Move files from ui/views/corewm to ui/wm/core

ui/views/corewm/capture_controller.h

-// 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 UI_VIEWS_COREWM_CAPTURE_CONTROLLER_H_
-#define UI_VIEWS_COREWM_CAPTURE_CONTROLLER_H_
-
-#include <set>
-
-#include "base/basictypes.h"
-#include "base/compiler_specific.h"
-#include "ui/aura/client/capture_client.h"
-#include "ui/aura/window_observer.h"
-#include "ui/views/views_export.h"
-
-namespace views {
-namespace corewm {
-
-// Internal CaptureClient implementation. See ScopedCaptureClient for details.
-class VIEWS_EXPORT CaptureController : public aura::client::CaptureClient {
- public:
-  // Adds |root| to the list of RootWindows notified when capture changes.
-  void Attach(aura::Window* root);
-
-  // Removes |root| from the list of RootWindows notified when capture changes.
-  void Detach(aura::Window* root);
-
-  // Returns true if this CaptureController is installed on at least one
-  // RootWindow.
-  bool is_active() const { return !root_windows_.empty(); }
-
-  // Overridden from aura::client::CaptureClient:
-  virtual void SetCapture(aura::Window* window) OVERRIDE;
-  virtual void ReleaseCapture(aura::Window* window) OVERRIDE;
-  virtual aura::Window* GetCaptureWindow() OVERRIDE;
-  virtual aura::Window* GetGlobalCaptureWindow() OVERRIDE;
-
- private:
-  friend class ScopedCaptureClient;
-  typedef std::set<aura::Window*> RootWindows;
-
-  CaptureController();
-  virtual ~CaptureController();
-
-  // The current capture window. NULL if there is no capture window.
-  aura::Window* capture_window_;
-
-  // Set of RootWindows notified when capture changes.
-  RootWindows root_windows_;
-
-  DISALLOW_COPY_AND_ASSIGN(CaptureController);
-};
-
-// ScopedCaptureClient is responsible for creating a CaptureClient for a
-// RootWindow. Specifically it creates a single CaptureController that is shared
-// among all ScopedCaptureClients and adds the RootWindow to it.
-class VIEWS_EXPORT ScopedCaptureClient : public aura::WindowObserver {
- public:
-  explicit ScopedCaptureClient(aura::Window* root);
-  virtual ~ScopedCaptureClient();
-
-  // Returns true if there is a CaptureController with at least one RootWindow.
-  static bool IsActive();
-
-  aura::client::CaptureClient* capture_client() {
-    return capture_controller_;
-  }
-
-  // Overridden from aura::WindowObserver:
-  virtual void OnWindowDestroyed(aura::Window* window) OVERRIDE;
-
- private:
-  // Invoked from destructor and OnWindowDestroyed() to cleanup.
-  void Shutdown();
-
-  // The single CaptureController instance.
-  static CaptureController* capture_controller_;
-
-  // RootWindow this ScopedCaptureClient was create for.
-  aura::Window* root_window_;
-
-  DISALLOW_COPY_AND_ASSIGN(ScopedCaptureClient);
-};
-
-}  // namespace corewm
-}  // namespace views
-
-#endif  // UI_VIEWS_COREWM_CAPTURE_CONTROLLER_H_