1/*
2 * Copyright (C) 2017 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.server.am;
18
19import android.app.ActivityOptions;
20import android.content.pm.ActivityInfo;
21import android.graphics.Rect;
22
23import com.android.server.am.LaunchParamsController.LaunchParams;
24import com.android.server.am.LaunchParamsController.LaunchParamsModifier;
25
26/**
27 * An implementation of {@link LaunchParamsModifier}, which applies the launch bounds specified
28 * inside {@link ActivityOptions#getLaunchBounds()}.
29 */
30public class ActivityLaunchParamsModifier implements LaunchParamsModifier {
31    private final ActivityStackSupervisor mSupervisor;
32
33    ActivityLaunchParamsModifier(ActivityStackSupervisor activityStackSupervisor) {
34        mSupervisor = activityStackSupervisor;
35    }
36
37    @Override
38    public int onCalculate(TaskRecord task, ActivityInfo.WindowLayout layout,
39            ActivityRecord activity, ActivityRecord source, ActivityOptions options,
40            LaunchParams currentParams, LaunchParams outParams) {
41        // We only care about figuring out bounds for activities.
42        if (activity == null) {
43            return RESULT_SKIP;
44        }
45
46        // Activity must be resizeable in the specified task.
47        if (!(mSupervisor.canUseActivityOptionsLaunchBounds(options)
48                && (activity.isResizeable() || (task != null && task.isResizeable())))) {
49            return RESULT_SKIP;
50        }
51
52        final Rect bounds = options.getLaunchBounds();
53
54        // Bounds weren't valid.
55        if (bounds == null || bounds.isEmpty()) {
56            return RESULT_SKIP;
57        }
58
59        outParams.mBounds.set(bounds);
60
61        // When this is the most explicit position specification so we should not allow further
62        // modification of the position.
63        return RESULT_DONE;
64    }
65}
66