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1 // Copyright 2014 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef CHROME_RENDERER_TRANSLATE_DATA_FILE_RENDERER_CLD_DATA_PROVIDER_H_ | |
Takashi Toyoshima
2014/06/19 10:20:35
macro name
Andrew Hayden (chromium.org)
2014/06/19 13:40:20
Done.
| |
6 #define CHROME_RENDERER_TRANSLATE_DATA_FILE_RENDERER_CLD_DATA_PROVIDER_H_ | |
7 | |
8 #include "base/files/file.h" | |
9 #include "base/files/memory_mapped_file.h" | |
10 #include "base/lazy_instance.h" | |
11 #include "base/memory/weak_ptr.h" | |
12 #include "components/translate/content/renderer/renderer_cld_data_provider.h" | |
13 #include "content/public/renderer/render_view_observer.h" | |
14 #include "ipc/ipc_message.h" | |
15 #include "ipc/ipc_platform_file.h" | |
16 | |
17 namespace content { | |
18 | |
19 class DataFileRendererCldDataProvider : public RendererCldDataProvider { | |
20 public: | |
21 DataFileRendererCldDataProvider(content::RenderViewObserver*); | |
Takashi Toyoshima
2014/06/19 10:20:35
explicit
Andrew Hayden (chromium.org)
2014/06/19 13:40:20
Done.
| |
22 bool OnMessageReceived(const IPC::Message&); | |
23 void SendCldDataRequest(); | |
24 void SetCldAvailableCallback(base::Callback<void(void)>); | |
25 bool IsCldDataAvailable(); | |
26 private: | |
27 void OnCldDataAvailable(const IPC::PlatformFileForTransit ipc_file_handle, | |
28 const uint64 data_offset, | |
29 const uint64 data_length); | |
30 void LoadCldData(base::File file, | |
31 const uint64 data_offset, | |
32 const uint64 data_length); | |
33 content::RenderViewObserver* render_view_observer; | |
34 base::Callback<void(void)> cld_available_callback; | |
35 // A struct that contains the pointer to the CLD mmap. Used so that we can | |
36 // leverage LazyInstance:Leaky to properly scope the lifetime of the mmap. | |
37 struct CLDMmapWrapper { | |
38 CLDMmapWrapper() { | |
39 value = NULL; | |
40 } | |
41 base::MemoryMappedFile* value; | |
42 }; | |
43 static base::LazyInstance<CLDMmapWrapper>::Leaky s_cld_mmap_; | |
Takashi Toyoshima
2014/06/19 10:20:35
DISALLOW_COPY_AND_ASSIGN
Andrew Hayden (chromium.org)
2014/06/19 13:40:20
Done.
| |
44 }; | |
45 | |
46 // Implementation of the static factory method from BrowserCldDataProvider, | |
47 // hooking up this specific implementation for all of Chromium. | |
48 RendererCldDataProvider* RendererCldDataProviderFor( | |
Takashi Toyoshima
2014/06/19 10:20:35
ditto, any reason to implement this in a header?
Andrew Hayden (chromium.org)
2014/06/19 13:40:20
Same response, moved to .cc file.
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49 content::RenderViewObserver* render_view_observer) { | |
50 return new DataFileRendererCldDataProvider(render_view_observer); | |
51 } | |
52 | |
53 } // namespace content | |
54 | |
55 #endif // CHROME_RENDERER_TRANSLATE_DATA_FILE_RENDERER_CLD_DATA_PROVIDER_H_ | |
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