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1 /*
2  * Copyright (C) 2015 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 
17 package com.android.tv.ui;
18 
19 import android.content.Context;
20 import android.util.AttributeSet;
21 import android.view.SurfaceView;
22 import android.view.View;
23 import com.android.tv.common.compat.TvViewCompat;
24 import com.android.tv.common.util.Debug;
25 
26 /**
27  * A TvView class for application layer when multiple windows are being used in the app.
28  *
29  * <p>Once an app starts using additional window like SubPanel and it gets window focus, the {@link
30  * android.media.tv.TvView#setMain()} does not work because its implementation assumes that the app
31  * uses only application layer.
32  *
33  * <p>TODO: remove this class once the TvView.setMain() is revisited.
34  */
35 public class AppLayerTvView extends TvViewCompat {
36 
37     boolean mUseSecureSurface = true;
38 
AppLayerTvView(Context context)39     public AppLayerTvView(Context context) {
40         super(context);
41     }
42 
AppLayerTvView(Context context, AttributeSet attrs)43     public AppLayerTvView(Context context, AttributeSet attrs) {
44         super(context, attrs);
45     }
46 
AppLayerTvView(Context context, AttributeSet attrs, int defStyleAttr)47     public AppLayerTvView(Context context, AttributeSet attrs, int defStyleAttr) {
48         super(context, attrs, defStyleAttr);
49     }
50 
51     /** Set the security of children {@link SurfaceView}s to {@code secure} */
setUseSecureSurface(boolean secure)52     public void setUseSecureSurface(boolean secure) {
53         mUseSecureSurface = secure;
54     }
55 
56     @Override
hasWindowFocus()57     public boolean hasWindowFocus() {
58         return true;
59     }
60 
61     @Override
onViewAdded(View child)62     public void onViewAdded(View child) {
63         if (child instanceof SurfaceView) {
64             // Note: See b/29118070 for detail.
65             ((SurfaceView) child).setSecure(mUseSecureSurface);
66         }
67         super.onViewAdded(child);
68     }
69 
70     @Override
getLocationOnScreen(int[] outLocation)71     public void getLocationOnScreen(int[] outLocation) {
72         super.getLocationOnScreen(outLocation);
73 
74         // The TvView.MySessionCallback.onSessionCreated() will call this method indirectly.
75         Debug.getTimer(Debug.TAG_START_UP_TIMER)
76                 .log("AppLayerTvView.getLocationOnScreen, session created");
77     }
78 }
79