| /* |
| * Copyright (C) 2012 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef CaptionUserPreferences_h |
| #define CaptionUserPreferences_h |
| |
| #if ENABLE(VIDEO_TRACK) |
| |
| #include <wtf/PassOwnPtr.h> |
| #include <wtf/text/AtomicString.h> |
| |
| namespace WebCore { |
| |
| class PageGroup; |
| |
| class CaptionPreferencesChangedListener { |
| public: |
| virtual void captionPreferencesChanged() = 0; |
| protected: |
| virtual ~CaptionPreferencesChangedListener() { } |
| }; |
| |
| class CaptionUserPreferences { |
| public: |
| static PassOwnPtr<CaptionUserPreferences> create(PageGroup* group) { return adoptPtr(new CaptionUserPreferences(group)); } |
| virtual ~CaptionUserPreferences() { } |
| |
| virtual bool userPrefersCaptions() const { return false; } |
| virtual bool userHasCaptionPreferences() const { return false; } |
| virtual float captionFontSizeScale() const { return 0.05f; } |
| virtual String captionsStyleSheetOverride() const { return emptyString(); } |
| virtual void registerForCaptionPreferencesChangedCallbacks(CaptionPreferencesChangedListener*) { } |
| virtual void unregisterForCaptionPreferencesChangedCallbacks(CaptionPreferencesChangedListener*) { } |
| |
| PageGroup* pageGroup() { return m_pageGroup; } |
| |
| protected: |
| CaptionUserPreferences(PageGroup* group) : m_pageGroup(group) { } |
| |
| private: |
| PageGroup* m_pageGroup; |
| }; |
| |
| } |
| #endif |
| |
| #endif |