File: SurfaceSession.java

package info (click to toggle)
android-platform-frameworks-base 1%3A10.0.0%2Br36-3
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 321,788 kB
  • sloc: java: 962,234; cpp: 274,314; xml: 242,770; python: 5,060; sh: 1,432; ansic: 494; makefile: 47; sed: 19
file content (64 lines) | stat: -rw-r--r-- 1,964 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
/*
 * Copyright (C) 2006 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.view;

import android.annotation.UnsupportedAppUsage;

/**
 * An instance of this class represents a connection to the surface
 * flinger, from which you can create one or more Surface instances that will
 * be composited to the screen.
 * {@hide}
 */
public final class SurfaceSession {
    // Note: This field is accessed by native code.
    @UnsupportedAppUsage
    private long mNativeClient; // SurfaceComposerClient*

    private static native long nativeCreate();
    private static native void nativeDestroy(long ptr);
    private static native void nativeKill(long ptr);

    /** Create a new connection with the surface flinger. */
    @UnsupportedAppUsage
    public SurfaceSession() {
        mNativeClient = nativeCreate();
    }

    /* no user serviceable parts here ... */
    @Override
    protected void finalize() throws Throwable {
        try {
            if (mNativeClient != 0) {
                nativeDestroy(mNativeClient);
            }
        } finally {
            super.finalize();
        }
    }

    /**
     * Forcibly detach native resources associated with this object.
     * Unlike destroy(), after this call any surfaces that were created
     * from the session will no longer work.
     */
    @UnsupportedAppUsage
    public void kill() {
        nativeKill(mNativeClient);
    }
}