MacViews: Put wm window animation calls behind an interface.

ui/views/widget/widget.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_WIDGET_WIDGET_H_
 #define UI_VIEWS_WIDGET_WIDGET_H_
 
 #include <set>
 #include <stack>
 #include <vector>
@@ skipping 19 matching lines @@
 #undef IsMaximized
 #endif
 #if defined(IsMinimized)
 #undef IsMinimized
 #endif
 #if defined(CreateWindow)
 #undef CreateWindow
 #endif
 #endif
 
+namespace base {
+class TimeDelta;
+}
+
 namespace gfx {
 class Canvas;
 class Point;
 class Rect;
 }
 
 namespace ui {
 class Accelerator;
 class Compositor;
 class DefaultThemeProvider;
@@ skipping 363 matching lines @@
 
   // Like SetBounds(), but ensures the Widget is fully visible on screen,
   // resizing and/or repositioning as necessary. This is only useful for
   // non-child widgets.
   void SetBoundsConstrained(const gfx::Rect& bounds);
 
   // Sets whether animations that occur when visibility is changed are enabled.
   // Default is true.
   void SetVisibilityChangedAnimationsEnabled(bool value);
 
+  // Sets the duration of visibility change animations.
+  void SetVisibilityAnimationDuration(const base::TimeDelta& duration);
+
+  // Type of visibility change transition that a window should animate.
+  // Default behavior is to animate both show and hide.

[sky, 2014/10/31 22:58:43]

nit: move enum to top of section (like style guide says).

[Andre, 2014/10/31 23:05:10]

Done.

+  enum VisibilityTransition {
+    ANIMATE_SHOW = 0x1,
+    ANIMATE_HIDE = 0x2,
+    ANIMATE_BOTH = ANIMATE_SHOW | ANIMATE_HIDE,
+    ANIMATE_NONE = 0x4,
+  };
+  void SetVisibilityAnimationTransition(VisibilityTransition transition);
+
   // Starts a nested message loop that moves the window. This can be used to
   // start a window move operation from a mouse or touch event. This returns
   // when the move completes. |drag_offset| is the offset from the top left
   // corner of the window to the point where the cursor is dragging, and is used
   // to offset the bounds of the window from the cursor.
   MoveLoopResult RunMoveLoop(const gfx::Vector2d& drag_offset,
                              MoveLoopSource source,
                              MoveLoopEscapeBehavior escape_behavior);
 
   // Stops a previously started move loop. This is not immediate.
@@ skipping 519 matching lines @@
   bool movement_disabled_;
 
   ScopedObserver<ui::NativeTheme, ui::NativeThemeObserver> observer_manager_;
 
   DISALLOW_COPY_AND_ASSIGN(Widget);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_WIDGET_WIDGET_H_