Index: components/translate/content/renderer/data_file_renderer_cld_data_provider.h |
diff --git a/components/translate/content/renderer/data_file_renderer_cld_data_provider.h b/components/translate/content/renderer/data_file_renderer_cld_data_provider.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..ab8cf26d60f76d9581382394830a121f34dbcdfb |
--- /dev/null |
+++ b/components/translate/content/renderer/data_file_renderer_cld_data_provider.h |
@@ -0,0 +1,52 @@ |
+// Copyright 2014 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#ifndef COMPONENTS_TRANSLATE_CONTENT_RENDERER_DATA_FILE_RENDERER_CLD_DATA_PROVIDER_H_ |
+#define COMPONENTS_TRANSLATE_CONTENT_RENDERER_DATA_FILE_RENDERER_CLD_DATA_PROVIDER_H_ |
+ |
+#include "base/files/file.h" |
+#include "base/files/memory_mapped_file.h" |
+#include "base/lazy_instance.h" |
+#include "base/macros.h" |
+#include "base/memory/weak_ptr.h" |
+#include "components/translate/content/renderer/renderer_cld_data_provider.h" |
+#include "ipc/ipc_platform_file.h" |
+ |
+namespace content { |
droger
2014/06/19 16:13:19
namespace translate
Andrew Hayden (chromium.org)
2014/06/19 19:49:30
Done.
|
+ |
+class DataFileRendererCldDataProvider : public RendererCldDataProvider { |
+ public: |
+ explicit DataFileRendererCldDataProvider(content::RenderViewObserver*); |
+ ~DataFileRendererCldDataProvider(); |
+ // RendererCldDataProvider implementations: |
+ bool OnMessageReceived(const IPC::Message&); |
droger
2014/06/19 16:13:19
virtual and OVERRIDE?
Andrew Hayden (chromium.org)
2014/06/19 19:49:30
As above, leaving virtual out but OVERRIDE is in.
|
+ void SendCldDataRequest(); |
+ void SetCldAvailableCallback(base::Callback<void(void)>); |
+ bool IsCldDataAvailable(); |
+ |
+ private: |
+ void OnCldDataAvailable(const IPC::PlatformFileForTransit ipc_file_handle, |
+ const uint64 data_offset, |
+ const uint64 data_length); |
+ void LoadCldData(base::File file, |
+ const uint64 data_offset, |
+ const uint64 data_length); |
+ content::RenderViewObserver* render_view_observer; |
+ base::Callback<void(void)> cld_available_callback; |
+ // A struct that contains the pointer to the CLD mmap. Used so that we can |
+ // leverage LazyInstance:Leaky to properly scope the lifetime of the mmap. |
+ struct CLDMmapWrapper { |
+ CLDMmapWrapper() { |
+ value = NULL; |
+ } |
+ base::MemoryMappedFile* value; |
+ }; |
+ static base::LazyInstance<CLDMmapWrapper>::Leaky s_cld_mmap_; |
+ |
+ DISALLOW_COPY_AND_ASSIGN(DataFileRendererCldDataProvider); |
+}; |
+ |
+} // namespace content |
+ |
+#endif // COMPONENTS_TRANSLATE_CONTENT_RENDERER_DATA_FILE_RENDERER_CLD_DATA_PROVIDER_H_ |