The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2006 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 android.view; |
| 18 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 19 | /** |
| 20 | * An instance of this class represents a connection to the surface |
Jeff Brown | 64a55af | 2012-08-26 02:47:39 -0700 | [diff] [blame] | 21 | * flinger, from which you can create one or more Surface instances that will |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 22 | * be composited to the screen. |
| 23 | * {@hide} |
| 24 | */ |
Jeff Brown | 64a55af | 2012-08-26 02:47:39 -0700 | [diff] [blame] | 25 | public final class SurfaceSession { |
| 26 | // Note: This field is accessed by native code. |
Ashok Bhat | a3850d8 | 2014-01-08 15:34:15 +0000 | [diff] [blame] | 27 | private long mNativeClient; // SurfaceComposerClient* |
Jeff Brown | 0b722fe | 2012-08-24 22:40:14 -0700 | [diff] [blame] | 28 | |
Ashok Bhat | a3850d8 | 2014-01-08 15:34:15 +0000 | [diff] [blame] | 29 | private static native long nativeCreate(); |
Robert Carr | d5c7dd6 | 2017-03-08 10:39:30 -0800 | [diff] [blame] | 30 | private static native long nativeCreateScoped(long surfacePtr); |
Ashok Bhat | a3850d8 | 2014-01-08 15:34:15 +0000 | [diff] [blame] | 31 | private static native void nativeDestroy(long ptr); |
| 32 | private static native void nativeKill(long ptr); |
Jeff Brown | 0b722fe | 2012-08-24 22:40:14 -0700 | [diff] [blame] | 33 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 34 | /** Create a new connection with the surface flinger. */ |
| 35 | public SurfaceSession() { |
Jeff Brown | 64a55af | 2012-08-26 02:47:39 -0700 | [diff] [blame] | 36 | mNativeClient = nativeCreate(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 37 | } |
| 38 | |
Robert Carr | d5c7dd6 | 2017-03-08 10:39:30 -0800 | [diff] [blame] | 39 | public SurfaceSession(Surface root) { |
| 40 | mNativeClient = nativeCreateScoped(root.mNativeObject); |
| 41 | } |
| 42 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 43 | /* no user serviceable parts here ... */ |
| 44 | @Override |
| 45 | protected void finalize() throws Throwable { |
Jeff Brown | 0b722fe | 2012-08-24 22:40:14 -0700 | [diff] [blame] | 46 | try { |
Jeff Brown | 64a55af | 2012-08-26 02:47:39 -0700 | [diff] [blame] | 47 | if (mNativeClient != 0) { |
| 48 | nativeDestroy(mNativeClient); |
| 49 | } |
Jeff Brown | 0b722fe | 2012-08-24 22:40:14 -0700 | [diff] [blame] | 50 | } finally { |
| 51 | super.finalize(); |
| 52 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 53 | } |
Jeff Brown | 0b722fe | 2012-08-24 22:40:14 -0700 | [diff] [blame] | 54 | |
| 55 | /** |
| 56 | * Forcibly detach native resources associated with this object. |
| 57 | * Unlike destroy(), after this call any surfaces that were created |
Jeff Brown | 64a55af | 2012-08-26 02:47:39 -0700 | [diff] [blame] | 58 | * from the session will no longer work. |
Jeff Brown | 0b722fe | 2012-08-24 22:40:14 -0700 | [diff] [blame] | 59 | */ |
| 60 | public void kill() { |
Jeff Brown | 64a55af | 2012-08-26 02:47:39 -0700 | [diff] [blame] | 61 | nativeKill(mNativeClient); |
Jeff Brown | 0b722fe | 2012-08-24 22:40:14 -0700 | [diff] [blame] | 62 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 63 | } |
| 64 | |