| /* |
| * 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; |
| 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; |
| launchedToTaskId = -1; |
| launchedWithAltTab = false; |
| launchedViaDragGesture = false; |
| launchedViaDockGesture = false; |
| } |
| |
| /** |
| * Returns the task to focus given the current launch state. |
| */ |
| public int getInitialFocusTaskIndex(int numTasks) { |
| 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 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; |
| } |
| } |
| } |