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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 EXTENSIONS_BROWSER_API_HID_HID_DEVICE_MANAGER_H_
#define EXTENSIONS_BROWSER_API_HID_HID_DEVICE_MANAGER_H_
#include <stdint.h>
#include <map>
#include "base/basictypes.h"
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_ptr.h"
#include "base/threading/thread_checker.h"
#include "device/hid/hid_device_info.h"
#include "extensions/browser/browser_context_keyed_api_factory.h"
#include "extensions/common/api/hid.h"
namespace device {
class HidDeviceFilter;
}
namespace extensions {
class Extension;
class HidDeviceManager : public BrowserContextKeyedAPI {
public:
explicit HidDeviceManager(content::BrowserContext* context);
virtual ~HidDeviceManager();
// BrowserContextKeyedAPI implementation.
static BrowserContextKeyedAPIFactory<HidDeviceManager>* GetFactoryInstance();
// Convenience method to get the HidDeviceManager for a profile.
static HidDeviceManager* Get(content::BrowserContext* context) {
return BrowserContextKeyedAPIFactory<HidDeviceManager>::Get(context);
}
scoped_ptr<base::ListValue> GetApiDevices(
const Extension* extension,
const std::vector<device::HidDeviceFilter>& filters);
bool GetDeviceInfo(int resource_id, device::HidDeviceInfo* device_info);
bool HasPermission(const Extension* extension,
const device::HidDeviceInfo& device_info);
private:
friend class BrowserContextKeyedAPIFactory<HidDeviceManager>;
static const char* service_name() { return "HidDeviceManager"; }
void UpdateDevices();
base::ThreadChecker thread_checker_;
int next_resource_id_;
typedef std::map<int, device::HidDeviceId> ResourceIdToDeviceIdMap;
typedef std::map<device::HidDeviceId, int> DeviceIdToResourceIdMap;
ResourceIdToDeviceIdMap device_ids_;
DeviceIdToResourceIdMap resource_ids_;
DISALLOW_COPY_AND_ASSIGN(HidDeviceManager);
};
} // namespace extensions
#endif // EXTENSIONS_BROWSER_API_HID_HID_DEVICE_MANAGER_H_
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