kmreaderwin.cpp

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/* -*- mode: C++; c-file-style: "gnu" -*-
  This file is part of KMail, the KDE mail client.
  Copyright (c) 1997 Markus Wuebben <markus.wuebben@kde.org>
  Copyright (c) 2009-2015 Laurent Montel <montel@kde.org>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation; either version 2 of the License, or
  (at your option) any later version.

  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  GNU General Public License for more details.

  You should have received a copy of the GNU General Public License along
  with this program; if not, write to the Free Software Foundation, Inc.,
  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/

// define this to copy all html that is written to the readerwindow to
// filehtmlwriter.out in the current working directory
#include "kmreaderwin.h"

#include "settings/globalsettings.h"
#include "kmmainwidget.h"
#include "kmreadermainwin.h"
#include "kernel/mailkernel.h"
#include "dialog/addemailtoexistingcontactdialog.h"
#include "job/addemailtoexistingcontactjob.h"

#include "kdepim-version.h"
#include <kpimutils/email.h>
#include <libkdepim/job/addemailaddressjob.h>
#include <libkdepim/job/openemailaddressjob.h>
#include <libkdepim/job/addemaildisplayjob.h>
#include <libkdepim/misc/broadcaststatus.h>
#include "kmcommands.h"
#include "mailcommon/mdn/sendmdnhandler.h"
#include <QVBoxLayout>
#include "messageviewer/header/headerstrategy.h"
#include "messageviewer/header/headerstyle.h"
#include "messageviewer/viewer/mailwebview.h"
#include "messageviewer/utils/markmessagereadhandler.h"
#include "messageviewer/settings/globalsettings.h"
#include "messageviewer/viewer/csshelper.h"
using MessageViewer::CSSHelper;
#include "util.h"
#include "utils/stringutil.h"

#include <kmime/kmime_mdn.h>
#include <akonadi/kmime/messageflags.h>

#include "messageviewer/viewer/viewer.h"
using namespace MessageViewer;
#include <messagecore/settings/globalsettings.h>

#include "messageviewer/viewer/attachmentstrategy.h"
#include "messagecomposer/sender/messagesender.h"
#include "messagecomposer/helper/messagefactory.h"
#include "messagecomposer/composer/composer.h"
#include "messagecomposer/part/textpart.h"
#include "messagecomposer/part/infopart.h"

#include <KIO/JobUiDelegate>
using MessageComposer::MessageFactory;

#include "messagecore/helpers/messagehelpers.h"

#include <Akonadi/Contact/ContactEditorDialog>

#include <kde_file.h>
#include <kdebug.h>
#include <klocale.h>
#include <kaction.h>
#include <kicon.h>
#include <kcodecs.h>
#include <ktoggleaction.h>
#include <kservice.h>
#include <KActionCollection>
#include <KMessageBox>
#include <KMenu>

#include <QClipboard>

// X headers...
#undef Never
#undef Always

#include <unistd.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <stdio.h>
#include <ctype.h>
#include <string.h>
#include <util/mailutil.h>

using namespace KMail;
using namespace MailCommon;


KMReaderWin::KMReaderWin(QWidget *aParent,
                         QWidget *mainWindow,
                         KActionCollection* actionCollection,
                         Qt::WindowFlags aFlags )
    : QWidget(aParent, aFlags ),
      mMainWindow( mainWindow ),
      mActionCollection( actionCollection ),
      mMailToComposeAction( 0 ),
      mMailToReplyAction( 0 ),
      mMailToForwardAction( 0 ),
      mAddAddrBookAction( 0 ),
      mOpenAddrBookAction( 0 ),
      mUrlSaveAsAction( 0 ),
      mAddBookmarksAction( 0 ),
      mAddEmailToExistingContactAction( 0 )
{
    createActions();
    QVBoxLayout * vlay = new QVBoxLayout( this );
    vlay->setMargin( 0 );
    mViewer = new Viewer( this, mainWindow, mActionCollection );
    mViewer->setExternalWindow( true );
    mViewer->setAppName( QLatin1String("KMail") );
    connect( mViewer, SIGNAL(urlClicked(Akonadi::Item,KUrl)),
             this, SLOT(slotUrlClicked(Akonadi::Item,KUrl)) );
    connect( mViewer, SIGNAL(requestConfigSync()), kmkernel, SLOT(slotRequestConfigSync()), Qt::QueuedConnection ); // happens anyway on shutdown, so we can skip it there with using a queued connection
    connect( mViewer, SIGNAL(makeResourceOnline(MessageViewer::Viewer::ResourceOnlineMode)), kmkernel, SLOT(makeResourceOnline(MessageViewer::Viewer::ResourceOnlineMode)));
    connect( mViewer, SIGNAL(showReader(KMime::Content*,bool,QString)),
             this, SLOT(slotShowReader(KMime::Content*,bool,QString)) );
    connect( mViewer, SIGNAL(showMessage(KMime::Message::Ptr,QString)),
             this, SLOT(slotShowMessage(KMime::Message::Ptr,QString)) );
    connect( mViewer, SIGNAL(showStatusBarMessage(QString)),
             this, SIGNAL(showStatusBarMessage(QString)) );
    connect( mViewer, SIGNAL(deleteMessage(Akonadi::Item)),
             this, SLOT(slotDeleteMessage(Akonadi::Item)) );

    mViewer->addMessageLoadedHandler( new MessageViewer::MarkMessageReadHandler( this ) );
    mViewer->addMessageLoadedHandler( new MailCommon::SendMdnHandler( kmkernel, this ) );

    vlay->addWidget( mViewer );
    readConfig();

}

void KMReaderWin::createActions()
{
    KActionCollection *ac = mActionCollection;
    if ( !ac ) {
        return;
    }
    //
    // Message Menu
    //
    // new message to
    mMailToComposeAction = new KAction( KIcon( QLatin1String("mail-message-new") ),
                                        i18n( "New Message To..." ), this );
    ac->addAction(QLatin1String("mail_new"), mMailToComposeAction );
    mMailToComposeAction->setShortcutConfigurable( false );
    connect( mMailToComposeAction, SIGNAL(triggered(bool)),
             SLOT(slotMailtoCompose()) );

    // reply to
    mMailToReplyAction = new KAction( KIcon( QLatin1String("mail-reply-sender") ),
                                      i18n( "Reply To..." ), this );
    ac->addAction( QLatin1String("mailto_reply"), mMailToReplyAction );
    mMailToReplyAction->setShortcutConfigurable( false );
    connect( mMailToReplyAction, SIGNAL(triggered(bool)),
             SLOT(slotMailtoReply()) );

    // forward to
    mMailToForwardAction = new KAction( KIcon( QLatin1String("mail-forward" )),
                                        i18n( "Forward To..." ), this );
    mMailToForwardAction->setShortcutConfigurable( false );
    ac->addAction( QLatin1String("mailto_forward"), mMailToForwardAction );
    connect( mMailToForwardAction, SIGNAL(triggered(bool)),
             SLOT(slotMailtoForward()) );


    // add to addressbook
    mAddAddrBookAction = new KAction( KIcon(QLatin1String( "contact-new") ),
                                      i18n( "Add to Address Book" ), this );
    mAddAddrBookAction->setShortcutConfigurable( false );
    ac->addAction( QLatin1String("add_addr_book"), mAddAddrBookAction );
    connect( mAddAddrBookAction, SIGNAL(triggered(bool)),
             SLOT(slotMailtoAddAddrBook()) );

    mAddEmailToExistingContactAction = new KAction( KIcon(QLatin1String( "contact-new") ),
                                                    i18n( "Add to Existing Contact" ), this );
    mAddEmailToExistingContactAction->setShortcutConfigurable( false );
    ac->addAction( QLatin1String("add_to_existing_contact"), mAddAddrBookAction );
    connect( mAddEmailToExistingContactAction, SIGNAL(triggered(bool)),
             SLOT(slotMailToAddToExistingContact()) );


    // open in addressbook
    mOpenAddrBookAction = new KAction( KIcon( QLatin1String("view-pim-contacts") ),
                                       i18n( "Open in Address Book" ), this );
    mOpenAddrBookAction->setShortcutConfigurable( false );
    ac->addAction( QLatin1String("openin_addr_book"), mOpenAddrBookAction );
    connect( mOpenAddrBookAction, SIGNAL(triggered(bool)),
             SLOT(slotMailtoOpenAddrBook()) );
    // bookmark message
    mAddBookmarksAction = new KAction( KIcon( QLatin1String("bookmark-new") ), i18n( "Bookmark This Link" ), this );
    mAddBookmarksAction->setShortcutConfigurable( false );
    ac->addAction( QLatin1String("add_bookmarks"), mAddBookmarksAction );
    connect( mAddBookmarksAction, SIGNAL(triggered(bool)),
             SLOT(slotAddBookmarks()) );

    mEditContactAction = new KAction( KIcon( QLatin1String("view-pim-contacts") ),
                                      i18n( "Edit contact..." ), this );
    mEditContactAction->setShortcutConfigurable( false );
    ac->addAction( QLatin1String("edit_contact"), mOpenAddrBookAction );
    connect( mEditContactAction, SIGNAL(triggered(bool)),
             SLOT(slotEditContact()) );

    // save URL as
    mUrlSaveAsAction = new KAction( i18n( "Save Link As..." ), this );
    ac->addAction( QLatin1String("saveas_url"), mUrlSaveAsAction );
    mUrlSaveAsAction->setShortcutConfigurable( false );
    connect( mUrlSaveAsAction, SIGNAL(triggered(bool)), SLOT(slotUrlSave()) );

    // find text
    KAction *action = new KAction(KIcon(QLatin1String("edit-find")), i18n("&Find in Message..."), this);
    ac->addAction(QLatin1String("find_in_messages"), action );
    connect(action, SIGNAL(triggered(bool)), SLOT(slotFind()));
    action->setShortcut(KStandardShortcut::find());

    // save Image On Disk
    mImageUrlSaveAsAction = new KAction( i18n( "Save Image On Disk..." ), this );
    ac->addAction( QLatin1String("saveas_imageurl"), mImageUrlSaveAsAction );
    mImageUrlSaveAsAction->setShortcutConfigurable( false );
    connect( mImageUrlSaveAsAction, SIGNAL(triggered(bool)), SLOT(slotSaveImageOnDisk()) );

    // View html options
    mViewHtmlOptions = new KMenu(i18n("Show HTML Format"));
    mViewAsHtml = new KAction( i18n("Show HTML format when mail comes from this contact"), mViewHtmlOptions);
    mViewAsHtml->setShortcutConfigurable( false );
    connect( mViewAsHtml, SIGNAL(triggered(bool)), SLOT(slotContactHtmlOptions()));
    mViewAsHtml->setCheckable(true);
    mViewHtmlOptions->addAction(mViewAsHtml);

    mLoadExternalReference = new KAction( i18n("Load external reference when mail comes for this contact"), mViewHtmlOptions);
    mLoadExternalReference->setShortcutConfigurable( false );
    connect(mLoadExternalReference, SIGNAL(triggered(bool)), SLOT(slotContactHtmlOptions()));
    mLoadExternalReference->setCheckable(true);
    mViewHtmlOptions->addAction(mLoadExternalReference);


    mShareImage = new KAction(i18n("Share image..."), this);
    ac->addAction( QLatin1String("share_imageurl"), mShareImage );
    mShareImage->setShortcutConfigurable( false );
    connect(mShareImage, SIGNAL(triggered(bool)), SLOT(slotShareImage()));


}

void KMReaderWin::setUseFixedFont( bool useFixedFont )
{
    mViewer->setUseFixedFont( useFixedFont );
}

bool KMReaderWin::isFixedFont() const
{
    return mViewer->isFixedFont();
}


KMReaderWin::~KMReaderWin()
{
}



void KMReaderWin::readConfig(void)
{
    mViewer->readConfig();
}

void KMReaderWin::setAttachmentStrategy( const AttachmentStrategy * strategy ) {
    mViewer->setAttachmentStrategy( strategy );
}

void KMReaderWin::setHeaderStyleAndStrategy( HeaderStyle * style,
                                             HeaderStrategy * strategy ) {
    mViewer->setHeaderStyleAndStrategy( style, strategy );
}

void KMReaderWin::setOverrideEncoding( const QString & encoding )
{
    mViewer->setOverrideEncoding( encoding );
}


void KMReaderWin::clearCache()
{
    clear();
}

// enter items for the "Important changes" list here:
static const char * const kmailChanges[] = {
    I18N_NOOP( "KMail is now based on the Akonadi Personal Information Management framework, which brings many "
    "changes all around.")
};
static const int numKMailChanges =
        sizeof kmailChanges / sizeof *kmailChanges;

// enter items for the "new features" list here, so the main body of
// the welcome page can be left untouched (probably much easier for
// the translators). Note that the <li>...</li> tags are added
// automatically below:
static const char * const kmailNewFeatures[] = {
    I18N_NOOP( "Push email (IMAP IDLE)" ),
    I18N_NOOP( "Improved virtual folders" ),
    I18N_NOOP( "Improved searches" ),
    I18N_NOOP( "Support for adding notes (annotations) to mails" ),
    I18N_NOOP( "Tag folders" ),
    I18N_NOOP( "Less GUI freezes, mail checks happen in the background" )
};
static const int numKMailNewFeatures =
        sizeof kmailNewFeatures / sizeof *kmailNewFeatures;



//static
QString KMReaderWin::newFeaturesMD5()
{
    QByteArray str;
    for ( int i = 0 ; i < numKMailChanges ; ++i )
        str += kmailChanges[i];
    for ( int i = 0 ; i < numKMailNewFeatures ; ++i )
        str += kmailNewFeatures[i];
    KMD5 md5( str );
    return QLatin1String(md5.base64Digest());
}


void KMReaderWin::displaySplashPage( const QString &info )
{
    mViewer->displaySplashPage( info );
}

void KMReaderWin::displayBusyPage()
{
    const QString info =
            i18n( "<h2 style='margin-top: 0px;'>Retrieving Folder Contents</h2><p>Please wait . . .</p>&nbsp;" );

    displaySplashPage( info );
}

void KMReaderWin::displayOfflinePage()
{
    const QString info =
            i18n( "<h2 style='margin-top: 0px;'>Offline</h2><p>KMail is currently in offline mode. "
                  "Click <a href=\"kmail:goOnline\">here</a> to go online . . .</p>&nbsp;" );

    displaySplashPage( info );
}

void KMReaderWin::displayResourceOfflinePage()
{
    const QString info =
            i18n( "<h2 style='margin-top: 0px;'>Offline</h2><p>Account is currently in offline mode. "
                  "Click <a href=\"kmail:goResourceOnline\">here</a> to go online . . .</p>&nbsp;" );

    displaySplashPage( info );
}



void KMReaderWin::displayAboutPage()
{
    KLocalizedString info =
            ki18nc("%1: KMail version; %2: help:// URL; "
                   "%3: generated list of new features; "
                   "%4: First-time user text (only shown on first start); "
                   "%5: generated list of important changes; "
                   "--- end of comment ---",
                   "<h2 style='margin-top: 0px;'>Welcome to KMail %1</h2><p>KMail is the email client by KDE. "
                   "It is designed to be fully compatible with "
                   "Internet mailing standards including MIME, SMTP, POP3, and IMAP."
                   "</p>\n"
                   "<ul><li>KMail has many powerful features which are described in the "
                   "<a href=\"%2\">documentation</a></li>\n"
                   "%5\n" // important changes
                   "%3\n" // new features
                   "%4\n" // first start info
                   "<p>We hope that you will enjoy KMail.</p>\n"
                   "<p>Thank you,</p>\n"
                   "<p style='margin-bottom: 0px'>&nbsp; &nbsp; The KMail Team</p>")
            .subs( QLatin1String(KDEPIM_VERSION) )
            .subs( QLatin1String("help:/kmail/index.html") );

    if ( ( numKMailNewFeatures > 1 ) || ( numKMailNewFeatures == 1 && strlen(kmailNewFeatures[0]) > 0 ) ) {
        QString featuresText =
                i18n("<p>Some of the new features in this release of KMail include "
                     "(compared to KMail %1, which is part of KDE Software Compilation %2):</p>\n",
                     QLatin1String("1.13"), QLatin1String(KDE::versionString()) ); // prior KMail and KDE version
        featuresText += QLatin1String("<ul>\n");
        for ( int i = 0 ; i < numKMailNewFeatures ; ++i )
            featuresText += QLatin1String("<li>") + i18n( kmailNewFeatures[i] ) + QLatin1String("</li>\n");
        featuresText += QLatin1String("</ul>\n");
        info = info.subs( featuresText );
    }
    else
        info = info.subs( QString() ); // remove the place holder

    if( kmkernel->firstStart() ) {
        info = info.subs( i18n("<p>Please take a moment to fill in the KMail "
                               "configuration panel at Settings-&gt;Configure "
                               "KMail.\n"
                               "You need to create at least a default identity and "
                               "an incoming as well as outgoing mail account."
                               "</p>\n") );
    } else {
        info = info.subs( QString() ); // remove the place holder
    }

    if ( ( numKMailChanges > 1 ) || ( numKMailChanges == 1 && strlen(kmailChanges[0]) > 0 ) ) {
        QString changesText =
                i18n("<p><span style='font-size:125%; font-weight:bold;'>"
                     "Important changes</span> (compared to KMail %1):</p>\n",
                     QLatin1String("1.13"));
        changesText += QLatin1String("<ul>\n");
        for ( int i = 0 ; i < numKMailChanges ; ++i )
            changesText += i18n("<li>%1</li>\n", i18n( kmailChanges[i] ) );
        changesText += QLatin1String("</ul>\n");
        info = info.subs( changesText );
    }
    else
        info = info.subs( QString() ); // remove the place holder

    displaySplashPage( info.toString() );
}


void KMReaderWin::slotFind()
{
    mViewer->slotFind();
}

void KMReaderWin::slotCopySelectedText()
{
    QString selection = mViewer->selectedText();
    selection.replace( QChar::Nbsp, QLatin1Char(' ') );
    QApplication::clipboard()->setText( selection );
}


void KMReaderWin::setMsgPart( KMime::Content* aMsgPart )
{
    mViewer->setMessagePart( aMsgPart );
}


QString KMReaderWin::copyText() const
{
    return mViewer->selectedText();
}


MessageViewer::Viewer::DisplayFormatMessage KMReaderWin::displayFormatMessageOverwrite() const
{
    return mViewer->displayFormatMessageOverwrite();
}

void KMReaderWin::setDisplayFormatMessageOverwrite(MessageViewer::Viewer::DisplayFormatMessage format)
{
    mViewer->setDisplayFormatMessageOverwrite(format);
}



void KMReaderWin::setHtmlLoadExtOverride( bool override )
{
    mViewer->setHtmlLoadExtOverride( override );
}


bool KMReaderWin::htmlMail() const
{
    return mViewer->htmlMail();
}


bool KMReaderWin::htmlLoadExternal()
{
    return mViewer->htmlLoadExternal();
}


Akonadi::Item KMReaderWin::message() const
{
    return mViewer->messageItem();
}


void KMReaderWin::slotMailtoCompose()
{
    KMCommand *command = new KMMailtoComposeCommand( urlClicked(), message() );
    command->start();
}


void KMReaderWin::slotMailtoForward()
{
    KMCommand *command = new KMMailtoForwardCommand( mMainWindow, urlClicked(),
                                                     message() );
    command->start();
}


void KMReaderWin::slotMailtoAddAddrBook()
{
    const KUrl url = urlClicked();
    if( url.isEmpty() )
        return;
    const QString emailString = KPIMUtils::decodeMailtoUrl( url );

    KPIM::AddEmailAddressJob *job = new KPIM::AddEmailAddressJob( emailString, mMainWindow, this );
    job->start();
}

void KMReaderWin::slotMailToAddToExistingContact()
{
    const KUrl url = urlClicked();
    if( url.isEmpty() )
        return;
    const QString emailString = KPIMUtils::decodeMailtoUrl( url );
    QPointer<AddEmailToExistingContactDialog> dlg = new AddEmailToExistingContactDialog(this);
    if (dlg->exec()) {
        Akonadi::Item item = dlg->selectedContact();
        if (item.isValid()) {
            AddEmailToExistingContactJob *job = new AddEmailToExistingContactJob(item, emailString, this);
            job->start();
        }
    }
    delete dlg;
}


void KMReaderWin::slotMailtoOpenAddrBook()
{
    const KUrl url = urlClicked();
    if( url.isEmpty() )
        return;
    const QString emailString = KPIMUtils::decodeMailtoUrl( url ).toLower();

    KPIM::OpenEmailAddressJob *job = new KPIM::OpenEmailAddressJob( emailString, mMainWindow, this );
    job->start();
}


void KMReaderWin::slotAddBookmarks()
{
    const KUrl url = urlClicked();
    if( url.isEmpty() )
        return;
    KMCommand *command = new KMAddBookmarksCommand( url, this );
    command->start();
}


void KMReaderWin::slotUrlSave()
{
    const KUrl url = urlClicked();
    if( url.isEmpty() )
        return;
    KMCommand *command = new KMUrlSaveCommand( url, mMainWindow );
    command->start();
}

void KMReaderWin::slotSaveImageOnDisk()
{
    const KUrl url = imageUrlClicked();
    if( url.isEmpty() )
        return;
    KMCommand *command = new KMUrlSaveCommand( url, mMainWindow );
    command->start();
}


void KMReaderWin::slotMailtoReply()
{
    KMCommand *command = new KMMailtoReplyCommand( mMainWindow, urlClicked(),
                                                   message(), copyText() );
    command->start();
}

CSSHelper* KMReaderWin::cssHelper() const
{
    return mViewer->cssHelper();
}

bool KMReaderWin::htmlLoadExtOverride() const
{
    return mViewer->htmlLoadExtOverride();
}
void KMReaderWin::setDecryptMessageOverwrite( bool overwrite )
{
    mViewer->setDecryptMessageOverwrite( overwrite );
}
const AttachmentStrategy * KMReaderWin::attachmentStrategy() const
{
    return mViewer->attachmentStrategy();
}

QString KMReaderWin::overrideEncoding() const
{
    return mViewer->overrideEncoding();
}

KToggleAction *KMReaderWin::toggleFixFontAction() const
{
    return mViewer->toggleFixFontAction();
}

bool KMReaderWin::mimePartTreeIsEmpty() const
{
    return mViewer->mimePartTreeIsEmpty();
}

KAction *KMReaderWin::toggleMimePartTreeAction() const
{
    return mViewer->toggleMimePartTreeAction();
}

KAction *KMReaderWin::selectAllAction() const
{
    return mViewer->selectAllAction();
}

const HeaderStrategy * KMReaderWin::headerStrategy() const
{
    return mViewer->headerStrategy();
}

HeaderStyle * KMReaderWin::headerStyle() const
{
    return mViewer->headerStyle();
}

KAction *KMReaderWin::copyURLAction() const
{
    return mViewer->copyURLAction();
}

KAction *KMReaderWin::copyImageLocation() const
{
    return mViewer->copyImageLocation();
}

KAction *KMReaderWin::copyAction() const
{
    return mViewer->copyAction();
}

KAction *KMReaderWin::viewSourceAction() const
{
    return mViewer->viewSourceAction();
}

KAction *KMReaderWin::saveAsAction() const
{
    return mViewer->saveAsAction();
}

KAction *KMReaderWin::findInMessageAction() const
{
    return mViewer->findInMessageAction();
}

KAction *KMReaderWin::urlOpenAction() const
{
    return mViewer->urlOpenAction();
}
void KMReaderWin::setPrinting(bool enable)
{
    mViewer->setPrinting( enable );
}

KAction* KMReaderWin::speakTextAction() const
{
    return mViewer->speakTextAction();
}

KAction* KMReaderWin::downloadImageToDiskAction() const
{
    return mImageUrlSaveAsAction;
}

KAction* KMReaderWin::translateAction() const
{
    return mViewer->translateAction();
}

void KMReaderWin::clear(bool force )
{
    mViewer->clear( force ? Viewer::Force : Viewer::Delayed );
}

void KMReaderWin::setMessage( const Akonadi::Item &item, Viewer::UpdateMode updateMode)
{
    kDebug() << Q_FUNC_INFO << parentWidget();
    mViewer->setMessageItem( item, updateMode );
}

void KMReaderWin::setMessage( KMime::Message::Ptr message)
{
    mViewer->setMessage( message );
}


KUrl KMReaderWin::urlClicked() const
{
    return mViewer->urlClicked();
}

KUrl KMReaderWin::imageUrlClicked() const
{
    return mViewer->imageUrlClicked();
}

void KMReaderWin::update( bool force )
{
    mViewer->update( force ? Viewer::Force : Viewer::Delayed );
}

void KMReaderWin::slotUrlClicked( const Akonadi::Item & item, const KUrl & url )
{
    if ( item.isValid() && item.parentCollection().isValid() ) {
        QSharedPointer<FolderCollection> fd = FolderCollection::forCollection(
                    MailCommon::Util::updatedCollection( item.parentCollection() ), false );
        KMail::Util::handleClickedURL( url, fd );
        return;
    }
    //No folder so we can't have identity and template.
    KMail::Util::handleClickedURL( url );
}

void KMReaderWin::slotShowReader( KMime::Content* msgPart, bool html, const QString &encoding )
{
    const MessageViewer::Viewer::DisplayFormatMessage format = html ? MessageViewer::Viewer::Html : MessageViewer::Viewer::Text;
    KMReaderMainWin *win = new KMReaderMainWin( msgPart, format, encoding );
    win->show();
}

void KMReaderWin::slotShowMessage( KMime::Message::Ptr message, const QString& encoding )
{
    KMReaderMainWin *win = new KMReaderMainWin();
    win->showMessage( encoding, message );
    win->show();
}

void KMReaderWin::slotDeleteMessage(const Akonadi::Item& item)
{
    if ( !item.isValid() )
        return;
    KMTrashMsgCommand *command = new KMTrashMsgCommand( item.parentCollection(), item, -1 );
    command->start();
}

bool KMReaderWin::printSelectedText(bool preview)
{
    const QString str = mViewer->selectedText();
    if(str.isEmpty())
        return false;
    ::MessageComposer::Composer* composer = new ::MessageComposer::Composer;
    composer->textPart()->setCleanPlainText(str);
    composer->textPart()->setWrappedPlainText(str);
    KMime::Message::Ptr messagePtr = message().payload<KMime::Message::Ptr>();
    composer->infoPart()->setFrom(messagePtr->from()->asUnicodeString());
    composer->infoPart()->setTo(QStringList()<<messagePtr->to()->asUnicodeString());
    composer->infoPart()->setCc(QStringList()<<messagePtr->cc()->asUnicodeString());
    composer->infoPart()->setSubject(messagePtr->subject()->asUnicodeString());
    composer->setProperty("preview",preview);
    connect( composer, SIGNAL(result(KJob*)),
             this, SLOT(slotPrintComposeResult(KJob*)) );
    composer->start();
    return true;
}

void KMReaderWin::slotPrintComposeResult( KJob *job )
{
    const bool preview = job->property("preview").toBool();
    Q_ASSERT( dynamic_cast< ::MessageComposer::Composer* >( job ) );

    ::MessageComposer::Composer* composer = dynamic_cast< ::MessageComposer::Composer* >( job );
    if( composer->error() == ::MessageComposer::Composer::NoError ) {

        Q_ASSERT( composer->resultMessages().size() == 1 );
        Akonadi::Item printItem;
        printItem.setPayload<KMime::Message::Ptr>( composer->resultMessages().first() );
        Akonadi::MessageFlags::copyMessageFlags(*(composer->resultMessages().first()), printItem);
        const bool useFixedFont = MessageViewer::GlobalSettings::self()->useFixedFont();
        const QString overrideEncoding = MessageCore::GlobalSettings::self()->overrideCharacterEncoding();

        KMPrintCommand *command = new KMPrintCommand( this, printItem, mViewer->headerStyle(), mViewer->headerStrategy()
                                                      , mViewer->displayFormatMessageOverwrite(), mViewer->htmlLoadExternal() ,useFixedFont, overrideEncoding );
        command->setPrintPreview( preview );
        command->start();
    } else {
        if ( static_cast<KIO::Job*>(job)->ui() ) {
            static_cast<KIO::Job*>(job)->ui()->showErrorMessage();
        } else {
            kWarning() << "Composer for printing failed:" << composer->errorString();
        }
    }

}

void KMReaderWin::clearContactItem()
{
    mSearchedContact = Akonadi::Item();
    mSearchedAddress = KABC::Addressee();
    mLoadExternalReference->setChecked(false);
    mViewAsHtml->setChecked(false);
}

void KMReaderWin::setContactItem(const Akonadi::Item& contact, const KABC::Addressee &address)
{
    mSearchedContact = contact;
    mSearchedAddress = address;
    updateHtmlActions();
}

void KMReaderWin::updateHtmlActions()
{
    if (!mSearchedContact.isValid()) {
        mLoadExternalReference->setChecked(false);
        mViewAsHtml->setChecked(false);
    } else {
        const QStringList customs = mSearchedAddress.customs();
        Q_FOREACH ( const QString& custom, customs ) {
            if ( custom.contains(QLatin1String( "MailPreferedFormatting")) ) {
                const QString value = mSearchedAddress.custom( QLatin1String( "KADDRESSBOOK" ), QLatin1String( "MailPreferedFormatting" ) );
                mViewAsHtml->setChecked(value == QLatin1String( "HTML" ));
            } else if ( custom.contains(QLatin1String( "MailAllowToRemoteContent")) ) {
                const QString value = mSearchedAddress.custom( QLatin1String( "KADDRESSBOOK" ), QLatin1String( "MailAllowToRemoteContent" ) );
                mLoadExternalReference->setChecked(( value == QLatin1String( "TRUE" ) ));
            }
        }
    }
}

void KMReaderWin::slotContactHtmlOptions()
{
    const KUrl url = urlClicked();
    if( url.isEmpty() )
        return;
    const QString emailString = KPIMUtils::decodeMailtoUrl( url ).toLower();

    KPIM::AddEmailDiplayJob *job = new KPIM::AddEmailDiplayJob( emailString, mMainWindow, this );
    job->setRemoteContent(mLoadExternalReference->isChecked());
    job->setShowAsHTML(mViewAsHtml->isChecked());
    job->setContact(mSearchedContact);
    job->start();
}

void KMReaderWin::slotEditContact()
{
    if( mSearchedContact.isValid() ) {
        QPointer<Akonadi::ContactEditorDialog> dlg =
                new Akonadi::ContactEditorDialog( Akonadi::ContactEditorDialog::EditMode, this );
        connect( dlg, SIGNAL(contactStored(Akonadi::Item)),
                 this, SLOT(contactStored(Akonadi::Item)) );
        connect( dlg, SIGNAL(error(QString)),
                 this, SLOT(slotContactEditorError(QString)) );
        dlg->setContact( mSearchedContact );
        dlg->exec();
        delete dlg;
    }
}

void KMReaderWin::slotContactEditorError(const QString &error)
{
    KMessageBox::error(this, i18n("Contact cannot be stored: %1", error), i18n("Failed to store contact"));
}

void KMReaderWin::contactStored( const Akonadi::Item &item )
{
    Q_UNUSED( item );
    KPIM::BroadcastStatus::instance()->setStatusMsg( i18n( "Contact modified successfully" ) );
}

KAction *KMReaderWin::saveMessageDisplayFormatAction() const
{
    return mViewer->saveMessageDisplayFormatAction();
}

KAction *KMReaderWin::resetMessageDisplayFormatAction() const
{
    return mViewer->resetMessageDisplayFormatAction();
}

KAction *KMReaderWin::blockImage() const
{
    return mViewer->blockImage();
}

bool KMReaderWin::adblockEnabled() const
{
    return mViewer->adblockEnabled();
}

KAction *KMReaderWin::openBlockableItems() const
{
    return mViewer->openBlockableItems();
}


void KMReaderWin::slotShareImage()
{
    KMCommand *command = new KMShareImageCommand( imageUrlClicked(), this);
    command->start();
}

bool KMReaderWin::isAShortUrl(const KUrl &url) const
{
    return mViewer->isAShortUrl(url);
}

KAction *KMReaderWin::expandShortUrlAction() const
{
    return mViewer->expandShortUrlAction();
}

KAction *KMReaderWin::createTodoAction() const
{
    return mViewer->createTodoAction();
}

KAction *KMReaderWin::createEventAction() const
{
    return mViewer->createEventAction();
}