Decouple workspace animation from other actions on windows (e.g. hide/show), so that animations can…

ash/wm/workspace/workspace_animations.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 ASH_WM_WORKSPACE_WORKSPACE_ANIMATIONS_H_
 #define ASH_WM_WORKSPACE_WORKSPACE_ANIMATIONS_H_
 
 #include "ash/ash_export.h"
 #include "base/time.h"
 
@@ skipping 33 matching lines @@
   // The duration of the animation. If empty the default is used.
   base::TimeDelta duration;
 
   // Amount of time (in milliseconds) to pause before animating.
   int pause_time_ms;
 };
 
 // Amount of time for the workspace switch animation.
 extern const int kWorkspaceSwitchTimeMS;
 
+// Sets initial/target parameters of workspace animations based on |details|.
+// Values are set for Show animation when |show| is true, and for Hide animation
+// otherwise. If |force| is true, transform/opacity will be set regardless of
+// value specified in |details|.
+ASH_EXPORT void SetWorkspaceAnimationStartParameters(

[sky, 2012/11/29 19:06:51]

As previously mentioned we should not have session state calling 'workspace'
specific animations. Move to a common place that does not have workspace in the
name. I'm fine with putting in window_animations.

+    aura::Window* window,
+    const WorkspaceAnimationDetails& details,
+    bool show,
+    bool force);
+
+ASH_EXPORT void SetWorkspaceAnimationTargetParameters(
+    aura::Window* window,
+    const WorkspaceAnimationDetails& details,
+    bool show,
+    bool force);
+
 // Shows or hides the workspace animating based on |details|.
 ASH_EXPORT void ShowWorkspace(aura::Window* window,
                               const WorkspaceAnimationDetails& details);
 ASH_EXPORT void HideWorkspace(aura::Window* window,
                               const WorkspaceAnimationDetails& details);
 }  // namespace internal
 }  // namespace ash
 
 #endif  // ASH_WM_WORKSPACE_WORKSPACE_ANIMATIONS_H_