blob: e8bda4026d687001276f562ea5b254ef0a6e64d7 [file] [log] [blame]
// Copyright (c) 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.
#include <map>
#include <vector>
#include "base/callback_forward.h"
#include "base/memory/weak_ptr.h"
#include "content/browser/geolocation/geolocation_provider_impl.h"
#include "content/public/browser/web_contents_observer.h"
class GURL;
namespace content {
// GeolocationDispatcherHost is an observer for Geolocation messages.
// It's the complement of GeolocationDispatcher (owned by RenderView).
class GeolocationDispatcherHost : public WebContentsObserver {
explicit GeolocationDispatcherHost(WebContents* web_contents);
virtual ~GeolocationDispatcherHost();
// Pause or resumes geolocation. Resuming when nothing is paused is a no-op.
// If the web contents is paused while not currently using geolocation but
// then goes on to do so before being resumed, then it will not get
// geolocation updates until it is resumed.
void PauseOrResume(bool should_pause);
// WebContentsObserver
virtual void RenderFrameDeleted(RenderFrameHost* render_frame_host) OVERRIDE;
virtual void RenderViewHostChanged(RenderViewHost* old_host,
RenderViewHost* new_host) OVERRIDE;
virtual bool OnMessageReceived(
const IPC::Message& msg, RenderFrameHost* render_frame_host) OVERRIDE;
// Message handlers:
void OnRequestPermission(RenderFrameHost* render_frame_host,
int bridge_id,
const GURL& requesting_frame,
bool user_gesture);
void OnCancelPermissionRequest(RenderFrameHost* render_frame_host,
int bridge_id,
const GURL& requesting_frame);
void OnStartUpdating(RenderFrameHost* render_frame_host,
const GURL& requesting_frame,
bool enable_high_accuracy);
void OnStopUpdating(RenderFrameHost* render_frame_host);
// Updates the geolocation provider with the currently required update
// options.
void RefreshGeolocationOptions();
void OnLocationUpdate(const Geoposition& position);
void SendGeolocationPermissionResponse(int render_process_id,
int render_frame_id,
int bridge_id,
bool allowed);
// A map from the RenderFrameHosts that have requested geolocation updates to
// the type of accuracy they requested (true = high accuracy).
std::map<RenderFrameHost*, bool> updating_frames_;
bool paused_;
struct PendingPermission {
PendingPermission(int render_frame_id,
int render_process_id,
int bridge_id);
int render_frame_id;
int render_process_id;
int bridge_id;
base::Closure cancel;
std::vector<PendingPermission> pending_permissions_;
scoped_ptr<GeolocationProvider::Subscription> geolocation_subscription_;
base::WeakPtrFactory<GeolocationDispatcherHost> weak_factory_;
} // namespace content