PanelView.java revision 50d87a7fb4fd146112ce1b080d618f67fe08884b
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 private boolean mTouchDisabled; 90 91 private Interpolator mLinearOutSlowInInterpolator; 92 private Interpolator mFastOutSlowInInterpolator; 93 private Interpolator mBounceInterpolator; 94 protected KeyguardBottomAreaView mKeyguardBottomArea; 95 96 private boolean mPeekPending; 97 private boolean mCollapseAfterPeek; 98 private boolean mExpanding; 99 private boolean mGestureWaitForTouchSlop; 100 private Runnable mPeekRunnable = new Runnable() { 101 @Override 102 public void run() { 103 mPeekPending = false; 104 runPeekAnimation(); 105 } 106 }; 107 108 protected void onExpandingFinished() { 109 mClosing = false; 110 mBar.onExpandingFinished(); 111 } 112 113 protected void onExpandingStarted() { 114 } 115 116 private void notifyExpandingStarted() { 117 if (!mExpanding) { 118 mExpanding = true; 119 onExpandingStarted(); 120 } 121 } 122 123 private void notifyExpandingFinished() { 124 if (mExpanding) { 125 mExpanding = false; 126 onExpandingFinished(); 127 } 128 } 129 130 private void schedulePeek() { 131 mPeekPending = true; 132 long timeout = ViewConfiguration.getTapTimeout(); 133 postOnAnimationDelayed(mPeekRunnable, timeout); 134 notifyBarPanelExpansionChanged(); 135 } 136 137 private void runPeekAnimation() { 138 if (PhoneStatusBar.DEBUG_EMPTY_KEYGUARD) { 139 Log.i(TAG, "Starting peek animation"); 140 } 141 mPeekHeight = getPeekHeight(); 142 if (DEBUG) logf("peek to height=%.1f", mPeekHeight); 143 if (mHeightAnimator != null) { 144 return; 145 } 146 mPeekAnimator = ObjectAnimator.ofFloat(this, "expandedHeight", mPeekHeight) 147 .setDuration(250); 148 mPeekAnimator.setInterpolator(mLinearOutSlowInInterpolator); 149 mPeekAnimator.addListener(new AnimatorListenerAdapter() { 150 private boolean mCancelled; 151 152 @Override 153 public void onAnimationCancel(Animator animation) { 154 mCancelled = true; 155 } 156 157 @Override 158 public void onAnimationEnd(Animator animation) { 159 mPeekAnimator = null; 160 if (mCollapseAfterPeek && !mCancelled) { 161 if (PhoneStatusBar.DEBUG_EMPTY_KEYGUARD) { 162 Log.i(TAG, "Peek animation finished, posting collapse"); 163 } 164 postOnAnimation(new Runnable() { 165 @Override 166 public void run() { 167 if (PhoneStatusBar.DEBUG_EMPTY_KEYGUARD) { 168 Log.i(TAG, "Peek animation finished, collapsing"); 169 } 170 collapse(false /* delayed */); 171 } 172 }); 173 } 174 mCollapseAfterPeek = false; 175 } 176 }); 177 notifyExpandingStarted(); 178 mPeekAnimator.start(); 179 mJustPeeked = true; 180 } 181 182 public PanelView(Context context, AttributeSet attrs) { 183 super(context, attrs); 184 mFlingAnimationUtils = new FlingAnimationUtils(context, 0.6f); 185 mFastOutSlowInInterpolator = 186 AnimationUtils.loadInterpolator(context, android.R.interpolator.fast_out_slow_in); 187 mLinearOutSlowInInterpolator = 188 AnimationUtils.loadInterpolator(context, android.R.interpolator.linear_out_slow_in); 189 mBounceInterpolator = new BounceInterpolator(); 190 } 191 192 protected void loadDimens() { 193 final Resources res = getContext().getResources(); 194 final ViewConfiguration configuration = ViewConfiguration.get(getContext()); 195 mTouchSlop = configuration.getScaledTouchSlop(); 196 mHintDistance = res.getDimension(R.dimen.hint_move_distance); 197 mEdgeTapAreaWidth = res.getDimensionPixelSize(R.dimen.edge_tap_area_width); 198 mUnlockFalsingThreshold = res.getDimensionPixelSize(R.dimen.unlock_falsing_threshold); 199 } 200 201 private void trackMovement(MotionEvent event) { 202 // Add movement to velocity tracker using raw screen X and Y coordinates instead 203 // of window coordinates because the window frame may be moving at the same time. 204 float deltaX = event.getRawX() - event.getX(); 205 float deltaY = event.getRawY() - event.getY(); 206 event.offsetLocation(deltaX, deltaY); 207 if (mVelocityTracker != null) mVelocityTracker.addMovement(event); 208 event.offsetLocation(-deltaX, -deltaY); 209 } 210 211 public void setTouchDisabled(boolean disabled) { 212 mTouchDisabled = disabled; 213 } 214 215 @Override 216 public boolean onTouchEvent(MotionEvent event) { 217 if (mInstantExpanding || mTouchDisabled) { 218 return false; 219 } 220 221 /* 222 * We capture touch events here and update the expand height here in case according to 223 * the users fingers. This also handles multi-touch. 224 * 225 * If the user just clicks shortly, we give him a quick peek of the shade. 226 * 227 * Flinging is also enabled in order to open or close the shade. 228 */ 229 230 int pointerIndex = event.findPointerIndex(mTrackingPointer); 231 if (pointerIndex < 0) { 232 pointerIndex = 0; 233 mTrackingPointer = event.getPointerId(pointerIndex); 234 } 235 final float y = event.getY(pointerIndex); 236 final float x = event.getX(pointerIndex); 237 238 if (event.getActionMasked() == MotionEvent.ACTION_DOWN) { 239 mGestureWaitForTouchSlop = mExpandedHeight == 0f; 240 } 241 boolean waitForTouchSlop = hasConflictingGestures() || mGestureWaitForTouchSlop; 242 243 switch (event.getActionMasked()) { 244 case MotionEvent.ACTION_DOWN: 245 mInitialTouchY = y; 246 mInitialTouchX = x; 247 mInitialOffsetOnTouch = mExpandedHeight; 248 mTouchSlopExceeded = false; 249 mJustPeeked = false; 250 mPanelClosedOnDown = mExpandedHeight == 0.0f; 251 mHasLayoutedSinceDown = false; 252 mUpdateFlingOnLayout = false; 253 mPeekTouching = mPanelClosedOnDown; 254 mTouchAboveFalsingThreshold = false; 255 if (mVelocityTracker == null) { 256 initVelocityTracker(); 257 } 258 trackMovement(event); 259 if (!waitForTouchSlop || (mHeightAnimator != null && !mHintAnimationRunning) || 260 mPeekPending || mPeekAnimator != null) { 261 if (mHeightAnimator != null) { 262 mHeightAnimator.cancel(); // end any outstanding animations 263 } 264 cancelPeek(); 265 mTouchSlopExceeded = (mHeightAnimator != null && !mHintAnimationRunning) 266 || mPeekPending || mPeekAnimator != null; 267 onTrackingStarted(); 268 } 269 if (mExpandedHeight == 0) { 270 schedulePeek(); 271 } 272 break; 273 274 case MotionEvent.ACTION_POINTER_UP: 275 final int upPointer = event.getPointerId(event.getActionIndex()); 276 if (mTrackingPointer == upPointer) { 277 // gesture is ongoing, find a new pointer to track 278 final int newIndex = event.getPointerId(0) != upPointer ? 0 : 1; 279 final float newY = event.getY(newIndex); 280 final float newX = event.getX(newIndex); 281 mTrackingPointer = event.getPointerId(newIndex); 282 mInitialOffsetOnTouch = mExpandedHeight; 283 mInitialTouchY = newY; 284 mInitialTouchX = newX; 285 } 286 break; 287 288 case MotionEvent.ACTION_MOVE: 289 float h = y - mInitialTouchY; 290 291 // If the panel was collapsed when touching, we only need to check for the 292 // y-component of the gesture, as we have no conflicting horizontal gesture. 293 if (Math.abs(h) > mTouchSlop 294 && (Math.abs(h) > Math.abs(x - mInitialTouchX) 295 || mInitialOffsetOnTouch == 0f)) { 296 mTouchSlopExceeded = true; 297 if (waitForTouchSlop && !mTracking) { 298 if (!mJustPeeked) { 299 mInitialOffsetOnTouch = mExpandedHeight; 300 mInitialTouchX = x; 301 mInitialTouchY = y; 302 h = 0; 303 } 304 if (mHeightAnimator != null) { 305 mHeightAnimator.cancel(); // end any outstanding animations 306 } 307 removeCallbacks(mPeekRunnable); 308 mPeekPending = false; 309 onTrackingStarted(); 310 } 311 } 312 final float newHeight = Math.max(0, h + mInitialOffsetOnTouch); 313 if (newHeight > mPeekHeight) { 314 if (mPeekAnimator != null) { 315 mPeekAnimator.cancel(); 316 } 317 mJustPeeked = false; 318 } 319 if (-h >= mUnlockFalsingThreshold) { 320 mTouchAboveFalsingThreshold = true; 321 } 322 if (!mJustPeeked && (!waitForTouchSlop || mTracking) && !isTrackingBlocked()) { 323 setExpandedHeightInternal(newHeight); 324 } 325 326 trackMovement(event); 327 break; 328 329 case MotionEvent.ACTION_UP: 330 case MotionEvent.ACTION_CANCEL: 331 mTrackingPointer = -1; 332 trackMovement(event); 333 if ((mTracking && mTouchSlopExceeded) 334 || Math.abs(x - mInitialTouchX) > mTouchSlop 335 || Math.abs(y - mInitialTouchY) > mTouchSlop 336 || event.getActionMasked() == MotionEvent.ACTION_CANCEL) { 337 float vel = 0f; 338 float vectorVel = 0f; 339 if (mVelocityTracker != null) { 340 mVelocityTracker.computeCurrentVelocity(1000); 341 vel = mVelocityTracker.getYVelocity(); 342 vectorVel = (float) Math.hypot( 343 mVelocityTracker.getXVelocity(), mVelocityTracker.getYVelocity()); 344 } 345 boolean expand = flingExpands(vel, vectorVel); 346 onTrackingStopped(expand); 347 if (PhoneStatusBar.DEBUG_EMPTY_KEYGUARD) { 348 Log.i(TAG, "Flinging: expand=" + expand); 349 } 350 fling(vel, expand); 351 mUpdateFlingOnLayout = expand && mPanelClosedOnDown && !mHasLayoutedSinceDown; 352 if (mUpdateFlingOnLayout) { 353 mUpdateFlingVelocity = vel; 354 } 355 } else { 356 boolean expands = onEmptySpaceClick(mInitialTouchX); 357 onTrackingStopped(expands); 358 } 359 360 if (mVelocityTracker != null) { 361 mVelocityTracker.recycle(); 362 mVelocityTracker = null; 363 } 364 mPeekTouching = false; 365 break; 366 } 367 return !waitForTouchSlop || mTracking; 368 } 369 370 protected abstract boolean hasConflictingGestures(); 371 372 protected void onTrackingStopped(boolean expand) { 373 mTracking = false; 374 mBar.onTrackingStopped(PanelView.this, expand); 375 } 376 377 protected void onTrackingStarted() { 378 mTracking = true; 379 mCollapseAfterPeek = false; 380 mBar.onTrackingStarted(PanelView.this); 381 notifyExpandingStarted(); 382 } 383 384 @Override 385 public boolean onInterceptTouchEvent(MotionEvent event) { 386 if (mInstantExpanding) { 387 return false; 388 } 389 390 /* 391 * If the user drags anywhere inside the panel we intercept it if he moves his finger 392 * upwards. This allows closing the shade from anywhere inside the panel. 393 * 394 * We only do this if the current content is scrolled to the bottom, 395 * i.e isScrolledToBottom() is true and therefore there is no conflicting scrolling gesture 396 * possible. 397 */ 398 int pointerIndex = event.findPointerIndex(mTrackingPointer); 399 if (pointerIndex < 0) { 400 pointerIndex = 0; 401 mTrackingPointer = event.getPointerId(pointerIndex); 402 } 403 final float x = event.getX(pointerIndex); 404 final float y = event.getY(pointerIndex); 405 boolean scrolledToBottom = isScrolledToBottom(); 406 407 switch (event.getActionMasked()) { 408 case MotionEvent.ACTION_DOWN: 409 mStatusBar.userActivity(); 410 if (mHeightAnimator != null && !mHintAnimationRunning || 411 mPeekPending || mPeekAnimator != null) { 412 if (mHeightAnimator != null) { 413 mHeightAnimator.cancel(); // end any outstanding animations 414 } 415 cancelPeek(); 416 mTouchSlopExceeded = true; 417 return true; 418 } 419 mInitialTouchY = y; 420 mInitialTouchX = x; 421 mTouchSlopExceeded = false; 422 mJustPeeked = false; 423 mPanelClosedOnDown = mExpandedHeight == 0.0f; 424 mHasLayoutedSinceDown = false; 425 mUpdateFlingOnLayout = false; 426 mTouchAboveFalsingThreshold = false; 427 initVelocityTracker(); 428 trackMovement(event); 429 break; 430 case MotionEvent.ACTION_POINTER_UP: 431 final int upPointer = event.getPointerId(event.getActionIndex()); 432 if (mTrackingPointer == upPointer) { 433 // gesture is ongoing, find a new pointer to track 434 final int newIndex = event.getPointerId(0) != upPointer ? 0 : 1; 435 mTrackingPointer = event.getPointerId(newIndex); 436 mInitialTouchX = event.getX(newIndex); 437 mInitialTouchY = event.getY(newIndex); 438 } 439 break; 440 441 case MotionEvent.ACTION_MOVE: 442 final float h = y - mInitialTouchY; 443 trackMovement(event); 444 if (scrolledToBottom) { 445 if (h < -mTouchSlop && h < -Math.abs(x - mInitialTouchX)) { 446 if (mHeightAnimator != null) { 447 mHeightAnimator.cancel(); 448 } 449 mInitialOffsetOnTouch = mExpandedHeight; 450 mInitialTouchY = y; 451 mInitialTouchX = x; 452 mTracking = true; 453 mTouchSlopExceeded = true; 454 onTrackingStarted(); 455 return true; 456 } 457 } 458 break; 459 case MotionEvent.ACTION_CANCEL: 460 case MotionEvent.ACTION_UP: 461 break; 462 } 463 return false; 464 } 465 466 private void initVelocityTracker() { 467 if (mVelocityTracker != null) { 468 mVelocityTracker.recycle(); 469 } 470 mVelocityTracker = VelocityTrackerFactory.obtain(getContext()); 471 } 472 473 protected boolean isScrolledToBottom() { 474 return true; 475 } 476 477 protected float getContentHeight() { 478 return mExpandedHeight; 479 } 480 481 @Override 482 protected void onFinishInflate() { 483 super.onFinishInflate(); 484 loadDimens(); 485 } 486 487 @Override 488 protected void onConfigurationChanged(Configuration newConfig) { 489 super.onConfigurationChanged(newConfig); 490 loadDimens(); 491 } 492 493 /** 494 * @param vel the current vertical velocity of the motion 495 * @param vectorVel the length of the vectorial velocity 496 * @return whether a fling should expands the panel; contracts otherwise 497 */ 498 protected boolean flingExpands(float vel, float vectorVel) { 499 if (isBelowFalsingThreshold()) { 500 return true; 501 } 502 if (Math.abs(vectorVel) < mFlingAnimationUtils.getMinVelocityPxPerSecond()) { 503 return getExpandedFraction() > 0.5f; 504 } else { 505 return vel > 0; 506 } 507 } 508 509 private boolean isBelowFalsingThreshold() { 510 return !mTouchAboveFalsingThreshold && mStatusBar.isFalsingThresholdNeeded(); 511 } 512 513 protected void fling(float vel, boolean expand) { 514 cancelPeek(); 515 float target = expand ? getMaxPanelHeight() : 0.0f; 516 517 // Hack to make the expand transition look nice when clear all button is visible - we make 518 // the animation only to the last notification, and then jump to the maximum panel height so 519 // clear all just fades in and the decelerating motion is towards the last notification. 520 final boolean clearAllExpandHack = expand && fullyExpandedClearAllVisible() 521 && mExpandedHeight < getMaxPanelHeight() - getClearAllHeight() 522 && !isClearAllVisible(); 523 if (clearAllExpandHack) { 524 target = getMaxPanelHeight() - getClearAllHeight(); 525 } 526 if (target == mExpandedHeight || getOverExpansionAmount() > 0f && expand) { 527 notifyExpandingFinished(); 528 return; 529 } 530 if (PhoneStatusBar.DEBUG_EMPTY_KEYGUARD) { 531 Log.i(TAG, "Executing fling: expand=" + expand + " vel=" + vel); 532 } 533 mOverExpandedBeforeFling = getOverExpansionAmount() > 0f; 534 ValueAnimator animator = createHeightAnimator(target); 535 if (expand) { 536 boolean belowFalsingThreshold = isBelowFalsingThreshold(); 537 if (belowFalsingThreshold) { 538 vel = 0; 539 } 540 mFlingAnimationUtils.apply(animator, mExpandedHeight, target, vel, getHeight()); 541 if (belowFalsingThreshold) { 542 animator.setDuration(350); 543 } 544 } else { 545 mFlingAnimationUtils.applyDismissing(animator, mExpandedHeight, target, vel, 546 getHeight()); 547 548 // Make it shorter if we run a canned animation 549 if (vel == 0) { 550 animator.setDuration((long) 551 (animator.getDuration() * getCannedFlingDurationFactor())); 552 } 553 } 554 animator.addListener(new AnimatorListenerAdapter() { 555 private boolean mCancelled; 556 557 @Override 558 public void onAnimationCancel(Animator animation) { 559 mCancelled = true; 560 } 561 562 @Override 563 public void onAnimationEnd(Animator animation) { 564 if (clearAllExpandHack && !mCancelled) { 565 setExpandedHeightInternal(getMaxPanelHeight()); 566 } 567 mHeightAnimator = null; 568 if (!mCancelled) { 569 notifyExpandingFinished(); 570 } 571 } 572 }); 573 mHeightAnimator = animator; 574 animator.start(); 575 } 576 577 @Override 578 protected void onAttachedToWindow() { 579 super.onAttachedToWindow(); 580 mViewName = getResources().getResourceName(getId()); 581 } 582 583 public String getName() { 584 return mViewName; 585 } 586 587 public void setExpandedHeight(float height) { 588 if (DEBUG) logf("setExpandedHeight(%.1f)", height); 589 setExpandedHeightInternal(height + getOverExpansionPixels()); 590 } 591 592 @Override 593 protected void onLayout (boolean changed, int left, int top, int right, int bottom) { 594 super.onLayout(changed, left, top, right, bottom); 595 requestPanelHeightUpdate(); 596 mHasLayoutedSinceDown = true; 597 if (mUpdateFlingOnLayout) { 598 abortAnimations(); 599 fling(mUpdateFlingVelocity, true); 600 mUpdateFlingOnLayout = false; 601 } 602 } 603 604 protected void requestPanelHeightUpdate() { 605 float currentMaxPanelHeight = getMaxPanelHeight(); 606 607 // If the user isn't actively poking us, let's update the height 608 if ((!mTracking || isTrackingBlocked()) 609 && mHeightAnimator == null 610 && mExpandedHeight > 0 611 && currentMaxPanelHeight != mExpandedHeight 612 && !mPeekPending 613 && mPeekAnimator == null 614 && !mPeekTouching) { 615 setExpandedHeight(currentMaxPanelHeight); 616 } 617 } 618 619 public void setExpandedHeightInternal(float h) { 620 float fhWithoutOverExpansion = getMaxPanelHeight() - getOverExpansionAmount(); 621 if (mHeightAnimator == null) { 622 float overExpansionPixels = Math.max(0, h - fhWithoutOverExpansion); 623 if (getOverExpansionPixels() != overExpansionPixels && mTracking) { 624 setOverExpansion(overExpansionPixels, true /* isPixels */); 625 } 626 mExpandedHeight = Math.min(h, fhWithoutOverExpansion) + getOverExpansionAmount(); 627 } else { 628 mExpandedHeight = h; 629 if (mOverExpandedBeforeFling) { 630 setOverExpansion(Math.max(0, h - fhWithoutOverExpansion), false /* isPixels */); 631 } 632 } 633 634 mExpandedHeight = Math.max(0, mExpandedHeight); 635 onHeightUpdated(mExpandedHeight); 636 mExpandedFraction = Math.min(1f, fhWithoutOverExpansion == 0 637 ? 0 638 : mExpandedHeight / fhWithoutOverExpansion); 639 notifyBarPanelExpansionChanged(); 640 } 641 642 /** 643 * @return true if the panel tracking should be temporarily blocked; this is used when a 644 * conflicting gesture (opening QS) is happening 645 */ 646 protected abstract boolean isTrackingBlocked(); 647 648 protected abstract void setOverExpansion(float overExpansion, boolean isPixels); 649 650 protected abstract void onHeightUpdated(float expandedHeight); 651 652 protected abstract float getOverExpansionAmount(); 653 654 protected abstract float getOverExpansionPixels(); 655 656 /** 657 * This returns the maximum height of the panel. Children should override this if their 658 * desired height is not the full height. 659 * 660 * @return the default implementation simply returns the maximum height. 661 */ 662 protected abstract int getMaxPanelHeight(); 663 664 public void setExpandedFraction(float frac) { 665 setExpandedHeight(getMaxPanelHeight() * frac); 666 } 667 668 public float getExpandedHeight() { 669 return mExpandedHeight; 670 } 671 672 public float getExpandedFraction() { 673 return mExpandedFraction; 674 } 675 676 public boolean isFullyExpanded() { 677 return mExpandedHeight >= getMaxPanelHeight(); 678 } 679 680 public boolean isFullyCollapsed() { 681 return mExpandedHeight <= 0; 682 } 683 684 public boolean isCollapsing() { 685 return mClosing; 686 } 687 688 public boolean isTracking() { 689 return mTracking; 690 } 691 692 public void setBar(PanelBar panelBar) { 693 mBar = panelBar; 694 } 695 696 public void collapse(boolean delayed) { 697 if (DEBUG) logf("collapse: " + this); 698 if (mPeekPending || mPeekAnimator != null) { 699 mCollapseAfterPeek = true; 700 if (mPeekPending) { 701 702 // We know that the whole gesture is just a peek triggered by a simple click, so 703 // better start it now. 704 removeCallbacks(mPeekRunnable); 705 mPeekRunnable.run(); 706 } 707 } else if (!isFullyCollapsed() && !mTracking && !mClosing) { 708 if (mHeightAnimator != null) { 709 mHeightAnimator.cancel(); 710 } 711 mClosing = true; 712 notifyExpandingStarted(); 713 if (delayed) { 714 if (PhoneStatusBar.DEBUG_EMPTY_KEYGUARD) { 715 Log.i(TAG, "Posting collapse runnable, will be run in 120ms"); 716 } 717 postDelayed(mFlingCollapseRunnable, 120); 718 } else { 719 if (PhoneStatusBar.DEBUG_EMPTY_KEYGUARD) { 720 Log.i(TAG, "Animating collapsing now"); 721 } 722 fling(0, false /* expand */); 723 } 724 } 725 } 726 727 private final Runnable mFlingCollapseRunnable = new Runnable() { 728 @Override 729 public void run() { 730 if (PhoneStatusBar.DEBUG_EMPTY_KEYGUARD) { 731 Log.i(TAG, "Executing collapse runnable, animating collapsing now"); 732 } 733 fling(0, false /* expand */); 734 } 735 }; 736 737 public void expand() { 738 if (DEBUG) logf("expand: " + this); 739 if (isFullyCollapsed()) { 740 mBar.startOpeningPanel(this); 741 notifyExpandingStarted(); 742 fling(0, true /* expand */); 743 } else if (DEBUG) { 744 if (DEBUG) logf("skipping expansion: is expanded"); 745 } 746 } 747 748 public void cancelPeek() { 749 if (mPeekAnimator != null) { 750 mPeekAnimator.cancel(); 751 } 752 removeCallbacks(mPeekRunnable); 753 mPeekPending = false; 754 755 // When peeking, we already tell mBar that we expanded ourselves. Make sure that we also 756 // notify mBar that we might have closed ourselves. 757 notifyBarPanelExpansionChanged(); 758 } 759 760 public void instantExpand() { 761 if (PhoneStatusBar.DEBUG_EMPTY_KEYGUARD) { 762 Log.i(TAG, "Before instant expanding" 763 + " mTracking=" + mTracking 764 + " mExpanding=" + mExpanding); 765 } 766 mInstantExpanding = true; 767 mUpdateFlingOnLayout = false; 768 abortAnimations(); 769 cancelPeek(); 770 if (mTracking) { 771 onTrackingStopped(true /* expands */); // The panel is expanded after this call. 772 } 773 if (mExpanding) { 774 notifyExpandingFinished(); 775 } 776 setVisibility(VISIBLE); 777 778 // Wait for window manager to pickup the change, so we know the maximum height of the panel 779 // then. 780 getViewTreeObserver().addOnGlobalLayoutListener( 781 new ViewTreeObserver.OnGlobalLayoutListener() { 782 @Override 783 public void onGlobalLayout() { 784 if (mStatusBar.getStatusBarWindow().getHeight() 785 != mStatusBar.getStatusBarHeight()) { 786 if (PhoneStatusBar.DEBUG_EMPTY_KEYGUARD) { 787 Log.i(TAG, "Now instant expanding after layout" 788 + " mTracking=" + mTracking 789 + " mExpanding=" + mExpanding); 790 } 791 getViewTreeObserver().removeOnGlobalLayoutListener(this); 792 setExpandedFraction(1f); 793 mInstantExpanding = false; 794 } 795 } 796 }); 797 798 // Make sure a layout really happens. 799 requestLayout(); 800 } 801 802 private void abortAnimations() { 803 cancelPeek(); 804 if (mHeightAnimator != null) { 805 mHeightAnimator.cancel(); 806 } 807 removeCallbacks(mPostCollapseRunnable); 808 removeCallbacks(mFlingCollapseRunnable); 809 } 810 811 protected void startUnlockHintAnimation() { 812 813 // We don't need to hint the user if an animation is already running or the user is changing 814 // the expansion. 815 if (mHeightAnimator != null || mTracking) { 816 return; 817 } 818 cancelPeek(); 819 notifyExpandingStarted(); 820 startUnlockHintAnimationPhase1(new Runnable() { 821 @Override 822 public void run() { 823 notifyExpandingFinished(); 824 mStatusBar.onHintFinished(); 825 mHintAnimationRunning = false; 826 } 827 }); 828 mStatusBar.onUnlockHintStarted(); 829 mHintAnimationRunning = true; 830 } 831 832 /** 833 * Phase 1: Move everything upwards. 834 */ 835 private void startUnlockHintAnimationPhase1(final Runnable onAnimationFinished) { 836 float target = Math.max(0, getMaxPanelHeight() - mHintDistance); 837 ValueAnimator animator = createHeightAnimator(target); 838 animator.setDuration(250); 839 animator.setInterpolator(mFastOutSlowInInterpolator); 840 animator.addListener(new AnimatorListenerAdapter() { 841 private boolean mCancelled; 842 843 @Override 844 public void onAnimationCancel(Animator animation) { 845 mCancelled = true; 846 } 847 848 @Override 849 public void onAnimationEnd(Animator animation) { 850 if (mCancelled) { 851 mHeightAnimator = null; 852 onAnimationFinished.run(); 853 } else { 854 startUnlockHintAnimationPhase2(onAnimationFinished); 855 } 856 } 857 }); 858 animator.start(); 859 mHeightAnimator = animator; 860 mOriginalIndicationY = mKeyguardBottomArea.getIndicationView().getY(); 861 mKeyguardBottomArea.getIndicationView().animate() 862 .y(mOriginalIndicationY - mHintDistance) 863 .setDuration(250) 864 .setInterpolator(mFastOutSlowInInterpolator) 865 .withEndAction(new Runnable() { 866 @Override 867 public void run() { 868 mKeyguardBottomArea.getIndicationView().animate() 869 .y(mOriginalIndicationY) 870 .setDuration(450) 871 .setInterpolator(mBounceInterpolator) 872 .start(); 873 } 874 }) 875 .start(); 876 } 877 878 /** 879 * Phase 2: Bounce down. 880 */ 881 private void startUnlockHintAnimationPhase2(final Runnable onAnimationFinished) { 882 ValueAnimator animator = createHeightAnimator(getMaxPanelHeight()); 883 animator.setDuration(450); 884 animator.setInterpolator(mBounceInterpolator); 885 animator.addListener(new AnimatorListenerAdapter() { 886 @Override 887 public void onAnimationEnd(Animator animation) { 888 mHeightAnimator = null; 889 onAnimationFinished.run(); 890 } 891 }); 892 animator.start(); 893 mHeightAnimator = animator; 894 } 895 896 private ValueAnimator createHeightAnimator(float targetHeight) { 897 ValueAnimator animator = ValueAnimator.ofFloat(mExpandedHeight, targetHeight); 898 animator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() { 899 @Override 900 public void onAnimationUpdate(ValueAnimator animation) { 901 setExpandedHeightInternal((Float) animation.getAnimatedValue()); 902 } 903 }); 904 return animator; 905 } 906 907 private void notifyBarPanelExpansionChanged() { 908 mBar.panelExpansionChanged(this, mExpandedFraction, mExpandedFraction > 0f || mPeekPending 909 || mPeekAnimator != null); 910 } 911 912 /** 913 * Gets called when the user performs a click anywhere in the empty area of the panel. 914 * 915 * @return whether the panel will be expanded after the action performed by this method 916 */ 917 private boolean onEmptySpaceClick(float x) { 918 if (mHintAnimationRunning) { 919 return true; 920 } 921 if (x < mEdgeTapAreaWidth 922 && mStatusBar.getBarState() == StatusBarState.KEYGUARD) { 923 onEdgeClicked(false /* right */); 924 return true; 925 } else if (x > getWidth() - mEdgeTapAreaWidth 926 && mStatusBar.getBarState() == StatusBarState.KEYGUARD) { 927 onEdgeClicked(true /* right */); 928 return true; 929 } else { 930 return onMiddleClicked(); 931 } 932 } 933 934 private final Runnable mPostCollapseRunnable = new Runnable() { 935 @Override 936 public void run() { 937 if (PhoneStatusBar.DEBUG_EMPTY_KEYGUARD) { 938 Log.i(TAG, "Collapsing after middle clicked"); 939 } 940 collapse(false /* delayed */); 941 } 942 }; 943 private boolean onMiddleClicked() { 944 switch (mStatusBar.getBarState()) { 945 case StatusBarState.KEYGUARD: 946 startUnlockHintAnimation(); 947 return true; 948 case StatusBarState.SHADE_LOCKED: 949 mStatusBar.goToKeyguard(); 950 return true; 951 case StatusBarState.SHADE: 952 if (PhoneStatusBar.DEBUG_EMPTY_KEYGUARD) { 953 Log.i(TAG, "Middle clicked in shade state, posting collapsing runnable"); 954 } 955 956 // This gets called in the middle of the touch handling, where the state is still 957 // that we are tracking the panel. Collapse the panel after this is done. 958 post(mPostCollapseRunnable); 959 return false; 960 default: 961 return true; 962 } 963 } 964 965 protected abstract void onEdgeClicked(boolean right); 966 967 public void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 968 pw.println(String.format("[PanelView(%s): expandedHeight=%f maxPanelHeight=%d closing=%s" 969 + " tracking=%s justPeeked=%s peekAnim=%s%s timeAnim=%s%s touchDisabled=%s" 970 + "]", 971 this.getClass().getSimpleName(), 972 getExpandedHeight(), 973 getMaxPanelHeight(), 974 mClosing?"T":"f", 975 mTracking?"T":"f", 976 mJustPeeked?"T":"f", 977 mPeekAnimator, ((mPeekAnimator!=null && mPeekAnimator.isStarted())?" (started)":""), 978 mHeightAnimator, ((mHeightAnimator !=null && mHeightAnimator.isStarted())?" (started)":""), 979 mTouchDisabled?"T":"f" 980 )); 981 } 982 983 public abstract void resetViews(); 984 985 protected abstract float getPeekHeight(); 986 987 protected abstract float getCannedFlingDurationFactor(); 988 989 /** 990 * @return whether "Clear all" button will be visible when the panel is fully expanded 991 */ 992 protected abstract boolean fullyExpandedClearAllVisible(); 993 994 protected abstract boolean isClearAllVisible(); 995 996 /** 997 * @return the height of the clear all button, in pixels 998 */ 999 protected abstract int getClearAllHeight(); 1000} 1001