| 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
|
| +// having ownership problems (for example if the calling thread goes away
|
| +// before the callback is executed, we want the ListValue to be destroyed.
|
| +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
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| + LF
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