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| 1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 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 #ifndef CONTENT_COMMON_HOST_SHARED_BITMAP_MANAGER_H_ | 5 #ifndef COMPONENTS_DISPLAY_COMPOSITOR_HOST_SHARED_BITMAP_MANAGER_H_ |
| 6 #define CONTENT_COMMON_HOST_SHARED_BITMAP_MANAGER_H_ | 6 #define COMPONENTS_DISPLAY_COMPOSITOR_HOST_SHARED_BITMAP_MANAGER_H_ |
| 7 | 7 |
| 8 #include <stddef.h> | 8 #include <stddef.h> |
| 9 | 9 |
| 10 #include <map> | 10 #include <map> |
| 11 #include <memory> | 11 #include <memory> |
| 12 #include <set> | 12 #include <set> |
| 13 | 13 |
| 14 #include "base/containers/hash_tables.h" | 14 #include "base/containers/hash_tables.h" |
| 15 #include "base/hash.h" | 15 #include "base/hash.h" |
| 16 #include "base/macros.h" | 16 #include "base/macros.h" |
| 17 #include "base/memory/ref_counted.h" | 17 #include "base/memory/ref_counted.h" |
| 18 #include "base/memory/shared_memory.h" | 18 #include "base/memory/shared_memory.h" |
| 19 #include "base/synchronization/lock.h" | 19 #include "base/synchronization/lock.h" |
| 20 #include "base/trace_event/memory_dump_provider.h" | 20 #include "base/trace_event/memory_dump_provider.h" |
| 21 #include "cc/resources/shared_bitmap_manager.h" | 21 #include "cc/resources/shared_bitmap_manager.h" |
| 22 #include "content/common/content_export.h" | 22 #include "components/display_compositor/display_compositor_export.h" |
| 23 #include "components/display_compositor/interfaces/shared_bitmap_manager.mojom.h
" |
| 23 | 24 |
| 24 namespace BASE_HASH_NAMESPACE { | 25 namespace BASE_HASH_NAMESPACE { |
| 25 template <> | 26 template <> |
| 26 struct hash<cc::SharedBitmapId> { | 27 struct hash<cc::SharedBitmapId> { |
| 27 size_t operator()(const cc::SharedBitmapId& id) const { | 28 size_t operator()(const cc::SharedBitmapId& id) const { |
| 28 return base::Hash(reinterpret_cast<const char*>(id.name), sizeof(id.name)); | 29 return base::Hash(reinterpret_cast<const char*>(id.name), sizeof(id.name)); |
| 29 } | 30 } |
| 30 }; | 31 }; |
| 31 } // namespace BASE_HASH_NAMESPACE | 32 } // namespace BASE_HASH_NAMESPACE |
| 32 | 33 |
| 33 namespace content { | 34 namespace display_compositor { |
| 34 class BitmapData; | 35 class BitmapData; |
| 35 class HostSharedBitmapManager; | 36 class HostSharedBitmapManager; |
| 36 | 37 |
| 37 class CONTENT_EXPORT HostSharedBitmapManagerClient { | 38 class DISPLAY_COMPOSITOR_EXPORT HostSharedBitmapManagerClient { |
| 38 public: | 39 public: |
| 39 explicit HostSharedBitmapManagerClient(HostSharedBitmapManager* manager); | 40 explicit HostSharedBitmapManagerClient(HostSharedBitmapManager* manager); |
| 40 | 41 |
| 41 ~HostSharedBitmapManagerClient(); | 42 ~HostSharedBitmapManagerClient(); |
| 42 | 43 |
| 44 void Bind(mojom::SharedBitmapManagerRequest request); |
| 45 |
| 43 void AllocateSharedBitmapForChild( | 46 void AllocateSharedBitmapForChild( |
| 44 base::ProcessHandle process_handle, | 47 base::ProcessHandle process_handle, |
| 45 size_t buffer_size, | 48 size_t buffer_size, |
| 46 const cc::SharedBitmapId& id, | 49 const cc::SharedBitmapId& id, |
| 47 base::SharedMemoryHandle* shared_memory_handle); | 50 base::SharedMemoryHandle* shared_memory_handle); |
| 48 void ChildAllocatedSharedBitmap(size_t buffer_size, | 51 void ChildAllocatedSharedBitmap(size_t buffer_size, |
| 49 const base::SharedMemoryHandle& handle, | 52 const base::SharedMemoryHandle& handle, |
| 50 const cc::SharedBitmapId& id); | 53 const cc::SharedBitmapId& id); |
| 51 void ChildDeletedSharedBitmap(const cc::SharedBitmapId& id); | 54 void ChildDeletedSharedBitmap(const cc::SharedBitmapId& id); |
| 52 | 55 |
| 53 private: | 56 private: |
| 54 HostSharedBitmapManager* manager_; | 57 HostSharedBitmapManager* manager_; |
| 55 | 58 |
| 56 // Lock must be held around access to owned_bitmaps_. | 59 // Lock must be held around access to owned_bitmaps_. |
| 57 base::Lock lock_; | 60 base::Lock lock_; |
| 58 base::hash_set<cc::SharedBitmapId> owned_bitmaps_; | 61 base::hash_set<cc::SharedBitmapId> owned_bitmaps_; |
| 59 | 62 |
| 60 DISALLOW_COPY_AND_ASSIGN(HostSharedBitmapManagerClient); | 63 DISALLOW_COPY_AND_ASSIGN(HostSharedBitmapManagerClient); |
| 61 }; | 64 }; |
| 62 | 65 |
| 63 class CONTENT_EXPORT HostSharedBitmapManager | 66 class DISPLAY_COMPOSITOR_EXPORT HostSharedBitmapManager |
| 64 : public cc::SharedBitmapManager, | 67 : public cc::SharedBitmapManager, |
| 65 public base::trace_event::MemoryDumpProvider { | 68 public base::trace_event::MemoryDumpProvider { |
| 66 public: | 69 public: |
| 67 HostSharedBitmapManager(); | 70 HostSharedBitmapManager(); |
| 68 ~HostSharedBitmapManager() override; | 71 ~HostSharedBitmapManager() override; |
| 69 | 72 |
| 70 static HostSharedBitmapManager* current(); | 73 static HostSharedBitmapManager* current(); |
| 71 | 74 |
| 72 // cc::SharedBitmapManager implementation. | 75 // cc::SharedBitmapManager implementation. |
| 73 std::unique_ptr<cc::SharedBitmap> AllocateSharedBitmap( | 76 std::unique_ptr<cc::SharedBitmap> AllocateSharedBitmap( |
| (...skipping 18 matching lines...) Expand all Loading... |
| 92 size_t buffer_size, | 95 size_t buffer_size, |
| 93 const cc::SharedBitmapId& id, | 96 const cc::SharedBitmapId& id, |
| 94 base::SharedMemoryHandle* shared_memory_handle); | 97 base::SharedMemoryHandle* shared_memory_handle); |
| 95 bool ChildAllocatedSharedBitmap(size_t buffer_size, | 98 bool ChildAllocatedSharedBitmap(size_t buffer_size, |
| 96 const base::SharedMemoryHandle& handle, | 99 const base::SharedMemoryHandle& handle, |
| 97 const cc::SharedBitmapId& id); | 100 const cc::SharedBitmapId& id); |
| 98 void ChildDeletedSharedBitmap(const cc::SharedBitmapId& id); | 101 void ChildDeletedSharedBitmap(const cc::SharedBitmapId& id); |
| 99 | 102 |
| 100 mutable base::Lock lock_; | 103 mutable base::Lock lock_; |
| 101 | 104 |
| 102 typedef base::hash_map<cc::SharedBitmapId, scoped_refptr<BitmapData> > | 105 typedef base::hash_map<cc::SharedBitmapId, scoped_refptr<BitmapData>> |
| 103 BitmapMap; | 106 BitmapMap; |
| 104 BitmapMap handle_map_; | 107 BitmapMap handle_map_; |
| 105 | 108 |
| 106 DISALLOW_COPY_AND_ASSIGN(HostSharedBitmapManager); | 109 DISALLOW_COPY_AND_ASSIGN(HostSharedBitmapManager); |
| 107 }; | 110 }; |
| 108 | 111 |
| 109 } // namespace content | 112 } // namespace display_compositor |
| 110 | 113 |
| 111 #endif // CONTENT_COMMON_HOST_SHARED_BITMAP_MANAGER_H_ | 114 #endif // COMPONENTS_DISPLAY_COMPOSITOR_HOST_SHARED_BITMAP_MANAGER_H_ |
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