PanelView.java revision b01287fbfb548da2efb4f0e42bdcbdd4d1c950da
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.statusbar.FlingAnimationUtils; 37import com.android.systemui.statusbar.StatusBarState; 38 39import java.io.FileDescriptor; 40import java.io.PrintWriter; 41 42public abstract class PanelView extends FrameLayout { 43 public static final boolean DEBUG = PanelBar.DEBUG; 44 public static final String TAG = PanelView.class.getSimpleName(); 45 46 private final void logf(String fmt, Object... args) { 47 Log.v(TAG, (mViewName != null ? (mViewName + ": ") : "") + String.format(fmt, args)); 48 } 49 50 protected PhoneStatusBar mStatusBar; 51 private float mPeekHeight; 52 private float mHintDistance; 53 private int mEdgeTapAreaWidth; 54 private float mInitialOffsetOnTouch; 55 private float mExpandedFraction = 0; 56 protected float mExpandedHeight = 0; 57 private boolean mPanelClosedOnDown; 58 private boolean mHasLayoutedSinceDown; 59 private float mUpdateFlingVelocity; 60 private boolean mUpdateFlingOnLayout; 61 private boolean mPeekTouching; 62 private boolean mJustPeeked; 63 private boolean mClosing; 64 protected boolean mTracking; 65 private boolean mTouchSlopExceeded; 66 private int mTrackingPointer; 67 protected int mTouchSlop; 68 protected boolean mHintAnimationRunning; 69 private boolean mOverExpandedBeforeFling; 70 private float mOriginalIndicationY; 71 private boolean mTouchAboveFalsingThreshold; 72 private int mUnlockFalsingThreshold; 73 74 private ValueAnimator mHeightAnimator; 75 private ObjectAnimator mPeekAnimator; 76 private VelocityTrackerInterface mVelocityTracker; 77 private FlingAnimationUtils mFlingAnimationUtils; 78 79 /** 80 * Whether an instant expand request is currently pending and we are just waiting for layout. 81 */ 82 private boolean mInstantExpanding; 83 84 PanelBar mBar; 85 86 private String mViewName; 87 private float mInitialTouchY; 88 private float mInitialTouchX; 89 90 private Interpolator mLinearOutSlowInInterpolator; 91 private Interpolator mFastOutSlowInInterpolator; 92 private Interpolator mBounceInterpolator; 93 protected KeyguardBottomAreaView mKeyguardBottomArea; 94 95 private boolean mPeekPending; 96 private boolean mCollapseAfterPeek; 97 private boolean mExpanding; 98 private boolean mGestureWaitForTouchSlop; 99 private Runnable mPeekRunnable = new Runnable() { 100 @Override 101 public void run() { 102 mPeekPending = false; 103 runPeekAnimation(); 104 } 105 }; 106 107 protected void onExpandingFinished() { 108 mClosing = false; 109 mBar.onExpandingFinished(); 110 } 111 112 protected void onExpandingStarted() { 113 } 114 115 private void notifyExpandingStarted() { 116 if (!mExpanding) { 117 mExpanding = true; 118 onExpandingStarted(); 119 } 120 } 121 122 private void notifyExpandingFinished() { 123 if (mExpanding) { 124 mExpanding = false; 125 onExpandingFinished(); 126 } 127 } 128 129 private void schedulePeek() { 130 mPeekPending = true; 131 long timeout = ViewConfiguration.getTapTimeout(); 132 postOnAnimationDelayed(mPeekRunnable, timeout); 133 notifyBarPanelExpansionChanged(); 134 } 135 136 private void runPeekAnimation() { 137 if (PhoneStatusBar.DEBUG_EMPTY_KEYGUARD) { 138 Log.i(TAG, "Starting peek animation"); 139 } 140 mPeekHeight = getPeekHeight(); 141 if (DEBUG) logf("peek to height=%.1f", mPeekHeight); 142 if (mHeightAnimator != null) { 143 return; 144 } 145 mPeekAnimator = ObjectAnimator.ofFloat(this, "expandedHeight", mPeekHeight) 146 .setDuration(250); 147 mPeekAnimator.setInterpolator(mLinearOutSlowInInterpolator); 148 mPeekAnimator.addListener(new AnimatorListenerAdapter() { 149 private boolean mCancelled; 150 151 @Override 152 public void onAnimationCancel(Animator animation) { 153 mCancelled = true; 154 } 155 156 @Override 157 public void onAnimationEnd(Animator animation) { 158 mPeekAnimator = null; 159 if (mCollapseAfterPeek && !mCancelled) { 160 if (PhoneStatusBar.DEBUG_EMPTY_KEYGUARD) { 161 Log.i(TAG, "Peek animation finished, posting collapse"); 162 } 163 postOnAnimation(new Runnable() { 164 @Override 165 public void run() { 166 if (PhoneStatusBar.DEBUG_EMPTY_KEYGUARD) { 167 Log.i(TAG, "Peek animation finished, collapsing"); 168 } 169 collapse(false /* delayed */); 170 } 171 }); 172 } 173 mCollapseAfterPeek = false; 174 } 175 }); 176 notifyExpandingStarted(); 177 mPeekAnimator.start(); 178 mJustPeeked = true; 179 } 180 181 public PanelView(Context context, AttributeSet attrs) { 182 super(context, attrs); 183 mFlingAnimationUtils = new FlingAnimationUtils(context, 0.6f); 184 mFastOutSlowInInterpolator = 185 AnimationUtils.loadInterpolator(context, android.R.interpolator.fast_out_slow_in); 186 mLinearOutSlowInInterpolator = 187 AnimationUtils.loadInterpolator(context, android.R.interpolator.linear_out_slow_in); 188 mBounceInterpolator = new BounceInterpolator(); 189 } 190 191 protected void loadDimens() { 192 final Resources res = getContext().getResources(); 193 final ViewConfiguration configuration = ViewConfiguration.get(getContext()); 194 mTouchSlop = configuration.getScaledTouchSlop(); 195 mHintDistance = res.getDimension(R.dimen.hint_move_distance); 196 mEdgeTapAreaWidth = res.getDimensionPixelSize(R.dimen.edge_tap_area_width); 197 mUnlockFalsingThreshold = res.getDimensionPixelSize(R.dimen.unlock_falsing_threshold); 198 } 199 200 private void trackMovement(MotionEvent event) { 201 // Add movement to velocity tracker using raw screen X and Y coordinates instead 202 // of window coordinates because the window frame may be moving at the same time. 203 float deltaX = event.getRawX() - event.getX(); 204 float deltaY = event.getRawY() - event.getY(); 205 event.offsetLocation(deltaX, deltaY); 206 if (mVelocityTracker != null) mVelocityTracker.addMovement(event); 207 event.offsetLocation(-deltaX, -deltaY); 208 } 209 210 @Override 211 public boolean onTouchEvent(MotionEvent event) { 212 if (mInstantExpanding) { 213 return false; 214 } 215 216 /* 217 * We capture touch events here and update the expand height here in case according to 218 * the users fingers. This also handles multi-touch. 219 * 220 * If the user just clicks shortly, we give him a quick peek of the shade. 221 * 222 * Flinging is also enabled in order to open or close the shade. 223 */ 224 225 int pointerIndex = event.findPointerIndex(mTrackingPointer); 226 if (pointerIndex < 0) { 227 pointerIndex = 0; 228 mTrackingPointer = event.getPointerId(pointerIndex); 229 } 230 final float y = event.getY(pointerIndex); 231 final float x = event.getX(pointerIndex); 232 233 if (event.getActionMasked() == MotionEvent.ACTION_DOWN) { 234 mGestureWaitForTouchSlop = mExpandedHeight == 0f; 235 } 236 boolean waitForTouchSlop = hasConflictingGestures() || mGestureWaitForTouchSlop; 237 238 switch (event.getActionMasked()) { 239 case MotionEvent.ACTION_DOWN: 240 mInitialTouchY = y; 241 mInitialTouchX = x; 242 mInitialOffsetOnTouch = mExpandedHeight; 243 mTouchSlopExceeded = false; 244 mJustPeeked = false; 245 mPanelClosedOnDown = mExpandedHeight == 0.0f; 246 mHasLayoutedSinceDown = false; 247 mUpdateFlingOnLayout = false; 248 mPeekTouching = mPanelClosedOnDown; 249 mTouchAboveFalsingThreshold = false; 250 if (mVelocityTracker == null) { 251 initVelocityTracker(); 252 } 253 trackMovement(event); 254 if (!waitForTouchSlop || (mHeightAnimator != null && !mHintAnimationRunning) || 255 mPeekPending || mPeekAnimator != null) { 256 if (mHeightAnimator != null) { 257 mHeightAnimator.cancel(); // end any outstanding animations 258 } 259 cancelPeek(); 260 mTouchSlopExceeded = (mHeightAnimator != null && !mHintAnimationRunning) 261 || mPeekPending || mPeekAnimator != null; 262 onTrackingStarted(); 263 } 264 if (mExpandedHeight == 0) { 265 schedulePeek(); 266 } 267 break; 268 269 case MotionEvent.ACTION_POINTER_UP: 270 final int upPointer = event.getPointerId(event.getActionIndex()); 271 if (mTrackingPointer == upPointer) { 272 // gesture is ongoing, find a new pointer to track 273 final int newIndex = event.getPointerId(0) != upPointer ? 0 : 1; 274 final float newY = event.getY(newIndex); 275 final float newX = event.getX(newIndex); 276 mTrackingPointer = event.getPointerId(newIndex); 277 mInitialOffsetOnTouch = mExpandedHeight; 278 mInitialTouchY = newY; 279 mInitialTouchX = newX; 280 } 281 break; 282 283 case MotionEvent.ACTION_MOVE: 284 float h = y - mInitialTouchY; 285 286 // If the panel was collapsed when touching, we only need to check for the 287 // y-component of the gesture, as we have no conflicting horizontal gesture. 288 if (Math.abs(h) > mTouchSlop 289 && (Math.abs(h) > Math.abs(x - mInitialTouchX) 290 || mInitialOffsetOnTouch == 0f)) { 291 mTouchSlopExceeded = true; 292 if (waitForTouchSlop && !mTracking) { 293 if (!mJustPeeked) { 294 mInitialOffsetOnTouch = mExpandedHeight; 295 mInitialTouchX = x; 296 mInitialTouchY = y; 297 h = 0; 298 } 299 if (mHeightAnimator != null) { 300 mHeightAnimator.cancel(); // end any outstanding animations 301 } 302 removeCallbacks(mPeekRunnable); 303 mPeekPending = false; 304 onTrackingStarted(); 305 } 306 } 307 final float newHeight = Math.max(0, h + mInitialOffsetOnTouch); 308 if (newHeight > mPeekHeight) { 309 if (mPeekAnimator != null) { 310 mPeekAnimator.cancel(); 311 } 312 mJustPeeked = false; 313 } 314 if (-h >= mUnlockFalsingThreshold) { 315 mTouchAboveFalsingThreshold = true; 316 } 317 if (!mJustPeeked && (!waitForTouchSlop || mTracking) && !isTrackingBlocked()) { 318 setExpandedHeightInternal(newHeight); 319 } 320 321 trackMovement(event); 322 break; 323 324 case MotionEvent.ACTION_UP: 325 case MotionEvent.ACTION_CANCEL: 326 mTrackingPointer = -1; 327 trackMovement(event); 328 if ((mTracking && mTouchSlopExceeded) 329 || Math.abs(x - mInitialTouchX) > mTouchSlop 330 || Math.abs(y - mInitialTouchY) > mTouchSlop 331 || event.getActionMasked() == MotionEvent.ACTION_CANCEL) { 332 float vel = 0f; 333 float vectorVel = 0f; 334 if (mVelocityTracker != null) { 335 mVelocityTracker.computeCurrentVelocity(1000); 336 vel = mVelocityTracker.getYVelocity(); 337 vectorVel = (float) Math.hypot( 338 mVelocityTracker.getXVelocity(), mVelocityTracker.getYVelocity()); 339 } 340 boolean expand = flingExpands(vel, vectorVel); 341 onTrackingStopped(expand); 342 if (PhoneStatusBar.DEBUG_EMPTY_KEYGUARD) { 343 Log.i(TAG, "Flinging: expand=" + expand); 344 } 345 fling(vel, expand); 346 mUpdateFlingOnLayout = expand && mPanelClosedOnDown && !mHasLayoutedSinceDown; 347 if (mUpdateFlingOnLayout) { 348 mUpdateFlingVelocity = vel; 349 } 350 } else { 351 boolean expands = onEmptySpaceClick(mInitialTouchX); 352 onTrackingStopped(expands); 353 } 354 355 if (mVelocityTracker != null) { 356 mVelocityTracker.recycle(); 357 mVelocityTracker = null; 358 } 359 mPeekTouching = false; 360 break; 361 } 362 return !waitForTouchSlop || mTracking; 363 } 364 365 protected abstract boolean hasConflictingGestures(); 366 367 protected void onTrackingStopped(boolean expand) { 368 mTracking = false; 369 mBar.onTrackingStopped(PanelView.this, expand); 370 } 371 372 protected void onTrackingStarted() { 373 mTracking = true; 374 mCollapseAfterPeek = false; 375 mBar.onTrackingStarted(PanelView.this); 376 notifyExpandingStarted(); 377 } 378 379 @Override 380 public boolean onInterceptTouchEvent(MotionEvent event) { 381 if (mInstantExpanding) { 382 return false; 383 } 384 385 /* 386 * If the user drags anywhere inside the panel we intercept it if he moves his finger 387 * upwards. This allows closing the shade from anywhere inside the panel. 388 * 389 * We only do this if the current content is scrolled to the bottom, 390 * i.e isScrolledToBottom() is true and therefore there is no conflicting scrolling gesture 391 * possible. 392 */ 393 int pointerIndex = event.findPointerIndex(mTrackingPointer); 394 if (pointerIndex < 0) { 395 pointerIndex = 0; 396 mTrackingPointer = event.getPointerId(pointerIndex); 397 } 398 final float x = event.getX(pointerIndex); 399 final float y = event.getY(pointerIndex); 400 boolean scrolledToBottom = isScrolledToBottom(); 401 402 switch (event.getActionMasked()) { 403 case MotionEvent.ACTION_DOWN: 404 mStatusBar.userActivity(); 405 if (mHeightAnimator != null && !mHintAnimationRunning || 406 mPeekPending || mPeekAnimator != null) { 407 if (mHeightAnimator != null) { 408 mHeightAnimator.cancel(); // end any outstanding animations 409 } 410 cancelPeek(); 411 mTouchSlopExceeded = true; 412 return true; 413 } 414 mInitialTouchY = y; 415 mInitialTouchX = x; 416 mTouchSlopExceeded = false; 417 mJustPeeked = false; 418 mPanelClosedOnDown = mExpandedHeight == 0.0f; 419 mHasLayoutedSinceDown = false; 420 mUpdateFlingOnLayout = false; 421 mTouchAboveFalsingThreshold = false; 422 initVelocityTracker(); 423 trackMovement(event); 424 break; 425 case MotionEvent.ACTION_POINTER_UP: 426 final int upPointer = event.getPointerId(event.getActionIndex()); 427 if (mTrackingPointer == upPointer) { 428 // gesture is ongoing, find a new pointer to track 429 final int newIndex = event.getPointerId(0) != upPointer ? 0 : 1; 430 mTrackingPointer = event.getPointerId(newIndex); 431 mInitialTouchX = event.getX(newIndex); 432 mInitialTouchY = event.getY(newIndex); 433 } 434 break; 435 436 case MotionEvent.ACTION_MOVE: 437 final float h = y - mInitialTouchY; 438 trackMovement(event); 439 if (scrolledToBottom) { 440 if (h < -mTouchSlop && h < -Math.abs(x - mInitialTouchX)) { 441 if (mHeightAnimator != null) { 442 mHeightAnimator.cancel(); 443 } 444 mInitialOffsetOnTouch = mExpandedHeight; 445 mInitialTouchY = y; 446 mInitialTouchX = x; 447 mTracking = true; 448 mTouchSlopExceeded = true; 449 onTrackingStarted(); 450 return true; 451 } 452 } 453 break; 454 case MotionEvent.ACTION_CANCEL: 455 case MotionEvent.ACTION_UP: 456 break; 457 } 458 return false; 459 } 460 461 private void initVelocityTracker() { 462 if (mVelocityTracker != null) { 463 mVelocityTracker.recycle(); 464 } 465 mVelocityTracker = VelocityTrackerFactory.obtain(getContext()); 466 } 467 468 protected boolean isScrolledToBottom() { 469 return true; 470 } 471 472 protected float getContentHeight() { 473 return mExpandedHeight; 474 } 475 476 @Override 477 protected void onFinishInflate() { 478 super.onFinishInflate(); 479 loadDimens(); 480 } 481 482 @Override 483 protected void onConfigurationChanged(Configuration newConfig) { 484 super.onConfigurationChanged(newConfig); 485 loadDimens(); 486 } 487 488 /** 489 * @param vel the current vertical velocity of the motion 490 * @param vectorVel the length of the vectorial velocity 491 * @return whether a fling should expands the panel; contracts otherwise 492 */ 493 protected boolean flingExpands(float vel, float vectorVel) { 494 if (isBelowFalsingThreshold()) { 495 return true; 496 } 497 if (Math.abs(vectorVel) < mFlingAnimationUtils.getMinVelocityPxPerSecond()) { 498 return getExpandedFraction() > 0.5f; 499 } else { 500 return vel > 0; 501 } 502 } 503 504 private boolean isBelowFalsingThreshold() { 505 return !mTouchAboveFalsingThreshold && mStatusBar.isFalsingThresholdNeeded(); 506 } 507 508 protected void fling(float vel, boolean expand) { 509 cancelPeek(); 510 float target = expand ? getMaxPanelHeight() : 0.0f; 511 512 // Hack to make the expand transition look nice when clear all button is visible - we make 513 // the animation only to the last notification, and then jump to the maximum panel height so 514 // clear all just fades in and the decelerating motion is towards the last notification. 515 final boolean clearAllExpandHack = expand && fullyExpandedClearAllVisible() 516 && mExpandedHeight < getMaxPanelHeight() - getClearAllHeight() 517 && !isClearAllVisible(); 518 if (clearAllExpandHack) { 519 target = getMaxPanelHeight() - getClearAllHeight(); 520 } 521 if (target == mExpandedHeight || getOverExpansionAmount() > 0f && expand) { 522 notifyExpandingFinished(); 523 return; 524 } 525 if (PhoneStatusBar.DEBUG_EMPTY_KEYGUARD) { 526 Log.i(TAG, "Executing fling: expand=" + expand + " vel=" + vel); 527 } 528 mOverExpandedBeforeFling = getOverExpansionAmount() > 0f; 529 ValueAnimator animator = createHeightAnimator(target); 530 if (expand) { 531 boolean belowFalsingThreshold = isBelowFalsingThreshold(); 532 if (belowFalsingThreshold) { 533 vel = 0; 534 } 535 mFlingAnimationUtils.apply(animator, mExpandedHeight, target, vel, getHeight()); 536 if (belowFalsingThreshold) { 537 animator.setDuration(350); 538 } 539 } else { 540 mFlingAnimationUtils.applyDismissing(animator, mExpandedHeight, target, vel, 541 getHeight()); 542 543 // Make it shorter if we run a canned animation 544 if (vel == 0) { 545 animator.setDuration((long) 546 (animator.getDuration() * getCannedFlingDurationFactor())); 547 } 548 } 549 animator.addListener(new AnimatorListenerAdapter() { 550 private boolean mCancelled; 551 552 @Override 553 public void onAnimationCancel(Animator animation) { 554 mCancelled = true; 555 } 556 557 @Override 558 public void onAnimationEnd(Animator animation) { 559 if (clearAllExpandHack && !mCancelled) { 560 setExpandedHeightInternal(getMaxPanelHeight()); 561 } 562 mHeightAnimator = null; 563 if (!mCancelled) { 564 notifyExpandingFinished(); 565 } 566 } 567 }); 568 mHeightAnimator = animator; 569 animator.start(); 570 } 571 572 @Override 573 protected void onAttachedToWindow() { 574 super.onAttachedToWindow(); 575 mViewName = getResources().getResourceName(getId()); 576 } 577 578 public String getName() { 579 return mViewName; 580 } 581 582 public void setExpandedHeight(float height) { 583 if (DEBUG) logf("setExpandedHeight(%.1f)", height); 584 setExpandedHeightInternal(height + getOverExpansionPixels()); 585 } 586 587 @Override 588 protected void onLayout (boolean changed, int left, int top, int right, int bottom) { 589 super.onLayout(changed, left, top, right, bottom); 590 requestPanelHeightUpdate(); 591 mHasLayoutedSinceDown = true; 592 if (mUpdateFlingOnLayout) { 593 abortAnimations(); 594 fling(mUpdateFlingVelocity, true); 595 mUpdateFlingOnLayout = false; 596 } 597 } 598 599 protected void requestPanelHeightUpdate() { 600 float currentMaxPanelHeight = getMaxPanelHeight(); 601 602 // If the user isn't actively poking us, let's update the height 603 if ((!mTracking || isTrackingBlocked()) 604 && mHeightAnimator == null 605 && mExpandedHeight > 0 606 && currentMaxPanelHeight != mExpandedHeight 607 && !mPeekPending 608 && mPeekAnimator == null 609 && !mPeekTouching) { 610 setExpandedHeight(currentMaxPanelHeight); 611 } 612 } 613 614 public void setExpandedHeightInternal(float h) { 615 float fhWithoutOverExpansion = getMaxPanelHeight() - getOverExpansionAmount(); 616 if (mHeightAnimator == null) { 617 float overExpansionPixels = Math.max(0, h - fhWithoutOverExpansion); 618 if (getOverExpansionPixels() != overExpansionPixels && mTracking) { 619 setOverExpansion(overExpansionPixels, true /* isPixels */); 620 } 621 mExpandedHeight = Math.min(h, fhWithoutOverExpansion) + getOverExpansionAmount(); 622 } else { 623 mExpandedHeight = h; 624 if (mOverExpandedBeforeFling) { 625 setOverExpansion(Math.max(0, h - fhWithoutOverExpansion), false /* isPixels */); 626 } 627 } 628 629 mExpandedHeight = Math.max(0, mExpandedHeight); 630 onHeightUpdated(mExpandedHeight); 631 mExpandedFraction = Math.min(1f, fhWithoutOverExpansion == 0 632 ? 0 633 : mExpandedHeight / fhWithoutOverExpansion); 634 notifyBarPanelExpansionChanged(); 635 } 636 637 /** 638 * @return true if the panel tracking should be temporarily blocked; this is used when a 639 * conflicting gesture (opening QS) is happening 640 */ 641 protected abstract boolean isTrackingBlocked(); 642 643 protected abstract void setOverExpansion(float overExpansion, boolean isPixels); 644 645 protected abstract void onHeightUpdated(float expandedHeight); 646 647 protected abstract float getOverExpansionAmount(); 648 649 protected abstract float getOverExpansionPixels(); 650 651 /** 652 * This returns the maximum height of the panel. Children should override this if their 653 * desired height is not the full height. 654 * 655 * @return the default implementation simply returns the maximum height. 656 */ 657 protected abstract int getMaxPanelHeight(); 658 659 public void setExpandedFraction(float frac) { 660 setExpandedHeight(getMaxPanelHeight() * frac); 661 } 662 663 public float getExpandedHeight() { 664 return mExpandedHeight; 665 } 666 667 public float getExpandedFraction() { 668 return mExpandedFraction; 669 } 670 671 public boolean isFullyExpanded() { 672 return mExpandedHeight >= getMaxPanelHeight(); 673 } 674 675 public boolean isFullyCollapsed() { 676 return mExpandedHeight <= 0; 677 } 678 679 public boolean isCollapsing() { 680 return mClosing; 681 } 682 683 public boolean isTracking() { 684 return mTracking; 685 } 686 687 public void setBar(PanelBar panelBar) { 688 mBar = panelBar; 689 } 690 691 public void collapse(boolean delayed) { 692 if (DEBUG) logf("collapse: " + this); 693 if (mPeekPending || mPeekAnimator != null) { 694 mCollapseAfterPeek = true; 695 if (mPeekPending) { 696 697 // We know that the whole gesture is just a peek triggered by a simple click, so 698 // better start it now. 699 removeCallbacks(mPeekRunnable); 700 mPeekRunnable.run(); 701 } 702 } else if (!isFullyCollapsed() && !mTracking && !mClosing) { 703 if (mHeightAnimator != null) { 704 mHeightAnimator.cancel(); 705 } 706 mClosing = true; 707 notifyExpandingStarted(); 708 if (delayed) { 709 if (PhoneStatusBar.DEBUG_EMPTY_KEYGUARD) { 710 Log.i(TAG, "Posting collapse runnable, will be run in 120ms"); 711 } 712 postDelayed(mFlingCollapseRunnable, 120); 713 } else { 714 if (PhoneStatusBar.DEBUG_EMPTY_KEYGUARD) { 715 Log.i(TAG, "Animating collapsing now"); 716 } 717 fling(0, false /* expand */); 718 } 719 } 720 } 721 722 private final Runnable mFlingCollapseRunnable = new Runnable() { 723 @Override 724 public void run() { 725 if (PhoneStatusBar.DEBUG_EMPTY_KEYGUARD) { 726 Log.i(TAG, "Executing collapse runnable, animating collapsing now"); 727 } 728 fling(0, false /* expand */); 729 } 730 }; 731 732 public void expand() { 733 if (DEBUG) logf("expand: " + this); 734 if (isFullyCollapsed()) { 735 mBar.startOpeningPanel(this); 736 notifyExpandingStarted(); 737 fling(0, true /* expand */); 738 } else if (DEBUG) { 739 if (DEBUG) logf("skipping expansion: is expanded"); 740 } 741 } 742 743 public void cancelPeek() { 744 if (mPeekAnimator != null) { 745 mPeekAnimator.cancel(); 746 } 747 removeCallbacks(mPeekRunnable); 748 mPeekPending = false; 749 750 // When peeking, we already tell mBar that we expanded ourselves. Make sure that we also 751 // notify mBar that we might have closed ourselves. 752 notifyBarPanelExpansionChanged(); 753 } 754 755 public void instantExpand() { 756 if (PhoneStatusBar.DEBUG_EMPTY_KEYGUARD) { 757 Log.i(TAG, "Before instant expanding" 758 + " mTracking=" + mTracking 759 + " mExpanding=" + mExpanding); 760 } 761 mInstantExpanding = true; 762 mUpdateFlingOnLayout = false; 763 abortAnimations(); 764 cancelPeek(); 765 if (mTracking) { 766 onTrackingStopped(true /* expands */); // The panel is expanded after this call. 767 } 768 if (mExpanding) { 769 notifyExpandingFinished(); 770 } 771 setVisibility(VISIBLE); 772 773 // Wait for window manager to pickup the change, so we know the maximum height of the panel 774 // then. 775 getViewTreeObserver().addOnGlobalLayoutListener( 776 new ViewTreeObserver.OnGlobalLayoutListener() { 777 @Override 778 public void onGlobalLayout() { 779 if (mStatusBar.getStatusBarWindow().getHeight() 780 != mStatusBar.getStatusBarHeight()) { 781 if (PhoneStatusBar.DEBUG_EMPTY_KEYGUARD) { 782 Log.i(TAG, "Now instant expanding after layout" 783 + " mTracking=" + mTracking 784 + " mExpanding=" + mExpanding); 785 } 786 getViewTreeObserver().removeOnGlobalLayoutListener(this); 787 setExpandedFraction(1f); 788 mInstantExpanding = false; 789 } 790 } 791 }); 792 793 // Make sure a layout really happens. 794 requestLayout(); 795 } 796 797 private void abortAnimations() { 798 cancelPeek(); 799 if (mHeightAnimator != null) { 800 mHeightAnimator.cancel(); 801 } 802 removeCallbacks(mPostCollapseRunnable); 803 removeCallbacks(mFlingCollapseRunnable); 804 } 805 806 protected void startUnlockHintAnimation() { 807 808 // We don't need to hint the user if an animation is already running or the user is changing 809 // the expansion. 810 if (mHeightAnimator != null || mTracking) { 811 return; 812 } 813 cancelPeek(); 814 notifyExpandingStarted(); 815 startUnlockHintAnimationPhase1(new Runnable() { 816 @Override 817 public void run() { 818 notifyExpandingFinished(); 819 mStatusBar.onHintFinished(); 820 mHintAnimationRunning = false; 821 } 822 }); 823 mStatusBar.onUnlockHintStarted(); 824 mHintAnimationRunning = true; 825 } 826 827 /** 828 * Phase 1: Move everything upwards. 829 */ 830 private void startUnlockHintAnimationPhase1(final Runnable onAnimationFinished) { 831 float target = Math.max(0, getMaxPanelHeight() - mHintDistance); 832 ValueAnimator animator = createHeightAnimator(target); 833 animator.setDuration(250); 834 animator.setInterpolator(mFastOutSlowInInterpolator); 835 animator.addListener(new AnimatorListenerAdapter() { 836 private boolean mCancelled; 837 838 @Override 839 public void onAnimationCancel(Animator animation) { 840 mCancelled = true; 841 } 842 843 @Override 844 public void onAnimationEnd(Animator animation) { 845 if (mCancelled) { 846 mHeightAnimator = null; 847 onAnimationFinished.run(); 848 } else { 849 startUnlockHintAnimationPhase2(onAnimationFinished); 850 } 851 } 852 }); 853 animator.start(); 854 mHeightAnimator = animator; 855 mOriginalIndicationY = mKeyguardBottomArea.getIndicationView().getY(); 856 mKeyguardBottomArea.getIndicationView().animate() 857 .y(mOriginalIndicationY - mHintDistance) 858 .setDuration(250) 859 .setInterpolator(mFastOutSlowInInterpolator) 860 .withEndAction(new Runnable() { 861 @Override 862 public void run() { 863 mKeyguardBottomArea.getIndicationView().animate() 864 .y(mOriginalIndicationY) 865 .setDuration(450) 866 .setInterpolator(mBounceInterpolator) 867 .start(); 868 } 869 }) 870 .start(); 871 } 872 873 /** 874 * Phase 2: Bounce down. 875 */ 876 private void startUnlockHintAnimationPhase2(final Runnable onAnimationFinished) { 877 ValueAnimator animator = createHeightAnimator(getMaxPanelHeight()); 878 animator.setDuration(450); 879 animator.setInterpolator(mBounceInterpolator); 880 animator.addListener(new AnimatorListenerAdapter() { 881 @Override 882 public void onAnimationEnd(Animator animation) { 883 mHeightAnimator = null; 884 onAnimationFinished.run(); 885 } 886 }); 887 animator.start(); 888 mHeightAnimator = animator; 889 } 890 891 private ValueAnimator createHeightAnimator(float targetHeight) { 892 ValueAnimator animator = ValueAnimator.ofFloat(mExpandedHeight, targetHeight); 893 animator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() { 894 @Override 895 public void onAnimationUpdate(ValueAnimator animation) { 896 setExpandedHeightInternal((Float) animation.getAnimatedValue()); 897 } 898 }); 899 return animator; 900 } 901 902 private void notifyBarPanelExpansionChanged() { 903 mBar.panelExpansionChanged(this, mExpandedFraction, mExpandedFraction > 0f || mPeekPending 904 || mPeekAnimator != null); 905 } 906 907 /** 908 * Gets called when the user performs a click anywhere in the empty area of the panel. 909 * 910 * @return whether the panel will be expanded after the action performed by this method 911 */ 912 private boolean onEmptySpaceClick(float x) { 913 if (mHintAnimationRunning) { 914 return true; 915 } 916 if (x < mEdgeTapAreaWidth 917 && mStatusBar.getBarState() == StatusBarState.KEYGUARD) { 918 onEdgeClicked(false /* right */); 919 return true; 920 } else if (x > getWidth() - mEdgeTapAreaWidth 921 && mStatusBar.getBarState() == StatusBarState.KEYGUARD) { 922 onEdgeClicked(true /* right */); 923 return true; 924 } else { 925 return onMiddleClicked(); 926 } 927 } 928 929 private final Runnable mPostCollapseRunnable = new Runnable() { 930 @Override 931 public void run() { 932 if (PhoneStatusBar.DEBUG_EMPTY_KEYGUARD) { 933 Log.i(TAG, "Collapsing after middle clicked"); 934 } 935 collapse(false /* delayed */); 936 } 937 }; 938 private boolean onMiddleClicked() { 939 switch (mStatusBar.getBarState()) { 940 case StatusBarState.KEYGUARD: 941 startUnlockHintAnimation(); 942 return true; 943 case StatusBarState.SHADE_LOCKED: 944 mStatusBar.goToKeyguard(); 945 return true; 946 case StatusBarState.SHADE: 947 if (PhoneStatusBar.DEBUG_EMPTY_KEYGUARD) { 948 Log.i(TAG, "Middle clicked in shade state, posting collapsing runnable"); 949 } 950 951 // This gets called in the middle of the touch handling, where the state is still 952 // that we are tracking the panel. Collapse the panel after this is done. 953 post(mPostCollapseRunnable); 954 return false; 955 default: 956 return true; 957 } 958 } 959 960 protected abstract void onEdgeClicked(boolean right); 961 962 public void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 963 pw.println(String.format("[PanelView(%s): expandedHeight=%f maxPanelHeight=%d closing=%s" 964 + " tracking=%s justPeeked=%s peekAnim=%s%s timeAnim=%s%s" 965 + "]", 966 this.getClass().getSimpleName(), 967 getExpandedHeight(), 968 getMaxPanelHeight(), 969 mClosing?"T":"f", 970 mTracking?"T":"f", 971 mJustPeeked?"T":"f", 972 mPeekAnimator, ((mPeekAnimator!=null && mPeekAnimator.isStarted())?" (started)":""), 973 mHeightAnimator, ((mHeightAnimator !=null && mHeightAnimator.isStarted())?" (started)":"") 974 )); 975 } 976 977 public abstract void resetViews(); 978 979 protected abstract float getPeekHeight(); 980 981 protected abstract float getCannedFlingDurationFactor(); 982 983 /** 984 * @return whether "Clear all" button will be visible when the panel is fully expanded 985 */ 986 protected abstract boolean fullyExpandedClearAllVisible(); 987 988 protected abstract boolean isClearAllVisible(); 989 990 /** 991 * @return the height of the clear all button, in pixels 992 */ 993 protected abstract int getClearAllHeight(); 994} 995