Index: content/browser/font_list_async.h |
=================================================================== |
--- content/browser/font_list_async.h (revision 0) |
+++ content/browser/font_list_async.h (revision 0) |
@@ -0,0 +1,42 @@ |
+// Copyright (c) 2011 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 CONTENT_BROWSER_FONT_LIST_ASYNC_H_ |
+#define CONTENT_BROWSER_FONT_LIST_ASYNC_H_ |
+ |
+#include "base/callback.h" |
+#include "base/memory/ref_counted.h" |
+#include "base/memory/scoped_ptr.h" |
+ |
+class ListValue; |
+ |
+namespace content { |
+ |
+// Wraps ownership of a listvalue so we can send it across threads without |
viettrungluu
2011/05/18 20:21:18
s/listvalue/ListValue
|
+// having ownership problems (for example if the calling thread goes away |
+// before the callback is executed, we want the ListValue to be destroyed. |
viettrungluu
2011/05/18 20:21:18
)))))))))))))))))))))))))))))))))))))))))))))
brettw
2011/05/18 21:14:38
(((((((((((((((((((((((((((((((((((((((((((((
|
+struct FontListResult : public base::RefCountedThreadSafe<FontListResult> { |
+ FontListResult(); |
+ ~FontListResult(); |
+ |
+ scoped_ptr<ListValue> list; |
+}; |
+ |
+// Retrieves the list of fonts on the system as a list of strings. It provides |
+// a non-blocking interface to GetFontList_SlowBlocking in common/. |
+// |
+// This function will run asynchronously on a background thread since getting |
+// the font list from the system can be slow. This function may be called from |
+// any thread that has a BrowserThread::ID. The callback will be executed on |
+// the calling thread. |
+// |
+// If the caller wants to take ownership of the ListValue, it can just do |
+// FontListResult.list.release() or use scoped_ptr.swap() because this value |
+// isn't used for anything else. |
+void GetFontListAsync( |
+ const base::Callback<void(scoped_refptr<FontListResult>)>& callback); |
+ |
+} // namespace content |
+ |
+#endif // CONTENT_BROWSER_FONT_LIST_ASYNC_H_ |
Property changes on: content/browser/font_list_async.h |
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Added: svn:eol-style |
+ LF |