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: NMail viewer net manager implementation.

    15 *              This class is needed to separate cid

    16 *              images from url-based images

    17 */

    18 

    19 #include "nmuiheaders.h"

    20 

    21 static const QString NmViewerViewNetManagerScheme("cid");

    22 

    23 /*!

    24 	\class NmViewerViewNetManager

    25 	\brief Mail viewer network access manager class

    26 */

    27 

    28 

    29 /*!

    30     Constructor

    31 */

    32 NmViewerViewNetManager::NmViewerViewNetManager(NmUiEngine &uiEngine)

    33     : QNetworkAccessManager(),

    34       mUiEngine(uiEngine),

    35       mMessageView(NULL)

    36 {

    37     NM_FUNCTION;

    38 }

    39 

    40 /*!

    41     Destructor

    42 */

    43 NmViewerViewNetManager::~NmViewerViewNetManager()

    44 {

    45     NM_FUNCTION;

    46 }

    47 

    48 /*!

    49     Setter for view.

    50 */

    51 void NmViewerViewNetManager::setView(NmViewerView *viewerView)

    52 {

    53     NM_FUNCTION;

    54     

    55     mMessageView=viewerView;

    56 }

    57 

    58 /*!

    59     createRequest

    60 */

    61 QNetworkReply *NmViewerViewNetManager::createRequest(

    62     Operation op, const QNetworkRequest &request, QIODevice *outgoingData)

    63 {

    64     NM_FUNCTION;

    65     

    66     QNetworkRequest myRequest(request);

    67     // Set request attribute to prefer cachevar  

    68     const QVariant cacheControl((int)QNetworkRequest::PreferCache);

    69     myRequest.setAttribute(QNetworkRequest::CacheLoadControlAttribute, 

    70                          cacheControl);

    71     const QUrl requestUrl = myRequest.url();

    72     // Check whether request is for embedded image

    73     if (mMessageView&&mMessageView->webView()&&op==QNetworkAccessManager::GetOperation

    74         && requestUrl.scheme()==NmViewerViewNetManagerScheme) {

    75         QString id = requestUrl.path();

    76         NmId partId;

    77         bool isFetched(false);

    78         NmMessage *message = mMessageView->message();

    79         if (message) {

    80             QVariant data = mMessageView->webView()->loadResource(

    81                     QTextDocument::ImageResource, requestUrl, partId, isFetched);

    82             NmViewerViewNetReply* reply(NULL);

    83             if (isFetched) {

    84                 reply = new NmViewerViewNetReply(data, mUiEngine);

    85             }

    86             else {

    87                 const NmMessageEnvelope &env = message->envelope();

    88                 reply = new NmViewerViewNetReply(data, mUiEngine,

    89                         env.mailboxId(), env.folderId(),

    90                         env.messageId(), partId);

    91             }

    92             reply->setOriginalRequest(myRequest);

    93             return reply;

    94         }

    95     }

    96     // If request is not for embedded image, forward to base class

    97     return QNetworkAccessManager::createRequest(op, myRequest, outgoingData);

    98 }