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 bool WindowAndroid::GrabSnapshot(
41 int content_x, int content_y, int width, int height,
42 std::vector<unsigned char>* png_representation) {
43 JNIEnv* env = AttachCurrentThread();
44 ScopedJavaLocalRef<jbyteArray> result =
45 Java_WindowAndroid_grabSnapshot(env, GetJavaObject().obj(),
46 content_x + content_offset_.x(),
47 content_y + content_offset_.y(),
51 base::android::JavaByteArrayToByteVector(
52 env, result.obj(), png_representation);
56 void WindowAndroid::OnCompositingDidCommit() {
57 FOR_EACH_OBSERVER(WindowAndroidObserver,
59 OnCompositingDidCommit());
62 void WindowAndroid::AddObserver(WindowAndroidObserver* observer) {
63 if (!observer_list_.HasObserver(observer))
64 observer_list_.AddObserver(observer);
67 void WindowAndroid::RemoveObserver(WindowAndroidObserver* observer) {
68 observer_list_.RemoveObserver(observer);
71 void WindowAndroid::AttachCompositor(WindowAndroidCompositor* compositor) {
72 if (compositor_ && compositor != compositor_)
75 compositor_ = compositor;
76 FOR_EACH_OBSERVER(WindowAndroidObserver,
78 OnAttachCompositor());
81 void WindowAndroid::DetachCompositor() {
83 FOR_EACH_OBSERVER(WindowAndroidObserver,
85 OnDetachCompositor());
86 observer_list_.Clear();
89 // ----------------------------------------------------------------------------
91 // ----------------------------------------------------------------------------
93 jlong Init(JNIEnv* env, jobject obj) {
94 WindowAndroid* window = new WindowAndroid(env, obj);
95 return reinterpret_cast<intptr_t>(window);