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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 "extensions/renderer/app_window_custom_bindings.h"
#include <string>
#include "base/command_line.h"
#include "content/public/renderer/render_thread.h"
#include "content/public/renderer/render_view.h"
#include "content/public/renderer/render_view_observer.h"
#include "content/public/renderer/render_view_visitor.h"
#include "content/public/renderer/v8_value_converter.h"
#include "extensions/common/extension_messages.h"
#include "extensions/common/switches.h"
#include "extensions/renderer/dispatcher.h"
#include "extensions/renderer/scoped_persistent.h"
#include "extensions/renderer/script_context.h"
#include "extensions/renderer/script_context_set.h"
#include "grit/extensions_renderer_resources.h"
#include "third_party/WebKit/public/web/WebLocalFrame.h"
#include "third_party/WebKit/public/web/WebView.h"
#include "ui/base/resource/resource_bundle.h"
#include "v8/include/v8.h"
namespace extensions {
class DidCreateDocumentElementObserver : public content::RenderViewObserver {
public:
DidCreateDocumentElementObserver(content::RenderView* view,
Dispatcher* dispatcher)
: content::RenderViewObserver(view), dispatcher_(dispatcher) {}
virtual void DidCreateDocumentElement(blink::WebLocalFrame* frame) override {
DCHECK(frame);
DCHECK(dispatcher_);
// Don't attempt to inject the titlebar into iframes.
if (frame->parent())
return;
v8::HandleScope handle_scope(v8::Isolate::GetCurrent());
ScriptContext* script_context =
dispatcher_->script_context_set().GetByV8Context(
frame->mainWorldScriptContext());
if (!script_context)
return;
v8::Context::Scope context_scope(script_context->v8_context());
script_context->module_system()->CallModuleMethod(
"injectAppTitlebar", "didCreateDocumentElement");
}
private:
Dispatcher* dispatcher_;
};
AppWindowCustomBindings::AppWindowCustomBindings(Dispatcher* dispatcher,
ScriptContext* context)
: ObjectBackedNativeHandler(context), dispatcher_(dispatcher) {
RouteFunction("GetView",
base::Bind(&AppWindowCustomBindings::GetView,
base::Unretained(this)));
RouteFunction("GetWindowControlsHtmlTemplate",
base::Bind(&AppWindowCustomBindings::GetWindowControlsHtmlTemplate,
base::Unretained(this)));
}
void AppWindowCustomBindings::GetView(
const v8::FunctionCallbackInfo<v8::Value>& args) {
// TODO(jeremya): convert this to IDL nocompile to get validation, and turn
// these argument checks into CHECK().
if (args.Length() != 2)
return;
if (!args[0]->IsInt32())
return;
if (!args[1]->IsBoolean())
return;
int view_id = args[0]->Int32Value();
bool inject_titlebar = args[1]->BooleanValue();
if (view_id == MSG_ROUTING_NONE)
return;
content::RenderView* view = content::RenderView::FromRoutingID(view_id);
if (!view)
return;
if (inject_titlebar)
new DidCreateDocumentElementObserver(view, dispatcher_);
// TODO(jeremya): it doesn't really make sense to set the opener here, but we
// need to make sure the security origin is set up before returning the DOM
// reference. A better way to do this would be to have the browser pass the
// opener through so opener_id is set in RenderViewImpl's constructor.
content::RenderView* render_view = context()->GetRenderView();
if (!render_view)
return;
blink::WebFrame* opener = render_view->GetWebView()->mainFrame();
blink::WebFrame* frame = view->GetWebView()->mainFrame();
frame->setOpener(opener);
content::RenderThread::Get()->Send(
new ExtensionHostMsg_ResumeRequests(view->GetRoutingID()));
v8::Local<v8::Value> window = frame->mainWorldScriptContext()->Global();
args.GetReturnValue().Set(window);
}
void AppWindowCustomBindings::GetWindowControlsHtmlTemplate(
const v8::FunctionCallbackInfo<v8::Value>& args) {
CHECK_EQ(args.Length(), 0);
v8::Handle<v8::Value> result = v8::String::Empty(args.GetIsolate());
if (CommandLine::ForCurrentProcess()->HasSwitch(
switches::kEnableAppWindowControls)) {
base::StringValue value(
ResourceBundle::GetSharedInstance()
.GetRawDataResource(IDR_WINDOW_CONTROLS_TEMPLATE_HTML)
.as_string());
scoped_ptr<content::V8ValueConverter> converter(
content::V8ValueConverter::create());
result = converter->ToV8Value(&value, context()->v8_context());
}
args.GetReturnValue().Set(result);
}
} // namespace extensions
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