OLD | NEW |
(Empty) | |
| 1 // Copyright 2015 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 "cc/blink/web_compositor_mutable_state_impl.h" |
| 6 |
| 7 #include "cc/animation/layer_tree_mutation.h" |
| 8 #include "cc/layers/layer_impl.h" |
| 9 #include "cc/trees/layer_tree_impl.h" |
| 10 |
| 11 namespace cc_blink { |
| 12 |
| 13 WebCompositorMutableStateImpl::WebCompositorMutableStateImpl( |
| 14 cc::LayerTreeMutation* mutation, |
| 15 cc::LayerImpl* main_layer, |
| 16 cc::LayerImpl* scroll_layer) |
| 17 : mutation_(mutation), |
| 18 main_layer_(main_layer), |
| 19 scroll_layer_(scroll_layer) {} |
| 20 |
| 21 WebCompositorMutableStateImpl::~WebCompositorMutableStateImpl() {} |
| 22 |
| 23 double WebCompositorMutableStateImpl::opacity() const { |
| 24 return main_layer_->opacity(); |
| 25 } |
| 26 |
| 27 void WebCompositorMutableStateImpl::setOpacity(double opacity) { |
| 28 if (!main_layer_) |
| 29 return; |
| 30 main_layer_->OnOpacityAnimated(opacity); |
| 31 mutation_->SetOpacity(opacity); |
| 32 } |
| 33 |
| 34 const SkMatrix44& WebCompositorMutableStateImpl::transform() const { |
| 35 static SkMatrix44 identity; |
| 36 return main_layer_ ? main_layer_->transform().matrix() : identity; |
| 37 } |
| 38 |
| 39 void WebCompositorMutableStateImpl::setTransform(const SkMatrix44& matrix) { |
| 40 if (!main_layer_) |
| 41 return; |
| 42 main_layer_->OnTransformAnimated(gfx::Transform(matrix)); |
| 43 mutation_->SetTransform(matrix); |
| 44 } |
| 45 |
| 46 double WebCompositorMutableStateImpl::scrollLeft() const { |
| 47 return scroll_layer_ ? scroll_layer_->CurrentScrollOffset().x() : 0.0; |
| 48 } |
| 49 |
| 50 void WebCompositorMutableStateImpl::setScrollLeft(double scroll_left) { |
| 51 if (!scroll_layer_) |
| 52 return; |
| 53 gfx::ScrollOffset offset = scroll_layer_->CurrentScrollOffset(); |
| 54 offset.set_x(scroll_left); |
| 55 scroll_layer_->OnScrollOffsetAnimated(offset); |
| 56 mutation_->SetScrollLeft(scroll_left); |
| 57 } |
| 58 |
| 59 double WebCompositorMutableStateImpl::scrollTop() const { |
| 60 return scroll_layer_ ? scroll_layer_->CurrentScrollOffset().y() : 0.0; |
| 61 } |
| 62 |
| 63 void WebCompositorMutableStateImpl::setScrollTop(double scroll_top) { |
| 64 if (!scroll_layer_) |
| 65 return; |
| 66 gfx::ScrollOffset offset = scroll_layer_->CurrentScrollOffset(); |
| 67 offset.set_y(scroll_top); |
| 68 scroll_layer_->OnScrollOffsetAnimated(offset); |
| 69 mutation_->SetScrollTop(scroll_top); |
| 70 } |
| 71 |
| 72 } // namespace cc_blink |
OLD | NEW |