1 /* 2 * Copyright (C) 2011 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.ex.chips; 18 19 import android.app.Dialog; 20 import android.content.ClipData; 21 import android.content.ClipDescription; 22 import android.content.ClipboardManager; 23 import android.content.Context; 24 import android.content.DialogInterface; 25 import android.content.DialogInterface.OnDismissListener; 26 import android.content.res.Resources; 27 import android.content.res.TypedArray; 28 import android.graphics.Bitmap; 29 import android.graphics.BitmapFactory; 30 import android.graphics.Canvas; 31 import android.graphics.Matrix; 32 import android.graphics.Point; 33 import android.graphics.Rect; 34 import android.graphics.RectF; 35 import android.graphics.drawable.BitmapDrawable; 36 import android.graphics.drawable.Drawable; 37 import android.os.AsyncTask; 38 import android.os.Handler; 39 import android.os.Message; 40 import android.os.Parcelable; 41 import android.text.Editable; 42 import android.text.InputType; 43 import android.text.Layout; 44 import android.text.Spannable; 45 import android.text.SpannableString; 46 import android.text.SpannableStringBuilder; 47 import android.text.Spanned; 48 import android.text.TextPaint; 49 import android.text.TextUtils; 50 import android.text.TextWatcher; 51 import android.text.method.QwertyKeyListener; 52 import android.text.style.ImageSpan; 53 import android.text.util.Rfc822Token; 54 import android.text.util.Rfc822Tokenizer; 55 import android.util.AttributeSet; 56 import android.util.Log; 57 import android.util.Patterns; 58 import android.view.ActionMode; 59 import android.view.ActionMode.Callback; 60 import android.view.DragEvent; 61 import android.view.GestureDetector; 62 import android.view.KeyEvent; 63 import android.view.LayoutInflater; 64 import android.view.Menu; 65 import android.view.MenuItem; 66 import android.view.MotionEvent; 67 import android.view.View; 68 import android.view.View.OnClickListener; 69 import android.view.ViewParent; 70 import android.view.inputmethod.EditorInfo; 71 import android.view.inputmethod.InputConnection; 72 import android.widget.AdapterView; 73 import android.widget.AdapterView.OnItemClickListener; 74 import android.widget.Button; 75 import android.widget.ListAdapter; 76 import android.widget.ListPopupWindow; 77 import android.widget.ListView; 78 import android.widget.MultiAutoCompleteTextView; 79 import android.widget.ScrollView; 80 import android.widget.TextView; 81 82 import java.util.ArrayList; 83 import java.util.Arrays; 84 import java.util.Collection; 85 import java.util.Collections; 86 import java.util.Comparator; 87 import java.util.HashMap; 88 import java.util.HashSet; 89 import java.util.Set; 90 import java.util.regex.Matcher; 91 92 /** 93 * RecipientEditTextView is an auto complete text view for use with applications 94 * that use the new Chips UI for addressing a message to recipients. 95 */ 96 public class RecipientEditTextView extends MultiAutoCompleteTextView implements 97 OnItemClickListener, Callback, RecipientAlternatesAdapter.OnCheckedItemChangedListener, 98 GestureDetector.OnGestureListener, OnDismissListener, OnClickListener, 99 TextView.OnEditorActionListener { 100 101 private static final char COMMIT_CHAR_COMMA = ','; 102 103 private static final char COMMIT_CHAR_SEMICOLON = ';'; 104 105 private static final char COMMIT_CHAR_SPACE = ' '; 106 107 private static final String TAG = "RecipientEditTextView"; 108 109 private static int DISMISS = "dismiss".hashCode(); 110 111 private static final long DISMISS_DELAY = 300; 112 113 // TODO: get correct number/ algorithm from with UX. 114 // Visible for testing. 115 /*package*/ static final int CHIP_LIMIT = 2; 116 117 private static final int MAX_CHIPS_PARSED = 50; 118 119 private static int sSelectedTextColor = -1; 120 121 // Resources for displaying chips. 122 private Drawable mChipBackground = null; 123 124 private Drawable mChipDelete = null; 125 126 private Drawable mInvalidChipBackground; 127 128 private Drawable mChipBackgroundPressed; 129 130 private float mChipHeight; 131 132 private float mChipFontSize; 133 134 private float mLineSpacingExtra; 135 136 private int mChipPadding; 137 138 private Tokenizer mTokenizer; 139 140 private Validator mValidator; 141 142 private RecipientChip mSelectedChip; 143 144 private int mAlternatesLayout; 145 146 private Bitmap mDefaultContactPhoto; 147 148 private ImageSpan mMoreChip; 149 150 private TextView mMoreItem; 151 152 private final ArrayList<String> mPendingChips = new ArrayList<String>(); 153 154 private Handler mHandler; 155 156 private int mPendingChipsCount = 0; 157 158 private boolean mNoChips = false; 159 160 private ListPopupWindow mAlternatesPopup; 161 162 private ListPopupWindow mAddressPopup; 163 164 private ArrayList<RecipientChip> mTemporaryRecipients; 165 166 private ArrayList<RecipientChip> mRemovedSpans; 167 168 private boolean mShouldShrink = true; 169 170 // Chip copy fields. 171 private GestureDetector mGestureDetector; 172 173 private Dialog mCopyDialog; 174 175 private String mCopyAddress; 176 177 /** 178 * Used with {@link #mAlternatesPopup}. Handles clicks to alternate addresses for a 179 * selected chip. 180 */ 181 private OnItemClickListener mAlternatesListener; 182 183 private int mCheckedItem; 184 185 private TextWatcher mTextWatcher; 186 187 // Obtain the enclosing scroll view, if it exists, so that the view can be 188 // scrolled to show the last line of chips content. 189 private ScrollView mScrollView; 190 191 private boolean mTriedGettingScrollView; 192 193 private boolean mDragEnabled = false; 194 195 private final Runnable mAddTextWatcher = new Runnable() { 196 @Override 197 public void run() { 198 if (mTextWatcher == null) { 199 mTextWatcher = new RecipientTextWatcher(); 200 addTextChangedListener(mTextWatcher); 201 } 202 } 203 }; 204 205 private IndividualReplacementTask mIndividualReplacements; 206 207 private Runnable mHandlePendingChips = new Runnable() { 208 209 @Override 210 public void run() { 211 handlePendingChips(); 212 } 213 214 }; 215 216 private Runnable mDelayedShrink = new Runnable() { 217 218 @Override 219 public void run() { 220 shrink(); 221 } 222 223 }; 224 225 public RecipientEditTextView(Context context, AttributeSet attrs) { 226 super(context, attrs); 227 setChipDimensions(context, attrs); 228 if (sSelectedTextColor == -1) { 229 sSelectedTextColor = context.getResources().getColor(android.R.color.white); 230 } 231 mAlternatesPopup = new ListPopupWindow(context); 232 mAddressPopup = new ListPopupWindow(context); 233 mCopyDialog = new Dialog(context); 234 mAlternatesListener = new OnItemClickListener() { 235 @Override 236 public void onItemClick(AdapterView<?> adapterView,View view, int position, 237 long rowId) { 238 mAlternatesPopup.setOnItemClickListener(null); 239 replaceChip(mSelectedChip, ((RecipientAlternatesAdapter) adapterView.getAdapter()) 240 .getRecipientEntry(position)); 241 Message delayed = Message.obtain(mHandler, DISMISS); 242 delayed.obj = mAlternatesPopup; 243 mHandler.sendMessageDelayed(delayed, DISMISS_DELAY); 244 clearComposingText(); 245 } 246 }; 247 setInputType(getInputType() | InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS); 248 setOnItemClickListener(this); 249 setCustomSelectionActionModeCallback(this); 250 mHandler = new Handler() { 251 @Override 252 public void handleMessage(Message msg) { 253 if (msg.what == DISMISS) { 254 ((ListPopupWindow) msg.obj).dismiss(); 255 return; 256 } 257 super.handleMessage(msg); 258 } 259 }; 260 mTextWatcher = new RecipientTextWatcher(); 261 addTextChangedListener(mTextWatcher); 262 mGestureDetector = new GestureDetector(context, this); 263 setOnEditorActionListener(this); 264 } 265 266 @Override 267 public boolean onEditorAction(TextView view, int action, KeyEvent keyEvent) { 268 if (action == EditorInfo.IME_ACTION_DONE) { 269 if (commitDefault()) { 270 return true; 271 } 272 if (mSelectedChip != null) { 273 clearSelectedChip(); 274 return true; 275 } else if (focusNext()) { 276 return true; 277 } 278 } 279 return false; 280 } 281 282 @Override 283 public InputConnection onCreateInputConnection(EditorInfo outAttrs) { 284 InputConnection connection = super.onCreateInputConnection(outAttrs); 285 int imeActions = outAttrs.imeOptions&EditorInfo.IME_MASK_ACTION; 286 if ((imeActions&EditorInfo.IME_ACTION_DONE) != 0) { 287 // clear the existing action 288 outAttrs.imeOptions ^= imeActions; 289 // set the DONE action 290 outAttrs.imeOptions |= EditorInfo.IME_ACTION_DONE; 291 } 292 if ((outAttrs.imeOptions&EditorInfo.IME_FLAG_NO_ENTER_ACTION) != 0) { 293 outAttrs.imeOptions &= ~EditorInfo.IME_FLAG_NO_ENTER_ACTION; 294 } 295 outAttrs.actionLabel = getContext().getString(R.string.done); 296 return connection; 297 } 298 299 /*package*/ RecipientChip getLastChip() { 300 RecipientChip last = null; 301 RecipientChip[] chips = getSortedRecipients(); 302 if (chips != null && chips.length > 0) { 303 last = chips[chips.length - 1]; 304 } 305 return last; 306 } 307 308 @Override 309 public void onSelectionChanged(int start, int end) { 310 // When selection changes, see if it is inside the chips area. 311 // If so, move the cursor back after the chips again. 312 RecipientChip last = getLastChip(); 313 if (last != null && start < getSpannable().getSpanEnd(last)) { 314 // Grab the last chip and set the cursor to after it. 315 setSelection(Math.min(getSpannable().getSpanEnd(last) + 1, getText().length())); 316 } 317 super.onSelectionChanged(start, end); 318 } 319 320 @Override 321 public void onRestoreInstanceState(Parcelable state) { 322 if (!TextUtils.isEmpty(getText())) { 323 super.onRestoreInstanceState(null); 324 } else { 325 super.onRestoreInstanceState(state); 326 } 327 } 328 329 @Override 330 public Parcelable onSaveInstanceState() { 331 // If the user changes orientation while they are editing, just roll back the selection. 332 clearSelectedChip(); 333 return super.onSaveInstanceState(); 334 } 335 336 /** 337 * Convenience method: Append the specified text slice to the TextView's 338 * display buffer, upgrading it to BufferType.EDITABLE if it was 339 * not already editable. Commas are excluded as they are added automatically 340 * by the view. 341 */ 342 @Override 343 public void append(CharSequence text, int start, int end) { 344 // We don't care about watching text changes while appending. 345 if (mTextWatcher != null) { 346 removeTextChangedListener(mTextWatcher); 347 } 348 super.append(text, start, end); 349 if (!TextUtils.isEmpty(text) && TextUtils.getTrimmedLength(text) > 0) { 350 final String displayString = text.toString(); 351 int seperatorPos = displayString.indexOf(COMMIT_CHAR_COMMA); 352 if (seperatorPos != 0 && !TextUtils.isEmpty(displayString) 353 && TextUtils.getTrimmedLength(displayString) > 0) { 354 mPendingChipsCount++; 355 mPendingChips.add(text.toString()); 356 } 357 } 358 // Put a message on the queue to make sure we ALWAYS handle pending chips. 359 if (mPendingChipsCount > 0) { 360 postHandlePendingChips(); 361 } 362 mHandler.post(mAddTextWatcher); 363 } 364 365 @Override 366 public void onFocusChanged(boolean hasFocus, int direction, Rect previous) { 367 super.onFocusChanged(hasFocus, direction, previous); 368 if (!hasFocus) { 369 shrink(); 370 } else { 371 expand(); 372 } 373 } 374 375 @Override 376 public void performValidation() { 377 // Do nothing. Chips handles its own validation. 378 } 379 380 private void shrink() { 381 if (mTokenizer == null) { 382 return; 383 } 384 if (mSelectedChip != null 385 && mSelectedChip.getEntry().getContactId() != RecipientEntry.INVALID_CONTACT) { 386 clearSelectedChip(); 387 } else { 388 if (getWidth() <= 0) { 389 // We don't have the width yet which means the view hasn't been drawn yet 390 // and there is no reason to attempt to commit chips yet. 391 // This focus lost must be the result of an orientation change 392 // or an initial rendering. 393 // Re-post the shrink for later. 394 mHandler.removeCallbacks(mDelayedShrink); 395 mHandler.post(mDelayedShrink); 396 return; 397 } 398 // Reset any pending chips as they would have been handled 399 // when the field lost focus. 400 if (mPendingChipsCount > 0) { 401 postHandlePendingChips(); 402 } else { 403 Editable editable = getText(); 404 int end = getSelectionEnd(); 405 int start = mTokenizer.findTokenStart(editable, end); 406 RecipientChip[] chips = getSpannable().getSpans(start, end, RecipientChip.class); 407 if ((chips == null || chips.length == 0)) { 408 Editable text = getText(); 409 int whatEnd = mTokenizer.findTokenEnd(text, start); 410 // This token was already tokenized, so skip past the ending token. 411 if (whatEnd < text.length() && text.charAt(whatEnd) == ',') { 412 whatEnd++; 413 } 414 // In the middle of chip; treat this as an edit 415 // and commit the whole token. 416 int selEnd = getSelectionEnd(); 417 if (whatEnd != selEnd) { 418 handleEdit(start, whatEnd); 419 } else { 420 commitChip(start, end, editable); 421 } 422 } 423 } 424 mHandler.post(mAddTextWatcher); 425 } 426 createMoreChip(); 427 } 428 429 private void expand() { 430 removeMoreChip(); 431 setCursorVisible(true); 432 Editable text = getText(); 433 setSelection(text != null && text.length() > 0 ? text.length() : 0); 434 // If there are any temporary chips, try replacing them now that the user 435 // has expanded the field. 436 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0) { 437 new RecipientReplacementTask().execute(); 438 mTemporaryRecipients = null; 439 } 440 } 441 442 private CharSequence ellipsizeText(CharSequence text, TextPaint paint, float maxWidth) { 443 paint.setTextSize(mChipFontSize); 444 if (maxWidth <= 0 && Log.isLoggable(TAG, Log.DEBUG)) { 445 Log.d(TAG, "Max width is negative: " + maxWidth); 446 } 447 return TextUtils.ellipsize(text, paint, maxWidth, 448 TextUtils.TruncateAt.END); 449 } 450 451 private Bitmap createSelectedChip(RecipientEntry contact, TextPaint paint, Layout layout) { 452 // Ellipsize the text so that it takes AT MOST the entire width of the 453 // autocomplete text entry area. Make sure to leave space for padding 454 // on the sides. 455 int height = (int) mChipHeight; 456 int deleteWidth = height; 457 float[] widths = new float[1]; 458 paint.getTextWidths(" ", widths); 459 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 460 calculateAvailableWidth(true) - deleteWidth - widths[0]); 461 462 // Make sure there is a minimum chip width so the user can ALWAYS 463 // tap a chip without difficulty. 464 int width = Math.max(deleteWidth * 2, (int) Math.floor(paint.measureText(ellipsizedText, 0, 465 ellipsizedText.length())) 466 + (mChipPadding * 2) + deleteWidth); 467 468 // Create the background of the chip. 469 Bitmap tmpBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 470 Canvas canvas = new Canvas(tmpBitmap); 471 if (mChipBackgroundPressed != null) { 472 mChipBackgroundPressed.setBounds(0, 0, width, height); 473 mChipBackgroundPressed.draw(canvas); 474 paint.setColor(sSelectedTextColor); 475 // Vertically center the text in the chip. 476 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), mChipPadding, 477 getTextYOffset((String) ellipsizedText, paint, height), paint); 478 // Make the delete a square. 479 Rect backgroundPadding = new Rect(); 480 mChipBackgroundPressed.getPadding(backgroundPadding); 481 mChipDelete.setBounds(width - deleteWidth + backgroundPadding.left, 482 0 + backgroundPadding.top, 483 width - backgroundPadding.right, 484 height - backgroundPadding.bottom); 485 mChipDelete.draw(canvas); 486 } else { 487 Log.w(TAG, "Unable to draw a background for the chips as it was never set"); 488 } 489 return tmpBitmap; 490 } 491 492 493 private Bitmap createUnselectedChip(RecipientEntry contact, TextPaint paint, Layout layout) { 494 // Ellipsize the text so that it takes AT MOST the entire width of the 495 // autocomplete text entry area. Make sure to leave space for padding 496 // on the sides. 497 int height = (int) mChipHeight; 498 int iconWidth = height; 499 float[] widths = new float[1]; 500 paint.getTextWidths(" ", widths); 501 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 502 calculateAvailableWidth(false) - iconWidth - widths[0]); 503 // Make sure there is a minimum chip width so the user can ALWAYS 504 // tap a chip without difficulty. 505 int width = Math.max(iconWidth * 2, (int) Math.floor(paint.measureText(ellipsizedText, 0, 506 ellipsizedText.length())) 507 + (mChipPadding * 2) + iconWidth); 508 509 // Create the background of the chip. 510 Bitmap tmpBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 511 Canvas canvas = new Canvas(tmpBitmap); 512 Drawable background = getChipBackground(contact); 513 if (background != null) { 514 background.setBounds(0, 0, width, height); 515 background.draw(canvas); 516 517 // Don't draw photos for recipients that have been typed in. 518 if (contact.getContactId() != RecipientEntry.INVALID_CONTACT) { 519 byte[] photoBytes = contact.getPhotoBytes(); 520 // There may not be a photo yet if anything but the first contact address 521 // was selected. 522 if (photoBytes == null && contact.getPhotoThumbnailUri() != null) { 523 // TODO: cache this in the recipient entry? 524 ((BaseRecipientAdapter) getAdapter()).fetchPhoto(contact, contact 525 .getPhotoThumbnailUri()); 526 photoBytes = contact.getPhotoBytes(); 527 } 528 529 Bitmap photo; 530 if (photoBytes != null) { 531 photo = BitmapFactory.decodeByteArray(photoBytes, 0, photoBytes.length); 532 } else { 533 // TODO: can the scaled down default photo be cached? 534 photo = mDefaultContactPhoto; 535 } 536 // Draw the photo on the left side. 537 if (photo != null) { 538 RectF src = new RectF(0, 0, photo.getWidth(), photo.getHeight()); 539 Rect backgroundPadding = new Rect(); 540 mChipBackground.getPadding(backgroundPadding); 541 RectF dst = new RectF(width - iconWidth + backgroundPadding.left, 542 0 + backgroundPadding.top, 543 width - backgroundPadding.right, 544 height - backgroundPadding.bottom); 545 Matrix matrix = new Matrix(); 546 matrix.setRectToRect(src, dst, Matrix.ScaleToFit.FILL); 547 canvas.drawBitmap(photo, matrix, paint); 548 } 549 } else { 550 // Don't leave any space for the icon. It isn't being drawn. 551 iconWidth = 0; 552 } 553 paint.setColor(getContext().getResources().getColor(android.R.color.black)); 554 // Vertically center the text in the chip. 555 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), mChipPadding, 556 getTextYOffset((String)ellipsizedText, paint, height), paint); 557 } else { 558 Log.w(TAG, "Unable to draw a background for the chips as it was never set"); 559 } 560 return tmpBitmap; 561 } 562 563 /** 564 * Get the background drawable for a RecipientChip. 565 */ 566 // Visible for testing. 567 /*package*/ Drawable getChipBackground(RecipientEntry contact) { 568 return (mValidator != null && mValidator.isValid(contact.getDestination())) ? 569 mChipBackground : mInvalidChipBackground; 570 } 571 572 private float getTextYOffset(String text, TextPaint paint, int height) { 573 Rect bounds = new Rect(); 574 paint.getTextBounds(text, 0, text.length(), bounds); 575 int textHeight = bounds.bottom - bounds.top ; 576 return height - ((height - textHeight) / 2) - (int)paint.descent(); 577 } 578 579 private RecipientChip constructChipSpan(RecipientEntry contact, int offset, boolean pressed) 580 throws NullPointerException { 581 if (mChipBackground == null) { 582 throw new NullPointerException( 583 "Unable to render any chips as setChipDimensions was not called."); 584 } 585 Layout layout = getLayout(); 586 587 TextPaint paint = getPaint(); 588 float defaultSize = paint.getTextSize(); 589 int defaultColor = paint.getColor(); 590 591 Bitmap tmpBitmap; 592 if (pressed) { 593 tmpBitmap = createSelectedChip(contact, paint, layout); 594 595 } else { 596 tmpBitmap = createUnselectedChip(contact, paint, layout); 597 } 598 599 // Pass the full text, un-ellipsized, to the chip. 600 Drawable result = new BitmapDrawable(getResources(), tmpBitmap); 601 result.setBounds(0, 0, tmpBitmap.getWidth(), tmpBitmap.getHeight()); 602 RecipientChip recipientChip = new RecipientChip(result, contact, offset); 603 // Return text to the original size. 604 paint.setTextSize(defaultSize); 605 paint.setColor(defaultColor); 606 return recipientChip; 607 } 608 609 /** 610 * Calculate the bottom of the line the chip will be located on using: 611 * 1) which line the chip appears on 612 * 2) the height of a chip 613 * 3) padding built into the edit text view 614 */ 615 private int calculateOffsetFromBottom(int line) { 616 // Line offsets start at zero. 617 int actualLine = getLineCount() - (line + 1); 618 return -((actualLine * ((int) mChipHeight) + getPaddingBottom()) + getPaddingTop()) 619 + getDropDownVerticalOffset(); 620 } 621 622 /** 623 * Get the max amount of space a chip can take up. The formula takes into 624 * account the width of the EditTextView, any view padding, and padding 625 * that will be added to the chip. 626 */ 627 private float calculateAvailableWidth(boolean pressed) { 628 return getWidth() - getPaddingLeft() - getPaddingRight() - (mChipPadding * 2); 629 } 630 631 632 private void setChipDimensions(Context context, AttributeSet attrs) { 633 TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.RecipientEditTextView, 0, 634 0); 635 Resources r = getContext().getResources(); 636 mChipBackground = a.getDrawable(R.styleable.RecipientEditTextView_chipBackground); 637 if (mChipBackground == null) { 638 mChipBackground = r.getDrawable(R.drawable.chip_background); 639 } 640 mChipBackgroundPressed = a 641 .getDrawable(R.styleable.RecipientEditTextView_chipBackgroundPressed); 642 if (mChipBackgroundPressed == null) { 643 mChipBackgroundPressed = r.getDrawable(R.drawable.chip_background_selected); 644 } 645 mChipDelete = a.getDrawable(R.styleable.RecipientEditTextView_chipDelete); 646 if (mChipDelete == null) { 647 mChipDelete = r.getDrawable(R.drawable.chip_delete); 648 } 649 mChipPadding = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipPadding, -1); 650 if (mChipPadding == -1) { 651 mChipPadding = (int) r.getDimension(R.dimen.chip_padding); 652 } 653 mAlternatesLayout = a.getResourceId(R.styleable.RecipientEditTextView_chipAlternatesLayout, 654 -1); 655 if (mAlternatesLayout == -1) { 656 mAlternatesLayout = R.layout.chips_alternate_item; 657 } 658 659 mDefaultContactPhoto = BitmapFactory.decodeResource(r, R.drawable.ic_contact_picture); 660 661 mMoreItem = (TextView) LayoutInflater.from(getContext()).inflate(R.layout.more_item, null); 662 663 mChipHeight = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipHeight, -1); 664 if (mChipHeight == -1) { 665 mChipHeight = r.getDimension(R.dimen.chip_height); 666 } 667 mChipFontSize = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipFontSize, -1); 668 if (mChipFontSize == -1) { 669 mChipFontSize = r.getDimension(R.dimen.chip_text_size); 670 } 671 mInvalidChipBackground = a 672 .getDrawable(R.styleable.RecipientEditTextView_invalidChipBackground); 673 if (mInvalidChipBackground == null) { 674 mInvalidChipBackground = r.getDrawable(R.drawable.chip_background_invalid); 675 } 676 mLineSpacingExtra = context.getResources().getDimension(R.dimen.line_spacing_extra); 677 a.recycle(); 678 } 679 680 // Visible for testing. 681 /* package */ void setMoreItem(TextView moreItem) { 682 mMoreItem = moreItem; 683 } 684 685 686 // Visible for testing. 687 /* package */ void setChipBackground(Drawable chipBackground) { 688 mChipBackground = chipBackground; 689 } 690 691 // Visible for testing. 692 /* package */ void setChipHeight(int height) { 693 mChipHeight = height; 694 } 695 696 /** 697 * Set whether to shrink the recipients field such that at most 698 * one line of recipients chips are shown when the field loses 699 * focus. By default, the number of displayed recipients will be 700 * limited and a "more" chip will be shown when focus is lost. 701 * @param shrink 702 */ 703 public void setOnFocusListShrinkRecipients(boolean shrink) { 704 mShouldShrink = shrink; 705 } 706 707 @Override 708 public void onSizeChanged(int width, int height, int oldw, int oldh) { 709 super.onSizeChanged(width, height, oldw, oldh); 710 if (width != 0 && height != 0) { 711 if (mPendingChipsCount > 0) { 712 postHandlePendingChips(); 713 } else { 714 checkChipWidths(); 715 } 716 } 717 // Try to find the scroll view parent, if it exists. 718 if (mScrollView == null && !mTriedGettingScrollView) { 719 ViewParent parent = getParent(); 720 while (parent != null && !(parent instanceof ScrollView)) { 721 parent = parent.getParent(); 722 } 723 if (parent != null) { 724 mScrollView = (ScrollView) parent; 725 } 726 mTriedGettingScrollView = true; 727 } 728 } 729 730 private void postHandlePendingChips() { 731 mHandler.removeCallbacks(mHandlePendingChips); 732 mHandler.post(mHandlePendingChips); 733 } 734 735 private void checkChipWidths() { 736 // Check the widths of the associated chips. 737 RecipientChip[] chips = getSortedRecipients(); 738 if (chips != null) { 739 Rect bounds; 740 for (RecipientChip chip : chips) { 741 bounds = chip.getDrawable().getBounds(); 742 if (getWidth() > 0 && bounds.right - bounds.left > getWidth()) { 743 // Need to redraw that chip. 744 replaceChip(chip, chip.getEntry()); 745 } 746 } 747 } 748 } 749 750 // Visible for testing. 751 /*package*/ void handlePendingChips() { 752 if (getViewWidth() <= 0) { 753 // The widget has not been sized yet. 754 // This will be called as a result of onSizeChanged 755 // at a later point. 756 return; 757 } 758 if (mPendingChipsCount <= 0) { 759 return; 760 } 761 762 synchronized (mPendingChips) { 763 Editable editable = getText(); 764 // Tokenize! 765 if (mPendingChipsCount <= MAX_CHIPS_PARSED) { 766 for (int i = 0; i < mPendingChips.size(); i++) { 767 String current = mPendingChips.get(i); 768 int tokenStart = editable.toString().indexOf(current); 769 int tokenEnd = tokenStart + current.length(); 770 if (tokenStart >= 0) { 771 // When we have a valid token, include it with the token 772 // to the left. 773 if (tokenEnd < editable.length() - 2 774 && editable.charAt(tokenEnd) == COMMIT_CHAR_COMMA) { 775 tokenEnd++; 776 } 777 createReplacementChip(tokenStart, tokenEnd, editable); 778 } 779 mPendingChipsCount--; 780 } 781 sanitizeEnd(); 782 } else { 783 mNoChips = true; 784 } 785 786 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0 787 && mTemporaryRecipients.size() <= RecipientAlternatesAdapter.MAX_LOOKUPS) { 788 if (hasFocus() || mTemporaryRecipients.size() < CHIP_LIMIT) { 789 new RecipientReplacementTask().execute(); 790 mTemporaryRecipients = null; 791 } else { 792 // Create the "more" chip 793 mIndividualReplacements = new IndividualReplacementTask(); 794 mIndividualReplacements.execute(new ArrayList<RecipientChip>( 795 mTemporaryRecipients.subList(0, CHIP_LIMIT))); 796 797 createMoreChip(); 798 } 799 } else { 800 // There are too many recipients to look up, so just fall back 801 // to showing addresses for all of them. 802 mTemporaryRecipients = null; 803 createMoreChip(); 804 } 805 mPendingChipsCount = 0; 806 mPendingChips.clear(); 807 } 808 } 809 810 // Visible for testing. 811 /*package*/ int getViewWidth() { 812 return getWidth(); 813 } 814 815 /** 816 * Remove any characters after the last valid chip. 817 */ 818 // Visible for testing. 819 /*package*/ void sanitizeEnd() { 820 // Don't sanitize while we are waiting for pending chips to complete. 821 if (mPendingChipsCount > 0) { 822 return; 823 } 824 // Find the last chip; eliminate any commit characters after it. 825 RecipientChip[] chips = getSortedRecipients(); 826 if (chips != null && chips.length > 0) { 827 int end; 828 ImageSpan lastSpan; 829 mMoreChip = getMoreChip(); 830 if (mMoreChip != null) { 831 lastSpan = mMoreChip; 832 } else { 833 lastSpan = getLastChip(); 834 } 835 end = getSpannable().getSpanEnd(lastSpan); 836 Editable editable = getText(); 837 int length = editable.length(); 838 if (length > end) { 839 // See what characters occur after that and eliminate them. 840 if (Log.isLoggable(TAG, Log.DEBUG)) { 841 Log.d(TAG, "There were extra characters after the last tokenizable entry." 842 + editable); 843 } 844 editable.delete(end + 1, length); 845 } 846 } 847 } 848 849 /** 850 * Create a chip that represents just the email address of a recipient. At some later 851 * point, this chip will be attached to a real contact entry, if one exists. 852 */ 853 private void createReplacementChip(int tokenStart, int tokenEnd, Editable editable) { 854 if (alreadyHasChip(tokenStart, tokenEnd)) { 855 // There is already a chip present at this location. 856 // Don't recreate it. 857 return; 858 } 859 String token = editable.toString().substring(tokenStart, tokenEnd); 860 int commitCharIndex = token.trim().lastIndexOf(COMMIT_CHAR_COMMA); 861 if (commitCharIndex == token.length() - 1) { 862 token = token.substring(0, token.length() - 1); 863 } 864 RecipientEntry entry = createTokenizedEntry(token); 865 if (entry != null) { 866 String destText = createAddressText(entry); 867 // Always leave a blank space at the end of a chip. 868 int textLength = destText.length() - 1; 869 SpannableString chipText = new SpannableString(destText); 870 int end = getSelectionEnd(); 871 int start = mTokenizer != null ? mTokenizer.findTokenStart(getText(), end) : 0; 872 RecipientChip chip = null; 873 try { 874 if (!mNoChips) { 875 chip = constructChipSpan(entry, start, false); 876 chipText.setSpan(chip, 0, textLength, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 877 } 878 } catch (NullPointerException e) { 879 Log.e(TAG, e.getMessage(), e); 880 } 881 editable.replace(tokenStart, tokenEnd, chipText); 882 // Add this chip to the list of entries "to replace" 883 if (chip != null) { 884 if (mTemporaryRecipients == null) { 885 mTemporaryRecipients = new ArrayList<RecipientChip>(); 886 } 887 chip.setOriginalText(chipText.toString()); 888 mTemporaryRecipients.add(chip); 889 } 890 } 891 } 892 893 private static boolean isPhoneNumber(String number) { 894 // TODO: replace this function with libphonenumber's isPossibleNumber (see 895 // PhoneNumberUtil). One complication is that it requires the sender's region which 896 // comes from the CurrentCountryIso. For now, let's just do this simple match. 897 if (TextUtils.isEmpty(number)) { 898 return false; 899 } 900 901 Matcher match = Patterns.PHONE.matcher(number); 902 return match.matches(); 903 } 904 905 private RecipientEntry createTokenizedEntry(String token) { 906 if (TextUtils.isEmpty(token)) { 907 return null; 908 } 909 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(token); 910 String display = null; 911 if (isPhoneQuery()) { 912 // The number often arrives as "(800) 123-1231, ". 913 // Trim the space and trailing comma if necessary. 914 token = token.trim(); 915 char charAt = token.charAt(token.length() - 1); 916 if (charAt == COMMIT_CHAR_COMMA || charAt == COMMIT_CHAR_SEMICOLON) { 917 token = token.substring(0, token.length() - 1); 918 } 919 920 // look for something that looks like a phone number. At this point, the original 921 // token might have looked like this: "Fred Flinstone <(800) 425-2323>" 922 if (!isPhoneNumber(token) && isValid(token) && tokens != null && tokens.length > 0) { 923 for (int i = 0; i < tokens.length; i++) { 924 // If we can get a phone number from tokenizing, then generate an entry from 925 // this. 926 display = tokens[i].getName(); 927 if (!TextUtils.isEmpty(display) && isPhoneNumber(display)) { 928 return RecipientEntry.constructGeneratedEntry(display, display); 929 } else { 930 display = tokens[i].getAddress(); 931 if (!TextUtils.isEmpty(display) && isPhoneNumber(display)) { 932 return RecipientEntry.constructFakeEntry(display); 933 } 934 } 935 } 936 } 937 // If the original token is a phone number to start with or as a last resort, use the 938 // original token. 939 return RecipientEntry.constructFakeEntry(token); 940 } 941 if (isValid(token) && tokens != null && tokens.length > 0) { 942 // If we can get a name from tokenizing, then generate an entry from 943 // this. 944 display = tokens[0].getName(); 945 if (!TextUtils.isEmpty(display)) { 946 return RecipientEntry.constructGeneratedEntry(display, token); 947 } else { 948 display = tokens[0].getAddress(); 949 if (!TextUtils.isEmpty(display)) { 950 return RecipientEntry.constructFakeEntry(display); 951 } 952 } 953 } 954 // Unable to validate the token or to create a valid token from it. 955 // Just create a chip the user can edit. 956 String validatedToken = null; 957 if (mValidator != null && !mValidator.isValid(token)) { 958 // Try fixing up the entry using the validator. 959 validatedToken = mValidator.fixText(token).toString(); 960 if (!TextUtils.isEmpty(validatedToken)) { 961 if (validatedToken.contains(token)) { 962 // protect against the case of a validator with a null domain, 963 // which doesn't add a domain to the token 964 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(validatedToken); 965 if (tokenized.length > 0) { 966 validatedToken = tokenized[0].getAddress(); 967 } 968 } else { 969 // We ran into a case where the token was invalid and removed 970 // by the validator. In this case, just use the original token 971 // and let the user sort out the error chip. 972 validatedToken = null; 973 } 974 } 975 } 976 // Otherwise, fallback to just creating an editable email address chip. 977 return RecipientEntry 978 .constructFakeEntry(!TextUtils.isEmpty(validatedToken) ? validatedToken : token); 979 } 980 981 private boolean isValid(String text) { 982 return mValidator == null ? true : mValidator.isValid(text); 983 } 984 985 private String tokenizeAddress(String destination) { 986 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(destination); 987 if (tokens != null && tokens.length > 0) { 988 return tokens[0].getAddress(); 989 } 990 return destination; 991 } 992 993 @Override 994 public void setTokenizer(Tokenizer tokenizer) { 995 mTokenizer = tokenizer; 996 super.setTokenizer(mTokenizer); 997 } 998 999 @Override 1000 public void setValidator(Validator validator) { 1001 mValidator = validator; 1002 super.setValidator(validator); 1003 } 1004 1005 /** 1006 * We cannot use the default mechanism for replaceText. Instead, 1007 * we override onItemClickListener so we can get all the associated 1008 * contact information including display text, address, and id. 1009 */ 1010 @Override 1011 protected void replaceText(CharSequence text) { 1012 return; 1013 } 1014 1015 /** 1016 * Dismiss any selected chips when the back key is pressed. 1017 */ 1018 @Override 1019 public boolean onKeyPreIme(int keyCode, KeyEvent event) { 1020 if (keyCode == KeyEvent.KEYCODE_BACK && mSelectedChip != null) { 1021 clearSelectedChip(); 1022 return true; 1023 } 1024 return super.onKeyPreIme(keyCode, event); 1025 } 1026 1027 /** 1028 * Monitor key presses in this view to see if the user types 1029 * any commit keys, which consist of ENTER, TAB, or DPAD_CENTER. 1030 * If the user has entered text that has contact matches and types 1031 * a commit key, create a chip from the topmost matching contact. 1032 * If the user has entered text that has no contact matches and types 1033 * a commit key, then create a chip from the text they have entered. 1034 */ 1035 @Override 1036 public boolean onKeyUp(int keyCode, KeyEvent event) { 1037 switch (keyCode) { 1038 case KeyEvent.KEYCODE_ENTER: 1039 case KeyEvent.KEYCODE_DPAD_CENTER: 1040 if (event.hasNoModifiers()) { 1041 if (commitDefault()) { 1042 return true; 1043 } 1044 if (mSelectedChip != null) { 1045 clearSelectedChip(); 1046 return true; 1047 } else if (focusNext()) { 1048 return true; 1049 } 1050 } 1051 break; 1052 case KeyEvent.KEYCODE_TAB: 1053 if (event.hasNoModifiers()) { 1054 if (mSelectedChip != null) { 1055 clearSelectedChip(); 1056 } else { 1057 commitDefault(); 1058 } 1059 if (focusNext()) { 1060 return true; 1061 } 1062 } 1063 break; 1064 } 1065 return super.onKeyUp(keyCode, event); 1066 } 1067 1068 private boolean focusNext() { 1069 View next = focusSearch(View.FOCUS_DOWN); 1070 if (next != null) { 1071 next.requestFocus(); 1072 return true; 1073 } 1074 return false; 1075 } 1076 1077 /** 1078 * Create a chip from the default selection. If the popup is showing, the 1079 * default is the first item in the popup suggestions list. Otherwise, it is 1080 * whatever the user had typed in. End represents where the the tokenizer 1081 * should search for a token to turn into a chip. 1082 * @return If a chip was created from a real contact. 1083 */ 1084 private boolean commitDefault() { 1085 // If there is no tokenizer, don't try to commit. 1086 if (mTokenizer == null) { 1087 return false; 1088 } 1089 Editable editable = getText(); 1090 int end = getSelectionEnd(); 1091 int start = mTokenizer.findTokenStart(editable, end); 1092 1093 if (shouldCreateChip(start, end)) { 1094 int whatEnd = mTokenizer.findTokenEnd(getText(), start); 1095 // In the middle of chip; treat this as an edit 1096 // and commit the whole token. 1097 if (whatEnd != getSelectionEnd()) { 1098 handleEdit(start, whatEnd); 1099 return true; 1100 } 1101 return commitChip(start, end , editable); 1102 } 1103 return false; 1104 } 1105 1106 private void commitByCharacter() { 1107 // We can't possibly commit by character if we can't tokenize. 1108 if (mTokenizer == null) { 1109 return; 1110 } 1111 Editable editable = getText(); 1112 int end = getSelectionEnd(); 1113 int start = mTokenizer.findTokenStart(editable, end); 1114 if (shouldCreateChip(start, end)) { 1115 commitChip(start, end, editable); 1116 } 1117 setSelection(getText().length()); 1118 } 1119 1120 private boolean commitChip(int start, int end, Editable editable) { 1121 ListAdapter adapter = getAdapter(); 1122 if (adapter != null && adapter.getCount() > 0 && enoughToFilter() 1123 && end == getSelectionEnd() && !isPhoneQuery()) { 1124 // choose the first entry. 1125 submitItemAtPosition(0); 1126 dismissDropDown(); 1127 return true; 1128 } else { 1129 int tokenEnd = mTokenizer.findTokenEnd(editable, start); 1130 if (editable.length() > tokenEnd + 1) { 1131 char charAt = editable.charAt(tokenEnd + 1); 1132 if (charAt == COMMIT_CHAR_COMMA || charAt == COMMIT_CHAR_SEMICOLON) { 1133 tokenEnd++; 1134 } 1135 } 1136 String text = editable.toString().substring(start, tokenEnd).trim(); 1137 clearComposingText(); 1138 if (text != null && text.length() > 0 && !text.equals(" ")) { 1139 RecipientEntry entry = createTokenizedEntry(text); 1140 if (entry != null) { 1141 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1142 CharSequence chipText = createChip(entry, false); 1143 if (chipText != null && start > -1 && end > -1) { 1144 editable.replace(start, end, chipText); 1145 } 1146 } 1147 // Only dismiss the dropdown if it is related to the text we 1148 // just committed. 1149 // For paste, it may not be as there are possibly multiple 1150 // tokens being added. 1151 if (end == getSelectionEnd()) { 1152 dismissDropDown(); 1153 } 1154 sanitizeBetween(); 1155 return true; 1156 } 1157 } 1158 return false; 1159 } 1160 1161 // Visible for testing. 1162 /* package */ void sanitizeBetween() { 1163 // Don't sanitize while we are waiting for content to chipify. 1164 if (mPendingChipsCount > 0) { 1165 return; 1166 } 1167 // Find the last chip. 1168 RecipientChip[] recips = getSortedRecipients(); 1169 if (recips != null && recips.length > 0) { 1170 RecipientChip last = recips[recips.length - 1]; 1171 RecipientChip beforeLast = null; 1172 if (recips.length > 1) { 1173 beforeLast = recips[recips.length - 2]; 1174 } 1175 int startLooking = 0; 1176 int end = getSpannable().getSpanStart(last); 1177 if (beforeLast != null) { 1178 startLooking = getSpannable().getSpanEnd(beforeLast); 1179 Editable text = getText(); 1180 if (startLooking == -1 || startLooking > text.length() - 1) { 1181 // There is nothing after this chip. 1182 return; 1183 } 1184 if (text.charAt(startLooking) == ' ') { 1185 startLooking++; 1186 } 1187 } 1188 if (startLooking >= 0 && end >= 0 && startLooking < end) { 1189 getText().delete(startLooking, end); 1190 } 1191 } 1192 } 1193 1194 private boolean shouldCreateChip(int start, int end) { 1195 return !mNoChips && hasFocus() && enoughToFilter() && !alreadyHasChip(start, end); 1196 } 1197 1198 private boolean alreadyHasChip(int start, int end) { 1199 if (mNoChips) { 1200 return true; 1201 } 1202 RecipientChip[] chips = getSpannable().getSpans(start, end, RecipientChip.class); 1203 if ((chips == null || chips.length == 0)) { 1204 return false; 1205 } 1206 return true; 1207 } 1208 1209 private void handleEdit(int start, int end) { 1210 if (start == -1 || end == -1) { 1211 // This chip no longer exists in the field. 1212 dismissDropDown(); 1213 return; 1214 } 1215 // This is in the middle of a chip, so select out the whole chip 1216 // and commit it. 1217 Editable editable = getText(); 1218 setSelection(end); 1219 String text = getText().toString().substring(start, end); 1220 if (!TextUtils.isEmpty(text)) { 1221 RecipientEntry entry = RecipientEntry.constructFakeEntry(text); 1222 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1223 CharSequence chipText = createChip(entry, false); 1224 int selEnd = getSelectionEnd(); 1225 if (chipText != null && start > -1 && selEnd > -1) { 1226 editable.replace(start, selEnd, chipText); 1227 } 1228 } 1229 dismissDropDown(); 1230 } 1231 1232 /** 1233 * If there is a selected chip, delegate the key events 1234 * to the selected chip. 1235 */ 1236 @Override 1237 public boolean onKeyDown(int keyCode, KeyEvent event) { 1238 if (mSelectedChip != null && keyCode == KeyEvent.KEYCODE_DEL) { 1239 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1240 mAlternatesPopup.dismiss(); 1241 } 1242 removeChip(mSelectedChip); 1243 } 1244 1245 if (keyCode == KeyEvent.KEYCODE_ENTER && event.hasNoModifiers()) { 1246 return true; 1247 } 1248 1249 return super.onKeyDown(keyCode, event); 1250 } 1251 1252 // Visible for testing. 1253 /* package */ Spannable getSpannable() { 1254 return getText(); 1255 } 1256 1257 private int getChipStart(RecipientChip chip) { 1258 return getSpannable().getSpanStart(chip); 1259 } 1260 1261 private int getChipEnd(RecipientChip chip) { 1262 return getSpannable().getSpanEnd(chip); 1263 } 1264 1265 /** 1266 * Instead of filtering on the entire contents of the edit box, 1267 * this subclass method filters on the range from 1268 * {@link Tokenizer#findTokenStart} to {@link #getSelectionEnd} 1269 * if the length of that range meets or exceeds {@link #getThreshold} 1270 * and makes sure that the range is not already a Chip. 1271 */ 1272 @Override 1273 protected void performFiltering(CharSequence text, int keyCode) { 1274 if (enoughToFilter() && !isCompletedToken(text)) { 1275 int end = getSelectionEnd(); 1276 int start = mTokenizer.findTokenStart(text, end); 1277 // If this is a RecipientChip, don't filter 1278 // on its contents. 1279 Spannable span = getSpannable(); 1280 RecipientChip[] chips = span.getSpans(start, end, RecipientChip.class); 1281 if (chips != null && chips.length > 0) { 1282 return; 1283 } 1284 } 1285 super.performFiltering(text, keyCode); 1286 } 1287 1288 // Visible for testing. 1289 /*package*/ boolean isCompletedToken(CharSequence text) { 1290 if (TextUtils.isEmpty(text)) { 1291 return false; 1292 } 1293 // Check to see if this is a completed token before filtering. 1294 int end = text.length(); 1295 int start = mTokenizer.findTokenStart(text, end); 1296 String token = text.toString().substring(start, end).trim(); 1297 if (!TextUtils.isEmpty(token)) { 1298 char atEnd = token.charAt(token.length() - 1); 1299 return atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON; 1300 } 1301 return false; 1302 } 1303 1304 private void clearSelectedChip() { 1305 if (mSelectedChip != null) { 1306 unselectChip(mSelectedChip); 1307 mSelectedChip = null; 1308 } 1309 setCursorVisible(true); 1310 } 1311 1312 /** 1313 * Monitor touch events in the RecipientEditTextView. 1314 * If the view does not have focus, any tap on the view 1315 * will just focus the view. If the view has focus, determine 1316 * if the touch target is a recipient chip. If it is and the chip 1317 * is not selected, select it and clear any other selected chips. 1318 * If it isn't, then select that chip. 1319 */ 1320 @Override 1321 public boolean onTouchEvent(MotionEvent event) { 1322 if (!isFocused()) { 1323 // Ignore any chip taps until this view is focused. 1324 return super.onTouchEvent(event); 1325 } 1326 boolean handled = super.onTouchEvent(event); 1327 int action = event.getAction(); 1328 boolean chipWasSelected = false; 1329 if (mSelectedChip == null) { 1330 mGestureDetector.onTouchEvent(event); 1331 } 1332 if (mCopyAddress == null && action == MotionEvent.ACTION_UP) { 1333 float x = event.getX(); 1334 float y = event.getY(); 1335 int offset = putOffsetInRange(getOffsetForPosition(x, y)); 1336 RecipientChip currentChip = findChip(offset); 1337 if (currentChip != null) { 1338 if (action == MotionEvent.ACTION_UP) { 1339 if (mSelectedChip != null && mSelectedChip != currentChip) { 1340 clearSelectedChip(); 1341 mSelectedChip = selectChip(currentChip); 1342 } else if (mSelectedChip == null) { 1343 setSelection(getText().length()); 1344 commitDefault(); 1345 mSelectedChip = selectChip(currentChip); 1346 } else { 1347 onClick(mSelectedChip, offset, x, y); 1348 } 1349 } 1350 chipWasSelected = true; 1351 handled = true; 1352 } else if (mSelectedChip != null 1353 && mSelectedChip.getContactId() == RecipientEntry.INVALID_CONTACT) { 1354 chipWasSelected = true; 1355 } 1356 } 1357 if (action == MotionEvent.ACTION_UP && !chipWasSelected) { 1358 clearSelectedChip(); 1359 } 1360 return handled; 1361 } 1362 1363 private void scrollLineIntoView(int line) { 1364 if (mScrollView != null) { 1365 mScrollView.scrollBy(0, calculateOffsetFromBottom(line)); 1366 } 1367 } 1368 1369 private void showAlternates(RecipientChip currentChip, ListPopupWindow alternatesPopup, 1370 int width, Context context) { 1371 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1372 int bottom; 1373 if (line == getLineCount() -1) { 1374 bottom = 0; 1375 } else { 1376 bottom = -(int) ((mChipHeight + (2 * mLineSpacingExtra)) * (Math.abs(getLineCount() - 1 1377 - line))); 1378 } 1379 // Align the alternates popup with the left side of the View, 1380 // regardless of the position of the chip tapped. 1381 alternatesPopup.setWidth(width); 1382 alternatesPopup.setAnchorView(this); 1383 alternatesPopup.setVerticalOffset(bottom); 1384 alternatesPopup.setAdapter(createAlternatesAdapter(currentChip)); 1385 alternatesPopup.setOnItemClickListener(mAlternatesListener); 1386 // Clear the checked item. 1387 mCheckedItem = -1; 1388 alternatesPopup.show(); 1389 ListView listView = alternatesPopup.getListView(); 1390 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1391 // Checked item would be -1 if the adapter has not 1392 // loaded the view that should be checked yet. The 1393 // variable will be set correctly when onCheckedItemChanged 1394 // is called in a separate thread. 1395 if (mCheckedItem != -1) { 1396 listView.setItemChecked(mCheckedItem, true); 1397 mCheckedItem = -1; 1398 } 1399 } 1400 1401 private ListAdapter createAlternatesAdapter(RecipientChip chip) { 1402 return new RecipientAlternatesAdapter(getContext(), chip.getContactId(), chip.getDataId(), 1403 mAlternatesLayout, ((BaseRecipientAdapter)getAdapter()).getQueryType(), this); 1404 } 1405 1406 private ListAdapter createSingleAddressAdapter(RecipientChip currentChip) { 1407 return new SingleRecipientArrayAdapter(getContext(), mAlternatesLayout, currentChip 1408 .getEntry()); 1409 } 1410 1411 @Override 1412 public void onCheckedItemChanged(int position) { 1413 ListView listView = mAlternatesPopup.getListView(); 1414 if (listView != null && listView.getCheckedItemCount() == 0) { 1415 listView.setItemChecked(position, true); 1416 } 1417 mCheckedItem = position; 1418 } 1419 1420 // TODO: This algorithm will need a lot of tweaking after more people have used 1421 // the chips ui. This attempts to be "forgiving" to fat finger touches by favoring 1422 // what comes before the finger. 1423 private int putOffsetInRange(int o) { 1424 int offset = o; 1425 Editable text = getText(); 1426 int length = text.length(); 1427 // Remove whitespace from end to find "real end" 1428 int realLength = length; 1429 for (int i = length - 1; i >= 0; i--) { 1430 if (text.charAt(i) == ' ') { 1431 realLength--; 1432 } else { 1433 break; 1434 } 1435 } 1436 1437 // If the offset is beyond or at the end of the text, 1438 // leave it alone. 1439 if (offset >= realLength) { 1440 return offset; 1441 } 1442 Editable editable = getText(); 1443 while (offset >= 0 && findText(editable, offset) == -1 && findChip(offset) == null) { 1444 // Keep walking backward! 1445 offset--; 1446 } 1447 return offset; 1448 } 1449 1450 private int findText(Editable text, int offset) { 1451 if (text.charAt(offset) != ' ') { 1452 return offset; 1453 } 1454 return -1; 1455 } 1456 1457 private RecipientChip findChip(int offset) { 1458 RecipientChip[] chips = getSpannable().getSpans(0, getText().length(), RecipientChip.class); 1459 // Find the chip that contains this offset. 1460 for (int i = 0; i < chips.length; i++) { 1461 RecipientChip chip = chips[i]; 1462 int start = getChipStart(chip); 1463 int end = getChipEnd(chip); 1464 if (offset >= start && offset <= end) { 1465 return chip; 1466 } 1467 } 1468 return null; 1469 } 1470 1471 // Visible for testing. 1472 // Use this method to generate text to add to the list of addresses. 1473 /* package */String createAddressText(RecipientEntry entry) { 1474 String display = entry.getDisplayName(); 1475 String address = entry.getDestination(); 1476 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1477 display = null; 1478 } 1479 String trimmedDisplayText; 1480 if (isPhoneQuery() && isPhoneNumber(address)) { 1481 trimmedDisplayText = address.trim(); 1482 } else { 1483 if (address != null) { 1484 // Tokenize out the address in case the address already 1485 // contained the username as well. 1486 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1487 if (tokenized != null && tokenized.length > 0) { 1488 address = tokenized[0].getAddress(); 1489 } 1490 } 1491 Rfc822Token token = new Rfc822Token(display, address, null); 1492 trimmedDisplayText = token.toString().trim(); 1493 } 1494 int index = trimmedDisplayText.indexOf(","); 1495 return mTokenizer != null && !TextUtils.isEmpty(trimmedDisplayText) 1496 && index < trimmedDisplayText.length() - 1 ? (String) mTokenizer 1497 .terminateToken(trimmedDisplayText) : trimmedDisplayText; 1498 } 1499 1500 // Visible for testing. 1501 // Use this method to generate text to display in a chip. 1502 /*package*/ String createChipDisplayText(RecipientEntry entry) { 1503 String display = entry.getDisplayName(); 1504 String address = entry.getDestination(); 1505 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1506 display = null; 1507 } 1508 if (address != null && !(isPhoneQuery() && isPhoneNumber(address))) { 1509 // Tokenize out the address in case the address already 1510 // contained the username as well. 1511 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1512 if (tokenized != null && tokenized.length > 0) { 1513 address = tokenized[0].getAddress(); 1514 } 1515 } 1516 if (!TextUtils.isEmpty(display)) { 1517 return display; 1518 } else if (!TextUtils.isEmpty(address)){ 1519 return address; 1520 } else { 1521 return new Rfc822Token(display, address, null).toString(); 1522 } 1523 } 1524 1525 private CharSequence createChip(RecipientEntry entry, boolean pressed) { 1526 String displayText = createAddressText(entry); 1527 if (TextUtils.isEmpty(displayText)) { 1528 return null; 1529 } 1530 SpannableString chipText = null; 1531 // Always leave a blank space at the end of a chip. 1532 int end = getSelectionEnd(); 1533 int start = mTokenizer.findTokenStart(getText(), end); 1534 int textLength = displayText.length()-1; 1535 chipText = new SpannableString(displayText); 1536 if (!mNoChips) { 1537 try { 1538 RecipientChip chip = constructChipSpan(entry, start, pressed); 1539 chipText.setSpan(chip, 0, textLength, 1540 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1541 chip.setOriginalText(chipText.toString()); 1542 } catch (NullPointerException e) { 1543 Log.e(TAG, e.getMessage(), e); 1544 return null; 1545 } 1546 } 1547 return chipText; 1548 } 1549 1550 /** 1551 * When an item in the suggestions list has been clicked, create a chip from the 1552 * contact information of the selected item. 1553 */ 1554 @Override 1555 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1556 submitItemAtPosition(position); 1557 } 1558 1559 private void submitItemAtPosition(int position) { 1560 RecipientEntry entry = createValidatedEntry( 1561 (RecipientEntry)getAdapter().getItem(position)); 1562 if (entry == null) { 1563 return; 1564 } 1565 clearComposingText(); 1566 1567 int end = getSelectionEnd(); 1568 int start = mTokenizer.findTokenStart(getText(), end); 1569 1570 Editable editable = getText(); 1571 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1572 CharSequence chip = createChip(entry, false); 1573 if (chip != null && start >= 0 && end >= 0) { 1574 editable.replace(start, end, chip); 1575 } 1576 sanitizeBetween(); 1577 } 1578 1579 private RecipientEntry createValidatedEntry(RecipientEntry item) { 1580 if (item == null) { 1581 return null; 1582 } 1583 final RecipientEntry entry; 1584 // If the display name and the address are the same, or if this is a 1585 // valid contact, but the destination is invalid, then make this a fake 1586 // recipient that is editable. 1587 String destination = item.getDestination(); 1588 if (RecipientEntry.isCreatedRecipient(item.getContactId()) 1589 && (TextUtils.isEmpty(item.getDisplayName()) 1590 || TextUtils.equals(item.getDisplayName(), destination) 1591 || (mValidator != null && !mValidator.isValid(destination)))) { 1592 entry = RecipientEntry.constructFakeEntry(destination); 1593 } else { 1594 entry = item; 1595 } 1596 return entry; 1597 } 1598 1599 /** Returns a collection of contact Id for each chip inside this View. */ 1600 /* package */ Collection<Long> getContactIds() { 1601 final Set<Long> result = new HashSet<Long>(); 1602 RecipientChip[] chips = getSortedRecipients(); 1603 if (chips != null) { 1604 for (RecipientChip chip : chips) { 1605 result.add(chip.getContactId()); 1606 } 1607 } 1608 return result; 1609 } 1610 1611 1612 /** Returns a collection of data Id for each chip inside this View. May be null. */ 1613 /* package */ Collection<Long> getDataIds() { 1614 final Set<Long> result = new HashSet<Long>(); 1615 RecipientChip [] chips = getSortedRecipients(); 1616 if (chips != null) { 1617 for (RecipientChip chip : chips) { 1618 result.add(chip.getDataId()); 1619 } 1620 } 1621 return result; 1622 } 1623 1624 // Visible for testing. 1625 /* package */RecipientChip[] getSortedRecipients() { 1626 RecipientChip[] recips = getSpannable() 1627 .getSpans(0, getText().length(), RecipientChip.class); 1628 ArrayList<RecipientChip> recipientsList = new ArrayList<RecipientChip>(Arrays 1629 .asList(recips)); 1630 final Spannable spannable = getSpannable(); 1631 Collections.sort(recipientsList, new Comparator<RecipientChip>() { 1632 1633 @Override 1634 public int compare(RecipientChip first, RecipientChip second) { 1635 int firstStart = spannable.getSpanStart(first); 1636 int secondStart = spannable.getSpanStart(second); 1637 if (firstStart < secondStart) { 1638 return -1; 1639 } else if (firstStart > secondStart) { 1640 return 1; 1641 } else { 1642 return 0; 1643 } 1644 } 1645 }); 1646 return recipientsList.toArray(new RecipientChip[recipientsList.size()]); 1647 } 1648 1649 @Override 1650 public boolean onActionItemClicked(ActionMode mode, MenuItem item) { 1651 return false; 1652 } 1653 1654 @Override 1655 public void onDestroyActionMode(ActionMode mode) { 1656 } 1657 1658 @Override 1659 public boolean onPrepareActionMode(ActionMode mode, Menu menu) { 1660 return false; 1661 } 1662 1663 /** 1664 * No chips are selectable. 1665 */ 1666 @Override 1667 public boolean onCreateActionMode(ActionMode mode, Menu menu) { 1668 return false; 1669 } 1670 1671 // Visible for testing. 1672 /* package */ImageSpan getMoreChip() { 1673 MoreImageSpan[] moreSpans = getSpannable().getSpans(0, getText().length(), 1674 MoreImageSpan.class); 1675 return moreSpans != null && moreSpans.length > 0 ? moreSpans[0] : null; 1676 } 1677 1678 private MoreImageSpan createMoreSpan(int count) { 1679 String moreText = String.format(mMoreItem.getText().toString(), count); 1680 TextPaint morePaint = new TextPaint(getPaint()); 1681 morePaint.setTextSize(mMoreItem.getTextSize()); 1682 morePaint.setColor(mMoreItem.getCurrentTextColor()); 1683 int width = (int)morePaint.measureText(moreText) + mMoreItem.getPaddingLeft() 1684 + mMoreItem.getPaddingRight(); 1685 int height = getLineHeight(); 1686 Bitmap drawable = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 1687 Canvas canvas = new Canvas(drawable); 1688 int adjustedHeight = height; 1689 Layout layout = getLayout(); 1690 if (layout != null) { 1691 adjustedHeight -= layout.getLineDescent(0); 1692 } 1693 canvas.drawText(moreText, 0, moreText.length(), 0, adjustedHeight, morePaint); 1694 1695 Drawable result = new BitmapDrawable(getResources(), drawable); 1696 result.setBounds(0, 0, width, height); 1697 return new MoreImageSpan(result); 1698 } 1699 1700 // Visible for testing. 1701 /*package*/ void createMoreChipPlainText() { 1702 // Take the first <= CHIP_LIMIT addresses and get to the end of the second one. 1703 Editable text = getText(); 1704 int start = 0; 1705 int end = start; 1706 for (int i = 0; i < CHIP_LIMIT; i++) { 1707 end = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1708 start = end; // move to the next token and get its end. 1709 } 1710 // Now, count total addresses. 1711 start = 0; 1712 int tokenCount = countTokens(text); 1713 MoreImageSpan moreSpan = createMoreSpan(tokenCount - CHIP_LIMIT); 1714 SpannableString chipText = new SpannableString(text.subSequence(end, text.length())); 1715 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1716 text.replace(end, text.length(), chipText); 1717 mMoreChip = moreSpan; 1718 } 1719 1720 // Visible for testing. 1721 /* package */int countTokens(Editable text) { 1722 int tokenCount = 0; 1723 int start = 0; 1724 while (start < text.length()) { 1725 start = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1726 tokenCount++; 1727 if (start >= text.length()) { 1728 break; 1729 } 1730 } 1731 return tokenCount; 1732 } 1733 1734 /** 1735 * Create the more chip. The more chip is text that replaces any chips that 1736 * do not fit in the pre-defined available space when the 1737 * RecipientEditTextView loses focus. 1738 */ 1739 // Visible for testing. 1740 /* package */ void createMoreChip() { 1741 if (mNoChips) { 1742 createMoreChipPlainText(); 1743 return; 1744 } 1745 1746 if (!mShouldShrink) { 1747 return; 1748 } 1749 1750 ImageSpan[] tempMore = getSpannable().getSpans(0, getText().length(), MoreImageSpan.class); 1751 if (tempMore.length > 0) { 1752 getSpannable().removeSpan(tempMore[0]); 1753 } 1754 RecipientChip[] recipients = getSortedRecipients(); 1755 1756 if (recipients == null || recipients.length <= CHIP_LIMIT) { 1757 mMoreChip = null; 1758 return; 1759 } 1760 Spannable spannable = getSpannable(); 1761 int numRecipients = recipients.length; 1762 int overage = numRecipients - CHIP_LIMIT; 1763 MoreImageSpan moreSpan = createMoreSpan(overage); 1764 mRemovedSpans = new ArrayList<RecipientChip>(); 1765 int totalReplaceStart = 0; 1766 int totalReplaceEnd = 0; 1767 Editable text = getText(); 1768 for (int i = numRecipients - overage; i < recipients.length; i++) { 1769 mRemovedSpans.add(recipients[i]); 1770 if (i == numRecipients - overage) { 1771 totalReplaceStart = spannable.getSpanStart(recipients[i]); 1772 } 1773 if (i == recipients.length - 1) { 1774 totalReplaceEnd = spannable.getSpanEnd(recipients[i]); 1775 } 1776 if (mTemporaryRecipients == null || !mTemporaryRecipients.contains(recipients[i])) { 1777 int spanStart = spannable.getSpanStart(recipients[i]); 1778 int spanEnd = spannable.getSpanEnd(recipients[i]); 1779 recipients[i].setOriginalText(text.toString().substring(spanStart, spanEnd)); 1780 } 1781 spannable.removeSpan(recipients[i]); 1782 } 1783 if (totalReplaceEnd < text.length()) { 1784 totalReplaceEnd = text.length(); 1785 } 1786 int end = Math.max(totalReplaceStart, totalReplaceEnd); 1787 int start = Math.min(totalReplaceStart, totalReplaceEnd); 1788 SpannableString chipText = new SpannableString(text.subSequence(start, end)); 1789 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1790 text.replace(start, end, chipText); 1791 mMoreChip = moreSpan; 1792 } 1793 1794 /** 1795 * Replace the more chip, if it exists, with all of the recipient chips it had 1796 * replaced when the RecipientEditTextView gains focus. 1797 */ 1798 // Visible for testing. 1799 /*package*/ void removeMoreChip() { 1800 if (mMoreChip != null) { 1801 Spannable span = getSpannable(); 1802 span.removeSpan(mMoreChip); 1803 mMoreChip = null; 1804 // Re-add the spans that were removed. 1805 if (mRemovedSpans != null && mRemovedSpans.size() > 0) { 1806 // Recreate each removed span. 1807 RecipientChip[] recipients = getSortedRecipients(); 1808 // Start the search for tokens after the last currently visible 1809 // chip. 1810 if (recipients == null || recipients.length == 0) { 1811 return; 1812 } 1813 int end = span.getSpanEnd(recipients[recipients.length - 1]); 1814 Editable editable = getText(); 1815 for (RecipientChip chip : mRemovedSpans) { 1816 int chipStart; 1817 int chipEnd; 1818 String token; 1819 // Need to find the location of the chip, again. 1820 token = (String) chip.getOriginalText(); 1821 // As we find the matching recipient for the remove spans, 1822 // reduce the size of the string we need to search. 1823 // That way, if there are duplicates, we always find the correct 1824 // recipient. 1825 chipStart = editable.toString().indexOf(token, end); 1826 end = chipEnd = Math.min(editable.length(), chipStart + token.length()); 1827 // Only set the span if we found a matching token. 1828 if (chipStart != -1) { 1829 editable.setSpan(chip, chipStart, chipEnd, 1830 Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 1831 } 1832 } 1833 mRemovedSpans.clear(); 1834 } 1835 } 1836 } 1837 1838 /** 1839 * Show specified chip as selected. If the RecipientChip is just an email address, 1840 * selecting the chip will take the contents of the chip and place it at 1841 * the end of the RecipientEditTextView for inline editing. If the 1842 * RecipientChip is a complete contact, then selecting the chip 1843 * will change the background color of the chip, show the delete icon, 1844 * and a popup window with the address in use highlighted and any other 1845 * alternate addresses for the contact. 1846 * @param currentChip Chip to select. 1847 * @return A RecipientChip in the selected state or null if the chip 1848 * just contained an email address. 1849 */ 1850 private RecipientChip selectChip(RecipientChip currentChip) { 1851 if (currentChip.getContactId() == RecipientEntry.INVALID_CONTACT) { 1852 CharSequence text = currentChip.getValue(); 1853 Editable editable = getText(); 1854 removeChip(currentChip); 1855 editable.append(text); 1856 setCursorVisible(true); 1857 setSelection(editable.length()); 1858 return new RecipientChip(null, RecipientEntry.constructFakeEntry((String) text), -1); 1859 } else if (currentChip.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1860 int start = getChipStart(currentChip); 1861 int end = getChipEnd(currentChip); 1862 getSpannable().removeSpan(currentChip); 1863 RecipientChip newChip; 1864 try { 1865 if (mNoChips) { 1866 return null; 1867 } 1868 newChip = constructChipSpan(currentChip.getEntry(), start, true); 1869 } catch (NullPointerException e) { 1870 Log.e(TAG, e.getMessage(), e); 1871 return null; 1872 } 1873 Editable editable = getText(); 1874 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1875 if (start == -1 || end == -1) { 1876 Log.d(TAG, "The chip being selected no longer exists but should."); 1877 } else { 1878 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1879 } 1880 newChip.setSelected(true); 1881 if (newChip.getEntry().getContactId() == RecipientEntry.INVALID_CONTACT) { 1882 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 1883 } 1884 showAddress(newChip, mAddressPopup, getWidth(), getContext()); 1885 setCursorVisible(false); 1886 return newChip; 1887 } else { 1888 int start = getChipStart(currentChip); 1889 int end = getChipEnd(currentChip); 1890 getSpannable().removeSpan(currentChip); 1891 RecipientChip newChip; 1892 try { 1893 newChip = constructChipSpan(currentChip.getEntry(), start, true); 1894 } catch (NullPointerException e) { 1895 Log.e(TAG, e.getMessage(), e); 1896 return null; 1897 } 1898 Editable editable = getText(); 1899 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1900 if (start == -1 || end == -1) { 1901 Log.d(TAG, "The chip being selected no longer exists but should."); 1902 } else { 1903 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1904 } 1905 newChip.setSelected(true); 1906 if (newChip.getEntry().getContactId() == RecipientEntry.INVALID_CONTACT) { 1907 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 1908 } 1909 showAlternates(newChip, mAlternatesPopup, getWidth(), getContext()); 1910 setCursorVisible(false); 1911 return newChip; 1912 } 1913 } 1914 1915 1916 private void showAddress(final RecipientChip currentChip, final ListPopupWindow popup, 1917 int width, Context context) { 1918 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1919 int bottom = calculateOffsetFromBottom(line); 1920 // Align the alternates popup with the left side of the View, 1921 // regardless of the position of the chip tapped. 1922 popup.setWidth(width); 1923 popup.setAnchorView(this); 1924 popup.setVerticalOffset(bottom); 1925 popup.setAdapter(createSingleAddressAdapter(currentChip)); 1926 popup.setOnItemClickListener(new OnItemClickListener() { 1927 @Override 1928 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1929 unselectChip(currentChip); 1930 popup.dismiss(); 1931 } 1932 }); 1933 popup.show(); 1934 ListView listView = popup.getListView(); 1935 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1936 listView.setItemChecked(0, true); 1937 } 1938 1939 /** 1940 * Remove selection from this chip. Unselecting a RecipientChip will render 1941 * the chip without a delete icon and with an unfocused background. This is 1942 * called when the RecipientChip no longer has focus. 1943 */ 1944 private void unselectChip(RecipientChip chip) { 1945 int start = getChipStart(chip); 1946 int end = getChipEnd(chip); 1947 Editable editable = getText(); 1948 mSelectedChip = null; 1949 if (start == -1 || end == -1) { 1950 Log.w(TAG, "The chip doesn't exist or may be a chip a user was editing"); 1951 setSelection(editable.length()); 1952 commitDefault(); 1953 } else { 1954 getSpannable().removeSpan(chip); 1955 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1956 editable.removeSpan(chip); 1957 try { 1958 if (!mNoChips) { 1959 editable.setSpan(constructChipSpan(chip.getEntry(), start, false), start, end, 1960 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1961 } 1962 } catch (NullPointerException e) { 1963 Log.e(TAG, e.getMessage(), e); 1964 } 1965 } 1966 setCursorVisible(true); 1967 setSelection(editable.length()); 1968 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1969 mAlternatesPopup.dismiss(); 1970 } 1971 } 1972 1973 /** 1974 * Return whether a touch event was inside the delete target of 1975 * a selected chip. It is in the delete target if: 1976 * 1) the x and y points of the event are within the 1977 * delete assset. 1978 * 2) the point tapped would have caused a cursor to appear 1979 * right after the selected chip. 1980 * @return boolean 1981 */ 1982 private boolean isInDelete(RecipientChip chip, int offset, float x, float y) { 1983 // Figure out the bounds of this chip and whether or not 1984 // the user clicked in the X portion. 1985 return chip.isSelected() && offset == getChipEnd(chip); 1986 } 1987 1988 /** 1989 * Remove the chip and any text associated with it from the RecipientEditTextView. 1990 */ 1991 // Visible for testing. 1992 /*pacakge*/ void removeChip(RecipientChip chip) { 1993 Spannable spannable = getSpannable(); 1994 int spanStart = spannable.getSpanStart(chip); 1995 int spanEnd = spannable.getSpanEnd(chip); 1996 Editable text = getText(); 1997 int toDelete = spanEnd; 1998 boolean wasSelected = chip == mSelectedChip; 1999 // Clear that there is a selected chip before updating any text. 2000 if (wasSelected) { 2001 mSelectedChip = null; 2002 } 2003 // Always remove trailing spaces when removing a chip. 2004 while (toDelete >= 0 && toDelete < text.length() && text.charAt(toDelete) == ' ') { 2005 toDelete++; 2006 } 2007 spannable.removeSpan(chip); 2008 if (spanStart >= 0 && toDelete > 0) { 2009 text.delete(spanStart, toDelete); 2010 } 2011 if (wasSelected) { 2012 clearSelectedChip(); 2013 } 2014 } 2015 2016 /** 2017 * Replace this currently selected chip with a new chip 2018 * that uses the contact data provided. 2019 */ 2020 // Visible for testing. 2021 /*package*/ void replaceChip(RecipientChip chip, RecipientEntry entry) { 2022 boolean wasSelected = chip == mSelectedChip; 2023 if (wasSelected) { 2024 mSelectedChip = null; 2025 } 2026 int start = getChipStart(chip); 2027 int end = getChipEnd(chip); 2028 getSpannable().removeSpan(chip); 2029 Editable editable = getText(); 2030 CharSequence chipText = createChip(entry, false); 2031 if (chipText != null) { 2032 if (start == -1 || end == -1) { 2033 Log.e(TAG, "The chip to replace does not exist but should."); 2034 editable.insert(0, chipText); 2035 } else { 2036 if (!TextUtils.isEmpty(chipText)) { 2037 // There may be a space to replace with this chip's new 2038 // associated 2039 // space. Check for it 2040 int toReplace = end; 2041 while (toReplace >= 0 && toReplace < editable.length() 2042 && editable.charAt(toReplace) == ' ') { 2043 toReplace++; 2044 } 2045 editable.replace(start, toReplace, chipText); 2046 } 2047 } 2048 } 2049 setCursorVisible(true); 2050 if (wasSelected) { 2051 clearSelectedChip(); 2052 } 2053 } 2054 2055 /** 2056 * Handle click events for a chip. When a selected chip receives a click 2057 * event, see if that event was in the delete icon. If so, delete it. 2058 * Otherwise, unselect the chip. 2059 */ 2060 public void onClick(RecipientChip chip, int offset, float x, float y) { 2061 if (chip.isSelected()) { 2062 if (isInDelete(chip, offset, x, y)) { 2063 removeChip(chip); 2064 } else { 2065 clearSelectedChip(); 2066 } 2067 } 2068 } 2069 2070 private boolean chipsPending() { 2071 return mPendingChipsCount > 0 || (mRemovedSpans != null && mRemovedSpans.size() > 0); 2072 } 2073 2074 @Override 2075 public void removeTextChangedListener(TextWatcher watcher) { 2076 mTextWatcher = null; 2077 super.removeTextChangedListener(watcher); 2078 } 2079 2080 private class RecipientTextWatcher implements TextWatcher { 2081 2082 @Override 2083 public void afterTextChanged(Editable s) { 2084 // If the text has been set to null or empty, make sure we remove 2085 // all the spans we applied. 2086 if (TextUtils.isEmpty(s)) { 2087 // Remove all the chips spans. 2088 Spannable spannable = getSpannable(); 2089 RecipientChip[] chips = spannable.getSpans(0, getText().length(), 2090 RecipientChip.class); 2091 for (RecipientChip chip : chips) { 2092 spannable.removeSpan(chip); 2093 } 2094 if (mMoreChip != null) { 2095 spannable.removeSpan(mMoreChip); 2096 } 2097 return; 2098 } 2099 // Get whether there are any recipients pending addition to the 2100 // view. If there are, don't do anything in the text watcher. 2101 if (chipsPending()) { 2102 return; 2103 } 2104 // If the user is editing a chip, don't clear it. 2105 if (mSelectedChip != null 2106 && mSelectedChip.getContactId() != RecipientEntry.INVALID_CONTACT) { 2107 setCursorVisible(true); 2108 setSelection(getText().length()); 2109 clearSelectedChip(); 2110 } 2111 int length = s.length(); 2112 // Make sure there is content there to parse and that it is 2113 // not just the commit character. 2114 if (length > 1) { 2115 char last; 2116 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2117 int len = length() - 1; 2118 if (end != len) { 2119 last = s.charAt(end); 2120 } else { 2121 last = s.charAt(len); 2122 } 2123 if (last == COMMIT_CHAR_SEMICOLON || last == COMMIT_CHAR_COMMA) { 2124 commitByCharacter(); 2125 } else if (last == COMMIT_CHAR_SPACE) { 2126 if (!isPhoneQuery()) { 2127 // Check if this is a valid email address. If it is, 2128 // commit it. 2129 String text = getText().toString(); 2130 int tokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2131 String sub = text.substring(tokenStart, mTokenizer.findTokenEnd(text, 2132 tokenStart)); 2133 if (!TextUtils.isEmpty(sub) && mValidator != null && 2134 mValidator.isValid(sub)) { 2135 commitByCharacter(); 2136 } 2137 } 2138 } 2139 } 2140 } 2141 2142 @Override 2143 public void onTextChanged(CharSequence s, int start, int before, int count) { 2144 // This is a delete; check to see if the insertion point is on a space 2145 // following a chip. 2146 if (before > count) { 2147 // If the item deleted is a space, and the thing before the 2148 // space is a chip, delete the entire span. 2149 int selStart = getSelectionStart(); 2150 RecipientChip[] repl = getSpannable().getSpans(selStart, selStart, 2151 RecipientChip.class); 2152 if (repl.length > 0) { 2153 // There is a chip there! Just remove it. 2154 Editable editable = getText(); 2155 // Add the separator token. 2156 int tokenStart = mTokenizer.findTokenStart(editable, selStart); 2157 int tokenEnd = mTokenizer.findTokenEnd(editable, tokenStart); 2158 tokenEnd = tokenEnd + 1; 2159 if (tokenEnd > editable.length()) { 2160 tokenEnd = editable.length(); 2161 } 2162 editable.delete(tokenStart, tokenEnd); 2163 getSpannable().removeSpan(repl[0]); 2164 } 2165 } else if (count > before) { 2166 // Only scroll when the user is adding text, not clearing text. 2167 scrollBottomIntoView(); 2168 } 2169 } 2170 2171 @Override 2172 public void beforeTextChanged(CharSequence s, int start, int count, int after) { 2173 // Do nothing. 2174 } 2175 } 2176 2177 private void scrollBottomIntoView() { 2178 if (mScrollView != null) { 2179 mScrollView.scrollBy(0, (int)(getLineCount() * mChipHeight)); 2180 } 2181 } 2182 2183 /** 2184 * Handles pasting a {@link ClipData} to this {@link RecipientEditTextView}. 2185 */ 2186 private void handlePasteClip(ClipData clip) { 2187 removeTextChangedListener(mTextWatcher); 2188 2189 if (clip != null && clip.getDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN)){ 2190 for (int i = 0; i < clip.getItemCount(); i++) { 2191 CharSequence paste = clip.getItemAt(i).getText(); 2192 if (paste != null) { 2193 int start = getSelectionStart(); 2194 int end = getSelectionEnd(); 2195 Editable editable = getText(); 2196 if (start >= 0 && end >= 0 && start != end) { 2197 editable.append(paste, start, end); 2198 } else { 2199 editable.insert(end, paste); 2200 } 2201 handlePasteAndReplace(); 2202 } 2203 } 2204 } 2205 2206 mHandler.post(mAddTextWatcher); 2207 } 2208 2209 @Override 2210 public boolean onTextContextMenuItem(int id) { 2211 if (id == android.R.id.paste) { 2212 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2213 Context.CLIPBOARD_SERVICE); 2214 handlePasteClip(clipboard.getPrimaryClip()); 2215 return true; 2216 } 2217 return super.onTextContextMenuItem(id); 2218 } 2219 2220 private void handlePasteAndReplace() { 2221 ArrayList<RecipientChip> created = handlePaste(); 2222 if (created != null && created.size() > 0) { 2223 // Perform reverse lookups on the pasted contacts. 2224 IndividualReplacementTask replace = new IndividualReplacementTask(); 2225 replace.execute(created); 2226 } 2227 } 2228 2229 // Visible for testing. 2230 /* package */ArrayList<RecipientChip> handlePaste() { 2231 String text = getText().toString(); 2232 int originalTokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2233 String lastAddress = text.substring(originalTokenStart); 2234 int tokenStart = originalTokenStart; 2235 int prevTokenStart = tokenStart; 2236 RecipientChip findChip = null; 2237 ArrayList<RecipientChip> created = new ArrayList<RecipientChip>(); 2238 if (tokenStart != 0) { 2239 // There are things before this! 2240 while (tokenStart != 0 && findChip == null) { 2241 prevTokenStart = tokenStart; 2242 tokenStart = mTokenizer.findTokenStart(text, tokenStart); 2243 findChip = findChip(tokenStart); 2244 } 2245 if (tokenStart != originalTokenStart) { 2246 if (findChip != null) { 2247 tokenStart = prevTokenStart; 2248 } 2249 int tokenEnd; 2250 RecipientChip createdChip; 2251 while (tokenStart < originalTokenStart) { 2252 tokenEnd = movePastTerminators(mTokenizer.findTokenEnd(text, tokenStart)); 2253 commitChip(tokenStart, tokenEnd, getText()); 2254 createdChip = findChip(tokenStart); 2255 if (createdChip == null) { 2256 break; 2257 } 2258 // +1 for the space at the end. 2259 tokenStart = getSpannable().getSpanEnd(createdChip) + 1; 2260 created.add(createdChip); 2261 } 2262 } 2263 } 2264 // Take a look at the last token. If the token has been completed with a 2265 // commit character, create a chip. 2266 if (isCompletedToken(lastAddress)) { 2267 Editable editable = getText(); 2268 tokenStart = editable.toString().indexOf(lastAddress, originalTokenStart); 2269 commitChip(tokenStart, editable.length(), editable); 2270 created.add(findChip(tokenStart)); 2271 } 2272 return created; 2273 } 2274 2275 // Visible for testing. 2276 /* package */int movePastTerminators(int tokenEnd) { 2277 if (tokenEnd >= length()) { 2278 return tokenEnd; 2279 } 2280 char atEnd = getText().toString().charAt(tokenEnd); 2281 if (atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON) { 2282 tokenEnd++; 2283 } 2284 // This token had not only an end token character, but also a space 2285 // separating it from the next token. 2286 if (tokenEnd < length() && getText().toString().charAt(tokenEnd) == ' ') { 2287 tokenEnd++; 2288 } 2289 return tokenEnd; 2290 } 2291 2292 private class RecipientReplacementTask extends AsyncTask<Void, Void, Void> { 2293 private RecipientChip createFreeChip(RecipientEntry entry) { 2294 try { 2295 if (mNoChips) { 2296 return null; 2297 } 2298 return constructChipSpan(entry, -1, false); 2299 } catch (NullPointerException e) { 2300 Log.e(TAG, e.getMessage(), e); 2301 return null; 2302 } 2303 } 2304 2305 @Override 2306 protected Void doInBackground(Void... params) { 2307 if (mIndividualReplacements != null) { 2308 mIndividualReplacements.cancel(true); 2309 } 2310 // For each chip in the list, look up the matching contact. 2311 // If there is a match, replace that chip with the matching 2312 // chip. 2313 final ArrayList<RecipientChip> originalRecipients = new ArrayList<RecipientChip>(); 2314 RecipientChip[] existingChips = getSortedRecipients(); 2315 for (int i = 0; i < existingChips.length; i++) { 2316 originalRecipients.add(existingChips[i]); 2317 } 2318 if (mRemovedSpans != null) { 2319 originalRecipients.addAll(mRemovedSpans); 2320 } 2321 ArrayList<String> addresses = new ArrayList<String>(); 2322 RecipientChip chip; 2323 for (int i = 0; i < originalRecipients.size(); i++) { 2324 chip = originalRecipients.get(i); 2325 if (chip != null) { 2326 addresses.add(createAddressText(chip.getEntry())); 2327 } 2328 } 2329 HashMap<String, RecipientEntry> entries = RecipientAlternatesAdapter 2330 .getMatchingRecipients(getContext(), addresses); 2331 final ArrayList<RecipientChip> replacements = new ArrayList<RecipientChip>(); 2332 for (final RecipientChip temp : originalRecipients) { 2333 RecipientEntry entry = null; 2334 if (RecipientEntry.isCreatedRecipient(temp.getEntry().getContactId()) 2335 && getSpannable().getSpanStart(temp) != -1) { 2336 // Replace this. 2337 entry = createValidatedEntry(entries.get(tokenizeAddress(temp.getEntry() 2338 .getDestination()))); 2339 } 2340 if (entry != null) { 2341 replacements.add(createFreeChip(entry)); 2342 } else { 2343 replacements.add(temp); 2344 } 2345 } 2346 if (replacements != null && replacements.size() > 0) { 2347 mHandler.post(new Runnable() { 2348 @Override 2349 public void run() { 2350 SpannableStringBuilder text = new SpannableStringBuilder(getText() 2351 .toString()); 2352 Editable oldText = getText(); 2353 int start, end; 2354 int i = 0; 2355 for (RecipientChip chip : originalRecipients) { 2356 start = oldText.getSpanStart(chip); 2357 if (start != -1) { 2358 end = oldText.getSpanEnd(chip); 2359 oldText.removeSpan(chip); 2360 // Leave a spot for the space! 2361 RecipientChip replacement = replacements.get(i); 2362 text.setSpan(replacement, start, end, 2363 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2364 replacement.setOriginalText(text.toString().substring(start, end)); 2365 } 2366 i++; 2367 } 2368 originalRecipients.clear(); 2369 setText(text); 2370 } 2371 }); 2372 } 2373 return null; 2374 } 2375 } 2376 2377 private class IndividualReplacementTask extends AsyncTask<Object, Void, Void> { 2378 @SuppressWarnings("unchecked") 2379 @Override 2380 protected Void doInBackground(Object... params) { 2381 // For each chip in the list, look up the matching contact. 2382 // If there is a match, replace that chip with the matching 2383 // chip. 2384 final ArrayList<RecipientChip> originalRecipients = 2385 (ArrayList<RecipientChip>) params[0]; 2386 ArrayList<String> addresses = new ArrayList<String>(); 2387 RecipientChip chip; 2388 for (int i = 0; i < originalRecipients.size(); i++) { 2389 chip = originalRecipients.get(i); 2390 if (chip != null) { 2391 addresses.add(createAddressText(chip.getEntry())); 2392 } 2393 } 2394 HashMap<String, RecipientEntry> entries = RecipientAlternatesAdapter 2395 .getMatchingRecipients(getContext(), addresses); 2396 for (final RecipientChip temp : originalRecipients) { 2397 if (RecipientEntry.isCreatedRecipient(temp.getEntry().getContactId()) 2398 && getSpannable().getSpanStart(temp) != -1) { 2399 // Replace this. 2400 final RecipientEntry entry = createValidatedEntry(entries 2401 .get(tokenizeAddress(temp.getEntry().getDestination()).toLowerCase())); 2402 if (entry != null) { 2403 mHandler.post(new Runnable() { 2404 @Override 2405 public void run() { 2406 replaceChip(temp, entry); 2407 } 2408 }); 2409 } 2410 } 2411 } 2412 return null; 2413 } 2414 } 2415 2416 2417 /** 2418 * MoreImageSpan is a simple class created for tracking the existence of a 2419 * more chip across activity restarts/ 2420 */ 2421 private class MoreImageSpan extends ImageSpan { 2422 public MoreImageSpan(Drawable b) { 2423 super(b); 2424 } 2425 } 2426 2427 @Override 2428 public boolean onDown(MotionEvent e) { 2429 return false; 2430 } 2431 2432 @Override 2433 public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { 2434 // Do nothing. 2435 return false; 2436 } 2437 2438 @Override 2439 public void onLongPress(MotionEvent event) { 2440 if (mSelectedChip != null) { 2441 return; 2442 } 2443 float x = event.getX(); 2444 float y = event.getY(); 2445 int offset = putOffsetInRange(getOffsetForPosition(x, y)); 2446 RecipientChip currentChip = findChip(offset); 2447 if (currentChip != null) { 2448 if (mDragEnabled) { 2449 // Start drag-and-drop for the selected chip. 2450 startDrag(currentChip); 2451 } else { 2452 // Copy the selected chip email address. 2453 showCopyDialog(currentChip.getEntry().getDestination()); 2454 } 2455 } 2456 } 2457 2458 /** 2459 * Enables drag-and-drop for chips. 2460 */ 2461 public void enableDrag() { 2462 mDragEnabled = true; 2463 } 2464 2465 /** 2466 * Starts drag-and-drop for the selected chip. 2467 */ 2468 private void startDrag(RecipientChip currentChip) { 2469 String address = currentChip.getEntry().getDestination(); 2470 ClipData data = ClipData.newPlainText(address, address + COMMIT_CHAR_COMMA); 2471 2472 // Start drag mode. 2473 startDrag(data, new RecipientChipShadow(currentChip), null, 0); 2474 2475 // Remove the current chip, so drag-and-drop will result in a move. 2476 // TODO (phamm): consider readd this chip if it's dropped outside a target. 2477 removeChip(currentChip); 2478 } 2479 2480 /** 2481 * Handles drag event. 2482 */ 2483 @Override 2484 public boolean onDragEvent(DragEvent event) { 2485 switch (event.getAction()) { 2486 case DragEvent.ACTION_DRAG_STARTED: 2487 // Only handle plain text drag and drop. 2488 return event.getClipDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN); 2489 case DragEvent.ACTION_DRAG_ENTERED: 2490 requestFocus(); 2491 return true; 2492 case DragEvent.ACTION_DROP: 2493 handlePasteClip(event.getClipData()); 2494 return true; 2495 } 2496 return false; 2497 } 2498 2499 /** 2500 * Drag shadow for a {@link RecipientChip}. 2501 */ 2502 private final class RecipientChipShadow extends DragShadowBuilder { 2503 private final RecipientChip mChip; 2504 2505 public RecipientChipShadow(RecipientChip chip) { 2506 mChip = chip; 2507 } 2508 2509 @Override 2510 public void onProvideShadowMetrics(Point shadowSize, Point shadowTouchPoint) { 2511 Rect rect = mChip.getDrawable().getBounds(); 2512 shadowSize.set(rect.width(), rect.height()); 2513 shadowTouchPoint.set(rect.centerX(), rect.centerY()); 2514 } 2515 2516 @Override 2517 public void onDrawShadow(Canvas canvas) { 2518 mChip.getDrawable().draw(canvas); 2519 } 2520 } 2521 2522 private void showCopyDialog(final String address) { 2523 mCopyAddress = address; 2524 mCopyDialog.setTitle(address); 2525 mCopyDialog.setContentView(R.layout.copy_chip_dialog_layout); 2526 mCopyDialog.setCancelable(true); 2527 mCopyDialog.setCanceledOnTouchOutside(true); 2528 Button button = (Button)mCopyDialog.findViewById(android.R.id.button1); 2529 button.setOnClickListener(this); 2530 int btnTitleId; 2531 if (isPhoneQuery()) { 2532 btnTitleId = R.string.copy_number; 2533 } else { 2534 btnTitleId = R.string.copy_email; 2535 } 2536 String buttonTitle = getContext().getResources().getString(btnTitleId); 2537 button.setText(buttonTitle); 2538 mCopyDialog.setOnDismissListener(this); 2539 mCopyDialog.show(); 2540 } 2541 2542 @Override 2543 public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { 2544 // Do nothing. 2545 return false; 2546 } 2547 2548 @Override 2549 public void onShowPress(MotionEvent e) { 2550 // Do nothing. 2551 } 2552 2553 @Override 2554 public boolean onSingleTapUp(MotionEvent e) { 2555 // Do nothing. 2556 return false; 2557 } 2558 2559 @Override 2560 public void onDismiss(DialogInterface dialog) { 2561 mCopyAddress = null; 2562 } 2563 2564 @Override 2565 public void onClick(View v) { 2566 // Copy this to the clipboard. 2567 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2568 Context.CLIPBOARD_SERVICE); 2569 clipboard.setPrimaryClip(ClipData.newPlainText("", mCopyAddress)); 2570 mCopyDialog.dismiss(); 2571 } 2572 2573 protected boolean isPhoneQuery() { 2574 return ((BaseRecipientAdapter)getAdapter()).getQueryType() == 2575 BaseRecipientAdapter.QUERY_TYPE_PHONE; 2576 } 2577 } 2578