messagingapp/msgui/unifiedviewer/src/univiewerbodywidget.cpp
branchRCL_3
changeset 57 ebe688cedc25
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/messagingapp/msgui/unifiedviewer/src/univiewerbodywidget.cpp	Tue Aug 31 15:11:31 2010 +0300
@@ -0,0 +1,459 @@
+/*
+ * 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: This widget displays the body of the viewer
+ *
+ */
+
+#include "univiewerbodywidget.h"
+
+// SYSTEM INCLUDES
+#include <QFile>
+#include <HbTextItem>
+#include <HbMainWindow>
+#include <HbIconItem>
+
+// USER INCLUDES
+#include "univiewertextitem.h"
+#include "univiewerpixmapwidget.h"
+#include "univieweraudiowidget.h"
+
+// LOCAL CONSTANTS
+const QString IMAGE_MIMETYPE("image");
+const QString AUDIO_MIMETYPE("audio");
+const QString VIDEO_MIMETYPE("video");
+const QString TEXT_MIMETYPE("text");
+
+static const char VIDEO_ICON[] = "qtg_large_video_player";
+
+//---------------------------------------------------------------
+//UniViewerBodyWidget::UniViewerBodyWidget
+// @see header file
+//---------------------------------------------------------------
+UniViewerBodyWidget::UniViewerBodyWidget(QGraphicsItem *parent) :
+    HbWidget(parent), mHasText(false), mHasPixmap(false), mTextItem(0), mSlideCounter(0),
+        mPixmapItem(0), mAudioItem(0), mOverlayItem(0)
+{
+    this->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
+}
+
+//---------------------------------------------------------------
+//UniViewerBodyWidget::~UniViewerBodyWidget
+// @see header file
+//---------------------------------------------------------------
+UniViewerBodyWidget::~UniViewerBodyWidget()
+{
+}
+
+//---------------------------------------------------------------
+// UniViewerBodyWidget::setHasText
+// @see header file
+//---------------------------------------------------------------
+void UniViewerBodyWidget::setHasText(bool text)
+{
+    mHasText = text;
+}
+
+//---------------------------------------------------------------
+// UniViewerBodyWidget::hasText
+// @see header file
+//---------------------------------------------------------------
+bool UniViewerBodyWidget::hasText()
+{
+    return mHasText;
+}
+
+//---------------------------------------------------------------
+// UniViewerBodyWidget::setHasPixmap
+// @see header file
+//---------------------------------------------------------------
+void UniViewerBodyWidget::setHasPixmap(bool pixmap)
+{
+    mHasPixmap = pixmap;
+}
+
+//---------------------------------------------------------------
+// UniViewerBodyWidget::hasPixmap
+// @see header file
+//---------------------------------------------------------------
+bool UniViewerBodyWidget::hasPixmap()
+{
+    return mHasPixmap;
+}
+
+//---------------------------------------------------------------
+// UniViewerBodyWidget::setSlideContents
+// @see header file
+//---------------------------------------------------------------
+void UniViewerBodyWidget::setSlideContents(UniMessageInfoList objList, QString slideString)
+{
+    if (!slideString.isEmpty()) {
+        setSlideCounter(slideString);
+    }
+
+    int count = objList.count();
+    for (int a = 0; a < count; ++a) {
+        UniMessageInfo* info = objList.at(a);
+        QString mimeType = info->mimetype();
+
+        if (mimeType.contains(TEXT_MIMETYPE)) {
+            QFile file(info->path());
+            if (file.open(QIODevice::ReadOnly)) {
+                QString textContent;
+                QByteArray textArray;
+                textArray = file.readAll();
+                char *data = new char[textArray.size()+1];
+                strcpy(data,textArray.data());
+                //This is needed since MMS text content 
+                //is stored in UTF8 format
+                textContent = textContent.fromUtf8(data,strlen(data));
+                file.close();
+                delete []data;
+                setText(textContent);
+            }
+        }
+        else if (mimeType.contains(AUDIO_MIMETYPE)) {
+            setAudio(info);
+        }
+        else if (mimeType.contains(VIDEO_MIMETYPE)) {
+            setVideo(info);
+        }
+        else if (mimeType.contains(IMAGE_MIMETYPE)) {
+            setPixmap(info);
+        }
+
+        delete info;
+    }
+}
+
+//---------------------------------------------------------------
+// UniViewerBodyWidget :: clearContent
+// @see header file
+//---------------------------------------------------------------
+void UniViewerBodyWidget::clearContent()
+{
+    // delete the temp items(pixmap) & clear permanent items(text)
+    if (mPixmapItem) {
+        mPixmapItem->setParent(NULL);
+        delete mPixmapItem;
+        mPixmapItem = NULL;
+    }
+
+    if (mAudioItem) {
+        mAudioItem->setParent(NULL);
+        delete mAudioItem;
+        mAudioItem = NULL;
+    }
+
+    if (mTextItem) {
+        mTextItem->setParent(NULL);
+        delete mTextItem;
+        mTextItem = NULL;
+    }
+
+    if (mOverlayItem) {
+        mOverlayItem->setParent(NULL);
+        delete mOverlayItem;
+        mOverlayItem = NULL;
+    }
+
+    setHasText(false);
+    setHasPixmap(false);
+    repolish();
+}
+
+//---------------------------------------------------------------
+// UniViewerBodyWidget::setText
+// @see header file
+//---------------------------------------------------------------
+void UniViewerBodyWidget::setText(QString text)
+{
+    setHasText(true);
+
+    if (!mTextItem) {
+        mTextItem = new UniViewerTextItem(this);
+        mTextItem->setObjectName("textItem");
+        HbStyle::setItemName(mTextItem, "textItem");
+        connect(mTextItem, SIGNAL(sendMessage(const QString&)), this,
+            SIGNAL(sendMessage(const QString&)));
+    }
+    mTextItem->hide();
+    text.replace(QChar::ParagraphSeparator, QChar::LineSeparator);
+    text.replace('\r', QChar::LineSeparator);
+    mTextItem->setText(text);
+
+    this->repolish();
+}
+
+//---------------------------------------------------------------
+//UniViewerBodyWidget::sizeHint
+// @see header file
+//---------------------------------------------------------------
+QSizeF UniViewerBodyWidget::sizeHint(Qt::SizeHint which, const QSizeF & constraint) const
+{
+    QSizeF szHint = HbWidget::sizeHint(which, constraint);
+
+    HbMainWindow *mainWindow = this->mainWindow();
+    if (!mainWindow) {
+        return szHint;
+    }
+
+    qreal screenWidth = 0.0;
+    qreal screenHeight = 0.0;
+    qreal leftMargin = 0.0;
+    qreal rightMargin = 0.0;
+    qreal chromeHeight = 0.0;
+    qreal toolbarHeight = 0.0;
+    qreal iconSize = 0.0;
+    qreal spacing = 0.0;
+    qreal unitSize = HbDeviceProfile::profile(mPixmapItem).unitValue();
+    style()->parameter("hb-param-screen-width", screenWidth);
+    style()->parameter("hb-param-screen-height", screenHeight);
+    style()->parameter("hb-param-margin-gene-left", leftMargin);
+    style()->parameter("hb-param-margin-gene-right", rightMargin);
+    style()->parameter("hb-param-widget-chrome-height", chromeHeight);
+    style()->parameter("hb-param-widget-toolbar-height", toolbarHeight);
+    style()->parameter("hb-param-graphic-size-primary-large", iconSize);
+    style()->parameter("hb-param-margin-gene-middle-vertical", spacing);
+
+    qreal maxWidth = 0.0;
+    qreal maxHeight = 0.0;
+
+    // Calculate max height & max width.
+    if (mainWindow->orientation() == Qt::Horizontal) {
+        qreal temp;
+        temp = screenWidth;
+        screenWidth = screenHeight;
+        screenHeight = temp;
+
+        if (mPixmapItem && mHasText) {
+            maxWidth = (screenWidth / 2) - leftMargin - unitSize;
+        }
+        else {
+            maxWidth = screenWidth - leftMargin - rightMargin;
+        }
+        maxHeight = screenHeight - chromeHeight - toolbarHeight;
+
+        if (mAudioItem) {
+            mAudioItem->setStretched(true);
+        }
+    }
+    else if (mainWindow->orientation() == Qt::Vertical) {
+        maxWidth = screenWidth - leftMargin - rightMargin;
+        maxHeight = screenHeight - chromeHeight - toolbarHeight;
+
+        if (mAudioItem) {
+            mAudioItem->setStretched(false);
+        }
+    }
+
+    // Slide Counter
+    QSizeF slideCounterSize(0, 0);
+    if (mSlideCounter) {
+        slideCounterSize = mSlideCounter->effectiveSizeHint(which, constraint);
+        mSlideCounter->show();
+    }
+    // Audio Item
+    QSizeF audioSize(0, 0);
+    if (mAudioItem) {
+        audioSize = mAudioItem->effectiveSizeHint(which, constraint);
+        mAudioItem->show();
+    }
+
+    // Text Item
+    QSizeF textSize(0, 0);
+    if (mTextItem) {
+        textSize = mTextItem->effectiveSizeHint(which, constraint);
+        mTextItem->show();
+    }
+
+    // Pixmap Item
+    QSizeF pixmapSize(0, 0);
+    if (mPixmapItem) {
+        qreal imageWidth = mPixmapItem->icon().defaultSize().width();
+        qreal imageHeight = mPixmapItem->icon().defaultSize().height();
+
+        qreal widthToSet = 0.0;
+        qreal heightToSet = 0.0;
+
+        if (imageWidth < iconSize) {
+            widthToSet = iconSize;
+            heightToSet = iconSize;
+        }
+        else if (imageWidth <= maxWidth) {
+            // resize not needed
+            widthToSet = imageWidth;
+            heightToSet = qMin(imageHeight, maxHeight);
+        }
+        else {
+            // resize needed, keep aspect-ratio and resize
+            widthToSet = maxWidth;
+            heightToSet = maxWidth * (imageHeight / imageWidth);
+            heightToSet = qMin(heightToSet, maxHeight);
+
+        }
+        if (heightToSet == maxHeight) {
+            widthToSet = heightToSet * (imageWidth / imageHeight);
+        }
+
+        pixmapSize.setHeight(heightToSet);
+        pixmapSize.setWidth(widthToSet);
+        mPixmapItem->setPreferredSize(pixmapSize);
+        mPixmapItem->show();
+    }
+
+    if (mOverlayItem) {
+        mOverlayItem->show();
+    }
+
+    // Calculate the size hint to be returned.
+    szHint.setHeight(0);
+
+    if (!slideCounterSize.isNull()) {
+        szHint.rheight() += (slideCounterSize.height() + spacing);
+    }
+    if (!audioSize.isNull()) {
+        szHint.rheight() += (audioSize.height() + spacing);
+    }
+
+    if (mainWindow->orientation() == Qt::Horizontal) {
+        qreal remainingHeight = qMax(pixmapSize.height(), textSize.height());
+        if (remainingHeight > 0.0) {
+            szHint.rheight() += (remainingHeight + spacing);
+        }
+    }
+    else if (mainWindow->orientation() == Qt::Vertical) {
+        if (!pixmapSize.isNull()) {
+            szHint.rheight() += (pixmapSize.height() + spacing);
+        }
+        if (!textSize.isNull()) {
+            szHint.rheight() += (textSize.height() + spacing);
+        }
+    }
+    szHint.rheight() = qMax(maxHeight, szHint.height());
+
+    return szHint;
+}
+
+//---------------------------------------------------------------
+//UniViewerBodyWidget::setPixmap
+// @see header file
+//---------------------------------------------------------------
+void UniViewerBodyWidget::setPixmap(UniMessageInfo *info)
+{
+    setHasPixmap(true);
+    //create image item instance
+    if (!mPixmapItem) {
+        mPixmapItem = new UniViewerPixmapWidget(this);
+        HbStyle::setItemName(mPixmapItem, "pixmap");
+    }
+    mPixmapItem->hide();
+    mPixmapItem->populate(info);
+
+    this->repolish();
+}
+
+//---------------------------------------------------------------
+//UniViewerBodyWidget::setAudio
+// @see header file
+//---------------------------------------------------------------
+void UniViewerBodyWidget::setAudio(UniMessageInfo *info)
+{
+    if (!mAudioItem) {
+        mAudioItem = new UniViewerAudioWidget(this);
+        HbStyle::setItemName(mAudioItem, "audioItem");
+    }
+    mAudioItem->hide();
+    mAudioItem->populate(info);
+
+    this->repolish();
+}
+
+//---------------------------------------------------------------
+//UniViewerBodyWidget::setVideo
+// @see header file
+//---------------------------------------------------------------
+void UniViewerBodyWidget::setVideo(UniMessageInfo *info)
+{
+    setHasPixmap(true);
+    //create image item instance
+    if (!mPixmapItem) {
+        mPixmapItem = new UniViewerPixmapWidget(this);
+        HbStyle::setItemName(mPixmapItem, "pixmap");
+        connect(mPixmapItem, SIGNAL(thumbnailFound(bool, UniMessageInfo*)), this,
+            SLOT(onThumbnailFound(bool, UniMessageInfo*)));
+    }
+    mPixmapItem->hide();
+    mPixmapItem->populate(info);
+
+    this->repolish();
+}
+
+//---------------------------------------------------------------
+// UniViewerBodyWidget::setSlideCounter
+// @see header file
+//---------------------------------------------------------------
+void UniViewerBodyWidget::setSlideCounter(QString &slideCounter)
+{
+    if (!mSlideCounter) {
+        mSlideCounter = new HbTextItem(this);
+        HbStyle::setItemName(mSlideCounter, "slideCounter");
+    }
+
+    mSlideCounter->hide();
+    mSlideCounter->setText(slideCounter);
+
+    this->repolish();
+}
+
+//---------------------------------------------------------------
+// UniViewerBodyWidget::setOverlayIcon
+// @see header file
+//---------------------------------------------------------------
+void UniViewerBodyWidget::setOverlayIcon(const QString &iconName)
+{
+    if (!mOverlayItem) {
+        mOverlayItem = new HbIconItem(this);
+        HbStyle::setItemName(mOverlayItem, "overlayItem");
+    }
+
+    mOverlayItem->hide();
+    mOverlayItem->setIconName(iconName);
+
+    this->repolish();
+}
+
+//---------------------------------------------------------------
+// UniViewerBodyWidget::onThumbnailFound
+// @see header file
+//---------------------------------------------------------------
+void UniViewerBodyWidget::onThumbnailFound(bool result, UniMessageInfo *info)
+{
+    if (result) {
+        // Thumbnail generation success
+        setOverlayIcon(VIDEO_ICON);
+    }
+    else {
+        // Show video content in audio widget.
+        setAudio(info);
+
+        // Remove the pixmap widget.
+        setHasPixmap(false);
+        if (mPixmapItem) {
+            HbStyle::setItemName(mPixmapItem, "");
+            mPixmapItem->hide();
+        }
+    }
+}
+
+// EOF