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// Copyright 2013 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_EXTENSIONS_API_SYSTEM_DISPLAY_DISPLAY_INFO_PROVIDER_H_
#define CHROME_BROWSER_EXTENSIONS_API_SYSTEM_DISPLAY_DISPLAY_INFO_PROVIDER_H_
#include <string>
#include <vector>
#include "chrome/common/extensions/api/system_display.h"
namespace gfx {
class Display;
}
namespace extensions {
typedef std::vector<linked_ptr<
api::system_display::DisplayUnitInfo> > DisplayInfo;
class DisplayInfoProvider {
public :
static DisplayInfoProvider* Get();
DisplayInfoProvider();
virtual ~DisplayInfoProvider();
// This is for tests that run in its own process (e.g. browser_tests).
// Using this in other tests (e.g. unit_tests) will result in DCHECK failure.
static void InitializeForTesting(DisplayInfoProvider* display_info_provider);
DisplayInfo GetAllDisplaysInfo();
virtual bool SetInfo(const std::string& display_id,
const api::system_display::DisplayProperties& info,
std::string* error);
private:
// Update the content of the |unit| obtained for |display| using
// platform specific method.
virtual void UpdateDisplayUnitInfoForPlatform(
const gfx::Display& display,
extensions::api::system_display::DisplayUnitInfo* unit);
DISALLOW_COPY_AND_ASSIGN(DisplayInfoProvider);
};
} // namespace extensions
#endif // CHROME_BROWSER_EXTENSIONS_API_SYSTEM_DISPLAY_DISPLAY_INFO_PROVIDER_H_
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