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/*
* Copyright (C) 2018 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.quickstep.fallback;
import static com.android.launcher3.LauncherAnimUtils.SCALE_PROPERTY;
import android.app.ActivityManager.RunningTaskInfo;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Rect;
import android.util.AttributeSet;
import android.util.FloatProperty;
import android.view.View;
import com.android.launcher3.DeviceProfile;
import com.android.launcher3.LauncherState.ScaleAndTranslation;
import com.android.launcher3.Utilities;
import com.android.quickstep.RecentsActivity;
import com.android.quickstep.util.LayoutUtils;
import com.android.quickstep.views.RecentsView;
import com.android.quickstep.views.TaskView;
import com.android.systemui.shared.recents.model.Task;
import com.android.systemui.shared.recents.model.Task.TaskKey;
import java.util.ArrayList;
public class FallbackRecentsView extends RecentsView<RecentsActivity> {
public static final FloatProperty<FallbackRecentsView> ZOOM_PROGRESS =
new FloatProperty<FallbackRecentsView> ("zoomInProgress") {
@Override
public void setValue(FallbackRecentsView view, float value) {
view.setZoomProgress(value);
}
@Override
public Float get(FallbackRecentsView view) {
return view.mZoomInProgress;
}
};
private float mZoomInProgress = 0;
private boolean mInOverviewState = true;
private float mZoomScale = 1f;
private float mZoomTranslationY = 0f;
private RunningTaskInfo mRunningTaskInfo;
public FallbackRecentsView(Context context, AttributeSet attrs) {
this(context, attrs, 0);
}
public FallbackRecentsView(Context context, AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
setOverviewStateEnabled(true);
setOverlayEnabled(true);
}
@Override
public void startHome() {
mActivity.startHome();
}
@Override
public void onViewAdded(View child) {
super.onViewAdded(child);
updateEmptyMessage();
}
@Override
public void onViewRemoved(View child) {
super.onViewRemoved(child);
updateEmptyMessage();
}
@Override
public void draw(Canvas canvas) {
maybeDrawEmptyMessage(canvas);
super.draw(canvas);
}
@Override
public void reset() {
super.reset();
resetViewUI();
}
@Override
protected void getTaskSize(DeviceProfile dp, Rect outRect) {
LayoutUtils.calculateFallbackTaskSize(getContext(), dp, outRect);
}
@Override
public boolean shouldUseMultiWindowTaskSizeStrategy() {
// Just use the activity task size for multi-window as well.
return false;
}
public void resetViewUI() {
setZoomProgress(0);
resetTaskVisuals();
}
public void setInOverviewState(boolean inOverviewState) {
if (mInOverviewState != inOverviewState) {
mInOverviewState = inOverviewState;
if (mInOverviewState) {
resetTaskVisuals();
} else {
setZoomProgress(1);
}
}
}
@Override
public void resetTaskVisuals() {
super.resetTaskVisuals();
setFullscreenProgress(mFullscreenProgress);
}
@Override
protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
super.onLayout(changed, left, top, right, bottom);
if (getTaskViewCount() == 0) {
mZoomScale = 1f;
mZoomTranslationY = 0f;
} else {
TaskView dummyTask = getTaskViewAt(0);
ScaleAndTranslation sat = getTempClipAnimationHelper()
.updateForFullscreenOverview(dummyTask)
.getScaleAndTranslation();
mZoomScale = sat.scale;
mZoomTranslationY = sat.translationY;
}
setZoomProgress(mZoomInProgress);
}
public void setZoomProgress(float progress) {
mZoomInProgress = progress;
SCALE_PROPERTY.set(this, Utilities.mapRange(mZoomInProgress, 1, mZoomScale));
TRANSLATION_Y.set(this, Utilities.mapRange(mZoomInProgress, 0, mZoomTranslationY));
FULLSCREEN_PROGRESS.set(this, mZoomInProgress);
}
public void onGestureAnimationStart(RunningTaskInfo runningTaskInfo) {
mRunningTaskInfo = runningTaskInfo;
onGestureAnimationStart(runningTaskInfo == null ? -1 : runningTaskInfo.taskId);
}
@Override
public void setCurrentTask(int runningTaskId) {
super.setCurrentTask(runningTaskId);
if (mRunningTaskInfo != null && mRunningTaskInfo.taskId != runningTaskId) {
mRunningTaskInfo = null;
}
}
@Override
protected void applyLoadPlan(ArrayList<Task> tasks) {
// When quick-switching on 3p-launcher, we add a "dummy" tile corresponding to Launcher
// as well. This tile is never shown as we have setCurrentTaskHidden, but allows use to
// track the index of the next task appropriately, as if we are switching on any other app.
if (mRunningTaskInfo != null && mRunningTaskInfo.taskId == mRunningTaskId) {
// Check if the task list has running task
boolean found = false;
for (Task t : tasks) {
if (t.key.id == mRunningTaskId) {
found = true;
break;
}
}
if (!found) {
ArrayList<Task> newList = new ArrayList<>(tasks.size() + 1);
newList.addAll(tasks);
newList.add(Task.from(new TaskKey(mRunningTaskInfo), mRunningTaskInfo, false));
tasks = newList;
}
}
super.applyLoadPlan(tasks);
}
}
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