1 // Copyright (c) 2011 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 CONTENT_PUBLIC_BROWSER_FONT_LIST_ASYNC_H_ 6 #define CONTENT_PUBLIC_BROWSER_FONT_LIST_ASYNC_H_ 7 8 #include "base/callback_forward.h" 9 #include "base/memory/scoped_ptr.h" 10 #include "content/common/content_export.h" 11 12 namespace base { 13 class ListValue; 14 } 15 16 namespace content { 17 18 // Retrieves the list of fonts on the system as a list of strings. It provides 19 // a non-blocking interface to GetFontList_SlowBlocking in common/. 20 // 21 // This function will run asynchronously on a background thread since getting 22 // the font list from the system can be slow. This function may be called from 23 // any thread that has a BrowserThread::ID. The callback will be executed on 24 // the calling thread. 25 CONTENT_EXPORT void GetFontListAsync( 26 const base::Callback<void(scoped_ptr<base::ListValue>)>& callback); 27 28 } // namespace content 29 30 #endif // CONTENT_PUBLIC_BROWSER_FONT_LIST_ASYNC_H_ 31