Revert "views: Move widget/ directory to ui/views." properly.

views/widget/native_widget_delegate.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 VIEWS_WIDGET_NATIVE_WIDGET_DELEGATE_H_
+#define VIEWS_WIDGET_NATIVE_WIDGET_DELEGATE_H_
+#pragma once
+
+#include "views/views_export.h"
+#include "ui/base/events.h"
+
+namespace gfx {
+class Canvas;
+class Point;
+class Size;
+}
+
+namespace views {
+class InputMethod;
+class KeyEvent;
+class MouseEvent;
+class TouchEvent;
+
+namespace internal {
+
+////////////////////////////////////////////////////////////////////////////////
+// NativeWidgetDelegate
+//
+//  An interface implemented by the object that handles events sent by a
+//  NativeWidget implementation.
+//
+class VIEWS_EXPORT NativeWidgetDelegate {
+ public:
+  virtual ~NativeWidgetDelegate() {}
+
+  // Returns true if the window is modal.
+  virtual bool IsModal() const = 0;
+
+  // Returns true if the window is a dialog box.
+  virtual bool IsDialogBox() const = 0;
+
+  // Returns true if the window can be activated.
+  virtual bool CanActivate() const = 0;
+
+  virtual bool IsInactiveRenderingDisabled() const = 0;
+  virtual void EnableInactiveRendering() = 0;
+
+  // Called when the activation state of a window has changed.
+  virtual void OnNativeWidgetActivationChanged(bool active) = 0;
+
+  // Called when native focus moves from one native view to another.
+  virtual void OnNativeFocus(gfx::NativeView focused_view) = 0;
+  virtual void OnNativeBlur(gfx::NativeView focused_view) = 0;
+
+  // Called when the window is shown/hidden.
+  virtual void OnNativeWidgetVisibilityChanged(bool visible) = 0;
+
+  // Called when the native widget is created.
+  virtual void OnNativeWidgetCreated() = 0;
+
+  // Called just before the native widget is destroyed. This is the delegate's
+  // last chance to do anything with the native widget handle.
+  virtual void OnNativeWidgetDestroying() = 0;
+
+  // Called just after the native widget is destroyed.
+  virtual void OnNativeWidgetDestroyed() = 0;
+
+  // Returns the smallest size the window can be resized to by the user.
+  virtual gfx::Size GetMinimumSize() = 0;
+
+  // Called when the NativeWidget changed size to |new_size|.
+  virtual void OnNativeWidgetSizeChanged(const gfx::Size& new_size) = 0;
+
+  // Called when the user begins/ends to change the bounds of the window.
+  virtual void OnNativeWidgetBeginUserBoundsChange() = 0;
+  virtual void OnNativeWidgetEndUserBoundsChange() = 0;
+
+  // Returns true if the delegate has a FocusManager.
+  virtual bool HasFocusManager() const = 0;
+
+  // Paints the widget using acceleration. If the widget is not using
+  // accelerated painting this returns false and does nothing.
+  virtual bool OnNativeWidgetPaintAccelerated(
+      const gfx::Rect& dirty_region) = 0;
+
+  // Paints the rootview in the canvas. This will also refresh the compositor
+  // tree if necessary when accelerated painting is enabled.
+  virtual void OnNativeWidgetPaint(gfx::Canvas* canvas) = 0;
+
+  // Returns the non-client component (see ui/base/hit_test.h) containing
+  // |point|, in client coordinates.
+  virtual int GetNonClientComponent(const gfx::Point& point) = 0;
+
+  // Mouse and key event handlers.
+  virtual bool OnKeyEvent(const KeyEvent& event) = 0;
+  virtual bool OnMouseEvent(const MouseEvent& event) = 0;
+  virtual void OnMouseCaptureLost() = 0;
+  virtual ui::TouchStatus OnTouchEvent(const TouchEvent& event) = 0;
+
+  // Runs the specified native command. Returns true if the command is handled.
+  virtual bool ExecuteCommand(int command_id) = 0;
+
+  // Returns the input method of the widget this delegate is associated with.
+  // Note that this does not use the top level widget, so may return NULL
+  // if the widget doesn't have input method.
+  virtual InputMethod* GetInputMethodDirect() = 0;
+
+  //
+  virtual Widget* AsWidget() = 0;
+  virtual const Widget* AsWidget() const = 0;
+};
+
+}  // namespace internal
+}  // namespace views
+
+#endif  // VIEWS_WIDGET_NATIVE_WIDGET_DELEGATE_H_