1 // Copyright 2013 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.
5 #include "ui/base/android/window_android.h"
7 #include "base/android/jni_android.h"
8 #include "base/android/jni_array.h"
9 #include "base/android/jni_helper.h"
10 #include "base/android/scoped_java_ref.h"
11 #include "jni/WindowAndroid_jni.h"
12 #include "ui/base/android/window_android_compositor.h"
13 #include "ui/base/android/window_android_observer.h"
17 using base::android::AttachCurrentThread;
18 using base::android::ScopedJavaLocalRef;
20 WindowAndroid::WindowAndroid(JNIEnv* env, jobject obj)
21 : weak_java_window_(env, obj),
25 void WindowAndroid::Destroy(JNIEnv* env, jobject obj) {
29 ScopedJavaLocalRef<jobject> WindowAndroid::GetJavaObject() {
30 return weak_java_window_.get(AttachCurrentThread());
33 bool WindowAndroid::RegisterWindowAndroid(JNIEnv* env) {
34 return RegisterNativesImpl(env);
37 WindowAndroid::~WindowAndroid() {
40 WindowAndroidObserver, observer_list_, OnWillDestroyWindow());
43 bool WindowAndroid::GrabSnapshot(
44 int content_x, int content_y, int width, int height,
45 std::vector<unsigned char>* png_representation) {
46 JNIEnv* env = AttachCurrentThread();
47 ScopedJavaLocalRef<jbyteArray> result =
48 Java_WindowAndroid_grabSnapshot(env, GetJavaObject().obj(),
49 content_x + content_offset_.x(),
50 content_y + content_offset_.y(),
54 base::android::JavaByteArrayToByteVector(
55 env, result.obj(), png_representation);
59 void WindowAndroid::OnCompositingDidCommit() {
60 FOR_EACH_OBSERVER(WindowAndroidObserver,
62 OnCompositingDidCommit());
65 void WindowAndroid::AddObserver(WindowAndroidObserver* observer) {
66 if (!observer_list_.HasObserver(observer))
67 observer_list_.AddObserver(observer);
70 void WindowAndroid::RemoveObserver(WindowAndroidObserver* observer) {
71 observer_list_.RemoveObserver(observer);
74 void WindowAndroid::AttachCompositor(WindowAndroidCompositor* compositor) {
75 if (compositor_ && compositor != compositor_)
78 compositor_ = compositor;
79 FOR_EACH_OBSERVER(WindowAndroidObserver,
81 OnAttachCompositor());
84 void WindowAndroid::DetachCompositor() {
86 FOR_EACH_OBSERVER(WindowAndroidObserver,
88 OnDetachCompositor());
89 observer_list_.Clear();
92 // ----------------------------------------------------------------------------
94 // ----------------------------------------------------------------------------
96 jlong Init(JNIEnv* env, jobject obj) {
97 WindowAndroid* window = new WindowAndroid(env, obj);
98 return reinterpret_cast<intptr_t>(window);