diff -r 6369bfd1b60d -r 08b5eae9f9ff dlnasrv_exampleapp/src/exampleappui.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dlnasrv_exampleapp/src/exampleappui.cpp	Wed Nov 03 11:45:09 2010 +0200
@@ -0,0 +1,612 @@
+/*
+* Copyright (c) 2010 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:
+*
+*/
+
+#include <qlabel.h>
+#include <qboxlayout.h>
+#include <qgroupbox.h>
+#include <qpushbutton.h>
+#include <qcombobox.h>
+#include <qlayoutitem.h>
+#include <qfiledialog.h>
+#include <qaction.h>
+
+#include "exampleappui.h"
+#include "exampleappengine.h"
+#include "trace.h"
+
+/*!
+    \class ExampleAppUi
+    \brief Implements the application UI for Dlnasrv example application.
+*/
+
+/*!
+    ExampleAppUi constructor.
+ */
+ExampleAppUi::ExampleAppUi():
+    mEngine(0),
+    mSelectedRenderer(0),
+    mSelectedFileLabel(0),
+    mPlaybackStatus(0),
+    mRenderingDevices(0),
+    mPauseButton(0),
+    mStopButton(0),
+    mRewButton(0),
+    mFfButton(0),
+    mSelectFileButton(0),
+    mSearchDevicesButton(0),
+    mSelectedFile("")
+{
+    FUNC_LOG
+}
+
+/*!
+    ExampleAppUi destructor.
+*/
+ExampleAppUi::~ExampleAppUi()
+{
+    FUNC_LOG
+
+    delete mEngine;
+}
+
+/*!
+    description
+ 
+    /a
+    /return
+ */
+void ExampleAppUi::construct()
+{
+    FUNC_LOG
+
+    createEngine();
+    createUi();
+}
+
+/*!
+    description
+ 
+    /a
+    /return
+ */
+void ExampleAppUi::createUi()
+{
+    FUNC_LOG
+
+    // create main view
+    QWidget *view = new QWidget;
+    setCentralWidget(view);
+    
+    // create main view layout
+    QVBoxLayout *mainLayout = new QVBoxLayout;
+    view->setLayout(mainLayout);
+    
+    // create accesspoint selection
+    QLayout *layout = createApSelectionUi();
+    mainLayout->addLayout(layout);
+    mainLayout->addSpacing(40);
+    
+    // create renderer selection
+    layout = createRendererSelectionUi();
+    mainLayout->addLayout(layout);
+    mainLayout->addSpacing(40);
+    
+    // create file selection
+    layout = createFileSelectionUi();
+    mainLayout->addLayout(layout);
+    mainLayout->addSpacing(40);
+    
+    // create playback ui
+    layout = createPlaybackUi();
+    mainLayout->addLayout(layout);
+    mainLayout->addSpacing(40);
+}
+
+/*!
+    description
+ 
+    /a
+    /return
+ */
+QLayout *ExampleAppUi::createApSelectionUi()
+{
+    FUNC_LOG
+
+    QVBoxLayout *layout = new QVBoxLayout;
+    QHBoxLayout *topLayout = new QHBoxLayout;
+    QLabel *titleLabel = new QLabel(tr("Access point:"));
+    QLabel *statusLabel = new QLabel(tr("Not connected"));    
+
+    // connect signals
+    connect(mEngine, SIGNAL(iapUpdated(const QString &)), statusLabel, SLOT(setText(const QString &)));
+    
+    // add widgets to top layout
+    topLayout->addWidget(titleLabel);
+    topLayout->addWidget(statusLabel);
+    
+    // add sub layouts to main layout
+    layout->addLayout(topLayout);
+    
+    // update iap
+    QString iapName = mEngine->getIapName();
+    if (iapName.length())
+    {
+        statusLabel->setText(iapName);
+    }
+    
+    return layout;
+}
+
+/*!
+    description
+ 
+    /a
+    /return
+ */
+QLayout *ExampleAppUi::createRendererSelectionUi()
+{
+    FUNC_LOG
+
+    QVBoxLayout *layout = new QVBoxLayout;
+    QHBoxLayout *topLayout = new QHBoxLayout;
+    QVBoxLayout *bottomLayout = new QVBoxLayout;
+    QLabel *titleLabel = new QLabel(tr("Rendering device:"));
+    QLabel *statusLabel = new QLabel(tr("Not connected"));
+    QPushButton *searchButton = new QPushButton(tr("Search for new devices"));
+    QComboBox *selectionComboBox = new QComboBox;
+    
+    // connect signals
+    connect(searchButton, SIGNAL(clicked()), mEngine, SLOT(searchRenderingDevices()));
+    connect(selectionComboBox, SIGNAL(currentIndexChanged(int)), this, SLOT(selectRenderingDevice(int)));
+    connect(mEngine, SIGNAL(iapUpdated(int)), this, SLOT(enableRenderingDeviceSelection(int)));
+    
+    // add widgets to top layout
+    topLayout->addWidget(titleLabel);
+    topLayout->addWidget(statusLabel);
+    
+    // add widgets to bottom layout
+    bottomLayout->addWidget(searchButton);
+    bottomLayout->addWidget(selectionComboBox);
+    
+    // add sub layouts to main layout
+    layout->addLayout(topLayout);
+    layout->addLayout(bottomLayout);
+    
+    // store rendering devices
+    mRenderingDevices = selectionComboBox;
+    mSelectedRenderer = statusLabel;
+    mSearchDevicesButton = searchButton;
+    
+    // disable search button if iap has not been defined
+    if (!mEngine->getIap())
+    {
+        disableRenderingDeviceSelection();
+    }
+    
+    return layout;
+}
+
+/*!
+    description
+ 
+    /a
+    /return
+ */
+QLayout *ExampleAppUi::createFileSelectionUi()
+{
+    FUNC_LOG
+
+    QVBoxLayout *layout = new QVBoxLayout;
+    QHBoxLayout *topLayout = new QHBoxLayout;
+    QVBoxLayout *bottomLayout = new QVBoxLayout;    
+    QLabel *titleLabel = new QLabel(tr("Selected file:"));
+    QLabel *statusLabel = new QLabel(tr("None"));
+    QPushButton *selectButton = new QPushButton(tr("Select media file"));
+    
+    // connect signals
+    connect(selectButton, SIGNAL(clicked()), this, SLOT(selectFile()));
+
+    // add widgets to top layout
+    topLayout->addWidget(titleLabel);
+    topLayout->addWidget(statusLabel);
+    
+    // add widgets to bottom layout
+    bottomLayout->addWidget(selectButton);
+    
+    // add sub layouts to main layout
+    layout->addLayout(topLayout);
+    layout->addLayout(bottomLayout);
+    
+    // store status label and select file button
+    mSelectedFileLabel = statusLabel;
+    mSelectFileButton = selectButton;
+    
+    // disable select file button by default
+    disableFileSelection();
+
+    return layout;
+}
+
+/*!
+    description
+ 
+    /a
+    /return
+ */
+QLayout *ExampleAppUi::createPlaybackUi()
+{
+    FUNC_LOG
+
+    QVBoxLayout *layout = new QVBoxLayout;
+    QHBoxLayout *topLayout = new QHBoxLayout;
+    QHBoxLayout *bottomLayout = new QHBoxLayout;
+    QLabel *titleLabel = new QLabel(tr("Playback status:"));
+    QLabel *statusLabel = new QLabel(tr("Stopped"));
+    QPushButton *rewButton = new QPushButton(tr("Rew"));    
+    QPushButton *playButton = new QPushButton(tr("Play"));    
+    QPushButton *pauseButton = new QPushButton(tr("Pause"));    
+    QPushButton *stopButton = new QPushButton(tr("Stop"));    
+    QPushButton *ffButton = new QPushButton(tr("Ff"));    
+    
+    // connect signals
+    connect(rewButton, SIGNAL(clicked()), mEngine, SLOT(rew()));
+    connect(playButton, SIGNAL(clicked()), mEngine, SLOT(play()));
+    connect(pauseButton, SIGNAL(clicked()), mEngine, SLOT(pause()));
+    connect(stopButton, SIGNAL(clicked()), mEngine, SLOT(stop()));
+    connect(ffButton, SIGNAL(clicked()), mEngine, SLOT(ff()));
+
+    // add widgets to top layout
+    topLayout->addWidget(titleLabel);
+    topLayout->addWidget(statusLabel);
+    
+    // add widgets to bottom layout
+    bottomLayout->addWidget(rewButton);
+    bottomLayout->addWidget(playButton);
+    bottomLayout->addWidget(pauseButton);
+    bottomLayout->addWidget(stopButton);
+    bottomLayout->addWidget(ffButton);
+    
+    // add sub layouts to main layout
+    layout->addLayout(topLayout);
+    layout->addLayout(bottomLayout);
+    
+    // store status label
+    mPlaybackStatus = statusLabel;
+    mPlayButton = playButton;
+    mPauseButton = pauseButton;
+    mStopButton = stopButton;
+    mRewButton = rewButton;
+    mFfButton = ffButton;
+    
+    // disable all buttons by default
+    disablePlayback();
+
+    return layout;
+}
+
+/*!
+    description
+ 
+    /a
+    /return
+ */
+void ExampleAppUi::createEngine()
+{
+    FUNC_LOG
+
+    mEngine = new ExampleAppEngine;
+    mEngine->construct();
+    
+    // connect signals
+    connect(mEngine, SIGNAL(stateChanged(int)), this, SLOT(updateState(int)));
+    connect(mEngine, SIGNAL(renderingDeviceSearchStarted()), this, SLOT(deviceSearchStarted()));
+    connect(mEngine, SIGNAL(renderingDeviceFound(const QString &, const QString &)), this, SLOT(addRenderingDevice(const QString &, const QString &)));
+    connect(mEngine, SIGNAL(renderingDeviceDisappeared(const QString &, const QString &)), this, SLOT(removeRenderingDevice(const QString &, const QString &)));
+    connect(mEngine, SIGNAL(initComplete(int)), this, SLOT(enablePlayback(int)));
+}
+
+/*!
+    description
+ 
+    /a
+    /return
+ */
+void ExampleAppUi::updateState(int newState)
+{
+    FUNC_LOG
+
+    switch (newState)
+    {
+        case ExampleAppEngine::PlaybackStateBuffering:
+        {
+            mPlaybackStatus->setText(tr("Buffering"));
+            break;
+        }
+        case ExampleAppEngine::PlaybackStatePlaying:
+        {
+            mPlaybackStatus->setText(tr("Playing"));
+            break;
+        }
+        case ExampleAppEngine::PlaybackStatePaused:
+        {
+            mPlaybackStatus->setText(tr("Paused"));
+            break;
+        }
+        case ExampleAppEngine::PlaybackStateStopped:
+            // fall through
+        default:
+        {
+            mPlaybackStatus->setText(tr("Stopped"));
+            break;
+        }
+    }
+    
+    // update playback controls
+    enablePlayback();
+}
+
+/*!
+    description
+ 
+    /a
+    /return
+ */
+void ExampleAppUi::selectFile()
+{
+    FUNC_LOG
+    
+    mSelectedFile = QFileDialog::getOpenFileName(this,
+        tr("Open file"),
+        tr("e:\\"),
+        tr("Media Files (*.mp3 *.jpg *.mp4)"));
+    if (mSelectedFile.length())
+    {
+        // convert all '/' to '\' since symbian does not understand '/' 
+        // characters in the file path
+        mSelectedFile.replace("/", "\\");
+        
+        // update text to ui
+        QFileInfo fileInfo(mSelectedFile);
+        // use only 20 characters to fit text on screen 
+        // since otherwise qt will panic with bad alloc
+        mSelectedFileLabel->setText(fileInfo.fileName().left(20));
+       
+        // resolve and init file for rendering
+        int err = mEngine->initFile(mSelectedFile);
+        if (err != 0)
+        {
+            ERROR_1(err, "Failed to init file %s", mSelectedFile.utf16());
+            
+            mSelectedFile = "";
+            
+            mSelectedFileLabel->setText(tr("Could not init"));
+
+            disablePlayback();
+        }
+    }
+    else
+    {
+        mSelectedFileLabel->setText(tr("Not selected"));
+
+        disablePlayback();
+    }
+}
+
+/*!
+    description
+    
+    /a
+    /return
+*/
+void ExampleAppUi::deviceSearchStarted()
+{
+    FUNC_LOG
+    
+    if (!mRenderingDevices->count())
+    {
+        mSelectedRenderer->setText(tr("Searching"));
+    }
+}
+
+/*!
+    description
+ 
+    /a
+    /return
+ */
+void ExampleAppUi::addRenderingDevice(const QString &name, const QString &uuid)
+{
+    FUNC_LOG
+    
+    mRenderingDevices->addItem(name, QVariant(uuid));
+}
+
+/*!
+    description
+ 
+    /a
+    /return
+ */
+void ExampleAppUi::removeRenderingDevice(const QString &/*name*/, const QString &uuid)
+{
+    FUNC_LOG
+
+    int count(mRenderingDevices->count());
+    for (int i = 0; i < count; i++)
+    {
+        QVariant userData(mRenderingDevices->itemData(i));
+        if (userData.toString() == uuid)
+        {
+            mRenderingDevices->removeItem(i);
+            break;
+        }
+    }
+}
+
+/*!
+    description
+    
+    /a
+    /return
+*/
+void ExampleAppUi::selectRenderingDevice(int index)
+{
+    FUNC_LOG
+    
+    // use only 16 characters to fit on screen otherwise qt will panic with bad alloc
+    mSelectedRenderer->setText(mRenderingDevices->itemText(index).left(16));
+    
+    QVariant userData(mRenderingDevices->itemData(index));
+    mEngine->prepareRenderingDevice(userData.toString());
+    
+    enablePlayback();
+    enableFileSelection();
+}
+
+/*!
+    description
+    
+    /a
+    /return
+*/
+void ExampleAppUi::enablePlayback(int result)
+{
+    FUNC_LOG
+    
+    if (result == 0 &&
+        mSelectedFile.length())
+    {
+        switch (mEngine->getPlaybackState())
+        {
+            case ExampleAppEngine::PlaybackStateBuffering:
+            {
+                // disable all controls when buffering
+                disablePlayback();
+                break;
+            }
+            case ExampleAppEngine::PlaybackStatePlaying:
+            {
+                mRewButton->setEnabled(mEngine->isSeekSupported());
+                mPlayButton->setDisabled(true);
+                mPauseButton->setEnabled(mEngine->isPauseSupported());
+                mStopButton->setEnabled(true);
+                mRewButton->setEnabled(mEngine->isSeekSupported());
+                break;
+            }
+            case ExampleAppEngine::PlaybackStatePaused:
+            {
+                mRewButton->setEnabled(mEngine->isSeekSupported());
+                mPlayButton->setEnabled(true);
+                mPauseButton->setDisabled(true);
+                mStopButton->setEnabled(true);
+                mRewButton->setEnabled(mEngine->isSeekSupported());
+                break;
+            }
+            case ExampleAppEngine::PlaybackStateStopped:
+            {
+                mRewButton->setDisabled(true);
+                mPlayButton->setEnabled(true);
+                mPauseButton->setDisabled(true);
+                mStopButton->setDisabled(true);
+                mRewButton->setDisabled(true);
+                break;
+            }
+            default:
+            {
+                // invalid state, disable all buttons
+                disablePlayback();
+                break;
+            }
+        }
+    }
+}
+
+/*!
+    description
+    
+    /a
+    /return
+*/
+void ExampleAppUi::disablePlayback()
+{
+    FUNC_LOG
+
+    mPlayButton->setDisabled(true);
+    mPauseButton->setDisabled(true);
+    mStopButton->setDisabled(true);
+    mRewButton->setDisabled(true);
+    mFfButton->setDisabled(true);
+}
+
+/*!
+    description
+    
+    /a
+    /return
+*/
+void ExampleAppUi::enableFileSelection()
+{
+    FUNC_LOG
+    
+    mSelectFileButton->setEnabled(true);
+}
+
+/*!
+    description
+    
+    /a
+    /return
+*/
+void ExampleAppUi::disableFileSelection()
+{
+    FUNC_LOG
+
+    mSelectFileButton->setDisabled(true);
+}
+
+/*!
+    description
+    
+    /a
+    /return
+*/
+void ExampleAppUi::enableRenderingDeviceSelection(int iap)
+{
+    FUNC_LOG
+    
+    if (iap)
+    {
+        mSearchDevicesButton->setEnabled(true);
+        mRenderingDevices->setEnabled(true);
+    }
+}
+
+/*!
+    description
+    
+    /a
+    /return
+*/
+void ExampleAppUi::disableRenderingDeviceSelection()
+{
+    FUNC_LOG
+    
+    mSearchDevicesButton->setDisabled(true);
+    mRenderingDevices->setDisabled(true);
+}
+
+// End of file