1 /* 2 * Copyright (C) 2012 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.systemui.statusbar.phone; 18 19 import android.animation.Animator; 20 import android.animation.AnimatorListenerAdapter; 21 import android.animation.ObjectAnimator; 22 import android.animation.ValueAnimator; 23 import android.content.Context; 24 import android.content.res.Configuration; 25 import android.content.res.Resources; 26 import android.os.SystemClock; 27 import android.util.AttributeSet; 28 import android.util.Log; 29 import android.view.InputDevice; 30 import android.view.MotionEvent; 31 import android.view.ViewConfiguration; 32 import android.view.ViewTreeObserver; 33 import android.view.animation.Interpolator; 34 import android.widget.FrameLayout; 35 36 import com.android.internal.logging.nano.MetricsProto.MetricsEvent; 37 import com.android.keyguard.LatencyTracker; 38 import com.android.systemui.DejankUtils; 39 import com.android.systemui.Interpolators; 40 import com.android.systemui.R; 41 import com.android.systemui.classifier.FalsingManager; 42 import com.android.systemui.doze.DozeLog; 43 import com.android.systemui.statusbar.FlingAnimationUtils; 44 import com.android.systemui.statusbar.StatusBarState; 45 import com.android.systemui.statusbar.policy.HeadsUpManager; 46 47 import java.io.FileDescriptor; 48 import java.io.PrintWriter; 49 50 public abstract class PanelView extends FrameLayout { 51 public static final boolean DEBUG = PanelBar.DEBUG; 52 public static final String TAG = PanelView.class.getSimpleName(); 53 private static final int INITIAL_OPENING_PEEK_DURATION = 200; 54 private static final int PEEK_ANIMATION_DURATION = 360; 55 private long mDownTime; 56 private float mMinExpandHeight; 57 private LockscreenGestureLogger mLockscreenGestureLogger = new LockscreenGestureLogger(); 58 private boolean mPanelUpdateWhenAnimatorEnds; 59 60 private final void logf(String fmt, Object... args) { 61 Log.v(TAG, (mViewName != null ? (mViewName + ": ") : "") + String.format(fmt, args)); 62 } 63 64 protected StatusBar mStatusBar; 65 protected HeadsUpManager mHeadsUpManager; 66 67 private float mPeekHeight; 68 private float mHintDistance; 69 private float mInitialOffsetOnTouch; 70 private boolean mCollapsedAndHeadsUpOnDown; 71 private float mExpandedFraction = 0; 72 protected float mExpandedHeight = 0; 73 private boolean mPanelClosedOnDown; 74 private boolean mHasLayoutedSinceDown; 75 private float mUpdateFlingVelocity; 76 private boolean mUpdateFlingOnLayout; 77 private boolean mPeekTouching; 78 private boolean mJustPeeked; 79 private boolean mClosing; 80 protected boolean mTracking; 81 private boolean mTouchSlopExceeded; 82 private int mTrackingPointer; 83 protected int mTouchSlop; 84 protected boolean mHintAnimationRunning; 85 private boolean mOverExpandedBeforeFling; 86 private boolean mTouchAboveFalsingThreshold; 87 private int mUnlockFalsingThreshold; 88 private boolean mTouchStartedInEmptyArea; 89 private boolean mMotionAborted; 90 private boolean mUpwardsWhenTresholdReached; 91 private boolean mAnimatingOnDown; 92 93 private ValueAnimator mHeightAnimator; 94 private ObjectAnimator mPeekAnimator; 95 private VelocityTrackerInterface mVelocityTracker; 96 private FlingAnimationUtils mFlingAnimationUtils; 97 private FlingAnimationUtils mFlingAnimationUtilsClosing; 98 private FlingAnimationUtils mFlingAnimationUtilsDismissing; 99 private FalsingManager mFalsingManager; 100 101 /** 102 * Whether an instant expand request is currently pending and we are just waiting for layout. 103 */ 104 private boolean mInstantExpanding; 105 private boolean mAnimateAfterExpanding; 106 107 PanelBar mBar; 108 109 private String mViewName; 110 private float mInitialTouchY; 111 private float mInitialTouchX; 112 private boolean mTouchDisabled; 113 114 /** 115 * Whether or not the PanelView can be expanded or collapsed with a drag. 116 */ 117 private boolean mNotificationsDragEnabled; 118 119 private Interpolator mBounceInterpolator; 120 protected KeyguardBottomAreaView mKeyguardBottomArea; 121 122 /** 123 * Speed-up factor to be used when {@link #mFlingCollapseRunnable} runs the next time. 124 */ 125 private float mNextCollapseSpeedUpFactor = 1.0f; 126 127 protected boolean mExpanding; 128 private boolean mGestureWaitForTouchSlop; 129 private boolean mIgnoreXTouchSlop; 130 private boolean mExpandLatencyTracking; 131 132 protected void onExpandingFinished() { 133 mBar.onExpandingFinished(); 134 } 135 136 protected void onExpandingStarted() { 137 } 138 139 private void notifyExpandingStarted() { 140 if (!mExpanding) { 141 mExpanding = true; 142 onExpandingStarted(); 143 } 144 } 145 146 protected final void notifyExpandingFinished() { 147 endClosing(); 148 if (mExpanding) { 149 mExpanding = false; 150 onExpandingFinished(); 151 } 152 } 153 154 private void runPeekAnimation(long duration, float peekHeight, boolean collapseWhenFinished) { 155 mPeekHeight = peekHeight; 156 if (DEBUG) logf("peek to height=%.1f", mPeekHeight); 157 if (mHeightAnimator != null) { 158 return; 159 } 160 if (mPeekAnimator != null) { 161 mPeekAnimator.cancel(); 162 } 163 mPeekAnimator = ObjectAnimator.ofFloat(this, "expandedHeight", mPeekHeight) 164 .setDuration(duration); 165 mPeekAnimator.setInterpolator(Interpolators.LINEAR_OUT_SLOW_IN); 166 mPeekAnimator.addListener(new AnimatorListenerAdapter() { 167 private boolean mCancelled; 168 169 @Override 170 public void onAnimationCancel(Animator animation) { 171 mCancelled = true; 172 } 173 174 @Override 175 public void onAnimationEnd(Animator animation) { 176 mPeekAnimator = null; 177 if (!mCancelled && collapseWhenFinished) { 178 postOnAnimation(mPostCollapseRunnable); 179 } 180 181 } 182 }); 183 notifyExpandingStarted(); 184 mPeekAnimator.start(); 185 mJustPeeked = true; 186 } 187 188 public PanelView(Context context, AttributeSet attrs) { 189 super(context, attrs); 190 mFlingAnimationUtils = new FlingAnimationUtils(context, 0.6f /* maxLengthSeconds */, 191 0.6f /* speedUpFactor */); 192 mFlingAnimationUtilsClosing = new FlingAnimationUtils(context, 0.5f /* maxLengthSeconds */, 193 0.6f /* speedUpFactor */); 194 mFlingAnimationUtilsDismissing = new FlingAnimationUtils(context, 195 0.5f /* maxLengthSeconds */, 0.2f /* speedUpFactor */, 0.6f /* x2 */, 196 0.84f /* y2 */); 197 mBounceInterpolator = new BounceInterpolator(); 198 mFalsingManager = FalsingManager.getInstance(context); 199 mNotificationsDragEnabled = 200 getResources().getBoolean(R.bool.config_enableNotificationShadeDrag); 201 } 202 203 protected void loadDimens() { 204 final Resources res = getContext().getResources(); 205 final ViewConfiguration configuration = ViewConfiguration.get(getContext()); 206 mTouchSlop = configuration.getScaledTouchSlop(); 207 mHintDistance = res.getDimension(R.dimen.hint_move_distance); 208 mUnlockFalsingThreshold = res.getDimensionPixelSize(R.dimen.unlock_falsing_threshold); 209 } 210 211 private void trackMovement(MotionEvent event) { 212 // Add movement to velocity tracker using raw screen X and Y coordinates instead 213 // of window coordinates because the window frame may be moving at the same time. 214 float deltaX = event.getRawX() - event.getX(); 215 float deltaY = event.getRawY() - event.getY(); 216 event.offsetLocation(deltaX, deltaY); 217 if (mVelocityTracker != null) mVelocityTracker.addMovement(event); 218 event.offsetLocation(-deltaX, -deltaY); 219 } 220 221 public void setTouchDisabled(boolean disabled) { 222 mTouchDisabled = disabled; 223 if (mTouchDisabled) { 224 cancelHeightAnimator(); 225 if (mTracking) { 226 onTrackingStopped(true /* expanded */); 227 } 228 notifyExpandingFinished(); 229 } 230 } 231 232 public void startExpandLatencyTracking() { 233 if (LatencyTracker.isEnabled(mContext)) { 234 LatencyTracker.getInstance(mContext).onActionStart( 235 LatencyTracker.ACTION_EXPAND_PANEL); 236 mExpandLatencyTracking = true; 237 } 238 } 239 240 @Override 241 public boolean onTouchEvent(MotionEvent event) { 242 if (mInstantExpanding || mTouchDisabled 243 || (mMotionAborted && event.getActionMasked() != MotionEvent.ACTION_DOWN)) { 244 return false; 245 } 246 247 // If dragging should not expand the notifications shade, then return false. 248 if (!mNotificationsDragEnabled) { 249 if (mTracking) { 250 // Turn off tracking if it's on or the shade can get stuck in the down position. 251 onTrackingStopped(true /* expand */); 252 } 253 return false; 254 } 255 256 // On expanding, single mouse click expands the panel instead of dragging. 257 if (isFullyCollapsed() && event.isFromSource(InputDevice.SOURCE_MOUSE)) { 258 if (event.getAction() == MotionEvent.ACTION_UP) { 259 expand(true); 260 } 261 return true; 262 } 263 264 /* 265 * We capture touch events here and update the expand height here in case according to 266 * the users fingers. This also handles multi-touch. 267 * 268 * If the user just clicks shortly, we show a quick peek of the shade. 269 * 270 * Flinging is also enabled in order to open or close the shade. 271 */ 272 273 int pointerIndex = event.findPointerIndex(mTrackingPointer); 274 if (pointerIndex < 0) { 275 pointerIndex = 0; 276 mTrackingPointer = event.getPointerId(pointerIndex); 277 } 278 final float x = event.getX(pointerIndex); 279 final float y = event.getY(pointerIndex); 280 281 if (event.getActionMasked() == MotionEvent.ACTION_DOWN) { 282 mGestureWaitForTouchSlop = isFullyCollapsed() || hasConflictingGestures(); 283 mIgnoreXTouchSlop = isFullyCollapsed() || shouldGestureIgnoreXTouchSlop(x, y); 284 } 285 286 switch (event.getActionMasked()) { 287 case MotionEvent.ACTION_DOWN: 288 startExpandMotion(x, y, false /* startTracking */, mExpandedHeight); 289 mJustPeeked = false; 290 mMinExpandHeight = 0.0f; 291 mPanelClosedOnDown = isFullyCollapsed(); 292 mHasLayoutedSinceDown = false; 293 mUpdateFlingOnLayout = false; 294 mMotionAborted = false; 295 mPeekTouching = mPanelClosedOnDown; 296 mDownTime = SystemClock.uptimeMillis(); 297 mTouchAboveFalsingThreshold = false; 298 mCollapsedAndHeadsUpOnDown = isFullyCollapsed() 299 && mHeadsUpManager.hasPinnedHeadsUp(); 300 if (mVelocityTracker == null) { 301 initVelocityTracker(); 302 } 303 trackMovement(event); 304 if (!mGestureWaitForTouchSlop || (mHeightAnimator != null && !mHintAnimationRunning) 305 || mPeekAnimator != null) { 306 mTouchSlopExceeded = (mHeightAnimator != null && !mHintAnimationRunning) 307 || mPeekAnimator != null; 308 cancelHeightAnimator(); 309 cancelPeek(); 310 onTrackingStarted(); 311 } 312 if (isFullyCollapsed() && !mHeadsUpManager.hasPinnedHeadsUp()) { 313 startOpening(); 314 } 315 break; 316 317 case MotionEvent.ACTION_POINTER_UP: 318 final int upPointer = event.getPointerId(event.getActionIndex()); 319 if (mTrackingPointer == upPointer) { 320 // gesture is ongoing, find a new pointer to track 321 final int newIndex = event.getPointerId(0) != upPointer ? 0 : 1; 322 final float newY = event.getY(newIndex); 323 final float newX = event.getX(newIndex); 324 mTrackingPointer = event.getPointerId(newIndex); 325 startExpandMotion(newX, newY, true /* startTracking */, mExpandedHeight); 326 } 327 break; 328 case MotionEvent.ACTION_POINTER_DOWN: 329 if (mStatusBar.getBarState() == StatusBarState.KEYGUARD) { 330 mMotionAborted = true; 331 endMotionEvent(event, x, y, true /* forceCancel */); 332 return false; 333 } 334 break; 335 case MotionEvent.ACTION_MOVE: 336 trackMovement(event); 337 float h = y - mInitialTouchY; 338 339 // If the panel was collapsed when touching, we only need to check for the 340 // y-component of the gesture, as we have no conflicting horizontal gesture. 341 if (Math.abs(h) > mTouchSlop 342 && (Math.abs(h) > Math.abs(x - mInitialTouchX) 343 || mIgnoreXTouchSlop)) { 344 mTouchSlopExceeded = true; 345 if (mGestureWaitForTouchSlop && !mTracking && !mCollapsedAndHeadsUpOnDown) { 346 if (!mJustPeeked && mInitialOffsetOnTouch != 0f) { 347 startExpandMotion(x, y, false /* startTracking */, mExpandedHeight); 348 h = 0; 349 } 350 cancelHeightAnimator(); 351 onTrackingStarted(); 352 } 353 } 354 float newHeight = Math.max(0, h + mInitialOffsetOnTouch); 355 if (newHeight > mPeekHeight) { 356 if (mPeekAnimator != null) { 357 mPeekAnimator.cancel(); 358 } 359 mJustPeeked = false; 360 } else if (mPeekAnimator == null && mJustPeeked) { 361 // The initial peek has finished, but we haven't dragged as far yet, lets 362 // speed it up by starting at the peek height. 363 mInitialOffsetOnTouch = mExpandedHeight; 364 mInitialTouchY = y; 365 mMinExpandHeight = mExpandedHeight; 366 mJustPeeked = false; 367 } 368 newHeight = Math.max(newHeight, mMinExpandHeight); 369 if (-h >= getFalsingThreshold()) { 370 mTouchAboveFalsingThreshold = true; 371 mUpwardsWhenTresholdReached = isDirectionUpwards(x, y); 372 } 373 if (!mJustPeeked && (!mGestureWaitForTouchSlop || mTracking) && 374 !isTrackingBlocked()) { 375 setExpandedHeightInternal(newHeight); 376 } 377 break; 378 379 case MotionEvent.ACTION_UP: 380 case MotionEvent.ACTION_CANCEL: 381 trackMovement(event); 382 endMotionEvent(event, x, y, false /* forceCancel */); 383 break; 384 } 385 return !mGestureWaitForTouchSlop || mTracking; 386 } 387 388 private void startOpening() {; 389 runPeekAnimation(INITIAL_OPENING_PEEK_DURATION, getOpeningHeight(), 390 false /* collapseWhenFinished */); 391 notifyBarPanelExpansionChanged(); 392 } 393 394 protected abstract float getOpeningHeight(); 395 396 /** 397 * @return whether the swiping direction is upwards and above a 45 degree angle compared to the 398 * horizontal direction 399 */ 400 private boolean isDirectionUpwards(float x, float y) { 401 float xDiff = x - mInitialTouchX; 402 float yDiff = y - mInitialTouchY; 403 if (yDiff >= 0) { 404 return false; 405 } 406 return Math.abs(yDiff) >= Math.abs(xDiff); 407 } 408 409 protected void startExpandingFromPeek() { 410 mStatusBar.handlePeekToExpandTransistion(); 411 } 412 413 protected void startExpandMotion(float newX, float newY, boolean startTracking, 414 float expandedHeight) { 415 mInitialOffsetOnTouch = expandedHeight; 416 mInitialTouchY = newY; 417 mInitialTouchX = newX; 418 if (startTracking) { 419 mTouchSlopExceeded = true; 420 setExpandedHeight(mInitialOffsetOnTouch); 421 onTrackingStarted(); 422 } 423 } 424 425 private void endMotionEvent(MotionEvent event, float x, float y, boolean forceCancel) { 426 mTrackingPointer = -1; 427 if ((mTracking && mTouchSlopExceeded) 428 || Math.abs(x - mInitialTouchX) > mTouchSlop 429 || Math.abs(y - mInitialTouchY) > mTouchSlop 430 || event.getActionMasked() == MotionEvent.ACTION_CANCEL 431 || forceCancel) { 432 float vel = 0f; 433 float vectorVel = 0f; 434 if (mVelocityTracker != null) { 435 mVelocityTracker.computeCurrentVelocity(1000); 436 vel = mVelocityTracker.getYVelocity(); 437 vectorVel = (float) Math.hypot( 438 mVelocityTracker.getXVelocity(), mVelocityTracker.getYVelocity()); 439 } 440 boolean expand = flingExpands(vel, vectorVel, x, y) 441 || event.getActionMasked() == MotionEvent.ACTION_CANCEL 442 || forceCancel; 443 DozeLog.traceFling(expand, mTouchAboveFalsingThreshold, 444 mStatusBar.isFalsingThresholdNeeded(), 445 mStatusBar.isWakeUpComingFromTouch()); 446 // Log collapse gesture if on lock screen. 447 if (!expand && mStatusBar.getBarState() == StatusBarState.KEYGUARD) { 448 float displayDensity = mStatusBar.getDisplayDensity(); 449 int heightDp = (int) Math.abs((y - mInitialTouchY) / displayDensity); 450 int velocityDp = (int) Math.abs(vel / displayDensity); 451 mLockscreenGestureLogger.write( 452 MetricsEvent.ACTION_LS_UNLOCK, 453 heightDp, velocityDp); 454 } 455 fling(vel, expand, isFalseTouch(x, y)); 456 onTrackingStopped(expand); 457 mUpdateFlingOnLayout = expand && mPanelClosedOnDown && !mHasLayoutedSinceDown; 458 if (mUpdateFlingOnLayout) { 459 mUpdateFlingVelocity = vel; 460 } 461 } else if (mPanelClosedOnDown && !mHeadsUpManager.hasPinnedHeadsUp() && !mTracking) { 462 long timePassed = SystemClock.uptimeMillis() - mDownTime; 463 if (timePassed < ViewConfiguration.getLongPressTimeout()) { 464 // Lets show the user that he can actually expand the panel 465 runPeekAnimation(PEEK_ANIMATION_DURATION, getPeekHeight(), true /* collapseWhenFinished */); 466 } else { 467 // We need to collapse the panel since we peeked to the small height. 468 postOnAnimation(mPostCollapseRunnable); 469 } 470 } else { 471 boolean expands = onEmptySpaceClick(mInitialTouchX); 472 onTrackingStopped(expands); 473 } 474 475 if (mVelocityTracker != null) { 476 mVelocityTracker.recycle(); 477 mVelocityTracker = null; 478 } 479 mPeekTouching = false; 480 } 481 482 protected float getCurrentExpandVelocity() { 483 if (mVelocityTracker == null) { 484 return 0; 485 } 486 mVelocityTracker.computeCurrentVelocity(1000); 487 return mVelocityTracker.getYVelocity(); 488 } 489 490 private int getFalsingThreshold() { 491 float factor = mStatusBar.isWakeUpComingFromTouch() ? 1.5f : 1.0f; 492 return (int) (mUnlockFalsingThreshold * factor); 493 } 494 495 protected abstract boolean hasConflictingGestures(); 496 497 protected abstract boolean shouldGestureIgnoreXTouchSlop(float x, float y); 498 499 protected void onTrackingStopped(boolean expand) { 500 mTracking = false; 501 mBar.onTrackingStopped(expand); 502 notifyBarPanelExpansionChanged(); 503 } 504 505 protected void onTrackingStarted() { 506 endClosing(); 507 mTracking = true; 508 mBar.onTrackingStarted(); 509 notifyExpandingStarted(); 510 notifyBarPanelExpansionChanged(); 511 } 512 513 @Override 514 public boolean onInterceptTouchEvent(MotionEvent event) { 515 if (mInstantExpanding || !mNotificationsDragEnabled || mTouchDisabled 516 || (mMotionAborted && event.getActionMasked() != MotionEvent.ACTION_DOWN)) { 517 return false; 518 } 519 520 /* 521 * If the user drags anywhere inside the panel we intercept it if the movement is 522 * upwards. This allows closing the shade from anywhere inside the panel. 523 * 524 * We only do this if the current content is scrolled to the bottom, 525 * i.e isScrolledToBottom() is true and therefore there is no conflicting scrolling gesture 526 * possible. 527 */ 528 int pointerIndex = event.findPointerIndex(mTrackingPointer); 529 if (pointerIndex < 0) { 530 pointerIndex = 0; 531 mTrackingPointer = event.getPointerId(pointerIndex); 532 } 533 final float x = event.getX(pointerIndex); 534 final float y = event.getY(pointerIndex); 535 boolean scrolledToBottom = isScrolledToBottom(); 536 537 switch (event.getActionMasked()) { 538 case MotionEvent.ACTION_DOWN: 539 mStatusBar.userActivity(); 540 mAnimatingOnDown = mHeightAnimator != null; 541 mMinExpandHeight = 0.0f; 542 mDownTime = SystemClock.uptimeMillis(); 543 if (mAnimatingOnDown && mClosing && !mHintAnimationRunning 544 || mPeekAnimator != null) { 545 cancelHeightAnimator(); 546 cancelPeek(); 547 mTouchSlopExceeded = true; 548 return true; 549 } 550 mInitialTouchY = y; 551 mInitialTouchX = x; 552 mTouchStartedInEmptyArea = !isInContentBounds(x, y); 553 mTouchSlopExceeded = false; 554 mJustPeeked = false; 555 mMotionAborted = false; 556 mPanelClosedOnDown = isFullyCollapsed(); 557 mCollapsedAndHeadsUpOnDown = false; 558 mHasLayoutedSinceDown = false; 559 mUpdateFlingOnLayout = false; 560 mTouchAboveFalsingThreshold = false; 561 initVelocityTracker(); 562 trackMovement(event); 563 break; 564 case MotionEvent.ACTION_POINTER_UP: 565 final int upPointer = event.getPointerId(event.getActionIndex()); 566 if (mTrackingPointer == upPointer) { 567 // gesture is ongoing, find a new pointer to track 568 final int newIndex = event.getPointerId(0) != upPointer ? 0 : 1; 569 mTrackingPointer = event.getPointerId(newIndex); 570 mInitialTouchX = event.getX(newIndex); 571 mInitialTouchY = event.getY(newIndex); 572 } 573 break; 574 case MotionEvent.ACTION_POINTER_DOWN: 575 if (mStatusBar.getBarState() == StatusBarState.KEYGUARD) { 576 mMotionAborted = true; 577 if (mVelocityTracker != null) { 578 mVelocityTracker.recycle(); 579 mVelocityTracker = null; 580 } 581 } 582 break; 583 case MotionEvent.ACTION_MOVE: 584 final float h = y - mInitialTouchY; 585 trackMovement(event); 586 if (scrolledToBottom || mTouchStartedInEmptyArea || mAnimatingOnDown) { 587 float hAbs = Math.abs(h); 588 if ((h < -mTouchSlop || (mAnimatingOnDown && hAbs > mTouchSlop)) 589 && hAbs > Math.abs(x - mInitialTouchX)) { 590 cancelHeightAnimator(); 591 startExpandMotion(x, y, true /* startTracking */, mExpandedHeight); 592 return true; 593 } 594 } 595 break; 596 case MotionEvent.ACTION_CANCEL: 597 case MotionEvent.ACTION_UP: 598 if (mVelocityTracker != null) { 599 mVelocityTracker.recycle(); 600 mVelocityTracker = null; 601 } 602 break; 603 } 604 return false; 605 } 606 607 /** 608 * @return Whether a pair of coordinates are inside the visible view content bounds. 609 */ 610 protected abstract boolean isInContentBounds(float x, float y); 611 612 protected void cancelHeightAnimator() { 613 if (mHeightAnimator != null) { 614 if (mHeightAnimator.isRunning()) { 615 mPanelUpdateWhenAnimatorEnds = false; 616 } 617 mHeightAnimator.cancel(); 618 } 619 endClosing(); 620 } 621 622 private void endClosing() { 623 if (mClosing) { 624 mClosing = false; 625 onClosingFinished(); 626 } 627 } 628 629 private void initVelocityTracker() { 630 if (mVelocityTracker != null) { 631 mVelocityTracker.recycle(); 632 } 633 mVelocityTracker = VelocityTrackerFactory.obtain(getContext()); 634 } 635 636 protected boolean isScrolledToBottom() { 637 return true; 638 } 639 640 protected float getContentHeight() { 641 return mExpandedHeight; 642 } 643 644 @Override 645 protected void onFinishInflate() { 646 super.onFinishInflate(); 647 loadDimens(); 648 } 649 650 @Override 651 protected void onConfigurationChanged(Configuration newConfig) { 652 super.onConfigurationChanged(newConfig); 653 loadDimens(); 654 } 655 656 /** 657 * @param vel the current vertical velocity of the motion 658 * @param vectorVel the length of the vectorial velocity 659 * @return whether a fling should expands the panel; contracts otherwise 660 */ 661 protected boolean flingExpands(float vel, float vectorVel, float x, float y) { 662 if (isFalseTouch(x, y)) { 663 return true; 664 } 665 if (Math.abs(vectorVel) < mFlingAnimationUtils.getMinVelocityPxPerSecond()) { 666 return getExpandedFraction() > 0.5f; 667 } else { 668 return vel > 0; 669 } 670 } 671 672 /** 673 * @param x the final x-coordinate when the finger was lifted 674 * @param y the final y-coordinate when the finger was lifted 675 * @return whether this motion should be regarded as a false touch 676 */ 677 private boolean isFalseTouch(float x, float y) { 678 if (!mStatusBar.isFalsingThresholdNeeded()) { 679 return false; 680 } 681 if (mFalsingManager.isClassiferEnabled()) { 682 return mFalsingManager.isFalseTouch(); 683 } 684 if (!mTouchAboveFalsingThreshold) { 685 return true; 686 } 687 if (mUpwardsWhenTresholdReached) { 688 return false; 689 } 690 return !isDirectionUpwards(x, y); 691 } 692 693 protected void fling(float vel, boolean expand) { 694 fling(vel, expand, 1.0f /* collapseSpeedUpFactor */, false); 695 } 696 697 protected void fling(float vel, boolean expand, boolean expandBecauseOfFalsing) { 698 fling(vel, expand, 1.0f /* collapseSpeedUpFactor */, expandBecauseOfFalsing); 699 } 700 701 protected void fling(float vel, boolean expand, float collapseSpeedUpFactor, 702 boolean expandBecauseOfFalsing) { 703 cancelPeek(); 704 float target = expand ? getMaxPanelHeight() : 0; 705 if (!expand) { 706 mClosing = true; 707 } 708 flingToHeight(vel, expand, target, collapseSpeedUpFactor, expandBecauseOfFalsing); 709 } 710 711 protected void flingToHeight(float vel, boolean expand, float target, 712 float collapseSpeedUpFactor, boolean expandBecauseOfFalsing) { 713 // Hack to make the expand transition look nice when clear all button is visible - we make 714 // the animation only to the last notification, and then jump to the maximum panel height so 715 // clear all just fades in and the decelerating motion is towards the last notification. 716 final boolean clearAllExpandHack = expand && fullyExpandedClearAllVisible() 717 && mExpandedHeight < getMaxPanelHeight() - getClearAllHeight() 718 && !isClearAllVisible(); 719 if (clearAllExpandHack) { 720 target = getMaxPanelHeight() - getClearAllHeight(); 721 } 722 if (target == mExpandedHeight || getOverExpansionAmount() > 0f && expand) { 723 notifyExpandingFinished(); 724 return; 725 } 726 mOverExpandedBeforeFling = getOverExpansionAmount() > 0f; 727 ValueAnimator animator = createHeightAnimator(target); 728 if (expand) { 729 if (expandBecauseOfFalsing && vel < 0) { 730 vel = 0; 731 } 732 mFlingAnimationUtils.apply(animator, mExpandedHeight, target, vel, getHeight()); 733 if (vel == 0) { 734 animator.setDuration(350); 735 } 736 } else { 737 if (shouldUseDismissingAnimation()) { 738 if (vel == 0) { 739 animator.setInterpolator(Interpolators.PANEL_CLOSE_ACCELERATED); 740 long duration = (long) (200 + mExpandedHeight / getHeight() * 100); 741 animator.setDuration(duration); 742 } else { 743 mFlingAnimationUtilsDismissing.apply(animator, mExpandedHeight, target, vel, 744 getHeight()); 745 } 746 } else { 747 mFlingAnimationUtilsClosing 748 .apply(animator, mExpandedHeight, target, vel, getHeight()); 749 } 750 751 // Make it shorter if we run a canned animation 752 if (vel == 0) { 753 animator.setDuration((long) (animator.getDuration() / collapseSpeedUpFactor)); 754 } 755 } 756 animator.addListener(new AnimatorListenerAdapter() { 757 private boolean mCancelled; 758 759 @Override 760 public void onAnimationCancel(Animator animation) { 761 mCancelled = true; 762 } 763 764 @Override 765 public void onAnimationEnd(Animator animation) { 766 if (clearAllExpandHack && !mCancelled) { 767 setExpandedHeightInternal(getMaxPanelHeight()); 768 } 769 setAnimator(null); 770 if (!mCancelled) { 771 notifyExpandingFinished(); 772 } 773 notifyBarPanelExpansionChanged(); 774 } 775 }); 776 setAnimator(animator); 777 animator.start(); 778 } 779 780 protected abstract boolean shouldUseDismissingAnimation(); 781 782 @Override 783 protected void onAttachedToWindow() { 784 super.onAttachedToWindow(); 785 mViewName = getResources().getResourceName(getId()); 786 } 787 788 public String getName() { 789 return mViewName; 790 } 791 792 public void setExpandedHeight(float height) { 793 if (DEBUG) logf("setExpandedHeight(%.1f)", height); 794 setExpandedHeightInternal(height + getOverExpansionPixels()); 795 } 796 797 @Override 798 protected void onLayout (boolean changed, int left, int top, int right, int bottom) { 799 super.onLayout(changed, left, top, right, bottom); 800 mStatusBar.onPanelLaidOut(); 801 requestPanelHeightUpdate(); 802 mHasLayoutedSinceDown = true; 803 if (mUpdateFlingOnLayout) { 804 abortAnimations(); 805 fling(mUpdateFlingVelocity, true /* expands */); 806 mUpdateFlingOnLayout = false; 807 } 808 } 809 810 protected void requestPanelHeightUpdate() { 811 float currentMaxPanelHeight = getMaxPanelHeight(); 812 813 if (isFullyCollapsed()) { 814 return; 815 } 816 817 if (currentMaxPanelHeight == mExpandedHeight) { 818 return; 819 } 820 821 if (mPeekAnimator != null || mPeekTouching) { 822 return; 823 } 824 825 if (mTracking && !isTrackingBlocked()) { 826 return; 827 } 828 829 if (mHeightAnimator != null) { 830 mPanelUpdateWhenAnimatorEnds = true; 831 return; 832 } 833 834 setExpandedHeight(currentMaxPanelHeight); 835 } 836 837 public void setExpandedHeightInternal(float h) { 838 if (mExpandLatencyTracking && h != 0f) { 839 DejankUtils.postAfterTraversal(() -> LatencyTracker.getInstance(mContext).onActionEnd( 840 LatencyTracker.ACTION_EXPAND_PANEL)); 841 mExpandLatencyTracking = false; 842 } 843 float fhWithoutOverExpansion = getMaxPanelHeight() - getOverExpansionAmount(); 844 if (mHeightAnimator == null) { 845 float overExpansionPixels = Math.max(0, h - fhWithoutOverExpansion); 846 if (getOverExpansionPixels() != overExpansionPixels && mTracking) { 847 setOverExpansion(overExpansionPixels, true /* isPixels */); 848 } 849 mExpandedHeight = Math.min(h, fhWithoutOverExpansion) + getOverExpansionAmount(); 850 } else { 851 mExpandedHeight = h; 852 if (mOverExpandedBeforeFling) { 853 setOverExpansion(Math.max(0, h - fhWithoutOverExpansion), false /* isPixels */); 854 } 855 } 856 857 // If we are closing the panel and we are almost there due to a slow decelerating 858 // interpolator, abort the animation. 859 if (mExpandedHeight < 1f && mExpandedHeight != 0f && mClosing) { 860 mExpandedHeight = 0f; 861 if (mHeightAnimator != null) { 862 mHeightAnimator.end(); 863 } 864 } 865 mExpandedFraction = Math.min(1f, 866 fhWithoutOverExpansion == 0 ? 0 : mExpandedHeight / fhWithoutOverExpansion); 867 onHeightUpdated(mExpandedHeight); 868 notifyBarPanelExpansionChanged(); 869 } 870 871 /** 872 * @return true if the panel tracking should be temporarily blocked; this is used when a 873 * conflicting gesture (opening QS) is happening 874 */ 875 protected abstract boolean isTrackingBlocked(); 876 877 protected abstract void setOverExpansion(float overExpansion, boolean isPixels); 878 879 protected abstract void onHeightUpdated(float expandedHeight); 880 881 protected abstract float getOverExpansionAmount(); 882 883 protected abstract float getOverExpansionPixels(); 884 885 /** 886 * This returns the maximum height of the panel. Children should override this if their 887 * desired height is not the full height. 888 * 889 * @return the default implementation simply returns the maximum height. 890 */ 891 protected abstract int getMaxPanelHeight(); 892 893 public void setExpandedFraction(float frac) { 894 setExpandedHeight(getMaxPanelHeight() * frac); 895 } 896 897 public float getExpandedHeight() { 898 return mExpandedHeight; 899 } 900 901 public float getExpandedFraction() { 902 return mExpandedFraction; 903 } 904 905 public boolean isFullyExpanded() { 906 return mExpandedHeight >= getMaxPanelHeight(); 907 } 908 909 public boolean isFullyCollapsed() { 910 return mExpandedFraction <= 0.0f; 911 } 912 913 public boolean isCollapsing() { 914 return mClosing; 915 } 916 917 public boolean isTracking() { 918 return mTracking; 919 } 920 921 public void setBar(PanelBar panelBar) { 922 mBar = panelBar; 923 } 924 925 public void collapse(boolean delayed, float speedUpFactor) { 926 if (DEBUG) logf("collapse: " + this); 927 if (canPanelBeCollapsed()) { 928 cancelHeightAnimator(); 929 notifyExpandingStarted(); 930 931 // Set after notifyExpandingStarted, as notifyExpandingStarted resets the closing state. 932 mClosing = true; 933 if (delayed) { 934 mNextCollapseSpeedUpFactor = speedUpFactor; 935 postDelayed(mFlingCollapseRunnable, 120); 936 } else { 937 fling(0, false /* expand */, speedUpFactor, false /* expandBecauseOfFalsing */); 938 } 939 } 940 } 941 942 public boolean canPanelBeCollapsed() { 943 return !isFullyCollapsed() && !mTracking && !mClosing; 944 } 945 946 private final Runnable mFlingCollapseRunnable = new Runnable() { 947 @Override 948 public void run() { 949 fling(0, false /* expand */, mNextCollapseSpeedUpFactor, 950 false /* expandBecauseOfFalsing */); 951 } 952 }; 953 954 public void cancelPeek() { 955 boolean cancelled = false; 956 if (mPeekAnimator != null) { 957 cancelled = true; 958 mPeekAnimator.cancel(); 959 } 960 961 if (cancelled) { 962 // When peeking, we already tell mBar that we expanded ourselves. Make sure that we also 963 // notify mBar that we might have closed ourselves. 964 notifyBarPanelExpansionChanged(); 965 } 966 } 967 968 public void expand(final boolean animate) { 969 if (!isFullyCollapsed() && !isCollapsing()) { 970 return; 971 } 972 973 mInstantExpanding = true; 974 mAnimateAfterExpanding = animate; 975 mUpdateFlingOnLayout = false; 976 abortAnimations(); 977 cancelPeek(); 978 if (mTracking) { 979 onTrackingStopped(true /* expands */); // The panel is expanded after this call. 980 } 981 if (mExpanding) { 982 notifyExpandingFinished(); 983 } 984 notifyBarPanelExpansionChanged(); 985 986 // Wait for window manager to pickup the change, so we know the maximum height of the panel 987 // then. 988 getViewTreeObserver().addOnGlobalLayoutListener( 989 new ViewTreeObserver.OnGlobalLayoutListener() { 990 @Override 991 public void onGlobalLayout() { 992 if (!mInstantExpanding) { 993 getViewTreeObserver().removeOnGlobalLayoutListener(this); 994 return; 995 } 996 if (mStatusBar.getStatusBarWindow().getHeight() 997 != mStatusBar.getStatusBarHeight()) { 998 getViewTreeObserver().removeOnGlobalLayoutListener(this); 999 if (mAnimateAfterExpanding) { 1000 notifyExpandingStarted(); 1001 fling(0, true /* expand */); 1002 } else { 1003 setExpandedFraction(1f); 1004 } 1005 mInstantExpanding = false; 1006 } 1007 } 1008 }); 1009 1010 // Make sure a layout really happens. 1011 requestLayout(); 1012 } 1013 1014 public void instantCollapse() { 1015 abortAnimations(); 1016 setExpandedFraction(0f); 1017 if (mExpanding) { 1018 notifyExpandingFinished(); 1019 } 1020 if (mInstantExpanding) { 1021 mInstantExpanding = false; 1022 notifyBarPanelExpansionChanged(); 1023 } 1024 } 1025 1026 private void abortAnimations() { 1027 cancelPeek(); 1028 cancelHeightAnimator(); 1029 removeCallbacks(mPostCollapseRunnable); 1030 removeCallbacks(mFlingCollapseRunnable); 1031 } 1032 1033 protected void onClosingFinished() { 1034 mBar.onClosingFinished(); 1035 } 1036 1037 1038 protected void startUnlockHintAnimation() { 1039 1040 // We don't need to hint the user if an animation is already running or the user is changing 1041 // the expansion. 1042 if (mHeightAnimator != null || mTracking) { 1043 return; 1044 } 1045 cancelPeek(); 1046 notifyExpandingStarted(); 1047 startUnlockHintAnimationPhase1(new Runnable() { 1048 @Override 1049 public void run() { 1050 notifyExpandingFinished(); 1051 onUnlockHintFinished(); 1052 mHintAnimationRunning = false; 1053 } 1054 }); 1055 onUnlockHintStarted(); 1056 mHintAnimationRunning = true; 1057 } 1058 1059 protected void onUnlockHintFinished() { 1060 mStatusBar.onHintFinished(); 1061 } 1062 1063 protected void onUnlockHintStarted() { 1064 mStatusBar.onUnlockHintStarted(); 1065 } 1066 1067 /** 1068 * Phase 1: Move everything upwards. 1069 */ 1070 private void startUnlockHintAnimationPhase1(final Runnable onAnimationFinished) { 1071 float target = Math.max(0, getMaxPanelHeight() - mHintDistance); 1072 ValueAnimator animator = createHeightAnimator(target); 1073 animator.setDuration(250); 1074 animator.setInterpolator(Interpolators.FAST_OUT_SLOW_IN); 1075 animator.addListener(new AnimatorListenerAdapter() { 1076 private boolean mCancelled; 1077 1078 @Override 1079 public void onAnimationCancel(Animator animation) { 1080 mCancelled = true; 1081 } 1082 1083 @Override 1084 public void onAnimationEnd(Animator animation) { 1085 if (mCancelled) { 1086 setAnimator(null); 1087 onAnimationFinished.run(); 1088 } else { 1089 startUnlockHintAnimationPhase2(onAnimationFinished); 1090 } 1091 } 1092 }); 1093 animator.start(); 1094 setAnimator(animator); 1095 mKeyguardBottomArea.getIndicationArea().animate() 1096 .translationY(-mHintDistance) 1097 .setDuration(250) 1098 .setInterpolator(Interpolators.FAST_OUT_SLOW_IN) 1099 .withEndAction(new Runnable() { 1100 @Override 1101 public void run() { 1102 mKeyguardBottomArea.getIndicationArea().animate() 1103 .translationY(0) 1104 .setDuration(450) 1105 .setInterpolator(mBounceInterpolator) 1106 .start(); 1107 } 1108 }) 1109 .start(); 1110 } 1111 1112 private void setAnimator(ValueAnimator animator) { 1113 mHeightAnimator = animator; 1114 if (animator == null && mPanelUpdateWhenAnimatorEnds) { 1115 mPanelUpdateWhenAnimatorEnds = false; 1116 requestPanelHeightUpdate(); 1117 } 1118 } 1119 1120 /** 1121 * Phase 2: Bounce down. 1122 */ 1123 private void startUnlockHintAnimationPhase2(final Runnable onAnimationFinished) { 1124 ValueAnimator animator = createHeightAnimator(getMaxPanelHeight()); 1125 animator.setDuration(450); 1126 animator.setInterpolator(mBounceInterpolator); 1127 animator.addListener(new AnimatorListenerAdapter() { 1128 @Override 1129 public void onAnimationEnd(Animator animation) { 1130 setAnimator(null); 1131 onAnimationFinished.run(); 1132 notifyBarPanelExpansionChanged(); 1133 } 1134 }); 1135 animator.start(); 1136 setAnimator(animator); 1137 } 1138 1139 private ValueAnimator createHeightAnimator(float targetHeight) { 1140 ValueAnimator animator = ValueAnimator.ofFloat(mExpandedHeight, targetHeight); 1141 animator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() { 1142 @Override 1143 public void onAnimationUpdate(ValueAnimator animation) { 1144 setExpandedHeightInternal((Float) animation.getAnimatedValue()); 1145 } 1146 }); 1147 return animator; 1148 } 1149 1150 protected void notifyBarPanelExpansionChanged() { 1151 mBar.panelExpansionChanged(mExpandedFraction, mExpandedFraction > 0f 1152 || mPeekAnimator != null || mInstantExpanding || isPanelVisibleBecauseOfHeadsUp() 1153 || mTracking || mHeightAnimator != null); 1154 } 1155 1156 protected abstract boolean isPanelVisibleBecauseOfHeadsUp(); 1157 1158 /** 1159 * Gets called when the user performs a click anywhere in the empty area of the panel. 1160 * 1161 * @return whether the panel will be expanded after the action performed by this method 1162 */ 1163 protected boolean onEmptySpaceClick(float x) { 1164 if (mHintAnimationRunning) { 1165 return true; 1166 } 1167 return onMiddleClicked(); 1168 } 1169 1170 protected final Runnable mPostCollapseRunnable = new Runnable() { 1171 @Override 1172 public void run() { 1173 collapse(false /* delayed */, 1.0f /* speedUpFactor */); 1174 } 1175 }; 1176 1177 protected abstract boolean onMiddleClicked(); 1178 1179 protected abstract boolean isDozing(); 1180 1181 public void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 1182 pw.println(String.format("[PanelView(%s): expandedHeight=%f maxPanelHeight=%d closing=%s" 1183 + " tracking=%s justPeeked=%s peekAnim=%s%s timeAnim=%s%s touchDisabled=%s" 1184 + "]", 1185 this.getClass().getSimpleName(), 1186 getExpandedHeight(), 1187 getMaxPanelHeight(), 1188 mClosing?"T":"f", 1189 mTracking?"T":"f", 1190 mJustPeeked?"T":"f", 1191 mPeekAnimator, ((mPeekAnimator!=null && mPeekAnimator.isStarted())?" (started)":""), 1192 mHeightAnimator, ((mHeightAnimator !=null && mHeightAnimator.isStarted())?" (started)":""), 1193 mTouchDisabled?"T":"f" 1194 )); 1195 } 1196 1197 public abstract void resetViews(); 1198 1199 protected abstract float getPeekHeight(); 1200 /** 1201 * @return whether "Clear all" button will be visible when the panel is fully expanded 1202 */ 1203 protected abstract boolean fullyExpandedClearAllVisible(); 1204 1205 protected abstract boolean isClearAllVisible(); 1206 1207 /** 1208 * @return the height of the clear all button, in pixels 1209 */ 1210 protected abstract int getClearAllHeight(); 1211 1212 public void setHeadsUpManager(HeadsUpManager headsUpManager) { 1213 mHeadsUpManager = headsUpManager; 1214 } 1215 } 1216
