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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "content/browser/web_contents/aura/gesture_nav_simple.h" | 5 #include "content/browser/web_contents/aura/gesture_nav_simple.h" |
| 6 | 6 |
| 7 #include "cc/layers/layer.h" | 7 #include "cc/layers/layer.h" |
| 8 #include "content/browser/frame_host/navigation_controller_impl.h" | 8 #include "content/browser/frame_host/navigation_controller_impl.h" |
| 9 #include "content/browser/renderer_host/overscroll_controller.h" | 9 #include "content/browser/renderer_host/overscroll_controller.h" |
| 10 #include "content/browser/web_contents/web_contents_impl.h" | 10 #include "content/browser/web_contents/web_contents_impl.h" |
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| 49 public: | 49 public: |
| 50 explicit DeleteAfterAnimation(scoped_ptr<T> object) | 50 explicit DeleteAfterAnimation(scoped_ptr<T> object) |
| 51 : object_(object.Pass()) {} | 51 : object_(object.Pass()) {} |
| 52 | 52 |
| 53 private: | 53 private: |
| 54 friend class base::DeleteHelper<DeleteAfterAnimation<T> >; | 54 friend class base::DeleteHelper<DeleteAfterAnimation<T> >; |
| 55 | 55 |
| 56 virtual ~DeleteAfterAnimation() {} | 56 virtual ~DeleteAfterAnimation() {} |
| 57 | 57 |
| 58 // ui::ImplicitAnimationObserver: | 58 // ui::ImplicitAnimationObserver: |
| 59 virtual void OnImplicitAnimationsCompleted() OVERRIDE { | 59 virtual void OnImplicitAnimationsCompleted() override { |
| 60 // Deleting an observer when a ScopedLayerAnimationSettings is iterating | 60 // Deleting an observer when a ScopedLayerAnimationSettings is iterating |
| 61 // over them can cause a crash (which can happen during tests). So instead, | 61 // over them can cause a crash (which can happen during tests). So instead, |
| 62 // schedule this observer to be deleted soon. | 62 // schedule this observer to be deleted soon. |
| 63 BrowserThread::DeleteSoon(BrowserThread::UI, FROM_HERE, this); | 63 BrowserThread::DeleteSoon(BrowserThread::UI, FROM_HERE, this); |
| 64 } | 64 } |
| 65 | 65 |
| 66 scoped_ptr<T> object_; | 66 scoped_ptr<T> object_; |
| 67 DISALLOW_COPY_AND_ASSIGN(DeleteAfterAnimation); | 67 DISALLOW_COPY_AND_ASSIGN(DeleteAfterAnimation); |
| 68 }; | 68 }; |
| 69 | 69 |
| 70 } // namespace | 70 } // namespace |
| 71 | 71 |
| 72 // A layer delegate that paints the shield with the arrow in it. | 72 // A layer delegate that paints the shield with the arrow in it. |
| 73 class ArrowLayerDelegate : public ui::LayerDelegate { | 73 class ArrowLayerDelegate : public ui::LayerDelegate { |
| 74 public: | 74 public: |
| 75 explicit ArrowLayerDelegate(int resource_id) | 75 explicit ArrowLayerDelegate(int resource_id) |
| 76 : image_(GetContentClient()->GetNativeImageNamed(resource_id)), | 76 : image_(GetContentClient()->GetNativeImageNamed(resource_id)), |
| 77 left_arrow_(resource_id == IDR_BACK_ARROW) { | 77 left_arrow_(resource_id == IDR_BACK_ARROW) { |
| 78 CHECK(!image_.IsEmpty()); | 78 CHECK(!image_.IsEmpty()); |
| 79 } | 79 } |
| 80 | 80 |
| 81 virtual ~ArrowLayerDelegate() {} | 81 virtual ~ArrowLayerDelegate() {} |
| 82 | 82 |
| 83 bool left() const { return left_arrow_; } | 83 bool left() const { return left_arrow_; } |
| 84 | 84 |
| 85 private: | 85 private: |
| 86 // ui::LayerDelegate: | 86 // ui::LayerDelegate: |
| 87 virtual void OnPaintLayer(gfx::Canvas* canvas) OVERRIDE { | 87 virtual void OnPaintLayer(gfx::Canvas* canvas) override { |
| 88 SkPaint paint; | 88 SkPaint paint; |
| 89 paint.setColor(SkColorSetARGB(0xa0, 0, 0, 0)); | 89 paint.setColor(SkColorSetARGB(0xa0, 0, 0, 0)); |
| 90 paint.setStyle(SkPaint::kFill_Style); | 90 paint.setStyle(SkPaint::kFill_Style); |
| 91 paint.setAntiAlias(true); | 91 paint.setAntiAlias(true); |
| 92 | 92 |
| 93 canvas->DrawCircle( | 93 canvas->DrawCircle( |
| 94 gfx::Point(left_arrow_ ? 0 : kArrowWidth, kArrowHeight / 2), | 94 gfx::Point(left_arrow_ ? 0 : kArrowWidth, kArrowHeight / 2), |
| 95 kArrowWidth, | 95 kArrowWidth, |
| 96 paint); | 96 paint); |
| 97 canvas->DrawImageInt(*image_.ToImageSkia(), | 97 canvas->DrawImageInt(*image_.ToImageSkia(), |
| 98 left_arrow_ ? 0 : kArrowWidth - image_.Width(), | 98 left_arrow_ ? 0 : kArrowWidth - image_.Width(), |
| 99 (kArrowHeight - image_.Height()) / 2); | 99 (kArrowHeight - image_.Height()) / 2); |
| 100 } | 100 } |
| 101 | 101 |
| 102 virtual void OnDelegatedFrameDamage( | 102 virtual void OnDelegatedFrameDamage( |
| 103 const gfx::Rect& damage_rect_in_dip) OVERRIDE {} | 103 const gfx::Rect& damage_rect_in_dip) override {} |
| 104 | 104 |
| 105 virtual void OnDeviceScaleFactorChanged(float device_scale_factor) OVERRIDE {} | 105 virtual void OnDeviceScaleFactorChanged(float device_scale_factor) override {} |
| 106 | 106 |
| 107 virtual base::Closure PrepareForLayerBoundsChange() OVERRIDE { | 107 virtual base::Closure PrepareForLayerBoundsChange() override { |
| 108 return base::Closure(); | 108 return base::Closure(); |
| 109 } | 109 } |
| 110 | 110 |
| 111 const gfx::Image& image_; | 111 const gfx::Image& image_; |
| 112 const bool left_arrow_; | 112 const bool left_arrow_; |
| 113 | 113 |
| 114 DISALLOW_COPY_AND_ASSIGN(ArrowLayerDelegate); | 114 DISALLOW_COPY_AND_ASSIGN(ArrowLayerDelegate); |
| 115 }; | 115 }; |
| 116 | 116 |
| 117 GestureNavSimple::GestureNavSimple(WebContentsImpl* web_contents) | 117 GestureNavSimple::GestureNavSimple(WebContentsImpl* web_contents) |
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| 227 clip_layer_->SetBounds(window->layer()->bounds()); | 227 clip_layer_->SetBounds(window->layer()->bounds()); |
| 228 clip_layer_->SetMasksToBounds(true); | 228 clip_layer_->SetMasksToBounds(true); |
| 229 clip_layer_->Add(arrow_.get()); | 229 clip_layer_->Add(arrow_.get()); |
| 230 | 230 |
| 231 ui::Layer* parent = window->layer()->parent(); | 231 ui::Layer* parent = window->layer()->parent(); |
| 232 parent->Add(clip_layer_.get()); | 232 parent->Add(clip_layer_.get()); |
| 233 parent->StackAtTop(clip_layer_.get()); | 233 parent->StackAtTop(clip_layer_.get()); |
| 234 } | 234 } |
| 235 | 235 |
| 236 } // namespace content | 236 } // namespace content |
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