| /* |
| * Copyright (C) 2019 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.shade; |
| |
| import static android.view.View.INVISIBLE; |
| import static android.view.View.VISIBLE; |
| |
| import static com.android.systemui.classifier.Classifier.BOUNCER_UNLOCK; |
| import static com.android.systemui.classifier.Classifier.GENERIC; |
| import static com.android.systemui.classifier.Classifier.QUICK_SETTINGS; |
| import static com.android.systemui.classifier.Classifier.UNLOCK; |
| import static com.android.systemui.shade.NotificationPanelView.DEBUG; |
| |
| import static java.lang.Float.isNaN; |
| |
| import android.animation.Animator; |
| import android.animation.AnimatorListenerAdapter; |
| import android.animation.ValueAnimator; |
| import android.content.res.Configuration; |
| import android.content.res.Resources; |
| import android.os.VibrationEffect; |
| import android.util.Log; |
| import android.util.MathUtils; |
| import android.view.InputDevice; |
| import android.view.MotionEvent; |
| import android.view.VelocityTracker; |
| import android.view.View; |
| import android.view.ViewConfiguration; |
| import android.view.ViewGroup; |
| import android.view.ViewPropertyAnimator; |
| import android.view.ViewTreeObserver; |
| import android.view.animation.Interpolator; |
| |
| import com.android.internal.jank.InteractionJankMonitor; |
| import com.android.internal.logging.nano.MetricsProto.MetricsEvent; |
| import com.android.internal.util.LatencyTracker; |
| import com.android.systemui.DejankUtils; |
| import com.android.systemui.R; |
| import com.android.systemui.animation.Interpolators; |
| import com.android.systemui.classifier.Classifier; |
| import com.android.systemui.doze.DozeLog; |
| import com.android.systemui.plugins.FalsingManager; |
| import com.android.systemui.statusbar.NotificationShadeWindowController; |
| import com.android.systemui.statusbar.StatusBarState; |
| import com.android.systemui.statusbar.SysuiStatusBarStateController; |
| import com.android.systemui.statusbar.VibratorHelper; |
| import com.android.systemui.statusbar.notification.stack.AmbientState; |
| import com.android.systemui.statusbar.phone.BounceInterpolator; |
| import com.android.systemui.statusbar.phone.CentralSurfaces; |
| import com.android.systemui.statusbar.phone.HeadsUpManagerPhone; |
| import com.android.systemui.statusbar.phone.KeyguardBottomAreaView; |
| import com.android.systemui.statusbar.phone.LockscreenGestureLogger; |
| import com.android.systemui.statusbar.phone.LockscreenGestureLogger.LockscreenUiEvent; |
| import com.android.systemui.statusbar.phone.StatusBarKeyguardViewManager; |
| import com.android.systemui.statusbar.phone.StatusBarTouchableRegionManager; |
| import com.android.systemui.statusbar.phone.panelstate.PanelExpansionStateManager; |
| import com.android.systemui.statusbar.policy.KeyguardStateController; |
| import com.android.systemui.util.time.SystemClock; |
| import com.android.wm.shell.animation.FlingAnimationUtils; |
| |
| import java.io.PrintWriter; |
| import java.util.List; |
| |
| public abstract class PanelViewController { |
| public static final String TAG = NotificationPanelView.class.getSimpleName(); |
| public static final float FLING_MAX_LENGTH_SECONDS = 0.6f; |
| public static final float FLING_SPEED_UP_FACTOR = 0.6f; |
| public static final float FLING_CLOSING_MAX_LENGTH_SECONDS = 0.6f; |
| public static final float FLING_CLOSING_SPEED_UP_FACTOR = 0.6f; |
| private static final int NO_FIXED_DURATION = -1; |
| private static final long SHADE_OPEN_SPRING_OUT_DURATION = 350L; |
| private static final long SHADE_OPEN_SPRING_BACK_DURATION = 400L; |
| |
| /** |
| * The factor of the usual high velocity that is needed in order to reach the maximum overshoot |
| * when flinging. A low value will make it that most flings will reach the maximum overshoot. |
| */ |
| private static final float FACTOR_OF_HIGH_VELOCITY_FOR_MAX_OVERSHOOT = 0.5f; |
| |
| protected long mDownTime; |
| protected boolean mTouchSlopExceededBeforeDown; |
| private float mMinExpandHeight; |
| private boolean mPanelUpdateWhenAnimatorEnds; |
| private final boolean mVibrateOnOpening; |
| private boolean mHasVibratedOnOpen = false; |
| protected boolean mIsLaunchAnimationRunning; |
| private int mFixedDuration = NO_FIXED_DURATION; |
| protected float mOverExpansion; |
| |
| /** |
| * The overshoot amount when the panel flings open |
| */ |
| private float mPanelFlingOvershootAmount; |
| |
| /** |
| * The amount of pixels that we have overexpanded the last time with a gesture |
| */ |
| private float mLastGesturedOverExpansion = -1; |
| |
| /** |
| * Is the current animator the spring back animation? |
| */ |
| private boolean mIsSpringBackAnimation; |
| |
| private boolean mInSplitShade; |
| |
| private void logf(String fmt, Object... args) { |
| Log.v(TAG, (mViewName != null ? (mViewName + ": ") : "") + String.format(fmt, args)); |
| } |
| |
| protected CentralSurfaces mCentralSurfaces; |
| protected HeadsUpManagerPhone mHeadsUpManager; |
| protected final StatusBarTouchableRegionManager mStatusBarTouchableRegionManager; |
| |
| private float mHintDistance; |
| private float mInitialOffsetOnTouch; |
| private boolean mCollapsedAndHeadsUpOnDown; |
| private float mExpandedFraction = 0; |
| private float mExpansionDragDownAmountPx = 0; |
| protected float mExpandedHeight = 0; |
| private boolean mPanelClosedOnDown; |
| private boolean mHasLayoutedSinceDown; |
| private float mUpdateFlingVelocity; |
| private boolean mUpdateFlingOnLayout; |
| private boolean mClosing; |
| protected boolean mTracking; |
| private boolean mTouchSlopExceeded; |
| private int mTrackingPointer; |
| private int mTouchSlop; |
| private float mSlopMultiplier; |
| protected boolean mHintAnimationRunning; |
| private boolean mTouchAboveFalsingThreshold; |
| private boolean mTouchStartedInEmptyArea; |
| private boolean mMotionAborted; |
| private boolean mUpwardsWhenThresholdReached; |
| private boolean mAnimatingOnDown; |
| private boolean mHandlingPointerUp; |
| |
| private ValueAnimator mHeightAnimator; |
| private final VelocityTracker mVelocityTracker = VelocityTracker.obtain(); |
| private final FlingAnimationUtils mFlingAnimationUtils; |
| private final FlingAnimationUtils mFlingAnimationUtilsClosing; |
| private final FlingAnimationUtils mFlingAnimationUtilsDismissing; |
| private final LatencyTracker mLatencyTracker; |
| private final FalsingManager mFalsingManager; |
| private final DozeLog mDozeLog; |
| private final VibratorHelper mVibratorHelper; |
| |
| /** |
| * Whether an instant expand request is currently pending and we are just waiting for layout. |
| */ |
| private boolean mInstantExpanding; |
| private boolean mAnimateAfterExpanding; |
| private boolean mIsFlinging; |
| |
| private String mViewName; |
| private float mInitialExpandY; |
| private float mInitialExpandX; |
| private boolean mTouchDisabled; |
| private boolean mInitialTouchFromKeyguard; |
| |
| /** |
| * Whether or not the NotificationPanelView can be expanded or collapsed with a drag. |
| */ |
| private final boolean mNotificationsDragEnabled; |
| |
| private final 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; |
| private final NotificationPanelView mView; |
| private final StatusBarKeyguardViewManager mStatusBarKeyguardViewManager; |
| private final NotificationShadeWindowController mNotificationShadeWindowController; |
| protected final Resources mResources; |
| protected final KeyguardStateController mKeyguardStateController; |
| protected final SysuiStatusBarStateController mStatusBarStateController; |
| protected final AmbientState mAmbientState; |
| protected final LockscreenGestureLogger mLockscreenGestureLogger; |
| private final PanelExpansionStateManager mPanelExpansionStateManager; |
| private final InteractionJankMonitor mInteractionJankMonitor; |
| protected final SystemClock mSystemClock; |
| |
| protected final ShadeLogger mShadeLog; |
| |
| protected abstract void onExpandingFinished(); |
| |
| protected void onExpandingStarted() { |
| } |
| |
| protected void notifyExpandingStarted() { |
| if (!mExpanding) { |
| mExpanding = true; |
| onExpandingStarted(); |
| } |
| } |
| |
| protected final void notifyExpandingFinished() { |
| endClosing(); |
| if (mExpanding) { |
| mExpanding = false; |
| onExpandingFinished(); |
| } |
| } |
| |
| protected AmbientState getAmbientState() { |
| return mAmbientState; |
| } |
| |
| public PanelViewController( |
| NotificationPanelView view, |
| FalsingManager falsingManager, |
| DozeLog dozeLog, |
| KeyguardStateController keyguardStateController, |
| SysuiStatusBarStateController statusBarStateController, |
| NotificationShadeWindowController notificationShadeWindowController, |
| VibratorHelper vibratorHelper, |
| StatusBarKeyguardViewManager statusBarKeyguardViewManager, |
| LatencyTracker latencyTracker, |
| FlingAnimationUtils.Builder flingAnimationUtilsBuilder, |
| StatusBarTouchableRegionManager statusBarTouchableRegionManager, |
| LockscreenGestureLogger lockscreenGestureLogger, |
| PanelExpansionStateManager panelExpansionStateManager, |
| AmbientState ambientState, |
| InteractionJankMonitor interactionJankMonitor, |
| ShadeLogger shadeLogger, |
| SystemClock systemClock) { |
| keyguardStateController.addCallback(new KeyguardStateController.Callback() { |
| @Override |
| public void onKeyguardFadingAwayChanged() { |
| updateExpandedHeightToMaxHeight(); |
| } |
| }); |
| mAmbientState = ambientState; |
| mView = view; |
| mStatusBarKeyguardViewManager = statusBarKeyguardViewManager; |
| mLockscreenGestureLogger = lockscreenGestureLogger; |
| mPanelExpansionStateManager = panelExpansionStateManager; |
| mShadeLog = shadeLogger; |
| TouchHandler touchHandler = createTouchHandler(); |
| mView.addOnAttachStateChangeListener(new View.OnAttachStateChangeListener() { |
| @Override |
| public void onViewAttachedToWindow(View v) { |
| mViewName = mResources.getResourceName(mView.getId()); |
| } |
| |
| @Override |
| public void onViewDetachedFromWindow(View v) { |
| } |
| }); |
| |
| mView.addOnLayoutChangeListener(createLayoutChangeListener()); |
| mView.setOnTouchListener(touchHandler); |
| mView.setOnConfigurationChangedListener(createOnConfigurationChangedListener()); |
| |
| mResources = mView.getResources(); |
| mKeyguardStateController = keyguardStateController; |
| mStatusBarStateController = statusBarStateController; |
| mNotificationShadeWindowController = notificationShadeWindowController; |
| mFlingAnimationUtils = flingAnimationUtilsBuilder |
| .reset() |
| .setMaxLengthSeconds(FLING_MAX_LENGTH_SECONDS) |
| .setSpeedUpFactor(FLING_SPEED_UP_FACTOR) |
| .build(); |
| mFlingAnimationUtilsClosing = flingAnimationUtilsBuilder |
| .reset() |
| .setMaxLengthSeconds(FLING_CLOSING_MAX_LENGTH_SECONDS) |
| .setSpeedUpFactor(FLING_CLOSING_SPEED_UP_FACTOR) |
| .build(); |
| mFlingAnimationUtilsDismissing = flingAnimationUtilsBuilder |
| .reset() |
| .setMaxLengthSeconds(0.5f) |
| .setSpeedUpFactor(0.6f) |
| .setX2(0.6f) |
| .setY2(0.84f) |
| .build(); |
| mLatencyTracker = latencyTracker; |
| mBounceInterpolator = new BounceInterpolator(); |
| mFalsingManager = falsingManager; |
| mDozeLog = dozeLog; |
| mNotificationsDragEnabled = mResources.getBoolean( |
| R.bool.config_enableNotificationShadeDrag); |
| mVibratorHelper = vibratorHelper; |
| mVibrateOnOpening = mResources.getBoolean(R.bool.config_vibrateOnIconAnimation); |
| mStatusBarTouchableRegionManager = statusBarTouchableRegionManager; |
| mInteractionJankMonitor = interactionJankMonitor; |
| mSystemClock = systemClock; |
| } |
| |
| protected void loadDimens() { |
| final ViewConfiguration configuration = ViewConfiguration.get(mView.getContext()); |
| mTouchSlop = configuration.getScaledTouchSlop(); |
| mSlopMultiplier = configuration.getScaledAmbiguousGestureMultiplier(); |
| mHintDistance = mResources.getDimension(R.dimen.hint_move_distance); |
| mPanelFlingOvershootAmount = mResources.getDimension(R.dimen.panel_overshoot_amount); |
| mInSplitShade = mResources.getBoolean(R.bool.config_use_split_notification_shade); |
| } |
| |
| protected float getTouchSlop(MotionEvent event) { |
| // Adjust the touch slop if another gesture may be being performed. |
| return event.getClassification() == MotionEvent.CLASSIFICATION_AMBIGUOUS_GESTURE |
| ? mTouchSlop * mSlopMultiplier |
| : mTouchSlop; |
| } |
| |
| private void addMovement(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); |
| mVelocityTracker.addMovement(event); |
| event.offsetLocation(-deltaX, -deltaY); |
| } |
| |
| public void setTouchAndAnimationDisabled(boolean disabled) { |
| mTouchDisabled = disabled; |
| if (mTouchDisabled) { |
| cancelHeightAnimator(); |
| if (mTracking) { |
| onTrackingStopped(true /* expanded */); |
| } |
| notifyExpandingFinished(); |
| } |
| } |
| |
| public void startExpandLatencyTracking() { |
| if (mLatencyTracker.isEnabled()) { |
| mLatencyTracker.onActionStart(LatencyTracker.ACTION_EXPAND_PANEL); |
| mExpandLatencyTracking = true; |
| } |
| } |
| |
| private void startOpening(MotionEvent event) { |
| updatePanelExpansionAndVisibility(); |
| // Reset at start so haptic can be triggered as soon as panel starts to open. |
| mHasVibratedOnOpen = false; |
| //TODO: keyguard opens QS a different way; log that too? |
| |
| // Log the position of the swipe that opened the panel |
| float width = mCentralSurfaces.getDisplayWidth(); |
| float height = mCentralSurfaces.getDisplayHeight(); |
| int rot = mCentralSurfaces.getRotation(); |
| |
| mLockscreenGestureLogger.writeAtFractionalPosition(MetricsEvent.ACTION_PANEL_VIEW_EXPAND, |
| (int) (event.getX() / width * 100), (int) (event.getY() / height * 100), rot); |
| mLockscreenGestureLogger |
| .log(LockscreenUiEvent.LOCKSCREEN_UNLOCKED_NOTIFICATION_PANEL_EXPAND); |
| } |
| |
| /** |
| * Maybe vibrate as panel is opened. |
| * |
| * @param openingWithTouch Whether the panel is being opened with touch. If the panel is instead |
| * being opened programmatically (such as by the open panel gesture), we always play haptic. |
| */ |
| protected void maybeVibrateOnOpening(boolean openingWithTouch) { |
| if (mVibrateOnOpening) { |
| if (!openingWithTouch || !mHasVibratedOnOpen) { |
| mVibratorHelper.vibrate(VibrationEffect.EFFECT_TICK); |
| mHasVibratedOnOpen = true; |
| } |
| } |
| } |
| |
| 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 - mInitialExpandX; |
| float yDiff = y - mInitialExpandY; |
| if (yDiff >= 0) { |
| return false; |
| } |
| return Math.abs(yDiff) >= Math.abs(xDiff); |
| } |
| |
| public void startExpandMotion(float newX, float newY, boolean startTracking, |
| float expandedHeight) { |
| if (!mHandlingPointerUp && !mStatusBarStateController.isDozing()) { |
| beginJankMonitoring(); |
| } |
| mInitialOffsetOnTouch = expandedHeight; |
| mInitialExpandY = newY; |
| mInitialExpandX = newX; |
| mInitialTouchFromKeyguard = mKeyguardStateController.isShowing(); |
| if (startTracking) { |
| mTouchSlopExceeded = true; |
| setExpandedHeight(mInitialOffsetOnTouch); |
| onTrackingStarted(); |
| } |
| } |
| |
| private void endMotionEvent(MotionEvent event, float x, float y, boolean forceCancel) { |
| mTrackingPointer = -1; |
| mAmbientState.setSwipingUp(false); |
| if ((mTracking && mTouchSlopExceeded) || Math.abs(x - mInitialExpandX) > mTouchSlop |
| || Math.abs(y - mInitialExpandY) > mTouchSlop |
| || event.getActionMasked() == MotionEvent.ACTION_CANCEL || forceCancel) { |
| mVelocityTracker.computeCurrentVelocity(1000); |
| float vel = mVelocityTracker.getYVelocity(); |
| float vectorVel = (float) Math.hypot( |
| mVelocityTracker.getXVelocity(), mVelocityTracker.getYVelocity()); |
| |
| final boolean onKeyguard = mKeyguardStateController.isShowing(); |
| final boolean expand; |
| if (mKeyguardStateController.isKeyguardFadingAway() |
| || (mInitialTouchFromKeyguard && !onKeyguard)) { |
| // Don't expand for any touches that started from the keyguard and ended after the |
| // keyguard is gone. |
| expand = false; |
| } else if (event.getActionMasked() == MotionEvent.ACTION_CANCEL || forceCancel) { |
| if (onKeyguard) { |
| expand = true; |
| } else if (mCentralSurfaces.isBouncerShowingOverDream()) { |
| expand = false; |
| } else { |
| // If we get a cancel, put the shade back to the state it was in when the |
| // gesture started |
| expand = !mPanelClosedOnDown; |
| } |
| } else { |
| expand = flingExpands(vel, vectorVel, x, y); |
| } |
| |
| mDozeLog.traceFling(expand, mTouchAboveFalsingThreshold, |
| mCentralSurfaces.isFalsingThresholdNeeded(), |
| mCentralSurfaces.isWakeUpComingFromTouch()); |
| // Log collapse gesture if on lock screen. |
| if (!expand && onKeyguard) { |
| float displayDensity = mCentralSurfaces.getDisplayDensity(); |
| int heightDp = (int) Math.abs((y - mInitialExpandY) / displayDensity); |
| int velocityDp = (int) Math.abs(vel / displayDensity); |
| mLockscreenGestureLogger.write(MetricsEvent.ACTION_LS_UNLOCK, heightDp, velocityDp); |
| mLockscreenGestureLogger.log(LockscreenUiEvent.LOCKSCREEN_UNLOCK); |
| } |
| @Classifier.InteractionType int interactionType = vel == 0 ? GENERIC |
| : y - mInitialExpandY > 0 ? QUICK_SETTINGS |
| : (mKeyguardStateController.canDismissLockScreen() |
| ? UNLOCK : BOUNCER_UNLOCK); |
| |
| fling(vel, expand, isFalseTouch(x, y, interactionType)); |
| onTrackingStopped(expand); |
| mUpdateFlingOnLayout = expand && mPanelClosedOnDown && !mHasLayoutedSinceDown; |
| if (mUpdateFlingOnLayout) { |
| mUpdateFlingVelocity = vel; |
| } |
| } else if (!mCentralSurfaces.isBouncerShowing() |
| && !mStatusBarKeyguardViewManager.isShowingAlternateAuthOrAnimating() |
| && !mKeyguardStateController.isKeyguardGoingAway()) { |
| boolean expands = onEmptySpaceClick(); |
| onTrackingStopped(expands); |
| } |
| mVelocityTracker.clear(); |
| } |
| |
| protected float getCurrentExpandVelocity() { |
| mVelocityTracker.computeCurrentVelocity(1000); |
| return mVelocityTracker.getYVelocity(); |
| } |
| |
| protected abstract int getFalsingThreshold(); |
| |
| protected abstract boolean shouldGestureWaitForTouchSlop(); |
| |
| protected void onTrackingStopped(boolean expand) { |
| mTracking = false; |
| mCentralSurfaces.onTrackingStopped(expand); |
| updatePanelExpansionAndVisibility(); |
| } |
| |
| protected void onTrackingStarted() { |
| endClosing(); |
| mTracking = true; |
| mCentralSurfaces.onTrackingStarted(); |
| notifyExpandingStarted(); |
| updatePanelExpansionAndVisibility(); |
| } |
| |
| /** |
| * @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) { |
| setIsClosing(false); |
| onClosingFinished(); |
| } |
| } |
| |
| protected abstract boolean canCollapsePanelOnTouch(); |
| |
| protected float getContentHeight() { |
| return mExpandedHeight; |
| } |
| |
| /** |
| * @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 (mFalsingManager.isUnlockingDisabled()) { |
| return true; |
| } |
| |
| @Classifier.InteractionType int interactionType = y - mInitialExpandY > 0 |
| ? QUICK_SETTINGS : ( |
| mKeyguardStateController.canDismissLockScreen() ? UNLOCK : BOUNCER_UNLOCK); |
| |
| if (isFalseTouch(x, y, interactionType)) { |
| return true; |
| } |
| if (Math.abs(vectorVel) < mFlingAnimationUtils.getMinVelocityPxPerSecond()) { |
| return shouldExpandWhenNotFlinging(); |
| } else { |
| return vel > 0; |
| } |
| } |
| |
| protected boolean shouldExpandWhenNotFlinging() { |
| return getExpandedFraction() > 0.5f; |
| } |
| |
| /** |
| * @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, |
| @Classifier.InteractionType int interactionType) { |
| if (!mCentralSurfaces.isFalsingThresholdNeeded()) { |
| return false; |
| } |
| if (mFalsingManager.isClassifierEnabled()) { |
| return mFalsingManager.isFalseTouch(interactionType); |
| } |
| if (!mTouchAboveFalsingThreshold) { |
| return true; |
| } |
| if (mUpwardsWhenThresholdReached) { |
| 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) { |
| float target = expand ? getMaxPanelHeight() : 0; |
| if (!expand) { |
| setIsClosing(true); |
| } |
| flingToHeight(vel, expand, target, collapseSpeedUpFactor, expandBecauseOfFalsing); |
| } |
| |
| protected void flingToHeight(float vel, boolean expand, float target, |
| float collapseSpeedUpFactor, boolean expandBecauseOfFalsing) { |
| if (target == mExpandedHeight && mOverExpansion == 0.0f) { |
| // We're at the target and didn't fling and there's no overshoot |
| onFlingEnd(false /* cancelled */); |
| return; |
| } |
| mIsFlinging = true; |
| // we want to perform an overshoot animation when flinging open |
| final boolean addOverscroll = |
| expand |
| && !mInSplitShade // Split shade has its own overscroll logic |
| && mStatusBarStateController.getState() != StatusBarState.KEYGUARD |
| && mOverExpansion == 0.0f |
| && vel >= 0; |
| final boolean shouldSpringBack = addOverscroll || (mOverExpansion != 0.0f && expand); |
| float overshootAmount = 0.0f; |
| if (addOverscroll) { |
| // Let's overshoot depending on the amount of velocity |
| overshootAmount = MathUtils.lerp( |
| 0.2f, |
| 1.0f, |
| MathUtils.saturate(vel |
| / (mFlingAnimationUtils.getHighVelocityPxPerSecond() |
| * FACTOR_OF_HIGH_VELOCITY_FOR_MAX_OVERSHOOT))); |
| overshootAmount += mOverExpansion / mPanelFlingOvershootAmount; |
| } |
| ValueAnimator animator = createHeightAnimator(target, overshootAmount); |
| if (expand) { |
| if (expandBecauseOfFalsing && vel < 0) { |
| vel = 0; |
| } |
| mFlingAnimationUtils.apply(animator, mExpandedHeight, |
| target + overshootAmount * mPanelFlingOvershootAmount, vel, mView.getHeight()); |
| if (vel == 0) { |
| animator.setDuration(SHADE_OPEN_SPRING_OUT_DURATION); |
| } |
| } else { |
| if (shouldUseDismissingAnimation()) { |
| if (vel == 0) { |
| animator.setInterpolator(Interpolators.PANEL_CLOSE_ACCELERATED); |
| long duration = (long) (200 + mExpandedHeight / mView.getHeight() * 100); |
| animator.setDuration(duration); |
| } else { |
| mFlingAnimationUtilsDismissing.apply(animator, mExpandedHeight, target, vel, |
| mView.getHeight()); |
| } |
| } else { |
| mFlingAnimationUtilsClosing.apply( |
| animator, mExpandedHeight, target, vel, mView.getHeight()); |
| } |
| |
| // Make it shorter if we run a canned animation |
| if (vel == 0) { |
| animator.setDuration((long) (animator.getDuration() / collapseSpeedUpFactor)); |
| } |
| if (mFixedDuration != NO_FIXED_DURATION) { |
| animator.setDuration(mFixedDuration); |
| } |
| } |
| animator.addListener(new AnimatorListenerAdapter() { |
| private boolean mCancelled; |
| |
| @Override |
| public void onAnimationStart(Animator animation) { |
| if (!mStatusBarStateController.isDozing()) { |
| beginJankMonitoring(); |
| } |
| } |
| |
| @Override |
| public void onAnimationCancel(Animator animation) { |
| mCancelled = true; |
| } |
| |
| @Override |
| public void onAnimationEnd(Animator animation) { |
| if (shouldSpringBack && !mCancelled) { |
| // After the shade is flinged open to an overscrolled state, spring back |
| // the shade by reducing section padding to 0. |
| springBack(); |
| } else { |
| onFlingEnd(mCancelled); |
| } |
| } |
| }); |
| setAnimator(animator); |
| animator.start(); |
| } |
| |
| private void springBack() { |
| if (mOverExpansion == 0) { |
| onFlingEnd(false /* cancelled */); |
| return; |
| } |
| mIsSpringBackAnimation = true; |
| ValueAnimator animator = ValueAnimator.ofFloat(mOverExpansion, 0); |
| animator.addUpdateListener( |
| animation -> setOverExpansionInternal((float) animation.getAnimatedValue(), |
| false /* isFromGesture */)); |
| animator.setDuration(SHADE_OPEN_SPRING_BACK_DURATION); |
| 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) { |
| mIsSpringBackAnimation = false; |
| onFlingEnd(mCancelled); |
| } |
| }); |
| setAnimator(animator); |
| animator.start(); |
| } |
| |
| protected void onFlingEnd(boolean cancelled) { |
| mIsFlinging = false; |
| // No overshoot when the animation ends |
| setOverExpansionInternal(0, false /* isFromGesture */); |
| setAnimator(null); |
| mKeyguardStateController.notifyPanelFlingEnd(); |
| if (!cancelled) { |
| endJankMonitoring(); |
| notifyExpandingFinished(); |
| } else { |
| cancelJankMonitoring(); |
| } |
| updatePanelExpansionAndVisibility(); |
| } |
| |
| protected abstract boolean shouldUseDismissingAnimation(); |
| |
| public String getName() { |
| return mViewName; |
| } |
| |
| public void setExpandedHeight(float height) { |
| if (DEBUG) logf("setExpandedHeight(%.1f)", height); |
| setExpandedHeightInternal(height); |
| } |
| |
| void updateExpandedHeightToMaxHeight() { |
| float currentMaxPanelHeight = getMaxPanelHeight(); |
| |
| if (isFullyCollapsed()) { |
| return; |
| } |
| |
| if (currentMaxPanelHeight == mExpandedHeight) { |
| return; |
| } |
| |
| if (mTracking && !isTrackingBlocked()) { |
| return; |
| } |
| |
| if (mHeightAnimator != null && !mIsSpringBackAnimation) { |
| mPanelUpdateWhenAnimatorEnds = true; |
| return; |
| } |
| |
| setExpandedHeight(currentMaxPanelHeight); |
| } |
| |
| /** |
| * Returns drag down distance after which panel should be fully expanded. Usually it's the |
| * same as max panel height but for large screen devices (especially split shade) we might |
| * want to return different value to shorten drag distance |
| */ |
| public abstract int getMaxPanelTransitionDistance(); |
| |
| public void setExpandedHeightInternal(float h) { |
| if (isNaN(h)) { |
| Log.wtf(TAG, "ExpandedHeight set to NaN"); |
| } |
| mNotificationShadeWindowController.batchApplyWindowLayoutParams(()-> { |
| if (mExpandLatencyTracking && h != 0f) { |
| DejankUtils.postAfterTraversal( |
| () -> mLatencyTracker.onActionEnd(LatencyTracker.ACTION_EXPAND_PANEL)); |
| mExpandLatencyTracking = false; |
| } |
| float maxPanelHeight = getMaxPanelTransitionDistance(); |
| if (mHeightAnimator == null) { |
| // Split shade has its own overscroll logic |
| if (mTracking && !mInSplitShade) { |
| float overExpansionPixels = Math.max(0, h - maxPanelHeight); |
| setOverExpansionInternal(overExpansionPixels, true /* isFromGesture */); |
| } |
| } |
| mExpandedHeight = Math.min(h, maxPanelHeight); |
| // 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(); |
| } |
| } |
| mExpansionDragDownAmountPx = h; |
| mExpandedFraction = Math.min(1f, |
| maxPanelHeight == 0 ? 0 : mExpandedHeight / maxPanelHeight); |
| mAmbientState.setExpansionFraction(mExpandedFraction); |
| onHeightUpdated(mExpandedHeight); |
| updatePanelExpansionAndVisibility(); |
| }); |
| } |
| |
| /** |
| * @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 void setOverExpansion(float overExpansion) { |
| mOverExpansion = overExpansion; |
| } |
| |
| /** |
| * Set the current overexpansion |
| * |
| * @param overExpansion the amount of overexpansion to apply |
| * @param isFromGesture is this amount from a gesture and needs to be rubberBanded? |
| */ |
| private void setOverExpansionInternal(float overExpansion, boolean isFromGesture) { |
| if (!isFromGesture) { |
| mLastGesturedOverExpansion = -1; |
| setOverExpansion(overExpansion); |
| } else if (mLastGesturedOverExpansion != overExpansion) { |
| mLastGesturedOverExpansion = overExpansion; |
| final float heightForFullOvershoot = mView.getHeight() / 3.0f; |
| float newExpansion = MathUtils.saturate(overExpansion / heightForFullOvershoot); |
| newExpansion = Interpolators.getOvershootInterpolation(newExpansion); |
| setOverExpansion(newExpansion * mPanelFlingOvershootAmount * 2.0f); |
| } |
| } |
| |
| protected abstract void onHeightUpdated(float expandedHeight); |
| |
| /** |
| * 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(getMaxPanelTransitionDistance() * 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 || mIsLaunchAnimationRunning; |
| } |
| |
| public boolean isFlinging() { |
| return mIsFlinging; |
| } |
| |
| public boolean isTracking() { |
| return mTracking; |
| } |
| |
| 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. |
| setIsClosing(true); |
| if (delayed) { |
| mNextCollapseSpeedUpFactor = speedUpFactor; |
| mView.postDelayed(mFlingCollapseRunnable, 120); |
| } else { |
| fling(0, false /* expand */, speedUpFactor, false /* expandBecauseOfFalsing */); |
| } |
| } |
| } |
| |
| public boolean canPanelBeCollapsed() { |
| return !isFullyCollapsed() && !mTracking && !mClosing; |
| } |
| |
| private final Runnable mFlingCollapseRunnable = () -> fling(0, false /* expand */, |
| mNextCollapseSpeedUpFactor, false /* expandBecauseOfFalsing */); |
| |
| public void expand(final boolean animate) { |
| if (!isFullyCollapsed() && !isCollapsing()) { |
| return; |
| } |
| |
| mInstantExpanding = true; |
| mAnimateAfterExpanding = animate; |
| mUpdateFlingOnLayout = false; |
| abortAnimations(); |
| if (mTracking) { |
| onTrackingStopped(true /* expands */); // The panel is expanded after this call. |
| } |
| if (mExpanding) { |
| notifyExpandingFinished(); |
| } |
| updatePanelExpansionAndVisibility(); |
| |
| // Wait for window manager to pickup the change, so we know the maximum height of the panel |
| // then. |
| mView.getViewTreeObserver().addOnGlobalLayoutListener( |
| new ViewTreeObserver.OnGlobalLayoutListener() { |
| @Override |
| public void onGlobalLayout() { |
| if (!mInstantExpanding) { |
| mView.getViewTreeObserver().removeOnGlobalLayoutListener(this); |
| return; |
| } |
| if (mCentralSurfaces.getNotificationShadeWindowView().isVisibleToUser()) { |
| mView.getViewTreeObserver().removeOnGlobalLayoutListener(this); |
| if (mAnimateAfterExpanding) { |
| notifyExpandingStarted(); |
| beginJankMonitoring(); |
| fling(0, true /* expand */); |
| } else { |
| setExpandedFraction(1f); |
| } |
| mInstantExpanding = false; |
| } |
| } |
| }); |
| |
| // Make sure a layout really happens. |
| mView.requestLayout(); |
| } |
| |
| public void instantCollapse() { |
| abortAnimations(); |
| setExpandedFraction(0f); |
| if (mExpanding) { |
| notifyExpandingFinished(); |
| } |
| if (mInstantExpanding) { |
| mInstantExpanding = false; |
| updatePanelExpansionAndVisibility(); |
| } |
| } |
| |
| private void abortAnimations() { |
| cancelHeightAnimator(); |
| mView.removeCallbacks(mFlingCollapseRunnable); |
| } |
| |
| protected abstract void 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; |
| } |
| notifyExpandingStarted(); |
| startUnlockHintAnimationPhase1(() -> { |
| notifyExpandingFinished(); |
| onUnlockHintFinished(); |
| mHintAnimationRunning = false; |
| }); |
| onUnlockHintStarted(); |
| mHintAnimationRunning = true; |
| } |
| |
| protected void onUnlockHintFinished() { |
| mCentralSurfaces.onHintFinished(); |
| } |
| |
| protected void onUnlockHintStarted() { |
| mCentralSurfaces.onUnlockHintStarted(); |
| } |
| |
| public boolean isUnlockHintRunning() { |
| return mHintAnimationRunning; |
| } |
| |
| /** |
| * 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); |
| |
| final List<ViewPropertyAnimator> indicationAnimators = |
| mKeyguardBottomArea.getIndicationAreaAnimators(); |
| for (final ViewPropertyAnimator indicationAreaAnimator : indicationAnimators) { |
| indicationAreaAnimator |
| .translationY(-mHintDistance) |
| .setDuration(250) |
| .setInterpolator(Interpolators.FAST_OUT_SLOW_IN) |
| .withEndAction(() -> indicationAreaAnimator |
| .translationY(0) |
| .setDuration(450) |
| .setInterpolator(mBounceInterpolator) |
| .start()) |
| .start(); |
| } |
| } |
| |
| private void setAnimator(ValueAnimator animator) { |
| mHeightAnimator = animator; |
| if (animator == null && mPanelUpdateWhenAnimatorEnds) { |
| mPanelUpdateWhenAnimatorEnds = false; |
| updateExpandedHeightToMaxHeight(); |
| } |
| } |
| |
| /** |
| * 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(); |
| updatePanelExpansionAndVisibility(); |
| } |
| }); |
| animator.start(); |
| setAnimator(animator); |
| } |
| |
| private ValueAnimator createHeightAnimator(float targetHeight) { |
| return createHeightAnimator(targetHeight, 0.0f /* performOvershoot */); |
| } |
| |
| /** |
| * Create an animator that can also overshoot |
| * |
| * @param targetHeight the target height |
| * @param overshootAmount the amount of overshoot desired |
| */ |
| private ValueAnimator createHeightAnimator(float targetHeight, float overshootAmount) { |
| float startExpansion = mOverExpansion; |
| ValueAnimator animator = ValueAnimator.ofFloat(mExpandedHeight, targetHeight); |
| animator.addUpdateListener( |
| animation -> { |
| if (overshootAmount > 0.0f |
| // Also remove the overExpansion when collapsing |
| || (targetHeight == 0.0f && startExpansion != 0)) { |
| final float expansion = MathUtils.lerp( |
| startExpansion, |
| mPanelFlingOvershootAmount * overshootAmount, |
| Interpolators.FAST_OUT_SLOW_IN.getInterpolation( |
| animator.getAnimatedFraction())); |
| setOverExpansionInternal(expansion, false /* isFromGesture */); |
| } |
| setExpandedHeightInternal((float) animation.getAnimatedValue()); |
| }); |
| return animator; |
| } |
| |
| /** Update the visibility of {@link NotificationPanelView} if necessary. */ |
| public void updateVisibility() { |
| mView.setVisibility(shouldPanelBeVisible() ? VISIBLE : INVISIBLE); |
| } |
| |
| /** Returns true if {@link NotificationPanelView} should be visible. */ |
| abstract protected boolean shouldPanelBeVisible(); |
| |
| /** |
| * Updates the panel expansion and {@link NotificationPanelView} visibility if necessary. |
| * |
| * TODO(b/200063118): Could public calls to this method be replaced with calls to |
| * {@link #updateVisibility()}? That would allow us to make this method private. |
| */ |
| public void updatePanelExpansionAndVisibility() { |
| mPanelExpansionStateManager.onPanelExpansionChanged( |
| mExpandedFraction, isExpanded(), mTracking, mExpansionDragDownAmountPx); |
| updateVisibility(); |
| } |
| |
| public boolean isExpanded() { |
| return mExpandedFraction > 0f |
| || mInstantExpanding |
| || isPanelVisibleBecauseOfHeadsUp() |
| || mTracking |
| || mHeightAnimator != null |
| && !mIsSpringBackAnimation; |
| } |
| |
| 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() { |
| if (mHintAnimationRunning) { |
| return true; |
| } |
| return onMiddleClicked(); |
| } |
| |
| protected abstract boolean onMiddleClicked(); |
| |
| protected abstract boolean isDozing(); |
| |
| public void dump(PrintWriter pw, String[] args) { |
| pw.println(String.format("[PanelView(%s): expandedHeight=%f maxPanelHeight=%d closing=%s" |
| + " tracking=%s timeAnim=%s%s " |
| + "touchDisabled=%s" + "]", |
| this.getClass().getSimpleName(), getExpandedHeight(), getMaxPanelHeight(), |
| mClosing ? "T" : "f", mTracking ? "T" : "f", mHeightAnimator, |
| ((mHeightAnimator != null && mHeightAnimator.isStarted()) ? " (started)" : ""), |
| mTouchDisabled ? "T" : "f")); |
| } |
| |
| public void setHeadsUpManager(HeadsUpManagerPhone headsUpManager) { |
| mHeadsUpManager = headsUpManager; |
| } |
| |
| public void setIsLaunchAnimationRunning(boolean running) { |
| mIsLaunchAnimationRunning = running; |
| } |
| |
| protected void setIsClosing(boolean isClosing) { |
| mClosing = isClosing; |
| } |
| |
| protected boolean isClosing() { |
| return mClosing; |
| } |
| |
| public void collapseWithDuration(int animationDuration) { |
| mFixedDuration = animationDuration; |
| collapse(false /* delayed */, 1.0f /* speedUpFactor */); |
| mFixedDuration = NO_FIXED_DURATION; |
| } |
| |
| public ViewGroup getView() { |
| // TODO: remove this method, or at least reduce references to it. |
| return mView; |
| } |
| |
| protected abstract OnLayoutChangeListener createLayoutChangeListener(); |
| |
| protected abstract TouchHandler createTouchHandler(); |
| |
| protected OnConfigurationChangedListener createOnConfigurationChangedListener() { |
| return new OnConfigurationChangedListener(); |
| } |
| |
| public class TouchHandler implements View.OnTouchListener { |
| |
| 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 canCollapsePanelOnTouch() 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 canCollapsePanel = canCollapsePanelOnTouch(); |
| |
| switch (event.getActionMasked()) { |
| case MotionEvent.ACTION_DOWN: |
| mCentralSurfaces.userActivity(); |
| mAnimatingOnDown = mHeightAnimator != null && !mIsSpringBackAnimation; |
| mMinExpandHeight = 0.0f; |
| mDownTime = mSystemClock.uptimeMillis(); |
| if (mAnimatingOnDown && mClosing && !mHintAnimationRunning) { |
| cancelHeightAnimator(); |
| mTouchSlopExceeded = true; |
| return true; |
| } |
| mInitialExpandY = y; |
| mInitialExpandX = x; |
| mTouchStartedInEmptyArea = !isInContentBounds(x, y); |
| mTouchSlopExceeded = mTouchSlopExceededBeforeDown; |
| mMotionAborted = false; |
| mPanelClosedOnDown = isFullyCollapsed(); |
| mCollapsedAndHeadsUpOnDown = false; |
| mHasLayoutedSinceDown = false; |
| mUpdateFlingOnLayout = false; |
| mTouchAboveFalsingThreshold = false; |
| addMovement(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); |
| mInitialExpandX = event.getX(newIndex); |
| mInitialExpandY = event.getY(newIndex); |
| } |
| break; |
| case MotionEvent.ACTION_POINTER_DOWN: |
| if (mStatusBarStateController.getState() == StatusBarState.KEYGUARD) { |
| mMotionAborted = true; |
| mVelocityTracker.clear(); |
| } |
| break; |
| case MotionEvent.ACTION_MOVE: |
| final float h = y - mInitialExpandY; |
| addMovement(event); |
| final boolean openShadeWithoutHun = |
| mPanelClosedOnDown && !mCollapsedAndHeadsUpOnDown; |
| if (canCollapsePanel || mTouchStartedInEmptyArea || mAnimatingOnDown |
| || openShadeWithoutHun) { |
| float hAbs = Math.abs(h); |
| float touchSlop = getTouchSlop(event); |
| if ((h < -touchSlop |
| || ((openShadeWithoutHun || mAnimatingOnDown) && hAbs > touchSlop)) |
| && hAbs > Math.abs(x - mInitialExpandX)) { |
| cancelHeightAnimator(); |
| startExpandMotion(x, y, true /* startTracking */, mExpandedHeight); |
| return true; |
| } |
| } |
| break; |
| case MotionEvent.ACTION_CANCEL: |
| case MotionEvent.ACTION_UP: |
| mVelocityTracker.clear(); |
| break; |
| } |
| return false; |
| } |
| |
| @Override |
| public boolean onTouch(View v, MotionEvent event) { |
| if (mInstantExpanding) { |
| mShadeLog.logMotionEvent(event, "onTouch: touch ignored due to instant expanding"); |
| return false; |
| } |
| if (mTouchDisabled && event.getActionMasked() != MotionEvent.ACTION_CANCEL) { |
| mShadeLog.logMotionEvent(event, "onTouch: non-cancel action, touch disabled"); |
| return false; |
| } |
| if (mMotionAborted && event.getActionMasked() != MotionEvent.ACTION_DOWN) { |
| mShadeLog.logMotionEvent(event, "onTouch: non-down action, motion was aborted"); |
| 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 */); |
| } |
| mShadeLog.logMotionEvent(event, "onTouch: drag not enabled"); |
| 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. |
| * |
| * 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 = shouldGestureWaitForTouchSlop(); |
| mIgnoreXTouchSlop = true; |
| } |
| |
| switch (event.getActionMasked()) { |
| case MotionEvent.ACTION_DOWN: |
| startExpandMotion(x, y, false /* startTracking */, mExpandedHeight); |
| mMinExpandHeight = 0.0f; |
| mPanelClosedOnDown = isFullyCollapsed(); |
| mHasLayoutedSinceDown = false; |
| mUpdateFlingOnLayout = false; |
| mMotionAborted = false; |
| mDownTime = mSystemClock.uptimeMillis(); |
| mTouchAboveFalsingThreshold = false; |
| mCollapsedAndHeadsUpOnDown = |
| isFullyCollapsed() && mHeadsUpManager.hasPinnedHeadsUp(); |
| addMovement(event); |
| boolean regularHeightAnimationRunning = mHeightAnimator != null |
| && !mHintAnimationRunning && !mIsSpringBackAnimation; |
| if (!mGestureWaitForTouchSlop || regularHeightAnimationRunning) { |
| mTouchSlopExceeded = regularHeightAnimationRunning |
| || mTouchSlopExceededBeforeDown; |
| cancelHeightAnimator(); |
| onTrackingStarted(); |
| } |
| if (isFullyCollapsed() && !mHeadsUpManager.hasPinnedHeadsUp() |
| && !mCentralSurfaces.isBouncerShowing()) { |
| startOpening(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; |
| final float newY = event.getY(newIndex); |
| final float newX = event.getX(newIndex); |
| mTrackingPointer = event.getPointerId(newIndex); |
| mHandlingPointerUp = true; |
| startExpandMotion(newX, newY, true /* startTracking */, mExpandedHeight); |
| mHandlingPointerUp = false; |
| } |
| break; |
| case MotionEvent.ACTION_POINTER_DOWN: |
| if (mStatusBarStateController.getState() == StatusBarState.KEYGUARD) { |
| mMotionAborted = true; |
| endMotionEvent(event, x, y, true /* forceCancel */); |
| return false; |
| } |
| break; |
| case MotionEvent.ACTION_MOVE: |
| addMovement(event); |
| if (!isFullyCollapsed()) { |
| maybeVibrateOnOpening(true /* openingWithTouch */); |
| } |
| float h = y - mInitialExpandY; |
| |
| // 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) > getTouchSlop(event) |
| && (Math.abs(h) > Math.abs(x - mInitialExpandX) |
| || mIgnoreXTouchSlop)) { |
| mTouchSlopExceeded = true; |
| if (mGestureWaitForTouchSlop && !mTracking && !mCollapsedAndHeadsUpOnDown) { |
| if (mInitialOffsetOnTouch != 0f) { |
| startExpandMotion(x, y, false /* startTracking */, mExpandedHeight); |
| h = 0; |
| } |
| cancelHeightAnimator(); |
| onTrackingStarted(); |
| } |
| } |
| float newHeight = Math.max(0, h + mInitialOffsetOnTouch); |
| newHeight = Math.max(newHeight, mMinExpandHeight); |
| if (-h >= getFalsingThreshold()) { |
| mTouchAboveFalsingThreshold = true; |
| mUpwardsWhenThresholdReached = isDirectionUpwards(x, y); |
| } |
| if ((!mGestureWaitForTouchSlop || mTracking) && !isTrackingBlocked()) { |
| // Count h==0 as part of swipe-up, |
| // otherwise {@link NotificationStackScrollLayout} |
| // wrongly enables stack height updates at the start of lockscreen swipe-up |
| mAmbientState.setSwipingUp(h <= 0); |
| setExpandedHeightInternal(newHeight); |
| } |
| break; |
| |
| case MotionEvent.ACTION_UP: |
| case MotionEvent.ACTION_CANCEL: |
| addMovement(event); |
| endMotionEvent(event, x, y, false /* forceCancel */); |
| // mHeightAnimator is null, there is no remaining frame, ends instrumenting. |
| if (mHeightAnimator == null) { |
| if (event.getActionMasked() == MotionEvent.ACTION_UP) { |
| endJankMonitoring(); |
| } else { |
| cancelJankMonitoring(); |
| } |
| } |
| break; |
| } |
| return !mGestureWaitForTouchSlop || mTracking; |
| } |
| } |
| |
| protected abstract class OnLayoutChangeListener implements View.OnLayoutChangeListener { |
| @Override |
| public void onLayoutChange(View v, int left, int top, int right, int bottom, int oldLeft, |
| int oldTop, int oldRight, int oldBottom) { |
| updateExpandedHeightToMaxHeight(); |
| mHasLayoutedSinceDown = true; |
| if (mUpdateFlingOnLayout) { |
| abortAnimations(); |
| fling(mUpdateFlingVelocity, true /* expands */); |
| mUpdateFlingOnLayout = false; |
| } |
| } |
| } |
| |
| public class OnConfigurationChangedListener implements |
| NotificationPanelView.OnConfigurationChangedListener { |
| @Override |
| public void onConfigurationChanged(Configuration newConfig) { |
| loadDimens(); |
| } |
| } |
| |
| private void beginJankMonitoring() { |
| if (mInteractionJankMonitor == null) { |
| return; |
| } |
| InteractionJankMonitor.Configuration.Builder builder = |
| InteractionJankMonitor.Configuration.Builder.withView( |
| InteractionJankMonitor.CUJ_NOTIFICATION_SHADE_EXPAND_COLLAPSE, |
| mView) |
| .setTag(isFullyCollapsed() ? "Expand" : "Collapse"); |
| mInteractionJankMonitor.begin(builder); |
| } |
| |
| private void endJankMonitoring() { |
| if (mInteractionJankMonitor == null) { |
| return; |
| } |
| InteractionJankMonitor.getInstance().end( |
| InteractionJankMonitor.CUJ_NOTIFICATION_SHADE_EXPAND_COLLAPSE); |
| } |
| |
| private void cancelJankMonitoring() { |
| if (mInteractionJankMonitor == null) { |
| return; |
| } |
| InteractionJankMonitor.getInstance().cancel( |
| InteractionJankMonitor.CUJ_NOTIFICATION_SHADE_EXPAND_COLLAPSE); |
| } |
| |
| protected float getExpansionFraction() { |
| return mExpandedFraction; |
| } |
| |
| protected PanelExpansionStateManager getPanelExpansionStateManager() { |
| return mPanelExpansionStateManager; |
| } |
| } |