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 12namespace base { 13class ListValue; 14} 15 16namespace 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. 25CONTENT_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