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/*
* Copyright (C) 2022 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 android.window;
import android.annotation.IntDef;
/**
* Holds constants related to task managements but not suitable in {@code TaskOrganizer}.
* @hide
*/
public class TaskConstants {
/**
* Sizes of a z-order region assigned to child layers of task layers. Components are allowed to
* use all values in [assigned value, assigned value + region size).
* @hide
*/
public static final int TASK_CHILD_LAYER_REGION_SIZE = 10000;
/**
* Indicates system responding to task drag resizing while app content isn't updated.
* @hide
*/
public static final int TASK_CHILD_LAYER_TASK_BACKGROUND = -3 * TASK_CHILD_LAYER_REGION_SIZE;
/**
* Provides solid color letterbox background or blur effect and dimming for the wallpaper
* letterbox background. It also listens to touches for double tap gesture for repositioning
* letterbox.
* @hide
*/
public static final int TASK_CHILD_LAYER_LETTERBOX_BACKGROUND =
-2 * TASK_CHILD_LAYER_REGION_SIZE;
/**
* When a unresizable app is moved in the different configuration, a restart button appears
* allowing to adapt (~resize) app to the new configuration mocks.
* @hide
*/
public static final int TASK_CHILD_LAYER_SIZE_COMPAT_RESTART_BUTTON =
TASK_CHILD_LAYER_REGION_SIZE;
/**
* Shown the first time an app is opened in size compat mode in landscape.
* @hide
*/
public static final int TASK_CHILD_LAYER_LETTERBOX_EDUCATION = 2 * TASK_CHILD_LAYER_REGION_SIZE;
/**
* Captions, window frames and resize handlers around task windows.
* @hide
*/
public static final int TASK_CHILD_LAYER_WINDOW_DECORATIONS = 3 * TASK_CHILD_LAYER_REGION_SIZE;
/**
* Overlays the task when going into PIP w/ gesture navigation.
* @hide
*/
public static final int TASK_CHILD_LAYER_RECENTS_ANIMATION_PIP_OVERLAY =
4 * TASK_CHILD_LAYER_REGION_SIZE;
/**
* Allows other apps to add overlays on the task (i.e. game dashboard)
* @hide
*/
public static final int TASK_CHILD_LAYER_TASK_OVERLAY = 5 * TASK_CHILD_LAYER_REGION_SIZE;
/**
* Legacy machanism to force an activity to the top of the task (i.e. for work profile
* comfirmation).
* @hide
*/
public static final int TASK_CHILD_LAYER_TASK_OVERLAY_ACTIVITIES =
6 * TASK_CHILD_LAYER_REGION_SIZE;
/**
* Z-orders of task child layers other than activities, task fragments and layers interleaved
* with them, e.g. IME windows. [-10000, 10000) is reserved for these layers.
* @hide
*/
@IntDef({
TASK_CHILD_LAYER_TASK_BACKGROUND,
TASK_CHILD_LAYER_LETTERBOX_BACKGROUND,
TASK_CHILD_LAYER_SIZE_COMPAT_RESTART_BUTTON,
TASK_CHILD_LAYER_LETTERBOX_EDUCATION,
TASK_CHILD_LAYER_WINDOW_DECORATIONS,
TASK_CHILD_LAYER_RECENTS_ANIMATION_PIP_OVERLAY,
TASK_CHILD_LAYER_TASK_OVERLAY,
TASK_CHILD_LAYER_TASK_OVERLAY_ACTIVITIES
})
public @interface TaskChildLayer {}
}
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