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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 #include "content/child/child_shared_bitmap_manager.h" | 5 #include "content/child/child_shared_bitmap_manager.h" |
| 6 | 6 |
| 7 #include <stddef.h> | 7 #include <stddef.h> |
| 8 #include <utility> |
| 8 | 9 |
| 9 #include "base/debug/alias.h" | 10 #include "base/debug/alias.h" |
| 10 #include "base/process/memory.h" | 11 #include "base/process/memory.h" |
| 11 #include "base/process/process_metrics.h" | 12 #include "base/process/process_metrics.h" |
| 12 #include "build/build_config.h" | 13 #include "build/build_config.h" |
| 13 #include "content/child/child_thread_impl.h" | 14 #include "content/child/child_thread_impl.h" |
| 14 #include "content/common/child_process_messages.h" | 15 #include "content/common/child_process_messages.h" |
| 15 #include "ui/gfx/geometry/size.h" | 16 #include "ui/gfx/geometry/size.h" |
| 16 | 17 |
| 17 namespace content { | 18 namespace content { |
| 18 | 19 |
| 19 namespace { | 20 namespace { |
| 20 | 21 |
| 21 class ChildSharedBitmap : public SharedMemoryBitmap { | 22 class ChildSharedBitmap : public SharedMemoryBitmap { |
| 22 public: | 23 public: |
| 23 ChildSharedBitmap(scoped_refptr<ThreadSafeSender> sender, | 24 ChildSharedBitmap(scoped_refptr<ThreadSafeSender> sender, |
| 24 base::SharedMemory* shared_memory, | 25 base::SharedMemory* shared_memory, |
| 25 const cc::SharedBitmapId& id) | 26 const cc::SharedBitmapId& id) |
| 26 : SharedMemoryBitmap(static_cast<uint8_t*>(shared_memory->memory()), | 27 : SharedMemoryBitmap(static_cast<uint8_t*>(shared_memory->memory()), |
| 27 id, | 28 id, |
| 28 shared_memory), | 29 shared_memory), |
| 29 sender_(sender) {} | 30 sender_(sender) {} |
| 30 | 31 |
| 31 ChildSharedBitmap(scoped_refptr<ThreadSafeSender> sender, | 32 ChildSharedBitmap(scoped_refptr<ThreadSafeSender> sender, |
| 32 scoped_ptr<base::SharedMemory> shared_memory_holder, | 33 scoped_ptr<base::SharedMemory> shared_memory_holder, |
| 33 const cc::SharedBitmapId& id) | 34 const cc::SharedBitmapId& id) |
| 34 : ChildSharedBitmap(sender, shared_memory_holder.get(), id) { | 35 : ChildSharedBitmap(sender, shared_memory_holder.get(), id) { |
| 35 shared_memory_holder_ = shared_memory_holder.Pass(); | 36 shared_memory_holder_ = std::move(shared_memory_holder); |
| 36 } | 37 } |
| 37 | 38 |
| 38 ~ChildSharedBitmap() override { | 39 ~ChildSharedBitmap() override { |
| 39 sender_->Send(new ChildProcessHostMsg_DeletedSharedBitmap(id())); | 40 sender_->Send(new ChildProcessHostMsg_DeletedSharedBitmap(id())); |
| 40 } | 41 } |
| 41 | 42 |
| 42 private: | 43 private: |
| 43 scoped_refptr<ThreadSafeSender> sender_; | 44 scoped_refptr<ThreadSafeSender> sender_; |
| 44 scoped_ptr<base::SharedMemory> shared_memory_holder_; | 45 scoped_ptr<base::SharedMemory> shared_memory_holder_; |
| 45 }; | 46 }; |
| (...skipping 37 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 83 ChildSharedBitmapManager::~ChildSharedBitmapManager() {} | 84 ChildSharedBitmapManager::~ChildSharedBitmapManager() {} |
| 84 | 85 |
| 85 scoped_ptr<cc::SharedBitmap> ChildSharedBitmapManager::AllocateSharedBitmap( | 86 scoped_ptr<cc::SharedBitmap> ChildSharedBitmapManager::AllocateSharedBitmap( |
| 86 const gfx::Size& size) { | 87 const gfx::Size& size) { |
| 87 scoped_ptr<SharedMemoryBitmap> bitmap = AllocateSharedMemoryBitmap(size); | 88 scoped_ptr<SharedMemoryBitmap> bitmap = AllocateSharedMemoryBitmap(size); |
| 88 #if defined(OS_POSIX) | 89 #if defined(OS_POSIX) |
| 89 // Close file descriptor to avoid running out. | 90 // Close file descriptor to avoid running out. |
| 90 if (bitmap) | 91 if (bitmap) |
| 91 bitmap->shared_memory()->Close(); | 92 bitmap->shared_memory()->Close(); |
| 92 #endif | 93 #endif |
| 93 return bitmap.Pass(); | 94 return std::move(bitmap); |
| 94 } | 95 } |
| 95 | 96 |
| 96 scoped_ptr<SharedMemoryBitmap> | 97 scoped_ptr<SharedMemoryBitmap> |
| 97 ChildSharedBitmapManager::AllocateSharedMemoryBitmap(const gfx::Size& size) { | 98 ChildSharedBitmapManager::AllocateSharedMemoryBitmap(const gfx::Size& size) { |
| 98 TRACE_EVENT2("renderer", | 99 TRACE_EVENT2("renderer", |
| 99 "ChildSharedBitmapManager::AllocateSharedMemoryBitmap", "width", | 100 "ChildSharedBitmapManager::AllocateSharedMemoryBitmap", "width", |
| 100 size.width(), "height", size.height()); | 101 size.width(), "height", size.height()); |
| 101 size_t memory_size; | 102 size_t memory_size; |
| 102 if (!cc::SharedBitmap::SizeInBytes(size, &memory_size)) | 103 if (!cc::SharedBitmap::SizeInBytes(size, &memory_size)) |
| 103 return scoped_ptr<SharedMemoryBitmap>(); | 104 return scoped_ptr<SharedMemoryBitmap>(); |
| (...skipping 11 matching lines...) Expand all Loading... |
| 115 if (!memory) | 116 if (!memory) |
| 116 CollectMemoryUsageAndDie(size, memory_size); | 117 CollectMemoryUsageAndDie(size, memory_size); |
| 117 | 118 |
| 118 if (!memory->Map(memory_size)) | 119 if (!memory->Map(memory_size)) |
| 119 CollectMemoryUsageAndDie(size, memory_size); | 120 CollectMemoryUsageAndDie(size, memory_size); |
| 120 | 121 |
| 121 base::SharedMemoryHandle handle_to_send = memory->handle(); | 122 base::SharedMemoryHandle handle_to_send = memory->handle(); |
| 122 sender_->Send(new ChildProcessHostMsg_AllocatedSharedBitmap( | 123 sender_->Send(new ChildProcessHostMsg_AllocatedSharedBitmap( |
| 123 memory_size, handle_to_send, id)); | 124 memory_size, handle_to_send, id)); |
| 124 #endif | 125 #endif |
| 125 return make_scoped_ptr(new ChildSharedBitmap(sender_, memory.Pass(), id)); | 126 return make_scoped_ptr(new ChildSharedBitmap(sender_, std::move(memory), id)); |
| 126 } | 127 } |
| 127 | 128 |
| 128 scoped_ptr<cc::SharedBitmap> ChildSharedBitmapManager::GetSharedBitmapFromId( | 129 scoped_ptr<cc::SharedBitmap> ChildSharedBitmapManager::GetSharedBitmapFromId( |
| 129 const gfx::Size&, | 130 const gfx::Size&, |
| 130 const cc::SharedBitmapId&) { | 131 const cc::SharedBitmapId&) { |
| 131 NOTREACHED(); | 132 NOTREACHED(); |
| 132 return scoped_ptr<cc::SharedBitmap>(); | 133 return scoped_ptr<cc::SharedBitmap>(); |
| 133 } | 134 } |
| 134 | 135 |
| 135 scoped_ptr<cc::SharedBitmap> ChildSharedBitmapManager::GetBitmapForSharedMemory( | 136 scoped_ptr<cc::SharedBitmap> ChildSharedBitmapManager::GetBitmapForSharedMemory( |
| 136 base::SharedMemory* mem) { | 137 base::SharedMemory* mem) { |
| 137 cc::SharedBitmapId id = cc::SharedBitmap::GenerateId(); | 138 cc::SharedBitmapId id = cc::SharedBitmap::GenerateId(); |
| 138 base::SharedMemoryHandle handle_to_send = mem->handle(); | 139 base::SharedMemoryHandle handle_to_send = mem->handle(); |
| 139 #if defined(OS_POSIX) | 140 #if defined(OS_POSIX) |
| 140 if (!mem->ShareToProcess(base::GetCurrentProcessHandle(), &handle_to_send)) | 141 if (!mem->ShareToProcess(base::GetCurrentProcessHandle(), &handle_to_send)) |
| 141 return scoped_ptr<cc::SharedBitmap>(); | 142 return scoped_ptr<cc::SharedBitmap>(); |
| 142 #endif | 143 #endif |
| 143 sender_->Send(new ChildProcessHostMsg_AllocatedSharedBitmap( | 144 sender_->Send(new ChildProcessHostMsg_AllocatedSharedBitmap( |
| 144 mem->mapped_size(), handle_to_send, id)); | 145 mem->mapped_size(), handle_to_send, id)); |
| 145 | 146 |
| 146 return make_scoped_ptr(new ChildSharedBitmap(sender_, mem, id)); | 147 return make_scoped_ptr(new ChildSharedBitmap(sender_, mem, id)); |
| 147 } | 148 } |
| 148 | 149 |
| 149 } // namespace content | 150 } // namespace content |
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