| /* |
| * Copyright (C) 2014 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License |
| */ |
| |
| package com.android.systemui.statusbar.phone; |
| |
| import android.animation.Animator; |
| import android.animation.AnimatorListenerAdapter; |
| import android.animation.PropertyValuesHolder; |
| import android.animation.ValueAnimator; |
| import android.app.WallpaperManager; |
| import android.content.Context; |
| import android.graphics.Color; |
| import android.graphics.Rect; |
| import android.graphics.drawable.Drawable; |
| import android.util.MathUtils; |
| import android.view.View; |
| import android.view.ViewGroup; |
| import android.view.ViewTreeObserver; |
| import android.view.animation.DecelerateInterpolator; |
| import android.view.animation.Interpolator; |
| import android.view.animation.PathInterpolator; |
| |
| import com.android.keyguard.KeyguardUpdateMonitor; |
| import com.android.systemui.Dependency; |
| import com.android.systemui.R; |
| import com.android.systemui.colorextraction.SysuiColorExtractor; |
| import com.android.systemui.statusbar.ExpandableNotificationRow; |
| import com.android.systemui.statusbar.NotificationData; |
| import com.android.systemui.statusbar.ScrimView; |
| import com.android.systemui.statusbar.policy.OnHeadsUpChangedListener; |
| import com.android.systemui.statusbar.stack.ViewState; |
| |
| import com.google.android.colorextraction.ColorExtractor; |
| import com.google.android.colorextraction.ColorExtractor.OnColorsChangedListener; |
| |
| /** |
| * Controls both the scrim behind the notifications and in front of the notifications (when a |
| * security method gets shown). |
| */ |
| public class ScrimController implements ViewTreeObserver.OnPreDrawListener, |
| OnHeadsUpChangedListener, OnColorsChangedListener { |
| public static final long ANIMATION_DURATION = 220; |
| public static final Interpolator KEYGUARD_FADE_OUT_INTERPOLATOR |
| = new PathInterpolator(0f, 0, 0.7f, 1f); |
| public static final Interpolator KEYGUARD_FADE_OUT_INTERPOLATOR_LOCKED |
| = new PathInterpolator(0.3f, 0f, 0.8f, 1f); |
| // Default alpha value for most scrims, if unsure use this constant |
| public static final float GRADIENT_SCRIM_ALPHA = 0.60f; |
| // A scrim varies its opacity based on a busyness factor, for example |
| // how many notifications are currently visible. |
| public static final float GRADIENT_SCRIM_ALPHA_BUSY = 0.90f; |
| protected static final float SCRIM_BEHIND_ALPHA_KEYGUARD = GRADIENT_SCRIM_ALPHA; |
| protected static final float SCRIM_BEHIND_ALPHA_UNLOCKING = 0.2f; |
| private static final float SCRIM_IN_FRONT_ALPHA = GRADIENT_SCRIM_ALPHA; |
| private static final float SCRIM_IN_FRONT_ALPHA_LOCKED = GRADIENT_SCRIM_ALPHA; |
| private static final int TAG_KEY_ANIM = R.id.scrim; |
| private static final int TAG_KEY_ANIM_TARGET = R.id.scrim_target; |
| private static final int TAG_START_ALPHA = R.id.scrim_alpha_start; |
| private static final int TAG_END_ALPHA = R.id.scrim_alpha_end; |
| private static final float NOT_INITIALIZED = -1; |
| |
| private final LightBarController mLightBarController; |
| protected final ScrimView mScrimBehind; |
| protected final ScrimView mScrimInFront; |
| private final UnlockMethodCache mUnlockMethodCache; |
| private final View mHeadsUpScrim; |
| private final KeyguardUpdateMonitor mKeyguardUpdateMonitor; |
| |
| private final SysuiColorExtractor mColorExtractor; |
| private ColorExtractor.GradientColors mLockColors; |
| private ColorExtractor.GradientColors mLockColorsDark; |
| private ColorExtractor.GradientColors mSystemColors; |
| private ColorExtractor.GradientColors mSystemColorsDark; |
| private boolean mNeedsDrawableColorUpdate; |
| |
| protected float mScrimBehindAlpha; |
| protected float mScrimBehindAlphaKeyguard = SCRIM_BEHIND_ALPHA_KEYGUARD; |
| protected float mScrimBehindAlphaUnlocking = SCRIM_BEHIND_ALPHA_UNLOCKING; |
| |
| protected boolean mKeyguardShowing; |
| private float mFraction; |
| |
| private boolean mDarkenWhileDragging; |
| protected boolean mBouncerShowing; |
| protected boolean mBouncerIsKeyguard = false; |
| private boolean mWakeAndUnlocking; |
| protected boolean mAnimateChange; |
| private boolean mUpdatePending; |
| private boolean mTracking; |
| private boolean mAnimateKeyguardFadingOut; |
| protected long mDurationOverride = -1; |
| private long mAnimationDelay; |
| private Runnable mOnAnimationFinished; |
| private final Interpolator mInterpolator = new DecelerateInterpolator(); |
| private boolean mDozing; |
| private float mDozeInFrontAlpha; |
| private float mDozeBehindAlpha; |
| private float mCurrentInFrontAlpha = NOT_INITIALIZED; |
| private float mCurrentBehindAlpha = NOT_INITIALIZED; |
| private float mCurrentHeadsUpAlpha = NOT_INITIALIZED; |
| private int mPinnedHeadsUpCount; |
| private float mTopHeadsUpDragAmount; |
| private View mDraggedHeadsUpView; |
| private boolean mForceHideScrims; |
| private boolean mSkipFirstFrame; |
| private boolean mDontAnimateBouncerChanges; |
| private boolean mKeyguardFadingOutInProgress; |
| private boolean mAnimatingDozeUnlock; |
| private ValueAnimator mKeyguardFadeoutAnimation; |
| |
| public ScrimController(LightBarController lightBarController, ScrimView scrimBehind, |
| ScrimView scrimInFront, View headsUpScrim) { |
| mScrimBehind = scrimBehind; |
| mScrimInFront = scrimInFront; |
| mHeadsUpScrim = headsUpScrim; |
| final Context context = scrimBehind.getContext(); |
| mUnlockMethodCache = UnlockMethodCache.getInstance(context); |
| mKeyguardUpdateMonitor = KeyguardUpdateMonitor.getInstance(context); |
| mLightBarController = lightBarController; |
| mScrimBehindAlpha = context.getResources().getFloat(R.dimen.scrim_behind_alpha); |
| |
| mColorExtractor = Dependency.get(SysuiColorExtractor.class); |
| mColorExtractor.addOnColorsChangedListener(this); |
| mLockColors = mColorExtractor.getColors(WallpaperManager.FLAG_LOCK, |
| ColorExtractor.TYPE_NORMAL, true /* ignoreVisibility */); |
| mSystemColors = mColorExtractor.getColors(WallpaperManager.FLAG_SYSTEM, |
| ColorExtractor.TYPE_NORMAL, true /* ignoreVisibility */); |
| // Darker gradient for the top scrim (mScrimInFront) |
| mLockColorsDark = mColorExtractor.getColors(WallpaperManager.FLAG_LOCK, |
| ColorExtractor.TYPE_DARK, true /* ignoreVisibility */); |
| mSystemColorsDark = mColorExtractor.getColors(WallpaperManager.FLAG_SYSTEM, |
| ColorExtractor.TYPE_DARK, true /* ignoreVisibility */); |
| mNeedsDrawableColorUpdate = true; |
| |
| updateHeadsUpScrim(false); |
| updateScrims(); |
| } |
| |
| public void setKeyguardShowing(boolean showing) { |
| mKeyguardShowing = showing; |
| |
| // Showing/hiding the keyguard means that scrim colors have to be switched |
| mNeedsDrawableColorUpdate = true; |
| scheduleUpdate(); |
| } |
| |
| protected void setScrimBehindValues(float scrimBehindAlphaKeyguard, |
| float scrimBehindAlphaUnlocking) { |
| mScrimBehindAlphaKeyguard = scrimBehindAlphaKeyguard; |
| mScrimBehindAlphaUnlocking = scrimBehindAlphaUnlocking; |
| scheduleUpdate(); |
| } |
| |
| public void onTrackingStarted() { |
| mTracking = true; |
| mDarkenWhileDragging = !mUnlockMethodCache.canSkipBouncer(); |
| } |
| |
| public void onExpandingFinished() { |
| mTracking = false; |
| } |
| |
| public void setPanelExpansion(float fraction) { |
| if (mFraction != fraction) { |
| mFraction = fraction; |
| scheduleUpdate(); |
| if (mPinnedHeadsUpCount != 0) { |
| updateHeadsUpScrim(false); |
| } |
| if (mKeyguardFadeoutAnimation != null && mTracking) { |
| mKeyguardFadeoutAnimation.cancel(); |
| } |
| } |
| } |
| |
| public void setBouncerShowing(boolean showing) { |
| mBouncerShowing = showing; |
| mAnimateChange = !mTracking && !mDontAnimateBouncerChanges; |
| scheduleUpdate(); |
| } |
| |
| public void setWakeAndUnlocking() { |
| mWakeAndUnlocking = true; |
| mAnimatingDozeUnlock = true; |
| scheduleUpdate(); |
| } |
| |
| public void animateKeyguardFadingOut(long delay, long duration, Runnable onAnimationFinished, |
| boolean skipFirstFrame) { |
| mWakeAndUnlocking = false; |
| mAnimateKeyguardFadingOut = true; |
| mDurationOverride = duration; |
| mAnimationDelay = delay; |
| mAnimateChange = true; |
| mSkipFirstFrame = skipFirstFrame; |
| mOnAnimationFinished = onAnimationFinished; |
| |
| if (!mKeyguardUpdateMonitor.needsSlowUnlockTransition()) { |
| scheduleUpdate(); |
| |
| // No need to wait for the next frame to be drawn for this case - onPreDraw will execute |
| // the changes we just scheduled. |
| onPreDraw(); |
| } else { |
| |
| // In case the user isn't unlocked, make sure to delay a bit because the system is hosed |
| // with too many things in this case, in order to not skip the initial frames. |
| mScrimInFront.postOnAnimationDelayed(this::scheduleUpdate, 16); |
| } |
| } |
| |
| public void abortKeyguardFadingOut() { |
| if (mAnimateKeyguardFadingOut) { |
| endAnimateKeyguardFadingOut(true /* force */); |
| } |
| } |
| |
| public void animateKeyguardUnoccluding(long duration) { |
| mAnimateChange = false; |
| setScrimBehindAlpha(0f); |
| mAnimateChange = true; |
| scheduleUpdate(); |
| mDurationOverride = duration; |
| } |
| |
| public void animateGoingToFullShade(long delay, long duration) { |
| mDurationOverride = duration; |
| mAnimationDelay = delay; |
| mAnimateChange = true; |
| scheduleUpdate(); |
| } |
| |
| public void setDozing(boolean dozing) { |
| if (mDozing != dozing) { |
| mDozing = dozing; |
| scheduleUpdate(); |
| } |
| } |
| |
| public void setDozeInFrontAlpha(float alpha) { |
| mDozeInFrontAlpha = alpha; |
| updateScrimColor(mScrimInFront); |
| } |
| |
| public void setDozeBehindAlpha(float alpha) { |
| mDozeBehindAlpha = alpha; |
| updateScrimColor(mScrimBehind); |
| } |
| |
| public float getDozeBehindAlpha() { |
| return mDozeBehindAlpha; |
| } |
| |
| public float getDozeInFrontAlpha() { |
| return mDozeInFrontAlpha; |
| } |
| |
| public void setNotificationCount(int notificationCount) { |
| final float maxNotificationDensity = 3; |
| float notificationDensity = Math.min(notificationCount / maxNotificationDensity, 1f); |
| float newAlpha = MathUtils.map(0, 1, |
| GRADIENT_SCRIM_ALPHA, GRADIENT_SCRIM_ALPHA_BUSY, |
| notificationDensity); |
| if (mScrimBehindAlphaKeyguard != newAlpha) { |
| mScrimBehindAlphaKeyguard = newAlpha; |
| mAnimateChange = true; |
| scheduleUpdate(); |
| } |
| } |
| |
| private float getScrimInFrontAlpha() { |
| return mKeyguardUpdateMonitor.needsSlowUnlockTransition() |
| ? SCRIM_IN_FRONT_ALPHA_LOCKED |
| : SCRIM_IN_FRONT_ALPHA; |
| } |
| |
| /** |
| * Sets the given drawable as the background of the scrim that shows up behind the |
| * notifications. |
| */ |
| public void setScrimBehindDrawable(Drawable drawable) { |
| mScrimBehind.setDrawable(drawable); |
| } |
| |
| protected void scheduleUpdate() { |
| if (mUpdatePending) return; |
| |
| // Make sure that a frame gets scheduled. |
| mScrimBehind.invalidate(); |
| mScrimBehind.getViewTreeObserver().addOnPreDrawListener(this); |
| mUpdatePending = true; |
| } |
| |
| protected void updateScrims() { |
| |
| // Make sure we have the right gradients |
| if (mNeedsDrawableColorUpdate) { |
| mNeedsDrawableColorUpdate = false; |
| if (mKeyguardShowing) { |
| // Always animate color changes if we're seeing the keyguard |
| mScrimInFront.setColors(mLockColorsDark); |
| mScrimBehind.setColors(mLockColors); |
| } else { |
| // Only animate scrim color if the scrim view is actually visible |
| boolean animateScrimInFront = mScrimInFront.getViewAlpha() != 0; |
| boolean animateScrimBehind = mScrimBehind.getViewAlpha() != 0; |
| mScrimInFront.setColors(mSystemColorsDark, animateScrimInFront); |
| mScrimBehind.setColors(mSystemColors, animateScrimBehind); |
| } |
| } |
| |
| if (mAnimateKeyguardFadingOut || mForceHideScrims) { |
| setScrimInFrontAlpha(0f); |
| setScrimBehindAlpha(0f); |
| } else if (mWakeAndUnlocking) { |
| // During wake and unlock, we first hide everything behind a black scrim, which then |
| // gets faded out from animateKeyguardFadingOut. |
| if (mDozing) { |
| setScrimInFrontAlpha(0f); |
| setScrimBehindAlpha(1f); |
| } else { |
| setScrimInFrontAlpha(1f); |
| setScrimBehindAlpha(0f); |
| } |
| } else if (!mKeyguardShowing && !mBouncerShowing) { |
| updateScrimNormal(); |
| setScrimInFrontAlpha(0); |
| } else { |
| updateScrimKeyguard(); |
| } |
| mAnimateChange = false; |
| } |
| |
| private void updateScrimKeyguard() { |
| if (mTracking && mDarkenWhileDragging) { |
| float behindFraction = Math.max(0, Math.min(mFraction, 1)); |
| float fraction = 1 - behindFraction; |
| fraction = (float) Math.pow(fraction, 0.8f); |
| behindFraction = (float) Math.pow(behindFraction, 0.8f); |
| setScrimInFrontAlpha(fraction * getScrimInFrontAlpha()); |
| setScrimBehindAlpha(behindFraction * mScrimBehindAlphaKeyguard); |
| } else if (mBouncerShowing && !mBouncerIsKeyguard) { |
| setScrimInFrontAlpha(getScrimInFrontAlpha()); |
| updateScrimNormal(); |
| } else if (mBouncerShowing) { |
| setScrimInFrontAlpha(0f); |
| setScrimBehindAlpha(mScrimBehindAlpha); |
| } else { |
| float fraction = Math.max(0, Math.min(mFraction, 1)); |
| setScrimInFrontAlpha(0f); |
| setScrimBehindAlpha(fraction |
| * (mScrimBehindAlphaKeyguard - mScrimBehindAlphaUnlocking) |
| + mScrimBehindAlphaUnlocking); |
| } |
| } |
| |
| private void updateScrimNormal() { |
| float frac = mFraction; |
| // let's start this 20% of the way down the screen |
| frac = frac * 1.2f - 0.2f; |
| if (frac <= 0) { |
| setScrimBehindAlpha(0); |
| } else { |
| // woo, special effects |
| final float k = (float)(1f-0.5f*(1f-Math.cos(3.14159f * Math.pow(1f-frac, 2f)))); |
| setScrimBehindAlpha(k * mScrimBehindAlpha); |
| } |
| } |
| |
| private void setScrimBehindAlpha(float alpha) { |
| setScrimAlpha(mScrimBehind, alpha); |
| } |
| |
| private void setScrimInFrontAlpha(float alpha) { |
| setScrimAlpha(mScrimInFront, alpha); |
| if (alpha == 0f) { |
| mScrimInFront.setClickable(false); |
| } else { |
| // Eat touch events (unless dozing). |
| mScrimInFront.setClickable(!mDozing); |
| } |
| } |
| |
| private void setScrimAlpha(View scrim, float alpha) { |
| updateScrim(mAnimateChange, scrim, alpha, getCurrentScrimAlpha(scrim)); |
| } |
| |
| protected float getDozeAlpha(View scrim) { |
| return scrim == mScrimBehind ? mDozeBehindAlpha : mDozeInFrontAlpha; |
| } |
| |
| protected float getCurrentScrimAlpha(View scrim) { |
| return scrim == mScrimBehind ? mCurrentBehindAlpha |
| : scrim == mScrimInFront ? mCurrentInFrontAlpha |
| : mCurrentHeadsUpAlpha; |
| } |
| |
| private void setCurrentScrimAlpha(View scrim, float alpha) { |
| if (scrim == mScrimBehind) { |
| mCurrentBehindAlpha = alpha; |
| mLightBarController.setScrimAlpha(mCurrentBehindAlpha); |
| } else if (scrim == mScrimInFront) { |
| mCurrentInFrontAlpha = alpha; |
| } else { |
| alpha = Math.max(0.0f, Math.min(1.0f, alpha)); |
| mCurrentHeadsUpAlpha = alpha; |
| } |
| } |
| |
| private void updateScrimColor(View scrim) { |
| float alpha1 = getCurrentScrimAlpha(scrim); |
| if (scrim instanceof ScrimView) { |
| ScrimView scrimView = (ScrimView) scrim; |
| float dozeAlpha = getDozeAlpha(scrim); |
| float alpha = 1 - (1 - alpha1) * (1 - dozeAlpha); |
| alpha = Math.max(0, Math.min(1.0f, alpha)); |
| scrimView.setViewAlpha(alpha); |
| |
| int dozeTint = Color.TRANSPARENT; |
| if (mAnimatingDozeUnlock || mDozing) { |
| dozeTint = Color.BLACK; |
| } |
| scrimView.setTint(dozeTint); |
| } else { |
| scrim.setAlpha(alpha1); |
| } |
| } |
| |
| private void startScrimAnimation(final View scrim, float target) { |
| float current = getCurrentScrimAlpha(scrim); |
| ValueAnimator anim = ValueAnimator.ofFloat(current, target); |
| anim.addUpdateListener(animation -> { |
| float alpha = (float) animation.getAnimatedValue(); |
| setCurrentScrimAlpha(scrim, alpha); |
| updateScrimColor(scrim); |
| }); |
| anim.setInterpolator(getInterpolator()); |
| anim.setStartDelay(mAnimationDelay); |
| anim.setDuration(mDurationOverride != -1 ? mDurationOverride : ANIMATION_DURATION); |
| anim.addListener(new AnimatorListenerAdapter() { |
| @Override |
| public void onAnimationEnd(Animator animation) { |
| if (mOnAnimationFinished != null) { |
| mOnAnimationFinished.run(); |
| mOnAnimationFinished = null; |
| } |
| if (mKeyguardFadingOutInProgress) { |
| mKeyguardFadeoutAnimation = null; |
| mKeyguardFadingOutInProgress = false; |
| mAnimatingDozeUnlock = false; |
| } |
| scrim.setTag(TAG_KEY_ANIM, null); |
| scrim.setTag(TAG_KEY_ANIM_TARGET, null); |
| } |
| }); |
| anim.start(); |
| if (mAnimateKeyguardFadingOut) { |
| mKeyguardFadingOutInProgress = true; |
| mKeyguardFadeoutAnimation = anim; |
| } |
| if (mSkipFirstFrame) { |
| anim.setCurrentPlayTime(16); |
| } |
| scrim.setTag(TAG_KEY_ANIM, anim); |
| scrim.setTag(TAG_KEY_ANIM_TARGET, target); |
| } |
| |
| protected Interpolator getInterpolator() { |
| if (mAnimateKeyguardFadingOut && mKeyguardUpdateMonitor.needsSlowUnlockTransition()) { |
| return KEYGUARD_FADE_OUT_INTERPOLATOR_LOCKED; |
| } else if (mAnimateKeyguardFadingOut) { |
| return KEYGUARD_FADE_OUT_INTERPOLATOR; |
| } else { |
| return mInterpolator; |
| } |
| } |
| |
| @Override |
| public boolean onPreDraw() { |
| mScrimBehind.getViewTreeObserver().removeOnPreDrawListener(this); |
| mUpdatePending = false; |
| if (mDontAnimateBouncerChanges) { |
| mDontAnimateBouncerChanges = false; |
| } |
| updateScrims(); |
| mDurationOverride = -1; |
| mAnimationDelay = 0; |
| mSkipFirstFrame = false; |
| |
| // Make sure that we always call the listener even if we didn't start an animation. |
| endAnimateKeyguardFadingOut(false /* force */); |
| return true; |
| } |
| |
| private void endAnimateKeyguardFadingOut(boolean force) { |
| mAnimateKeyguardFadingOut = false; |
| if (force || (!isAnimating(mScrimInFront) && !isAnimating(mScrimBehind))) { |
| if (mOnAnimationFinished != null) { |
| mOnAnimationFinished.run(); |
| mOnAnimationFinished = null; |
| } |
| mKeyguardFadingOutInProgress = false; |
| if (!mWakeAndUnlocking || force) |
| mAnimatingDozeUnlock = false; |
| } |
| } |
| |
| private boolean isAnimating(View scrim) { |
| return scrim.getTag(TAG_KEY_ANIM) != null; |
| } |
| |
| public void setDrawBehindAsSrc(boolean asSrc) { |
| mScrimBehind.setDrawAsSrc(asSrc); |
| } |
| |
| @Override |
| public void onHeadsUpPinnedModeChanged(boolean inPinnedMode) { |
| } |
| |
| @Override |
| public void onHeadsUpPinned(ExpandableNotificationRow headsUp) { |
| mPinnedHeadsUpCount++; |
| updateHeadsUpScrim(true); |
| } |
| |
| @Override |
| public void onHeadsUpUnPinned(ExpandableNotificationRow headsUp) { |
| mPinnedHeadsUpCount--; |
| if (headsUp == mDraggedHeadsUpView) { |
| mDraggedHeadsUpView = null; |
| mTopHeadsUpDragAmount = 0.0f; |
| } |
| updateHeadsUpScrim(true); |
| } |
| |
| @Override |
| public void onHeadsUpStateChanged(NotificationData.Entry entry, boolean isHeadsUp) { |
| } |
| |
| private void updateHeadsUpScrim(boolean animate) { |
| updateScrim(animate, mHeadsUpScrim, calculateHeadsUpAlpha(), mCurrentHeadsUpAlpha); |
| } |
| |
| private void updateScrim(boolean animate, View scrim, float alpha, float currentAlpha) { |
| if (mKeyguardFadingOutInProgress && mKeyguardFadeoutAnimation.getCurrentPlayTime() != 0) { |
| return; |
| } |
| |
| ValueAnimator previousAnimator = ViewState.getChildTag(scrim, |
| TAG_KEY_ANIM); |
| float animEndValue = -1; |
| if (previousAnimator != null) { |
| if (animate || alpha == currentAlpha) { |
| previousAnimator.cancel(); |
| } else { |
| animEndValue = ViewState.getChildTag(scrim, TAG_END_ALPHA); |
| } |
| } |
| if (alpha != currentAlpha && alpha != animEndValue) { |
| if (animate) { |
| startScrimAnimation(scrim, alpha); |
| scrim.setTag(TAG_START_ALPHA, currentAlpha); |
| scrim.setTag(TAG_END_ALPHA, alpha); |
| } else { |
| if (previousAnimator != null) { |
| float previousStartValue = ViewState.getChildTag(scrim, TAG_START_ALPHA); |
| float previousEndValue = ViewState.getChildTag(scrim, TAG_END_ALPHA); |
| // we need to increase all animation keyframes of the previous animator by the |
| // relative change to the end value |
| PropertyValuesHolder[] values = previousAnimator.getValues(); |
| float relativeDiff = alpha - previousEndValue; |
| float newStartValue = previousStartValue + relativeDiff; |
| newStartValue = Math.max(0, Math.min(1.0f, newStartValue)); |
| values[0].setFloatValues(newStartValue, alpha); |
| scrim.setTag(TAG_START_ALPHA, newStartValue); |
| scrim.setTag(TAG_END_ALPHA, alpha); |
| previousAnimator.setCurrentPlayTime(previousAnimator.getCurrentPlayTime()); |
| } else { |
| // update the alpha directly |
| setCurrentScrimAlpha(scrim, alpha); |
| updateScrimColor(scrim); |
| } |
| } |
| } |
| } |
| |
| /** |
| * Set the amount the current top heads up view is dragged. The range is from 0 to 1 and 0 means |
| * the heads up is in its resting space and 1 means it's fully dragged out. |
| * |
| * @param draggedHeadsUpView the dragged view |
| * @param topHeadsUpDragAmount how far is it dragged |
| */ |
| public void setTopHeadsUpDragAmount(View draggedHeadsUpView, float topHeadsUpDragAmount) { |
| mTopHeadsUpDragAmount = topHeadsUpDragAmount; |
| mDraggedHeadsUpView = draggedHeadsUpView; |
| updateHeadsUpScrim(false); |
| } |
| |
| private float calculateHeadsUpAlpha() { |
| float alpha; |
| if (mPinnedHeadsUpCount >= 2) { |
| alpha = 1.0f; |
| } else if (mPinnedHeadsUpCount == 0) { |
| alpha = 0.0f; |
| } else { |
| alpha = 1.0f - mTopHeadsUpDragAmount; |
| } |
| float expandFactor = (1.0f - mFraction); |
| expandFactor = Math.max(expandFactor, 0.0f); |
| return alpha * expandFactor; |
| } |
| |
| public void forceHideScrims(boolean hide) { |
| mForceHideScrims = hide; |
| mAnimateChange = false; |
| scheduleUpdate(); |
| } |
| |
| public void dontAnimateBouncerChangesUntilNextFrame() { |
| mDontAnimateBouncerChanges = true; |
| } |
| |
| public void setExcludedBackgroundArea(Rect area) { |
| mScrimBehind.setExcludedArea(area); |
| } |
| |
| public int getBackgroundColor() { |
| int color = mLockColors.getMainColor(); |
| return Color.argb((int) (mScrimBehind.getAlpha() * Color.alpha(color)), |
| Color.red(color), Color.green(color), Color.blue(color)); |
| } |
| |
| public void setScrimBehindChangeRunnable(Runnable changeRunnable) { |
| mScrimBehind.setChangeRunnable(changeRunnable); |
| } |
| |
| public void onDensityOrFontScaleChanged() { |
| ViewGroup.LayoutParams layoutParams = mHeadsUpScrim.getLayoutParams(); |
| layoutParams.height = mHeadsUpScrim.getResources().getDimensionPixelSize( |
| R.dimen.heads_up_scrim_height); |
| mHeadsUpScrim.setLayoutParams(layoutParams); |
| } |
| |
| public void setCurrentUser(int currentUser) { |
| // Don't care in the base class. |
| } |
| |
| @Override |
| public void onColorsChanged(ColorExtractor colorExtractor, int which) { |
| if ((which & WallpaperManager.FLAG_LOCK) != 0) { |
| mLockColors = mColorExtractor.getColors(WallpaperManager.FLAG_LOCK, |
| ColorExtractor.TYPE_NORMAL, true /* ignoreVisibility */); |
| mLockColorsDark = mColorExtractor.getColors(WallpaperManager.FLAG_LOCK, |
| ColorExtractor.TYPE_DARK, true /* ignoreVisibility */); |
| mNeedsDrawableColorUpdate = true; |
| scheduleUpdate(); |
| } |
| if ((which & WallpaperManager.FLAG_SYSTEM) != 0) { |
| mSystemColors = mColorExtractor.getColors(WallpaperManager.FLAG_SYSTEM, |
| ColorExtractor.TYPE_NORMAL, mKeyguardShowing); |
| mSystemColorsDark = mColorExtractor.getColors(WallpaperManager.FLAG_SYSTEM, |
| ColorExtractor.TYPE_DARK, mKeyguardShowing); |
| mNeedsDrawableColorUpdate = true; |
| scheduleUpdate(); |
| } |
| } |
| } |