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Side by Side Diff: chrome/renderer/render_process.h

Issue 155944: Switch the first thread in a child process to be the main thread... (Closed) Base URL: svn://chrome-svn/chrome/trunk/src/
Patch Set: sync Created 11 years, 5 months ago
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1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2006-2008 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 CHROME_RENDERER_RENDER_PROCESS_H__ 5 #ifndef CHROME_RENDERER_RENDER_PROCESS_H__
6 #define CHROME_RENDERER_RENDER_PROCESS_H__ 6 #define CHROME_RENDERER_RENDER_PROCESS_H__
7 7
8 #include "base/timer.h" 8 #include "base/timer.h"
9 #include "chrome/common/child_process.h" 9 #include "chrome/common/child_process.h"
10 #include "chrome/renderer/render_thread.h" 10 #include "chrome/renderer/render_thread.h"
11 #include "skia/ext/platform_canvas.h" 11 #include "skia/ext/platform_canvas.h"
12 12
13 namespace gfx { 13 namespace gfx {
14 class Rect; 14 class Rect;
15 } 15 }
16 16
17 class TransportDIB; 17 class TransportDIB;
18 18
19 // Represents the renderer end of the browser<->renderer connection. The 19 // Represents the renderer end of the browser<->renderer connection. The
20 // opposite end is the RenderProcessHost. This is a singleton object for 20 // opposite end is the RenderProcessHost. This is a singleton object for
21 // each renderer. 21 // each renderer.
22 class RenderProcess : public ChildProcess { 22 class RenderProcess : public ChildProcess {
23 public: 23 public:
24 // This constructor grabs the channel name from the command line arguments.
25 RenderProcess(); 24 RenderProcess();
26 // This constructor uses the given channel name.
27 RenderProcess(const std::string& channel_name);
28
29 ~RenderProcess(); 25 ~RenderProcess();
30 26
31 // Get a canvas suitable for drawing and transporting to the browser 27 // Get a canvas suitable for drawing and transporting to the browser
32 // memory: (output) the transport DIB memory 28 // memory: (output) the transport DIB memory
33 // rect: the rectangle which will be painted, use for sizing the canvas 29 // rect: the rectangle which will be painted, use for sizing the canvas
34 // returns: NULL on error 30 // returns: NULL on error
35 // 31 //
36 // When no longer needed, you should pass the TransportDIB to 32 // When no longer needed, you should pass the TransportDIB to
37 // ReleaseTransportDIB so that it can be recycled. 33 // ReleaseTransportDIB so that it can be recycled.
38 skia::PlatformCanvas* GetDrawingCanvas( 34 skia::PlatformCanvas* GetDrawingCanvas(
39 TransportDIB** memory, const gfx::Rect& rect); 35 TransportDIB** memory, const gfx::Rect& rect);
40 36
41 // Frees shared memory allocated by AllocSharedMemory. You should only use 37 // Frees shared memory allocated by AllocSharedMemory. You should only use
42 // this function to free the SharedMemory object. 38 // this function to free the SharedMemory object.
43 void ReleaseTransportDIB(TransportDIB* memory); 39 void ReleaseTransportDIB(TransportDIB* memory);
44 40
45 // Returns true if plugins should be loaded in-process. 41 // Returns true if plugins should be loaded in-process.
46 bool in_process_plugins() const { return in_process_plugins_; } 42 bool in_process_plugins() const { return in_process_plugins_; }
47 43
48 bool initialized_media_library() const { return initialized_media_library_; } 44 bool initialized_media_library() const { return initialized_media_library_; }
49 45
50 // Returns a pointer to the RenderProcess singleton instance. 46 // Returns a pointer to the RenderProcess singleton instance.
51 static RenderProcess* current() { 47 static RenderProcess* current() {
52 return static_cast<RenderProcess*>(ChildProcess::current()); 48 return static_cast<RenderProcess*>(ChildProcess::current());
53 } 49 }
54 50
55 protected:
56 friend class RenderThread;
57 // Just like in_process_plugins(), but called before RenderProcess is created. 51 // Just like in_process_plugins(), but called before RenderProcess is created.
58 static bool InProcessPlugins(); 52 static bool InProcessPlugins();
59 53
60 private: 54 private:
61 void Init();
62
63 // Look in the shared memory cache for a suitable object to reuse. 55 // Look in the shared memory cache for a suitable object to reuse.
64 // result: (output) the memory found 56 // result: (output) the memory found
65 // size: the resulting memory will be >= this size, in bytes 57 // size: the resulting memory will be >= this size, in bytes
66 // returns: false if a suitable DIB memory could not be found 58 // returns: false if a suitable DIB memory could not be found
67 bool GetTransportDIBFromCache(TransportDIB** result, size_t size); 59 bool GetTransportDIBFromCache(TransportDIB** result, size_t size);
68 60
69 // Maybe put the given shared memory into the shared memory cache. Returns 61 // Maybe put the given shared memory into the shared memory cache. Returns
70 // true if the SharedMemory object was stored in the cache; otherwise, false 62 // true if the SharedMemory object was stored in the cache; otherwise, false
71 // is returned. 63 // is returned.
72 bool PutSharedMemInCache(TransportDIB* memory); 64 bool PutSharedMemInCache(TransportDIB* memory);
(...skipping 20 matching lines...) Expand all
93 // TransportDIB sequence number 85 // TransportDIB sequence number
94 uint32 sequence_number_; 86 uint32 sequence_number_;
95 87
96 bool in_process_plugins_; 88 bool in_process_plugins_;
97 bool initialized_media_library_; 89 bool initialized_media_library_;
98 90
99 DISALLOW_COPY_AND_ASSIGN(RenderProcess); 91 DISALLOW_COPY_AND_ASSIGN(RenderProcess);
100 }; 92 };
101 93
102 #endif // CHROME_RENDERER_RENDER_PROCESS_H__ 94 #endif // CHROME_RENDERER_RENDER_PROCESS_H__
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