author | hgs |
Fri, 28 May 2010 13:56:43 +0300 | |
changeset 43 | 99bcbff212ad |
parent 20 | ecc8def7944a |
child 47 | f83bd4ae1fe3 |
child 54 | 997a02608b3a |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: |
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* |
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*/ |
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|
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|
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#include "nmuiheaders.h" |
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static const char *NMUI_NET_REPLY_CONTENT_ID = "cid"; |
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/*! |
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\class NmViewerViewNetReply |
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\brief Mail viewer network reply class |
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*/ |
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|
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/*! |
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Constructor |
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*/ |
43 | 31 |
NmViewerViewNetReply::NmViewerViewNetReply(QVariant data, NmUiEngine &uiEngine) |
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: QNetworkReply(), |
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mDataArray(data.toByteArray()), |
43 | 34 |
mUiEngine(uiEngine), |
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mOperation(NULL), |
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mReadIndex(0) |
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{ |
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NM_FUNCTION; |
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open(ReadWrite); |
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setReadBufferSize(mDataArray.length()); |
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// QNetworkAccessManager starts listening the signals only |
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// after the construction, so we cannot signal reply to be |
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// ready instantly. We need to emit the signals after the |
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// construction. |
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QMetaObject::invokeMethod(this, "signalReady", Qt::QueuedConnection); |
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} |
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/*! |
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||
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*/ |
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NmViewerViewNetReply::NmViewerViewNetReply(QVariant data, NmUiEngine &uiEngine, |
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const NmId &mailboxId, const NmId &folderId, const NmId &messageId, |
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const NmId &messagePartId) |
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: QNetworkReply(), |
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mDataArray(data.toByteArray()), |
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mUiEngine(uiEngine), |
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mMailboxId(mailboxId), |
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mFolderId(folderId), |
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mMessageId(messageId), |
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mMessagePartId(messagePartId), |
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mOperation(NULL), |
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mReadIndex(0) |
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{ |
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mOperation = uiEngine.fetchMessagePart(mMailboxId, mFolderId, mMessageId, mMessagePartId); |
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if (mOperation) { |
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connect(mOperation, SIGNAL(operationCompleted(int)), |
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this, SLOT(fetchCompleted(int))); |
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connect(mOperation, SIGNAL(operationCancelled()), |
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this, SLOT(fetchCancelled())); |
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} |
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else { |
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open(ReadWrite); |
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setReadBufferSize(mDataArray.length()); |
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QMetaObject::invokeMethod(this, "signalReady", Qt::QueuedConnection); |
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} |
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} |
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|
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/*! |
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Destructor |
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*/ |
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NmViewerViewNetReply::~NmViewerViewNetReply() |
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{ |
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NM_FUNCTION; |
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} |
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|
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/*! |
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signalReady |
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*/ |
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void NmViewerViewNetReply::signalReady() |
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{ |
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NM_FUNCTION; |
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// Insert embedded images into cache manually |
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if(manager()) { |
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if(manager()->cache() && request().url().scheme() == NMUI_NET_REPLY_CONTENT_ID) { |
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// Metadata required for inserted data |
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QNetworkCacheMetaData metaData; |
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metaData.setUrl(request().url()); |
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metaData.setSaveToDisk(true); |
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|
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// Insert data into cache |
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QIODevice *device = manager()->cache()->prepare(metaData); |
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if(device) { |
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device->write(mDataArray); |
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manager()->cache()->insert(device); |
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} |
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} |
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} |
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// Emit these signals to properly emulate downloading from URL |
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emit readyRead(); |
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emit finished(); |
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} |
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|
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/*! |
43 | 116 |
Slot. Called when fetch operation completes |
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*/ |
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void NmViewerViewNetReply::fetchCompleted(int result) |
|
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{ |
|
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NM_FUNCTION; |
|
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||
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Q_UNUSED(result); |
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NmMessage *message = NULL; |
|
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message = mUiEngine.message( |
|
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mMailboxId, |
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mFolderId, |
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mMessageId); |
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if (message) { |
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QList<NmMessagePart*> partList; |
|
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message->attachmentList(partList); |
|
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NmMessagePart *part = NULL; |
|
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for (int i = 0; !part && i < partList.count(); i++) { |
|
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if (partList[i]->partId() == mMessagePartId) { |
|
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part = partList[i]; |
|
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} |
|
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} |
|
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if (part) { |
|
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int error = mUiEngine.contentToMessagePart(mMailboxId, mFolderId, mMessageId, *part); |
|
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if (error == NmNoError) { |
|
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mDataArray = part->binaryContent(); |
|
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} |
|
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} |
|
143 |
} |
|
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delete message; |
|
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message = NULL; |
|
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open(ReadWrite); |
|
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setReadBufferSize(mDataArray.length()); |
|
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QMetaObject::invokeMethod(this, "signalReady", Qt::QueuedConnection); |
|
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} |
|
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||
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/*! |
|
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Slot. Called if fetch operation is cancelled |
|
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*/ |
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void NmViewerViewNetReply::fetchCancelled() |
|
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{ |
|
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NM_FUNCTION; |
|
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||
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// just call fetch completed |
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fetchCompleted(NmCancelError); |
|
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} |
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||
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/*! |
|
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setOriginalRequest. This function is created to provide access to call |
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base class' protected function setRequest |
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*/ |
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void NmViewerViewNetReply::setOriginalRequest(const QNetworkRequest &request) |
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{ |
43 | 168 |
NM_FUNCTION; |
169 |
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setRequest(request); |
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} |
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|
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/*! |
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readData |
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*/ |
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qint64 NmViewerViewNetReply::readData(char *data, qint64 maxlen) |
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{ |
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NM_FUNCTION; |
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qint64 i = 0; |
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const qint64 dataLength(mDataArray.length()); |
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if (0 >= dataLength || !data) { |
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return -1; |
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} |
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for (i = 0; i < maxlen && mReadIndex < dataLength; i++, mReadIndex++) { |
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data[i] = mDataArray.at(mReadIndex); |
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} |
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return i; |
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} |
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|
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/*! |
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readBufferSize. Returns the size of the read buffer, in bytes. |
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*/ |
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qint64 NmViewerViewNetReply::readBufferSize() const |
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{ |
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NM_FUNCTION; |
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return mDataArray.length(); |
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} |
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|
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/*! |
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bytesAvailable. Returns the number of bytes that are available for reading. |
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This function is commonly used with sequential devices to determine the number of bytes to |
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allocate in a buffer before reading. Base implementation is called in order to |
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include the size of QIODevices' buffer. |
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*/ |
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qint64 NmViewerViewNetReply::bytesAvailable() const |
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{ |
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NM_FUNCTION; |
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return mDataArray.length() + QIODevice::bytesAvailable(); |
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} |
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|
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/*! |
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isSequential. Returns true if this device is sequential. |
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*/ |
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bool NmViewerViewNetReply::isSequential () const |
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{ |
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NM_FUNCTION; |
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return false; |
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} |
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/*! |
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abort. Aborts the operation immediately and close down any |
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network connections still open |
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*/ |
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void NmViewerViewNetReply::abort() |
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{ |
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NM_FUNCTION; |
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} |
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