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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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 "webkit/renderer/compositor_bindings/web_layer_impl_fixed_bounds.h" | 5 #include "content/renderer/compositor_bindings/web_layer_impl_fixed_bounds.h" |
| 6 | 6 |
| 7 #include "cc/layers/layer.h" | 7 #include "cc/layers/layer.h" |
| 8 #include "third_party/WebKit/public/platform/WebFloatPoint.h" | 8 #include "third_party/WebKit/public/platform/WebFloatPoint.h" |
| 9 #include "third_party/WebKit/public/platform/WebSize.h" | 9 #include "third_party/WebKit/public/platform/WebSize.h" |
| 10 #include "third_party/skia/include/utils/SkMatrix44.h" | 10 #include "third_party/skia/include/utils/SkMatrix44.h" |
| 11 | 11 |
| 12 using cc::Layer; | 12 using cc::Layer; |
| 13 | 13 |
| 14 namespace webkit { | 14 namespace content { |
| 15 | 15 |
| 16 WebLayerImplFixedBounds::WebLayerImplFixedBounds() { | 16 WebLayerImplFixedBounds::WebLayerImplFixedBounds() { |
| 17 } | 17 } |
| 18 | 18 |
| 19 WebLayerImplFixedBounds::WebLayerImplFixedBounds(scoped_refptr<Layer> layer) | 19 WebLayerImplFixedBounds::WebLayerImplFixedBounds(scoped_refptr<Layer> layer) |
| 20 : WebLayerImpl(layer) { | 20 : WebLayerImpl(layer) { |
| 21 } | 21 } |
| 22 | 22 |
| 23 | |
| 24 WebLayerImplFixedBounds::~WebLayerImplFixedBounds() { | 23 WebLayerImplFixedBounds::~WebLayerImplFixedBounds() { |
| 25 } | 24 } |
| 26 | 25 |
| 27 void WebLayerImplFixedBounds::invalidateRect(const blink::WebFloatRect& rect) { | 26 void WebLayerImplFixedBounds::invalidateRect(const blink::WebFloatRect& rect) { |
| 28 // Partial invalidations seldom occur for such layers. | 27 // Partial invalidations seldom occur for such layers. |
| 29 // Simply invalidate the whole layer to avoid transformation of coordinates. | 28 // Simply invalidate the whole layer to avoid transformation of coordinates. |
| 30 invalidate(); | 29 invalidate(); |
| 31 } | 30 } |
| 32 | 31 |
| 33 void WebLayerImplFixedBounds::setAnchorPoint( | 32 void WebLayerImplFixedBounds::setAnchorPoint( |
| 34 const blink::WebFloatPoint& anchor_point) { | 33 const blink::WebFloatPoint& anchor_point) { |
| 35 if (anchor_point != this->anchorPoint()) { | 34 if (anchor_point != this->anchorPoint()) { |
| 36 layer_->SetAnchorPoint(anchor_point); | 35 layer_->SetAnchorPoint(anchor_point); |
| 37 UpdateLayerBoundsAndTransform(); | 36 UpdateLayerBoundsAndTransform(); |
| 38 } | 37 } |
| 39 } | 38 } |
| 40 | 39 |
| 41 void WebLayerImplFixedBounds::setBounds(const blink::WebSize& bounds) { | 40 void WebLayerImplFixedBounds::setBounds(const blink::WebSize& bounds) { |
| 42 if (original_bounds_ != gfx::Size(bounds)) { | 41 if (original_bounds_ != gfx::Size(bounds)) { |
| 43 original_bounds_ = bounds; | 42 original_bounds_ = bounds; |
| 44 UpdateLayerBoundsAndTransform(); | 43 UpdateLayerBoundsAndTransform(); |
| 45 } | 44 } |
| 46 } | 45 } |
| 47 | 46 |
| 48 blink::WebSize WebLayerImplFixedBounds::bounds() const { | 47 blink::WebSize WebLayerImplFixedBounds::bounds() const { |
| 49 return original_bounds_; | 48 return original_bounds_; |
| 50 } | 49 } |
| 51 | 50 |
| 52 void WebLayerImplFixedBounds::setTransform(const SkMatrix44& matrix) { | 51 void WebLayerImplFixedBounds::setTransform(const SkMatrix44& matrix) { |
| 53 gfx::Transform transform; | 52 gfx::Transform transform; |
| 54 transform.matrix() = matrix; | 53 transform.matrix() = matrix; |
| (...skipping 17 matching lines...) Expand all Loading... |
| 72 original_transform_ = transform; | 71 original_transform_ = transform; |
| 73 UpdateLayerBoundsAndTransform(); | 72 UpdateLayerBoundsAndTransform(); |
| 74 } | 73 } |
| 75 } | 74 } |
| 76 | 75 |
| 77 void WebLayerImplFixedBounds::UpdateLayerBoundsAndTransform() { | 76 void WebLayerImplFixedBounds::UpdateLayerBoundsAndTransform() { |
| 78 if (fixed_bounds_.IsEmpty() || original_bounds_.IsEmpty() || | 77 if (fixed_bounds_.IsEmpty() || original_bounds_.IsEmpty() || |
| 79 fixed_bounds_ == original_bounds_ || | 78 fixed_bounds_ == original_bounds_ || |
| 80 // For now fall back to non-fixed bounds for non-zero anchor point. | 79 // For now fall back to non-fixed bounds for non-zero anchor point. |
| 81 // TODO(wangxianzhu): Support non-zero anchor point for fixed bounds. | 80 // TODO(wangxianzhu): Support non-zero anchor point for fixed bounds. |
| 82 anchorPoint().x || anchorPoint().y) { | 81 anchorPoint().x || |
| 82 anchorPoint().y) { |
| 83 layer_->SetBounds(original_bounds_); | 83 layer_->SetBounds(original_bounds_); |
| 84 layer_->SetTransform(original_transform_); | 84 layer_->SetTransform(original_transform_); |
| 85 return; | 85 return; |
| 86 } | 86 } |
| 87 | 87 |
| 88 layer_->SetBounds(fixed_bounds_); | 88 layer_->SetBounds(fixed_bounds_); |
| 89 | 89 |
| 90 // Apply bounds scale (bounds/fixed_bounds) over original transform. | 90 // Apply bounds scale (bounds/fixed_bounds) over original transform. |
| 91 gfx::Transform transform_with_bounds_scale(original_transform_); | 91 gfx::Transform transform_with_bounds_scale(original_transform_); |
| 92 float bounds_scale_x = | 92 float bounds_scale_x = |
| 93 static_cast<float>(original_bounds_.width()) / fixed_bounds_.width(); | 93 static_cast<float>(original_bounds_.width()) / fixed_bounds_.width(); |
| 94 float bounds_scale_y = | 94 float bounds_scale_y = |
| 95 static_cast<float>(original_bounds_.height()) / fixed_bounds_.height(); | 95 static_cast<float>(original_bounds_.height()) / fixed_bounds_.height(); |
| 96 transform_with_bounds_scale.Scale(bounds_scale_x, bounds_scale_y); | 96 transform_with_bounds_scale.Scale(bounds_scale_x, bounds_scale_y); |
| 97 layer_->SetTransform(transform_with_bounds_scale); | 97 layer_->SetTransform(transform_with_bounds_scale); |
| 98 } | 98 } |
| 99 | 99 |
| 100 } // namespace webkit | 100 } // namespace content |
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