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Side by Side Diff: content/common/child_process_host_impl.h

Issue 671663002: Standardize usage of virtual/override/final in content/ (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 6 years, 2 months ago
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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2012 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_CHILD_PROCESS_HOST_IMPL_H_ 5 #ifndef CONTENT_COMMON_CHILD_PROCESS_HOST_IMPL_H_
6 #define CONTENT_COMMON_CHILD_PROCESS_HOST_IMPL_H_ 6 #define CONTENT_COMMON_CHILD_PROCESS_HOST_IMPL_H_
7 7
8 #include <string> 8 #include <string>
9 #include <vector> 9 #include <vector>
10 10
(...skipping 18 matching lines...) Expand all
29 29
30 namespace content { 30 namespace content {
31 class ChildProcessHostDelegate; 31 class ChildProcessHostDelegate;
32 32
33 // Provides common functionality for hosting a child process and processing IPC 33 // Provides common functionality for hosting a child process and processing IPC
34 // messages between the host and the child process. Users are responsible 34 // messages between the host and the child process. Users are responsible
35 // for the actual launching and terminating of the child processes. 35 // for the actual launching and terminating of the child processes.
36 class CONTENT_EXPORT ChildProcessHostImpl : public ChildProcessHost, 36 class CONTENT_EXPORT ChildProcessHostImpl : public ChildProcessHost,
37 public IPC::Listener { 37 public IPC::Listener {
38 public: 38 public:
39 virtual ~ChildProcessHostImpl(); 39 ~ChildProcessHostImpl() override;
40 40
41 // Public and static for reuse by RenderMessageFilter. 41 // Public and static for reuse by RenderMessageFilter.
42 static void AllocateSharedMemory( 42 static void AllocateSharedMemory(
43 size_t buffer_size, base::ProcessHandle child_process, 43 size_t buffer_size, base::ProcessHandle child_process,
44 base::SharedMemoryHandle* handle); 44 base::SharedMemoryHandle* handle);
45 45
46 // Returns a unique ID to identify a child process. On construction, this 46 // Returns a unique ID to identify a child process. On construction, this
47 // function will be used to generate the id_, but it is also used to generate 47 // function will be used to generate the id_, but it is also used to generate
48 // IDs for the RenderProcessHost, which doesn't inherit from us, and whose IDs 48 // IDs for the RenderProcessHost, which doesn't inherit from us, and whose IDs
49 // must be unique for all child processes. 49 // must be unique for all child processes.
50 // 50 //
51 // This function is threadsafe since RenderProcessHost is on the UI thread, 51 // This function is threadsafe since RenderProcessHost is on the UI thread,
52 // but normally this will be used on the IO thread. 52 // but normally this will be used on the IO thread.
53 // 53 //
54 // This will never return ChildProcessHost::kInvalidUniqueID. 54 // This will never return ChildProcessHost::kInvalidUniqueID.
55 static int GenerateChildProcessUniqueId(); 55 static int GenerateChildProcessUniqueId();
56 56
57 // ChildProcessHost implementation 57 // ChildProcessHost implementation
58 virtual bool Send(IPC::Message* message) override; 58 bool Send(IPC::Message* message) override;
59 virtual void ForceShutdown() override; 59 void ForceShutdown() override;
60 virtual std::string CreateChannel() override; 60 std::string CreateChannel() override;
61 virtual bool IsChannelOpening() override; 61 bool IsChannelOpening() override;
62 virtual void AddFilter(IPC::MessageFilter* filter) override; 62 void AddFilter(IPC::MessageFilter* filter) override;
63 #if defined(OS_POSIX) 63 #if defined(OS_POSIX)
64 virtual base::ScopedFD TakeClientFileDescriptor() override; 64 base::ScopedFD TakeClientFileDescriptor() override;
65 #endif 65 #endif
66 66
67 private: 67 private:
68 friend class ChildProcessHost; 68 friend class ChildProcessHost;
69 69
70 explicit ChildProcessHostImpl(ChildProcessHostDelegate* delegate); 70 explicit ChildProcessHostImpl(ChildProcessHostDelegate* delegate);
71 71
72 // IPC::Listener methods: 72 // IPC::Listener methods:
73 virtual bool OnMessageReceived(const IPC::Message& msg) override; 73 bool OnMessageReceived(const IPC::Message& msg) override;
74 virtual void OnChannelConnected(int32 peer_pid) override; 74 void OnChannelConnected(int32 peer_pid) override;
75 virtual void OnChannelError() override; 75 void OnChannelError() override;
76 virtual void OnBadMessageReceived(const IPC::Message& message) override; 76 void OnBadMessageReceived(const IPC::Message& message) override;
77 77
78 // Message handlers: 78 // Message handlers:
79 void OnShutdownRequest(); 79 void OnShutdownRequest();
80 void OnAllocateSharedMemory(uint32 buffer_size, 80 void OnAllocateSharedMemory(uint32 buffer_size,
81 base::SharedMemoryHandle* handle); 81 base::SharedMemoryHandle* handle);
82 void OnAllocateGpuMemoryBuffer(uint32 width, 82 void OnAllocateGpuMemoryBuffer(uint32 width,
83 uint32 height, 83 uint32 height,
84 gfx::GpuMemoryBuffer::Format format, 84 gfx::GpuMemoryBuffer::Format format,
85 gfx::GpuMemoryBuffer::Usage usage, 85 gfx::GpuMemoryBuffer::Usage usage,
86 IPC::Message* reply); 86 IPC::Message* reply);
(...skipping 13 matching lines...) Expand all
100 // thread, we don't have a IPC::ChannelProxy and so we manage filters 100 // thread, we don't have a IPC::ChannelProxy and so we manage filters
101 // manually. 101 // manually.
102 std::vector<scoped_refptr<IPC::MessageFilter> > filters_; 102 std::vector<scoped_refptr<IPC::MessageFilter> > filters_;
103 103
104 DISALLOW_COPY_AND_ASSIGN(ChildProcessHostImpl); 104 DISALLOW_COPY_AND_ASSIGN(ChildProcessHostImpl);
105 }; 105 };
106 106
107 } // namespace content 107 } // namespace content
108 108
109 #endif // CONTENT_COMMON_CHILD_PROCESS_HOST_IMPL_H_ 109 #endif // CONTENT_COMMON_CHILD_PROCESS_HOST_IMPL_H_
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