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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_LOCATION_PROVIDER_POOL_H_
#define CHROME_BROWSER_GEOLOCATION_LOCATION_PROVIDER_POOL_H_
// TODO(joth): port to chromium
#if 0
#include <map>
#include "gears/base/common/common.h"
#include "gears/base/common/mutex.h"
#include "gears/base/common/scoped_refptr.h" // For RefCount
#include "gears/base/common/string16.h"
#include "gears/geolocation/location_provider.h"
class LocationProviderPool {
public:
LocationProviderPool();
~LocationProviderPool();
static LocationProviderPool *GetInstance();
// Registers a listener with a given type of location provider. Creates the
// provider if the pool does not alrerady contain an instance of that
// provider. Returns the provider, or NULL if it cannot be created.
LocationProviderBase* Register(
BrowsingContext* browsing_context,
const string16& type,
const string16& url,
const string16& host,
bool request_address,
const string16& language,
LocationProviderBase::ListenerInterface *listener);
// Unregister a listener from a given location provider. Deletes the provider
// if there are no remaining listeners registered with it. Return value
// indicates whether the provider was found in the pool.
bool Unregister(LocationProviderBase* provider,
LocationProviderBase::ListenerInterface* listener);
// Configures the pool to return a mock location provider for the type "MOCK".
// This method is used only by the Gears test object.
void UseMockLocationProvider(bool use_mock_location_provider);
LocationProviderBase *NewProvider(BrowsingContext* browsing_context,
const string16& type,
const string16& url,
const string16& host,
const string16& language);
private:
static LocationProviderPool instance_;
typedef std::pair<LocationProviderBase*, RefCount*> ProviderPair;
typedef std::map<string16, ProviderPair> ProviderMap;
ProviderMap providers_;
Mutex providers_mutex_;
bool use_mock_location_provider_;
DISALLOW_EVIL_CONSTRUCTORS(LocationProviderPool);
};
#endif // if 0
#endif // CHROME_BROWSER_GEOLOCATION_LOCATION_PROVIDER_POOL_H_
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