third_party/WebKit/Source/core/fileapi/FileReaderSync.h

   1 /*
   2  * Copyright (C) 2010 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  *
   8  *     * Redistributions of source code must retain the above copyright
   9  * notice, this list of conditions and the following disclaimer.
  10  *     * Redistributions in binary form must reproduce the above
  11  * copyright notice, this list of conditions and the following disclaimer
  12  * in the documentation and/or other materials provided with the
  13  * distribution.
  14  *     * Neither the name of Google Inc. nor the names of its
  15  * contributors may be used to endorse or promote products derived from
  16  * this software without specific prior written permission.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29  */
  30
  31 #ifndef FileReaderSync_h
  32 #define FileReaderSync_h
  33
  34 #include "bindings/core/v8/ScriptWrappable.h"
  35 #include "platform/heap/Handle.h"
  36 #include "wtf/RefCounted.h"
  37 #include "wtf/text/WTFString.h"
  38
  39 namespace blink {
  40
  41 class Blob;
  42 class DOMArrayBuffer;
  43 class ExceptionState;
  44 class ExecutionContext;
  45 class FileReaderLoader;
  46
  47 class FileReaderSync final : public GarbageCollected<FileReaderSync>, public ScriptWrappable {
  48     DEFINE_WRAPPERTYPEINFO();
  49 public:
  50     static FileReaderSync* create()
  51     {
  52         return new FileReaderSync();
  53     }
  54
  55     PassRefPtr<DOMArrayBuffer> readAsArrayBuffer(ExecutionContext*, Blob*, ExceptionState&);
  56     String readAsBinaryString(ExecutionContext*, Blob*, ExceptionState&);
  57     String readAsText(ExecutionContext* executionContext, Blob* blob, ExceptionState& ec)
  58     {
  59         return readAsText(executionContext, blob, "", ec);
  60     }
  61     String readAsText(ExecutionContext*, Blob*, const String& encoding, ExceptionState&);
  62     String readAsDataURL(ExecutionContext*, Blob*, ExceptionState&);
  63
  64     DEFINE_INLINE_TRACE() { }
  65
  66 private:
  67     FileReaderSync();
  68
  69     void startLoading(ExecutionContext*, FileReaderLoader&, const Blob&, ExceptionState&);
  70 };
  71
  72 } // namespace blink
  73
  74 #endif // FileReaderSync_h