ui/platform_window: Introduce PlatformWindow for windowing primitives.

ui/platform_window/platform_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_PLATFORM_WINDOW_H_
+#define UI_PLATFORM_WINDOW_PLATFORM_WINDOW_H_
+
+#include "base/memory/scoped_ptr.h"
+#include "ui/platform_window/platform_window_export.h"
+
+namespace gfx {
+class Rect;
+}
+
+namespace ui {
+
+class PlatformWindowDelegate;
+
+// Platform window.
+//
+// Each instance of PlatformWindow represents a single window in the
+// underlying platform windowing system (i.e. X11/Win/OSX).
+class PLATFORM_WINDOW_EXPORT PlatformWindow {
+ public:
+  virtual ~PlatformWindow() {}
+
+  virtual void Show() = 0;
+  virtual void Hide() = 0;
+  virtual void Close() = 0;
+
+  // Sets and gets the bounds of the platform-window. Note that the bounds is in
+  // physical pixel coordinates.
+  virtual void SetBounds(const gfx::Rect& bounds) = 0;
+  virtual gfx::Rect GetBounds() = 0;
+
+  virtual void SetCapture() = 0;
+  virtual void ReleaseCapture() = 0;
+
+  virtual void ToggleFullscreen() = 0;
+  virtual void Maximize() = 0;
+  virtual void Minimize() = 0;
+  virtual void Restore() = 0;
+};
+
+}  // namespace ui
+
+#endif  // UI_PLATFORM_WINDOW_PLATFORM_WINDOW_H_