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// Copyright 2014 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/shell/renderer/shell_content_renderer_client.h"
#include "content/public/common/content_constants.h"
#include "content/public/renderer/render_frame.h"
#include "content/public/renderer/render_frame_observer.h"
#include "content/public/renderer/render_frame_observer_tracker.h"
#include "content/public/renderer/render_thread.h"
#include "extensions/common/extensions_client.h"
#include "extensions/renderer/dispatcher.h"
#include "extensions/renderer/dispatcher_delegate.h"
#include "extensions/renderer/extension_frame_helper.h"
#include "extensions/renderer/extension_helper.h"
#include "extensions/renderer/guest_view/extensions_guest_view_container.h"
#include "extensions/renderer/guest_view/extensions_guest_view_container_dispatcher.h"
#include "extensions/renderer/guest_view/mime_handler_view/mime_handler_view_container.h"
#include "extensions/shell/common/shell_extensions_client.h"
#include "extensions/shell/renderer/shell_extensions_renderer_client.h"
#include "third_party/WebKit/public/web/WebLocalFrame.h"
#if !defined(DISABLE_NACL)
#include "components/nacl/common/nacl_constants.h"
#include "components/nacl/renderer/nacl_helper.h"
#endif
using blink::WebFrame;
using blink::WebString;
using content::RenderThread;
namespace extensions {
ShellContentRendererClient::ShellContentRendererClient() {
}
ShellContentRendererClient::~ShellContentRendererClient() {
}
void ShellContentRendererClient::RenderThreadStarted() {
RenderThread* thread = RenderThread::Get();
extensions_client_.reset(CreateExtensionsClient());
ExtensionsClient::Set(extensions_client_.get());
extensions_renderer_client_.reset(new ShellExtensionsRendererClient);
ExtensionsRendererClient::Set(extensions_renderer_client_.get());
extension_dispatcher_delegate_.reset(new DispatcherDelegate());
// Must be initialized after ExtensionsRendererClient.
extension_dispatcher_.reset(
new Dispatcher(extension_dispatcher_delegate_.get()));
thread->AddObserver(extension_dispatcher_.get());
guest_view_container_dispatcher_.reset(
new ExtensionsGuestViewContainerDispatcher());
thread->AddObserver(guest_view_container_dispatcher_.get());
}
void ShellContentRendererClient::RenderFrameCreated(
content::RenderFrame* render_frame) {
// ExtensionFrameHelper destroys itself when the RenderFrame is destroyed.
new ExtensionFrameHelper(render_frame, extension_dispatcher_.get());
extension_dispatcher_->OnRenderFrameCreated(render_frame);
// TODO(jamescook): Do we need to add a new PepperHelper(render_frame) here?
// It doesn't seem necessary for either Pepper or NaCl.
// http://crbug.com/403004
#if !defined(DISABLE_NACL)
new nacl::NaClHelper(render_frame);
#endif
}
void ShellContentRendererClient::RenderViewCreated(
content::RenderView* render_view) {
new ExtensionHelper(render_view, extension_dispatcher_.get());
}
bool ShellContentRendererClient::OverrideCreatePlugin(
content::RenderFrame* render_frame,
blink::WebLocalFrame* frame,
const blink::WebPluginParams& params,
blink::WebPlugin** plugin) {
// Allow the content module to create the plugin.
return false;
}
blink::WebPlugin* ShellContentRendererClient::CreatePluginReplacement(
content::RenderFrame* render_frame,
const base::FilePath& plugin_path) {
// Don't provide a custom "failed to load" plugin.
return NULL;
}
bool ShellContentRendererClient::WillSendRequest(
blink::WebLocalFrame* frame,
ui::PageTransition transition_type,
const blink::WebURL& url,
GURL* new_url) {
// TODO(jamescook): Cause an error for bad extension scheme requests?
return false;
}
bool ShellContentRendererClient::IsExternalPepperPlugin(
const std::string& module_name) {
#if !defined(DISABLE_NACL)
// TODO(bbudge) remove this when the trusted NaCl plugin has been removed.
// We must defer certain plugin events for NaCl instances since we switch
// from the in-process to the out-of-process proxy after instantiating them.
return module_name == nacl::kNaClPluginName;
#else
return false;
#endif
}
bool ShellContentRendererClient::ShouldGatherSiteIsolationStats() const {
return false;
}
content::BrowserPluginDelegate*
ShellContentRendererClient::CreateBrowserPluginDelegate(
content::RenderFrame* render_frame,
const std::string& mime_type,
const GURL& original_url) {
if (mime_type == content::kBrowserPluginMimeType) {
return new extensions::ExtensionsGuestViewContainer(render_frame);
} else {
return new extensions::MimeHandlerViewContainer(
render_frame, mime_type, original_url);
}
}
void ShellContentRendererClient::RunScriptsAtDocumentStart(
content::RenderFrame* render_frame) {
extension_dispatcher_->RunScriptsAtDocumentStart(render_frame);
}
void ShellContentRendererClient::RunScriptsAtDocumentEnd(
content::RenderFrame* render_frame) {
extension_dispatcher_->RunScriptsAtDocumentEnd(render_frame);
}
ExtensionsClient* ShellContentRendererClient::CreateExtensionsClient() {
return new ShellExtensionsClient;
}
} // namespace extensions
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