PanelView.java revision d8535869933dfc0e5f0478e3e8f05aed5094a3a5
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 17package com.android.systemui.statusbar.phone; 18 19import android.animation.Animator; 20import android.animation.AnimatorListenerAdapter; 21import android.animation.ObjectAnimator; 22import android.animation.ValueAnimator; 23import android.content.Context; 24import android.content.res.Configuration; 25import android.content.res.Resources; 26import android.util.AttributeSet; 27import android.util.Log; 28import android.view.MotionEvent; 29import android.view.ViewConfiguration; 30import android.view.ViewTreeObserver; 31import android.view.animation.AnimationUtils; 32import android.view.animation.Interpolator; 33import android.widget.FrameLayout; 34 35import com.android.systemui.EventLogConstants; 36import com.android.systemui.EventLogTags; 37import com.android.systemui.R; 38import com.android.systemui.doze.DozeLog; 39import com.android.systemui.statusbar.FlingAnimationUtils; 40import com.android.systemui.statusbar.StatusBarState; 41import com.android.systemui.statusbar.policy.HeadsUpManager; 42 43import java.io.FileDescriptor; 44import java.io.PrintWriter; 45 46public abstract class PanelView extends FrameLayout { 47 public static final boolean DEBUG = PanelBar.DEBUG; 48 public static final String TAG = PanelView.class.getSimpleName(); 49 protected HeadsUpManager mHeadsUpManager; 50 51 private final void logf(String fmt, Object... args) { 52 Log.v(TAG, (mViewName != null ? (mViewName + ": ") : "") + String.format(fmt, args)); 53 } 54 55 protected PhoneStatusBar mStatusBar; 56 private float mPeekHeight; 57 private float mHintDistance; 58 private int mEdgeTapAreaWidth; 59 private float mInitialOffsetOnTouch; 60 private float mExpandedFraction = 0; 61 protected float mExpandedHeight = 0; 62 private boolean mPanelClosedOnDown; 63 private boolean mHasLayoutedSinceDown; 64 private float mUpdateFlingVelocity; 65 private boolean mUpdateFlingOnLayout; 66 private boolean mPeekTouching; 67 private boolean mJustPeeked; 68 private boolean mClosing; 69 protected boolean mTracking; 70 private boolean mTouchSlopExceeded; 71 private int mTrackingPointer; 72 protected int mTouchSlop; 73 protected boolean mHintAnimationRunning; 74 private boolean mOverExpandedBeforeFling; 75 private boolean mTouchAboveFalsingThreshold; 76 private int mUnlockFalsingThreshold; 77 private boolean mTouchStartedInEmptyArea; 78 private boolean mMotionAborted; 79 80 private ValueAnimator mHeightAnimator; 81 private ObjectAnimator mPeekAnimator; 82 private VelocityTrackerInterface mVelocityTracker; 83 private FlingAnimationUtils mFlingAnimationUtils; 84 85 /** 86 * Whether an instant expand request is currently pending and we are just waiting for layout. 87 */ 88 private boolean mInstantExpanding; 89 90 PanelBar mBar; 91 92 private String mViewName; 93 private float mInitialTouchY; 94 private float mInitialTouchX; 95 private boolean mTouchDisabled; 96 97 private Interpolator mLinearOutSlowInInterpolator; 98 private Interpolator mFastOutSlowInInterpolator; 99 private Interpolator mBounceInterpolator; 100 protected KeyguardBottomAreaView mKeyguardBottomArea; 101 102 private boolean mPeekPending; 103 private boolean mCollapseAfterPeek; 104 private boolean mExpanding; 105 private boolean mGestureWaitForTouchSlop; 106 private Runnable mPeekRunnable = new Runnable() { 107 @Override 108 public void run() { 109 mPeekPending = false; 110 runPeekAnimation(); 111 } 112 }; 113 114 protected void onExpandingFinished() { 115 endClosing(); 116 mBar.onExpandingFinished(); 117 } 118 119 protected void onExpandingStarted() { 120 } 121 122 private void notifyExpandingStarted() { 123 if (!mExpanding) { 124 mExpanding = true; 125 onExpandingStarted(); 126 } 127 } 128 129 private void notifyExpandingFinished() { 130 if (mExpanding) { 131 mExpanding = false; 132 onExpandingFinished(); 133 } 134 } 135 136 private void schedulePeek() { 137 mPeekPending = true; 138 long timeout = ViewConfiguration.getTapTimeout(); 139 postOnAnimationDelayed(mPeekRunnable, timeout); 140 notifyBarPanelExpansionChanged(); 141 } 142 143 private void runPeekAnimation() { 144 mPeekHeight = getPeekHeight(); 145 if (DEBUG) logf("peek to height=%.1f", mPeekHeight); 146 if (mHeightAnimator != null) { 147 return; 148 } 149 mPeekAnimator = ObjectAnimator.ofFloat(this, "expandedHeight", mPeekHeight) 150 .setDuration(250); 151 mPeekAnimator.setInterpolator(mLinearOutSlowInInterpolator); 152 mPeekAnimator.addListener(new AnimatorListenerAdapter() { 153 private boolean mCancelled; 154 155 @Override 156 public void onAnimationCancel(Animator animation) { 157 mCancelled = true; 158 } 159 160 @Override 161 public void onAnimationEnd(Animator animation) { 162 mPeekAnimator = null; 163 if (mCollapseAfterPeek && !mCancelled) { 164 postOnAnimation(new Runnable() { 165 @Override 166 public void run() { 167 collapse(false /* delayed */); 168 } 169 }); 170 } 171 mCollapseAfterPeek = false; 172 } 173 }); 174 notifyExpandingStarted(); 175 mPeekAnimator.start(); 176 mJustPeeked = true; 177 } 178 179 public PanelView(Context context, AttributeSet attrs) { 180 super(context, attrs); 181 mFlingAnimationUtils = new FlingAnimationUtils(context, 0.6f); 182 mFastOutSlowInInterpolator = 183 AnimationUtils.loadInterpolator(context, android.R.interpolator.fast_out_slow_in); 184 mLinearOutSlowInInterpolator = 185 AnimationUtils.loadInterpolator(context, android.R.interpolator.linear_out_slow_in); 186 mBounceInterpolator = new BounceInterpolator(); 187 } 188 189 protected void loadDimens() { 190 final Resources res = getContext().getResources(); 191 final ViewConfiguration configuration = ViewConfiguration.get(getContext()); 192 mTouchSlop = configuration.getScaledTouchSlop(); 193 mHintDistance = res.getDimension(R.dimen.hint_move_distance); 194 mEdgeTapAreaWidth = res.getDimensionPixelSize(R.dimen.edge_tap_area_width); 195 mUnlockFalsingThreshold = res.getDimensionPixelSize(R.dimen.unlock_falsing_threshold); 196 } 197 198 private void trackMovement(MotionEvent event) { 199 // Add movement to velocity tracker using raw screen X and Y coordinates instead 200 // of window coordinates because the window frame may be moving at the same time. 201 float deltaX = event.getRawX() - event.getX(); 202 float deltaY = event.getRawY() - event.getY(); 203 event.offsetLocation(deltaX, deltaY); 204 if (mVelocityTracker != null) mVelocityTracker.addMovement(event); 205 event.offsetLocation(-deltaX, -deltaY); 206 } 207 208 public void setTouchDisabled(boolean disabled) { 209 mTouchDisabled = disabled; 210 } 211 212 @Override 213 public boolean onTouchEvent(MotionEvent event) { 214 if (mInstantExpanding || mTouchDisabled 215 || (mMotionAborted && event.getActionMasked() != MotionEvent.ACTION_DOWN)) { 216 return false; 217 } 218 219 /* 220 * We capture touch events here and update the expand height here in case according to 221 * the users fingers. This also handles multi-touch. 222 * 223 * If the user just clicks shortly, we give him a quick peek of the shade. 224 * 225 * Flinging is also enabled in order to open or close the shade. 226 */ 227 228 int pointerIndex = event.findPointerIndex(mTrackingPointer); 229 if (pointerIndex < 0) { 230 pointerIndex = 0; 231 mTrackingPointer = event.getPointerId(pointerIndex); 232 } 233 final float x = event.getX(pointerIndex); 234 final float y = event.getY(pointerIndex); 235 236 if (event.getActionMasked() == MotionEvent.ACTION_DOWN) { 237 mGestureWaitForTouchSlop = isShadeCollapsed(); 238 } 239 boolean waitForTouchSlop = hasConflictingGestures() || mGestureWaitForTouchSlop; 240 241 switch (event.getActionMasked()) { 242 case MotionEvent.ACTION_DOWN: 243 startExpandMotion(x, y, false /* startTracking */, mExpandedHeight); 244 mJustPeeked = false; 245 mPanelClosedOnDown = isShadeCollapsed(); 246 mHasLayoutedSinceDown = false; 247 mUpdateFlingOnLayout = false; 248 mMotionAborted = false; 249 mPeekTouching = mPanelClosedOnDown; 250 mTouchAboveFalsingThreshold = false; 251 if (mVelocityTracker == null) { 252 initVelocityTracker(); 253 } 254 trackMovement(event); 255 if (!waitForTouchSlop || (mHeightAnimator != null && !mHintAnimationRunning) || 256 mPeekPending || mPeekAnimator != null) { 257 cancelHeightAnimator(); 258 cancelPeek(); 259 mTouchSlopExceeded = (mHeightAnimator != null && !mHintAnimationRunning) 260 || mPeekPending || mPeekAnimator != null; 261 onTrackingStarted(); 262 } 263 if (isShadeCollapsed()) { 264 schedulePeek(); 265 } 266 break; 267 268 case MotionEvent.ACTION_POINTER_UP: 269 final int upPointer = event.getPointerId(event.getActionIndex()); 270 if (mTrackingPointer == upPointer) { 271 // gesture is ongoing, find a new pointer to track 272 final int newIndex = event.getPointerId(0) != upPointer ? 0 : 1; 273 final float newY = event.getY(newIndex); 274 final float newX = event.getX(newIndex); 275 mTrackingPointer = event.getPointerId(newIndex); 276 startExpandMotion(newX, newY, true /* startTracking */, mExpandedHeight); 277 } 278 break; 279 case MotionEvent.ACTION_POINTER_DOWN: 280 if (mStatusBar.getBarState() == StatusBarState.KEYGUARD) { 281 mMotionAborted = true; 282 endMotionEvent(event, x, y, true /* forceCancel */); 283 return false; 284 } 285 break; 286 case MotionEvent.ACTION_MOVE: 287 float h = y - mInitialTouchY; 288 289 // If the panel was collapsed when touching, we only need to check for the 290 // y-component of the gesture, as we have no conflicting horizontal gesture. 291 if (Math.abs(h) > mTouchSlop 292 && (Math.abs(h) > Math.abs(x - mInitialTouchX) 293 || mInitialOffsetOnTouch == 0f)) { 294 mTouchSlopExceeded = true; 295 if (waitForTouchSlop && !mTracking) { 296 if (!mJustPeeked && mInitialOffsetOnTouch != 0f) { 297 startExpandMotion(x, y, false /* startTracking */, mExpandedHeight); 298 h = 0; 299 } 300 cancelHeightAnimator(); 301 removeCallbacks(mPeekRunnable); 302 mPeekPending = false; 303 onTrackingStarted(); 304 } 305 } 306 final float newHeight = Math.max(0, h + mInitialOffsetOnTouch); 307 if (newHeight > mPeekHeight) { 308 if (mPeekAnimator != null) { 309 mPeekAnimator.cancel(); 310 } 311 mJustPeeked = false; 312 } 313 if (-h >= getFalsingThreshold()) { 314 mTouchAboveFalsingThreshold = true; 315 } 316 if (!mJustPeeked && (!waitForTouchSlop || mTracking) && !isTrackingBlocked()) { 317 setExpandedHeightInternal(newHeight); 318 } 319 320 trackMovement(event); 321 break; 322 323 case MotionEvent.ACTION_UP: 324 case MotionEvent.ACTION_CANCEL: 325 trackMovement(event); 326 endMotionEvent(event, x, y, false /* forceCancel */); 327 break; 328 } 329 return !waitForTouchSlop || mTracking; 330 } 331 332 protected void startExpandMotion(float newX, float newY, boolean startTracking, 333 float expandedHeight) { 334 mInitialOffsetOnTouch = expandedHeight; 335 mInitialTouchY = newY; 336 mInitialTouchX = newX; 337 if (startTracking) { 338 mTouchSlopExceeded = true; 339 onTrackingStarted(); 340 } 341 } 342 343 private void endMotionEvent(MotionEvent event, float x, float y, boolean forceCancel) { 344 mTrackingPointer = -1; 345 if ((mTracking && mTouchSlopExceeded) 346 || Math.abs(x - mInitialTouchX) > mTouchSlop 347 || Math.abs(y - mInitialTouchY) > mTouchSlop 348 || event.getActionMasked() == MotionEvent.ACTION_CANCEL 349 || forceCancel) { 350 float vel = 0f; 351 float vectorVel = 0f; 352 if (mVelocityTracker != null) { 353 mVelocityTracker.computeCurrentVelocity(1000); 354 vel = mVelocityTracker.getYVelocity(); 355 vectorVel = (float) Math.hypot( 356 mVelocityTracker.getXVelocity(), mVelocityTracker.getYVelocity()); 357 } 358 boolean expand = flingExpands(vel, vectorVel) 359 || event.getActionMasked() == MotionEvent.ACTION_CANCEL 360 || forceCancel; 361 onTrackingStopped(expand); 362 DozeLog.traceFling(expand, mTouchAboveFalsingThreshold, 363 mStatusBar.isFalsingThresholdNeeded(), 364 mStatusBar.isScreenOnComingFromTouch()); 365 // Log collapse gesture if on lock screen. 366 if (!expand && mStatusBar.getBarState() == StatusBarState.KEYGUARD) { 367 float displayDensity = mStatusBar.getDisplayDensity(); 368 int heightDp = (int) Math.abs((y - mInitialTouchY) / displayDensity); 369 int velocityDp = (int) Math.abs(vel / displayDensity); 370 EventLogTags.writeSysuiLockscreenGesture( 371 EventLogConstants.SYSUI_LOCKSCREEN_GESTURE_SWIPE_UP_UNLOCK, 372 heightDp, velocityDp); 373 } 374 fling(vel, expand); 375 mUpdateFlingOnLayout = expand && mPanelClosedOnDown && !mHasLayoutedSinceDown; 376 if (mUpdateFlingOnLayout) { 377 mUpdateFlingVelocity = vel; 378 } 379 } else { 380 boolean expands = onEmptySpaceClick(mInitialTouchX); 381 onTrackingStopped(expands); 382 } 383 384 if (mVelocityTracker != null) { 385 mVelocityTracker.recycle(); 386 mVelocityTracker = null; 387 } 388 mPeekTouching = false; 389 } 390 391 private int getFalsingThreshold() { 392 float factor = mStatusBar.isScreenOnComingFromTouch() ? 1.5f : 1.0f; 393 return (int) (mUnlockFalsingThreshold * factor); 394 } 395 396 protected abstract boolean hasConflictingGestures(); 397 398 protected void onTrackingStopped(boolean expand) { 399 mTracking = false; 400 mBar.onTrackingStopped(PanelView.this, expand); 401 } 402 403 protected void onTrackingStarted() { 404 endClosing(); 405 mTracking = true; 406 mCollapseAfterPeek = false; 407 mBar.onTrackingStarted(PanelView.this); 408 notifyExpandingStarted(); 409 } 410 411 @Override 412 public boolean onInterceptTouchEvent(MotionEvent event) { 413 if (mInstantExpanding 414 || (mMotionAborted && event.getActionMasked() != MotionEvent.ACTION_DOWN)) { 415 return false; 416 } 417 418 /* 419 * If the user drags anywhere inside the panel we intercept it if he moves his finger 420 * upwards. This allows closing the shade from anywhere inside the panel. 421 * 422 * We only do this if the current content is scrolled to the bottom, 423 * i.e isScrolledToBottom() is true and therefore there is no conflicting scrolling gesture 424 * possible. 425 */ 426 int pointerIndex = event.findPointerIndex(mTrackingPointer); 427 if (pointerIndex < 0) { 428 pointerIndex = 0; 429 mTrackingPointer = event.getPointerId(pointerIndex); 430 } 431 final float x = event.getX(pointerIndex); 432 final float y = event.getY(pointerIndex); 433 boolean scrolledToBottom = isScrolledToBottom(); 434 435 switch (event.getActionMasked()) { 436 case MotionEvent.ACTION_DOWN: 437 mStatusBar.userActivity(); 438 if (mHeightAnimator != null && !mHintAnimationRunning || 439 mPeekPending || mPeekAnimator != null) { 440 cancelHeightAnimator(); 441 cancelPeek(); 442 mTouchSlopExceeded = true; 443 return true; 444 } 445 mInitialTouchY = y; 446 mInitialTouchX = x; 447 mTouchStartedInEmptyArea = !isInContentBounds(x, y); 448 mTouchSlopExceeded = false; 449 mJustPeeked = false; 450 mMotionAborted = false; 451 mPanelClosedOnDown = isShadeCollapsed(); 452 mHasLayoutedSinceDown = false; 453 mUpdateFlingOnLayout = false; 454 mTouchAboveFalsingThreshold = false; 455 initVelocityTracker(); 456 trackMovement(event); 457 break; 458 case MotionEvent.ACTION_POINTER_UP: 459 final int upPointer = event.getPointerId(event.getActionIndex()); 460 if (mTrackingPointer == upPointer) { 461 // gesture is ongoing, find a new pointer to track 462 final int newIndex = event.getPointerId(0) != upPointer ? 0 : 1; 463 mTrackingPointer = event.getPointerId(newIndex); 464 mInitialTouchX = event.getX(newIndex); 465 mInitialTouchY = event.getY(newIndex); 466 } 467 break; 468 case MotionEvent.ACTION_POINTER_DOWN: 469 if (mStatusBar.getBarState() == StatusBarState.KEYGUARD) { 470 mMotionAborted = true; 471 if (mVelocityTracker != null) { 472 mVelocityTracker.recycle(); 473 mVelocityTracker = null; 474 } 475 } 476 break; 477 case MotionEvent.ACTION_MOVE: 478 final float h = y - mInitialTouchY; 479 trackMovement(event); 480 if (scrolledToBottom || mTouchStartedInEmptyArea) { 481 if (h < -mTouchSlop && h < -Math.abs(x - mInitialTouchX)) { 482 cancelHeightAnimator(); 483 startExpandMotion(x, y, true /* startTracking */, mExpandedHeight); 484 return true; 485 } 486 } 487 break; 488 case MotionEvent.ACTION_CANCEL: 489 case MotionEvent.ACTION_UP: 490 if (mVelocityTracker != null) { 491 mVelocityTracker.recycle(); 492 mVelocityTracker = null; 493 } 494 break; 495 } 496 return false; 497 } 498 499 /** 500 * @return Whether a pair of coordinates are inside the visible view content bounds. 501 */ 502 protected abstract boolean isInContentBounds(float x, float y); 503 504 private void cancelHeightAnimator() { 505 if (mHeightAnimator != null) { 506 mHeightAnimator.cancel(); 507 } 508 endClosing(); 509 } 510 511 private void endClosing() { 512 if (mClosing) { 513 mClosing = false; 514 onClosingFinished(); 515 } 516 } 517 518 private void initVelocityTracker() { 519 if (mVelocityTracker != null) { 520 mVelocityTracker.recycle(); 521 } 522 mVelocityTracker = VelocityTrackerFactory.obtain(getContext()); 523 } 524 525 protected boolean isScrolledToBottom() { 526 return true; 527 } 528 529 protected float getContentHeight() { 530 return mExpandedHeight; 531 } 532 533 @Override 534 protected void onFinishInflate() { 535 super.onFinishInflate(); 536 loadDimens(); 537 } 538 539 @Override 540 protected void onConfigurationChanged(Configuration newConfig) { 541 super.onConfigurationChanged(newConfig); 542 loadDimens(); 543 } 544 545 /** 546 * @param vel the current vertical velocity of the motion 547 * @param vectorVel the length of the vectorial velocity 548 * @return whether a fling should expands the panel; contracts otherwise 549 */ 550 protected boolean flingExpands(float vel, float vectorVel) { 551 if (isBelowFalsingThreshold()) { 552 return true; 553 } 554 if (Math.abs(vectorVel) < mFlingAnimationUtils.getMinVelocityPxPerSecond()) { 555 return getExpandedFraction() > 0.5f; 556 } else { 557 return vel > 0; 558 } 559 } 560 561 private boolean isBelowFalsingThreshold() { 562 return !mTouchAboveFalsingThreshold && mStatusBar.isFalsingThresholdNeeded(); 563 } 564 565 protected void fling(float vel, boolean expand) { 566 cancelPeek(); 567 float target = expand ? getMaxPanelHeight() : 0.0f; 568 flingToHeight(vel, expand, target); 569 } 570 571 protected void flingToHeight(float vel, boolean expand, float target) { 572 // Hack to make the expand transition look nice when clear all button is visible - we make 573 // the animation only to the last notification, and then jump to the maximum panel height so 574 // clear all just fades in and the decelerating motion is towards the last notification. 575 final boolean clearAllExpandHack = expand && fullyExpandedClearAllVisible() 576 && mExpandedHeight < getMaxPanelHeight() - getClearAllHeight() 577 && !isClearAllVisible(); 578 if (clearAllExpandHack) { 579 target = getMaxPanelHeight() - getClearAllHeight(); 580 } 581 if (target == mExpandedHeight || getOverExpansionAmount() > 0f && expand) { 582 notifyExpandingFinished(); 583 return; 584 } 585 mOverExpandedBeforeFling = getOverExpansionAmount() > 0f; 586 ValueAnimator animator = createHeightAnimator(target); 587 if (expand) { 588 boolean belowFalsingThreshold = isBelowFalsingThreshold(); 589 if (belowFalsingThreshold) { 590 vel = 0; 591 } 592 mFlingAnimationUtils.apply(animator, mExpandedHeight, target, vel, getHeight()); 593 if (belowFalsingThreshold) { 594 animator.setDuration(350); 595 } 596 } else { 597 mFlingAnimationUtils.applyDismissing(animator, mExpandedHeight, target, vel, 598 getHeight()); 599 600 // Make it shorter if we run a canned animation 601 if (vel == 0) { 602 animator.setDuration((long) 603 (animator.getDuration() * getCannedFlingDurationFactor())); 604 } 605 } 606 animator.addListener(new AnimatorListenerAdapter() { 607 private boolean mCancelled; 608 609 @Override 610 public void onAnimationCancel(Animator animation) { 611 mCancelled = true; 612 } 613 614 @Override 615 public void onAnimationEnd(Animator animation) { 616 if (clearAllExpandHack && !mCancelled) { 617 setExpandedHeightInternal(getMaxPanelHeight()); 618 } 619 mHeightAnimator = null; 620 if (!mCancelled) { 621 notifyExpandingFinished(); 622 } 623 } 624 }); 625 mHeightAnimator = animator; 626 animator.start(); 627 } 628 629 @Override 630 protected void onAttachedToWindow() { 631 super.onAttachedToWindow(); 632 mViewName = getResources().getResourceName(getId()); 633 } 634 635 public String getName() { 636 return mViewName; 637 } 638 639 public void setExpandedHeight(float height) { 640 if (DEBUG) logf("setExpandedHeight(%.1f)", height); 641 setExpandedHeightInternal(height + getOverExpansionPixels()); 642 } 643 644 @Override 645 protected void onLayout (boolean changed, int left, int top, int right, int bottom) { 646 super.onLayout(changed, left, top, right, bottom); 647 requestPanelHeightUpdate(); 648 mHasLayoutedSinceDown = true; 649 if (mUpdateFlingOnLayout) { 650 abortAnimations(); 651 fling(mUpdateFlingVelocity, true /* expands */); 652 mUpdateFlingOnLayout = false; 653 } 654 } 655 656 protected void requestPanelHeightUpdate() { 657 float currentMaxPanelHeight = getMaxPanelHeight(); 658 659 // If the user isn't actively poking us, let's update the height 660 if ((!mTracking || isTrackingBlocked()) 661 && mHeightAnimator == null 662 && !isShadeCollapsed() 663 && currentMaxPanelHeight != mExpandedHeight 664 && !mPeekPending 665 && mPeekAnimator == null 666 && !mPeekTouching) { 667 setExpandedHeight(currentMaxPanelHeight); 668 } 669 } 670 671 public void setExpandedHeightInternal(float h) { 672 float fhWithoutOverExpansion = getMaxPanelHeight() - getOverExpansionAmount(); 673 if (mHeightAnimator == null) { 674 float overExpansionPixels = Math.max(0, h - fhWithoutOverExpansion); 675 if (getOverExpansionPixels() != overExpansionPixels && mTracking) { 676 setOverExpansion(overExpansionPixels, true /* isPixels */); 677 } 678 mExpandedHeight = Math.min(h, fhWithoutOverExpansion) + getOverExpansionAmount(); 679 } else { 680 mExpandedHeight = h; 681 if (mOverExpandedBeforeFling) { 682 setOverExpansion(Math.max(0, h - fhWithoutOverExpansion), false /* isPixels */); 683 } 684 } 685 686 mExpandedHeight = Math.max(0, mExpandedHeight); 687 mExpandedFraction = Math.min(1f, fhWithoutOverExpansion == 0 688 ? 0 689 : mExpandedHeight / fhWithoutOverExpansion); 690 onHeightUpdated(mExpandedHeight); 691 notifyBarPanelExpansionChanged(); 692 } 693 694 /** 695 * @return true if the panel tracking should be temporarily blocked; this is used when a 696 * conflicting gesture (opening QS) is happening 697 */ 698 protected abstract boolean isTrackingBlocked(); 699 700 protected abstract void setOverExpansion(float overExpansion, boolean isPixels); 701 702 protected abstract void onHeightUpdated(float expandedHeight); 703 704 protected abstract float getOverExpansionAmount(); 705 706 protected abstract float getOverExpansionPixels(); 707 708 /** 709 * This returns the maximum height of the panel. Children should override this if their 710 * desired height is not the full height. 711 * 712 * @return the default implementation simply returns the maximum height. 713 */ 714 protected abstract int getMaxPanelHeight(); 715 716 public void setExpandedFraction(float frac) { 717 setExpandedHeight(getMaxPanelHeight() * frac); 718 } 719 720 public float getExpandedHeight() { 721 return mExpandedHeight; 722 } 723 724 public float getExpandedFraction() { 725 return mExpandedFraction; 726 } 727 728 public boolean isFullyExpanded() { 729 return mExpandedHeight >= getMaxPanelHeight(); 730 } 731 732 public boolean isFullyCollapsed() { 733 return mExpandedHeight <= 0; 734 } 735 736 public boolean isCollapsing() { 737 return mClosing; 738 } 739 740 public boolean isTracking() { 741 return mTracking; 742 } 743 744 public void setBar(PanelBar panelBar) { 745 mBar = panelBar; 746 } 747 748 public void collapse(boolean delayed) { 749 if (DEBUG) logf("collapse: " + this); 750 if (mPeekPending || mPeekAnimator != null) { 751 mCollapseAfterPeek = true; 752 if (mPeekPending) { 753 754 // We know that the whole gesture is just a peek triggered by a simple click, so 755 // better start it now. 756 removeCallbacks(mPeekRunnable); 757 mPeekRunnable.run(); 758 } 759 } else if (!isFullyCollapsed() && !mTracking && !mClosing) { 760 cancelHeightAnimator(); 761 mClosing = true; 762 notifyExpandingStarted(); 763 if (delayed) { 764 postDelayed(mFlingCollapseRunnable, 120); 765 } else { 766 fling(0, false /* expand */); 767 } 768 } 769 } 770 771 private final Runnable mFlingCollapseRunnable = new Runnable() { 772 @Override 773 public void run() { 774 fling(0, false /* expand */); 775 } 776 }; 777 778 public void expand() { 779 if (DEBUG) logf("expand: " + this); 780 if (isFullyCollapsed()) { 781 mBar.startOpeningPanel(this); 782 notifyExpandingStarted(); 783 fling(0, true /* expand */); 784 } else if (DEBUG) { 785 if (DEBUG) logf("skipping expansion: is expanded"); 786 } 787 } 788 789 public void cancelPeek() { 790 if (mPeekAnimator != null) { 791 mPeekAnimator.cancel(); 792 } 793 removeCallbacks(mPeekRunnable); 794 mPeekPending = false; 795 796 // When peeking, we already tell mBar that we expanded ourselves. Make sure that we also 797 // notify mBar that we might have closed ourselves. 798 notifyBarPanelExpansionChanged(); 799 } 800 801 public void instantExpand() { 802 mInstantExpanding = true; 803 mUpdateFlingOnLayout = false; 804 abortAnimations(); 805 cancelPeek(); 806 if (mTracking) { 807 onTrackingStopped(true /* expands */); // The panel is expanded after this call. 808 } 809 if (mExpanding) { 810 notifyExpandingFinished(); 811 } 812 notifyBarPanelExpansionChanged(); 813 814 // Wait for window manager to pickup the change, so we know the maximum height of the panel 815 // then. 816 getViewTreeObserver().addOnGlobalLayoutListener( 817 new ViewTreeObserver.OnGlobalLayoutListener() { 818 @Override 819 public void onGlobalLayout() { 820 if (mStatusBar.getStatusBarWindow().getHeight() 821 != mStatusBar.getStatusBarHeight()) { 822 getViewTreeObserver().removeOnGlobalLayoutListener(this); 823 setExpandedFraction(1f); 824 mInstantExpanding = false; 825 } 826 } 827 }); 828 829 // Make sure a layout really happens. 830 requestLayout(); 831 } 832 833 public void instantCollapse() { 834 abortAnimations(); 835 setExpandedFraction(0f); 836 if (mExpanding) { 837 notifyExpandingFinished(); 838 } 839 } 840 841 private void abortAnimations() { 842 cancelPeek(); 843 cancelHeightAnimator(); 844 removeCallbacks(mPostCollapseRunnable); 845 removeCallbacks(mFlingCollapseRunnable); 846 } 847 848 protected void onClosingFinished() { 849 mBar.onClosingFinished(); 850 } 851 852 853 protected void startUnlockHintAnimation() { 854 855 // We don't need to hint the user if an animation is already running or the user is changing 856 // the expansion. 857 if (mHeightAnimator != null || mTracking) { 858 return; 859 } 860 cancelPeek(); 861 notifyExpandingStarted(); 862 startUnlockHintAnimationPhase1(new Runnable() { 863 @Override 864 public void run() { 865 notifyExpandingFinished(); 866 mStatusBar.onHintFinished(); 867 mHintAnimationRunning = false; 868 } 869 }); 870 mStatusBar.onUnlockHintStarted(); 871 mHintAnimationRunning = true; 872 } 873 874 /** 875 * Phase 1: Move everything upwards. 876 */ 877 private void startUnlockHintAnimationPhase1(final Runnable onAnimationFinished) { 878 float target = Math.max(0, getMaxPanelHeight() - mHintDistance); 879 ValueAnimator animator = createHeightAnimator(target); 880 animator.setDuration(250); 881 animator.setInterpolator(mFastOutSlowInInterpolator); 882 animator.addListener(new AnimatorListenerAdapter() { 883 private boolean mCancelled; 884 885 @Override 886 public void onAnimationCancel(Animator animation) { 887 mCancelled = true; 888 } 889 890 @Override 891 public void onAnimationEnd(Animator animation) { 892 if (mCancelled) { 893 mHeightAnimator = null; 894 onAnimationFinished.run(); 895 } else { 896 startUnlockHintAnimationPhase2(onAnimationFinished); 897 } 898 } 899 }); 900 animator.start(); 901 mHeightAnimator = animator; 902 mKeyguardBottomArea.getIndicationView().animate() 903 .translationY(-mHintDistance) 904 .setDuration(250) 905 .setInterpolator(mFastOutSlowInInterpolator) 906 .withEndAction(new Runnable() { 907 @Override 908 public void run() { 909 mKeyguardBottomArea.getIndicationView().animate() 910 .translationY(0) 911 .setDuration(450) 912 .setInterpolator(mBounceInterpolator) 913 .start(); 914 } 915 }) 916 .start(); 917 } 918 919 /** 920 * Phase 2: Bounce down. 921 */ 922 private void startUnlockHintAnimationPhase2(final Runnable onAnimationFinished) { 923 ValueAnimator animator = createHeightAnimator(getMaxPanelHeight()); 924 animator.setDuration(450); 925 animator.setInterpolator(mBounceInterpolator); 926 animator.addListener(new AnimatorListenerAdapter() { 927 @Override 928 public void onAnimationEnd(Animator animation) { 929 mHeightAnimator = null; 930 onAnimationFinished.run(); 931 } 932 }); 933 animator.start(); 934 mHeightAnimator = animator; 935 } 936 937 private ValueAnimator createHeightAnimator(float targetHeight) { 938 ValueAnimator animator = ValueAnimator.ofFloat(mExpandedHeight, targetHeight); 939 animator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() { 940 @Override 941 public void onAnimationUpdate(ValueAnimator animation) { 942 setExpandedHeightInternal((Float) animation.getAnimatedValue()); 943 } 944 }); 945 return animator; 946 } 947 948 protected void notifyBarPanelExpansionChanged() { 949 mBar.panelExpansionChanged(this, mExpandedFraction, mExpandedFraction > 0f || mPeekPending 950 || mPeekAnimator != null || mInstantExpanding || mHeadsUpManager.hasPinnedHeadsUp()); 951 } 952 953 /** 954 * Gets called when the user performs a click anywhere in the empty area of the panel. 955 * 956 * @return whether the panel will be expanded after the action performed by this method 957 */ 958 protected boolean onEmptySpaceClick(float x) { 959 if (mHintAnimationRunning) { 960 return true; 961 } 962 if (x < mEdgeTapAreaWidth 963 && mStatusBar.getBarState() == StatusBarState.KEYGUARD) { 964 onEdgeClicked(false /* right */); 965 return true; 966 } else if (x > getWidth() - mEdgeTapAreaWidth 967 && mStatusBar.getBarState() == StatusBarState.KEYGUARD) { 968 onEdgeClicked(true /* right */); 969 return true; 970 } else { 971 return onMiddleClicked(); 972 } 973 } 974 975 protected final Runnable mPostCollapseRunnable = new Runnable() { 976 @Override 977 public void run() { 978 collapse(false /* delayed */); 979 } 980 }; 981 982 protected abstract boolean onMiddleClicked(); 983 984 protected abstract void onEdgeClicked(boolean right); 985 986 protected abstract boolean isDozing(); 987 988 public void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 989 pw.println(String.format("[PanelView(%s): expandedHeight=%f maxPanelHeight=%d closing=%s" 990 + " tracking=%s justPeeked=%s peekAnim=%s%s timeAnim=%s%s touchDisabled=%s" 991 + "]", 992 this.getClass().getSimpleName(), 993 getExpandedHeight(), 994 getMaxPanelHeight(), 995 mClosing?"T":"f", 996 mTracking?"T":"f", 997 mJustPeeked?"T":"f", 998 mPeekAnimator, ((mPeekAnimator!=null && mPeekAnimator.isStarted())?" (started)":""), 999 mHeightAnimator, ((mHeightAnimator !=null && mHeightAnimator.isStarted())?" (started)":""), 1000 mTouchDisabled?"T":"f" 1001 )); 1002 } 1003 1004 public abstract void resetViews(); 1005 1006 protected abstract float getPeekHeight(); 1007 1008 protected abstract float getCannedFlingDurationFactor(); 1009 1010 /** 1011 * @return whether "Clear all" button will be visible when the panel is fully expanded 1012 */ 1013 protected abstract boolean fullyExpandedClearAllVisible(); 1014 1015 protected abstract boolean isClearAllVisible(); 1016 1017 /** 1018 * @return the height of the clear all button, in pixels 1019 */ 1020 protected abstract int getClearAllHeight(); 1021 1022 protected abstract boolean isShadeCollapsed(); 1023 1024 public void setHeadsUpManager(HeadsUpManager headsUpManager) { 1025 mHeadsUpManager = headsUpManager; 1026 } 1027} 1028