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// Copyright (c) 2012 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 REMOTING_CAPTURER_WIN_DESKTOP_H_
#define REMOTING_CAPTURER_WIN_DESKTOP_H_
#include <windows.h>
#include "base/basictypes.h"
#include "base/memory/scoped_ptr.h"
#include "base/string16.h"
namespace remoting {
class Desktop {
public:
~Desktop();
// Returns the name of the desktop represented by the object. Return false if
// quering the name failed for any reason.
bool GetName(string16* desktop_name_out) const;
// Returns true if |other| has the same name as this desktop. Returns false
// in any other case including failing Win32 APIs and uninitialized desktop
// handles.
bool IsSame(const Desktop& other) const;
// Assigns the desktop to the current thread. Returns false is the operation
// failed for any reason.
bool SetThreadDesktop() const;
// Returns the desktop by its name or NULL if an error occurs.
static scoped_ptr<Desktop> GetDesktop(const wchar_t* desktop_name);
// Returns the desktop currently receiving user input or NULL if an error
// occurs.
static scoped_ptr<Desktop> GetInputDesktop();
// Returns the desktop currently assigned to the calling thread or NULL if
// an error occurs.
static scoped_ptr<Desktop> GetThreadDesktop();
private:
Desktop(HDESK desktop, bool own);
// The desktop handle.
HDESK desktop_;
// True if |desktop_| must be closed on teardown.
bool own_;
DISALLOW_COPY_AND_ASSIGN(Desktop);
};
} // namespace remoting
#endif // REMOTING_CAPTURER_WIN_DESKTOP_H_
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