| Index: chrome/browser/ui/webui/options/font_settings_fonts_list_loader.h
|
| ===================================================================
|
| --- chrome/browser/ui/webui/options/font_settings_fonts_list_loader.h (revision 85766)
|
| +++ chrome/browser/ui/webui/options/font_settings_fonts_list_loader.h (working copy)
|
| @@ -1,60 +0,0 @@
|
| -// 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 CHROME_BROWSER_UI_WEBUI_OPTIONS_FONT_SETTINGS_FONTS_LIST_LOADER_H_
|
| -#define CHROME_BROWSER_UI_WEBUI_OPTIONS_FONT_SETTINGS_FONTS_LIST_LOADER_H_
|
| -#pragma once
|
| -
|
| -#include "base/memory/ref_counted.h"
|
| -#include "base/memory/scoped_ptr.h"
|
| -#include "base/values.h"
|
| -
|
| -// This class allows asynchronous retrieval of the system fonts list. The
|
| -// loading of the fonts is handled by a platform specific implementation, but
|
| -// the retrieval is done on the File thread so that UI does not block for what
|
| -// could be a long operation (if the user has a large number of fonts.)
|
| -class FontSettingsFontsListLoader
|
| - : public base::RefCountedThreadSafe<FontSettingsFontsListLoader> {
|
| - public:
|
| - // Any clients of this class must implement this observer interface in
|
| - // order to be called back when the fonts list has been loaded.
|
| - class Observer {
|
| - public:
|
| - virtual void FontsListHasLoaded() = 0;
|
| -
|
| - protected:
|
| - virtual ~Observer() {}
|
| - };
|
| -
|
| - // Pass in an observer, often 'this'.
|
| - explicit FontSettingsFontsListLoader(Observer* observer);
|
| -
|
| - // Get the font list. This must only be called after receiveing the
|
| - // FontsListHasLoaded() notification.
|
| - ListValue* GetFontsList();
|
| -
|
| - // Start loading of the fonts list. The observer will be notified when this
|
| - // operation has completed.
|
| - void StartLoadFontsList();
|
| -
|
| - // Set the observer. This class does not take ownership of the observer.
|
| - // The observer can be NULL.
|
| - void SetObserver(Observer* observer);
|
| -
|
| - private:
|
| - friend class base::RefCountedThreadSafe<FontSettingsFontsListLoader>;
|
| -
|
| - ~FontSettingsFontsListLoader();
|
| -
|
| - void GetFontsListOnFileThread();
|
| - void FinishFontsListOnUIThread();
|
| -
|
| - scoped_ptr<ListValue> fonts_list_;
|
| - Observer* observer_; // weak
|
| -
|
| - DISALLOW_COPY_AND_ASSIGN(FontSettingsFontsListLoader);
|
| -};
|
| -
|
| -#endif // CHROME_BROWSER_UI_WEBUI_OPTIONS_FONT_SETTINGS_FONTS_LIST_LOADER_H_
|
| -
|
|
|