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1 // Copyright 2016 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 "platform/graphics/CompositorMutableStateProvider.h" | |
6 | |
7 #include "cc/layers/layer_impl.h" | |
8 #include "cc/trees/layer_tree_impl.h" | |
9 #include "platform/graphics/CompositorMutableState.h" | |
10 #include "platform/graphics/CompositorMutation.h" | |
11 #include "wtf/PassOwnPtr.h" | |
12 | |
13 namespace blink { | |
14 | |
15 CompositorMutableStateProvider::CompositorMutableStateProvider(cc::LayerTreeImpl * state, CompositorMutations* mutations) | |
16 : m_state(state) | |
17 , m_mutations(mutations) | |
18 { | |
19 } | |
20 | |
21 CompositorMutableStateProvider::~CompositorMutableStateProvider() {} | |
22 | |
23 PassOwnPtr<CompositorMutableState> | |
24 CompositorMutableStateProvider::getMutableStateFor(uint64_t element_id) | |
25 { | |
26 cc::LayerTreeImpl::ElementLayers layers = m_state->GetMutableLayers(element_ id); | |
27 | |
28 if (!layers.main && !layers.scroll) | |
29 return nullptr; | |
30 | |
31 return adoptPtr<blink::CompositorMutableState>( | |
jbroman
2016/01/18 19:07:22
You shouldn't need to supply the template argument
Ian Vollick
2016/01/18 21:25:04
Done.
| |
32 new CompositorMutableState(&m_mutations->map[element_id], layers.main, l ayers.scroll)); | |
33 } | |
34 | |
35 } // namespace blink | |
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