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// Copyright (c) 2010 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_
#pragma once
#include "base/basictypes.h"
#include "base/ref_counted.h"
#include "base/scoped_ptr.h"
class GeolocationDispatcherHost;
class GeolocationInfoBarQueueController;
class GeolocationPermissionContext;
class GURL;
class InfoBarDelegate;
class Profile;
class RenderViewHost;
class TabContents;
// GeolocationPermissionContext manages Geolocation permissions flow,
// and delegates UI handling via GeolocationInfoBarQueueController.
// It always notifies the requesting render_view asynchronously via
// ViewMsg_Geolocation_PermissionSet.
class GeolocationPermissionContext
: public base::RefCountedThreadSafe<GeolocationPermissionContext> {
public:
explicit GeolocationPermissionContext(Profile* profile);
// The render is requesting permission to use Geolocation.
// Response will be sent asynchronously as ViewMsg_Geolocation_PermissionSet.
void RequestGeolocationPermission(
int render_process_id, int render_view_id, int bridge_id,
const GURL& requesting_frame);
// The render is cancelling a pending permission request.
void CancelGeolocationPermissionRequest(
int render_process_id, int render_view_id, int bridge_id,
const GURL& requesting_frame);
// Notifies whether or not the corresponding bridge is allowed to use
// geolocation via ViewMsg_Geolocation_PermissionSet.
void NotifyPermissionSet(
int render_process_id, int render_view_id, int bridge_id,
const GURL& requesting_frame, bool allowed);
// Called when a geolocation object wants to start receiving location updates.
// This also applies global policy around which location providers may be
// enbaled at a given time (e.g. prior to the user agreeing to any geolocation
// permission requests).
void StartUpdatingRequested(
int render_process_id, int render_view_id, int bridge_id,
const GURL& requesting_frame);
// Called when a geolocation object has stopped. Because we are
// short-circuiting permission request (see StartUpdatingRequested above), we
// cancel any pending permission in here, since WebKit doesn't know about the
// pending permission request and will never call
// CancelGeolocationPermissionRequest().
void StopUpdatingRequested(
int render_process_id, int render_view_id, int bridge_id);
private:
friend class base::RefCountedThreadSafe<GeolocationPermissionContext>;
virtual ~GeolocationPermissionContext();
// Calls GeolocationArbitrator::OnPermissionGranted.
void NotifyArbitratorPermissionGranted(const GURL& requesting_frame);
// Removes any pending InfoBar request.
void CancelPendingInfoBarRequest(
int render_process_id, int render_view_id, int bridge_id);
// This should only be accessed from the UI thread.
Profile* const profile_;
scoped_ptr<GeolocationInfoBarQueueController>
geolocation_infobar_queue_controller_;
DISALLOW_COPY_AND_ASSIGN(GeolocationPermissionContext);
};
#endif // CHROME_BROWSER_GEOLOCATION_GEOLOCATION_PERMISSION_CONTEXT_H_
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