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 #include "nmuiheaders.h"

    19 

    20 static const QString NmSettingsPluginFolderPath("/resource/qt/plugins/nmail/uiext");

    21 

    22 /*!

    23     \class NmUiExtensionManager

    24     \brief Handles ui extension plugins

    25  */

    26 

    27 /*!

    28   Creates list of folder paths where plug-ins can be loaded from.

    29   \return folder path list.

    30 */

    31 QStringList NmUiExtensionManager::pluginFolders()

    32 {

    33     NM_FUNCTION;

    34     

    35     QStringList pluginDirectories;

    36     QFileInfoList driveList = QDir::drives();

    37 

    38     foreach(const QFileInfo &driveInfo, driveList) {

    39         QString pluginDirectory =

    40             driveInfo.absolutePath() + NmSettingsPluginFolderPath;

    41         NMLOG(QString("fileInfo.absoluteFilePath() : %1").arg(pluginDirectory)); 

    42         if (QFileInfo(pluginDirectory).exists()) {

    43             pluginDirectories.append(pluginDirectory);

    44         }

    45     }

    46     

    47     return pluginDirectories;

    48 }

    49 

    50 NmUiExtensionManager::NmUiExtensionManager()

    51 {

    52     NM_FUNCTION;

    53     

    54     // load the protocol extension plugins

    55     loadExtensionPlugins();

    56 }

    57 

    58 /*!

    59     Destructor

    60  */

    61 NmUiExtensionManager::~NmUiExtensionManager()

    62 {

    63     NM_FUNCTION;

    64     

    65     // delete plugins from array

    66     qDeleteAll(mExtensions.begin(), mExtensions.end());

    67     mExtensions.clear();

    68 

    69     qDeleteAll(mPluginLoaders.begin(), mPluginLoaders.end());

    70     mPluginLoaders.clear();

    71 }

    72 

    73 /*!

    74     Calls all extensions

    75  */

    76 void NmUiExtensionManager::getActions(

    77     const NmActionRequest &menuRequest,

    78     QList<NmAction*> &actionList)

    79 {

    80     NM_FUNCTION;

    81     

    82     for (int i = 0; i < mExtensions.count(); i++) {

    83     	NmUiExtensionInterface *interface = mExtensions[i];

    84         interface->getActions(menuRequest, actionList);

    85     }

    86 }

    87 /*!

    88     Loads plug-ins which implements NmUiExtensionInterface and are registered

    89     to <code>/resource/qt/plugins/nmail/uiext</code> folder.

    90  */

    91 void NmUiExtensionManager::loadExtensionPlugins()

    92 {

    93     NM_FUNCTION;

    94     

    95     QStringList directories(pluginFolders());

    96     foreach (const QString &directoryPath, directories) {

    97         QDir directory(directoryPath);

    98         QFileInfoList fileList(directory.entryInfoList());

    99 

   100         foreach (const QFileInfo &fileInfo, fileList) {

   101             NM_COMMENT(QString("Plugin absolute FilePath : %1").arg(fileInfo.absoluteFilePath()));  

   102             QScopedPointer<QPluginLoader> loader(

   103                 new QPluginLoader(fileInfo.absoluteFilePath()));

   104             mPluginLoaders.append(loader.data());

   105             loader.take();

   106         }

   107     }

   108     

   109     NmUiExtensionInterface *interface(NULL);    

   110     foreach (QPluginLoader *loader, mPluginLoaders) {      

   111         NM_COMMENT(QString("Plugin fileName() : %1").arg(loader->fileName()));

   112         QString fileName = loader->fileName();        

   113         QObject *pluginInstance = loader->instance();

   114         interface = qobject_cast<NmUiExtensionInterface*>(pluginInstance);

   115         if (interface) {

   116             mExtensions.append(interface);

   117         }

   118     }

   119 }

   120 

   121