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// Copyright 2014 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 CONTENT_CHILD_GEOFENCING_GEOFENCING_DISPATCHER_H_
#define CONTENT_CHILD_GEOFENCING_GEOFENCING_DISPATCHER_H_
#include "base/id_map.h"
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_ptr.h"
#include "content/child/worker_task_runner.h"
#include "content/common/geofencing_status.h"
#include "third_party/WebKit/public/platform/WebGeofencingProvider.h"
namespace base {
class MessageLoop;
class TaskRunner;
}
namespace IPC {
class Message;
}
namespace content {
class ThreadSafeSender;
class GeofencingDispatcher : public WorkerTaskRunner::Observer {
public:
explicit GeofencingDispatcher(ThreadSafeSender* sender);
virtual ~GeofencingDispatcher();
bool Send(IPC::Message* msg);
void OnMessageReceived(const IPC::Message& msg);
// Corresponding to WebGeofencingProvider methods.
void RegisterRegion(const blink::WebString& region_id,
const blink::WebCircularGeofencingRegion& region,
blink::WebGeofencingCallbacks* callbacks);
void UnregisterRegion(const blink::WebString& region_id,
blink::WebGeofencingCallbacks* callbacks);
void GetRegisteredRegions(blink::WebGeofencingRegionsCallbacks* callbacks);
// |thread_safe_sender| needs to be passed in because if the call leads to
// construction it will be needed.
static GeofencingDispatcher* GetOrCreateThreadSpecificInstance(
ThreadSafeSender* thread_safe_sender);
// Unlike GetOrCreateThreadSpecificInstance() this doesn't create a new
// instance if thread-local instance doesn't exist.
static GeofencingDispatcher* GetThreadSpecificInstance();
private:
void OnRegisterRegionComplete(int thread_id,
int request_id,
GeofencingStatus status);
void OnUnregisterRegionComplete(int thread_id,
int request_id,
GeofencingStatus status);
void OnGetRegisteredRegionsComplete(
int thread_id,
int request_id,
GeofencingStatus status,
const std::map<std::string, blink::WebCircularGeofencingRegion>& regions);
// WorkerTaskRunner::Observer implementation.
virtual void OnWorkerRunLoopStopped() override;
scoped_refptr<ThreadSafeSender> thread_safe_sender_;
IDMap<blink::WebGeofencingCallbacks, IDMapOwnPointer>
region_registration_requests_;
IDMap<blink::WebGeofencingCallbacks, IDMapOwnPointer>
region_unregistration_requests_;
IDMap<blink::WebGeofencingRegionsCallbacks, IDMapOwnPointer>
get_registered_regions_requests_;
DISALLOW_COPY_AND_ASSIGN(GeofencingDispatcher);
};
} // namespace content
#endif // CONTENT_CHILD_GEOFENCING_GEOFENCING_DISPATCHER_H_
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