chrome/browser/geolocation/geolocation_permission_context.h

// Copyright 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.

#ifndef CHROME_BROWSER_GEOLOCATION_GEOLOCATION_PERMISSION_CONTEXT_H_
#define CHROME_BROWSER_GEOLOCATION_GEOLOCATION_PERMISSION_CONTEXT_H_

#include "base/callback.h"
#include "chrome/browser/content_settings/permission_context_base.h"
#include "chrome/browser/geolocation/geolocation_permission_context_extensions.h"

namespace content {
class WebContents;
}

class PermissionRequestID;
class Profile;

class GeolocationPermissionContext  : public PermissionContextBase {
 public:
  explicit GeolocationPermissionContext(Profile* profile);
  virtual ~GeolocationPermissionContext();


  // In addition to the base class flow the geolocation permission request
  // checks that it is only code from valid iframes.
  // It also adds special logic when called through an extension.
  virtual void RequestPermission(content::WebContents* web_contents,
      const PermissionRequestID& id,
      const GURL& requesting_frame_origin,
      bool user_gesture,
      const BrowserPermissionCallback& callback) OVERRIDE;

  // Adds special logic when called through an extension.
  virtual void CancelPermissionRequest(content::WebContents* web_contents,
                                       const PermissionRequestID& id) OVERRIDE;

 private:
  virtual void UpdateTabContext(const PermissionRequestID& id,
                                const GURL& requesting_frame,
                                bool allowed) OVERRIDE;

  // This must only be accessed from the UI thread.
  GeolocationPermissionContextExtensions extensions_context_;

  DISALLOW_COPY_AND_ASSIGN(GeolocationPermissionContext);
};

#endif  // CHROME_BROWSER_GEOLOCATION_GEOLOCATION_PERMISSION_CONTEXT_H_