Files
frameworks_base/services/java/com/android/server/wm/AppTransition.java
Craig Mautner 321bdf52a1 Fade recents thumbnail to transparent earlier.
- Reduce the gpu load by fading the recents thumbnail to an alpha of
0.0 before the remaining animations are completed. When alpha hits
0 the gpu treats the layer as hidden and can render the remaining
layers faster.

- Refactoring of animations to:
  o Remove unused setInterpolator() calls on AnimationSet constituents.
  o Remove unnecessary setFillBefore() calls.
  o Consolidate setDuration() calls into AnimationSet.
  o Create Interpolators once.
  o Group animation set calls with their Animations.
  o Use same animation timing and Interpolator for all animations.

This is a partial fix for 7729214.

Change-Id: Ic3c47bcf7c84944128effb699efcdd1f89200fc4
2012-12-20 09:32:02 -08:00

612 lines
26 KiB
Java

/*
* Copyright (C) 2011 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.server.wm;
import android.app.ActivityOptions;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.Point;
import android.os.Debug;
import android.os.Handler;
import android.os.IRemoteCallback;
import android.util.Slog;
import android.view.WindowManager;
import android.view.WindowManagerPolicy;
import android.view.animation.AlphaAnimation;
import android.view.animation.Animation;
import android.view.animation.AnimationSet;
import android.view.animation.AnimationUtils;
import android.view.animation.Interpolator;
import android.view.animation.ScaleAnimation;
import com.android.internal.util.DumpUtils.Dump;
import com.android.server.AttributeCache;
import com.android.server.wm.WindowManagerService.H;
import java.io.PrintWriter;
import static android.view.WindowManagerPolicy.TRANSIT_NONE;
import static android.view.WindowManagerPolicy.TRANSIT_UNSET;
// State management of app transitions. When we are preparing for a
// transition, mNextAppTransition will be the kind of transition to
// perform or TRANSIT_NONE if we are not waiting. If we are waiting,
// mOpeningApps and mClosingApps are the lists of tokens that will be
// made visible or hidden at the next transition.
public class AppTransition implements Dump {
private static final String TAG = "AppTransition";
private static final boolean DEBUG_APP_TRANSITIONS =
WindowManagerService.DEBUG_APP_TRANSITIONS;
private static final boolean DEBUG_ANIM = WindowManagerService.DEBUG_ANIM;
/** Fraction of animation at which the recents thumbnail becomes completely transparent */
static final float RECENTS_THUMBNAIL_FADEOUT_FRACTION = 0.25f;
static final long DEFAULT_APP_TRANSITION_DURATION = 250;
final Context mContext;
final Handler mH;
int mNextAppTransition = TRANSIT_UNSET;
int mNextAppTransitionType = ActivityOptions.ANIM_NONE;
String mNextAppTransitionPackage;
Bitmap mNextAppTransitionThumbnail;
// Used for thumbnail transitions. True if we're scaling up, false if scaling down
boolean mNextAppTransitionScaleUp;
IRemoteCallback mNextAppTransitionCallback;
int mNextAppTransitionEnter;
int mNextAppTransitionExit;
int mNextAppTransitionStartX;
int mNextAppTransitionStartY;
int mNextAppTransitionStartWidth;
int mNextAppTransitionStartHeight;
boolean mAppTransitionReady = false;
boolean mAppTransitionRunning = false;
boolean mAppTransitionTimeout = false;
final int mConfigShortAnimTime;
private final Interpolator mDecelerateInterpolator;
private final Interpolator mThumbnailFadeoutInterpolator;
AppTransition(Context context, Handler h) {
mContext = context;
mH = h;
mConfigShortAnimTime = context.getResources().getInteger(
com.android.internal.R.integer.config_shortAnimTime);
mDecelerateInterpolator = AnimationUtils.loadInterpolator(context,
com.android.internal.R.interpolator.decelerate_cubic);
mThumbnailFadeoutInterpolator = new Interpolator() {
@Override
public float getInterpolation(float input) {
// Linear response for first fraction, then complete after that.
if (input < RECENTS_THUMBNAIL_FADEOUT_FRACTION) {
return input / RECENTS_THUMBNAIL_FADEOUT_FRACTION;
}
return 1.0f;
}
};
}
boolean isTransitionSet() {
return mNextAppTransition != TRANSIT_UNSET;
}
boolean isTransitionNone() {
return mNextAppTransition == TRANSIT_NONE;
}
boolean isTransitionEqual(int transit) {
return mNextAppTransition == transit;
}
int getAppTransition() {
return mNextAppTransition;
}
void setAppTransition(int transit) {
mNextAppTransition = transit;
}
boolean isReady() {
return mAppTransitionReady;
}
void setReady() {
mAppTransitionReady = true;
}
boolean isRunning() {
return mAppTransitionRunning;
}
void setRunning(boolean running) {
mAppTransitionRunning = running;
}
boolean isTimeout() {
return mAppTransitionTimeout;
}
void setTimeout(boolean timeout) {
mAppTransitionTimeout = timeout;
}
Bitmap getNextAppTransitionThumbnail() {
return mNextAppTransitionThumbnail;
}
void getStartingPoint(Point outPoint) {
outPoint.x = mNextAppTransitionStartX;
outPoint.y = mNextAppTransitionStartY;
}
int getType() {
return mNextAppTransitionType;
}
void prepare() {
mAppTransitionReady = false;
mAppTransitionTimeout = false;
}
void goodToGo() {
mNextAppTransition = WindowManagerPolicy.TRANSIT_UNSET;
mAppTransitionReady = false;
mAppTransitionRunning = true;
mAppTransitionTimeout = false;
}
void clear() {
mNextAppTransitionType = ActivityOptions.ANIM_NONE;
mNextAppTransitionPackage = null;
mNextAppTransitionThumbnail = null;
}
private AttributeCache.Entry getCachedAnimations(WindowManager.LayoutParams lp) {
if (DEBUG_ANIM) Slog.v(TAG, "Loading animations: layout params pkg="
+ (lp != null ? lp.packageName : null)
+ " resId=0x" + (lp != null ? Integer.toHexString(lp.windowAnimations) : null));
if (lp != null && lp.windowAnimations != 0) {
// If this is a system resource, don't try to load it from the
// application resources. It is nice to avoid loading application
// resources if we can.
String packageName = lp.packageName != null ? lp.packageName : "android";
int resId = lp.windowAnimations;
if ((resId&0xFF000000) == 0x01000000) {
packageName = "android";
}
if (DEBUG_ANIM) Slog.v(TAG, "Loading animations: picked package="
+ packageName);
return AttributeCache.instance().get(packageName, resId,
com.android.internal.R.styleable.WindowAnimation);
}
return null;
}
private AttributeCache.Entry getCachedAnimations(String packageName, int resId) {
if (DEBUG_ANIM) Slog.v(TAG, "Loading animations: package="
+ packageName + " resId=0x" + Integer.toHexString(resId));
if (packageName != null) {
if ((resId&0xFF000000) == 0x01000000) {
packageName = "android";
}
if (DEBUG_ANIM) Slog.v(TAG, "Loading animations: picked package="
+ packageName);
return AttributeCache.instance().get(packageName, resId,
com.android.internal.R.styleable.WindowAnimation);
}
return null;
}
Animation loadAnimation(WindowManager.LayoutParams lp, int animAttr) {
int anim = 0;
Context context = mContext;
if (animAttr >= 0) {
AttributeCache.Entry ent = getCachedAnimations(lp);
if (ent != null) {
context = ent.context;
anim = ent.array.getResourceId(animAttr, 0);
}
}
if (anim != 0) {
return AnimationUtils.loadAnimation(context, anim);
}
return null;
}
private Animation loadAnimation(String packageName, int resId) {
int anim = 0;
Context context = mContext;
if (resId >= 0) {
AttributeCache.Entry ent = getCachedAnimations(packageName, resId);
if (ent != null) {
context = ent.context;
anim = resId;
}
}
if (anim != 0) {
return AnimationUtils.loadAnimation(context, anim);
}
return null;
}
/**
* Compute the pivot point for an animation that is scaling from a small
* rect on screen to a larger rect. The pivot point varies depending on
* the distance between the inner and outer edges on both sides. This
* function computes the pivot point for one dimension.
* @param startPos Offset from left/top edge of outer rectangle to
* left/top edge of inner rectangle.
* @param finalScale The scaling factor between the size of the outer
* and inner rectangles.
*/
private static float computePivot(int startPos, float finalScale) {
final float denom = finalScale-1;
if (Math.abs(denom) < .0001f) {
return startPos;
}
return -startPos / denom;
}
private Animation createScaleUpAnimationLocked(int transit, boolean enter,
int appWidth, int appHeight) {
Animation a = null;
if (enter) {
// Entering app zooms out from the center of the initial rect.
float scaleW = mNextAppTransitionStartWidth / (float) appWidth;
float scaleH = mNextAppTransitionStartHeight / (float) appHeight;
Animation scale = new ScaleAnimation(scaleW, 1, scaleH, 1,
computePivot(mNextAppTransitionStartX, scaleW),
computePivot(mNextAppTransitionStartY, scaleH));
scale.setInterpolator(mDecelerateInterpolator);
Animation alpha = new AlphaAnimation(0, 1);
alpha.setInterpolator(mThumbnailFadeoutInterpolator);
AnimationSet set = new AnimationSet(false);
set.addAnimation(scale);
set.addAnimation(alpha);
set.setDetachWallpaper(true);
a = set;
} else if (transit == WindowManagerPolicy.TRANSIT_WALLPAPER_INTRA_OPEN ||
transit == WindowManagerPolicy.TRANSIT_WALLPAPER_INTRA_CLOSE) {
// If we are on top of the wallpaper, we need an animation that
// correctly handles the wallpaper staying static behind all of
// the animated elements. To do this, will just have the existing
// element fade out.
a = new AlphaAnimation(1, 0);
a.setDetachWallpaper(true);
} else {
// For normal animations, the exiting element just holds in place.
a = new AlphaAnimation(1, 1);
}
// Pick the desired duration. If this is an inter-activity transition,
// it is the standard duration for that. Otherwise we use the longer
// task transition duration.
final long duration;
switch (transit) {
case WindowManagerPolicy.TRANSIT_ACTIVITY_OPEN:
case WindowManagerPolicy.TRANSIT_ACTIVITY_CLOSE:
duration = mConfigShortAnimTime;
break;
default:
duration = DEFAULT_APP_TRANSITION_DURATION;
break;
}
a.setDuration(duration);
a.setFillAfter(true);
a.setInterpolator(mDecelerateInterpolator);
a.initialize(appWidth, appHeight, appWidth, appHeight);
return a;
}
Animation createThumbnailAnimationLocked(int transit, boolean enter, boolean thumb,
int appWidth, int appHeight) {
Animation a;
final int thumbWidthI = mNextAppTransitionThumbnail.getWidth();
final float thumbWidth = thumbWidthI > 0 ? thumbWidthI : 1;
final int thumbHeightI = mNextAppTransitionThumbnail.getHeight();
final float thumbHeight = thumbHeightI > 0 ? thumbHeightI : 1;
if (thumb) {
// Animation for zooming thumbnail from its initial size to
// filling the screen.
if (mNextAppTransitionScaleUp) {
float scaleW = appWidth / thumbWidth;
float scaleH = appHeight / thumbHeight;
Animation scale = new ScaleAnimation(1, scaleW, 1, scaleH,
computePivot(mNextAppTransitionStartX, 1 / scaleW),
computePivot(mNextAppTransitionStartY, 1 / scaleH));
scale.setInterpolator(mDecelerateInterpolator);
Animation alpha = new AlphaAnimation(1, 0);
alpha.setInterpolator(mThumbnailFadeoutInterpolator);
// This AnimationSet uses the Interpolators assigned above.
AnimationSet set = new AnimationSet(false);
set.addAnimation(scale);
set.addAnimation(alpha);
a = set;
} else {
float scaleW = appWidth / thumbWidth;
float scaleH = appHeight / thumbHeight;
a = new ScaleAnimation(scaleW, 1, scaleH, 1,
computePivot(mNextAppTransitionStartX, 1 / scaleW),
computePivot(mNextAppTransitionStartY, 1 / scaleH));
}
} else if (enter) {
// Entering app zooms out from the center of the thumbnail.
if (mNextAppTransitionScaleUp) {
float scaleW = thumbWidth / appWidth;
float scaleH = thumbHeight / appHeight;
a = new ScaleAnimation(scaleW, 1, scaleH, 1,
computePivot(mNextAppTransitionStartX, scaleW),
computePivot(mNextAppTransitionStartY, scaleH));
} else {
// noop animation
a = new AlphaAnimation(1, 1);
}
} else {
// Exiting app
if (mNextAppTransitionScaleUp) {
if (transit == WindowManagerPolicy.TRANSIT_WALLPAPER_INTRA_OPEN) {
// Fade out while bringing up selected activity. This keeps the
// current activity from showing through a launching wallpaper
// activity.
a = new AlphaAnimation(1, 0);
} else {
// noop animation
a = new AlphaAnimation(1, 1);
}
} else {
float scaleW = thumbWidth / appWidth;
float scaleH = thumbHeight / appHeight;
Animation scale = new ScaleAnimation(1, scaleW, 1, scaleH,
computePivot(mNextAppTransitionStartX, scaleW),
computePivot(mNextAppTransitionStartY, scaleH));
Animation alpha = new AlphaAnimation(1, 0);
AnimationSet set = new AnimationSet(true);
set.addAnimation(scale);
set.addAnimation(alpha);
set.setZAdjustment(Animation.ZORDER_TOP);
a = set;
}
}
// Pick the desired duration. If this is an inter-activity transition,
// it is the standard duration for that. Otherwise we use the longer
// task transition duration.
final long duration;
switch (transit) {
case WindowManagerPolicy.TRANSIT_ACTIVITY_OPEN:
case WindowManagerPolicy.TRANSIT_ACTIVITY_CLOSE:
duration = mConfigShortAnimTime;
break;
default:
duration = DEFAULT_APP_TRANSITION_DURATION;
break;
}
a.setDuration(duration);
a.setFillAfter(true);
a.setInterpolator(mDecelerateInterpolator);
a.initialize(appWidth, appHeight, appWidth, appHeight);
return a;
}
Animation loadAnimation(WindowManager.LayoutParams lp, int transit, boolean enter,
int appWidth, int appHeight) {
Animation a;
if (mNextAppTransitionType == ActivityOptions.ANIM_CUSTOM) {
a = loadAnimation(mNextAppTransitionPackage, enter ?
mNextAppTransitionEnter : mNextAppTransitionExit);
if (DEBUG_APP_TRANSITIONS || DEBUG_ANIM) Slog.v(TAG,
"applyAnimation:"
+ " anim=" + a + " nextAppTransition=ANIM_CUSTOM"
+ " transit=" + transit + " isEntrance=" + enter
+ " Callers=" + Debug.getCallers(3));
} else if (mNextAppTransitionType == ActivityOptions.ANIM_SCALE_UP) {
a = createScaleUpAnimationLocked(transit, enter, appWidth, appHeight);
if (DEBUG_APP_TRANSITIONS || DEBUG_ANIM) Slog.v(TAG,
"applyAnimation:"
+ " anim=" + a + " nextAppTransition=ANIM_SCALE_UP"
+ " transit=" + transit + " isEntrance=" + enter
+ " Callers=" + Debug.getCallers(3));
} else if (mNextAppTransitionType == ActivityOptions.ANIM_THUMBNAIL_SCALE_UP ||
mNextAppTransitionType == ActivityOptions.ANIM_THUMBNAIL_SCALE_DOWN) {
mNextAppTransitionScaleUp =
(mNextAppTransitionType == ActivityOptions.ANIM_THUMBNAIL_SCALE_UP);
a = createThumbnailAnimationLocked(transit, enter, false, appWidth, appHeight);
if (DEBUG_APP_TRANSITIONS || DEBUG_ANIM) {
String animName = mNextAppTransitionScaleUp ?
"ANIM_THUMBNAIL_SCALE_UP" : "ANIM_THUMBNAIL_SCALE_DOWN";
Slog.v(TAG, "applyAnimation:"
+ " anim=" + a + " nextAppTransition=" + animName
+ " transit=" + transit + " isEntrance=" + enter
+ " Callers=" + Debug.getCallers(3));
}
} else {
int animAttr = 0;
switch (transit) {
case WindowManagerPolicy.TRANSIT_ACTIVITY_OPEN:
animAttr = enter
? com.android.internal.R.styleable.WindowAnimation_activityOpenEnterAnimation
: com.android.internal.R.styleable.WindowAnimation_activityOpenExitAnimation;
break;
case WindowManagerPolicy.TRANSIT_ACTIVITY_CLOSE:
animAttr = enter
? com.android.internal.R.styleable.WindowAnimation_activityCloseEnterAnimation
: com.android.internal.R.styleable.WindowAnimation_activityCloseExitAnimation;
break;
case WindowManagerPolicy.TRANSIT_TASK_OPEN:
animAttr = enter
? com.android.internal.R.styleable.WindowAnimation_taskOpenEnterAnimation
: com.android.internal.R.styleable.WindowAnimation_taskOpenExitAnimation;
break;
case WindowManagerPolicy.TRANSIT_TASK_CLOSE:
animAttr = enter
? com.android.internal.R.styleable.WindowAnimation_taskCloseEnterAnimation
: com.android.internal.R.styleable.WindowAnimation_taskCloseExitAnimation;
break;
case WindowManagerPolicy.TRANSIT_TASK_TO_FRONT:
animAttr = enter
? com.android.internal.R.styleable.WindowAnimation_taskToFrontEnterAnimation
: com.android.internal.R.styleable.WindowAnimation_taskToFrontExitAnimation;
break;
case WindowManagerPolicy.TRANSIT_TASK_TO_BACK:
animAttr = enter
? com.android.internal.R.styleable.WindowAnimation_taskToBackEnterAnimation
: com.android.internal.R.styleable.WindowAnimation_taskToBackExitAnimation;
break;
case WindowManagerPolicy.TRANSIT_WALLPAPER_OPEN:
animAttr = enter
? com.android.internal.R.styleable.WindowAnimation_wallpaperOpenEnterAnimation
: com.android.internal.R.styleable.WindowAnimation_wallpaperOpenExitAnimation;
break;
case WindowManagerPolicy.TRANSIT_WALLPAPER_CLOSE:
animAttr = enter
? com.android.internal.R.styleable.WindowAnimation_wallpaperCloseEnterAnimation
: com.android.internal.R.styleable.WindowAnimation_wallpaperCloseExitAnimation;
break;
case WindowManagerPolicy.TRANSIT_WALLPAPER_INTRA_OPEN:
animAttr = enter
? com.android.internal.R.styleable.WindowAnimation_wallpaperIntraOpenEnterAnimation
: com.android.internal.R.styleable.WindowAnimation_wallpaperIntraOpenExitAnimation;
break;
case WindowManagerPolicy.TRANSIT_WALLPAPER_INTRA_CLOSE:
animAttr = enter
? com.android.internal.R.styleable.WindowAnimation_wallpaperIntraCloseEnterAnimation
: com.android.internal.R.styleable.WindowAnimation_wallpaperIntraCloseExitAnimation;
break;
}
a = animAttr != 0 ? loadAnimation(lp, animAttr) : null;
if (DEBUG_APP_TRANSITIONS || DEBUG_ANIM) Slog.v(TAG,
"applyAnimation:"
+ " anim=" + a
+ " animAttr=0x" + Integer.toHexString(animAttr)
+ " transit=" + transit + " isEntrance=" + enter
+ " Callers=" + Debug.getCallers(3));
}
return a;
}
void postAnimationCallback() {
if (mNextAppTransitionCallback != null) {
mH.sendMessage(mH.obtainMessage(H.DO_ANIMATION_CALLBACK, mNextAppTransitionCallback));
mNextAppTransitionCallback = null;
}
}
void overridePendingAppTransition(String packageName, int enterAnim, int exitAnim,
IRemoteCallback startedCallback) {
if (isTransitionSet()) {
mNextAppTransitionType = ActivityOptions.ANIM_CUSTOM;
mNextAppTransitionPackage = packageName;
mNextAppTransitionThumbnail = null;
mNextAppTransitionEnter = enterAnim;
mNextAppTransitionExit = exitAnim;
postAnimationCallback();
mNextAppTransitionCallback = startedCallback;
} else {
postAnimationCallback();
}
}
void overridePendingAppTransitionScaleUp(int startX, int startY, int startWidth,
int startHeight) {
if (isTransitionSet()) {
mNextAppTransitionType = ActivityOptions.ANIM_SCALE_UP;
mNextAppTransitionPackage = null;
mNextAppTransitionThumbnail = null;
mNextAppTransitionStartX = startX;
mNextAppTransitionStartY = startY;
mNextAppTransitionStartWidth = startWidth;
mNextAppTransitionStartHeight = startHeight;
postAnimationCallback();
mNextAppTransitionCallback = null;
}
}
void overridePendingAppTransitionThumb(Bitmap srcThumb, int startX, int startY,
IRemoteCallback startedCallback, boolean scaleUp) {
if (isTransitionSet()) {
mNextAppTransitionType = scaleUp ? ActivityOptions.ANIM_THUMBNAIL_SCALE_UP
: ActivityOptions.ANIM_THUMBNAIL_SCALE_DOWN;
mNextAppTransitionPackage = null;
mNextAppTransitionThumbnail = srcThumb;
mNextAppTransitionScaleUp = scaleUp;
mNextAppTransitionStartX = startX;
mNextAppTransitionStartY = startY;
postAnimationCallback();
mNextAppTransitionCallback = startedCallback;
} else {
postAnimationCallback();
}
}
@Override
public String toString() {
return "mNextAppTransition=0x" + Integer.toHexString(mNextAppTransition);
}
@Override
public void dump(PrintWriter pw) {
pw.print(" " + this);
pw.print(" mAppTransitionReady="); pw.println(mAppTransitionReady);
pw.print(" mAppTransitionRunning="); pw.print(mAppTransitionRunning);
pw.print(" mAppTransitionTimeout="); pw.println(mAppTransitionTimeout);
if (mNextAppTransitionType != ActivityOptions.ANIM_NONE) {
pw.print(" mNextAppTransitionType="); pw.println(mNextAppTransitionType);
}
switch (mNextAppTransitionType) {
case ActivityOptions.ANIM_CUSTOM:
pw.print(" mNextAppTransitionPackage=");
pw.println(mNextAppTransitionPackage);
pw.print(" mNextAppTransitionEnter=0x");
pw.print(Integer.toHexString(mNextAppTransitionEnter));
pw.print(" mNextAppTransitionExit=0x");
pw.println(Integer.toHexString(mNextAppTransitionExit));
break;
case ActivityOptions.ANIM_SCALE_UP:
pw.print(" mNextAppTransitionStartX="); pw.print(mNextAppTransitionStartX);
pw.print(" mNextAppTransitionStartY=");
pw.println(mNextAppTransitionStartY);
pw.print(" mNextAppTransitionStartWidth=");
pw.print(mNextAppTransitionStartWidth);
pw.print(" mNextAppTransitionStartHeight=");
pw.println(mNextAppTransitionStartHeight);
break;
case ActivityOptions.ANIM_THUMBNAIL_SCALE_UP:
case ActivityOptions.ANIM_THUMBNAIL_SCALE_DOWN:
pw.print(" mNextAppTransitionThumbnail=");
pw.print(mNextAppTransitionThumbnail);
pw.print(" mNextAppTransitionStartX=");
pw.print(mNextAppTransitionStartX);
pw.print(" mNextAppTransitionStartY=");
pw.println(mNextAppTransitionStartY);
pw.print(" mNextAppTransitionScaleUp="); pw.println(mNextAppTransitionScaleUp);
break;
}
if (mNextAppTransitionCallback != null) {
pw.print(" mNextAppTransitionCallback=");
pw.println(mNextAppTransitionCallback);
}
}
}