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_weak_ref.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, jlong vsync_period)
21 : weak_java_window_(env, obj),
23 vsync_period_(base::TimeDelta::FromInternalValue(vsync_period)) {
26 void WindowAndroid::Destroy(JNIEnv* env, jobject obj) {
30 ScopedJavaLocalRef<jobject> WindowAndroid::GetJavaObject() {
31 return weak_java_window_.get(AttachCurrentThread());
34 bool WindowAndroid::RegisterWindowAndroid(JNIEnv* env) {
35 return RegisterNativesImpl(env);
38 WindowAndroid::~WindowAndroid() {
41 WindowAndroidObserver, observer_list_, OnWillDestroyWindow());
44 bool WindowAndroid::GrabSnapshot(
45 int content_x, int content_y, int width, int height,
46 std::vector<unsigned char>* png_representation) {
47 JNIEnv* env = AttachCurrentThread();
48 ScopedJavaLocalRef<jbyteArray> result =
49 Java_WindowAndroid_grabSnapshot(env, GetJavaObject().obj(),
50 content_x + content_offset_.x(),
51 content_y + content_offset_.y(),
55 base::android::JavaByteArrayToByteVector(
56 env, result.obj(), png_representation);
60 void WindowAndroid::OnCompositingDidCommit() {
61 FOR_EACH_OBSERVER(WindowAndroidObserver,
63 OnCompositingDidCommit());
66 void WindowAndroid::AddObserver(WindowAndroidObserver* observer) {
67 if (!observer_list_.HasObserver(observer))
68 observer_list_.AddObserver(observer);
71 void WindowAndroid::RemoveObserver(WindowAndroidObserver* observer) {
72 observer_list_.RemoveObserver(observer);
75 void WindowAndroid::AttachCompositor(WindowAndroidCompositor* compositor) {
76 if (compositor_ && compositor != compositor_)
79 compositor_ = compositor;
80 FOR_EACH_OBSERVER(WindowAndroidObserver,
82 OnAttachCompositor());
85 void WindowAndroid::DetachCompositor() {
87 FOR_EACH_OBSERVER(WindowAndroidObserver,
89 OnDetachCompositor());
90 observer_list_.Clear();
93 void WindowAndroid::RequestVSyncUpdate() {
94 JNIEnv* env = AttachCurrentThread();
95 Java_WindowAndroid_requestVSyncUpdate(env, GetJavaObject().obj());
98 void WindowAndroid::OnVSync(JNIEnv* env, jobject obj, jlong time_micros) {
100 WindowAndroidObserver,
102 OnVSync(base::TimeTicks::FromInternalValue(time_micros), vsync_period_));
105 // ----------------------------------------------------------------------------
106 // Native JNI methods
107 // ----------------------------------------------------------------------------
109 jlong Init(JNIEnv* env, jobject obj, jlong vsync_period) {
110 WindowAndroid* window = new WindowAndroid(env, obj, vsync_period);
111 return reinterpret_cast<intptr_t>(window);