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.os.VibrationEffect; 28 import android.util.AttributeSet; 29 import android.util.Log; 30 import android.view.InputDevice; 31 import android.view.MotionEvent; 32 import android.view.View; 33 import android.view.ViewConfiguration; 34 import android.view.ViewTreeObserver; 35 import android.view.animation.Interpolator; 36 import android.widget.FrameLayout; 37 38 import com.android.internal.logging.nano.MetricsProto.MetricsEvent; 39 import com.android.internal.util.LatencyTracker; 40 import com.android.systemui.DejankUtils; 41 import com.android.systemui.Dependency; 42 import com.android.systemui.Interpolators; 43 import com.android.systemui.R; 44 import com.android.systemui.classifier.FalsingManager; 45 import com.android.systemui.doze.DozeLog; 46 import com.android.systemui.statusbar.FlingAnimationUtils; 47 import com.android.systemui.statusbar.StatusBarState; 48 import com.android.systemui.statusbar.VibratorHelper; 49 50 import java.io.FileDescriptor; 51 import java.io.PrintWriter; 52 import java.util.function.BiConsumer; 53 54 public abstract class PanelView extends FrameLayout { 55 public static final boolean DEBUG = PanelBar.DEBUG; 56 public static final String TAG = PanelView.class.getSimpleName(); 57 private static final int INITIAL_OPENING_PEEK_DURATION = 200; 58 private static final int PEEK_ANIMATION_DURATION = 360; 59 private static final int NO_FIXED_DURATION = -1; 60 private long mDownTime; 61 private float mMinExpandHeight; 62 private LockscreenGestureLogger mLockscreenGestureLogger = new LockscreenGestureLogger(); 63 private boolean mPanelUpdateWhenAnimatorEnds; 64 private boolean mVibrateOnOpening; 65 protected boolean mLaunchingNotification; 66 private int mFixedDuration = NO_FIXED_DURATION; 67 private BiConsumer<Float, Boolean> mExpansionListener; 68 69 private final void logf(String fmt, Object... args) { 70 Log.v(TAG, (mViewName != null ? (mViewName + ": ") : "") + String.format(fmt, args)); 71 } 72 73 protected StatusBar mStatusBar; 74 protected HeadsUpManagerPhone mHeadsUpManager; 75 76 private float mPeekHeight; 77 private float mHintDistance; 78 private float mInitialOffsetOnTouch; 79 private boolean mCollapsedAndHeadsUpOnDown; 80 private float mExpandedFraction = 0; 81 protected float mExpandedHeight = 0; 82 private boolean mPanelClosedOnDown; 83 private boolean mHasLayoutedSinceDown; 84 private float mUpdateFlingVelocity; 85 private boolean mUpdateFlingOnLayout; 86 private boolean mPeekTouching; 87 private boolean mJustPeeked; 88 private boolean mClosing; 89 protected boolean mTracking; 90 private boolean mTouchSlopExceeded; 91 private int mTrackingPointer; 92 protected int mTouchSlop; 93 protected boolean mHintAnimationRunning; 94 private boolean mOverExpandedBeforeFling; 95 private boolean mTouchAboveFalsingThreshold; 96 private int mUnlockFalsingThreshold; 97 private boolean mTouchStartedInEmptyArea; 98 private boolean mMotionAborted; 99 private boolean mUpwardsWhenTresholdReached; 100 private boolean mAnimatingOnDown; 101 102 private ValueAnimator mHeightAnimator; 103 private ObjectAnimator mPeekAnimator; 104 private VelocityTrackerInterface mVelocityTracker; 105 private FlingAnimationUtils mFlingAnimationUtils; 106 private FlingAnimationUtils mFlingAnimationUtilsClosing; 107 private FlingAnimationUtils mFlingAnimationUtilsDismissing; 108 private FalsingManager mFalsingManager; 109 private final VibratorHelper mVibratorHelper; 110 111 /** 112 * Whether an instant expand request is currently pending and we are just waiting for layout. 113 */ 114 private boolean mInstantExpanding; 115 private boolean mAnimateAfterExpanding; 116 117 PanelBar mBar; 118 119 private String mViewName; 120 private float mInitialTouchY; 121 private float mInitialTouchX; 122 private boolean mTouchDisabled; 123 124 /** 125 * Whether or not the PanelView can be expanded or collapsed with a drag. 126 */ 127 private boolean mNotificationsDragEnabled; 128 129 private Interpolator mBounceInterpolator; 130 protected KeyguardBottomAreaView mKeyguardBottomArea; 131 132 /** 133 * Speed-up factor to be used when {@link #mFlingCollapseRunnable} runs the next time. 134 */ 135 private float mNextCollapseSpeedUpFactor = 1.0f; 136 137 protected boolean mExpanding; 138 private boolean mGestureWaitForTouchSlop; 139 private boolean mIgnoreXTouchSlop; 140 private boolean mExpandLatencyTracking; 141 142 protected void onExpandingFinished() { 143 mBar.onExpandingFinished(); 144 } 145 146 protected void onExpandingStarted() { 147 } 148 149 private void notifyExpandingStarted() { 150 if (!mExpanding) { 151 mExpanding = true; 152 onExpandingStarted(); 153 } 154 } 155 156 protected final void notifyExpandingFinished() { 157 endClosing(); 158 if (mExpanding) { 159 mExpanding = false; 160 onExpandingFinished(); 161 } 162 } 163 164 private void runPeekAnimation(long duration, float peekHeight, boolean collapseWhenFinished) { 165 mPeekHeight = peekHeight; 166 if (DEBUG) logf("peek to height=%.1f", mPeekHeight); 167 if (mHeightAnimator != null) { 168 return; 169 } 170 if (mPeekAnimator != null) { 171 mPeekAnimator.cancel(); 172 } 173 mPeekAnimator = ObjectAnimator.ofFloat(this, "expandedHeight", mPeekHeight) 174 .setDuration(duration); 175 mPeekAnimator.setInterpolator(Interpolators.LINEAR_OUT_SLOW_IN); 176 mPeekAnimator.addListener(new AnimatorListenerAdapter() { 177 private boolean mCancelled; 178 179 @Override 180 public void onAnimationCancel(Animator animation) { 181 mCancelled = true; 182 } 183 184 @Override 185 public void onAnimationEnd(Animator animation) { 186 mPeekAnimator = null; 187 if (!mCancelled && collapseWhenFinished) { 188 postOnAnimation(mPostCollapseRunnable); 189 } 190 191 } 192 }); 193 notifyExpandingStarted(); 194 mPeekAnimator.start(); 195 mJustPeeked = true; 196 } 197 198 public PanelView(Context context, AttributeSet attrs) { 199 super(context, attrs); 200 mFlingAnimationUtils = new FlingAnimationUtils(context, 0.6f /* maxLengthSeconds */, 201 0.6f /* speedUpFactor */); 202 mFlingAnimationUtilsClosing = new FlingAnimationUtils(context, 0.5f /* maxLengthSeconds */, 203 0.6f /* speedUpFactor */); 204 mFlingAnimationUtilsDismissing = new FlingAnimationUtils(context, 205 0.5f /* maxLengthSeconds */, 0.2f /* speedUpFactor */, 0.6f /* x2 */, 206 0.84f /* y2 */); 207 mBounceInterpolator = new BounceInterpolator(); 208 mFalsingManager = FalsingManager.getInstance(context); 209 mNotificationsDragEnabled = 210 getResources().getBoolean(R.bool.config_enableNotificationShadeDrag); 211 mVibratorHelper = Dependency.get(VibratorHelper.class); 212 mVibrateOnOpening = mContext.getResources().getBoolean( 213 R.bool.config_vibrateOnIconAnimation); 214 } 215 216 protected void loadDimens() { 217 final Resources res = getContext().getResources(); 218 final ViewConfiguration configuration = ViewConfiguration.get(getContext()); 219 mTouchSlop = configuration.getScaledTouchSlop(); 220 mHintDistance = res.getDimension(R.dimen.hint_move_distance); 221 mUnlockFalsingThreshold = res.getDimensionPixelSize(R.dimen.unlock_falsing_threshold); 222 } 223 224 private void trackMovement(MotionEvent event) { 225 // Add movement to velocity tracker using raw screen X and Y coordinates instead 226 // of window coordinates because the window frame may be moving at the same time. 227 float deltaX = event.getRawX() - event.getX(); 228 float deltaY = event.getRawY() - event.getY(); 229 event.offsetLocation(deltaX, deltaY); 230 if (mVelocityTracker != null) mVelocityTracker.addMovement(event); 231 event.offsetLocation(-deltaX, -deltaY); 232 } 233 234 public void setTouchDisabled(boolean disabled) { 235 mTouchDisabled = disabled; 236 if (mTouchDisabled) { 237 cancelHeightAnimator(); 238 if (mTracking) { 239 onTrackingStopped(true /* expanded */); 240 } 241 notifyExpandingFinished(); 242 } 243 } 244 245 public void startExpandLatencyTracking() { 246 if (LatencyTracker.isEnabled(mContext)) { 247 LatencyTracker.getInstance(mContext).onActionStart( 248 LatencyTracker.ACTION_EXPAND_PANEL); 249 mExpandLatencyTracking = true; 250 } 251 } 252 253 @Override 254 public boolean onTouchEvent(MotionEvent event) { 255 if (mInstantExpanding 256 || (mTouchDisabled && event.getActionMasked() != MotionEvent.ACTION_CANCEL) 257 || (mMotionAborted && event.getActionMasked() != MotionEvent.ACTION_DOWN)) { 258 return false; 259 } 260 261 // If dragging should not expand the notifications shade, then return false. 262 if (!mNotificationsDragEnabled) { 263 if (mTracking) { 264 // Turn off tracking if it's on or the shade can get stuck in the down position. 265 onTrackingStopped(true /* expand */); 266 } 267 return false; 268 } 269 270 // On expanding, single mouse click expands the panel instead of dragging. 271 if (isFullyCollapsed() && event.isFromSource(InputDevice.SOURCE_MOUSE)) { 272 if (event.getAction() == MotionEvent.ACTION_UP) { 273 expand(true); 274 } 275 return true; 276 } 277 278 /* 279 * We capture touch events here and update the expand height here in case according to 280 * the users fingers. This also handles multi-touch. 281 * 282 * If the user just clicks shortly, we show a quick peek of the shade. 283 * 284 * Flinging is also enabled in order to open or close the shade. 285 */ 286 287 int pointerIndex = event.findPointerIndex(mTrackingPointer); 288 if (pointerIndex < 0) { 289 pointerIndex = 0; 290 mTrackingPointer = event.getPointerId(pointerIndex); 291 } 292 final float x = event.getX(pointerIndex); 293 final float y = event.getY(pointerIndex); 294 295 if (event.getActionMasked() == MotionEvent.ACTION_DOWN) { 296 mGestureWaitForTouchSlop = isFullyCollapsed() || hasConflictingGestures(); 297 mIgnoreXTouchSlop = isFullyCollapsed() || shouldGestureIgnoreXTouchSlop(x, y); 298 } 299 300 switch (event.getActionMasked()) { 301 case MotionEvent.ACTION_DOWN: 302 startExpandMotion(x, y, false /* startTracking */, mExpandedHeight); 303 mJustPeeked = false; 304 mMinExpandHeight = 0.0f; 305 mPanelClosedOnDown = isFullyCollapsed(); 306 mHasLayoutedSinceDown = false; 307 mUpdateFlingOnLayout = false; 308 mMotionAborted = false; 309 mPeekTouching = mPanelClosedOnDown; 310 mDownTime = SystemClock.uptimeMillis(); 311 mTouchAboveFalsingThreshold = false; 312 mCollapsedAndHeadsUpOnDown = isFullyCollapsed() 313 && mHeadsUpManager.hasPinnedHeadsUp(); 314 if (mVelocityTracker == null) { 315 initVelocityTracker(); 316 } 317 trackMovement(event); 318 if (!mGestureWaitForTouchSlop || (mHeightAnimator != null && !mHintAnimationRunning) 319 || mPeekAnimator != null) { 320 mTouchSlopExceeded = (mHeightAnimator != null && !mHintAnimationRunning) 321 || mPeekAnimator != null; 322 cancelHeightAnimator(); 323 cancelPeek(); 324 onTrackingStarted(); 325 } 326 if (isFullyCollapsed() && !mHeadsUpManager.hasPinnedHeadsUp() 327 && !mStatusBar.isBouncerShowing()) { 328 startOpening(event); 329 } 330 break; 331 332 case MotionEvent.ACTION_POINTER_UP: 333 final int upPointer = event.getPointerId(event.getActionIndex()); 334 if (mTrackingPointer == upPointer) { 335 // gesture is ongoing, find a new pointer to track 336 final int newIndex = event.getPointerId(0) != upPointer ? 0 : 1; 337 final float newY = event.getY(newIndex); 338 final float newX = event.getX(newIndex); 339 mTrackingPointer = event.getPointerId(newIndex); 340 startExpandMotion(newX, newY, true /* startTracking */, mExpandedHeight); 341 } 342 break; 343 case MotionEvent.ACTION_POINTER_DOWN: 344 if (mStatusBar.getBarState() == StatusBarState.KEYGUARD) { 345 mMotionAborted = true; 346 endMotionEvent(event, x, y, true /* forceCancel */); 347 return false; 348 } 349 break; 350 case MotionEvent.ACTION_MOVE: 351 trackMovement(event); 352 float h = y - mInitialTouchY; 353 354 // If the panel was collapsed when touching, we only need to check for the 355 // y-component of the gesture, as we have no conflicting horizontal gesture. 356 if (Math.abs(h) > mTouchSlop 357 && (Math.abs(h) > Math.abs(x - mInitialTouchX) 358 || mIgnoreXTouchSlop)) { 359 mTouchSlopExceeded = true; 360 if (mGestureWaitForTouchSlop && !mTracking && !mCollapsedAndHeadsUpOnDown) { 361 if (!mJustPeeked && mInitialOffsetOnTouch != 0f) { 362 startExpandMotion(x, y, false /* startTracking */, mExpandedHeight); 363 h = 0; 364 } 365 cancelHeightAnimator(); 366 onTrackingStarted(); 367 } 368 } 369 float newHeight = Math.max(0, h + mInitialOffsetOnTouch); 370 if (newHeight > mPeekHeight) { 371 if (mPeekAnimator != null) { 372 mPeekAnimator.cancel(); 373 } 374 mJustPeeked = false; 375 } else if (mPeekAnimator == null && mJustPeeked) { 376 // The initial peek has finished, but we haven't dragged as far yet, lets 377 // speed it up by starting at the peek height. 378 mInitialOffsetOnTouch = mExpandedHeight; 379 mInitialTouchY = y; 380 mMinExpandHeight = mExpandedHeight; 381 mJustPeeked = false; 382 } 383 newHeight = Math.max(newHeight, mMinExpandHeight); 384 if (-h >= getFalsingThreshold()) { 385 mTouchAboveFalsingThreshold = true; 386 mUpwardsWhenTresholdReached = isDirectionUpwards(x, y); 387 } 388 if (!mJustPeeked && (!mGestureWaitForTouchSlop || mTracking) && 389 !isTrackingBlocked()) { 390 setExpandedHeightInternal(newHeight); 391 } 392 break; 393 394 case MotionEvent.ACTION_UP: 395 case MotionEvent.ACTION_CANCEL: 396 trackMovement(event); 397 endMotionEvent(event, x, y, false /* forceCancel */); 398 break; 399 } 400 return !mGestureWaitForTouchSlop || mTracking; 401 } 402 403 private void startOpening(MotionEvent event) { 404 runPeekAnimation(INITIAL_OPENING_PEEK_DURATION, getOpeningHeight(), 405 false /* collapseWhenFinished */); 406 notifyBarPanelExpansionChanged(); 407 if (mVibrateOnOpening) { 408 mVibratorHelper.vibrate(VibrationEffect.EFFECT_TICK); 409 } 410 411 //TODO: keyguard opens QS a different way; log that too? 412 413 // Log the position of the swipe that opened the panel 414 float width = mStatusBar.getDisplayWidth(); 415 float height = mStatusBar.getDisplayHeight(); 416 int rot = mStatusBar.getRotation(); 417 418 mLockscreenGestureLogger.writeAtFractionalPosition(MetricsEvent.ACTION_PANEL_VIEW_EXPAND, 419 (int) (event.getX() / width * 100), 420 (int) (event.getY() / height * 100), 421 rot); 422 } 423 424 protected abstract float getOpeningHeight(); 425 426 /** 427 * @return whether the swiping direction is upwards and above a 45 degree angle compared to the 428 * horizontal direction 429 */ 430 private boolean isDirectionUpwards(float x, float y) { 431 float xDiff = x - mInitialTouchX; 432 float yDiff = y - mInitialTouchY; 433 if (yDiff >= 0) { 434 return false; 435 } 436 return Math.abs(yDiff) >= Math.abs(xDiff); 437 } 438 439 protected void startExpandingFromPeek() { 440 mStatusBar.handlePeekToExpandTransistion(); 441 } 442 443 protected void startExpandMotion(float newX, float newY, boolean startTracking, 444 float expandedHeight) { 445 mInitialOffsetOnTouch = expandedHeight; 446 mInitialTouchY = newY; 447 mInitialTouchX = newX; 448 if (startTracking) { 449 mTouchSlopExceeded = true; 450 setExpandedHeight(mInitialOffsetOnTouch); 451 onTrackingStarted(); 452 } 453 } 454 455 private void endMotionEvent(MotionEvent event, float x, float y, boolean forceCancel) { 456 mTrackingPointer = -1; 457 if ((mTracking && mTouchSlopExceeded) 458 || Math.abs(x - mInitialTouchX) > mTouchSlop 459 || Math.abs(y - mInitialTouchY) > mTouchSlop 460 || event.getActionMasked() == MotionEvent.ACTION_CANCEL 461 || forceCancel) { 462 float vel = 0f; 463 float vectorVel = 0f; 464 if (mVelocityTracker != null) { 465 mVelocityTracker.computeCurrentVelocity(1000); 466 vel = mVelocityTracker.getYVelocity(); 467 vectorVel = (float) Math.hypot( 468 mVelocityTracker.getXVelocity(), mVelocityTracker.getYVelocity()); 469 } 470 boolean expand = flingExpands(vel, vectorVel, x, y) 471 || event.getActionMasked() == MotionEvent.ACTION_CANCEL 472 || forceCancel; 473 DozeLog.traceFling(expand, mTouchAboveFalsingThreshold, 474 mStatusBar.isFalsingThresholdNeeded(), 475 mStatusBar.isWakeUpComingFromTouch()); 476 // Log collapse gesture if on lock screen. 477 if (!expand && mStatusBar.getBarState() == StatusBarState.KEYGUARD) { 478 float displayDensity = mStatusBar.getDisplayDensity(); 479 int heightDp = (int) Math.abs((y - mInitialTouchY) / displayDensity); 480 int velocityDp = (int) Math.abs(vel / displayDensity); 481 mLockscreenGestureLogger.write( 482 MetricsEvent.ACTION_LS_UNLOCK, 483 heightDp, velocityDp); 484 } 485 fling(vel, expand, isFalseTouch(x, y)); 486 onTrackingStopped(expand); 487 mUpdateFlingOnLayout = expand && mPanelClosedOnDown && !mHasLayoutedSinceDown; 488 if (mUpdateFlingOnLayout) { 489 mUpdateFlingVelocity = vel; 490 } 491 } else if (mPanelClosedOnDown && !mHeadsUpManager.hasPinnedHeadsUp() && !mTracking 492 && !mStatusBar.isBouncerShowing() && !mStatusBar.isKeyguardFadingAway()) { 493 long timePassed = SystemClock.uptimeMillis() - mDownTime; 494 if (timePassed < ViewConfiguration.getLongPressTimeout()) { 495 // Lets show the user that he can actually expand the panel 496 runPeekAnimation(PEEK_ANIMATION_DURATION, getPeekHeight(), true /* collapseWhenFinished */); 497 } else { 498 // We need to collapse the panel since we peeked to the small height. 499 postOnAnimation(mPostCollapseRunnable); 500 } 501 } else if (!mStatusBar.isBouncerShowing()) { 502 boolean expands = onEmptySpaceClick(mInitialTouchX); 503 onTrackingStopped(expands); 504 } 505 506 if (mVelocityTracker != null) { 507 mVelocityTracker.recycle(); 508 mVelocityTracker = null; 509 } 510 mPeekTouching = false; 511 } 512 513 protected float getCurrentExpandVelocity() { 514 if (mVelocityTracker == null) { 515 return 0; 516 } 517 mVelocityTracker.computeCurrentVelocity(1000); 518 return mVelocityTracker.getYVelocity(); 519 } 520 521 private int getFalsingThreshold() { 522 float factor = mStatusBar.isWakeUpComingFromTouch() ? 1.5f : 1.0f; 523 return (int) (mUnlockFalsingThreshold * factor); 524 } 525 526 protected abstract boolean hasConflictingGestures(); 527 528 protected abstract boolean shouldGestureIgnoreXTouchSlop(float x, float y); 529 530 protected void onTrackingStopped(boolean expand) { 531 mTracking = false; 532 mBar.onTrackingStopped(expand); 533 notifyBarPanelExpansionChanged(); 534 } 535 536 protected void onTrackingStarted() { 537 endClosing(); 538 mTracking = true; 539 mBar.onTrackingStarted(); 540 notifyExpandingStarted(); 541 notifyBarPanelExpansionChanged(); 542 } 543 544 @Override 545 public boolean onInterceptTouchEvent(MotionEvent event) { 546 if (mInstantExpanding || !mNotificationsDragEnabled || mTouchDisabled 547 || (mMotionAborted && event.getActionMasked() != MotionEvent.ACTION_DOWN)) { 548 return false; 549 } 550 551 /* 552 * If the user drags anywhere inside the panel we intercept it if the movement is 553 * upwards. This allows closing the shade from anywhere inside the panel. 554 * 555 * We only do this if the current content is scrolled to the bottom, 556 * i.e isScrolledToBottom() is true and therefore there is no conflicting scrolling gesture 557 * possible. 558 */ 559 int pointerIndex = event.findPointerIndex(mTrackingPointer); 560 if (pointerIndex < 0) { 561 pointerIndex = 0; 562 mTrackingPointer = event.getPointerId(pointerIndex); 563 } 564 final float x = event.getX(pointerIndex); 565 final float y = event.getY(pointerIndex); 566 boolean scrolledToBottom = isScrolledToBottom(); 567 568 switch (event.getActionMasked()) { 569 case MotionEvent.ACTION_DOWN: 570 mStatusBar.userActivity(); 571 mAnimatingOnDown = mHeightAnimator != null; 572 mMinExpandHeight = 0.0f; 573 mDownTime = SystemClock.uptimeMillis(); 574 if (mAnimatingOnDown && mClosing && !mHintAnimationRunning 575 || mPeekAnimator != null) { 576 cancelHeightAnimator(); 577 cancelPeek(); 578 mTouchSlopExceeded = true; 579 return true; 580 } 581 mInitialTouchY = y; 582 mInitialTouchX = x; 583 mTouchStartedInEmptyArea = !isInContentBounds(x, y); 584 mTouchSlopExceeded = false; 585 mJustPeeked = false; 586 mMotionAborted = false; 587 mPanelClosedOnDown = isFullyCollapsed(); 588 mCollapsedAndHeadsUpOnDown = false; 589 mHasLayoutedSinceDown = false; 590 mUpdateFlingOnLayout = false; 591 mTouchAboveFalsingThreshold = false; 592 initVelocityTracker(); 593 trackMovement(event); 594 break; 595 case MotionEvent.ACTION_POINTER_UP: 596 final int upPointer = event.getPointerId(event.getActionIndex()); 597 if (mTrackingPointer == upPointer) { 598 // gesture is ongoing, find a new pointer to track 599 final int newIndex = event.getPointerId(0) != upPointer ? 0 : 1; 600 mTrackingPointer = event.getPointerId(newIndex); 601 mInitialTouchX = event.getX(newIndex); 602 mInitialTouchY = event.getY(newIndex); 603 } 604 break; 605 case MotionEvent.ACTION_POINTER_DOWN: 606 if (mStatusBar.getBarState() == StatusBarState.KEYGUARD) { 607 mMotionAborted = true; 608 if (mVelocityTracker != null) { 609 mVelocityTracker.recycle(); 610 mVelocityTracker = null; 611 } 612 } 613 break; 614 case MotionEvent.ACTION_MOVE: 615 final float h = y - mInitialTouchY; 616 trackMovement(event); 617 if (scrolledToBottom || mTouchStartedInEmptyArea || mAnimatingOnDown) { 618 float hAbs = Math.abs(h); 619 if ((h < -mTouchSlop || (mAnimatingOnDown && hAbs > mTouchSlop)) 620 && hAbs > Math.abs(x - mInitialTouchX)) { 621 cancelHeightAnimator(); 622 startExpandMotion(x, y, true /* startTracking */, mExpandedHeight); 623 return true; 624 } 625 } 626 break; 627 case MotionEvent.ACTION_CANCEL: 628 case MotionEvent.ACTION_UP: 629 if (mVelocityTracker != null) { 630 mVelocityTracker.recycle(); 631 mVelocityTracker = null; 632 } 633 break; 634 } 635 return false; 636 } 637 638 /** 639 * @return Whether a pair of coordinates are inside the visible view content bounds. 640 */ 641 protected abstract boolean isInContentBounds(float x, float y); 642 643 protected void cancelHeightAnimator() { 644 if (mHeightAnimator != null) { 645 if (mHeightAnimator.isRunning()) { 646 mPanelUpdateWhenAnimatorEnds = false; 647 } 648 mHeightAnimator.cancel(); 649 } 650 endClosing(); 651 } 652 653 private void endClosing() { 654 if (mClosing) { 655 mClosing = false; 656 onClosingFinished(); 657 } 658 } 659 660 private void initVelocityTracker() { 661 if (mVelocityTracker != null) { 662 mVelocityTracker.recycle(); 663 } 664 mVelocityTracker = VelocityTrackerFactory.obtain(getContext()); 665 } 666 667 protected boolean isScrolledToBottom() { 668 return true; 669 } 670 671 protected float getContentHeight() { 672 return mExpandedHeight; 673 } 674 675 @Override 676 protected void onFinishInflate() { 677 super.onFinishInflate(); 678 loadDimens(); 679 } 680 681 @Override 682 protected void onConfigurationChanged(Configuration newConfig) { 683 super.onConfigurationChanged(newConfig); 684 loadDimens(); 685 } 686 687 /** 688 * @param vel the current vertical velocity of the motion 689 * @param vectorVel the length of the vectorial velocity 690 * @return whether a fling should expands the panel; contracts otherwise 691 */ 692 protected boolean flingExpands(float vel, float vectorVel, float x, float y) { 693 if (isFalseTouch(x, y)) { 694 return true; 695 } 696 if (Math.abs(vectorVel) < mFlingAnimationUtils.getMinVelocityPxPerSecond()) { 697 return getExpandedFraction() > 0.5f; 698 } else { 699 return vel > 0; 700 } 701 } 702 703 /** 704 * @param x the final x-coordinate when the finger was lifted 705 * @param y the final y-coordinate when the finger was lifted 706 * @return whether this motion should be regarded as a false touch 707 */ 708 private boolean isFalseTouch(float x, float y) { 709 if (!mStatusBar.isFalsingThresholdNeeded()) { 710 return false; 711 } 712 if (mFalsingManager.isClassiferEnabled()) { 713 return mFalsingManager.isFalseTouch(); 714 } 715 if (!mTouchAboveFalsingThreshold) { 716 return true; 717 } 718 if (mUpwardsWhenTresholdReached) { 719 return false; 720 } 721 return !isDirectionUpwards(x, y); 722 } 723 724 protected void fling(float vel, boolean expand) { 725 fling(vel, expand, 1.0f /* collapseSpeedUpFactor */, false); 726 } 727 728 protected void fling(float vel, boolean expand, boolean expandBecauseOfFalsing) { 729 fling(vel, expand, 1.0f /* collapseSpeedUpFactor */, expandBecauseOfFalsing); 730 } 731 732 protected void fling(float vel, boolean expand, float collapseSpeedUpFactor, 733 boolean expandBecauseOfFalsing) { 734 cancelPeek(); 735 float target = expand ? getMaxPanelHeight() : 0; 736 if (!expand) { 737 mClosing = true; 738 } 739 flingToHeight(vel, expand, target, collapseSpeedUpFactor, expandBecauseOfFalsing); 740 } 741 742 protected void flingToHeight(float vel, boolean expand, float target, 743 float collapseSpeedUpFactor, boolean expandBecauseOfFalsing) { 744 // Hack to make the expand transition look nice when clear all button is visible - we make 745 // the animation only to the last notification, and then jump to the maximum panel height so 746 // clear all just fades in and the decelerating motion is towards the last notification. 747 final boolean clearAllExpandHack = expand && fullyExpandedClearAllVisible() 748 && mExpandedHeight < getMaxPanelHeight() - getClearAllHeight() 749 && !isClearAllVisible(); 750 if (clearAllExpandHack) { 751 target = getMaxPanelHeight() - getClearAllHeight(); 752 } 753 if (target == mExpandedHeight || getOverExpansionAmount() > 0f && expand) { 754 notifyExpandingFinished(); 755 return; 756 } 757 mOverExpandedBeforeFling = getOverExpansionAmount() > 0f; 758 ValueAnimator animator = createHeightAnimator(target); 759 if (expand) { 760 if (expandBecauseOfFalsing && vel < 0) { 761 vel = 0; 762 } 763 mFlingAnimationUtils.apply(animator, mExpandedHeight, target, vel, getHeight()); 764 if (vel == 0) { 765 animator.setDuration(350); 766 } 767 } else { 768 if (shouldUseDismissingAnimation()) { 769 if (vel == 0) { 770 animator.setInterpolator(Interpolators.PANEL_CLOSE_ACCELERATED); 771 long duration = (long) (200 + mExpandedHeight / getHeight() * 100); 772 animator.setDuration(duration); 773 } else { 774 mFlingAnimationUtilsDismissing.apply(animator, mExpandedHeight, target, vel, 775 getHeight()); 776 } 777 } else { 778 mFlingAnimationUtilsClosing 779 .apply(animator, mExpandedHeight, target, vel, getHeight()); 780 } 781 782 // Make it shorter if we run a canned animation 783 if (vel == 0) { 784 animator.setDuration((long) (animator.getDuration() / collapseSpeedUpFactor)); 785 } 786 if (mFixedDuration != NO_FIXED_DURATION) { 787 animator.setDuration(mFixedDuration); 788 } 789 } 790 animator.addListener(new AnimatorListenerAdapter() { 791 private boolean mCancelled; 792 793 @Override 794 public void onAnimationCancel(Animator animation) { 795 mCancelled = true; 796 } 797 798 @Override 799 public void onAnimationEnd(Animator animation) { 800 if (clearAllExpandHack && !mCancelled) { 801 setExpandedHeightInternal(getMaxPanelHeight()); 802 } 803 setAnimator(null); 804 if (!mCancelled) { 805 notifyExpandingFinished(); 806 } 807 notifyBarPanelExpansionChanged(); 808 } 809 }); 810 setAnimator(animator); 811 animator.start(); 812 } 813 814 protected abstract boolean shouldUseDismissingAnimation(); 815 816 @Override 817 protected void onAttachedToWindow() { 818 super.onAttachedToWindow(); 819 mViewName = getResources().getResourceName(getId()); 820 } 821 822 public String getName() { 823 return mViewName; 824 } 825 826 public void setExpandedHeight(float height) { 827 if (DEBUG) logf("setExpandedHeight(%.1f)", height); 828 setExpandedHeightInternal(height + getOverExpansionPixels()); 829 } 830 831 @Override 832 protected void onLayout(boolean changed, int left, int top, int right, int bottom) { 833 super.onLayout(changed, left, top, right, bottom); 834 mStatusBar.onPanelLaidOut(); 835 requestPanelHeightUpdate(); 836 mHasLayoutedSinceDown = true; 837 if (mUpdateFlingOnLayout) { 838 abortAnimations(); 839 fling(mUpdateFlingVelocity, true /* expands */); 840 mUpdateFlingOnLayout = false; 841 } 842 } 843 844 protected void requestPanelHeightUpdate() { 845 float currentMaxPanelHeight = getMaxPanelHeight(); 846 847 if (isFullyCollapsed()) { 848 return; 849 } 850 851 if (currentMaxPanelHeight == mExpandedHeight) { 852 return; 853 } 854 855 if (mPeekAnimator != null || mPeekTouching) { 856 return; 857 } 858 859 if (mTracking && !isTrackingBlocked()) { 860 return; 861 } 862 863 if (mHeightAnimator != null) { 864 mPanelUpdateWhenAnimatorEnds = true; 865 return; 866 } 867 868 setExpandedHeight(currentMaxPanelHeight); 869 } 870 871 public void setExpandedHeightInternal(float h) { 872 if (mExpandLatencyTracking && h != 0f) { 873 DejankUtils.postAfterTraversal(() -> LatencyTracker.getInstance(mContext).onActionEnd( 874 LatencyTracker.ACTION_EXPAND_PANEL)); 875 mExpandLatencyTracking = false; 876 } 877 float fhWithoutOverExpansion = getMaxPanelHeight() - getOverExpansionAmount(); 878 if (mHeightAnimator == null) { 879 float overExpansionPixels = Math.max(0, h - fhWithoutOverExpansion); 880 if (getOverExpansionPixels() != overExpansionPixels && mTracking) { 881 setOverExpansion(overExpansionPixels, true /* isPixels */); 882 } 883 mExpandedHeight = Math.min(h, fhWithoutOverExpansion) + getOverExpansionAmount(); 884 } else { 885 mExpandedHeight = h; 886 if (mOverExpandedBeforeFling) { 887 setOverExpansion(Math.max(0, h - fhWithoutOverExpansion), false /* isPixels */); 888 } 889 } 890 891 // If we are closing the panel and we are almost there due to a slow decelerating 892 // interpolator, abort the animation. 893 if (mExpandedHeight < 1f && mExpandedHeight != 0f && mClosing) { 894 mExpandedHeight = 0f; 895 if (mHeightAnimator != null) { 896 mHeightAnimator.end(); 897 } 898 } 899 mExpandedFraction = Math.min(1f, 900 fhWithoutOverExpansion == 0 ? 0 : mExpandedHeight / fhWithoutOverExpansion); 901 onHeightUpdated(mExpandedHeight); 902 notifyBarPanelExpansionChanged(); 903 } 904 905 /** 906 * @return true if the panel tracking should be temporarily blocked; this is used when a 907 * conflicting gesture (opening QS) is happening 908 */ 909 protected abstract boolean isTrackingBlocked(); 910 911 protected abstract void setOverExpansion(float overExpansion, boolean isPixels); 912 913 protected abstract void onHeightUpdated(float expandedHeight); 914 915 protected abstract float getOverExpansionAmount(); 916 917 protected abstract float getOverExpansionPixels(); 918 919 /** 920 * This returns the maximum height of the panel. Children should override this if their 921 * desired height is not the full height. 922 * 923 * @return the default implementation simply returns the maximum height. 924 */ 925 protected abstract int getMaxPanelHeight(); 926 927 public void setExpandedFraction(float frac) { 928 setExpandedHeight(getMaxPanelHeight() * frac); 929 } 930 931 public float getExpandedHeight() { 932 return mExpandedHeight; 933 } 934 935 public float getExpandedFraction() { 936 return mExpandedFraction; 937 } 938 939 public boolean isFullyExpanded() { 940 return mExpandedHeight >= getMaxPanelHeight(); 941 } 942 943 public boolean isFullyCollapsed() { 944 return mExpandedFraction <= 0.0f; 945 } 946 947 public boolean isCollapsing() { 948 return mClosing || mLaunchingNotification; 949 } 950 951 public boolean isTracking() { 952 return mTracking; 953 } 954 955 public void setBar(PanelBar panelBar) { 956 mBar = panelBar; 957 } 958 959 public void collapse(boolean delayed, float speedUpFactor) { 960 if (DEBUG) logf("collapse: " + this); 961 if (canPanelBeCollapsed()) { 962 cancelHeightAnimator(); 963 notifyExpandingStarted(); 964 965 // Set after notifyExpandingStarted, as notifyExpandingStarted resets the closing state. 966 mClosing = true; 967 if (delayed) { 968 mNextCollapseSpeedUpFactor = speedUpFactor; 969 postDelayed(mFlingCollapseRunnable, 120); 970 } else { 971 fling(0, false /* expand */, speedUpFactor, false /* expandBecauseOfFalsing */); 972 } 973 } 974 } 975 976 public boolean canPanelBeCollapsed() { 977 return !isFullyCollapsed() && !mTracking && !mClosing; 978 } 979 980 private final Runnable mFlingCollapseRunnable = new Runnable() { 981 @Override 982 public void run() { 983 fling(0, false /* expand */, mNextCollapseSpeedUpFactor, 984 false /* expandBecauseOfFalsing */); 985 } 986 }; 987 988 public void cancelPeek() { 989 boolean cancelled = false; 990 if (mPeekAnimator != null) { 991 cancelled = true; 992 mPeekAnimator.cancel(); 993 } 994 995 if (cancelled) { 996 // When peeking, we already tell mBar that we expanded ourselves. Make sure that we also 997 // notify mBar that we might have closed ourselves. 998 notifyBarPanelExpansionChanged(); 999 } 1000 } 1001 1002 public void expand(final boolean animate) { 1003 if (!isFullyCollapsed() && !isCollapsing()) { 1004 return; 1005 } 1006 1007 mInstantExpanding = true; 1008 mAnimateAfterExpanding = animate; 1009 mUpdateFlingOnLayout = false; 1010 abortAnimations(); 1011 cancelPeek(); 1012 if (mTracking) { 1013 onTrackingStopped(true /* expands */); // The panel is expanded after this call. 1014 } 1015 if (mExpanding) { 1016 notifyExpandingFinished(); 1017 } 1018 notifyBarPanelExpansionChanged(); 1019 1020 // Wait for window manager to pickup the change, so we know the maximum height of the panel 1021 // then. 1022 getViewTreeObserver().addOnGlobalLayoutListener( 1023 new ViewTreeObserver.OnGlobalLayoutListener() { 1024 @Override 1025 public void onGlobalLayout() { 1026 if (!mInstantExpanding) { 1027 getViewTreeObserver().removeOnGlobalLayoutListener(this); 1028 return; 1029 } 1030 if (mStatusBar.getStatusBarWindow().getHeight() 1031 != mStatusBar.getStatusBarHeight()) { 1032 getViewTreeObserver().removeOnGlobalLayoutListener(this); 1033 if (mAnimateAfterExpanding) { 1034 notifyExpandingStarted(); 1035 fling(0, true /* expand */); 1036 } else { 1037 setExpandedFraction(1f); 1038 } 1039 mInstantExpanding = false; 1040 } 1041 } 1042 }); 1043 1044 // Make sure a layout really happens. 1045 requestLayout(); 1046 } 1047 1048 public void instantCollapse() { 1049 abortAnimations(); 1050 setExpandedFraction(0f); 1051 if (mExpanding) { 1052 notifyExpandingFinished(); 1053 } 1054 if (mInstantExpanding) { 1055 mInstantExpanding = false; 1056 notifyBarPanelExpansionChanged(); 1057 } 1058 } 1059 1060 private void abortAnimations() { 1061 cancelPeek(); 1062 cancelHeightAnimator(); 1063 removeCallbacks(mPostCollapseRunnable); 1064 removeCallbacks(mFlingCollapseRunnable); 1065 } 1066 1067 protected void onClosingFinished() { 1068 mBar.onClosingFinished(); 1069 } 1070 1071 1072 protected void startUnlockHintAnimation() { 1073 1074 // We don't need to hint the user if an animation is already running or the user is changing 1075 // the expansion. 1076 if (mHeightAnimator != null || mTracking) { 1077 return; 1078 } 1079 cancelPeek(); 1080 notifyExpandingStarted(); 1081 startUnlockHintAnimationPhase1(() -> { 1082 notifyExpandingFinished(); 1083 onUnlockHintFinished(); 1084 mHintAnimationRunning = false; 1085 }); 1086 onUnlockHintStarted(); 1087 mHintAnimationRunning = true; 1088 } 1089 1090 protected void onUnlockHintFinished() { 1091 mStatusBar.onHintFinished(); 1092 } 1093 1094 protected void onUnlockHintStarted() { 1095 mStatusBar.onUnlockHintStarted(); 1096 } 1097 1098 public boolean isUnlockHintRunning() { 1099 return mHintAnimationRunning; 1100 } 1101 1102 /** 1103 * Phase 1: Move everything upwards. 1104 */ 1105 private void startUnlockHintAnimationPhase1(final Runnable onAnimationFinished) { 1106 float target = Math.max(0, getMaxPanelHeight() - mHintDistance); 1107 ValueAnimator animator = createHeightAnimator(target); 1108 animator.setDuration(250); 1109 animator.setInterpolator(Interpolators.FAST_OUT_SLOW_IN); 1110 animator.addListener(new AnimatorListenerAdapter() { 1111 private boolean mCancelled; 1112 1113 @Override 1114 public void onAnimationCancel(Animator animation) { 1115 mCancelled = true; 1116 } 1117 1118 @Override 1119 public void onAnimationEnd(Animator animation) { 1120 if (mCancelled) { 1121 setAnimator(null); 1122 onAnimationFinished.run(); 1123 } else { 1124 startUnlockHintAnimationPhase2(onAnimationFinished); 1125 } 1126 } 1127 }); 1128 animator.start(); 1129 setAnimator(animator); 1130 1131 View[] viewsToAnimate = { 1132 mKeyguardBottomArea.getIndicationArea(), 1133 mStatusBar.getAmbientIndicationContainer()}; 1134 for (View v : viewsToAnimate) { 1135 if (v == null) { 1136 continue; 1137 } 1138 v.animate() 1139 .translationY(-mHintDistance) 1140 .setDuration(250) 1141 .setInterpolator(Interpolators.FAST_OUT_SLOW_IN) 1142 .withEndAction(() -> v.animate() 1143 .translationY(0) 1144 .setDuration(450) 1145 .setInterpolator(mBounceInterpolator) 1146 .start()) 1147 .start(); 1148 } 1149 } 1150 1151 private void setAnimator(ValueAnimator animator) { 1152 mHeightAnimator = animator; 1153 if (animator == null && mPanelUpdateWhenAnimatorEnds) { 1154 mPanelUpdateWhenAnimatorEnds = false; 1155 requestPanelHeightUpdate(); 1156 } 1157 } 1158 1159 /** 1160 * Phase 2: Bounce down. 1161 */ 1162 private void startUnlockHintAnimationPhase2(final Runnable onAnimationFinished) { 1163 ValueAnimator animator = createHeightAnimator(getMaxPanelHeight()); 1164 animator.setDuration(450); 1165 animator.setInterpolator(mBounceInterpolator); 1166 animator.addListener(new AnimatorListenerAdapter() { 1167 @Override 1168 public void onAnimationEnd(Animator animation) { 1169 setAnimator(null); 1170 onAnimationFinished.run(); 1171 notifyBarPanelExpansionChanged(); 1172 } 1173 }); 1174 animator.start(); 1175 setAnimator(animator); 1176 } 1177 1178 private ValueAnimator createHeightAnimator(float targetHeight) { 1179 ValueAnimator animator = ValueAnimator.ofFloat(mExpandedHeight, targetHeight); 1180 animator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() { 1181 @Override 1182 public void onAnimationUpdate(ValueAnimator animation) { 1183 setExpandedHeightInternal((Float) animation.getAnimatedValue()); 1184 } 1185 }); 1186 return animator; 1187 } 1188 1189 protected void notifyBarPanelExpansionChanged() { 1190 mBar.panelExpansionChanged(mExpandedFraction, mExpandedFraction > 0f 1191 || mPeekAnimator != null || mInstantExpanding || isPanelVisibleBecauseOfHeadsUp() 1192 || mTracking || mHeightAnimator != null); 1193 if (mExpansionListener != null) { 1194 mExpansionListener.accept(mExpandedFraction, mTracking); 1195 } 1196 } 1197 1198 public void setExpansionListener(BiConsumer<Float, Boolean> consumer) { 1199 mExpansionListener = consumer; 1200 } 1201 1202 protected abstract boolean isPanelVisibleBecauseOfHeadsUp(); 1203 1204 /** 1205 * Gets called when the user performs a click anywhere in the empty area of the panel. 1206 * 1207 * @return whether the panel will be expanded after the action performed by this method 1208 */ 1209 protected boolean onEmptySpaceClick(float x) { 1210 if (mHintAnimationRunning) { 1211 return true; 1212 } 1213 return onMiddleClicked(); 1214 } 1215 1216 protected final Runnable mPostCollapseRunnable = new Runnable() { 1217 @Override 1218 public void run() { 1219 collapse(false /* delayed */, 1.0f /* speedUpFactor */); 1220 } 1221 }; 1222 1223 protected abstract boolean onMiddleClicked(); 1224 1225 protected abstract boolean isDozing(); 1226 1227 public void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 1228 pw.println(String.format("[PanelView(%s): expandedHeight=%f maxPanelHeight=%d closing=%s" 1229 + " tracking=%s justPeeked=%s peekAnim=%s%s timeAnim=%s%s touchDisabled=%s" 1230 + "]", 1231 this.getClass().getSimpleName(), 1232 getExpandedHeight(), 1233 getMaxPanelHeight(), 1234 mClosing?"T":"f", 1235 mTracking?"T":"f", 1236 mJustPeeked?"T":"f", 1237 mPeekAnimator, ((mPeekAnimator!=null && mPeekAnimator.isStarted())?" (started)":""), 1238 mHeightAnimator, ((mHeightAnimator !=null && mHeightAnimator.isStarted())?" (started)":""), 1239 mTouchDisabled?"T":"f" 1240 )); 1241 } 1242 1243 public abstract void resetViews(); 1244 1245 protected abstract float getPeekHeight(); 1246 /** 1247 * @return whether "Clear all" button will be visible when the panel is fully expanded 1248 */ 1249 protected abstract boolean fullyExpandedClearAllVisible(); 1250 1251 protected abstract boolean isClearAllVisible(); 1252 1253 /** 1254 * @return the height of the clear all button, in pixels 1255 */ 1256 protected abstract int getClearAllHeight(); 1257 1258 public void setHeadsUpManager(HeadsUpManagerPhone headsUpManager) { 1259 mHeadsUpManager = headsUpManager; 1260 } 1261 1262 public void setLaunchingNotification(boolean launchingNotification) { 1263 mLaunchingNotification = launchingNotification; 1264 } 1265 1266 public void collapseWithDuration(int animationDuration) { 1267 mFixedDuration = animationDuration; 1268 collapse(false /* delayed */, 1.0f /* speedUpFactor */); 1269 mFixedDuration = NO_FIXED_DURATION; 1270 } 1271 } 1272
