RecentsComponent.java revision dd98d41e3a65b3bcb37007ea5b29371cf013f563 
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.view.Display;
20import android.view.View;
21
22public interface RecentsComponent {
23    void showRecents(boolean triggeredFromAltTab, View statusBarView);
24    void hideRecents(boolean triggeredFromAltTab, boolean triggeredFromHomeKey);
25    void toggleRecents(Display display, int layoutDirection, View statusBarView);
26    void preloadRecents();
27    void cancelPreloadingRecents();
28    void showNextAffiliatedTask();
29    void showPrevAffiliatedTask();
30
31    /**
32     * Docks the top-most task and opens recents.
33     */
34    void dockTopTask(boolean draggingInRecents);
35
36    /**
37     * Called during a drag-from-navbar-in gesture.
38     *
39     * @param distanceFromTop the distance of the current drag in gesture from the top of the
40     *                        screen
41     */
42    void onDraggingInRecents(float distanceFromTop);
43
44    /**
45     * Called when the gesture to drag in recents ended.
46     *
47     * @param velocity the velocity of the finger when releasing it in pixels per second
48     */
49    void onDraggingInRecentsEnded(float velocity);
50}
51