ui/platform_window: Introduce PlatformWindow for windowing primitives.

ui/platform_window/x11/x11_window.h

+// 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 UI_PLATFORM_WINDOW_X11_X11_WINDOW_H_
+#define UI_PLATFORM_WINDOW_X11_X11_WINDOW_H_
+
+#include "ui/events/platform/platform_event_dispatcher.h"
+#include "ui/gfx/geometry/rect.h"
+#include "ui/gfx/x/x11_atom_cache.h"
+#include "ui/platform_window/platform_window.h"
+#include "ui/platform_window/platform_window_delegate.h"
+#include "ui/platform_window/x11/x11_window_export.h"
+
+typedef struct _XDisplay XDisplay;
+typedef unsigned long XID;
+
+namespace ui {
+
+class X11_WINDOW_EXPORT X11Window : public PlatformWindow,
+                                    public PlatformEventDispatcher {
+ public:
+  explicit X11Window(PlatformWindowDelegate* delegate);
+  virtual ~X11Window();
+
+ private:
+  void Destroy();
+
+  // PlatformWindow:
+  virtual void Show() OVERRIDE;
+  virtual void Hide() OVERRIDE;
+  virtual void Close() OVERRIDE;
+  virtual void SetBounds(const gfx::Rect& bounds) OVERRIDE;
+  virtual gfx::Rect GetBounds() OVERRIDE;
+  virtual void SetCapture() OVERRIDE;
+  virtual void ReleaseCapture() OVERRIDE;
+  virtual void ToggleFullscreen() OVERRIDE;
+  virtual void Maximize() OVERRIDE;
+  virtual void Minimize() OVERRIDE;
+  virtual void Restore() OVERRIDE;
+
+  // PlatformEventDispatcher:
+  virtual bool CanDispatchEvent(const PlatformEvent& event) OVERRIDE;
+  virtual uint32_t DispatchEvent(const PlatformEvent& event) OVERRIDE;
+
+  PlatformWindowDelegate* delegate_;
+
+  XDisplay* xdisplay_;
+  XID xwindow_;
+  XID xroot_window_;
+  X11AtomCache atom_cache_;
+
+  // Setting the bounds is an asynchronous operation in X11. |requested_bounds_|
+  // is the bounds requested using XConfigureWindow, and |confirmed_bounds_| is
+  // the bounds the X11 server has set on the window.
+  gfx::Rect requested_bounds_;
+  gfx::Rect confirmed_bounds_;
+
+  bool window_mapped_;
+
+  DISALLOW_COPY_AND_ASSIGN(X11Window);
+};
+
+}  // namespace ui
+
+#endif  // UI_PLATFORM_WINDOW_X11_X11_WINDOW_H_