PanelView.java revision 813552cc27cbeac366166cdda82fd813c8458bbf
1/* 2 * Copyright (C) 2012 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.systemui.statusbar.phone; 18 19import android.animation.Animator; 20import android.animation.AnimatorListenerAdapter; 21import android.animation.ObjectAnimator; 22import android.animation.ValueAnimator; 23import android.content.Context; 24import android.content.res.Configuration; 25import android.content.res.Resources; 26import android.util.AttributeSet; 27import android.util.Log; 28import android.view.MotionEvent; 29import android.view.ViewConfiguration; 30import android.view.ViewTreeObserver; 31import android.view.animation.AnimationUtils; 32import android.view.animation.Interpolator; 33import android.widget.FrameLayout; 34 35import com.android.systemui.R; 36import com.android.systemui.doze.DozeLog; 37import com.android.systemui.statusbar.FlingAnimationUtils; 38import com.android.systemui.statusbar.StatusBarState; 39 40import java.io.FileDescriptor; 41import java.io.PrintWriter; 42 43public abstract class PanelView extends FrameLayout { 44 public static final boolean DEBUG = PanelBar.DEBUG; 45 public static final String TAG = PanelView.class.getSimpleName(); 46 47 private final void logf(String fmt, Object... args) { 48 Log.v(TAG, (mViewName != null ? (mViewName + ": ") : "") + String.format(fmt, args)); 49 } 50 51 protected PhoneStatusBar mStatusBar; 52 private float mPeekHeight; 53 private float mHintDistance; 54 private int mEdgeTapAreaWidth; 55 private float mInitialOffsetOnTouch; 56 private float mExpandedFraction = 0; 57 protected float mExpandedHeight = 0; 58 private boolean mPanelClosedOnDown; 59 private boolean mHasLayoutedSinceDown; 60 private float mUpdateFlingVelocity; 61 private boolean mUpdateFlingOnLayout; 62 private boolean mPeekTouching; 63 private boolean mJustPeeked; 64 private boolean mClosing; 65 protected boolean mTracking; 66 private boolean mTouchSlopExceeded; 67 private int mTrackingPointer; 68 protected int mTouchSlop; 69 protected boolean mHintAnimationRunning; 70 private boolean mOverExpandedBeforeFling; 71 private float mOriginalIndicationY; 72 private boolean mTouchAboveFalsingThreshold; 73 private int mUnlockFalsingThreshold; 74 75 private ValueAnimator mHeightAnimator; 76 private ObjectAnimator mPeekAnimator; 77 private VelocityTrackerInterface mVelocityTracker; 78 private FlingAnimationUtils mFlingAnimationUtils; 79 80 /** 81 * Whether an instant expand request is currently pending and we are just waiting for layout. 82 */ 83 private boolean mInstantExpanding; 84 85 PanelBar mBar; 86 87 private String mViewName; 88 private float mInitialTouchY; 89 private float mInitialTouchX; 90 private boolean mTouchDisabled; 91 92 private Interpolator mLinearOutSlowInInterpolator; 93 private Interpolator mFastOutSlowInInterpolator; 94 private Interpolator mBounceInterpolator; 95 protected KeyguardBottomAreaView mKeyguardBottomArea; 96 97 private boolean mPeekPending; 98 private boolean mCollapseAfterPeek; 99 private boolean mExpanding; 100 private boolean mGestureWaitForTouchSlop; 101 private Runnable mPeekRunnable = new Runnable() { 102 @Override 103 public void run() { 104 mPeekPending = false; 105 runPeekAnimation(); 106 } 107 }; 108 109 protected void onExpandingFinished() { 110 mClosing = false; 111 mBar.onExpandingFinished(); 112 } 113 114 protected void onExpandingStarted() { 115 } 116 117 private void notifyExpandingStarted() { 118 if (!mExpanding) { 119 mExpanding = true; 120 onExpandingStarted(); 121 } 122 } 123 124 private void notifyExpandingFinished() { 125 if (mExpanding) { 126 mExpanding = false; 127 onExpandingFinished(); 128 } 129 } 130 131 private void schedulePeek() { 132 mPeekPending = true; 133 long timeout = ViewConfiguration.getTapTimeout(); 134 postOnAnimationDelayed(mPeekRunnable, timeout); 135 notifyBarPanelExpansionChanged(); 136 } 137 138 private void runPeekAnimation() { 139 if (PhoneStatusBar.DEBUG_EMPTY_KEYGUARD) { 140 Log.i(TAG, "Starting peek animation"); 141 } 142 mPeekHeight = getPeekHeight(); 143 if (DEBUG) logf("peek to height=%.1f", mPeekHeight); 144 if (mHeightAnimator != null) { 145 return; 146 } 147 mPeekAnimator = ObjectAnimator.ofFloat(this, "expandedHeight", mPeekHeight) 148 .setDuration(250); 149 mPeekAnimator.setInterpolator(mLinearOutSlowInInterpolator); 150 mPeekAnimator.addListener(new AnimatorListenerAdapter() { 151 private boolean mCancelled; 152 153 @Override 154 public void onAnimationCancel(Animator animation) { 155 mCancelled = true; 156 } 157 158 @Override 159 public void onAnimationEnd(Animator animation) { 160 mPeekAnimator = null; 161 if (mCollapseAfterPeek && !mCancelled) { 162 if (PhoneStatusBar.DEBUG_EMPTY_KEYGUARD) { 163 Log.i(TAG, "Peek animation finished, posting collapse"); 164 } 165 postOnAnimation(new Runnable() { 166 @Override 167 public void run() { 168 if (PhoneStatusBar.DEBUG_EMPTY_KEYGUARD) { 169 Log.i(TAG, "Peek animation finished, collapsing"); 170 } 171 collapse(false /* delayed */); 172 } 173 }); 174 } 175 mCollapseAfterPeek = false; 176 } 177 }); 178 notifyExpandingStarted(); 179 mPeekAnimator.start(); 180 mJustPeeked = true; 181 } 182 183 public PanelView(Context context, AttributeSet attrs) { 184 super(context, attrs); 185 mFlingAnimationUtils = new FlingAnimationUtils(context, 0.6f); 186 mFastOutSlowInInterpolator = 187 AnimationUtils.loadInterpolator(context, android.R.interpolator.fast_out_slow_in); 188 mLinearOutSlowInInterpolator = 189 AnimationUtils.loadInterpolator(context, android.R.interpolator.linear_out_slow_in); 190 mBounceInterpolator = new BounceInterpolator(); 191 } 192 193 protected void loadDimens() { 194 final Resources res = getContext().getResources(); 195 final ViewConfiguration configuration = ViewConfiguration.get(getContext()); 196 mTouchSlop = configuration.getScaledTouchSlop(); 197 mHintDistance = res.getDimension(R.dimen.hint_move_distance); 198 mEdgeTapAreaWidth = res.getDimensionPixelSize(R.dimen.edge_tap_area_width); 199 mUnlockFalsingThreshold = res.getDimensionPixelSize(R.dimen.unlock_falsing_threshold); 200 } 201 202 private void trackMovement(MotionEvent event) { 203 // Add movement to velocity tracker using raw screen X and Y coordinates instead 204 // of window coordinates because the window frame may be moving at the same time. 205 float deltaX = event.getRawX() - event.getX(); 206 float deltaY = event.getRawY() - event.getY(); 207 event.offsetLocation(deltaX, deltaY); 208 if (mVelocityTracker != null) mVelocityTracker.addMovement(event); 209 event.offsetLocation(-deltaX, -deltaY); 210 } 211 212 public void setTouchDisabled(boolean disabled) { 213 mTouchDisabled = disabled; 214 } 215 216 @Override 217 public boolean onTouchEvent(MotionEvent event) { 218 if (mInstantExpanding || mTouchDisabled) { 219 return false; 220 } 221 222 /* 223 * We capture touch events here and update the expand height here in case according to 224 * the users fingers. This also handles multi-touch. 225 * 226 * If the user just clicks shortly, we give him a quick peek of the shade. 227 * 228 * Flinging is also enabled in order to open or close the shade. 229 */ 230 231 int pointerIndex = event.findPointerIndex(mTrackingPointer); 232 if (pointerIndex < 0) { 233 pointerIndex = 0; 234 mTrackingPointer = event.getPointerId(pointerIndex); 235 } 236 final float y = event.getY(pointerIndex); 237 final float x = event.getX(pointerIndex); 238 239 if (event.getActionMasked() == MotionEvent.ACTION_DOWN) { 240 mGestureWaitForTouchSlop = mExpandedHeight == 0f; 241 } 242 boolean waitForTouchSlop = hasConflictingGestures() || mGestureWaitForTouchSlop; 243 244 switch (event.getActionMasked()) { 245 case MotionEvent.ACTION_DOWN: 246 mInitialTouchY = y; 247 mInitialTouchX = x; 248 mInitialOffsetOnTouch = mExpandedHeight; 249 mTouchSlopExceeded = false; 250 mJustPeeked = false; 251 mPanelClosedOnDown = mExpandedHeight == 0.0f; 252 mHasLayoutedSinceDown = false; 253 mUpdateFlingOnLayout = false; 254 mPeekTouching = mPanelClosedOnDown; 255 mTouchAboveFalsingThreshold = false; 256 if (mVelocityTracker == null) { 257 initVelocityTracker(); 258 } 259 trackMovement(event); 260 if (!waitForTouchSlop || (mHeightAnimator != null && !mHintAnimationRunning) || 261 mPeekPending || mPeekAnimator != null) { 262 if (mHeightAnimator != null) { 263 mHeightAnimator.cancel(); // end any outstanding animations 264 } 265 cancelPeek(); 266 mTouchSlopExceeded = (mHeightAnimator != null && !mHintAnimationRunning) 267 || mPeekPending || mPeekAnimator != null; 268 onTrackingStarted(); 269 } 270 if (mExpandedHeight == 0) { 271 schedulePeek(); 272 } 273 break; 274 275 case MotionEvent.ACTION_POINTER_UP: 276 final int upPointer = event.getPointerId(event.getActionIndex()); 277 if (mTrackingPointer == upPointer) { 278 // gesture is ongoing, find a new pointer to track 279 final int newIndex = event.getPointerId(0) != upPointer ? 0 : 1; 280 final float newY = event.getY(newIndex); 281 final float newX = event.getX(newIndex); 282 mTrackingPointer = event.getPointerId(newIndex); 283 mInitialOffsetOnTouch = mExpandedHeight; 284 mInitialTouchY = newY; 285 mInitialTouchX = newX; 286 } 287 break; 288 289 case MotionEvent.ACTION_MOVE: 290 float h = y - mInitialTouchY; 291 292 // If the panel was collapsed when touching, we only need to check for the 293 // y-component of the gesture, as we have no conflicting horizontal gesture. 294 if (Math.abs(h) > mTouchSlop 295 && (Math.abs(h) > Math.abs(x - mInitialTouchX) 296 || mInitialOffsetOnTouch == 0f)) { 297 mTouchSlopExceeded = true; 298 if (waitForTouchSlop && !mTracking) { 299 if (!mJustPeeked) { 300 mInitialOffsetOnTouch = mExpandedHeight; 301 mInitialTouchX = x; 302 mInitialTouchY = y; 303 h = 0; 304 } 305 if (mHeightAnimator != null) { 306 mHeightAnimator.cancel(); // end any outstanding animations 307 } 308 removeCallbacks(mPeekRunnable); 309 mPeekPending = false; 310 onTrackingStarted(); 311 } 312 } 313 final float newHeight = Math.max(0, h + mInitialOffsetOnTouch); 314 if (newHeight > mPeekHeight) { 315 if (mPeekAnimator != null) { 316 mPeekAnimator.cancel(); 317 } 318 mJustPeeked = false; 319 } 320 if (-h >= mUnlockFalsingThreshold) { 321 mTouchAboveFalsingThreshold = true; 322 } 323 if (!mJustPeeked && (!waitForTouchSlop || mTracking) && !isTrackingBlocked()) { 324 setExpandedHeightInternal(newHeight); 325 } 326 327 trackMovement(event); 328 break; 329 330 case MotionEvent.ACTION_UP: 331 case MotionEvent.ACTION_CANCEL: 332 mTrackingPointer = -1; 333 trackMovement(event); 334 if ((mTracking && mTouchSlopExceeded) 335 || Math.abs(x - mInitialTouchX) > mTouchSlop 336 || Math.abs(y - mInitialTouchY) > mTouchSlop 337 || event.getActionMasked() == MotionEvent.ACTION_CANCEL) { 338 float vel = 0f; 339 float vectorVel = 0f; 340 if (mVelocityTracker != null) { 341 mVelocityTracker.computeCurrentVelocity(1000); 342 vel = mVelocityTracker.getYVelocity(); 343 vectorVel = (float) Math.hypot( 344 mVelocityTracker.getXVelocity(), mVelocityTracker.getYVelocity()); 345 } 346 boolean expand = flingExpands(vel, vectorVel); 347 onTrackingStopped(expand); 348 if (PhoneStatusBar.DEBUG_EMPTY_KEYGUARD) { 349 Log.i(TAG, "Flinging: expand=" + expand); 350 } 351 DozeLog.traceFling(expand, mTouchAboveFalsingThreshold, 352 mStatusBar.isFalsingThresholdNeeded()); 353 fling(vel, expand); 354 mUpdateFlingOnLayout = expand && mPanelClosedOnDown && !mHasLayoutedSinceDown; 355 if (mUpdateFlingOnLayout) { 356 mUpdateFlingVelocity = vel; 357 } 358 } else { 359 boolean expands = onEmptySpaceClick(mInitialTouchX); 360 onTrackingStopped(expands); 361 } 362 363 if (mVelocityTracker != null) { 364 mVelocityTracker.recycle(); 365 mVelocityTracker = null; 366 } 367 mPeekTouching = false; 368 break; 369 } 370 return !waitForTouchSlop || mTracking; 371 } 372 373 protected abstract boolean hasConflictingGestures(); 374 375 protected void onTrackingStopped(boolean expand) { 376 mTracking = false; 377 mBar.onTrackingStopped(PanelView.this, expand); 378 } 379 380 protected void onTrackingStarted() { 381 mTracking = true; 382 mCollapseAfterPeek = false; 383 mBar.onTrackingStarted(PanelView.this); 384 notifyExpandingStarted(); 385 } 386 387 @Override 388 public boolean onInterceptTouchEvent(MotionEvent event) { 389 if (mInstantExpanding) { 390 return false; 391 } 392 393 /* 394 * If the user drags anywhere inside the panel we intercept it if he moves his finger 395 * upwards. This allows closing the shade from anywhere inside the panel. 396 * 397 * We only do this if the current content is scrolled to the bottom, 398 * i.e isScrolledToBottom() is true and therefore there is no conflicting scrolling gesture 399 * possible. 400 */ 401 int pointerIndex = event.findPointerIndex(mTrackingPointer); 402 if (pointerIndex < 0) { 403 pointerIndex = 0; 404 mTrackingPointer = event.getPointerId(pointerIndex); 405 } 406 final float x = event.getX(pointerIndex); 407 final float y = event.getY(pointerIndex); 408 boolean scrolledToBottom = isScrolledToBottom(); 409 410 switch (event.getActionMasked()) { 411 case MotionEvent.ACTION_DOWN: 412 mStatusBar.userActivity(); 413 if (mHeightAnimator != null && !mHintAnimationRunning || 414 mPeekPending || mPeekAnimator != null) { 415 if (mHeightAnimator != null) { 416 mHeightAnimator.cancel(); // end any outstanding animations 417 } 418 cancelPeek(); 419 mTouchSlopExceeded = true; 420 return true; 421 } 422 mInitialTouchY = y; 423 mInitialTouchX = x; 424 mTouchSlopExceeded = false; 425 mJustPeeked = false; 426 mPanelClosedOnDown = mExpandedHeight == 0.0f; 427 mHasLayoutedSinceDown = false; 428 mUpdateFlingOnLayout = false; 429 mTouchAboveFalsingThreshold = false; 430 initVelocityTracker(); 431 trackMovement(event); 432 break; 433 case MotionEvent.ACTION_POINTER_UP: 434 final int upPointer = event.getPointerId(event.getActionIndex()); 435 if (mTrackingPointer == upPointer) { 436 // gesture is ongoing, find a new pointer to track 437 final int newIndex = event.getPointerId(0) != upPointer ? 0 : 1; 438 mTrackingPointer = event.getPointerId(newIndex); 439 mInitialTouchX = event.getX(newIndex); 440 mInitialTouchY = event.getY(newIndex); 441 } 442 break; 443 444 case MotionEvent.ACTION_MOVE: 445 final float h = y - mInitialTouchY; 446 trackMovement(event); 447 if (scrolledToBottom) { 448 if (h < -mTouchSlop && h < -Math.abs(x - mInitialTouchX)) { 449 if (mHeightAnimator != null) { 450 mHeightAnimator.cancel(); 451 } 452 mInitialOffsetOnTouch = mExpandedHeight; 453 mInitialTouchY = y; 454 mInitialTouchX = x; 455 mTracking = true; 456 mTouchSlopExceeded = true; 457 onTrackingStarted(); 458 return true; 459 } 460 } 461 break; 462 case MotionEvent.ACTION_CANCEL: 463 case MotionEvent.ACTION_UP: 464 break; 465 } 466 return false; 467 } 468 469 private void initVelocityTracker() { 470 if (mVelocityTracker != null) { 471 mVelocityTracker.recycle(); 472 } 473 mVelocityTracker = VelocityTrackerFactory.obtain(getContext()); 474 } 475 476 protected boolean isScrolledToBottom() { 477 return true; 478 } 479 480 protected float getContentHeight() { 481 return mExpandedHeight; 482 } 483 484 @Override 485 protected void onFinishInflate() { 486 super.onFinishInflate(); 487 loadDimens(); 488 } 489 490 @Override 491 protected void onConfigurationChanged(Configuration newConfig) { 492 super.onConfigurationChanged(newConfig); 493 loadDimens(); 494 } 495 496 /** 497 * @param vel the current vertical velocity of the motion 498 * @param vectorVel the length of the vectorial velocity 499 * @return whether a fling should expands the panel; contracts otherwise 500 */ 501 protected boolean flingExpands(float vel, float vectorVel) { 502 if (isBelowFalsingThreshold()) { 503 return true; 504 } 505 if (Math.abs(vectorVel) < mFlingAnimationUtils.getMinVelocityPxPerSecond()) { 506 return getExpandedFraction() > 0.5f; 507 } else { 508 return vel > 0; 509 } 510 } 511 512 private boolean isBelowFalsingThreshold() { 513 return !mTouchAboveFalsingThreshold && mStatusBar.isFalsingThresholdNeeded(); 514 } 515 516 protected void fling(float vel, boolean expand) { 517 cancelPeek(); 518 float target = expand ? getMaxPanelHeight() : 0.0f; 519 520 // Hack to make the expand transition look nice when clear all button is visible - we make 521 // the animation only to the last notification, and then jump to the maximum panel height so 522 // clear all just fades in and the decelerating motion is towards the last notification. 523 final boolean clearAllExpandHack = expand && fullyExpandedClearAllVisible() 524 && mExpandedHeight < getMaxPanelHeight() - getClearAllHeight() 525 && !isClearAllVisible(); 526 if (clearAllExpandHack) { 527 target = getMaxPanelHeight() - getClearAllHeight(); 528 } 529 if (target == mExpandedHeight || getOverExpansionAmount() > 0f && expand) { 530 notifyExpandingFinished(); 531 return; 532 } 533 if (PhoneStatusBar.DEBUG_EMPTY_KEYGUARD) { 534 Log.i(TAG, "Executing fling: expand=" + expand + " vel=" + vel); 535 } 536 mOverExpandedBeforeFling = getOverExpansionAmount() > 0f; 537 ValueAnimator animator = createHeightAnimator(target); 538 if (expand) { 539 boolean belowFalsingThreshold = isBelowFalsingThreshold(); 540 if (belowFalsingThreshold) { 541 vel = 0; 542 } 543 mFlingAnimationUtils.apply(animator, mExpandedHeight, target, vel, getHeight()); 544 if (belowFalsingThreshold) { 545 animator.setDuration(350); 546 } 547 } else { 548 mFlingAnimationUtils.applyDismissing(animator, mExpandedHeight, target, vel, 549 getHeight()); 550 551 // Make it shorter if we run a canned animation 552 if (vel == 0) { 553 animator.setDuration((long) 554 (animator.getDuration() * getCannedFlingDurationFactor())); 555 } 556 } 557 animator.addListener(new AnimatorListenerAdapter() { 558 private boolean mCancelled; 559 560 @Override 561 public void onAnimationCancel(Animator animation) { 562 mCancelled = true; 563 } 564 565 @Override 566 public void onAnimationEnd(Animator animation) { 567 if (clearAllExpandHack && !mCancelled) { 568 setExpandedHeightInternal(getMaxPanelHeight()); 569 } 570 mHeightAnimator = null; 571 if (!mCancelled) { 572 notifyExpandingFinished(); 573 } 574 } 575 }); 576 mHeightAnimator = animator; 577 animator.start(); 578 } 579 580 @Override 581 protected void onAttachedToWindow() { 582 super.onAttachedToWindow(); 583 mViewName = getResources().getResourceName(getId()); 584 } 585 586 public String getName() { 587 return mViewName; 588 } 589 590 public void setExpandedHeight(float height) { 591 if (DEBUG) logf("setExpandedHeight(%.1f)", height); 592 setExpandedHeightInternal(height + getOverExpansionPixels()); 593 } 594 595 @Override 596 protected void onLayout (boolean changed, int left, int top, int right, int bottom) { 597 super.onLayout(changed, left, top, right, bottom); 598 requestPanelHeightUpdate(); 599 mHasLayoutedSinceDown = true; 600 if (mUpdateFlingOnLayout) { 601 abortAnimations(); 602 fling(mUpdateFlingVelocity, true); 603 mUpdateFlingOnLayout = false; 604 } 605 } 606 607 protected void requestPanelHeightUpdate() { 608 float currentMaxPanelHeight = getMaxPanelHeight(); 609 610 // If the user isn't actively poking us, let's update the height 611 if ((!mTracking || isTrackingBlocked()) 612 && mHeightAnimator == null 613 && mExpandedHeight > 0 614 && currentMaxPanelHeight != mExpandedHeight 615 && !mPeekPending 616 && mPeekAnimator == null 617 && !mPeekTouching) { 618 setExpandedHeight(currentMaxPanelHeight); 619 } 620 } 621 622 public void setExpandedHeightInternal(float h) { 623 float fhWithoutOverExpansion = getMaxPanelHeight() - getOverExpansionAmount(); 624 if (mHeightAnimator == null) { 625 float overExpansionPixels = Math.max(0, h - fhWithoutOverExpansion); 626 if (getOverExpansionPixels() != overExpansionPixels && mTracking) { 627 setOverExpansion(overExpansionPixels, true /* isPixels */); 628 } 629 mExpandedHeight = Math.min(h, fhWithoutOverExpansion) + getOverExpansionAmount(); 630 } else { 631 mExpandedHeight = h; 632 if (mOverExpandedBeforeFling) { 633 setOverExpansion(Math.max(0, h - fhWithoutOverExpansion), false /* isPixels */); 634 } 635 } 636 637 mExpandedHeight = Math.max(0, mExpandedHeight); 638 onHeightUpdated(mExpandedHeight); 639 mExpandedFraction = Math.min(1f, fhWithoutOverExpansion == 0 640 ? 0 641 : mExpandedHeight / fhWithoutOverExpansion); 642 notifyBarPanelExpansionChanged(); 643 } 644 645 /** 646 * @return true if the panel tracking should be temporarily blocked; this is used when a 647 * conflicting gesture (opening QS) is happening 648 */ 649 protected abstract boolean isTrackingBlocked(); 650 651 protected abstract void setOverExpansion(float overExpansion, boolean isPixels); 652 653 protected abstract void onHeightUpdated(float expandedHeight); 654 655 protected abstract float getOverExpansionAmount(); 656 657 protected abstract float getOverExpansionPixels(); 658 659 /** 660 * This returns the maximum height of the panel. Children should override this if their 661 * desired height is not the full height. 662 * 663 * @return the default implementation simply returns the maximum height. 664 */ 665 protected abstract int getMaxPanelHeight(); 666 667 public void setExpandedFraction(float frac) { 668 setExpandedHeight(getMaxPanelHeight() * frac); 669 } 670 671 public float getExpandedHeight() { 672 return mExpandedHeight; 673 } 674 675 public float getExpandedFraction() { 676 return mExpandedFraction; 677 } 678 679 public boolean isFullyExpanded() { 680 return mExpandedHeight >= getMaxPanelHeight(); 681 } 682 683 public boolean isFullyCollapsed() { 684 return mExpandedHeight <= 0; 685 } 686 687 public boolean isCollapsing() { 688 return mClosing; 689 } 690 691 public boolean isTracking() { 692 return mTracking; 693 } 694 695 public void setBar(PanelBar panelBar) { 696 mBar = panelBar; 697 } 698 699 public void collapse(boolean delayed) { 700 if (DEBUG) logf("collapse: " + this); 701 if (mPeekPending || mPeekAnimator != null) { 702 mCollapseAfterPeek = true; 703 if (mPeekPending) { 704 705 // We know that the whole gesture is just a peek triggered by a simple click, so 706 // better start it now. 707 removeCallbacks(mPeekRunnable); 708 mPeekRunnable.run(); 709 } 710 } else if (!isFullyCollapsed() && !mTracking && !mClosing) { 711 if (mHeightAnimator != null) { 712 mHeightAnimator.cancel(); 713 } 714 mClosing = true; 715 notifyExpandingStarted(); 716 if (delayed) { 717 if (PhoneStatusBar.DEBUG_EMPTY_KEYGUARD) { 718 Log.i(TAG, "Posting collapse runnable, will be run in 120ms"); 719 } 720 postDelayed(mFlingCollapseRunnable, 120); 721 } else { 722 if (PhoneStatusBar.DEBUG_EMPTY_KEYGUARD) { 723 Log.i(TAG, "Animating collapsing now"); 724 } 725 fling(0, false /* expand */); 726 } 727 } 728 } 729 730 private final Runnable mFlingCollapseRunnable = new Runnable() { 731 @Override 732 public void run() { 733 if (PhoneStatusBar.DEBUG_EMPTY_KEYGUARD) { 734 Log.i(TAG, "Executing collapse runnable, animating collapsing now"); 735 } 736 fling(0, false /* expand */); 737 } 738 }; 739 740 public void expand() { 741 if (DEBUG) logf("expand: " + this); 742 if (isFullyCollapsed()) { 743 mBar.startOpeningPanel(this); 744 notifyExpandingStarted(); 745 fling(0, true /* expand */); 746 } else if (DEBUG) { 747 if (DEBUG) logf("skipping expansion: is expanded"); 748 } 749 } 750 751 public void cancelPeek() { 752 if (mPeekAnimator != null) { 753 mPeekAnimator.cancel(); 754 } 755 removeCallbacks(mPeekRunnable); 756 mPeekPending = false; 757 758 // When peeking, we already tell mBar that we expanded ourselves. Make sure that we also 759 // notify mBar that we might have closed ourselves. 760 notifyBarPanelExpansionChanged(); 761 } 762 763 public void instantExpand() { 764 if (PhoneStatusBar.DEBUG_EMPTY_KEYGUARD) { 765 Log.i(TAG, "Before instant expanding" 766 + " mTracking=" + mTracking 767 + " mExpanding=" + mExpanding); 768 } 769 mInstantExpanding = true; 770 mUpdateFlingOnLayout = false; 771 abortAnimations(); 772 cancelPeek(); 773 if (mTracking) { 774 onTrackingStopped(true /* expands */); // The panel is expanded after this call. 775 } 776 if (mExpanding) { 777 notifyExpandingFinished(); 778 } 779 setVisibility(VISIBLE); 780 781 // Wait for window manager to pickup the change, so we know the maximum height of the panel 782 // then. 783 getViewTreeObserver().addOnGlobalLayoutListener( 784 new ViewTreeObserver.OnGlobalLayoutListener() { 785 @Override 786 public void onGlobalLayout() { 787 if (mStatusBar.getStatusBarWindow().getHeight() 788 != mStatusBar.getStatusBarHeight()) { 789 if (PhoneStatusBar.DEBUG_EMPTY_KEYGUARD) { 790 Log.i(TAG, "Now instant expanding after layout" 791 + " mTracking=" + mTracking 792 + " mExpanding=" + mExpanding); 793 } 794 getViewTreeObserver().removeOnGlobalLayoutListener(this); 795 setExpandedFraction(1f); 796 mInstantExpanding = false; 797 } 798 } 799 }); 800 801 // Make sure a layout really happens. 802 requestLayout(); 803 } 804 805 private void abortAnimations() { 806 cancelPeek(); 807 if (mHeightAnimator != null) { 808 mHeightAnimator.cancel(); 809 } 810 removeCallbacks(mPostCollapseRunnable); 811 removeCallbacks(mFlingCollapseRunnable); 812 } 813 814 protected void startUnlockHintAnimation() { 815 816 // We don't need to hint the user if an animation is already running or the user is changing 817 // the expansion. 818 if (mHeightAnimator != null || mTracking) { 819 return; 820 } 821 cancelPeek(); 822 notifyExpandingStarted(); 823 startUnlockHintAnimationPhase1(new Runnable() { 824 @Override 825 public void run() { 826 notifyExpandingFinished(); 827 mStatusBar.onHintFinished(); 828 mHintAnimationRunning = false; 829 } 830 }); 831 mStatusBar.onUnlockHintStarted(); 832 mHintAnimationRunning = true; 833 } 834 835 /** 836 * Phase 1: Move everything upwards. 837 */ 838 private void startUnlockHintAnimationPhase1(final Runnable onAnimationFinished) { 839 float target = Math.max(0, getMaxPanelHeight() - mHintDistance); 840 ValueAnimator animator = createHeightAnimator(target); 841 animator.setDuration(250); 842 animator.setInterpolator(mFastOutSlowInInterpolator); 843 animator.addListener(new AnimatorListenerAdapter() { 844 private boolean mCancelled; 845 846 @Override 847 public void onAnimationCancel(Animator animation) { 848 mCancelled = true; 849 } 850 851 @Override 852 public void onAnimationEnd(Animator animation) { 853 if (mCancelled) { 854 mHeightAnimator = null; 855 onAnimationFinished.run(); 856 } else { 857 startUnlockHintAnimationPhase2(onAnimationFinished); 858 } 859 } 860 }); 861 animator.start(); 862 mHeightAnimator = animator; 863 mOriginalIndicationY = mKeyguardBottomArea.getIndicationView().getY(); 864 mKeyguardBottomArea.getIndicationView().animate() 865 .y(mOriginalIndicationY - mHintDistance) 866 .setDuration(250) 867 .setInterpolator(mFastOutSlowInInterpolator) 868 .withEndAction(new Runnable() { 869 @Override 870 public void run() { 871 mKeyguardBottomArea.getIndicationView().animate() 872 .y(mOriginalIndicationY) 873 .setDuration(450) 874 .setInterpolator(mBounceInterpolator) 875 .start(); 876 } 877 }) 878 .start(); 879 } 880 881 /** 882 * Phase 2: Bounce down. 883 */ 884 private void startUnlockHintAnimationPhase2(final Runnable onAnimationFinished) { 885 ValueAnimator animator = createHeightAnimator(getMaxPanelHeight()); 886 animator.setDuration(450); 887 animator.setInterpolator(mBounceInterpolator); 888 animator.addListener(new AnimatorListenerAdapter() { 889 @Override 890 public void onAnimationEnd(Animator animation) { 891 mHeightAnimator = null; 892 onAnimationFinished.run(); 893 } 894 }); 895 animator.start(); 896 mHeightAnimator = animator; 897 } 898 899 private ValueAnimator createHeightAnimator(float targetHeight) { 900 ValueAnimator animator = ValueAnimator.ofFloat(mExpandedHeight, targetHeight); 901 animator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() { 902 @Override 903 public void onAnimationUpdate(ValueAnimator animation) { 904 setExpandedHeightInternal((Float) animation.getAnimatedValue()); 905 } 906 }); 907 return animator; 908 } 909 910 private void notifyBarPanelExpansionChanged() { 911 mBar.panelExpansionChanged(this, mExpandedFraction, mExpandedFraction > 0f || mPeekPending 912 || mPeekAnimator != null); 913 } 914 915 /** 916 * Gets called when the user performs a click anywhere in the empty area of the panel. 917 * 918 * @return whether the panel will be expanded after the action performed by this method 919 */ 920 private boolean onEmptySpaceClick(float x) { 921 if (mHintAnimationRunning) { 922 return true; 923 } 924 if (x < mEdgeTapAreaWidth 925 && mStatusBar.getBarState() == StatusBarState.KEYGUARD) { 926 onEdgeClicked(false /* right */); 927 return true; 928 } else if (x > getWidth() - mEdgeTapAreaWidth 929 && mStatusBar.getBarState() == StatusBarState.KEYGUARD) { 930 onEdgeClicked(true /* right */); 931 return true; 932 } else { 933 return onMiddleClicked(); 934 } 935 } 936 937 private final Runnable mPostCollapseRunnable = new Runnable() { 938 @Override 939 public void run() { 940 if (PhoneStatusBar.DEBUG_EMPTY_KEYGUARD) { 941 Log.i(TAG, "Collapsing after middle clicked"); 942 } 943 collapse(false /* delayed */); 944 } 945 }; 946 private boolean onMiddleClicked() { 947 switch (mStatusBar.getBarState()) { 948 case StatusBarState.KEYGUARD: 949 startUnlockHintAnimation(); 950 return true; 951 case StatusBarState.SHADE_LOCKED: 952 mStatusBar.goToKeyguard(); 953 return true; 954 case StatusBarState.SHADE: 955 if (PhoneStatusBar.DEBUG_EMPTY_KEYGUARD) { 956 Log.i(TAG, "Middle clicked in shade state, posting collapsing runnable"); 957 } 958 959 // This gets called in the middle of the touch handling, where the state is still 960 // that we are tracking the panel. Collapse the panel after this is done. 961 post(mPostCollapseRunnable); 962 return false; 963 default: 964 return true; 965 } 966 } 967 968 protected abstract void onEdgeClicked(boolean right); 969 970 public void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 971 pw.println(String.format("[PanelView(%s): expandedHeight=%f maxPanelHeight=%d closing=%s" 972 + " tracking=%s justPeeked=%s peekAnim=%s%s timeAnim=%s%s touchDisabled=%s" 973 + "]", 974 this.getClass().getSimpleName(), 975 getExpandedHeight(), 976 getMaxPanelHeight(), 977 mClosing?"T":"f", 978 mTracking?"T":"f", 979 mJustPeeked?"T":"f", 980 mPeekAnimator, ((mPeekAnimator!=null && mPeekAnimator.isStarted())?" (started)":""), 981 mHeightAnimator, ((mHeightAnimator !=null && mHeightAnimator.isStarted())?" (started)":""), 982 mTouchDisabled?"T":"f" 983 )); 984 } 985 986 public abstract void resetViews(); 987 988 protected abstract float getPeekHeight(); 989 990 protected abstract float getCannedFlingDurationFactor(); 991 992 /** 993 * @return whether "Clear all" button will be visible when the panel is fully expanded 994 */ 995 protected abstract boolean fullyExpandedClearAllVisible(); 996 997 protected abstract boolean isClearAllVisible(); 998 999 /** 1000 * @return the height of the clear all button, in pixels 1001 */ 1002 protected abstract int getClearAllHeight(); 1003} 1004