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      1 /*
      2  * Copyright (c) 2013, Google Inc. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions are
      6  * met:
      7  *     * Redistributions of source code must retain the above copyright
      8  * notice, this list of conditions and the following disclaimer.
      9  *     * Redistributions in binary form must reproduce the above
     10  * copyright notice, this list of conditions and the following disclaimer
     11  * in the documentation and/or other materials provided with the
     12  * distribution.
     13  *
     14  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     15  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     16  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     17  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     18  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     19  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     20  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     24  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     25  */
     26 
     27 #include "config.h"
     28 
     29 #include "core/html/canvas/Canvas2DContextAttributes.h"
     30 
     31 #include "wtf/text/WTFString.h"
     32 
     33 namespace WebCore {
     34 
     35 Canvas2DContextAttributes::Canvas2DContextAttributes()
     36     : m_alpha(true)
     37     , m_storage(PersistentStorage)
     38 {
     39     ScriptWrappable::init(this);
     40 }
     41 
     42 Canvas2DContextAttributes::~Canvas2DContextAttributes()
     43 {
     44 }
     45 
     46 PassRefPtr<Canvas2DContextAttributes> Canvas2DContextAttributes::create()
     47 {
     48     return adoptRef(new Canvas2DContextAttributes());
     49 }
     50 
     51 bool Canvas2DContextAttributes::alpha() const
     52 {
     53     return m_alpha;
     54 }
     55 
     56 void Canvas2DContextAttributes::setAlpha(bool alpha)
     57 {
     58     m_alpha = alpha;
     59 }
     60 
     61 String Canvas2DContextAttributes::storage() const
     62 {
     63     return m_storage == PersistentStorage ? "persistent" : "discardable";
     64 }
     65 
     66 void Canvas2DContextAttributes::setStorage(const String& storage)
     67 {
     68     if (storage == "persistent")
     69         m_storage = PersistentStorage;
     70     else if (storage == "discardable")
     71         m_storage = DiscardableStorage;
     72 }
     73 
     74 Canvas2DContextStorage Canvas2DContextAttributes::parsedStorage() const
     75 {
     76     return m_storage;
     77 }
     78 
     79 } // namespace WebCore
     80