--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/searchui/onlinehandler/src/onlinehandler.cpp	Mon Jun 28 11:03:15 2010 +0530
@@ -0,0 +1,292 @@
+/*
+ * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
+ * All rights reserved.
+ * This component and the accompanying materials are made available
+ * under the terms of "Eclipse Public License v1.0"
+ * which accompanies this distribution, and is available
+ * at the URL "http://www.eclipse.org/legal/epl-v10.html".
+ *
+ * Initial Contributors:
+ * Nokia Corporation - initial contribution.
+ *
+ * Contributors:
+ *
+ * Description:  Online Handler.
+ *
+ */
+#include "onlinehandler.h"
+#include "searchutility.h"
+#include "onlinesearchplugin.h"  // after export should be included as systeminc
+#include "onlinesearchpluginfactory.h"  // after export should be included as systeminc
+#include <QDebug>
+#include <QPluginLoader>
+#ifdef Q_OS_SYMBIAN
+#include <QLibraryInfo>
+#else
+#include <QCoreApplication>
+#endif
+#include <QDir>
+#include <hbmainwindow.h>
+#include <hbview.h>
+#include <hbinstance.h>
+#include <hbicon.h>
+#include <serviceprovider.h>
+#include <isengine.h>
+
+#ifdef WIN32
+#define PLUGINFILE_SUFFIX "dll"
+#else
+#define PLUGINFILE_SUFFIX "qtplugin"
+#endif
+
+// ---------------------------------------------------------------------------
+// OnlineHandler::OnlineHandler
+// ---------------------------------------------------------------------------
+//
+OnlineHandler::OnlineHandler(QObject* parent) :
+    QObject(parent), mOnlinePlugin(NULL), mEng(NULL), mCurrentProvider(NULL)
+    {
+    }
+// ---------------------------------------------------------------------------
+// OnlineHandler::~OnlineHandler
+// ---------------------------------------------------------------------------
+//
+OnlineHandler::~OnlineHandler()
+    {
+    if (mOnlinePlugin)
+        delete mOnlinePlugin;
+    if (mEng)
+        delete mEng;
+    if (mCurrentProvider)
+        delete mCurrentProvider;
+    }
+void OnlineHandler::setDefaultProvider(const int id)
+    {
+    if (mEng)
+        mEng->SetSelectedProvider(id);
+    }
+// ---------------------------------------------------------------------------
+// OnlineHandler::readSettings
+// ---------------------------------------------------------------------------
+//
+void OnlineHandler::readSettings()
+    {
+    if (!mEng)
+        mEng = new IsEngine();
+    mAvailableProviders.clear();
+    mEng->Providers(mAvailableProviders);
+    for (int i = 0; i < mAvailableProviders.count(); i++)
+        {
+        emit providerDetails(mAvailableProviders.at(i).Name(),
+                mAvailableProviders.at(i).Icon(),
+                mAvailableProviders.at(i).Id());
+        }
+    mCurrentProvider = mEng->SelectedProvider(); // default provider
+    if (mCurrentProvider)
+        {
+        mDefaultPluginName = mCurrentProvider->Name();
+        emit defaultProvider(mCurrentProvider->Id());
+        }
+    else
+        {
+        mDefaultPluginName = QString();
+        }
+    }
+// ---------------------------------------------------------------------------
+// OnlineHandler::writeSettings
+// ---------------------------------------------------------------------------
+//
+void OnlineHandler::writeSettings(const int providerId)
+    {
+    if (mEng && mEng->SetSelectedProvider(providerId) && mCurrentProvider)
+        {
+        mCurrentProvider = mEng->SelectedProvider(); // default provider
+        emit defaultProvider(mCurrentProvider->Id());
+        }
+    return;
+    }
+// ---------------------------------------------------------------------------
+// OnlineHandler::initializePlugin
+// ---------------------------------------------------------------------------
+//
+void OnlineHandler::initializePlugin()
+    {
+    /* Below assumes, only default plugins are handled now. If user selects different plugin some more logic needed here. */
+
+    if (mOnlinePlugin)
+        {
+        delete mOnlinePlugin;
+        mOnlinePlugin = NULL;
+        }
+    mOnlinePlugin = loadSearchPlugin(mDefaultPluginName);
+    if (mOnlinePlugin)
+        {
+        connect(mOnlinePlugin, SIGNAL(pluginInitialized(bool)), this,
+                SLOT(isPluginIntialized(bool)));
+
+        connect(mOnlinePlugin, SIGNAL(shutdownCompleted(bool)), this,
+                SLOT(isShutdownCompleted(bool)));
+
+        connect(mOnlinePlugin, SIGNAL(handleBackEvent()), this,
+                SLOT(backEvent()));
+
+        mOnlinePlugin->initializePlugin();
+        }
+    }
+void OnlineHandler::loadISPlugin(int id, QString query)
+    {
+    if (!mEng)
+        mEng = new IsEngine();
+    mLoadSuggestion = true;
+    mLoadSuggestionLink = query;
+    QList<ServiceProvider> iAvailableProviders;
+    mEng->Providers(iAvailableProviders);
+    for (int i = 0; i < iAvailableProviders.count(); i++)
+        {
+        if (iAvailableProviders.at(i).Id() == id)
+            {
+            mDefaultPluginName = iAvailableProviders.at(i).Name();
+            break;
+            }
+        }
+    initializePlugin();
+    }
+// ---------------------------------------------------------------------------
+// OnlineHandler::isPluginIntialized
+// ---------------------------------------------------------------------------
+//
+void OnlineHandler::isPluginIntialized(bool success)
+    {
+    if (mLoadSuggestion)
+        {
+        activatePlugin(mLoadSuggestionLink);
+        mLoadSuggestion = false;
+        }
+    else
+        {
+        emit pluginIntialized(success);
+        }
+    }
+// ---------------------------------------------------------------------------
+// OnlineHandler::isShutdownCompleted
+// ---------------------------------------------------------------------------
+//
+void OnlineHandler::isShutdownCompleted(bool success)
+    {
+    mOnlinePlugin->deleteLater();
+    emit pluginShutdown(success);
+    }
+// ---------------------------------------------------------------------------
+// OnlineHandler::backEvent
+// ---------------------------------------------------------------------------
+//
+void OnlineHandler::backEvent()
+    {
+    emit backEventTriggered();
+    }
+// ---------------------------------------------------------------------------
+// OnlineHandler::activatePlugin
+// ---------------------------------------------------------------------------
+//
+bool OnlineHandler::activatePlugin()
+    {
+    if (mOnlinePlugin)
+        mOnlinePlugin->activatePlugin();
+    return true;
+    }
+// ---------------------------------------------------------------------------
+// OnlineHandler::activatePlugin
+// ---------------------------------------------------------------------------
+//
+bool OnlineHandler::activatePlugin(const QString &str)
+    {
+    if (mOnlinePlugin)
+        mOnlinePlugin->activatePlugin(str);
+    return true;
+    }
+// ---------------------------------------------------------------------------
+// OnlineHandler::unloadPlugin
+// ---------------------------------------------------------------------------
+//
+void OnlineHandler::unloadPlugin()
+    {
+    if (mOnlinePlugin)
+        {
+        disconnect(mOnlinePlugin, SIGNAL(pluginInitialized(bool)), this,
+                SLOT(isPluginIntialized(bool)));
+
+        disconnect(mOnlinePlugin, SIGNAL(shutdownCompleted(bool)), this,
+                SLOT(isShutdownCompleted(bool)));
+
+        disconnect(mOnlinePlugin, SIGNAL(handleBackEvent()), this,
+                SLOT(backEvent()));
+
+        mOnlinePlugin->deactivatePlugin();
+        }
+    }
+// ---------------------------------------------------------------------------
+// OnlineHandler::unloadPluginandExit
+// ---------------------------------------------------------------------------
+//
+void OnlineHandler::unloadPluginandExit()
+    {
+    if (mOnlinePlugin)
+        {
+        disconnect(mOnlinePlugin, SIGNAL(pluginInitialized(bool)), this,
+                SLOT(isPluginIntialized(bool)));
+
+        disconnect(mOnlinePlugin, SIGNAL(shutdownCompleted(bool)), this,
+                SLOT(isShutdownCompleted(bool)));
+
+        disconnect(mOnlinePlugin, SIGNAL(handleBackEvent()), this,
+                SLOT(backEvent()));
+
+        mOnlinePlugin->deactivatePlugin();
+        mOnlinePlugin->shutdownPlugin();
+        }
+    }
+// ---------------------------------------------------------------------------
+// OnlineHandler::loadSearchPlugin
+// ---------------------------------------------------------------------------
+//
+OnlineSearchPlugin *OnlineHandler::loadSearchPlugin(const QString &pluginFile)
+    {
+    //   CpLogger logger;
+    //   logger << "loading plugin:" << pluginFile << "\r\n";
+
+    QFileInfo fileInfo(pluginFile);
+
+    if (!fileInfo.isAbsolute())
+        {
+        QString fileName = fileInfo.fileName();
+        if (fileInfo.suffix().compare(PLUGINFILE_SUFFIX, Qt::CaseInsensitive))
+            {
+            fileName = fileInfo.baseName() + '.' + PLUGINFILE_SUFFIX;
+            }
+
+        QStringList pluginDirs = SearchUtility::pluginDirs();
+        foreach(const QString &pluginDir,pluginDirs)
+                {
+                fileInfo.setFile(pluginDir + fileName);
+                if (fileInfo.exists() && QLibrary::isLibrary(
+                        fileInfo.absoluteFilePath()))
+                    {
+                    break;
+                    }
+                }
+        }
+
+    QPluginLoader loader(fileInfo.absoluteFilePath());
+    OnlineSearchPluginFactory *pluginFactory = qobject_cast<
+            OnlineSearchPluginFactory*> (loader.instance());
+    OnlineSearchPlugin *plugin = pluginFactory->createPlugin();
+    /*
+     * why unload?
+     if (!plugin) {
+     loader.unload();
+     }
+     */
+    //   logger << (plugin ? "load plugin succeed." : "load plugin failed.") << "\r\n";    
+    return plugin;
+    }
+