/* * Copyright (C) 2012 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.android.systemui.statusbar.phone; import android.animation.Animator; import android.animation.AnimatorListenerAdapter; import android.animation.ObjectAnimator; import android.animation.ValueAnimator; import android.content.Context; import android.content.res.Configuration; import android.content.res.Resources; import android.os.SystemClock; import android.util.AttributeSet; import android.util.Log; import android.view.InputDevice; import android.view.MotionEvent; import android.view.ViewConfiguration; import android.view.ViewTreeObserver; import android.view.animation.Interpolator; import android.widget.FrameLayout; import com.android.internal.logging.nano.MetricsProto.MetricsEvent; import com.android.keyguard.LatencyTracker; import com.android.systemui.DejankUtils; import com.android.systemui.Interpolators; import com.android.systemui.R; import com.android.systemui.classifier.FalsingManager; import com.android.systemui.doze.DozeLog; import com.android.systemui.statusbar.FlingAnimationUtils; import com.android.systemui.statusbar.StatusBarState; import com.android.systemui.statusbar.policy.HeadsUpManager; import java.io.FileDescriptor; import java.io.PrintWriter; public abstract class PanelView extends FrameLayout { public static final boolean DEBUG = PanelBar.DEBUG; public static final String TAG = PanelView.class.getSimpleName(); private static final int INITIAL_OPENING_PEEK_DURATION = 200; private static final int PEEK_ANIMATION_DURATION = 360; private long mDownTime; private float mMinExpandHeight; private LockscreenGestureLogger mLockscreenGestureLogger = new LockscreenGestureLogger(); private boolean mPanelUpdateWhenAnimatorEnds; private final void logf(String fmt, Object... args) { Log.v(TAG, (mViewName != null ? (mViewName + ": ") : "") + String.format(fmt, args)); } protected StatusBar mStatusBar; protected HeadsUpManager mHeadsUpManager; private float mPeekHeight; private float mHintDistance; private float mInitialOffsetOnTouch; private boolean mCollapsedAndHeadsUpOnDown; private float mExpandedFraction = 0; protected float mExpandedHeight = 0; private boolean mPanelClosedOnDown; private boolean mHasLayoutedSinceDown; private float mUpdateFlingVelocity; private boolean mUpdateFlingOnLayout; private boolean mPeekTouching; private boolean mJustPeeked; private boolean mClosing; protected boolean mTracking; private boolean mTouchSlopExceeded; private int mTrackingPointer; protected int mTouchSlop; protected boolean mHintAnimationRunning; private boolean mOverExpandedBeforeFling; private boolean mTouchAboveFalsingThreshold; private int mUnlockFalsingThreshold; private boolean mTouchStartedInEmptyArea; private boolean mMotionAborted; private boolean mUpwardsWhenTresholdReached; private boolean mAnimatingOnDown; private ValueAnimator mHeightAnimator; private ObjectAnimator mPeekAnimator; private VelocityTrackerInterface mVelocityTracker; private FlingAnimationUtils mFlingAnimationUtils; private FlingAnimationUtils mFlingAnimationUtilsClosing; private FlingAnimationUtils mFlingAnimationUtilsDismissing; private FalsingManager mFalsingManager; /** * Whether an instant expand request is currently pending and we are just waiting for layout. */ private boolean mInstantExpanding; private boolean mAnimateAfterExpanding; PanelBar mBar; private String mViewName; private float mInitialTouchY; private float mInitialTouchX; private boolean mTouchDisabled; /** * Whether or not the PanelView can be expanded or collapsed with a drag. */ private boolean mNotificationsDragEnabled; private Interpolator mBounceInterpolator; protected KeyguardBottomAreaView mKeyguardBottomArea; /** * Speed-up factor to be used when {@link #mFlingCollapseRunnable} runs the next time. */ private float mNextCollapseSpeedUpFactor = 1.0f; protected boolean mExpanding; private boolean mGestureWaitForTouchSlop; private boolean mIgnoreXTouchSlop; private boolean mExpandLatencyTracking; protected void onExpandingFinished() { mBar.onExpandingFinished(); } protected void onExpandingStarted() { } private void notifyExpandingStarted() { if (!mExpanding) { mExpanding = true; onExpandingStarted(); } } protected final void notifyExpandingFinished() { endClosing(); if (mExpanding) { mExpanding = false; onExpandingFinished(); } } private void runPeekAnimation(long duration, float peekHeight, boolean collapseWhenFinished) { mPeekHeight = peekHeight; if (DEBUG) logf("peek to height=%.1f", mPeekHeight); if (mHeightAnimator != null) { return; } if (mPeekAnimator != null) { mPeekAnimator.cancel(); } mPeekAnimator = ObjectAnimator.ofFloat(this, "expandedHeight", mPeekHeight) .setDuration(duration); mPeekAnimator.setInterpolator(Interpolators.LINEAR_OUT_SLOW_IN); mPeekAnimator.addListener(new AnimatorListenerAdapter() { private boolean mCancelled; @Override public void onAnimationCancel(Animator animation) { mCancelled = true; } @Override public void onAnimationEnd(Animator animation) { mPeekAnimator = null; if (!mCancelled && collapseWhenFinished) { postOnAnimation(mPostCollapseRunnable); } } }); notifyExpandingStarted(); mPeekAnimator.start(); mJustPeeked = true; } public PanelView(Context context, AttributeSet attrs) { super(context, attrs); mFlingAnimationUtils = new FlingAnimationUtils(context, 0.6f /* maxLengthSeconds */, 0.6f /* speedUpFactor */); mFlingAnimationUtilsClosing = new FlingAnimationUtils(context, 0.5f /* maxLengthSeconds */, 0.6f /* speedUpFactor */); mFlingAnimationUtilsDismissing = new FlingAnimationUtils(context, 0.5f /* maxLengthSeconds */, 0.2f /* speedUpFactor */, 0.6f /* x2 */, 0.84f /* y2 */); mBounceInterpolator = new BounceInterpolator(); mFalsingManager = FalsingManager.getInstance(context); mNotificationsDragEnabled = getResources().getBoolean(R.bool.config_enableNotificationShadeDrag); } protected void loadDimens() { final Resources res = getContext().getResources(); final ViewConfiguration configuration = ViewConfiguration.get(getContext()); mTouchSlop = configuration.getScaledTouchSlop(); mHintDistance = res.getDimension(R.dimen.hint_move_distance); mUnlockFalsingThreshold = res.getDimensionPixelSize(R.dimen.unlock_falsing_threshold); } private void trackMovement(MotionEvent event) { // Add movement to velocity tracker using raw screen X and Y coordinates instead // of window coordinates because the window frame may be moving at the same time. float deltaX = event.getRawX() - event.getX(); float deltaY = event.getRawY() - event.getY(); event.offsetLocation(deltaX, deltaY); if (mVelocityTracker != null) mVelocityTracker.addMovement(event); event.offsetLocation(-deltaX, -deltaY); } public void setTouchDisabled(boolean disabled) { mTouchDisabled = disabled; if (mTouchDisabled) { cancelHeightAnimator(); if (mTracking) { onTrackingStopped(true /* expanded */); } notifyExpandingFinished(); } } public void startExpandLatencyTracking() { if (LatencyTracker.isEnabled(mContext)) { LatencyTracker.getInstance(mContext).onActionStart( LatencyTracker.ACTION_EXPAND_PANEL); mExpandLatencyTracking = true; } } @Override public boolean onTouchEvent(MotionEvent event) { if (mInstantExpanding || mTouchDisabled || (mMotionAborted && event.getActionMasked() != MotionEvent.ACTION_DOWN)) { return false; } // If dragging should not expand the notifications shade, then return false. if (!mNotificationsDragEnabled) { if (mTracking) { // Turn off tracking if it's on or the shade can get stuck in the down position. onTrackingStopped(true /* expand */); } return false; } // On expanding, single mouse click expands the panel instead of dragging. if (isFullyCollapsed() && event.isFromSource(InputDevice.SOURCE_MOUSE)) { if (event.getAction() == MotionEvent.ACTION_UP) { expand(true); } return true; } /* * We capture touch events here and update the expand height here in case according to * the users fingers. This also handles multi-touch. * * If the user just clicks shortly, we show a quick peek of the shade. * * Flinging is also enabled in order to open or close the shade. */ int pointerIndex = event.findPointerIndex(mTrackingPointer); if (pointerIndex < 0) { pointerIndex = 0; mTrackingPointer = event.getPointerId(pointerIndex); } final float x = event.getX(pointerIndex); final float y = event.getY(pointerIndex); if (event.getActionMasked() == MotionEvent.ACTION_DOWN) { mGestureWaitForTouchSlop = isFullyCollapsed() || hasConflictingGestures(); mIgnoreXTouchSlop = isFullyCollapsed() || shouldGestureIgnoreXTouchSlop(x, y); } switch (event.getActionMasked()) { case MotionEvent.ACTION_DOWN: startExpandMotion(x, y, false /* startTracking */, mExpandedHeight); mJustPeeked = false; mMinExpandHeight = 0.0f; mPanelClosedOnDown = isFullyCollapsed(); mHasLayoutedSinceDown = false; mUpdateFlingOnLayout = false; mMotionAborted = false; mPeekTouching = mPanelClosedOnDown; mDownTime = SystemClock.uptimeMillis(); mTouchAboveFalsingThreshold = false; mCollapsedAndHeadsUpOnDown = isFullyCollapsed() && mHeadsUpManager.hasPinnedHeadsUp(); if (mVelocityTracker == null) { initVelocityTracker(); } trackMovement(event); if (!mGestureWaitForTouchSlop || (mHeightAnimator != null && !mHintAnimationRunning) || mPeekAnimator != null) { mTouchSlopExceeded = (mHeightAnimator != null && !mHintAnimationRunning) || mPeekAnimator != null; cancelHeightAnimator(); cancelPeek(); onTrackingStarted(); } if (isFullyCollapsed() && !mHeadsUpManager.hasPinnedHeadsUp()) { startOpening(); } break; case MotionEvent.ACTION_POINTER_UP: final int upPointer = event.getPointerId(event.getActionIndex()); if (mTrackingPointer == upPointer) { // gesture is ongoing, find a new pointer to track final int newIndex = event.getPointerId(0) != upPointer ? 0 : 1; final float newY = event.getY(newIndex); final float newX = event.getX(newIndex); mTrackingPointer = event.getPointerId(newIndex); startExpandMotion(newX, newY, true /* startTracking */, mExpandedHeight); } break; case MotionEvent.ACTION_POINTER_DOWN: if (mStatusBar.getBarState() == StatusBarState.KEYGUARD) { mMotionAborted = true; endMotionEvent(event, x, y, true /* forceCancel */); return false; } break; case MotionEvent.ACTION_MOVE: trackMovement(event); float h = y - mInitialTouchY; // If the panel was collapsed when touching, we only need to check for the // y-component of the gesture, as we have no conflicting horizontal gesture. if (Math.abs(h) > mTouchSlop && (Math.abs(h) > Math.abs(x - mInitialTouchX) || mIgnoreXTouchSlop)) { mTouchSlopExceeded = true; if (mGestureWaitForTouchSlop && !mTracking && !mCollapsedAndHeadsUpOnDown) { if (!mJustPeeked && mInitialOffsetOnTouch != 0f) { startExpandMotion(x, y, false /* startTracking */, mExpandedHeight); h = 0; } cancelHeightAnimator(); onTrackingStarted(); } } float newHeight = Math.max(0, h + mInitialOffsetOnTouch); if (newHeight > mPeekHeight) { if (mPeekAnimator != null) { mPeekAnimator.cancel(); } mJustPeeked = false; } else if (mPeekAnimator == null && mJustPeeked) { // The initial peek has finished, but we haven't dragged as far yet, lets // speed it up by starting at the peek height. mInitialOffsetOnTouch = mExpandedHeight; mInitialTouchY = y; mMinExpandHeight = mExpandedHeight; mJustPeeked = false; } newHeight = Math.max(newHeight, mMinExpandHeight); if (-h >= getFalsingThreshold()) { mTouchAboveFalsingThreshold = true; mUpwardsWhenTresholdReached = isDirectionUpwards(x, y); } if (!mJustPeeked && (!mGestureWaitForTouchSlop || mTracking) && !isTrackingBlocked()) { setExpandedHeightInternal(newHeight); } break; case MotionEvent.ACTION_UP: case MotionEvent.ACTION_CANCEL: trackMovement(event); endMotionEvent(event, x, y, false /* forceCancel */); break; } return !mGestureWaitForTouchSlop || mTracking; } private void startOpening() {; runPeekAnimation(INITIAL_OPENING_PEEK_DURATION, getOpeningHeight(), false /* collapseWhenFinished */); notifyBarPanelExpansionChanged(); } protected abstract float getOpeningHeight(); /** * @return whether the swiping direction is upwards and above a 45 degree angle compared to the * horizontal direction */ private boolean isDirectionUpwards(float x, float y) { float xDiff = x - mInitialTouchX; float yDiff = y - mInitialTouchY; if (yDiff >= 0) { return false; } return Math.abs(yDiff) >= Math.abs(xDiff); } protected void startExpandingFromPeek() { mStatusBar.handlePeekToExpandTransistion(); } protected void startExpandMotion(float newX, float newY, boolean startTracking, float expandedHeight) { mInitialOffsetOnTouch = expandedHeight; mInitialTouchY = newY; mInitialTouchX = newX; if (startTracking) { mTouchSlopExceeded = true; setExpandedHeight(mInitialOffsetOnTouch); onTrackingStarted(); } } private void endMotionEvent(MotionEvent event, float x, float y, boolean forceCancel) { mTrackingPointer = -1; if ((mTracking && mTouchSlopExceeded) || Math.abs(x - mInitialTouchX) > mTouchSlop || Math.abs(y - mInitialTouchY) > mTouchSlop || event.getActionMasked() == MotionEvent.ACTION_CANCEL || forceCancel) { float vel = 0f; float vectorVel = 0f; if (mVelocityTracker != null) { mVelocityTracker.computeCurrentVelocity(1000); vel = mVelocityTracker.getYVelocity(); vectorVel = (float) Math.hypot( mVelocityTracker.getXVelocity(), mVelocityTracker.getYVelocity()); } boolean expand = flingExpands(vel, vectorVel, x, y) || event.getActionMasked() == MotionEvent.ACTION_CANCEL || forceCancel; DozeLog.traceFling(expand, mTouchAboveFalsingThreshold, mStatusBar.isFalsingThresholdNeeded(), mStatusBar.isWakeUpComingFromTouch()); // Log collapse gesture if on lock screen. if (!expand && mStatusBar.getBarState() == StatusBarState.KEYGUARD) { float displayDensity = mStatusBar.getDisplayDensity(); int heightDp = (int) Math.abs((y - mInitialTouchY) / displayDensity); int velocityDp = (int) Math.abs(vel / displayDensity); mLockscreenGestureLogger.write( MetricsEvent.ACTION_LS_UNLOCK, heightDp, velocityDp); } fling(vel, expand, isFalseTouch(x, y)); onTrackingStopped(expand); mUpdateFlingOnLayout = expand && mPanelClosedOnDown && !mHasLayoutedSinceDown; if (mUpdateFlingOnLayout) { mUpdateFlingVelocity = vel; } } else if (mPanelClosedOnDown && !mHeadsUpManager.hasPinnedHeadsUp() && !mTracking) { long timePassed = SystemClock.uptimeMillis() - mDownTime; if (timePassed < ViewConfiguration.getLongPressTimeout()) { // Lets show the user that he can actually expand the panel runPeekAnimation(PEEK_ANIMATION_DURATION, getPeekHeight(), true /* collapseWhenFinished */); } else { // We need to collapse the panel since we peeked to the small height. postOnAnimation(mPostCollapseRunnable); } } else { boolean expands = onEmptySpaceClick(mInitialTouchX); onTrackingStopped(expands); } if (mVelocityTracker != null) { mVelocityTracker.recycle(); mVelocityTracker = null; } mPeekTouching = false; } protected float getCurrentExpandVelocity() { if (mVelocityTracker == null) { return 0; } mVelocityTracker.computeCurrentVelocity(1000); return mVelocityTracker.getYVelocity(); } private int getFalsingThreshold() { float factor = mStatusBar.isWakeUpComingFromTouch() ? 1.5f : 1.0f; return (int) (mUnlockFalsingThreshold * factor); } protected abstract boolean hasConflictingGestures(); protected abstract boolean shouldGestureIgnoreXTouchSlop(float x, float y); protected void onTrackingStopped(boolean expand) { mTracking = false; mBar.onTrackingStopped(expand); notifyBarPanelExpansionChanged(); } protected void onTrackingStarted() { endClosing(); mTracking = true; mBar.onTrackingStarted(); notifyExpandingStarted(); notifyBarPanelExpansionChanged(); } @Override public boolean onInterceptTouchEvent(MotionEvent event) { if (mInstantExpanding || !mNotificationsDragEnabled || mTouchDisabled || (mMotionAborted && event.getActionMasked() != MotionEvent.ACTION_DOWN)) { return false; } /* * If the user drags anywhere inside the panel we intercept it if the movement is * upwards. This allows closing the shade from anywhere inside the panel. * * We only do this if the current content is scrolled to the bottom, * i.e isScrolledToBottom() is true and therefore there is no conflicting scrolling gesture * possible. */ int pointerIndex = event.findPointerIndex(mTrackingPointer); if (pointerIndex < 0) { pointerIndex = 0; mTrackingPointer = event.getPointerId(pointerIndex); } final float x = event.getX(pointerIndex); final float y = event.getY(pointerIndex); boolean scrolledToBottom = isScrolledToBottom(); switch (event.getActionMasked()) { case MotionEvent.ACTION_DOWN: mStatusBar.userActivity(); mAnimatingOnDown = mHeightAnimator != null; mMinExpandHeight = 0.0f; mDownTime = SystemClock.uptimeMillis(); if (mAnimatingOnDown && mClosing && !mHintAnimationRunning || mPeekAnimator != null) { cancelHeightAnimator(); cancelPeek(); mTouchSlopExceeded = true; return true; } mInitialTouchY = y; mInitialTouchX = x; mTouchStartedInEmptyArea = !isInContentBounds(x, y); mTouchSlopExceeded = false; mJustPeeked = false; mMotionAborted = false; mPanelClosedOnDown = isFullyCollapsed(); mCollapsedAndHeadsUpOnDown = false; mHasLayoutedSinceDown = false; mUpdateFlingOnLayout = false; mTouchAboveFalsingThreshold = false; initVelocityTracker(); trackMovement(event); break; case MotionEvent.ACTION_POINTER_UP: final int upPointer = event.getPointerId(event.getActionIndex()); if (mTrackingPointer == upPointer) { // gesture is ongoing, find a new pointer to track final int newIndex = event.getPointerId(0) != upPointer ? 0 : 1; mTrackingPointer = event.getPointerId(newIndex); mInitialTouchX = event.getX(newIndex); mInitialTouchY = event.getY(newIndex); } break; case MotionEvent.ACTION_POINTER_DOWN: if (mStatusBar.getBarState() == StatusBarState.KEYGUARD) { mMotionAborted = true; if (mVelocityTracker != null) { mVelocityTracker.recycle(); mVelocityTracker = null; } } break; case MotionEvent.ACTION_MOVE: final float h = y - mInitialTouchY; trackMovement(event); if (scrolledToBottom || mTouchStartedInEmptyArea || mAnimatingOnDown) { float hAbs = Math.abs(h); if ((h < -mTouchSlop || (mAnimatingOnDown && hAbs > mTouchSlop)) && hAbs > Math.abs(x - mInitialTouchX)) { cancelHeightAnimator(); startExpandMotion(x, y, true /* startTracking */, mExpandedHeight); return true; } } break; case MotionEvent.ACTION_CANCEL: case MotionEvent.ACTION_UP: if (mVelocityTracker != null) { mVelocityTracker.recycle(); mVelocityTracker = null; } break; } return false; } /** * @return Whether a pair of coordinates are inside the visible view content bounds. */ protected abstract boolean isInContentBounds(float x, float y); protected void cancelHeightAnimator() { if (mHeightAnimator != null) { if (mHeightAnimator.isRunning()) { mPanelUpdateWhenAnimatorEnds = false; } mHeightAnimator.cancel(); } endClosing(); } private void endClosing() { if (mClosing) { mClosing = false; onClosingFinished(); } } private void initVelocityTracker() { if (mVelocityTracker != null) { mVelocityTracker.recycle(); } mVelocityTracker = VelocityTrackerFactory.obtain(getContext()); } protected boolean isScrolledToBottom() { return true; } protected float getContentHeight() { return mExpandedHeight; } @Override protected void onFinishInflate() { super.onFinishInflate(); loadDimens(); } @Override protected void onConfigurationChanged(Configuration newConfig) { super.onConfigurationChanged(newConfig); loadDimens(); } /** * @param vel the current vertical velocity of the motion * @param vectorVel the length of the vectorial velocity * @return whether a fling should expands the panel; contracts otherwise */ protected boolean flingExpands(float vel, float vectorVel, float x, float y) { if (isFalseTouch(x, y)) { return true; } if (Math.abs(vectorVel) < mFlingAnimationUtils.getMinVelocityPxPerSecond()) { return getExpandedFraction() > 0.5f; } else { return vel > 0; } } /** * @param x the final x-coordinate when the finger was lifted * @param y the final y-coordinate when the finger was lifted * @return whether this motion should be regarded as a false touch */ private boolean isFalseTouch(float x, float y) { if (!mStatusBar.isFalsingThresholdNeeded()) { return false; } if (mFalsingManager.isClassiferEnabled()) { return mFalsingManager.isFalseTouch(); } if (!mTouchAboveFalsingThreshold) { return true; } if (mUpwardsWhenTresholdReached) { return false; } return !isDirectionUpwards(x, y); } protected void fling(float vel, boolean expand) { fling(vel, expand, 1.0f /* collapseSpeedUpFactor */, false); } protected void fling(float vel, boolean expand, boolean expandBecauseOfFalsing) { fling(vel, expand, 1.0f /* collapseSpeedUpFactor */, expandBecauseOfFalsing); } protected void fling(float vel, boolean expand, float collapseSpeedUpFactor, boolean expandBecauseOfFalsing) { cancelPeek(); float target = expand ? getMaxPanelHeight() : 0; if (!expand) { mClosing = true; } flingToHeight(vel, expand, target, collapseSpeedUpFactor, expandBecauseOfFalsing); } protected void flingToHeight(float vel, boolean expand, float target, float collapseSpeedUpFactor, boolean expandBecauseOfFalsing) { // Hack to make the expand transition look nice when clear all button is visible - we make // the animation only to the last notification, and then jump to the maximum panel height so // clear all just fades in and the decelerating motion is towards the last notification. final boolean clearAllExpandHack = expand && fullyExpandedClearAllVisible() && mExpandedHeight < getMaxPanelHeight() - getClearAllHeight() && !isClearAllVisible(); if (clearAllExpandHack) { target = getMaxPanelHeight() - getClearAllHeight(); } if (target == mExpandedHeight || getOverExpansionAmount() > 0f && expand) { notifyExpandingFinished(); return; } mOverExpandedBeforeFling = getOverExpansionAmount() > 0f; ValueAnimator animator = createHeightAnimator(target); if (expand) { if (expandBecauseOfFalsing && vel < 0) { vel = 0; } mFlingAnimationUtils.apply(animator, mExpandedHeight, target, vel, getHeight()); if (vel == 0) { animator.setDuration(350); } } else { if (shouldUseDismissingAnimation()) { if (vel == 0) { animator.setInterpolator(Interpolators.PANEL_CLOSE_ACCELERATED); long duration = (long) (200 + mExpandedHeight / getHeight() * 100); animator.setDuration(duration); } else { mFlingAnimationUtilsDismissing.apply(animator, mExpandedHeight, target, vel, getHeight()); } } else { mFlingAnimationUtilsClosing .apply(animator, mExpandedHeight, target, vel, getHeight()); } // Make it shorter if we run a canned animation if (vel == 0) { animator.setDuration((long) (animator.getDuration() / collapseSpeedUpFactor)); } } animator.addListener(new AnimatorListenerAdapter() { private boolean mCancelled; @Override public void onAnimationCancel(Animator animation) { mCancelled = true; } @Override public void onAnimationEnd(Animator animation) { if (clearAllExpandHack && !mCancelled) { setExpandedHeightInternal(getMaxPanelHeight()); } setAnimator(null); if (!mCancelled) { notifyExpandingFinished(); } notifyBarPanelExpansionChanged(); } }); setAnimator(animator); animator.start(); } protected abstract boolean shouldUseDismissingAnimation(); @Override protected void onAttachedToWindow() { super.onAttachedToWindow(); mViewName = getResources().getResourceName(getId()); } public String getName() { return mViewName; } public void setExpandedHeight(float height) { if (DEBUG) logf("setExpandedHeight(%.1f)", height); setExpandedHeightInternal(height + getOverExpansionPixels()); } @Override protected void onLayout (boolean changed, int left, int top, int right, int bottom) { super.onLayout(changed, left, top, right, bottom); mStatusBar.onPanelLaidOut(); requestPanelHeightUpdate(); mHasLayoutedSinceDown = true; if (mUpdateFlingOnLayout) { abortAnimations(); fling(mUpdateFlingVelocity, true /* expands */); mUpdateFlingOnLayout = false; } } protected void requestPanelHeightUpdate() { float currentMaxPanelHeight = getMaxPanelHeight(); if (isFullyCollapsed()) { return; } if (currentMaxPanelHeight == mExpandedHeight) { return; } if (mPeekAnimator != null || mPeekTouching) { return; } if (mTracking && !isTrackingBlocked()) { return; } if (mHeightAnimator != null) { mPanelUpdateWhenAnimatorEnds = true; return; } setExpandedHeight(currentMaxPanelHeight); } public void setExpandedHeightInternal(float h) { if (mExpandLatencyTracking && h != 0f) { DejankUtils.postAfterTraversal(() -> LatencyTracker.getInstance(mContext).onActionEnd( LatencyTracker.ACTION_EXPAND_PANEL)); mExpandLatencyTracking = false; } float fhWithoutOverExpansion = getMaxPanelHeight() - getOverExpansionAmount(); if (mHeightAnimator == null) { float overExpansionPixels = Math.max(0, h - fhWithoutOverExpansion); if (getOverExpansionPixels() != overExpansionPixels && mTracking) { setOverExpansion(overExpansionPixels, true /* isPixels */); } mExpandedHeight = Math.min(h, fhWithoutOverExpansion) + getOverExpansionAmount(); } else { mExpandedHeight = h; if (mOverExpandedBeforeFling) { setOverExpansion(Math.max(0, h - fhWithoutOverExpansion), false /* isPixels */); } } // If we are closing the panel and we are almost there due to a slow decelerating // interpolator, abort the animation. if (mExpandedHeight < 1f && mExpandedHeight != 0f && mClosing) { mExpandedHeight = 0f; if (mHeightAnimator != null) { mHeightAnimator.end(); } } mExpandedFraction = Math.min(1f, fhWithoutOverExpansion == 0 ? 0 : mExpandedHeight / fhWithoutOverExpansion); onHeightUpdated(mExpandedHeight); notifyBarPanelExpansionChanged(); } /** * @return true if the panel tracking should be temporarily blocked; this is used when a * conflicting gesture (opening QS) is happening */ protected abstract boolean isTrackingBlocked(); protected abstract void setOverExpansion(float overExpansion, boolean isPixels); protected abstract void onHeightUpdated(float expandedHeight); protected abstract float getOverExpansionAmount(); protected abstract float getOverExpansionPixels(); /** * This returns the maximum height of the panel. Children should override this if their * desired height is not the full height. * * @return the default implementation simply returns the maximum height. */ protected abstract int getMaxPanelHeight(); public void setExpandedFraction(float frac) { setExpandedHeight(getMaxPanelHeight() * frac); } public float getExpandedHeight() { return mExpandedHeight; } public float getExpandedFraction() { return mExpandedFraction; } public boolean isFullyExpanded() { return mExpandedHeight >= getMaxPanelHeight(); } public boolean isFullyCollapsed() { return mExpandedFraction <= 0.0f; } public boolean isCollapsing() { return mClosing; } public boolean isTracking() { return mTracking; } public void setBar(PanelBar panelBar) { mBar = panelBar; } public void collapse(boolean delayed, float speedUpFactor) { if (DEBUG) logf("collapse: " + this); if (canPanelBeCollapsed()) { cancelHeightAnimator(); notifyExpandingStarted(); // Set after notifyExpandingStarted, as notifyExpandingStarted resets the closing state. mClosing = true; if (delayed) { mNextCollapseSpeedUpFactor = speedUpFactor; postDelayed(mFlingCollapseRunnable, 120); } else { fling(0, false /* expand */, speedUpFactor, false /* expandBecauseOfFalsing */); } } } public boolean canPanelBeCollapsed() { return !isFullyCollapsed() && !mTracking && !mClosing; } private final Runnable mFlingCollapseRunnable = new Runnable() { @Override public void run() { fling(0, false /* expand */, mNextCollapseSpeedUpFactor, false /* expandBecauseOfFalsing */); } }; public void cancelPeek() { boolean cancelled = false; if (mPeekAnimator != null) { cancelled = true; mPeekAnimator.cancel(); } if (cancelled) { // When peeking, we already tell mBar that we expanded ourselves. Make sure that we also // notify mBar that we might have closed ourselves. notifyBarPanelExpansionChanged(); } } public void expand(final boolean animate) { if (!isFullyCollapsed() && !isCollapsing()) { return; } mInstantExpanding = true; mAnimateAfterExpanding = animate; mUpdateFlingOnLayout = false; abortAnimations(); cancelPeek(); if (mTracking) { onTrackingStopped(true /* expands */); // The panel is expanded after this call. } if (mExpanding) { notifyExpandingFinished(); } notifyBarPanelExpansionChanged(); // Wait for window manager to pickup the change, so we know the maximum height of the panel // then. getViewTreeObserver().addOnGlobalLayoutListener( new ViewTreeObserver.OnGlobalLayoutListener() { @Override public void onGlobalLayout() { if (!mInstantExpanding) { getViewTreeObserver().removeOnGlobalLayoutListener(this); return; } if (mStatusBar.getStatusBarWindow().getHeight() != mStatusBar.getStatusBarHeight()) { getViewTreeObserver().removeOnGlobalLayoutListener(this); if (mAnimateAfterExpanding) { notifyExpandingStarted(); fling(0, true /* expand */); } else { setExpandedFraction(1f); } mInstantExpanding = false; } } }); // Make sure a layout really happens. requestLayout(); } public void instantCollapse() { abortAnimations(); setExpandedFraction(0f); if (mExpanding) { notifyExpandingFinished(); } if (mInstantExpanding) { mInstantExpanding = false; notifyBarPanelExpansionChanged(); } } private void abortAnimations() { cancelPeek(); cancelHeightAnimator(); removeCallbacks(mPostCollapseRunnable); removeCallbacks(mFlingCollapseRunnable); } protected void onClosingFinished() { mBar.onClosingFinished(); } protected void startUnlockHintAnimation() { // We don't need to hint the user if an animation is already running or the user is changing // the expansion. if (mHeightAnimator != null || mTracking) { return; } cancelPeek(); notifyExpandingStarted(); startUnlockHintAnimationPhase1(new Runnable() { @Override public void run() { notifyExpandingFinished(); onUnlockHintFinished(); mHintAnimationRunning = false; } }); onUnlockHintStarted(); mHintAnimationRunning = true; } protected void onUnlockHintFinished() { mStatusBar.onHintFinished(); } protected void onUnlockHintStarted() { mStatusBar.onUnlockHintStarted(); } /** * Phase 1: Move everything upwards. */ private void startUnlockHintAnimationPhase1(final Runnable onAnimationFinished) { float target = Math.max(0, getMaxPanelHeight() - mHintDistance); ValueAnimator animator = createHeightAnimator(target); animator.setDuration(250); animator.setInterpolator(Interpolators.FAST_OUT_SLOW_IN); animator.addListener(new AnimatorListenerAdapter() { private boolean mCancelled; @Override public void onAnimationCancel(Animator animation) { mCancelled = true; } @Override public void onAnimationEnd(Animator animation) { if (mCancelled) { setAnimator(null); onAnimationFinished.run(); } else { startUnlockHintAnimationPhase2(onAnimationFinished); } } }); animator.start(); setAnimator(animator); mKeyguardBottomArea.getIndicationArea().animate() .translationY(-mHintDistance) .setDuration(250) .setInterpolator(Interpolators.FAST_OUT_SLOW_IN) .withEndAction(new Runnable() { @Override public void run() { mKeyguardBottomArea.getIndicationArea().animate() .translationY(0) .setDuration(450) .setInterpolator(mBounceInterpolator) .start(); } }) .start(); } private void setAnimator(ValueAnimator animator) { mHeightAnimator = animator; if (animator == null && mPanelUpdateWhenAnimatorEnds) { mPanelUpdateWhenAnimatorEnds = false; requestPanelHeightUpdate(); } } /** * Phase 2: Bounce down. */ private void startUnlockHintAnimationPhase2(final Runnable onAnimationFinished) { ValueAnimator animator = createHeightAnimator(getMaxPanelHeight()); animator.setDuration(450); animator.setInterpolator(mBounceInterpolator); animator.addListener(new AnimatorListenerAdapter() { @Override public void onAnimationEnd(Animator animation) { setAnimator(null); onAnimationFinished.run(); notifyBarPanelExpansionChanged(); } }); animator.start(); setAnimator(animator); } private ValueAnimator createHeightAnimator(float targetHeight) { ValueAnimator animator = ValueAnimator.ofFloat(mExpandedHeight, targetHeight); animator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() { @Override public void onAnimationUpdate(ValueAnimator animation) { setExpandedHeightInternal((Float) animation.getAnimatedValue()); } }); return animator; } protected void notifyBarPanelExpansionChanged() { mBar.panelExpansionChanged(mExpandedFraction, mExpandedFraction > 0f || mPeekAnimator != null || mInstantExpanding || isPanelVisibleBecauseOfHeadsUp() || mTracking || mHeightAnimator != null); } protected abstract boolean isPanelVisibleBecauseOfHeadsUp(); /** * Gets called when the user performs a click anywhere in the empty area of the panel. * * @return whether the panel will be expanded after the action performed by this method */ protected boolean onEmptySpaceClick(float x) { if (mHintAnimationRunning) { return true; } return onMiddleClicked(); } protected final Runnable mPostCollapseRunnable = new Runnable() { @Override public void run() { collapse(false /* delayed */, 1.0f /* speedUpFactor */); } }; protected abstract boolean onMiddleClicked(); protected abstract boolean isDozing(); public void dump(FileDescriptor fd, PrintWriter pw, String[] args) { pw.println(String.format("[PanelView(%s): expandedHeight=%f maxPanelHeight=%d closing=%s" + " tracking=%s justPeeked=%s peekAnim=%s%s timeAnim=%s%s touchDisabled=%s" + "]", this.getClass().getSimpleName(), getExpandedHeight(), getMaxPanelHeight(), mClosing?"T":"f", mTracking?"T":"f", mJustPeeked?"T":"f", mPeekAnimator, ((mPeekAnimator!=null && mPeekAnimator.isStarted())?" (started)":""), mHeightAnimator, ((mHeightAnimator !=null && mHeightAnimator.isStarted())?" (started)":""), mTouchDisabled?"T":"f" )); } public abstract void resetViews(); protected abstract float getPeekHeight(); /** * @return whether "Clear all" button will be visible when the panel is fully expanded */ protected abstract boolean fullyExpandedClearAllVisible(); protected abstract boolean isClearAllVisible(); /** * @return the height of the clear all button, in pixels */ protected abstract int getClearAllHeight(); public void setHeadsUpManager(HeadsUpManager headsUpManager) { mHeadsUpManager = headsUpManager; } }