cef/libcef/renderer/content_renderer_client.h

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// Copyright (c) 2013 The Chromium Embedded Framework Authors.
// Portions copyright (c) 2011 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.
#ifndef CEF_LIBCEF_RENDERER_CONTENT_RENDERER_CLIENT_H_
#define CEF_LIBCEF_RENDERER_CONTENT_RENDERER_CLIENT_H_
#pragma once
#include <list>
#include <map>
#include <string>
#include <vector>
#include "libcef/renderer/browser_impl.h"
#include "base/compiler_specific.h"
#include "base/memory/scoped_ptr.h"
#include "base/message_loop/message_loop.h"
#include "base/sequenced_task_runner.h"
#include "content/public/renderer/content_renderer_client.h"
class CefRenderProcessObserver;
struct Cef_CrossOriginWhiteListEntry_Params;
class CefContentRendererClient : public content::ContentRendererClient,
public base::MessageLoop::DestructionObserver {
public:
CefContentRendererClient();
virtual ~CefContentRendererClient();
// Returns the singleton CefContentRendererClient instance.
static CefContentRendererClient* Get();
// Returns the browser associated with the specified RenderView.
CefRefPtr<CefBrowserImpl> GetBrowserForView(content::RenderView* view);
// Returns the browser associated with the specified main WebFrame.
CefRefPtr<CefBrowserImpl> GetBrowserForMainFrame(blink::WebFrame* frame);
// Called from CefBrowserImpl::OnDestruct().
void OnBrowserDestroyed(CefBrowserImpl* browser);
// Render thread task runner.
base::SequencedTaskRunner* render_task_runner() const {
return render_task_runner_.get();
}
int uncaught_exception_stack_size() const {
return uncaught_exception_stack_size_;
}
void WebKitInitialized();
void OnRenderProcessShutdown();
void DevToolsAgentAttached();
void DevToolsAgentDetached();
// Returns the task runner for the current thread. If this is a WebWorker
// thread and the task runner does not already exist it will be created.
// Returns NULL if the current thread is not a valid render process thread.
scoped_refptr<base::SequencedTaskRunner> GetCurrentTaskRunner();
// Returns the task runner for the specified worker ID or NULL if the
// specified worker ID is not valid.
scoped_refptr<base::SequencedTaskRunner> GetWorkerTaskRunner(int worker_id);
// Remove the task runner associated with the specified worker ID.
void RemoveWorkerTaskRunner(int worker_id);
// Perform cleanup work that needs to occur before shutdown when running in
// single-process mode. Blocks until cleanup is complete.
void RunSingleProcessCleanup();
private:
// ContentRendererClient implementation.
virtual void RenderThreadStarted() OVERRIDE;
virtual void RenderFrameCreated(content::RenderFrame* render_frame) OVERRIDE;
virtual void RenderViewCreated(content::RenderView* render_view) OVERRIDE;
virtual bool OverrideCreatePlugin(
content::RenderFrame* render_frame,
blink::WebFrame* frame,
const blink::WebPluginParams& params,
blink::WebPlugin** plugin) OVERRIDE;
virtual bool HandleNavigation(content::RenderFrame* render_frame,
content::DocumentState* document_state,
int opener_id,
blink::WebFrame* frame,
const blink::WebURLRequest& request,
blink::WebNavigationType type,
blink::WebNavigationPolicy default_policy,
bool is_redirect) OVERRIDE;
virtual void DidCreateScriptContext(blink::WebFrame* frame,
v8::Handle<v8::Context> context,
int extension_group,
int world_id) OVERRIDE;
virtual void WillReleaseScriptContext(blink::WebFrame* frame,
v8::Handle<v8::Context> context,
int world_id) OVERRIDE;
// MessageLoop::DestructionObserver implementation.
virtual void WillDestroyCurrentMessageLoop() OVERRIDE;
void BrowserCreated(content::RenderView* render_view,
content::RenderFrame* render_frame);
// Perform cleanup work for single-process mode.
void RunSingleProcessCleanupOnUIThread();
scoped_refptr<base::SequencedTaskRunner> render_task_runner_;
scoped_ptr<CefRenderProcessObserver> observer_;
// Map of RenderView pointers to CefBrowserImpl references.
typedef std::map<content::RenderView*, CefRefPtr<CefBrowserImpl> > BrowserMap;
BrowserMap browsers_;
// Cross-origin white list entries that need to be registered with WebKit.
typedef std::vector<Cef_CrossOriginWhiteListEntry_Params> CrossOriginList;
CrossOriginList cross_origin_whitelist_entries_;
int devtools_agent_count_;
int uncaught_exception_stack_size_;
// Map of worker thread IDs to task runners. Access must be protected by
// |worker_task_runner_lock_|.
typedef std::map<int, scoped_refptr<base::SequencedTaskRunner> >
WorkerTaskRunnerMap;
WorkerTaskRunnerMap worker_task_runner_map_;
base::Lock worker_task_runner_lock_;
// Used in single-process mode to test when cleanup is complete.
// Access must be protected by |single_process_cleanup_lock_|.
bool single_process_cleanup_complete_;
base::Lock single_process_cleanup_lock_;
};
#endif // CEF_LIBCEF_RENDERER_CONTENT_RENDERER_CLIENT_H_