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/*
* 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.recents;
/**
* The launch state of the RecentsActivity.
*
* Current Constraints:
* - needed in onStart() before onNewIntent()
* - needs to be reset when Recents is hidden
* - needs to be computed in Recents component
* - needs to be accessible by views
*/
public class RecentsActivityLaunchState {
public boolean launchedWithAltTab;
public boolean launchedFromApp;
// Set if the activity that we launched from entered PiP during the transition into Recents
public boolean launchedFromPipApp;
// Set if the next activity that quick-switch will launch is the PiP activity
public boolean launchedWithNextPipApp;
public boolean launchedFromBlacklistedApp;
public boolean launchedFromHome;
public boolean launchedViaDragGesture;
public boolean launchedViaDockGesture;
public int launchedToTaskId;
public int launchedNumVisibleTasks;
public int launchedNumVisibleThumbnails;
public void reset() {
launchedFromHome = false;
launchedFromApp = false;
launchedFromBlacklistedApp = false;
launchedFromPipApp = false;
launchedWithNextPipApp = false;
launchedToTaskId = -1;
launchedWithAltTab = false;
launchedViaDragGesture = false;
launchedViaDockGesture = false;
}
/**
* Returns the task to focus given the current launch state.
*/
public int getInitialFocusTaskIndex(int numTasks, boolean useGridLayout) {
RecentsDebugFlags debugFlags = Recents.getDebugFlags();
RecentsActivityLaunchState launchState = Recents.getConfiguration().getLaunchState();
if (launchedFromApp) {
if (!launchState.launchedWithAltTab && debugFlags.isFastToggleRecentsEnabled()) {
// If fast toggling, focus the front most task so that the next tap will launch the
// task
return numTasks - 1;
}
if (launchState.launchedFromBlacklistedApp) {
// If we are launching from a blacklisted app, focus the front most task so that the
// next tap will launch the task
return numTasks - 1;
}
if (useGridLayout) {
// If coming from another app to the grid layout, focus the front most task
return numTasks - 1;
}
// If coming from another app, focus the next task
return Math.max(0, numTasks - 2);
} else {
if (!launchState.launchedWithAltTab && debugFlags.isFastToggleRecentsEnabled()) {
// If fast toggling, defer focusing until the next tap (which will automatically
// focus the front most task)
return -1;
}
// If coming from home, focus the front most task
return numTasks - 1;
}
}
}
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