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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef CONTENT_PUBLIC_BROWSER_FONT_LIST_ASYNC_H_ | 5 #ifndef CONTENT_PUBLIC_BROWSER_FONT_LIST_ASYNC_H_ |
6 #define CONTENT_PUBLIC_BROWSER_FONT_LIST_ASYNC_H_ | 6 #define CONTENT_PUBLIC_BROWSER_FONT_LIST_ASYNC_H_ |
7 | 7 |
8 #include <memory> | 8 #include <memory> |
9 | 9 |
10 #include "base/callback_forward.h" | 10 #include "base/callback.h" |
11 #include "content/common/content_export.h" | 11 #include "content/common/content_export.h" |
12 | 12 |
13 namespace base { | 13 namespace base { |
14 class ListValue; | 14 class ListValue; |
15 } | 15 } |
16 | 16 |
17 namespace content { | 17 namespace content { |
18 | 18 |
19 // Retrieves the list of fonts on the system as a list of strings. It provides | 19 // Retrieves the list of fonts on the system as a list of strings. It provides |
20 // a non-blocking interface to GetFontList_SlowBlocking in common/. | 20 // a non-blocking interface to GetFontList_SlowBlocking in common/. |
21 // | 21 // |
22 // This function will run asynchronously on a background thread since getting | 22 // This function will run asynchronously on a background thread since getting |
23 // the font list from the system can be slow. This function may be called from | 23 // the font list from the system can be slow. The callback will be executed on |
24 // any thread that has a BrowserThread::ID. The callback will be executed on | 24 // the calling sequence. |
25 // the calling thread. | |
26 CONTENT_EXPORT void GetFontListAsync( | 25 CONTENT_EXPORT void GetFontListAsync( |
27 const base::Callback<void(std::unique_ptr<base::ListValue>)>& callback); | 26 base::OnceCallback<void(std::unique_ptr<base::ListValue>)> callback); |
28 | 27 |
29 } // namespace content | 28 } // namespace content |
30 | 29 |
31 #endif // CONTENT_PUBLIC_BROWSER_FONT_LIST_ASYNC_H_ | 30 #endif // CONTENT_PUBLIC_BROWSER_FONT_LIST_ASYNC_H_ |
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