PanelView.java revision ee98df79a1797323aaa6d645e9cd5dc6a7cc0ee4
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.R; 36import com.android.systemui.doze.DozeLog; 37import com.android.systemui.statusbar.FlingAnimationUtils; 38import com.android.systemui.statusbar.StatusBarState; 39 40import java.io.FileDescriptor; 41import java.io.PrintWriter; 42 43public abstract class PanelView extends FrameLayout { 44 public static final boolean DEBUG = PanelBar.DEBUG; 45 public static final String TAG = PanelView.class.getSimpleName(); 46 47 private final void logf(String fmt, Object... args) { 48 Log.v(TAG, (mViewName != null ? (mViewName + ": ") : "") + String.format(fmt, args)); 49 } 50 51 protected PhoneStatusBar mStatusBar; 52 private float mPeekHeight; 53 private float mHintDistance; 54 private int mEdgeTapAreaWidth; 55 private float mInitialOffsetOnTouch; 56 private float mExpandedFraction = 0; 57 protected float mExpandedHeight = 0; 58 private boolean mPanelClosedOnDown; 59 private boolean mHasLayoutedSinceDown; 60 private float mUpdateFlingVelocity; 61 private boolean mUpdateFlingOnLayout; 62 private boolean mPeekTouching; 63 private boolean mJustPeeked; 64 private boolean mClosing; 65 protected boolean mTracking; 66 private boolean mTouchSlopExceeded; 67 private int mTrackingPointer; 68 protected int mTouchSlop; 69 protected boolean mHintAnimationRunning; 70 private boolean mOverExpandedBeforeFling; 71 private float mOriginalIndicationY; 72 private boolean mTouchAboveFalsingThreshold; 73 private int mUnlockFalsingThreshold; 74 75 private ValueAnimator mHeightAnimator; 76 private ObjectAnimator mPeekAnimator; 77 private VelocityTrackerInterface mVelocityTracker; 78 private FlingAnimationUtils mFlingAnimationUtils; 79 80 /** 81 * Whether an instant expand request is currently pending and we are just waiting for layout. 82 */ 83 private boolean mInstantExpanding; 84 85 PanelBar mBar; 86 87 private String mViewName; 88 private float mInitialTouchY; 89 private float mInitialTouchX; 90 private boolean mTouchDisabled; 91 92 private Interpolator mLinearOutSlowInInterpolator; 93 private Interpolator mFastOutSlowInInterpolator; 94 private Interpolator mBounceInterpolator; 95 protected KeyguardBottomAreaView mKeyguardBottomArea; 96 97 private boolean mPeekPending; 98 private boolean mCollapseAfterPeek; 99 private boolean mExpanding; 100 private boolean mGestureWaitForTouchSlop; 101 private Runnable mPeekRunnable = new Runnable() { 102 @Override 103 public void run() { 104 mPeekPending = false; 105 runPeekAnimation(); 106 } 107 }; 108 109 protected void onExpandingFinished() { 110 mClosing = false; 111 mBar.onExpandingFinished(); 112 } 113 114 protected void onExpandingStarted() { 115 } 116 117 private void notifyExpandingStarted() { 118 if (!mExpanding) { 119 mExpanding = true; 120 onExpandingStarted(); 121 } 122 } 123 124 private void notifyExpandingFinished() { 125 if (mExpanding) { 126 mExpanding = false; 127 onExpandingFinished(); 128 } 129 } 130 131 private void schedulePeek() { 132 mPeekPending = true; 133 long timeout = ViewConfiguration.getTapTimeout(); 134 postOnAnimationDelayed(mPeekRunnable, timeout); 135 notifyBarPanelExpansionChanged(); 136 } 137 138 private void runPeekAnimation() { 139 mPeekHeight = getPeekHeight(); 140 if (DEBUG) logf("peek to height=%.1f", mPeekHeight); 141 if (mHeightAnimator != null) { 142 return; 143 } 144 mPeekAnimator = ObjectAnimator.ofFloat(this, "expandedHeight", mPeekHeight) 145 .setDuration(250); 146 mPeekAnimator.setInterpolator(mLinearOutSlowInInterpolator); 147 mPeekAnimator.addListener(new AnimatorListenerAdapter() { 148 private boolean mCancelled; 149 150 @Override 151 public void onAnimationCancel(Animator animation) { 152 mCancelled = true; 153 } 154 155 @Override 156 public void onAnimationEnd(Animator animation) { 157 mPeekAnimator = null; 158 if (mCollapseAfterPeek && !mCancelled) { 159 postOnAnimation(new Runnable() { 160 @Override 161 public void run() { 162 collapse(false /* delayed */); 163 } 164 }); 165 } 166 mCollapseAfterPeek = false; 167 } 168 }); 169 notifyExpandingStarted(); 170 mPeekAnimator.start(); 171 mJustPeeked = true; 172 } 173 174 public PanelView(Context context, AttributeSet attrs) { 175 super(context, attrs); 176 mFlingAnimationUtils = new FlingAnimationUtils(context, 0.6f); 177 mFastOutSlowInInterpolator = 178 AnimationUtils.loadInterpolator(context, android.R.interpolator.fast_out_slow_in); 179 mLinearOutSlowInInterpolator = 180 AnimationUtils.loadInterpolator(context, android.R.interpolator.linear_out_slow_in); 181 mBounceInterpolator = new BounceInterpolator(); 182 } 183 184 protected void loadDimens() { 185 final Resources res = getContext().getResources(); 186 final ViewConfiguration configuration = ViewConfiguration.get(getContext()); 187 mTouchSlop = configuration.getScaledTouchSlop(); 188 mHintDistance = res.getDimension(R.dimen.hint_move_distance); 189 mEdgeTapAreaWidth = res.getDimensionPixelSize(R.dimen.edge_tap_area_width); 190 mUnlockFalsingThreshold = res.getDimensionPixelSize(R.dimen.unlock_falsing_threshold); 191 } 192 193 private void trackMovement(MotionEvent event) { 194 // Add movement to velocity tracker using raw screen X and Y coordinates instead 195 // of window coordinates because the window frame may be moving at the same time. 196 float deltaX = event.getRawX() - event.getX(); 197 float deltaY = event.getRawY() - event.getY(); 198 event.offsetLocation(deltaX, deltaY); 199 if (mVelocityTracker != null) mVelocityTracker.addMovement(event); 200 event.offsetLocation(-deltaX, -deltaY); 201 } 202 203 public void setTouchDisabled(boolean disabled) { 204 mTouchDisabled = disabled; 205 } 206 207 @Override 208 public boolean onTouchEvent(MotionEvent event) { 209 if (mInstantExpanding || mTouchDisabled) { 210 return false; 211 } 212 213 /* 214 * We capture touch events here and update the expand height here in case according to 215 * the users fingers. This also handles multi-touch. 216 * 217 * If the user just clicks shortly, we give him a quick peek of the shade. 218 * 219 * Flinging is also enabled in order to open or close the shade. 220 */ 221 222 int pointerIndex = event.findPointerIndex(mTrackingPointer); 223 if (pointerIndex < 0) { 224 pointerIndex = 0; 225 mTrackingPointer = event.getPointerId(pointerIndex); 226 } 227 final float y = event.getY(pointerIndex); 228 final float x = event.getX(pointerIndex); 229 230 if (event.getActionMasked() == MotionEvent.ACTION_DOWN) { 231 mGestureWaitForTouchSlop = mExpandedHeight == 0f; 232 } 233 boolean waitForTouchSlop = hasConflictingGestures() || mGestureWaitForTouchSlop; 234 235 switch (event.getActionMasked()) { 236 case MotionEvent.ACTION_DOWN: 237 mInitialTouchY = y; 238 mInitialTouchX = x; 239 mInitialOffsetOnTouch = mExpandedHeight; 240 mTouchSlopExceeded = false; 241 mJustPeeked = false; 242 mPanelClosedOnDown = mExpandedHeight == 0.0f; 243 mHasLayoutedSinceDown = false; 244 mUpdateFlingOnLayout = false; 245 mPeekTouching = mPanelClosedOnDown; 246 mTouchAboveFalsingThreshold = false; 247 if (mVelocityTracker == null) { 248 initVelocityTracker(); 249 } 250 trackMovement(event); 251 if (!waitForTouchSlop || (mHeightAnimator != null && !mHintAnimationRunning) || 252 mPeekPending || mPeekAnimator != null) { 253 if (mHeightAnimator != null) { 254 mHeightAnimator.cancel(); // end any outstanding animations 255 } 256 cancelPeek(); 257 mTouchSlopExceeded = (mHeightAnimator != null && !mHintAnimationRunning) 258 || mPeekPending || mPeekAnimator != null; 259 onTrackingStarted(); 260 } 261 if (mExpandedHeight == 0) { 262 schedulePeek(); 263 } 264 break; 265 266 case MotionEvent.ACTION_POINTER_UP: 267 final int upPointer = event.getPointerId(event.getActionIndex()); 268 if (mTrackingPointer == upPointer) { 269 // gesture is ongoing, find a new pointer to track 270 final int newIndex = event.getPointerId(0) != upPointer ? 0 : 1; 271 final float newY = event.getY(newIndex); 272 final float newX = event.getX(newIndex); 273 mTrackingPointer = event.getPointerId(newIndex); 274 mInitialOffsetOnTouch = mExpandedHeight; 275 mInitialTouchY = newY; 276 mInitialTouchX = newX; 277 } 278 break; 279 280 case MotionEvent.ACTION_MOVE: 281 float h = y - mInitialTouchY; 282 283 // If the panel was collapsed when touching, we only need to check for the 284 // y-component of the gesture, as we have no conflicting horizontal gesture. 285 if (Math.abs(h) > mTouchSlop 286 && (Math.abs(h) > Math.abs(x - mInitialTouchX) 287 || mInitialOffsetOnTouch == 0f)) { 288 mTouchSlopExceeded = true; 289 if (waitForTouchSlop && !mTracking) { 290 if (!mJustPeeked) { 291 mInitialOffsetOnTouch = mExpandedHeight; 292 mInitialTouchX = x; 293 mInitialTouchY = y; 294 h = 0; 295 } 296 if (mHeightAnimator != null) { 297 mHeightAnimator.cancel(); // end any outstanding animations 298 } 299 removeCallbacks(mPeekRunnable); 300 mPeekPending = false; 301 onTrackingStarted(); 302 } 303 } 304 final float newHeight = Math.max(0, h + mInitialOffsetOnTouch); 305 if (newHeight > mPeekHeight) { 306 if (mPeekAnimator != null) { 307 mPeekAnimator.cancel(); 308 } 309 mJustPeeked = false; 310 } 311 if (-h >= getFalsingThreshold()) { 312 mTouchAboveFalsingThreshold = true; 313 } 314 if (!mJustPeeked && (!waitForTouchSlop || mTracking) && !isTrackingBlocked()) { 315 setExpandedHeightInternal(newHeight); 316 } 317 318 trackMovement(event); 319 break; 320 321 case MotionEvent.ACTION_UP: 322 case MotionEvent.ACTION_CANCEL: 323 mTrackingPointer = -1; 324 trackMovement(event); 325 if ((mTracking && mTouchSlopExceeded) 326 || Math.abs(x - mInitialTouchX) > mTouchSlop 327 || Math.abs(y - mInitialTouchY) > mTouchSlop 328 || event.getActionMasked() == MotionEvent.ACTION_CANCEL) { 329 float vel = 0f; 330 float vectorVel = 0f; 331 if (mVelocityTracker != null) { 332 mVelocityTracker.computeCurrentVelocity(1000); 333 vel = mVelocityTracker.getYVelocity(); 334 vectorVel = (float) Math.hypot( 335 mVelocityTracker.getXVelocity(), mVelocityTracker.getYVelocity()); 336 } 337 boolean expand = flingExpands(vel, vectorVel); 338 onTrackingStopped(expand); 339 DozeLog.traceFling(expand, mTouchAboveFalsingThreshold, 340 mStatusBar.isFalsingThresholdNeeded(), 341 mStatusBar.isScreenOnComingFromTouch()); 342 fling(vel, expand); 343 mUpdateFlingOnLayout = expand && mPanelClosedOnDown && !mHasLayoutedSinceDown; 344 if (mUpdateFlingOnLayout) { 345 mUpdateFlingVelocity = vel; 346 } 347 } else { 348 boolean expands = onEmptySpaceClick(mInitialTouchX); 349 onTrackingStopped(expands); 350 } 351 352 if (mVelocityTracker != null) { 353 mVelocityTracker.recycle(); 354 mVelocityTracker = null; 355 } 356 mPeekTouching = false; 357 break; 358 } 359 return !waitForTouchSlop || mTracking; 360 } 361 362 private int getFalsingThreshold() { 363 float factor = mStatusBar.isScreenOnComingFromTouch() ? 1.5f : 1.0f; 364 return (int) (mUnlockFalsingThreshold * factor); 365 } 366 367 protected abstract boolean hasConflictingGestures(); 368 369 protected void onTrackingStopped(boolean expand) { 370 mTracking = false; 371 mBar.onTrackingStopped(PanelView.this, expand); 372 } 373 374 protected void onTrackingStarted() { 375 mTracking = true; 376 mCollapseAfterPeek = false; 377 mBar.onTrackingStarted(PanelView.this); 378 notifyExpandingStarted(); 379 } 380 381 @Override 382 public boolean onInterceptTouchEvent(MotionEvent event) { 383 if (mInstantExpanding) { 384 return false; 385 } 386 387 /* 388 * If the user drags anywhere inside the panel we intercept it if he moves his finger 389 * upwards. This allows closing the shade from anywhere inside the panel. 390 * 391 * We only do this if the current content is scrolled to the bottom, 392 * i.e isScrolledToBottom() is true and therefore there is no conflicting scrolling gesture 393 * possible. 394 */ 395 int pointerIndex = event.findPointerIndex(mTrackingPointer); 396 if (pointerIndex < 0) { 397 pointerIndex = 0; 398 mTrackingPointer = event.getPointerId(pointerIndex); 399 } 400 final float x = event.getX(pointerIndex); 401 final float y = event.getY(pointerIndex); 402 boolean scrolledToBottom = isScrolledToBottom(); 403 404 switch (event.getActionMasked()) { 405 case MotionEvent.ACTION_DOWN: 406 mStatusBar.userActivity(); 407 if (mHeightAnimator != null && !mHintAnimationRunning || 408 mPeekPending || mPeekAnimator != null) { 409 if (mHeightAnimator != null) { 410 mHeightAnimator.cancel(); // end any outstanding animations 411 } 412 cancelPeek(); 413 mTouchSlopExceeded = true; 414 return true; 415 } 416 mInitialTouchY = y; 417 mInitialTouchX = x; 418 mTouchSlopExceeded = false; 419 mJustPeeked = false; 420 mPanelClosedOnDown = mExpandedHeight == 0.0f; 421 mHasLayoutedSinceDown = false; 422 mUpdateFlingOnLayout = false; 423 mTouchAboveFalsingThreshold = false; 424 initVelocityTracker(); 425 trackMovement(event); 426 break; 427 case MotionEvent.ACTION_POINTER_UP: 428 final int upPointer = event.getPointerId(event.getActionIndex()); 429 if (mTrackingPointer == upPointer) { 430 // gesture is ongoing, find a new pointer to track 431 final int newIndex = event.getPointerId(0) != upPointer ? 0 : 1; 432 mTrackingPointer = event.getPointerId(newIndex); 433 mInitialTouchX = event.getX(newIndex); 434 mInitialTouchY = event.getY(newIndex); 435 } 436 break; 437 438 case MotionEvent.ACTION_MOVE: 439 final float h = y - mInitialTouchY; 440 trackMovement(event); 441 if (scrolledToBottom) { 442 if (h < -mTouchSlop && h < -Math.abs(x - mInitialTouchX)) { 443 if (mHeightAnimator != null) { 444 mHeightAnimator.cancel(); 445 } 446 mInitialOffsetOnTouch = mExpandedHeight; 447 mInitialTouchY = y; 448 mInitialTouchX = x; 449 mTracking = true; 450 mTouchSlopExceeded = true; 451 onTrackingStarted(); 452 return true; 453 } 454 } 455 break; 456 case MotionEvent.ACTION_CANCEL: 457 case MotionEvent.ACTION_UP: 458 break; 459 } 460 return false; 461 } 462 463 private void initVelocityTracker() { 464 if (mVelocityTracker != null) { 465 mVelocityTracker.recycle(); 466 } 467 mVelocityTracker = VelocityTrackerFactory.obtain(getContext()); 468 } 469 470 protected boolean isScrolledToBottom() { 471 return true; 472 } 473 474 protected float getContentHeight() { 475 return mExpandedHeight; 476 } 477 478 @Override 479 protected void onFinishInflate() { 480 super.onFinishInflate(); 481 loadDimens(); 482 } 483 484 @Override 485 protected void onConfigurationChanged(Configuration newConfig) { 486 super.onConfigurationChanged(newConfig); 487 loadDimens(); 488 } 489 490 /** 491 * @param vel the current vertical velocity of the motion 492 * @param vectorVel the length of the vectorial velocity 493 * @return whether a fling should expands the panel; contracts otherwise 494 */ 495 protected boolean flingExpands(float vel, float vectorVel) { 496 if (isBelowFalsingThreshold()) { 497 return true; 498 } 499 if (Math.abs(vectorVel) < mFlingAnimationUtils.getMinVelocityPxPerSecond()) { 500 return getExpandedFraction() > 0.5f; 501 } else { 502 return vel > 0; 503 } 504 } 505 506 private boolean isBelowFalsingThreshold() { 507 return !mTouchAboveFalsingThreshold && mStatusBar.isFalsingThresholdNeeded(); 508 } 509 510 protected void fling(float vel, boolean expand) { 511 cancelPeek(); 512 float target = expand ? getMaxPanelHeight() : 0.0f; 513 514 // Hack to make the expand transition look nice when clear all button is visible - we make 515 // the animation only to the last notification, and then jump to the maximum panel height so 516 // clear all just fades in and the decelerating motion is towards the last notification. 517 final boolean clearAllExpandHack = expand && fullyExpandedClearAllVisible() 518 && mExpandedHeight < getMaxPanelHeight() - getClearAllHeight() 519 && !isClearAllVisible(); 520 if (clearAllExpandHack) { 521 target = getMaxPanelHeight() - getClearAllHeight(); 522 } 523 if (target == mExpandedHeight || getOverExpansionAmount() > 0f && expand) { 524 notifyExpandingFinished(); 525 return; 526 } 527 mOverExpandedBeforeFling = getOverExpansionAmount() > 0f; 528 ValueAnimator animator = createHeightAnimator(target); 529 if (expand) { 530 boolean belowFalsingThreshold = isBelowFalsingThreshold(); 531 if (belowFalsingThreshold) { 532 vel = 0; 533 } 534 mFlingAnimationUtils.apply(animator, mExpandedHeight, target, vel, getHeight()); 535 if (belowFalsingThreshold) { 536 animator.setDuration(350); 537 } 538 } else { 539 mFlingAnimationUtils.applyDismissing(animator, mExpandedHeight, target, vel, 540 getHeight()); 541 542 // Make it shorter if we run a canned animation 543 if (vel == 0) { 544 animator.setDuration((long) 545 (animator.getDuration() * getCannedFlingDurationFactor())); 546 } 547 } 548 animator.addListener(new AnimatorListenerAdapter() { 549 private boolean mCancelled; 550 551 @Override 552 public void onAnimationCancel(Animator animation) { 553 mCancelled = true; 554 } 555 556 @Override 557 public void onAnimationEnd(Animator animation) { 558 if (clearAllExpandHack && !mCancelled) { 559 setExpandedHeightInternal(getMaxPanelHeight()); 560 } 561 mHeightAnimator = null; 562 if (!mCancelled) { 563 notifyExpandingFinished(); 564 } 565 } 566 }); 567 mHeightAnimator = animator; 568 animator.start(); 569 } 570 571 @Override 572 protected void onAttachedToWindow() { 573 super.onAttachedToWindow(); 574 mViewName = getResources().getResourceName(getId()); 575 } 576 577 public String getName() { 578 return mViewName; 579 } 580 581 public void setExpandedHeight(float height) { 582 if (DEBUG) logf("setExpandedHeight(%.1f)", height); 583 setExpandedHeightInternal(height + getOverExpansionPixels()); 584 } 585 586 @Override 587 protected void onLayout (boolean changed, int left, int top, int right, int bottom) { 588 super.onLayout(changed, left, top, right, bottom); 589 requestPanelHeightUpdate(); 590 mHasLayoutedSinceDown = true; 591 if (mUpdateFlingOnLayout) { 592 abortAnimations(); 593 fling(mUpdateFlingVelocity, true); 594 mUpdateFlingOnLayout = false; 595 } 596 } 597 598 protected void requestPanelHeightUpdate() { 599 float currentMaxPanelHeight = getMaxPanelHeight(); 600 601 // If the user isn't actively poking us, let's update the height 602 if ((!mTracking || isTrackingBlocked()) 603 && mHeightAnimator == null 604 && mExpandedHeight > 0 605 && currentMaxPanelHeight != mExpandedHeight 606 && !mPeekPending 607 && mPeekAnimator == null 608 && !mPeekTouching) { 609 setExpandedHeight(currentMaxPanelHeight); 610 } 611 } 612 613 public void setExpandedHeightInternal(float h) { 614 float fhWithoutOverExpansion = getMaxPanelHeight() - getOverExpansionAmount(); 615 if (mHeightAnimator == null) { 616 float overExpansionPixels = Math.max(0, h - fhWithoutOverExpansion); 617 if (getOverExpansionPixels() != overExpansionPixels && mTracking) { 618 setOverExpansion(overExpansionPixels, true /* isPixels */); 619 } 620 mExpandedHeight = Math.min(h, fhWithoutOverExpansion) + getOverExpansionAmount(); 621 } else { 622 mExpandedHeight = h; 623 if (mOverExpandedBeforeFling) { 624 setOverExpansion(Math.max(0, h - fhWithoutOverExpansion), false /* isPixels */); 625 } 626 } 627 628 mExpandedHeight = Math.max(0, mExpandedHeight); 629 onHeightUpdated(mExpandedHeight); 630 mExpandedFraction = Math.min(1f, fhWithoutOverExpansion == 0 631 ? 0 632 : mExpandedHeight / fhWithoutOverExpansion); 633 notifyBarPanelExpansionChanged(); 634 } 635 636 /** 637 * @return true if the panel tracking should be temporarily blocked; this is used when a 638 * conflicting gesture (opening QS) is happening 639 */ 640 protected abstract boolean isTrackingBlocked(); 641 642 protected abstract void setOverExpansion(float overExpansion, boolean isPixels); 643 644 protected abstract void onHeightUpdated(float expandedHeight); 645 646 protected abstract float getOverExpansionAmount(); 647 648 protected abstract float getOverExpansionPixels(); 649 650 /** 651 * This returns the maximum height of the panel. Children should override this if their 652 * desired height is not the full height. 653 * 654 * @return the default implementation simply returns the maximum height. 655 */ 656 protected abstract int getMaxPanelHeight(); 657 658 public void setExpandedFraction(float frac) { 659 setExpandedHeight(getMaxPanelHeight() * frac); 660 } 661 662 public float getExpandedHeight() { 663 return mExpandedHeight; 664 } 665 666 public float getExpandedFraction() { 667 return mExpandedFraction; 668 } 669 670 public boolean isFullyExpanded() { 671 return mExpandedHeight >= getMaxPanelHeight(); 672 } 673 674 public boolean isFullyCollapsed() { 675 return mExpandedHeight <= 0; 676 } 677 678 public boolean isCollapsing() { 679 return mClosing; 680 } 681 682 public boolean isTracking() { 683 return mTracking; 684 } 685 686 public void setBar(PanelBar panelBar) { 687 mBar = panelBar; 688 } 689 690 public void collapse(boolean delayed) { 691 if (DEBUG) logf("collapse: " + this); 692 if (mPeekPending || mPeekAnimator != null) { 693 mCollapseAfterPeek = true; 694 if (mPeekPending) { 695 696 // We know that the whole gesture is just a peek triggered by a simple click, so 697 // better start it now. 698 removeCallbacks(mPeekRunnable); 699 mPeekRunnable.run(); 700 } 701 } else if (!isFullyCollapsed() && !mTracking && !mClosing) { 702 if (mHeightAnimator != null) { 703 mHeightAnimator.cancel(); 704 } 705 mClosing = true; 706 notifyExpandingStarted(); 707 if (delayed) { 708 postDelayed(mFlingCollapseRunnable, 120); 709 } else { 710 fling(0, false /* expand */); 711 } 712 } 713 } 714 715 private final Runnable mFlingCollapseRunnable = new Runnable() { 716 @Override 717 public void run() { 718 fling(0, false /* expand */); 719 } 720 }; 721 722 public void expand() { 723 if (DEBUG) logf("expand: " + this); 724 if (isFullyCollapsed()) { 725 mBar.startOpeningPanel(this); 726 notifyExpandingStarted(); 727 fling(0, true /* expand */); 728 } else if (DEBUG) { 729 if (DEBUG) logf("skipping expansion: is expanded"); 730 } 731 } 732 733 public void cancelPeek() { 734 if (mPeekAnimator != null) { 735 mPeekAnimator.cancel(); 736 } 737 removeCallbacks(mPeekRunnable); 738 mPeekPending = false; 739 740 // When peeking, we already tell mBar that we expanded ourselves. Make sure that we also 741 // notify mBar that we might have closed ourselves. 742 notifyBarPanelExpansionChanged(); 743 } 744 745 public void instantExpand() { 746 mInstantExpanding = true; 747 mUpdateFlingOnLayout = false; 748 abortAnimations(); 749 cancelPeek(); 750 if (mTracking) { 751 onTrackingStopped(true /* expands */); // The panel is expanded after this call. 752 } 753 if (mExpanding) { 754 notifyExpandingFinished(); 755 } 756 setVisibility(VISIBLE); 757 758 // Wait for window manager to pickup the change, so we know the maximum height of the panel 759 // then. 760 getViewTreeObserver().addOnGlobalLayoutListener( 761 new ViewTreeObserver.OnGlobalLayoutListener() { 762 @Override 763 public void onGlobalLayout() { 764 if (mStatusBar.getStatusBarWindow().getHeight() 765 != mStatusBar.getStatusBarHeight()) { 766 getViewTreeObserver().removeOnGlobalLayoutListener(this); 767 setExpandedFraction(1f); 768 mInstantExpanding = false; 769 } 770 } 771 }); 772 773 // Make sure a layout really happens. 774 requestLayout(); 775 } 776 777 private void abortAnimations() { 778 cancelPeek(); 779 if (mHeightAnimator != null) { 780 mHeightAnimator.cancel(); 781 } 782 removeCallbacks(mPostCollapseRunnable); 783 removeCallbacks(mFlingCollapseRunnable); 784 } 785 786 protected void startUnlockHintAnimation() { 787 788 // We don't need to hint the user if an animation is already running or the user is changing 789 // the expansion. 790 if (mHeightAnimator != null || mTracking) { 791 return; 792 } 793 cancelPeek(); 794 notifyExpandingStarted(); 795 startUnlockHintAnimationPhase1(new Runnable() { 796 @Override 797 public void run() { 798 notifyExpandingFinished(); 799 mStatusBar.onHintFinished(); 800 mHintAnimationRunning = false; 801 } 802 }); 803 mStatusBar.onUnlockHintStarted(); 804 mHintAnimationRunning = true; 805 } 806 807 /** 808 * Phase 1: Move everything upwards. 809 */ 810 private void startUnlockHintAnimationPhase1(final Runnable onAnimationFinished) { 811 float target = Math.max(0, getMaxPanelHeight() - mHintDistance); 812 ValueAnimator animator = createHeightAnimator(target); 813 animator.setDuration(250); 814 animator.setInterpolator(mFastOutSlowInInterpolator); 815 animator.addListener(new AnimatorListenerAdapter() { 816 private boolean mCancelled; 817 818 @Override 819 public void onAnimationCancel(Animator animation) { 820 mCancelled = true; 821 } 822 823 @Override 824 public void onAnimationEnd(Animator animation) { 825 if (mCancelled) { 826 mHeightAnimator = null; 827 onAnimationFinished.run(); 828 } else { 829 startUnlockHintAnimationPhase2(onAnimationFinished); 830 } 831 } 832 }); 833 animator.start(); 834 mHeightAnimator = animator; 835 mOriginalIndicationY = mKeyguardBottomArea.getIndicationView().getY(); 836 mKeyguardBottomArea.getIndicationView().animate() 837 .y(mOriginalIndicationY - mHintDistance) 838 .setDuration(250) 839 .setInterpolator(mFastOutSlowInInterpolator) 840 .withEndAction(new Runnable() { 841 @Override 842 public void run() { 843 mKeyguardBottomArea.getIndicationView().animate() 844 .y(mOriginalIndicationY) 845 .setDuration(450) 846 .setInterpolator(mBounceInterpolator) 847 .start(); 848 } 849 }) 850 .start(); 851 } 852 853 /** 854 * Phase 2: Bounce down. 855 */ 856 private void startUnlockHintAnimationPhase2(final Runnable onAnimationFinished) { 857 ValueAnimator animator = createHeightAnimator(getMaxPanelHeight()); 858 animator.setDuration(450); 859 animator.setInterpolator(mBounceInterpolator); 860 animator.addListener(new AnimatorListenerAdapter() { 861 @Override 862 public void onAnimationEnd(Animator animation) { 863 mHeightAnimator = null; 864 onAnimationFinished.run(); 865 } 866 }); 867 animator.start(); 868 mHeightAnimator = animator; 869 } 870 871 private ValueAnimator createHeightAnimator(float targetHeight) { 872 ValueAnimator animator = ValueAnimator.ofFloat(mExpandedHeight, targetHeight); 873 animator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() { 874 @Override 875 public void onAnimationUpdate(ValueAnimator animation) { 876 setExpandedHeightInternal((Float) animation.getAnimatedValue()); 877 } 878 }); 879 return animator; 880 } 881 882 private void notifyBarPanelExpansionChanged() { 883 mBar.panelExpansionChanged(this, mExpandedFraction, mExpandedFraction > 0f || mPeekPending 884 || mPeekAnimator != null); 885 } 886 887 /** 888 * Gets called when the user performs a click anywhere in the empty area of the panel. 889 * 890 * @return whether the panel will be expanded after the action performed by this method 891 */ 892 private boolean onEmptySpaceClick(float x) { 893 if (mHintAnimationRunning) { 894 return true; 895 } 896 if (x < mEdgeTapAreaWidth 897 && mStatusBar.getBarState() == StatusBarState.KEYGUARD) { 898 onEdgeClicked(false /* right */); 899 return true; 900 } else if (x > getWidth() - mEdgeTapAreaWidth 901 && mStatusBar.getBarState() == StatusBarState.KEYGUARD) { 902 onEdgeClicked(true /* right */); 903 return true; 904 } else { 905 return onMiddleClicked(); 906 } 907 } 908 909 private final Runnable mPostCollapseRunnable = new Runnable() { 910 @Override 911 public void run() { 912 collapse(false /* delayed */); 913 } 914 }; 915 private boolean onMiddleClicked() { 916 switch (mStatusBar.getBarState()) { 917 case StatusBarState.KEYGUARD: 918 startUnlockHintAnimation(); 919 return true; 920 case StatusBarState.SHADE_LOCKED: 921 mStatusBar.goToKeyguard(); 922 return true; 923 case StatusBarState.SHADE: 924 925 // This gets called in the middle of the touch handling, where the state is still 926 // that we are tracking the panel. Collapse the panel after this is done. 927 post(mPostCollapseRunnable); 928 return false; 929 default: 930 return true; 931 } 932 } 933 934 protected abstract void onEdgeClicked(boolean right); 935 936 public void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 937 pw.println(String.format("[PanelView(%s): expandedHeight=%f maxPanelHeight=%d closing=%s" 938 + " tracking=%s justPeeked=%s peekAnim=%s%s timeAnim=%s%s touchDisabled=%s" 939 + "]", 940 this.getClass().getSimpleName(), 941 getExpandedHeight(), 942 getMaxPanelHeight(), 943 mClosing?"T":"f", 944 mTracking?"T":"f", 945 mJustPeeked?"T":"f", 946 mPeekAnimator, ((mPeekAnimator!=null && mPeekAnimator.isStarted())?" (started)":""), 947 mHeightAnimator, ((mHeightAnimator !=null && mHeightAnimator.isStarted())?" (started)":""), 948 mTouchDisabled?"T":"f" 949 )); 950 } 951 952 public abstract void resetViews(); 953 954 protected abstract float getPeekHeight(); 955 956 protected abstract float getCannedFlingDurationFactor(); 957 958 /** 959 * @return whether "Clear all" button will be visible when the panel is fully expanded 960 */ 961 protected abstract boolean fullyExpandedClearAllVisible(); 962 963 protected abstract boolean isClearAllVisible(); 964 965 /** 966 * @return the height of the clear all button, in pixels 967 */ 968 protected abstract int getClearAllHeight(); 969} 970