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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/shell/android/shell_manager.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.h"
#include "content/shell/shell.h"
#include "content/shell/shell_browser_context.h"
#include "content/shell/shell_content_browser_client.h"
#include "content/public/browser/android/compositor.h"
#include "content/public/browser/android/draw_delegate.h"
#include "content/public/browser/web_contents.h"
#include "content/shell/shell.h"
#include "googleurl/src/gurl.h"
#include "jni/ShellManager_jni.h"
#include "third_party/WebKit/Source/Platform/chromium/public/WebLayer.h"
#include "ui/gfx/size.h"
#include <android/native_window_jni.h>
using base::android::ScopedJavaLocalRef;
using content::Compositor;
using content::DrawDelegate;
namespace {
class CompositorClient : public Compositor::Client {
public:
virtual void ScheduleComposite() OVERRIDE;
};
struct GlobalState {
GlobalState()
: g_scheduled_composite(false) {}
base::android::ScopedJavaGlobalRef<jobject> j_obj;
CompositorClient client;
scoped_ptr<content::Compositor> compositor;
scoped_ptr<WebKit::WebLayer> root_layer;
bool g_scheduled_composite;
};
base::LazyInstance<GlobalState> g_global_state = LAZY_INSTANCE_INITIALIZER;
content::Compositor* GetCompositor() {
return g_global_state.Get().compositor.get();
}
void Composite() {
g_global_state.Get().g_scheduled_composite = false;
if (GetCompositor()) {
GetCompositor()->Composite();
}
}
void CompositorClient::ScheduleComposite() {
if (!g_global_state.Get().g_scheduled_composite) {
g_global_state.Get().g_scheduled_composite = true;
MessageLoop::current()->PostTask(FROM_HERE, base::Bind(&Composite));
}
}
} // anonymous namespace
namespace content {
jobject CreateShellView() {
JNIEnv* env = base::android::AttachCurrentThread();
if (!GetCompositor()) {
Compositor::Initialize();
g_global_state.Get().compositor.reset(Compositor::Create(
&g_global_state.Get().client));
DCHECK(!g_global_state.Get().root_layer.get());
g_global_state.Get().root_layer.reset(WebKit::WebLayer::create());
}
return Java_ShellManager_createShell(
env, g_global_state.Get().j_obj.obj()).Release();
}
// Register native methods
bool RegisterShellManager(JNIEnv* env) {
return RegisterNativesImpl(env);
}
static void Init(JNIEnv* env, jclass clazz, jobject obj) {
g_global_state.Get().j_obj.Reset(
base::android::ScopedJavaLocalRef<jobject>(env, obj));
}
static void SurfaceCreated(
JNIEnv* env, jclass clazz, jobject jsurface) {
ANativeWindow* native_window = ANativeWindow_fromSurface(env, jsurface);
if (native_window) {
GetCompositor()->SetWindowSurface(native_window);
ANativeWindow_release(native_window);
GetCompositor()->SetRootLayer(g_global_state.Get().root_layer.get());
}
}
static void SurfaceDestroyed(JNIEnv* env, jclass clazz) {
GetCompositor()->SetWindowSurface(NULL);
}
static void SurfaceSetSize(
JNIEnv* env, jclass clazz, jint width, jint height) {
gfx::Size size = gfx::Size(width, height);
DrawDelegate::GetInstance()->SetBounds(size);
GetCompositor()->SetWindowBounds(size);
}
void LaunchShell(JNIEnv* env, jclass clazz, jstring jurl) {
ShellBrowserContext* browserContext =
static_cast<ShellContentBrowserClient*>(
GetContentClient()->browser())->browser_context();
GURL url(base::android::ConvertJavaStringToUTF8(env, jurl));
Shell::CreateNewWindow(browserContext,
url,
NULL,
MSG_ROUTING_NONE,
NULL);
}
void ShellAttachLayer(WebKit::WebLayer* layer) {
g_global_state.Get().root_layer->addChild(layer);
}
void ShellRemoveLayer(WebKit::WebLayer* layer) {
layer->removeFromParent();
}
} // namespace content
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