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// Copyright (c) 2012 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 "content/browser/android/content_view_render_view.h"
#include "base/android/jni_android.h"
#include "base/android/jni_string.h"
#include "base/android/scoped_java_ref.h"
#include "base/bind.h"
#include "base/lazy_instance.h"
#include "base/memory/scoped_ptr.h"
#include "base/message_loop/message_loop.h"
#include "cc/layers/layer.h"
#include "content/browser/android/content_view_core_impl.h"
#include "content/public/browser/android/compositor.h"
#include "content/public/browser/android/content_view_layer_renderer.h"
#include "content/public/browser/android/layer_tree_build_helper.h"
#include "jni/ContentViewRenderView_jni.h"
#include "ui/gfx/android/java_bitmap.h"
#include "ui/gfx/size.h"
#include <android/bitmap.h>
#include <android/native_window_jni.h>
using base::android::ScopedJavaLocalRef;
namespace content {
namespace {
class LayerTreeBuildHelperImpl : public LayerTreeBuildHelper {
public:
LayerTreeBuildHelperImpl() {}
virtual ~LayerTreeBuildHelperImpl() {}
virtual scoped_refptr<cc::Layer> GetLayerTree(
scoped_refptr<cc::Layer> content_root_layer) OVERRIDE {
return content_root_layer;
}
private:
DISALLOW_COPY_AND_ASSIGN(LayerTreeBuildHelperImpl);
};
} // anonymous namespace
// static
bool ContentViewRenderView::RegisterContentViewRenderView(JNIEnv* env) {
return RegisterNativesImpl(env);
}
ContentViewRenderView::ContentViewRenderView(JNIEnv* env,
jobject obj,
gfx::NativeWindow root_window)
: buffers_swapped_during_composite_(false),
layer_tree_build_helper_(new LayerTreeBuildHelperImpl()),
root_window_(root_window),
current_surface_format_(0) {
java_obj_.Reset(env, obj);
}
ContentViewRenderView::~ContentViewRenderView() {
}
void ContentViewRenderView::SetLayerTreeBuildHelper(JNIEnv* env,
jobject obj,
jlong native_build_helper) {
CHECK(native_build_helper);
LayerTreeBuildHelper* build_helper =
reinterpret_cast<LayerTreeBuildHelper*>(native_build_helper);
layer_tree_build_helper_.reset(build_helper);
}
// static
static jlong Init(JNIEnv* env,
jobject obj,
jlong native_root_window) {
gfx::NativeWindow root_window =
reinterpret_cast<gfx::NativeWindow>(native_root_window);
ContentViewRenderView* content_view_render_view =
new ContentViewRenderView(env, obj, root_window);
return reinterpret_cast<intptr_t>(content_view_render_view);
}
void ContentViewRenderView::Destroy(JNIEnv* env, jobject obj) {
delete this;
}
void ContentViewRenderView::SetCurrentContentViewCore(
JNIEnv* env, jobject obj, jlong native_content_view_core) {
InitCompositor();
ContentViewCoreImpl* content_view_core =
reinterpret_cast<ContentViewCoreImpl*>(native_content_view_core);
compositor_->SetRootLayer(content_view_core
? layer_tree_build_helper_->GetLayerTree(
content_view_core->GetLayer())
: scoped_refptr<cc::Layer>());
}
void ContentViewRenderView::SurfaceCreated(
JNIEnv* env, jobject obj) {
current_surface_format_ = 0;
InitCompositor();
}
void ContentViewRenderView::SurfaceDestroyed(JNIEnv* env, jobject obj) {
compositor_->SetSurface(NULL);
current_surface_format_ = 0;
}
void ContentViewRenderView::SurfaceChanged(JNIEnv* env, jobject obj,
jint format, jint width, jint height, jobject surface) {
if (current_surface_format_ != format) {
current_surface_format_ = format;
compositor_->SetSurface(surface);
}
compositor_->SetWindowBounds(gfx::Size(width, height));
}
jboolean ContentViewRenderView::Composite(JNIEnv* env, jobject obj) {
if (!compositor_)
return false;
buffers_swapped_during_composite_ = false;
compositor_->Composite();
return buffers_swapped_during_composite_;
}
jboolean ContentViewRenderView::CompositeToBitmap(JNIEnv* env, jobject obj,
jobject java_bitmap) {
gfx::JavaBitmap bitmap(java_bitmap);
if (!compositor_ || bitmap.format() != ANDROID_BITMAP_FORMAT_RGBA_8888)
return false;
return compositor_->CompositeAndReadback(bitmap.pixels(),
gfx::Rect(bitmap.size()));
}
void ContentViewRenderView::SetOverlayVideoMode(
JNIEnv* env, jobject obj, bool enabled) {
compositor_->SetHasTransparentBackground(enabled);
Java_ContentViewRenderView_requestRender(env, obj);
}
void ContentViewRenderView::ScheduleComposite() {
JNIEnv* env = base::android::AttachCurrentThread();
Java_ContentViewRenderView_requestRender(env, java_obj_.obj());
}
void ContentViewRenderView::OnSwapBuffersPosted() {
buffers_swapped_during_composite_ = true;
}
void ContentViewRenderView::OnSwapBuffersCompleted() {
JNIEnv* env = base::android::AttachCurrentThread();
Java_ContentViewRenderView_onSwapBuffersCompleted(env, java_obj_.obj());
}
void ContentViewRenderView::InitCompositor() {
if (!compositor_)
compositor_.reset(Compositor::Create(this, root_window_));
}
} // namespace content
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