views/layer_property_setter.cc

   1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "views/layer_property_setter.h"
   6
   7 #include "base/scoped_ptr.h"
   8 #include "ui/gfx/compositor/compositor.h"
   9 #include "ui/gfx/compositor/layer.h"
  10 #include "ui/gfx/compositor/layer_animator.h"
  11
  12 namespace views {
  13
  14 namespace {
  15
  16 // DefaultSetter ---------------------------------------------------------------
  17
  18 class DefaultSetter : public LayerPropertySetter {
  19  public:
  20   DefaultSetter();
  21
  22   // LayerPropertySetter:
  23   virtual void Installed(ui::Layer* layer) OVERRIDE;
  24   virtual void Uninstalled(ui::Layer* layer) OVERRIDE;
  25   virtual void SetTransform(ui::Layer* layer,
  26                             const ui::Transform& transform) OVERRIDE;
  27   virtual void SetBounds(ui::Layer* layer, const gfx::Rect& bounds) OVERRIDE;
  28
  29  private:
  30   DISALLOW_COPY_AND_ASSIGN(DefaultSetter);
  31 };
  32
  33 DefaultSetter::DefaultSetter() {
  34 }
  35
  36 void DefaultSetter::Installed(ui::Layer* layer) {
  37 }
  38
  39 void DefaultSetter::Uninstalled(ui::Layer* layer) {
  40 }
  41
  42 void DefaultSetter::SetTransform(ui::Layer* layer,
  43                                  const ui::Transform& transform) {
  44   layer->SetTransform(transform);
  45 }
  46
  47 void DefaultSetter::SetBounds(ui::Layer* layer, const gfx::Rect& bounds) {
  48   layer->SetBounds(bounds);
  49 }
  50
  51 // AnimatingSetter -------------------------------------------------------------
  52
  53 class AnimatingSetter : public LayerPropertySetter {
  54  public:
  55   AnimatingSetter();
  56
  57   // LayerPropertySetter:
  58   virtual void Installed(ui::Layer* layer) OVERRIDE;
  59   virtual void Uninstalled(ui::Layer* layer) OVERRIDE;
  60   virtual void SetTransform(ui::Layer* layer,
  61                             const ui::Transform& transform) OVERRIDE;
  62   virtual void SetBounds(ui::Layer* layer, const gfx::Rect& bounds) OVERRIDE;
  63
  64  private:
  65   scoped_ptr<ui::LayerAnimator> animator_;
  66
  67   DISALLOW_COPY_AND_ASSIGN(AnimatingSetter);
  68 };
  69
  70 AnimatingSetter::AnimatingSetter() {
  71 }
  72
  73 void AnimatingSetter::Installed(ui::Layer* layer) {
  74   animator_.reset(new ui::LayerAnimator(layer));
  75 }
  76
  77 void AnimatingSetter::Uninstalled(ui::Layer* layer) {
  78   animator_.reset();
  79 }
  80
  81 void AnimatingSetter::SetTransform(ui::Layer* layer,
  82                                    const ui::Transform& transform) {
  83   animator_->AnimateTransform(transform);
  84 }
  85
  86 void AnimatingSetter::SetBounds(ui::Layer* layer, const gfx::Rect& bounds) {
  87   if (bounds.size() == animator_->layer()->bounds().size())
  88     animator_->AnimateToPoint(bounds.origin());
  89   else
  90     animator_->StopAnimatingToPoint();
  91 }
  92
  93 }  // namespace
  94
  95 // LayerPropertySetter ---------------------------------------------------------
  96
  97 // static
  98 LayerPropertySetter* LayerPropertySetter::CreateDefaultSetter() {
  99   return new DefaultSetter;
 100 }
 101
 102 // static
 103 LayerPropertySetter* LayerPropertySetter::CreateAnimatingSetter() {
 104   return new AnimatingSetter();
 105 }
 106
 107 }  // namespace views