messagingapp/msgui/conversationview/src/msgeditorwidget.cpp
changeset 31 ebfee66fde93
child 34 84197e66a4bd
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/messagingapp/msgui/conversationview/src/msgeditorwidget.cpp	Fri Jun 04 10:25:39 2010 +0100
@@ -0,0 +1,410 @@
+/*
+ * 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:
+ *
+ */
+
+#include "msgeditorwidget.h"
+
+// SYSTEM INCLUDES
+#include <HbStyle>
+#include <HbPushButton>
+#include <HbTextItem>
+#include <qgraphicsscene.h>
+#include <HbFrameDrawer>
+#include <HbFrameItem>
+#include <HbAction>
+#include <csmsaccount.h>
+#include <smutset.h>
+#include <hbmessagebox.h>
+#include <QTimer>
+#include "unieditorpluginloader.h"
+#include "unieditorplugininterface.h"
+#include "unisendingsettings.h"
+#include "unieditorgenutils.h"
+#include "debugtraces.h"
+
+// LOCAL CONSTANTS
+
+const QString SEND_ICON("qtg_mono_send");
+const QString BACKGROUND("qtg_fr_input_bg");
+const QString BACKGROUND_FRAME("qtg_fr_btn_normal");
+
+const QString SEND_BUTTON_NORMAL("qtg_fr_input_btn_function_normal");
+const QString SEND_BUTTON_PRESSED("qtg_fr_input_btn_function_pressed");
+const QString SEND_BUTTON_DISABLED("qtg_fr_input_btn_function_disabled");
+
+#define LOC_SMS_CHAR_LIMIT_REACHED hbTrId("txt_messaging_dialog_sms_character_count_exceeded")
+#define LOC_DIALOG_OK hbTrId("txt_common_button_ok")
+#define LOC_BUTTON_CANCEL hbTrId("txt_common_button_cancel")
+  
+const TInt KShowCounterLimit = 10;
+
+QGraphicsItem* FOCUSITEM = 0;
+
+//---------------------------------------------------------------
+// MsgEditorWidget::MsgEditorWidget
+// @see header
+//---------------------------------------------------------------
+MsgEditorWidget::MsgEditorWidget(QGraphicsItem *parent) :
+    HbWidget(parent), mMsgEditor(NULL),
+    mSendButton(NULL),mPluginLoader(NULL)
+{
+    //setting background.
+    HbFrameItem* backGround = new HbFrameItem(this);
+    backGround->frameDrawer().setFrameGraphicsName(BACKGROUND);
+    backGround->frameDrawer().setFrameType(HbFrameDrawer::ThreePiecesVertical);
+    backGround->frameDrawer().setFillWholeRect(true);
+    this->setBackgroundItem(backGround); 
+
+    // Initialize the widget.
+    init();
+}
+
+//---------------------------------------------------------------
+// MsgEditorWidget::init
+// @see header
+//---------------------------------------------------------------
+void MsgEditorWidget::init()
+{
+    // Create mandatory element of mesh layout.
+    mMsgEditor = new MsgEditor(this);
+    mMsgEditor->setMaxRows(3); // NOTE: Don't remove this line.
+    HbStyle::setItemName(mMsgEditor, "msgEditor");
+
+    mSendButton = new HbPushButton(this);
+    HbStyle::setItemName(mSendButton, "sendButton");
+    mSendButton->setIcon(HbIcon(SEND_ICON));
+    mSendButton->setEnabled(false);
+    HbFrameDrawer* drawer = new HbFrameDrawer(this);
+    drawer->setFrameType(HbFrameDrawer::NinePieces);
+    mSendButton->setFrameBackground(drawer);
+    updateButtonBackground(SEND_BUTTON_DISABLED);
+    
+    mCharCounter = new HbTextItem(this);
+    HbStyle::setItemName(mCharCounter, "charCounter");
+    mCharCounter->setZValue(1.5);
+    
+    mBackgroundItem = new HbFrameItem(this);
+    HbStyle::setItemName(mBackgroundItem, "charCounterFrame");
+
+    mBackgroundItem->frameDrawer().setFrameType(HbFrameDrawer::NinePieces);
+    mBackgroundItem->frameDrawer().setFillWholeRect(true);
+    
+    mBackgroundItem->frameDrawer().setFrameGraphicsName(
+        BACKGROUND_FRAME);    
+    
+    //Create editor utils object
+    mEditorUtils = new UniEditorGenUtils();
+           
+    FOCUSITEM = mSendButton;
+
+
+    connect(mSendButton, SIGNAL(clicked()),this, SLOT(onClicked()));
+    connect(mSendButton, SIGNAL(pressed()),this, SLOT(onPressed()));
+    connect(mSendButton, SIGNAL(released()),this, SLOT(onReleased()));
+    connect(mMsgEditor, SIGNAL(replyStarted()),this, SIGNAL(replyStarted()));
+    connect(mMsgEditor, SIGNAL(textChanged(QString)),this,SLOT(onTextChanged(QString)));
+    
+}
+
+//---------------------------------------------------------------
+// MsgEditorWidget::~MsgEditorWidget
+// @see header
+//---------------------------------------------------------------
+MsgEditorWidget::~MsgEditorWidget()
+{
+    delete mEditorUtils;
+}
+
+//---------------------------------------------------------------
+// MsgEditorWidget::content
+// @see header
+//---------------------------------------------------------------
+QString MsgEditorWidget::content() const
+{
+    return mMsgEditor->text();
+}
+
+//---------------------------------------------------------------
+// MsgEditorWidget::setContent
+// @see header
+//---------------------------------------------------------------
+void MsgEditorWidget::setContent(const QString &text)
+{
+    mMsgEditor->setText(text);
+}
+
+//---------------------------------------------------------------
+// MsgEditorWidget::clear
+// @see header
+//---------------------------------------------------------------
+void MsgEditorWidget::clear()
+{
+    mMsgEditor->setText(QString());
+    mMsgEditor->setCursorVisibility(Hb::TextCursorHidden);
+}
+
+//---------------------------------------------------------------
+// MsgEditorWidget::onTextChanged
+// @see header
+//---------------------------------------------------------------
+void MsgEditorWidget::onTextChanged(const QString& str)
+{
+    //If char limit is already reached we are about to show the sms limit dialog
+    //So we need not process the additional character entered
+    if(mSmsCharLimitReached)
+    {
+        return;
+    }
+    if(str.length() > 0 )
+        {
+        if(!mSendButton->isEnabled())
+            {
+            mSendButton->setFocusProxy(mMsgEditor);
+            mSendButton->setEnabled(true);
+            updateButtonBackground(SEND_BUTTON_NORMAL);
+            }
+        }
+    else
+        {
+        if(mSendButton->isEnabled())
+            {
+            mSendButton->setFocusProxy(0);
+            mSendButton->setEnabled(false);
+            updateButtonBackground(SEND_BUTTON_DISABLED);
+            }
+        }
+    
+    //Check done for optimization
+    //Only if content is deleted we need to call encodingsettings again
+    if(mPrevBuffer.isEmpty() || str.size() <= mPrevBuffer.size())
+    {
+    mPluginInterface->setEncodingSettings(EFalse,ESmsEncodingNone,mCharSupportType);
+    }
+    
+    TInt numOfRemainingChars;
+    TInt numOfPDUs;
+    TBool unicodeMode;
+    TSmsEncoding alternativeEncodingType;
+    QString string = str;
+    mPluginInterface->getNumPDUs(string, numOfRemainingChars, numOfPDUs,
+        unicodeMode, alternativeEncodingType);
+
+    //Set char counter value
+    QString display = QString("%1(%2)").arg(numOfRemainingChars).arg(numOfPDUs);
+    mCharCounter->setText(display);
+    
+    if(numOfPDUs > 1 || numOfRemainingChars <= KShowCounterLimit  )
+    {
+        mCharCounter->setVisible(true);
+        mBackgroundItem->setVisible(true);
+    }
+    else
+    {
+        mCharCounter->setVisible(false);
+        mBackgroundItem->setVisible(false);
+    }
+    
+    //Check if sms segment limit has been reached
+    bool unicode = (unicodeMode) ? true : false;
+    int contentSize = mEditorUtils->UTF8Size(string);
+    int maxSmsSize =  0;
+    TRAP_IGNORE(maxSmsSize = mEditorUtils->MaxSmsMsgSizeL(unicode));
+    
+    if(contentSize > maxSmsSize)
+    {        
+        //Give breathing time for ITUT to complete its processing
+        //without this there is a crash as ITUT cant complete its processing
+        mSmsCharLimitReached = true;
+        QTimer::singleShot(50, this, SLOT(handleSmsCharLimitReached()));   
+        if(mPrevBuffer.isEmpty())
+        {
+            //Chop the last char and set it to the editor
+            string.chop(1);
+            mPrevBuffer = string;
+        }
+    }
+    else
+    {                
+        //Save the previous buffer
+        mPrevBuffer = string;        
+    }
+}
+
+//---------------------------------------------------------------
+// MsgEditorWidget::handleSmsCharLimitReached
+// @see header
+//---------------------------------------------------------------
+void MsgEditorWidget::handleSmsCharLimitReached()
+{
+    mSmsCharLimitReached = false;
+    
+    HbMessageBox::question(LOC_SMS_CHAR_LIMIT_REACHED,
+        this,SLOT(onSmsCharLimitReached(HbAction*)),
+        LOC_DIALOG_OK,
+        LOC_BUTTON_CANCEL);
+
+
+}
+
+//---------------------------------------------------------------
+// MsgEditor::onClicked
+// @see header
+//---------------------------------------------------------------
+void MsgEditorWidget::onClicked()
+    {    
+    mSendButton->setFocusProxy(0);
+    mMsgEditor->setFocusProxy(mSendButton);
+    
+    this->scene()->clearFocus();
+    this->scene()->setFocusItem(mSendButton);
+    
+    mMsgEditor->setFocusProxy(0);
+
+    mMsgEditor->setCursorVisibility(Hb::TextCursorHidden);
+    
+    emit sendMessage();
+    }
+
+//---------------------------------------------------------------
+// MsgEditor::updateButtonBackground
+// @see header
+//---------------------------------------------------------------
+void MsgEditorWidget::updateButtonBackground(const QString& bg)
+    {
+    HbFrameDrawer* drawer = mSendButton->frameBackground();
+    if(drawer)
+        {
+        drawer->setFrameGraphicsName(bg);        
+        }
+    }
+
+//---------------------------------------------------------------
+// MsgEditor::onPressed
+// @see header
+//---------------------------------------------------------------
+void MsgEditorWidget::onPressed()
+    {
+    updateButtonBackground(SEND_BUTTON_PRESSED);
+    }
+
+//---------------------------------------------------------------
+// MsgEditor::onReleased
+// @see header
+//---------------------------------------------------------------
+void MsgEditorWidget::onReleased()
+    {
+    updateButtonBackground(SEND_BUTTON_NORMAL);
+    }
+	
+//---------------------------------------------------------------
+// MsgEditor::setEncodingSettingsL
+// @see header
+//---------------------------------------------------------------
+void MsgEditorWidget::setEncodingSettingsL()
+{ 
+    if( mPluginLoader )
+    {
+        delete mPluginLoader;
+    }
+    mPluginLoader = new UniEditorPluginLoader(this);
+
+    mPluginInterface =
+                        mPluginLoader->getUniEditorPlugin(ConvergedMessage::Sms);    
+
+    CSmsSettings* settings = CSmsSettings::NewLC();
+    CSmsAccount* account = CSmsAccount::NewLC();
+    account->LoadSettingsL( *settings );
+
+    if( settings->CharacterSet() == TSmsDataCodingScheme::ESmsAlphabetUCS2)
+    {
+    mCharSupportType = TUniSendingSettings::EUniCharSupportFull;
+    }
+    else
+    {
+    mCharSupportType = TUniSendingSettings::EUniCharSupportReduced;
+    }
+
+    CleanupStack::PopAndDestroy( account );
+    CleanupStack::PopAndDestroy( settings );                
+
+    //Set the mPrevBuffer to NULL initially
+    mPrevBuffer = QString();
+    
+    mSmsCharLimitReached = false;
+    
+    mCharCounter->setVisible(false);
+    mBackgroundItem->setVisible(false);
+}
+
+//---------------------------------------------------------------
+// MsgEditor::MsgEditor
+// @see header
+//---------------------------------------------------------------
+MsgEditor::MsgEditor(QGraphicsItem *parent)
+:HbLineEdit(parent)
+    {
+    
+    }
+
+//---------------------------------------------------------------
+// MsgEditor::focusInEvent
+// @see header
+//---------------------------------------------------------------
+void MsgEditor::focusInEvent(QFocusEvent *event)
+ {
+    if(event->reason() == Qt::MouseFocusReason)
+    {
+        HbLineEdit::focusInEvent(event);
+        FOCUSITEM->setFocusProxy(this);
+        setCursorVisibility(Hb::TextCursorVisible);
+        emit replyStarted();
+    }
+    else
+    {
+        setCursorVisibility(Hb::TextCursorHidden);
+    }
+ }
+
+//---------------------------------------------------------------
+// MsgEditor::focusOutEvent
+// @see header
+//---------------------------------------------------------------
+void MsgEditor::focusOutEvent(QFocusEvent * event)
+    {
+    FOCUSITEM->setFocusProxy(0);
+    setCursorVisibility(Hb::TextCursorHidden);
+    HbLineEdit::focusOutEvent(event);  
+    }
+
+//---------------------------------------------------------------
+// MsgEditor::onSmsCharLimitReached
+// @see header
+//---------------------------------------------------------------
+void MsgEditorWidget::onSmsCharLimitReached(HbAction* action)
+{
+    HbMessageBox *dlg = qobject_cast<HbMessageBox*> (sender());
+    if (action == dlg->actions().at(0)) {
+
+        //Launch UniEditor 
+        emit smsCharLimitReached();
+    }
+    else {
+        //Set the previous content
+        setContent( QString(mPrevBuffer));
+    }
+}
+
+// EOF