1 /*

     2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:

    15 *

    16 */

    17 

    18 

    19 #include "nmuiheaders.h"

    20 

    21 /*!

    22     \class NmViewerViewNetReply

    23     \brief Mail viewer network reply class

    24 */

    25 

    26 /*!

    27     Constructor

    28 */

    29 NmViewerViewNetReply::NmViewerViewNetReply(QVariant data)

    30     : QNetworkReply(),

    31       mDataArray(data.toByteArray()),

    32       mReadIndex(0)

    33 {

    34     open(ReadWrite);

    35     setReadBufferSize(mDataArray.length());

    36     // QNetworkAccessManager starts listening the signals only

    37     // after the construction, so we cannot signal reply to be

    38     // ready instantly. We need to emit the signals after the

    39     // construction.

    40     QTimer::singleShot(100, this, SLOT(signalReady()));

    41 }

    42 

    43 /*!

    44     Destructor

    45 */

    46 NmViewerViewNetReply::~NmViewerViewNetReply()

    47 {

    48 }

    49 

    50 /*!

    51     signalReady

    52 */

    53 void NmViewerViewNetReply::signalReady()

    54 {

    55     emit readyRead();

    56     emit finished();

    57 }

    58 

    59 /*!

    60     setOriginalRequest. This function is created to provide access to call

    61     base class' protected function setRequest

    62 */

    63 void NmViewerViewNetReply::setOriginalRequest(const QNetworkRequest &request)

    64 {

    65     setRequest(request);

    66 }

    67 

    68 /*!

    69     readData

    70 */

    71 qint64 NmViewerViewNetReply::readData(char *data, qint64 maxlen)

    72 {

    73     qint64 i = 0;

    74     const qint64 dataLength(mDataArray.length());

    75 

    76     if (0 >= dataLength || !data) {

    77         return -1;

    78     }

    79 

    80     for (i = 0; i < maxlen && mReadIndex < dataLength; i++, mReadIndex++) {

    81         data[i] = mDataArray.at(mReadIndex);

    82     }

    83     return i;

    84 }

    85 

    86 /*!

    87     readBufferSize. Returns the size of the read buffer, in bytes.

    88 */

    89 qint64 NmViewerViewNetReply::readBufferSize() const

    90 {

    91     return mDataArray.length();

    92 }

    93 

    94 /*!

    95     bytesAvailable. Returns the number of bytes that are available for reading.

    96     This function is commonly used with sequential devices to determine the number of bytes to

    97     allocate in a buffer before reading. Base implementation is called in order to

    98     include the size of QIODevices' buffer.

    99 */

   100 qint64 NmViewerViewNetReply::bytesAvailable() const

   101 {

   102     return mDataArray.length() + QIODevice::bytesAvailable();

   103 }

   104 

   105 /*!

   106     isSequential. Returns true if this device is sequential.

   107 */

   108 bool NmViewerViewNetReply::isSequential () const

   109 {

   110     return false;

   111 }

   112 

   113 /*!

   114     abort. Aborts the operation immediately and close down any

   115     network connections still open

   116 */

   117 void NmViewerViewNetReply::abort()

   118 {

   119 }

   120