PanelView.java revision dbbcfbe8aea1944fc0b0ecbf531034bcd5b5770a
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 endClosing(); 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 cancelHeightAnimator(); 254 cancelPeek(); 255 mTouchSlopExceeded = (mHeightAnimator != null && !mHintAnimationRunning) 256 || mPeekPending || mPeekAnimator != null; 257 onTrackingStarted(); 258 } 259 if (mExpandedHeight == 0) { 260 schedulePeek(); 261 } 262 break; 263 264 case MotionEvent.ACTION_POINTER_UP: 265 final int upPointer = event.getPointerId(event.getActionIndex()); 266 if (mTrackingPointer == upPointer) { 267 // gesture is ongoing, find a new pointer to track 268 final int newIndex = event.getPointerId(0) != upPointer ? 0 : 1; 269 final float newY = event.getY(newIndex); 270 final float newX = event.getX(newIndex); 271 mTrackingPointer = event.getPointerId(newIndex); 272 mInitialOffsetOnTouch = mExpandedHeight; 273 mInitialTouchY = newY; 274 mInitialTouchX = newX; 275 } 276 break; 277 278 case MotionEvent.ACTION_MOVE: 279 float h = y - mInitialTouchY; 280 281 // If the panel was collapsed when touching, we only need to check for the 282 // y-component of the gesture, as we have no conflicting horizontal gesture. 283 if (Math.abs(h) > mTouchSlop 284 && (Math.abs(h) > Math.abs(x - mInitialTouchX) 285 || mInitialOffsetOnTouch == 0f)) { 286 mTouchSlopExceeded = true; 287 if (waitForTouchSlop && !mTracking) { 288 if (!mJustPeeked) { 289 mInitialOffsetOnTouch = mExpandedHeight; 290 mInitialTouchX = x; 291 mInitialTouchY = y; 292 h = 0; 293 } 294 cancelHeightAnimator(); 295 removeCallbacks(mPeekRunnable); 296 mPeekPending = false; 297 onTrackingStarted(); 298 } 299 } 300 final float newHeight = Math.max(0, h + mInitialOffsetOnTouch); 301 if (newHeight > mPeekHeight) { 302 if (mPeekAnimator != null) { 303 mPeekAnimator.cancel(); 304 } 305 mJustPeeked = false; 306 } 307 if (-h >= getFalsingThreshold()) { 308 mTouchAboveFalsingThreshold = true; 309 } 310 if (!mJustPeeked && (!waitForTouchSlop || mTracking) && !isTrackingBlocked()) { 311 setExpandedHeightInternal(newHeight); 312 } 313 314 trackMovement(event); 315 break; 316 317 case MotionEvent.ACTION_UP: 318 case MotionEvent.ACTION_CANCEL: 319 mTrackingPointer = -1; 320 trackMovement(event); 321 if ((mTracking && mTouchSlopExceeded) 322 || Math.abs(x - mInitialTouchX) > mTouchSlop 323 || Math.abs(y - mInitialTouchY) > mTouchSlop 324 || event.getActionMasked() == MotionEvent.ACTION_CANCEL) { 325 float vel = 0f; 326 float vectorVel = 0f; 327 if (mVelocityTracker != null) { 328 mVelocityTracker.computeCurrentVelocity(1000); 329 vel = mVelocityTracker.getYVelocity(); 330 vectorVel = (float) Math.hypot( 331 mVelocityTracker.getXVelocity(), mVelocityTracker.getYVelocity()); 332 } 333 boolean expand = flingExpands(vel, vectorVel); 334 onTrackingStopped(expand); 335 DozeLog.traceFling(expand, mTouchAboveFalsingThreshold, 336 mStatusBar.isFalsingThresholdNeeded(), 337 mStatusBar.isScreenOnComingFromTouch()); 338 fling(vel, expand); 339 mUpdateFlingOnLayout = expand && mPanelClosedOnDown && !mHasLayoutedSinceDown; 340 if (mUpdateFlingOnLayout) { 341 mUpdateFlingVelocity = vel; 342 } 343 } else { 344 boolean expands = onEmptySpaceClick(mInitialTouchX); 345 onTrackingStopped(expands); 346 } 347 348 if (mVelocityTracker != null) { 349 mVelocityTracker.recycle(); 350 mVelocityTracker = null; 351 } 352 mPeekTouching = false; 353 break; 354 } 355 return !waitForTouchSlop || mTracking; 356 } 357 358 private int getFalsingThreshold() { 359 float factor = mStatusBar.isScreenOnComingFromTouch() ? 1.5f : 1.0f; 360 return (int) (mUnlockFalsingThreshold * factor); 361 } 362 363 protected abstract boolean hasConflictingGestures(); 364 365 protected void onTrackingStopped(boolean expand) { 366 mTracking = false; 367 mBar.onTrackingStopped(PanelView.this, expand); 368 } 369 370 protected void onTrackingStarted() { 371 endClosing(); 372 mTracking = true; 373 mCollapseAfterPeek = false; 374 mBar.onTrackingStarted(PanelView.this); 375 notifyExpandingStarted(); 376 } 377 378 @Override 379 public boolean onInterceptTouchEvent(MotionEvent event) { 380 if (mInstantExpanding) { 381 return false; 382 } 383 384 /* 385 * If the user drags anywhere inside the panel we intercept it if he moves his finger 386 * upwards. This allows closing the shade from anywhere inside the panel. 387 * 388 * We only do this if the current content is scrolled to the bottom, 389 * i.e isScrolledToBottom() is true and therefore there is no conflicting scrolling gesture 390 * possible. 391 */ 392 int pointerIndex = event.findPointerIndex(mTrackingPointer); 393 if (pointerIndex < 0) { 394 pointerIndex = 0; 395 mTrackingPointer = event.getPointerId(pointerIndex); 396 } 397 final float x = event.getX(pointerIndex); 398 final float y = event.getY(pointerIndex); 399 boolean scrolledToBottom = isScrolledToBottom(); 400 401 switch (event.getActionMasked()) { 402 case MotionEvent.ACTION_DOWN: 403 mStatusBar.userActivity(); 404 if (mHeightAnimator != null && !mHintAnimationRunning || 405 mPeekPending || mPeekAnimator != null) { 406 cancelHeightAnimator(); 407 cancelPeek(); 408 mTouchSlopExceeded = true; 409 return true; 410 } 411 mInitialTouchY = y; 412 mInitialTouchX = x; 413 mTouchSlopExceeded = false; 414 mJustPeeked = false; 415 mPanelClosedOnDown = mExpandedHeight == 0.0f; 416 mHasLayoutedSinceDown = false; 417 mUpdateFlingOnLayout = false; 418 mTouchAboveFalsingThreshold = false; 419 initVelocityTracker(); 420 trackMovement(event); 421 break; 422 case MotionEvent.ACTION_POINTER_UP: 423 final int upPointer = event.getPointerId(event.getActionIndex()); 424 if (mTrackingPointer == upPointer) { 425 // gesture is ongoing, find a new pointer to track 426 final int newIndex = event.getPointerId(0) != upPointer ? 0 : 1; 427 mTrackingPointer = event.getPointerId(newIndex); 428 mInitialTouchX = event.getX(newIndex); 429 mInitialTouchY = event.getY(newIndex); 430 } 431 break; 432 433 case MotionEvent.ACTION_MOVE: 434 final float h = y - mInitialTouchY; 435 trackMovement(event); 436 if (scrolledToBottom) { 437 if (h < -mTouchSlop && h < -Math.abs(x - mInitialTouchX)) { 438 cancelHeightAnimator(); 439 mInitialOffsetOnTouch = mExpandedHeight; 440 mInitialTouchY = y; 441 mInitialTouchX = x; 442 mTracking = true; 443 mTouchSlopExceeded = true; 444 onTrackingStarted(); 445 return true; 446 } 447 } 448 break; 449 case MotionEvent.ACTION_CANCEL: 450 case MotionEvent.ACTION_UP: 451 break; 452 } 453 return false; 454 } 455 456 private void cancelHeightAnimator() { 457 if (mHeightAnimator != null) { 458 mHeightAnimator.cancel(); 459 } 460 endClosing(); 461 } 462 463 private void endClosing() { 464 if (mClosing) { 465 mClosing = false; 466 onClosingFinished(); 467 } 468 } 469 470 private void initVelocityTracker() { 471 if (mVelocityTracker != null) { 472 mVelocityTracker.recycle(); 473 } 474 mVelocityTracker = VelocityTrackerFactory.obtain(getContext()); 475 } 476 477 protected boolean isScrolledToBottom() { 478 return true; 479 } 480 481 protected float getContentHeight() { 482 return mExpandedHeight; 483 } 484 485 @Override 486 protected void onFinishInflate() { 487 super.onFinishInflate(); 488 loadDimens(); 489 } 490 491 @Override 492 protected void onConfigurationChanged(Configuration newConfig) { 493 super.onConfigurationChanged(newConfig); 494 loadDimens(); 495 } 496 497 /** 498 * @param vel the current vertical velocity of the motion 499 * @param vectorVel the length of the vectorial velocity 500 * @return whether a fling should expands the panel; contracts otherwise 501 */ 502 protected boolean flingExpands(float vel, float vectorVel) { 503 if (isBelowFalsingThreshold()) { 504 return true; 505 } 506 if (Math.abs(vectorVel) < mFlingAnimationUtils.getMinVelocityPxPerSecond()) { 507 return getExpandedFraction() > 0.5f; 508 } else { 509 return vel > 0; 510 } 511 } 512 513 private boolean isBelowFalsingThreshold() { 514 return !mTouchAboveFalsingThreshold && mStatusBar.isFalsingThresholdNeeded(); 515 } 516 517 protected void fling(float vel, boolean expand) { 518 cancelPeek(); 519 float target = expand ? getMaxPanelHeight() : 0.0f; 520 521 // Hack to make the expand transition look nice when clear all button is visible - we make 522 // the animation only to the last notification, and then jump to the maximum panel height so 523 // clear all just fades in and the decelerating motion is towards the last notification. 524 final boolean clearAllExpandHack = expand && fullyExpandedClearAllVisible() 525 && mExpandedHeight < getMaxPanelHeight() - getClearAllHeight() 526 && !isClearAllVisible(); 527 if (clearAllExpandHack) { 528 target = getMaxPanelHeight() - getClearAllHeight(); 529 } 530 if (target == mExpandedHeight || getOverExpansionAmount() > 0f && expand) { 531 notifyExpandingFinished(); 532 return; 533 } 534 mOverExpandedBeforeFling = getOverExpansionAmount() > 0f; 535 ValueAnimator animator = createHeightAnimator(target); 536 if (expand) { 537 boolean belowFalsingThreshold = isBelowFalsingThreshold(); 538 if (belowFalsingThreshold) { 539 vel = 0; 540 } 541 mFlingAnimationUtils.apply(animator, mExpandedHeight, target, vel, getHeight()); 542 if (belowFalsingThreshold) { 543 animator.setDuration(350); 544 } 545 } else { 546 mFlingAnimationUtils.applyDismissing(animator, mExpandedHeight, target, vel, 547 getHeight()); 548 549 // Make it shorter if we run a canned animation 550 if (vel == 0) { 551 animator.setDuration((long) 552 (animator.getDuration() * getCannedFlingDurationFactor())); 553 } 554 } 555 animator.addListener(new AnimatorListenerAdapter() { 556 private boolean mCancelled; 557 558 @Override 559 public void onAnimationCancel(Animator animation) { 560 mCancelled = true; 561 } 562 563 @Override 564 public void onAnimationEnd(Animator animation) { 565 if (clearAllExpandHack && !mCancelled) { 566 setExpandedHeightInternal(getMaxPanelHeight()); 567 } 568 mHeightAnimator = null; 569 if (!mCancelled) { 570 notifyExpandingFinished(); 571 } 572 } 573 }); 574 mHeightAnimator = animator; 575 animator.start(); 576 } 577 578 @Override 579 protected void onAttachedToWindow() { 580 super.onAttachedToWindow(); 581 mViewName = getResources().getResourceName(getId()); 582 } 583 584 public String getName() { 585 return mViewName; 586 } 587 588 public void setExpandedHeight(float height) { 589 if (DEBUG) logf("setExpandedHeight(%.1f)", height); 590 setExpandedHeightInternal(height + getOverExpansionPixels()); 591 } 592 593 @Override 594 protected void onLayout (boolean changed, int left, int top, int right, int bottom) { 595 super.onLayout(changed, left, top, right, bottom); 596 requestPanelHeightUpdate(); 597 mHasLayoutedSinceDown = true; 598 if (mUpdateFlingOnLayout) { 599 abortAnimations(); 600 fling(mUpdateFlingVelocity, true); 601 mUpdateFlingOnLayout = false; 602 } 603 } 604 605 protected void requestPanelHeightUpdate() { 606 float currentMaxPanelHeight = getMaxPanelHeight(); 607 608 // If the user isn't actively poking us, let's update the height 609 if ((!mTracking || isTrackingBlocked()) 610 && mHeightAnimator == null 611 && mExpandedHeight > 0 612 && currentMaxPanelHeight != mExpandedHeight 613 && !mPeekPending 614 && mPeekAnimator == null 615 && !mPeekTouching) { 616 setExpandedHeight(currentMaxPanelHeight); 617 } 618 } 619 620 public void setExpandedHeightInternal(float h) { 621 float fhWithoutOverExpansion = getMaxPanelHeight() - getOverExpansionAmount(); 622 if (mHeightAnimator == null) { 623 float overExpansionPixels = Math.max(0, h - fhWithoutOverExpansion); 624 if (getOverExpansionPixels() != overExpansionPixels && mTracking) { 625 setOverExpansion(overExpansionPixels, true /* isPixels */); 626 } 627 mExpandedHeight = Math.min(h, fhWithoutOverExpansion) + getOverExpansionAmount(); 628 } else { 629 mExpandedHeight = h; 630 if (mOverExpandedBeforeFling) { 631 setOverExpansion(Math.max(0, h - fhWithoutOverExpansion), false /* isPixels */); 632 } 633 } 634 635 mExpandedHeight = Math.max(0, mExpandedHeight); 636 onHeightUpdated(mExpandedHeight); 637 mExpandedFraction = Math.min(1f, fhWithoutOverExpansion == 0 638 ? 0 639 : mExpandedHeight / fhWithoutOverExpansion); 640 notifyBarPanelExpansionChanged(); 641 } 642 643 /** 644 * @return true if the panel tracking should be temporarily blocked; this is used when a 645 * conflicting gesture (opening QS) is happening 646 */ 647 protected abstract boolean isTrackingBlocked(); 648 649 protected abstract void setOverExpansion(float overExpansion, boolean isPixels); 650 651 protected abstract void onHeightUpdated(float expandedHeight); 652 653 protected abstract float getOverExpansionAmount(); 654 655 protected abstract float getOverExpansionPixels(); 656 657 /** 658 * This returns the maximum height of the panel. Children should override this if their 659 * desired height is not the full height. 660 * 661 * @return the default implementation simply returns the maximum height. 662 */ 663 protected abstract int getMaxPanelHeight(); 664 665 public void setExpandedFraction(float frac) { 666 setExpandedHeight(getMaxPanelHeight() * frac); 667 } 668 669 public float getExpandedHeight() { 670 return mExpandedHeight; 671 } 672 673 public float getExpandedFraction() { 674 return mExpandedFraction; 675 } 676 677 public boolean isFullyExpanded() { 678 return mExpandedHeight >= getMaxPanelHeight(); 679 } 680 681 public boolean isFullyCollapsed() { 682 return mExpandedHeight <= 0; 683 } 684 685 public boolean isCollapsing() { 686 return mClosing; 687 } 688 689 public boolean isTracking() { 690 return mTracking; 691 } 692 693 public void setBar(PanelBar panelBar) { 694 mBar = panelBar; 695 } 696 697 public void collapse(boolean delayed) { 698 if (DEBUG) logf("collapse: " + this); 699 if (mPeekPending || mPeekAnimator != null) { 700 mCollapseAfterPeek = true; 701 if (mPeekPending) { 702 703 // We know that the whole gesture is just a peek triggered by a simple click, so 704 // better start it now. 705 removeCallbacks(mPeekRunnable); 706 mPeekRunnable.run(); 707 } 708 } else if (!isFullyCollapsed() && !mTracking && !mClosing) { 709 cancelHeightAnimator(); 710 mClosing = true; 711 notifyExpandingStarted(); 712 if (delayed) { 713 postDelayed(mFlingCollapseRunnable, 120); 714 } else { 715 fling(0, false /* expand */); 716 } 717 } 718 } 719 720 private final Runnable mFlingCollapseRunnable = new Runnable() { 721 @Override 722 public void run() { 723 fling(0, false /* expand */); 724 } 725 }; 726 727 public void expand() { 728 if (DEBUG) logf("expand: " + this); 729 if (isFullyCollapsed()) { 730 mBar.startOpeningPanel(this); 731 notifyExpandingStarted(); 732 fling(0, true /* expand */); 733 } else if (DEBUG) { 734 if (DEBUG) logf("skipping expansion: is expanded"); 735 } 736 } 737 738 public void cancelPeek() { 739 if (mPeekAnimator != null) { 740 mPeekAnimator.cancel(); 741 } 742 removeCallbacks(mPeekRunnable); 743 mPeekPending = false; 744 745 // When peeking, we already tell mBar that we expanded ourselves. Make sure that we also 746 // notify mBar that we might have closed ourselves. 747 notifyBarPanelExpansionChanged(); 748 } 749 750 public void instantExpand() { 751 mInstantExpanding = true; 752 mUpdateFlingOnLayout = false; 753 abortAnimations(); 754 cancelPeek(); 755 if (mTracking) { 756 onTrackingStopped(true /* expands */); // The panel is expanded after this call. 757 } 758 if (mExpanding) { 759 notifyExpandingFinished(); 760 } 761 setVisibility(VISIBLE); 762 763 // Wait for window manager to pickup the change, so we know the maximum height of the panel 764 // then. 765 getViewTreeObserver().addOnGlobalLayoutListener( 766 new ViewTreeObserver.OnGlobalLayoutListener() { 767 @Override 768 public void onGlobalLayout() { 769 if (mStatusBar.getStatusBarWindow().getHeight() 770 != mStatusBar.getStatusBarHeight()) { 771 getViewTreeObserver().removeOnGlobalLayoutListener(this); 772 setExpandedFraction(1f); 773 mInstantExpanding = false; 774 } 775 } 776 }); 777 778 // Make sure a layout really happens. 779 requestLayout(); 780 } 781 782 public void instantCollapse() { 783 abortAnimations(); 784 setExpandedFraction(0f); 785 if (mExpanding) { 786 notifyExpandingFinished(); 787 } 788 } 789 790 private void abortAnimations() { 791 cancelPeek(); 792 cancelHeightAnimator(); 793 removeCallbacks(mPostCollapseRunnable); 794 removeCallbacks(mFlingCollapseRunnable); 795 } 796 797 protected void onClosingFinished() { 798 mBar.onClosingFinished(); 799 } 800 801 802 protected void startUnlockHintAnimation() { 803 804 // We don't need to hint the user if an animation is already running or the user is changing 805 // the expansion. 806 if (mHeightAnimator != null || mTracking) { 807 return; 808 } 809 cancelPeek(); 810 notifyExpandingStarted(); 811 startUnlockHintAnimationPhase1(new Runnable() { 812 @Override 813 public void run() { 814 notifyExpandingFinished(); 815 mStatusBar.onHintFinished(); 816 mHintAnimationRunning = false; 817 } 818 }); 819 mStatusBar.onUnlockHintStarted(); 820 mHintAnimationRunning = true; 821 } 822 823 /** 824 * Phase 1: Move everything upwards. 825 */ 826 private void startUnlockHintAnimationPhase1(final Runnable onAnimationFinished) { 827 float target = Math.max(0, getMaxPanelHeight() - mHintDistance); 828 ValueAnimator animator = createHeightAnimator(target); 829 animator.setDuration(250); 830 animator.setInterpolator(mFastOutSlowInInterpolator); 831 animator.addListener(new AnimatorListenerAdapter() { 832 private boolean mCancelled; 833 834 @Override 835 public void onAnimationCancel(Animator animation) { 836 mCancelled = true; 837 } 838 839 @Override 840 public void onAnimationEnd(Animator animation) { 841 if (mCancelled) { 842 mHeightAnimator = null; 843 onAnimationFinished.run(); 844 } else { 845 startUnlockHintAnimationPhase2(onAnimationFinished); 846 } 847 } 848 }); 849 animator.start(); 850 mHeightAnimator = animator; 851 mOriginalIndicationY = mKeyguardBottomArea.getIndicationView().getY(); 852 mKeyguardBottomArea.getIndicationView().animate() 853 .y(mOriginalIndicationY - mHintDistance) 854 .setDuration(250) 855 .setInterpolator(mFastOutSlowInInterpolator) 856 .withEndAction(new Runnable() { 857 @Override 858 public void run() { 859 mKeyguardBottomArea.getIndicationView().animate() 860 .y(mOriginalIndicationY) 861 .setDuration(450) 862 .setInterpolator(mBounceInterpolator) 863 .start(); 864 } 865 }) 866 .start(); 867 } 868 869 /** 870 * Phase 2: Bounce down. 871 */ 872 private void startUnlockHintAnimationPhase2(final Runnable onAnimationFinished) { 873 ValueAnimator animator = createHeightAnimator(getMaxPanelHeight()); 874 animator.setDuration(450); 875 animator.setInterpolator(mBounceInterpolator); 876 animator.addListener(new AnimatorListenerAdapter() { 877 @Override 878 public void onAnimationEnd(Animator animation) { 879 mHeightAnimator = null; 880 onAnimationFinished.run(); 881 } 882 }); 883 animator.start(); 884 mHeightAnimator = animator; 885 } 886 887 private ValueAnimator createHeightAnimator(float targetHeight) { 888 ValueAnimator animator = ValueAnimator.ofFloat(mExpandedHeight, targetHeight); 889 animator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() { 890 @Override 891 public void onAnimationUpdate(ValueAnimator animation) { 892 setExpandedHeightInternal((Float) animation.getAnimatedValue()); 893 } 894 }); 895 return animator; 896 } 897 898 private void notifyBarPanelExpansionChanged() { 899 mBar.panelExpansionChanged(this, mExpandedFraction, mExpandedFraction > 0f || mPeekPending 900 || mPeekAnimator != null); 901 } 902 903 /** 904 * Gets called when the user performs a click anywhere in the empty area of the panel. 905 * 906 * @return whether the panel will be expanded after the action performed by this method 907 */ 908 private boolean onEmptySpaceClick(float x) { 909 if (mHintAnimationRunning) { 910 return true; 911 } 912 if (x < mEdgeTapAreaWidth 913 && mStatusBar.getBarState() == StatusBarState.KEYGUARD) { 914 onEdgeClicked(false /* right */); 915 return true; 916 } else if (x > getWidth() - mEdgeTapAreaWidth 917 && mStatusBar.getBarState() == StatusBarState.KEYGUARD) { 918 onEdgeClicked(true /* right */); 919 return true; 920 } else { 921 return onMiddleClicked(); 922 } 923 } 924 925 private final Runnable mPostCollapseRunnable = new Runnable() { 926 @Override 927 public void run() { 928 collapse(false /* delayed */); 929 } 930 }; 931 private boolean onMiddleClicked() { 932 switch (mStatusBar.getBarState()) { 933 case StatusBarState.KEYGUARD: 934 if (!isDozing()) { 935 startUnlockHintAnimation(); 936 } 937 return true; 938 case StatusBarState.SHADE_LOCKED: 939 mStatusBar.goToKeyguard(); 940 return true; 941 case StatusBarState.SHADE: 942 943 // This gets called in the middle of the touch handling, where the state is still 944 // that we are tracking the panel. Collapse the panel after this is done. 945 post(mPostCollapseRunnable); 946 return false; 947 default: 948 return true; 949 } 950 } 951 952 protected abstract void onEdgeClicked(boolean right); 953 954 protected abstract boolean isDozing(); 955 956 public void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 957 pw.println(String.format("[PanelView(%s): expandedHeight=%f maxPanelHeight=%d closing=%s" 958 + " tracking=%s justPeeked=%s peekAnim=%s%s timeAnim=%s%s touchDisabled=%s" 959 + "]", 960 this.getClass().getSimpleName(), 961 getExpandedHeight(), 962 getMaxPanelHeight(), 963 mClosing?"T":"f", 964 mTracking?"T":"f", 965 mJustPeeked?"T":"f", 966 mPeekAnimator, ((mPeekAnimator!=null && mPeekAnimator.isStarted())?" (started)":""), 967 mHeightAnimator, ((mHeightAnimator !=null && mHeightAnimator.isStarted())?" (started)":""), 968 mTouchDisabled?"T":"f" 969 )); 970 } 971 972 public abstract void resetViews(); 973 974 protected abstract float getPeekHeight(); 975 976 protected abstract float getCannedFlingDurationFactor(); 977 978 /** 979 * @return whether "Clear all" button will be visible when the panel is fully expanded 980 */ 981 protected abstract boolean fullyExpandedClearAllVisible(); 982 983 protected abstract boolean isClearAllVisible(); 984 985 /** 986 * @return the height of the clear all button, in pixels 987 */ 988 protected abstract int getClearAllHeight(); 989} 990