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// Copyright 2013 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 CHROME_BROWSER_EXTENSIONS_EXTENSION_WEB_CONTENTS_OBSERVER_H_
#define CHROME_BROWSER_EXTENSIONS_EXTENSION_WEB_CONTENTS_OBSERVER_H_
#include "base/basictypes.h"
#include "base/strings/string16.h"
#include "content/public/browser/web_contents_observer.h"
#include "content/public/browser/web_contents_user_data.h"
#include "extensions/common/stack_frame.h"
namespace content {
class BrowserContext;
}
namespace extensions {
class Extension;
struct Message;
// A web contents observer that's used for WebContents in renderer and extension
// processes. Grants the renderer access to certain URL patterns for extensions,
// notifies the renderer that the extension was loaded and routes messages to
// the MessageService.
class ExtensionWebContentsObserver
: public content::WebContentsObserver,
public content::WebContentsUserData<ExtensionWebContentsObserver> {
public:
virtual ~ExtensionWebContentsObserver();
private:
explicit ExtensionWebContentsObserver(content::WebContents* web_contents);
friend class content::WebContentsUserData<ExtensionWebContentsObserver>;
// content::WebContentsObserver overrides.
virtual void RenderViewCreated(
content::RenderViewHost* render_view_host) OVERRIDE;
virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
void OnPostMessage(int port_id, const Message& message);
void OnDetailedConsoleMessageAdded(const base::string16& message,
const base::string16& source,
const StackTrace& stack_trace,
int32 severity_level);
// Gets the extension or app (if any) that is associated with a RVH.
const Extension* GetExtension(content::RenderViewHost* render_view_host);
// The browser context for the web contents this is observing.
content::BrowserContext* browser_context_;
DISALLOW_COPY_AND_ASSIGN(ExtensionWebContentsObserver);
};
} // namespace extensions
#endif // CHROME_BROWSER_EXTENSIONS_EXTENSION_WEB_CONTENTS_OBSERVER_H_
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