QWebElement replace = lastElement_.findFirst("span.swift_message");

assert(!replace.isNull());

QString old = lastElement_.toOuterXml();

replace.setInnerXml(ChatSnippet::escape(newMessage));

}

void QtChatView::replaceLastMessage(const QString& newMessage, const QString& note) {

rememberScrolledToBottom();

replaceLastMessage(newMessage);

QWebElement replace = lastElement_.findFirst("span.swift_time");

assert(!replace.isNull());

replace.setInnerXml(ChatSnippet::escape(note));

}

QString QtChatView::getLastSentMessage() {

return lastElement_.toPlainText();

}

void QtChatView::addToJSEnvironment(const QString& name, QObject* obj) {

webView_->page()->currentFrame()->addToJavaScriptWindowObject(name, obj);

}

void QtChatView::replaceMessage(const QString& newMessage, const QString& id, const QDateTime& editTime) {

rememberScrolledToBottom();

QWebElement message = document_.findFirst("#" + id);

if (!message.isNull()) {

QWebElement replaceContent = message.findFirst("span.swift_message");

assert(!replaceContent.isNull());

QString old = replaceContent.toOuterXml();

replaceContent.setInnerXml(ChatSnippet::escape(newMessage));

QWebElement replaceTime = message.findFirst("span.swift_time");

assert(!replaceTime.isNull());

old = replaceTime.toOuterXml();

replaceTime.setInnerXml(ChatSnippet::escape(tr("%1 edited").arg(ChatSnippet::timeToEscapedString(editTime))));

}

}

void QtChatView::copySelectionToClipboard() {

if (!webPage_->selectedText().isEmpty()) {

webPage_->triggerAction(QWebPage::Copy);

}

}

void QtChatView::setAckXML(const QString& id, const QString& xml) {

QWebElement message = document_.findFirst("#" + id);

/* Deliberately not asserting here, so that when we start expiring old messages it won't hit us */

if (message.isNull()) return;

QWebElement ackElement = message.findFirst("span.swift_ack");

assert(!ackElement.isNull());

ackElement.setInnerXml(xml);

}

void QtChatView::rememberScrolledToBottom() {

isAtBottom_ = webPage_->mainFrame()->scrollBarValue(Qt::Vertical) == webPage_->mainFrame()->scrollBarMaximum(Qt::Vertical);

}

void QtChatView::scrollToBottom() {

isAtBottom_ = true;

webPage_->mainFrame()->setScrollBarValue(Qt::Vertical, webPage_->mainFrame()->scrollBarMaximum(Qt::Vertical));

webView_->update(); /* Work around redraw bug in some versions of Qt. */

}

void QtChatView::handleFrameSizeChanged() {

if (isAtBottom_) {

scrollToBottom();

}

}

void QtChatView::handleLinkClicked(const QUrl& url) {

QDesktopServices::openUrl(url);