content/browser/geolocation/geolocation_dispatcher_host.h

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CONTENT_BROWSER_GEOLOCATION_GEOLOCATION_DISPATCHER_HOST_H_
   6 #define CONTENT_BROWSER_GEOLOCATION_GEOLOCATION_DISPATCHER_HOST_H_
   7
   8 #include "content/public/browser/browser_message_filter.h"
   9
  10 namespace content {
  11
  12 class GeolocationPermissionContext;
  13
  14 // GeolocationDispatcherHost is a browser filter for Geolocation messages.
  15 // It's the complement of GeolocationDispatcher (owned by RenderView).
  16 class GeolocationDispatcherHost : public BrowserMessageFilter {
  17  public:
  18   static GeolocationDispatcherHost* New(
  19       int render_process_id,
  20       GeolocationPermissionContext* geolocation_permission_context);
  21
  22   // Pause or resumes geolocation for the given |render_view_id|. Should
  23   // be called on the IO thread. Resuming when nothing is paused is a no-op.
  24   // If a renderer is paused while not currently using geolocation but
  25   // then goes on to do so before being resumed, then that renderer will
  26   // not get geolocation updates until it is resumed.
  27   virtual void PauseOrResume(int render_view_id, bool should_pause) = 0;
  28
  29  protected:
  30   GeolocationDispatcherHost();
  31   virtual ~GeolocationDispatcherHost();
  32
  33   DISALLOW_COPY_AND_ASSIGN(GeolocationDispatcherHost);
  34 };
  35
  36 }  // namespace content
  37
  38 #endif  // CONTENT_BROWSER_GEOLOCATION_GEOLOCATION_DISPATCHER_HOST_H_