mash: Partially migrate WorkspaceController to ash common.

ash/wm/window_animations.cc

 // 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.
 
 #include "ash/wm/window_animations.h"
 
 #include <math.h>
 #include <algorithm>
 #include <utility>
 #include <vector>
@@ skipping 19 matching lines @@
 #include "ui/compositor/layer.h"
 #include "ui/compositor/layer_animation_observer.h"
 #include "ui/compositor/layer_animation_sequence.h"
 #include "ui/compositor/layer_animator.h"
 #include "ui/compositor/layer_tree_owner.h"
 #include "ui/compositor/scoped_layer_animation_settings.h"
 #include "ui/display/display.h"
 #include "ui/display/screen.h"
 #include "ui/gfx/geometry/vector3d_f.h"
 #include "ui/gfx/interpolated_transform.h"
+#include "ui/gfx/transform.h"
 #include "ui/views/view.h"
 #include "ui/views/widget/widget.h"
 #include "ui/wm/core/window_util.h"
 
 namespace ash {
 namespace {
+
 const int kLayerAnimationsForMinimizeDurationMS = 200;
 
 // Durations for the cross-fade animation, in milliseconds.
 const float kCrossFadeDurationMinMs = 200.f;
 const float kCrossFadeDurationMaxMs = 400.f;
 
 // Durations for the brightness/grayscale fade animation, in milliseconds.
 const int kBrightnessGrayscaleFadeDurationMs = 1000;
 
 // Brightness/grayscale values for hide/show window animations.
 const float kWindowAnimation_HideBrightnessGrayscale = 1.f;
 const float kWindowAnimation_ShowBrightnessGrayscale = 0.f;
 
 const float kWindowAnimation_HideOpacity = 0.f;
 const float kWindowAnimation_ShowOpacity = 1.f;
 
-// Scales for AshWindow above/below current workspace.
-const float kLayerScaleAboveSize = 1.1f;
-const float kLayerScaleBelowSize = .9f;
-
 int64_t Round64(float f) {
   return static_cast<int64_t>(f + 0.5f);
 }
 
 base::TimeDelta GetCrossFadeDuration(aura::Window* window,
                                      const gfx::RectF& old_bounds,
                                      const gfx::Rect& new_bounds) {
   if (::wm::WindowAnimationsDisabled(window))
     return base::TimeDelta();
 
@@ skipping 351 matching lines @@
   grayscale_element->set_tween_type(animation_type);
   grayscale_sequence->AddElement(grayscale_element.release());
 
   std::vector<ui::LayerAnimationSequence*> animations;
   animations.push_back(brightness_sequence.release());
   animations.push_back(grayscale_sequence.release());
 
   return animations;
 }
 
-// Returns scale related to the specified AshWindowScaleType.
-void SetTransformForScaleAnimation(ui::Layer* layer,
-                                   LayerScaleAnimationDirection type) {
-  const float scale = type == LAYER_SCALE_ANIMATION_ABOVE
-                          ? kLayerScaleAboveSize
-                          : kLayerScaleBelowSize;
-  gfx::Transform transform;
-  transform.Translate(-layer->bounds().width() * (scale - 1.0f) / 2,
-                      -layer->bounds().height() * (scale - 1.0f) / 2);
-  transform.Scale(scale, scale);
-  layer->SetTransform(transform);
-}
-
 gfx::Rect GetMinimizeAnimationTargetBoundsInScreen(aura::Window* window) {
   Shelf* shelf = Shelf::ForWindow(window);
   // Shelf is created lazily and can be NULL.
   if (!shelf)
     return gfx::Rect();
   gfx::Rect item_rect = shelf->GetScreenBoundsOfItemIconForWindow(window);
 
   // The launcher item is visible and has an icon.
   if (!item_rect.IsEmpty())
     return item_rect;
@@ skipping 29 matching lines @@
     case SHELF_ALIGNMENT_LEFT:
       return gfx::Rect(work_area.x(), work_area.y(), 0, 0);
     case SHELF_ALIGNMENT_RIGHT:
       return gfx::Rect(work_area.right(), work_area.y(), 0, 0);
   }
   NOTREACHED();
   return gfx::Rect();
 }
 
 }  // namespace ash