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// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/base/android/window_android.h"
#include "base/android/jni_android.h"
#include "base/android/jni_array.h"
#include "base/android/jni_weak_ref.h"
#include "base/android/scoped_java_ref.h"
#include "jni/WindowAndroid_jni.h"
#include "ui/base/android/window_android_compositor.h"
#include "ui/base/android/window_android_observer.h"
namespace ui {
using base::android::AttachCurrentThread;
using base::android::ScopedJavaLocalRef;
WindowAndroid::WindowAndroid(JNIEnv* env, jobject obj)
: weak_java_window_(env, obj),
compositor_(NULL) {
}
void WindowAndroid::Destroy(JNIEnv* env, jobject obj) {
delete this;
}
ScopedJavaLocalRef<jobject> WindowAndroid::GetJavaObject() {
return weak_java_window_.get(AttachCurrentThread());
}
bool WindowAndroid::RegisterWindowAndroid(JNIEnv* env) {
return RegisterNativesImpl(env);
}
WindowAndroid::~WindowAndroid() {
DCHECK(!compositor_);
FOR_EACH_OBSERVER(
WindowAndroidObserver, observer_list_, OnWillDestroyWindow());
}
bool WindowAndroid::GrabSnapshot(
int content_x, int content_y, int width, int height,
std::vector<unsigned char>* png_representation) {
JNIEnv* env = AttachCurrentThread();
ScopedJavaLocalRef<jbyteArray> result =
Java_WindowAndroid_grabSnapshot(env, GetJavaObject().obj(),
content_x + content_offset_.x(),
content_y + content_offset_.y(),
width, height);
if (result.is_null())
return false;
base::android::JavaByteArrayToByteVector(
env, result.obj(), png_representation);
return true;
}
void WindowAndroid::OnCompositingDidCommit() {
FOR_EACH_OBSERVER(WindowAndroidObserver,
observer_list_,
OnCompositingDidCommit());
}
void WindowAndroid::AddObserver(WindowAndroidObserver* observer) {
if (!observer_list_.HasObserver(observer))
observer_list_.AddObserver(observer);
}
void WindowAndroid::RemoveObserver(WindowAndroidObserver* observer) {
observer_list_.RemoveObserver(observer);
}
void WindowAndroid::AttachCompositor(WindowAndroidCompositor* compositor) {
if (compositor_ && compositor != compositor_)
DetachCompositor();
compositor_ = compositor;
FOR_EACH_OBSERVER(WindowAndroidObserver,
observer_list_,
OnAttachCompositor());
}
void WindowAndroid::DetachCompositor() {
compositor_ = NULL;
FOR_EACH_OBSERVER(WindowAndroidObserver,
observer_list_,
OnDetachCompositor());
observer_list_.Clear();
}
// ----------------------------------------------------------------------------
// Native JNI methods
// ----------------------------------------------------------------------------
jlong Init(JNIEnv* env, jobject obj) {
WindowAndroid* window = new WindowAndroid(env, obj);
return reinterpret_cast<intptr_t>(window);
}
} // namespace ui
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