1 /* 2 * Copyright (C) 2010 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.gallery3d.ui; 18 19 import android.app.Activity; 20 import android.app.AlertDialog; 21 import android.app.ProgressDialog; 22 import android.content.Context; 23 import android.content.DialogInterface; 24 import android.content.DialogInterface.OnCancelListener; 25 import android.content.DialogInterface.OnClickListener; 26 import android.content.Intent; 27 import android.os.Handler; 28 import android.os.Message; 29 import android.support.v4.print.PrintHelper; 30 import android.view.Menu; 31 import android.view.MenuItem; 32 33 import com.android.gallery3d.R; 34 import com.android.gallery3d.app.AbstractGalleryActivity; 35 import com.android.gallery3d.common.Utils; 36 import com.android.gallery3d.data.DataManager; 37 import com.android.gallery3d.data.MediaItem; 38 import com.android.gallery3d.data.MediaObject; 39 import com.android.gallery3d.data.Path; 40 import com.android.gallery3d.filtershow.crop.CropActivity; 41 import com.android.gallery3d.util.Future; 42 import com.android.gallery3d.util.GalleryUtils; 43 import com.android.gallery3d.util.ThreadPool.Job; 44 import com.android.gallery3d.util.ThreadPool.JobContext; 45 46 import java.util.ArrayList; 47 48 public class MenuExecutor { 49 private static final String TAG = "MenuExecutor"; 50 51 private static final int MSG_TASK_COMPLETE = 1; 52 private static final int MSG_TASK_UPDATE = 2; 53 private static final int MSG_TASK_START = 3; 54 private static final int MSG_DO_SHARE = 4; 55 56 public static final int EXECUTION_RESULT_SUCCESS = 1; 57 public static final int EXECUTION_RESULT_FAIL = 2; 58 public static final int EXECUTION_RESULT_CANCEL = 3; 59 60 private ProgressDialog mDialog; 61 private Future<?> mTask; 62 // wait the operation to finish when we want to stop it. 63 private boolean mWaitOnStop; 64 private boolean mPaused; 65 66 private final AbstractGalleryActivity mActivity; 67 private final SelectionManager mSelectionManager; 68 private final Handler mHandler; 69 70 private static ProgressDialog createProgressDialog( 71 Context context, int titleId, int progressMax) { 72 ProgressDialog dialog = new ProgressDialog(context); 73 dialog.setTitle(titleId); 74 dialog.setMax(progressMax); 75 dialog.setCancelable(false); 76 dialog.setIndeterminate(false); 77 if (progressMax > 1) { 78 dialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL); 79 } 80 return dialog; 81 } 82 83 public interface ProgressListener { 84 public void onConfirmDialogShown(); 85 public void onConfirmDialogDismissed(boolean confirmed); 86 public void onProgressStart(); 87 public void onProgressUpdate(int index); 88 public void onProgressComplete(int result); 89 } 90 91 public MenuExecutor( 92 AbstractGalleryActivity activity, SelectionManager selectionManager) { 93 mActivity = Utils.checkNotNull(activity); 94 mSelectionManager = Utils.checkNotNull(selectionManager); 95 mHandler = new SynchronizedHandler(mActivity.getGLRoot()) { 96 @Override 97 public void handleMessage(Message message) { 98 switch (message.what) { 99 case MSG_TASK_START: { 100 if (message.obj != null) { 101 ProgressListener listener = (ProgressListener) message.obj; 102 listener.onProgressStart(); 103 } 104 break; 105 } 106 case MSG_TASK_COMPLETE: { 107 stopTaskAndDismissDialog(); 108 if (message.obj != null) { 109 ProgressListener listener = (ProgressListener) message.obj; 110 listener.onProgressComplete(message.arg1); 111 } 112 mSelectionManager.leaveSelectionMode(); 113 break; 114 } 115 case MSG_TASK_UPDATE: { 116 if (mDialog != null && !mPaused) mDialog.setProgress(message.arg1); 117 if (message.obj != null) { 118 ProgressListener listener = (ProgressListener) message.obj; 119 listener.onProgressUpdate(message.arg1); 120 } 121 break; 122 } 123 case MSG_DO_SHARE: { 124 ((Activity) mActivity).startActivity((Intent) message.obj); 125 break; 126 } 127 } 128 } 129 }; 130 } 131 132 private void stopTaskAndDismissDialog() { 133 if (mTask != null) { 134 if (!mWaitOnStop) mTask.cancel(); 135 if (mDialog != null && mDialog.isShowing()) mDialog.dismiss(); 136 mDialog = null; 137 mTask = null; 138 } 139 } 140 141 public void resume() { 142 mPaused = false; 143 if (mDialog != null) mDialog.show(); 144 } 145 146 public void pause() { 147 mPaused = true; 148 if (mDialog != null && mDialog.isShowing()) mDialog.hide(); 149 } 150 151 public void destroy() { 152 stopTaskAndDismissDialog(); 153 } 154 155 private void onProgressUpdate(int index, ProgressListener listener) { 156 mHandler.sendMessage( 157 mHandler.obtainMessage(MSG_TASK_UPDATE, index, 0, listener)); 158 } 159 160 private void onProgressStart(ProgressListener listener) { 161 mHandler.sendMessage(mHandler.obtainMessage(MSG_TASK_START, listener)); 162 } 163 164 private void onProgressComplete(int result, ProgressListener listener) { 165 mHandler.sendMessage(mHandler.obtainMessage(MSG_TASK_COMPLETE, result, 0, listener)); 166 } 167 168 public static void updateMenuOperation(Menu menu, int supported) { 169 boolean supportDelete = (supported & MediaObject.SUPPORT_DELETE) != 0; 170 boolean supportRotate = (supported & MediaObject.SUPPORT_ROTATE) != 0; 171 boolean supportCrop = (supported & MediaObject.SUPPORT_CROP) != 0; 172 boolean supportTrim = (supported & MediaObject.SUPPORT_TRIM) != 0; 173 boolean supportMute = (supported & MediaObject.SUPPORT_MUTE) != 0; 174 boolean supportShare = (supported & MediaObject.SUPPORT_SHARE) != 0; 175 boolean supportSetAs = (supported & MediaObject.SUPPORT_SETAS) != 0; 176 boolean supportShowOnMap = (supported & MediaObject.SUPPORT_SHOW_ON_MAP) != 0; 177 boolean supportCache = (supported & MediaObject.SUPPORT_CACHE) != 0; 178 boolean supportEdit = (supported & MediaObject.SUPPORT_EDIT) != 0; 179 boolean supportInfo = (supported & MediaObject.SUPPORT_INFO) != 0; 180 boolean supportPrint = (supported & MediaObject.SUPPORT_PRINT) != 0; 181 supportPrint &= PrintHelper.systemSupportsPrint(); 182 183 setMenuItemVisible(menu, R.id.action_delete, supportDelete); 184 setMenuItemVisible(menu, R.id.action_rotate_ccw, supportRotate); 185 setMenuItemVisible(menu, R.id.action_rotate_cw, supportRotate); 186 setMenuItemVisible(menu, R.id.action_crop, supportCrop); 187 setMenuItemVisible(menu, R.id.action_trim, supportTrim); 188 setMenuItemVisible(menu, R.id.action_mute, supportMute); 189 // Hide panorama until call to updateMenuForPanorama corrects it 190 setMenuItemVisible(menu, R.id.action_share_panorama, false); 191 setMenuItemVisible(menu, R.id.action_share, supportShare); 192 setMenuItemVisible(menu, R.id.action_setas, supportSetAs); 193 setMenuItemVisible(menu, R.id.action_show_on_map, supportShowOnMap); 194 setMenuItemVisible(menu, R.id.action_edit, supportEdit); 195 // setMenuItemVisible(menu, R.id.action_simple_edit, supportEdit); 196 setMenuItemVisible(menu, R.id.action_details, supportInfo); 197 setMenuItemVisible(menu, R.id.print, supportPrint); 198 } 199 200 public static void updateMenuForPanorama(Menu menu, boolean shareAsPanorama360, 201 boolean disablePanorama360Options) { 202 setMenuItemVisible(menu, R.id.action_share_panorama, shareAsPanorama360); 203 if (disablePanorama360Options) { 204 setMenuItemVisible(menu, R.id.action_rotate_ccw, false); 205 setMenuItemVisible(menu, R.id.action_rotate_cw, false); 206 } 207 } 208 209 private static void setMenuItemVisible(Menu menu, int itemId, boolean visible) { 210 MenuItem item = menu.findItem(itemId); 211 if (item != null) item.setVisible(visible); 212 } 213 214 private Path getSingleSelectedPath() { 215 ArrayList<Path> ids = mSelectionManager.getSelected(true); 216 Utils.assertTrue(ids.size() == 1); 217 return ids.get(0); 218 } 219 220 private Intent getIntentBySingleSelectedPath(String action) { 221 DataManager manager = mActivity.getDataManager(); 222 Path path = getSingleSelectedPath(); 223 String mimeType = getMimeType(manager.getMediaType(path)); 224 return new Intent(action).setDataAndType(manager.getContentUri(path), mimeType); 225 } 226 227 private void onMenuClicked(int action, ProgressListener listener) { 228 onMenuClicked(action, listener, false, true); 229 } 230 231 public void onMenuClicked(int action, ProgressListener listener, 232 boolean waitOnStop, boolean showDialog) { 233 int title; 234 switch (action) { 235 case R.id.action_select_all: 236 if (mSelectionManager.inSelectAllMode()) { 237 mSelectionManager.deSelectAll(); 238 } else { 239 mSelectionManager.selectAll(); 240 } 241 return; 242 case R.id.action_crop: { 243 Intent intent = getIntentBySingleSelectedPath(CropActivity.CROP_ACTION); 244 ((Activity) mActivity).startActivity(intent); 245 return; 246 } 247 case R.id.action_edit: { 248 Intent intent = getIntentBySingleSelectedPath(Intent.ACTION_EDIT) 249 .setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 250 ((Activity) mActivity).startActivity(Intent.createChooser(intent, null)); 251 return; 252 } 253 case R.id.action_setas: { 254 Intent intent = getIntentBySingleSelectedPath(Intent.ACTION_ATTACH_DATA) 255 .addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 256 intent.putExtra("mimeType", intent.getType()); 257 Activity activity = mActivity; 258 activity.startActivity(Intent.createChooser( 259 intent, activity.getString(R.string.set_as))); 260 return; 261 } 262 case R.id.action_delete: 263 title = R.string.delete; 264 break; 265 case R.id.action_rotate_cw: 266 title = R.string.rotate_right; 267 break; 268 case R.id.action_rotate_ccw: 269 title = R.string.rotate_left; 270 break; 271 case R.id.action_show_on_map: 272 title = R.string.show_on_map; 273 break; 274 default: 275 return; 276 } 277 startAction(action, title, listener, waitOnStop, showDialog); 278 } 279 280 private class ConfirmDialogListener implements OnClickListener, OnCancelListener { 281 private final int mActionId; 282 private final ProgressListener mListener; 283 284 public ConfirmDialogListener(int actionId, ProgressListener listener) { 285 mActionId = actionId; 286 mListener = listener; 287 } 288 289 @Override 290 public void onClick(DialogInterface dialog, int which) { 291 if (which == DialogInterface.BUTTON_POSITIVE) { 292 if (mListener != null) { 293 mListener.onConfirmDialogDismissed(true); 294 } 295 onMenuClicked(mActionId, mListener); 296 } else { 297 if (mListener != null) { 298 mListener.onConfirmDialogDismissed(false); 299 } 300 } 301 } 302 303 @Override 304 public void onCancel(DialogInterface dialog) { 305 if (mListener != null) { 306 mListener.onConfirmDialogDismissed(false); 307 } 308 } 309 } 310 311 public void onMenuClicked(MenuItem menuItem, String confirmMsg, 312 final ProgressListener listener) { 313 final int action = menuItem.getItemId(); 314 315 if (confirmMsg != null) { 316 if (listener != null) listener.onConfirmDialogShown(); 317 ConfirmDialogListener cdl = new ConfirmDialogListener(action, listener); 318 new AlertDialog.Builder(mActivity.getAndroidContext()) 319 .setMessage(confirmMsg) 320 .setOnCancelListener(cdl) 321 .setPositiveButton(R.string.ok, cdl) 322 .setNegativeButton(R.string.cancel, cdl) 323 .create().show(); 324 } else { 325 onMenuClicked(action, listener); 326 } 327 } 328 329 public void startAction(int action, int title, ProgressListener listener) { 330 startAction(action, title, listener, false, true); 331 } 332 333 public void startAction(int action, int title, ProgressListener listener, 334 boolean waitOnStop, boolean showDialog) { 335 ArrayList<Path> ids = mSelectionManager.getSelected(false); 336 stopTaskAndDismissDialog(); 337 338 Activity activity = mActivity; 339 if (showDialog) { 340 mDialog = createProgressDialog(activity, title, ids.size()); 341 mDialog.show(); 342 } else { 343 mDialog = null; 344 } 345 MediaOperation operation = new MediaOperation(action, ids, listener); 346 mTask = mActivity.getBatchServiceThreadPoolIfAvailable().submit(operation, null); 347 mWaitOnStop = waitOnStop; 348 } 349 350 public void startSingleItemAction(int action, Path targetPath) { 351 ArrayList<Path> ids = new ArrayList<Path>(1); 352 ids.add(targetPath); 353 mDialog = null; 354 MediaOperation operation = new MediaOperation(action, ids, null); 355 mTask = mActivity.getBatchServiceThreadPoolIfAvailable().submit(operation, null); 356 mWaitOnStop = false; 357 } 358 359 public static String getMimeType(int type) { 360 switch (type) { 361 case MediaObject.MEDIA_TYPE_IMAGE : 362 return GalleryUtils.MIME_TYPE_IMAGE; 363 case MediaObject.MEDIA_TYPE_VIDEO : 364 return GalleryUtils.MIME_TYPE_VIDEO; 365 default: return GalleryUtils.MIME_TYPE_ALL; 366 } 367 } 368 369 private boolean execute( 370 DataManager manager, JobContext jc, int cmd, Path path) { 371 boolean result = true; 372 Log.v(TAG, "Execute cmd: " + cmd + " for " + path); 373 long startTime = System.currentTimeMillis(); 374 375 switch (cmd) { 376 case R.id.action_delete: 377 manager.delete(path); 378 break; 379 case R.id.action_rotate_cw: 380 manager.rotate(path, 90); 381 break; 382 case R.id.action_rotate_ccw: 383 manager.rotate(path, -90); 384 break; 385 case R.id.action_toggle_full_caching: { 386 MediaObject obj = manager.getMediaObject(path); 387 int cacheFlag = obj.getCacheFlag(); 388 if (cacheFlag == MediaObject.CACHE_FLAG_FULL) { 389 cacheFlag = MediaObject.CACHE_FLAG_SCREENNAIL; 390 } else { 391 cacheFlag = MediaObject.CACHE_FLAG_FULL; 392 } 393 obj.cache(cacheFlag); 394 break; 395 } 396 case R.id.action_show_on_map: { 397 MediaItem item = (MediaItem) manager.getMediaObject(path); 398 double latlng[] = new double[2]; 399 item.getLatLong(latlng); 400 if (GalleryUtils.isValidLocation(latlng[0], latlng[1])) { 401 GalleryUtils.showOnMap(mActivity, latlng[0], latlng[1]); 402 } 403 break; 404 } 405 default: 406 throw new AssertionError(); 407 } 408 Log.v(TAG, "It takes " + (System.currentTimeMillis() - startTime) + 409 " ms to execute cmd for " + path); 410 return result; 411 } 412 413 private class MediaOperation implements Job<Void> { 414 private final ArrayList<Path> mItems; 415 private final int mOperation; 416 private final ProgressListener mListener; 417 418 public MediaOperation(int operation, ArrayList<Path> items, 419 ProgressListener listener) { 420 mOperation = operation; 421 mItems = items; 422 mListener = listener; 423 } 424 425 @Override 426 public Void run(JobContext jc) { 427 int index = 0; 428 DataManager manager = mActivity.getDataManager(); 429 int result = EXECUTION_RESULT_SUCCESS; 430 try { 431 onProgressStart(mListener); 432 for (Path id : mItems) { 433 if (jc.isCancelled()) { 434 result = EXECUTION_RESULT_CANCEL; 435 break; 436 } 437 if (!execute(manager, jc, mOperation, id)) { 438 result = EXECUTION_RESULT_FAIL; 439 } 440 onProgressUpdate(index++, mListener); 441 } 442 } catch (Throwable th) { 443 Log.e(TAG, "failed to execute operation " + mOperation 444 + " : " + th); 445 } finally { 446 onProgressComplete(result, mListener); 447 } 448 return null; 449 } 450 } 451 } 452
