blob: de0f31d3cf5939e5cc076100d552f13429b3b809 [file] [log] [blame]
/*
* 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.statusbar.phone;
import static com.android.internal.jank.InteractionJankMonitor.CUJ_NOTIFICATION_SHADE_EXPAND_COLLAPSE;
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 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.SystemClock;
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.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.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.LockscreenGestureLogger.LockscreenUiEvent;
import com.android.systemui.statusbar.policy.KeyguardStateController;
import com.android.wm.shell.animation.FlingAnimationUtils;
import java.io.FileDescriptor;
import java.io.PrintWriter;
import java.util.ArrayList;
public abstract class PanelViewController {
public static final boolean DEBUG = PanelBar.DEBUG;
public static final String TAG = PanelView.class.getSimpleName();
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 LockscreenGestureLogger mLockscreenGestureLogger = new LockscreenGestureLogger();
private boolean mPanelUpdateWhenAnimatorEnds;
private boolean mVibrateOnOpening;
protected boolean mIsLaunchAnimationRunning;
private int mFixedDuration = NO_FIXED_DURATION;
protected ArrayList<PanelExpansionListener> mExpansionListeners = new ArrayList<>();
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 void logf(String fmt, Object... args) {
Log.v(TAG, (mViewName != null ? (mViewName + ": ") : "") + String.format(fmt, args));
}
protected StatusBar mStatusBar;
protected HeadsUpManagerPhone mHeadsUpManager;
protected final StatusBarTouchableRegionManager mStatusBarTouchableRegionManager;
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 mClosing;
protected boolean mTracking;
private boolean mTouchSlopExceeded;
private int mTrackingPointer;
private int mTouchSlop;
private float mSlopMultiplier;
protected boolean mHintAnimationRunning;
private boolean mOverExpandedBeforeFling;
private boolean mTouchAboveFalsingThreshold;
private int mUnlockFalsingThreshold;
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 FlingAnimationUtils mFlingAnimationUtils;
private FlingAnimationUtils mFlingAnimationUtilsClosing;
private 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;
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;
private final PanelView mView;
private final StatusBarKeyguardViewManager mStatusBarKeyguardViewManager;
protected final Resources mResources;
protected final KeyguardStateController mKeyguardStateController;
protected final SysuiStatusBarStateController mStatusBarStateController;
protected final AmbientState mAmbientState;
protected void onExpandingFinished() {
mBar.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(PanelView view,
FalsingManager falsingManager, DozeLog dozeLog,
KeyguardStateController keyguardStateController,
SysuiStatusBarStateController statusBarStateController, VibratorHelper vibratorHelper,
StatusBarKeyguardViewManager statusBarKeyguardViewManager,
LatencyTracker latencyTracker,
FlingAnimationUtils.Builder flingAnimationUtilsBuilder,
StatusBarTouchableRegionManager statusBarTouchableRegionManager,
AmbientState ambientState) {
mAmbientState = ambientState;
mView = view;
mStatusBarKeyguardViewManager = statusBarKeyguardViewManager;
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(createTouchHandler());
mView.setOnConfigurationChangedListener(createOnConfigurationChangedListener());
mResources = mView.getResources();
mKeyguardStateController = keyguardStateController;
mStatusBarStateController = statusBarStateController;
mFlingAnimationUtils = flingAnimationUtilsBuilder
.reset()
.setMaxLengthSeconds(0.6f)
.setSpeedUpFactor(0.6f)
.build();
mFlingAnimationUtilsClosing = flingAnimationUtilsBuilder
.reset()
.setMaxLengthSeconds(0.5f)
.setSpeedUpFactor(0.6f)
.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;
}
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);
mUnlockFalsingThreshold = mResources.getDimensionPixelSize(
R.dimen.unlock_falsing_threshold);
}
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) {
notifyBarPanelExpansionChanged();
maybeVibrateOnOpening();
//TODO: keyguard opens QS a different way; log that too?
// Log the position of the swipe that opened the panel
float width = mStatusBar.getDisplayWidth();
float height = mStatusBar.getDisplayHeight();
int rot = mStatusBar.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);
}
protected void maybeVibrateOnOpening() {
if (mVibrateOnOpening) {
mVibratorHelper.vibrate(VibrationEffect.EFFECT_TICK);
}
}
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 startExpandMotion(float newX, float newY, boolean startTracking,
float expandedHeight) {
if (!mHandlingPointerUp) {
beginJankMonitoring(CUJ_NOTIFICATION_SHADE_EXPAND_COLLAPSE);
}
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) {
mVelocityTracker.computeCurrentVelocity(1000);
float vel = mVelocityTracker.getYVelocity();
float vectorVel = (float) Math.hypot(
mVelocityTracker.getXVelocity(), mVelocityTracker.getYVelocity());
final boolean onKeyguard =
mStatusBarStateController.getState() == StatusBarState.KEYGUARD;
final boolean expand;
if (event.getActionMasked() == MotionEvent.ACTION_CANCEL || forceCancel) {
// If we get a cancel, put the shade back to the state it was in when the gesture
// started
if (onKeyguard) {
expand = true;
} else {
expand = !mPanelClosedOnDown;
}
} else {
expand = flingExpands(vel, vectorVel, x, y);
}
mDozeLog.traceFling(expand, mTouchAboveFalsingThreshold,
mStatusBar.isFalsingThresholdNeeded(), mStatusBar.isWakeUpComingFromTouch());
// Log collapse gesture if on lock screen.
if (!expand && onKeyguard) {
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);
mLockscreenGestureLogger.log(LockscreenUiEvent.LOCKSCREEN_UNLOCK);
}
@Classifier.InteractionType int interactionType = vel == 0 ? GENERIC
: vel > 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 (!mStatusBar.isBouncerShowing()
&& !mStatusBarKeyguardViewManager.isShowingAlternateAuthOrAnimating()) {
boolean expands = onEmptySpaceClick(mInitialTouchX);
onTrackingStopped(expands);
}
mVelocityTracker.clear();
}
protected float getCurrentExpandVelocity() {
mVelocityTracker.computeCurrentVelocity(1000);
return mVelocityTracker.getYVelocity();
}
private int getFalsingThreshold() {
float factor = mStatusBar.isWakeUpComingFromTouch() ? 1.5f : 1.0f;
return (int) (mUnlockFalsingThreshold * factor);
}
protected abstract boolean shouldGestureWaitForTouchSlop();
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();
}
/**
* @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();
}
}
protected boolean canCollapsePanelOnTouch() {
return true;
}
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 = vel > 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 (!mStatusBar.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) {
mClosing = 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
endJankMonitoring(CUJ_NOTIFICATION_SHADE_EXPAND_COLLAPSE);
mKeyguardStateController.notifyPanelFlingEnd();
notifyExpandingFinished();
return;
}
mIsFlinging = true;
// we want to perform an overshoot animation when flinging open
final boolean addOverscroll = expand
&& 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) {
beginJankMonitoring(CUJ_NOTIFICATION_SHADE_EXPAND_COLLAPSE);
}
@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();
}
private void onFlingEnd(boolean cancelled) {
mIsFlinging = false;
// No overshoot when the animation ends
setOverExpansionInternal(0, false /* isFromGesture */);
setAnimator(null);
mKeyguardStateController.notifyPanelFlingEnd();
if (!cancelled) {
endJankMonitoring(CUJ_NOTIFICATION_SHADE_EXPAND_COLLAPSE);
notifyExpandingFinished();
} else {
cancelJankMonitoring(CUJ_NOTIFICATION_SHADE_EXPAND_COLLAPSE);
}
notifyBarPanelExpansionChanged();
}
protected abstract boolean shouldUseDismissingAnimation();
public String getName() {
return mViewName;
}
public void setExpandedHeight(float height) {
if (DEBUG) logf("setExpandedHeight(%.1f)", height);
setExpandedHeightInternal(height);
}
protected void requestPanelHeightUpdate() {
float currentMaxPanelHeight = getMaxPanelHeight();
if (isFullyCollapsed()) {
return;
}
if (currentMaxPanelHeight == mExpandedHeight) {
return;
}
if (mTracking && !isTrackingBlocked()) {
return;
}
if (mHeightAnimator != null && !mIsSpringBackAnimation) {
mPanelUpdateWhenAnimatorEnds = true;
return;
}
setExpandedHeight(currentMaxPanelHeight);
}
private float getStackHeightFraction(float height) {
final float gestureFraction = height / getMaxPanelHeight();
final float stackHeightFraction = Interpolators.ACCELERATE_DECELERATE
.getInterpolation(gestureFraction);
return stackHeightFraction;
}
public void setExpandedHeightInternal(float h) {
if (isNaN(h)) {
Log.wtf(TAG, "ExpandedHeight set to NaN");
}
if (mExpandLatencyTracking && h != 0f) {
DejankUtils.postAfterTraversal(
() -> mLatencyTracker.onActionEnd(LatencyTracker.ACTION_EXPAND_PANEL));
mExpandLatencyTracking = false;
}
float maxPanelHeight = getMaxPanelHeight();
if (mHeightAnimator == null) {
if (mTracking) {
float overExpansionPixels = Math.max(0, h - maxPanelHeight);
setOverExpansionInternal(overExpansionPixels, true /* isFromGesture */);
}
mExpandedHeight = Math.min(h, maxPanelHeight);
} else {
mExpandedHeight = h;
}
// 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,
maxPanelHeight == 0 ? 0 : mExpandedHeight / maxPanelHeight);
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 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(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 || mIsLaunchAnimationRunning;
}
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;
mView.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 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();
}
notifyBarPanelExpansionChanged();
// 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 (mStatusBar.getNotificationShadeWindowView().isVisibleToUser()) {
mView.getViewTreeObserver().removeOnGlobalLayoutListener(this);
if (mAnimateAfterExpanding) {
notifyExpandingStarted();
beginJankMonitoring(CUJ_NOTIFICATION_SHADE_EXPAND_COLLAPSE);
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;
notifyBarPanelExpansionChanged();
}
}
private void abortAnimations() {
cancelHeightAnimator();
mView.removeCallbacks(mPostCollapseRunnable);
mView.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;
}
notifyExpandingStarted();
startUnlockHintAnimationPhase1(() -> {
notifyExpandingFinished();
onUnlockHintFinished();
mHintAnimationRunning = false;
});
onUnlockHintStarted();
mHintAnimationRunning = true;
}
protected void onUnlockHintFinished() {
mStatusBar.onHintFinished();
}
protected void onUnlockHintStarted() {
mStatusBar.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);
View[] viewsToAnimate = {
mKeyguardBottomArea.getIndicationArea(),
mStatusBar.getAmbientIndicationContainer()};
for (View v : viewsToAnimate) {
if (v == null) {
continue;
}
v.animate().translationY(-mHintDistance).setDuration(250).setInterpolator(
Interpolators.FAST_OUT_SLOW_IN).withEndAction(() -> v.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) {
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;
}
protected void notifyBarPanelExpansionChanged() {
if (mBar != null) {
mBar.panelExpansionChanged(
mExpandedFraction,
mExpandedFraction > 0f || mInstantExpanding
|| isPanelVisibleBecauseOfHeadsUp() || mTracking
|| mHeightAnimator != null && !mIsSpringBackAnimation);
}
for (int i = 0; i < mExpansionListeners.size(); i++) {
mExpansionListeners.get(i).onPanelExpansionChanged(mExpandedFraction, mTracking);
}
}
public void addExpansionListener(PanelExpansionListener panelExpansionListener) {
mExpansionListeners.add(panelExpansionListener);
}
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 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 abstract void resetViews(boolean animate);
public void setHeadsUpManager(HeadsUpManagerPhone headsUpManager) {
mHeadsUpManager = headsUpManager;
}
public void setIsLaunchAnimationRunning(boolean running) {
mIsLaunchAnimationRunning = running;
}
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;
}
public boolean isEnabled() {
return mView.isEnabled();
}
public OnLayoutChangeListener createLayoutChangeListener() {
return new OnLayoutChangeListener();
}
protected TouchHandler createTouchHandler() {
return new TouchHandler();
}
protected OnConfigurationChangedListener createOnConfigurationChangedListener() {
return new OnConfigurationChangedListener();
}
/**
* Set that the panel is currently opening and not fully opened or closed.
*/
public abstract void setIsShadeOpening(boolean opening);
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:
mStatusBar.userActivity();
mAnimatingOnDown = mHeightAnimator != null && !mIsSpringBackAnimation;
mMinExpandHeight = 0.0f;
mDownTime = SystemClock.uptimeMillis();
if (mAnimatingOnDown && mClosing && !mHintAnimationRunning) {
cancelHeightAnimator();
mTouchSlopExceeded = true;
return true;
}
mInitialTouchY = y;
mInitialTouchX = 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);
mInitialTouchX = event.getX(newIndex);
mInitialTouchY = 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 - mInitialTouchY;
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 - mInitialTouchX)) {
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 || (mTouchDisabled
&& event.getActionMasked() != MotionEvent.ACTION_CANCEL) || (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.
*
* 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 = isFullyCollapsed() || shouldGestureIgnoreXTouchSlop(x, y);
}
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 = SystemClock.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()
&& !mStatusBar.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);
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) > getTouchSlop(event)
&& (Math.abs(h) > Math.abs(x - mInitialTouchX)
|| 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()) {
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(CUJ_NOTIFICATION_SHADE_EXPAND_COLLAPSE);
} else {
cancelJankMonitoring(CUJ_NOTIFICATION_SHADE_EXPAND_COLLAPSE);
}
}
break;
}
return !mGestureWaitForTouchSlop || mTracking;
}
}
public 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) {
requestPanelHeightUpdate();
mHasLayoutedSinceDown = true;
if (mUpdateFlingOnLayout) {
abortAnimations();
fling(mUpdateFlingVelocity, true /* expands */);
mUpdateFlingOnLayout = false;
}
}
}
public class OnConfigurationChangedListener implements
PanelView.OnConfigurationChangedListener {
@Override
public void onConfigurationChanged(Configuration newConfig) {
loadDimens();
}
}
private void beginJankMonitoring(int cuj) {
InteractionJankMonitor.Configuration.Builder builder =
new InteractionJankMonitor.Configuration.Builder(cuj)
.setView(mView)
.setTag(isFullyCollapsed() ? "Expand" : "Collapse");
InteractionJankMonitor.getInstance().begin(builder);
}
private void endJankMonitoring(int cuj) {
InteractionJankMonitor.getInstance().end(cuj);
}
private void cancelJankMonitoring(int cuj) {
InteractionJankMonitor.getInstance().cancel(cuj);
}
}