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1 // Copyright 2016 The Chromium Authors. All rights reserved. | 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 | 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 "cc/surfaces/sequence_surface_reference_factory.h" | 5 #include "cc/surfaces/sequence_surface_reference_factory.h" |
6 | 6 |
| 7 #include "base/memory/ptr_util.h" |
7 #include "cc/surfaces/sequence_surface_reference.h" | 8 #include "cc/surfaces/sequence_surface_reference.h" |
8 | 9 |
9 namespace cc { | 10 namespace cc { |
10 | 11 |
11 std::unique_ptr<SurfaceReferenceBase> | 12 std::unique_ptr<SurfaceReferenceBase> |
12 SequenceSurfaceReferenceFactory::CreateReference( | 13 SequenceSurfaceReferenceFactory::CreateReference( |
13 SurfaceReferenceOwner* owner, | 14 SurfaceReferenceOwner* owner, |
14 const SurfaceId& surface_id) const { | 15 const SurfaceId& surface_id) const { |
15 auto seq = owner->GetSurfaceSequenceGenerator()->CreateSurfaceSequence(); | 16 auto seq = owner->GetSurfaceSequenceGenerator()->CreateSurfaceSequence(); |
16 RequireSequence(surface_id, seq); | 17 RequireSequence(surface_id, seq); |
17 return base::MakeUnique<SequenceSurfaceReference>(make_scoped_refptr(this), | 18 return base::MakeUnique<SequenceSurfaceReference>(make_scoped_refptr(this), |
18 seq); | 19 seq); |
19 } | 20 } |
20 | 21 |
21 void SequenceSurfaceReferenceFactory::DestroyReference( | 22 void SequenceSurfaceReferenceFactory::DestroyReference( |
22 SurfaceReferenceBase* surface_ref) const { | 23 SurfaceReferenceBase* surface_ref) const { |
23 // This method can only be called by a SurfaceReferenceBase because it's | 24 // This method can only be called by a SurfaceReferenceBase because it's |
24 // private and only SurfaceReferenceBase is a friend. The reference only | 25 // private and only SurfaceReferenceBase is a friend. The reference only |
25 // calls this method on the factory that created it. So it's safe to cast | 26 // calls this method on the factory that created it. So it's safe to cast |
26 // the passed reference to the type returned by CreateReference. | 27 // the passed reference to the type returned by CreateReference. |
27 auto ref = static_cast<SequenceSurfaceReference*>(surface_ref); | 28 auto ref = static_cast<SequenceSurfaceReference*>(surface_ref); |
28 SatisfySequence(ref->sequence()); | 29 SatisfySequence(ref->sequence()); |
29 } | 30 } |
30 | 31 |
31 } // namespace cc | 32 } // namespace cc |
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