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Diffstat (limited to 'WebCore/html/FileReader.h')
-rw-r--r-- | WebCore/html/FileReader.h | 172 |
1 files changed, 0 insertions, 172 deletions
diff --git a/WebCore/html/FileReader.h b/WebCore/html/FileReader.h deleted file mode 100644 index ee15968..0000000 --- a/WebCore/html/FileReader.h +++ /dev/null @@ -1,172 +0,0 @@ -/* - * Copyright (C) 2010 Google 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: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * 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. - * * Neither the name of Google Inc. nor the names of its - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "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 THE COPYRIGHT - * OWNER 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 FileReader_h -#define FileReader_h - -#if ENABLE(BLOB) - -#include "ActiveDOMObject.h" -#include "EventTarget.h" -#include "FileError.h" -#include "FileStreamClient.h" -#include "PlatformString.h" -#include "ScriptString.h" -#include "TextEncoding.h" -#include <wtf/PassRefPtr.h> -#include <wtf/RefCounted.h> -#include <wtf/RefPtr.h> -#include <wtf/Vector.h> - -namespace WebCore { - -class Blob; -class File; -class FileStreamProxy; -class ScriptExecutionContext; -class TextResourceDecoder; - -class FileReader : public RefCounted<FileReader>, public ActiveDOMObject, public EventTarget, public FileStreamClient { -public: - static PassRefPtr<FileReader> create(ScriptExecutionContext* context) - { - return adoptRef(new FileReader(context)); - } - - virtual ~FileReader(); - - enum ReadyState { - EMPTY = 0, - LOADING = 1, - DONE = 2 - }; - - void readAsBinaryString(Blob*); - void readAsText(Blob*, const String& encoding = ""); - void readAsDataURL(File*); - void abort(); - - ReadyState readyState() const; - PassRefPtr<FileError> error() { return m_error; } - const ScriptString& result(); - - // ActiveDOMObject - virtual bool canSuspend() const; - virtual void stop(); - virtual bool hasPendingActivity() const; - - // EventTarget - virtual FileReader* toFileReader() { return this; } - virtual ScriptExecutionContext* scriptExecutionContext() const { return ActiveDOMObject::scriptExecutionContext(); } - - // FileStreamClient - virtual void didStart(); - virtual void didGetSize(long long); - virtual void didOpen(bool); - virtual void didRead(int); - - using RefCounted<FileReader>::ref; - using RefCounted<FileReader>::deref; - - DEFINE_ATTRIBUTE_EVENT_LISTENER(loadstart); - DEFINE_ATTRIBUTE_EVENT_LISTENER(progress); - DEFINE_ATTRIBUTE_EVENT_LISTENER(load); - DEFINE_ATTRIBUTE_EVENT_LISTENER(abort); - DEFINE_ATTRIBUTE_EVENT_LISTENER(error); - DEFINE_ATTRIBUTE_EVENT_LISTENER(loadend); - -private: - enum ReadType { - ReadFileAsBinaryString, - ReadFileAsText, - ReadFileAsDataURL - }; - enum InternalState { - None, - Starting, - Opening, - Reading, - Completed - }; - - FileReader(ScriptExecutionContext*); - - // EventTarget - virtual void refEventTarget() { ref(); } - virtual void derefEventTarget() { deref(); } - virtual EventTargetData* eventTargetData() { return &m_eventTargetData; } - virtual EventTargetData* ensureEventTargetData() { return &m_eventTargetData; } - - void terminate(); - void readInternal(Blob*, ReadType); - void fireEvent(const AtomicString& type); - void convertToText(); - void convertToDataURL(); - void didFinish(); - void didFail(ExceptionCode); - - InternalState m_state; - EventTargetData m_eventTargetData; - - RefPtr<Blob> m_fileBlob; - ReadType m_readType; - TextEncoding m_encoding; - - // Like XMLHttpRequest.m_responseText, we keep this as a ScriptString, not a WTF::String. - // That's because these strings can easily get huge (they are filled from the file) and - // because JS can easily observe many intermediate states, so it's very useful to be - // able to share the buffer with JavaScript versions of the whole or partial string. - // In contrast, this string doesn't interact much with the rest of the engine so it's not that - // big a cost that it isn't a String. - ScriptString m_result; - - // The raw data. We have to keep track of all the raw data for it to be converted to text or data URL data. - Vector<char> m_rawData; - bool m_isRawDataConverted; - - // The decoder used to decode the text data. - RefPtr<TextResourceDecoder> m_decoder; - - // Needed to create data URL. - String m_fileType; - - RefPtr<FileStreamProxy> m_streamProxy; - Vector<char> m_buffer; - RefPtr<FileError> m_error; - long long m_bytesLoaded; - long long m_totalBytes; - double m_lastProgressNotificationTimeMS; -}; - -} // namespace WebCore - -#endif // ENABLE(BLOB) - -#endif // FileReader_h |