RecentsComponent.java revision 764da991def991a3aa7f09ab715ad18062e79cd9 
1/*
2 * Copyright (C) 2013 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.android.systemui;
18
19import android.graphics.Rect;
20import android.view.Display;
21import android.view.View;
22
23public interface RecentsComponent {
24    void showRecentApps(boolean triggeredFromAltTab, boolean fromHome);
25    void hideRecentApps(boolean triggeredFromAltTab, boolean triggeredFromHomeKey);
26    void toggleRecents(Display display);
27    void preloadRecents();
28    void showNextAffiliatedTask();
29    void showPrevAffiliatedTask();
30
31    /**
32     * Docks the top-most task and opens recents.
33     */
34    boolean dockTopTask(int dragMode, int stackCreateMode, Rect initialBounds,
35            int metricsDockAction);
36
37    /**
38     * Called during a drag-from-navbar-in gesture.
39     *
40     * @param distanceFromTop the distance of the current drag in gesture from the top of the
41     *                        screen
42     */
43    void onDraggingInRecents(float distanceFromTop);
44
45    /**
46     * Called when the gesture to drag in recents ended.
47     *
48     * @param velocity the velocity of the finger when releasing it in pixels per second
49     */
50    void onDraggingInRecentsEnded(float velocity);
51}
52