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 
17 #define LOG_TAG "Surface"
18 
19 #include <android/native_window_jni.h>
20 #include <android/native_window.h>
21 #include <system/window.h>
22 
23 #include <gui/Surface.h>
24 #include <utils/StrongPointer.h>
25 
26 #include <android_runtime/android_view_Surface.h>
27 
28 using namespace android;
29 
30 ANativeWindow* ANativeWindow_fromSurface(JNIEnv* env, jobject surface) {
31     sp<ANativeWindow> win = android_view_Surface_getNativeWindow(env, surface);
32     if (win != NULL) {
33         ANativeWindow_acquire(win.get());
34     }
35     return win.get();
36 }
37 
38 jobject ANativeWindow_toSurface(JNIEnv* env, ANativeWindow* window) {
39     if (window == NULL) {
40         return NULL;
41     }
42     sp<Surface> surface = static_cast<Surface*>(window);
43     return android_view_Surface_createFromSurface(env, surface);
44 }
45