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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #include "window_android.h" |
| 6 |
| 7 #include "base/android/jni_android.h" |
| 8 #include "base/android/jni_helper.h" |
| 9 #include "base/android/scoped_java_ref.h" |
| 10 #include "jni/NativeWindow_jni.h" |
| 11 |
| 12 using base::android::AttachCurrentThread; |
| 13 using base::android::ScopedJavaLocalRef; |
| 14 |
| 15 struct WindowAndroid::JavaObject { |
| 16 jweak obj_; |
| 17 ScopedJavaLocalRef<jobject> WindowAndroid(JNIEnv* env) { |
| 18 return GetRealObject(env, obj_); |
| 19 } |
| 20 }; |
| 21 |
| 22 WindowAndroid::WindowAndroid(JNIEnv* env, jobject obj) { |
| 23 java_object_ = new JavaObject; |
| 24 java_object_->obj_ = env->NewWeakGlobalRef(obj); |
| 25 } |
| 26 |
| 27 WindowAndroid::~WindowAndroid() { |
| 28 if (java_object_->obj_) { |
| 29 JNIEnv* env = AttachCurrentThread(); |
| 30 env->DeleteWeakGlobalRef(java_object_->obj_); |
| 31 java_object_->obj_ = 0; |
| 32 } |
| 33 delete java_object_; |
| 34 } |
| 35 |
| 36 void WindowAndroid::Destroy(JNIEnv* env, jobject obj) { |
| 37 delete this; |
| 38 } |
| 39 |
| 40 ScopedJavaLocalRef<jobject> WindowAndroid::GetJavaObject() { |
| 41 JNIEnv* env = AttachCurrentThread(); |
| 42 return GetRealObject(env, java_object_->obj_); |
| 43 } |
| 44 |
| 45 bool RegisterWindowAndroid(JNIEnv* env) { |
| 46 return RegisterNativesImpl(env); |
| 47 } |
| 48 |
| 49 |
| 50 // ---------------------------------------------------------------------------- |
| 51 // Native JNI methods |
| 52 // ---------------------------------------------------------------------------- |
| 53 |
| 54 jint Init(JNIEnv* env, jobject obj) { |
| 55 WindowAndroid* window = new WindowAndroid(env, obj); |
| 56 return reinterpret_cast<jint>(window); |
| 57 } |
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