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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 blink {
     34 
     35 Canvas2DContextAttributes::Canvas2DContextAttributes()
     36     : m_alpha(true)
     37     , m_storage(PersistentStorage)
     38 {
     39 }
     40 
     41 DEFINE_EMPTY_DESTRUCTOR_WILL_BE_REMOVED(Canvas2DContextAttributes);
     42 
     43 PassRefPtrWillBeRawPtr<Canvas2DContextAttributes> Canvas2DContextAttributes::create()
     44 {
     45     return adoptRefWillBeNoop(new Canvas2DContextAttributes());
     46 }
     47 
     48 bool Canvas2DContextAttributes::alpha() const
     49 {
     50     return m_alpha;
     51 }
     52 
     53 void Canvas2DContextAttributes::setAlpha(bool alpha)
     54 {
     55     m_alpha = alpha;
     56 }
     57 
     58 String Canvas2DContextAttributes::storage() const
     59 {
     60     return m_storage == PersistentStorage ? "persistent" : "discardable";
     61 }
     62 
     63 void Canvas2DContextAttributes::setStorage(const String& storage)
     64 {
     65     if (storage == "persistent")
     66         m_storage = PersistentStorage;
     67     else if (storage == "discardable")
     68         m_storage = DiscardableStorage;
     69 }
     70 
     71 Canvas2DContextStorage Canvas2DContextAttributes::parsedStorage() const
     72 {
     73     return m_storage;
     74 }
     75 
     76 } // namespace blink
     77