Index: components/translate/content/renderer/renderer_cld_data_provider.cc |
diff --git a/components/translate/content/renderer/renderer_cld_data_provider.cc b/components/translate/content/renderer/renderer_cld_data_provider.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..43b2b072b6faad2ad45d393be99496b856373d7a |
--- /dev/null |
+++ b/components/translate/content/renderer/renderer_cld_data_provider.cc |
@@ -0,0 +1,67 @@ |
+// 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. |
+ |
+#include "base/lazy_instance.h" |
+#include "components/translate/content/renderer/renderer_cld_data_provider.h" |
+ |
+namespace { |
+translate::RendererCldDataProvider* g_instance = NULL; |
Takashi Toyoshima
2014/10/15 08:45:07
empty line between line 8 and 9.
Andrew Hayden (chromium.org)
2014/10/30 16:56:32
Done.
|
+ |
+// The default is a no-op implementation used to avoid a hard-crash if code |
+// fails to set a more functional version. |
+struct WrappedDefault { |
+ WrappedDefault() { |
+ value = new translate::RendererCldDataProvider(); |
+ } |
+ translate::RendererCldDataProvider* value; |
+}; |
+base::LazyInstance<WrappedDefault>::Leaky g_wrapped_default = |
+ LAZY_INSTANCE_INITIALIZER; |
+ |
+} // namespace |
+ |
+ |
+namespace translate { |
+ |
+RendererCldDataProvider::RendererCldDataProvider() { |
+} |
+ |
+bool RendererCldDataProvider::OnMessageReceived(const IPC::Message&) { |
+ return false; // Message not handled |
+} |
+ |
+void RendererCldDataProvider::SendCldDataRequest() { |
+} |
+ |
+bool RendererCldDataProvider::IsCldDataAvailable() { |
+ return true; // Vacuously true |
+} |
+ |
+void RendererCldDataProvider::SetCldAvailableCallback( |
+ base::Callback<void(void)> callback) { |
+ callback.Run(); |
+} |
+ |
+void RendererCldDataProvider::Set( |
+ RendererCldDataProvider* instance, bool overwrite) { |
+ if (overwrite || g_instance == NULL) { |
+ g_instance = instance; |
+ } |
+} |
+ |
+bool RendererCldDataProvider::IsInitialized() { |
+ return g_instance != NULL; |
+} |
+ |
+RendererCldDataProvider* RendererCldDataProvider::Get() { |
+ if (g_instance == NULL) { |
+ // No provider set. OK for test code and narrow use cases, but bad if it is |
+ // a real renderer. Since there's no good way to differentiate these use |
+ // cases at runtime, don't log a warning here. |
+ return g_wrapped_default.Get().value; |
+ } |
+ return g_instance; |
+} |
+ |
+} // namespace translate |