V2

ui/views/widget/native_widget_listener.h

+// Copyright (c) 2011 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_WIDGET_NATIVE_WIDGET_LISTENER_H_
+#define UI_VIEWS_WIDGET_NATIVE_WIDGET_LISTENER_H_
+
+namespace gfx {
+class Canvas;
+class Point;
+class Size;
+}
+
+namespace ui {
+class KeyEvent;
+class MouseEvent;
+class MouseWheelEvent;
+
+namespace internal {
+
+////////////////////////////////////////////////////////////////////////////////
+// NativeWidgetListener interface
+//
+//  An interface implemented by the Widget that handles events sent from a
+//  NativeWidget implementation.
+//
+class NativeWidgetListener {
+ public:
+  virtual ~NativeWidgetListener() {}
+
+  virtual void OnClose() = 0;
+
+  virtual void OnDestroy() = 0;
+  virtual void OnDisplayChanged() = 0;
+
+  virtual bool OnKeyEvent(const KeyEvent& event) = 0;
+
+  virtual void OnMouseCaptureLost() = 0;
+
+  virtual bool OnMouseEvent(const MouseEvent& event) = 0;
+  virtual bool OnMouseWheelEvent(const MouseWheelEvent& event) = 0;
+
+  virtual void OnNativeWidgetCreated() = 0;
+
+  virtual void OnPaint(gfx::Canvas* canvas) = 0;
+  virtual void OnSizeChanged(const gfx::Size& size) = 0;
+  virtual void OnWorkAreaChanged() = 0;
+};
+
+}  // namespace internal
+}  // namespace ui
+
+#endif  // UI_VIEWS_WIDGET_NATIVE_WIDGET_LISTENER_H_