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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (qt-info@nokia.com)
**
** This file is part of the Graphics Dojo project on Qt Labs.
**
** This file may be used under the terms of the GNU General Public
** License version 2.0 or 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of
** this file. Please review the following information to ensure GNU
** General Public Licensing requirements will be met:
** http://www.fsf.org/licensing/licenses/info/GPLv2.html and
** http://www.gnu.org/copyleft/gpl.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at qt-sales@nokia.com.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
****************************************************************************/
#include <QtGui>
#include <QtWebKit>
#include <QtXmlPatterns>
#include "twitterview.h"
#include "twitter.h"
TwitterView::TwitterView(Twitter *twitter, QWidget *parent)
: QWebView(parent),
m_twitter(twitter)
{
connect(page()->mainFrame(), SIGNAL(javaScriptWindowObjectCleared()),
this, SLOT(registerObjects()));
page()->setLinkDelegationPolicy(QWebPage::DelegateAllLinks);
connect(page(), SIGNAL(linkClicked(QUrl)), this, SLOT(handleLinkClicked(QUrl)));
connect(m_twitter, SIGNAL(finished(QNetworkReply *)), this, SLOT(handleReply(QNetworkReply *)));
showTwitter();
}
TwitterView::~TwitterView()
{
}
void TwitterView::showTwitter()
{
QXmlQuery query(QXmlQuery::XSLT20);
QByteArray ba(m_twitter->credentialsXml());
QBuffer xml(&ba);
xml.open(QIODevice::ReadOnly);
query.setFocus(&xml);
query.setQuery(QUrl("qrc:transforms/twitterview.xsl"));
QByteArray html;
QBuffer buffer(&html);
buffer.open(QIODevice::WriteOnly);
query.evaluateTo(&buffer);
buffer.close();
setHtml(html);
m_twitter->getFriendsStatus();
m_twitter->getFriends();
m_twitter->getFollowers();
}
void TwitterView::setStatus(const QString &status)
{
connect(m_twitter->setStatus(status), SIGNAL(finished()), m_twitter, SLOT(getFriendsStatus()));
}
void TwitterView::registerObjects()
{
page()->mainFrame()->addToJavaScriptWindowObject("twitter", m_twitter);
page()->mainFrame()->addToJavaScriptWindowObject("view", this);
}
void TwitterView::handleLinkClicked(const QUrl &url)
{
QString anchor = QString::fromLatin1(url.encodedFragment());
if (anchor == "meAndMyFriendsStatus") {
m_twitter->getFriendsStatus();
} else if (anchor == "myStatus") {
m_twitter->getMyStatus();
} else if (anchor == "publicStatus") {
m_twitter->getPublicStatus();
} else if (anchor.startsWith("friend_")) {
m_twitter->getUserStatus(anchor.mid(7));
} else if (anchor.startsWith("follower_")) {
m_twitter->getUserStatus(anchor.mid(9));
} else if (url.toString().startsWith("http://")) {
QDesktopServices::openUrl(url);
}
page()->mainFrame()->evaluateJavaScript("setCentralHtml('Please wait...', 'Loading...')");
}
static QString jsEscape(const QString &str, bool escapeSingleQuote = true)
{
QString string = str;
string.replace('\\', "\\\\");
if (escapeSingleQuote) {
string.replace('\'', "\\\'");
} else {
string.replace('"', "\\\"");
}
string.replace('\t', "\\t");
string.replace('\f', "\\f");
string.replace('\r', "\\r");
string.replace('\b', "\\b");
string.replace('\n', "\\n");
return string;
}
void TwitterView::handleReply(QNetworkReply *reply)
{
const QString requestType = reply->property("requestType").toString();
QString html;
QByteArray response(reply->readAll());
QBuffer xml(&response);
xml.open(QIODevice::ReadOnly);
if (reply->error() != QNetworkReply::NoError) {
QXmlQuery query;
query.setFocus(&xml);
query.setQuery("data(/hash/error)");
QString error;
query.evaluateTo(&error);
html = QString("Error. Request:%1- NetworkError:%2 ServerError:%3")
.arg(requestType).arg(reply->errorString()).arg(error.trimmed()).toUtf8();
} else {
QXmlQuery query(QXmlQuery::XSLT20);
query.setFocus(&xml);
QUrl input;
if (requestType == "getMyStatus") {
input = QUrl("qrc:transforms/singleuser.xsl");
} else if (requestType == "getPublicStatus") {
input = QUrl("qrc:transforms/public.xsl");
} else if (requestType == "getFriends") {
input = QUrl("qrc:transforms/friends.xsl");
} else if (requestType == "getFollowers") {
input = QUrl("qrc:transforms/followers.xsl");
} else if (requestType == "getFriendsStatus") {
input = QUrl("qrc:transforms/multiuser.xsl");
} else if (requestType.startsWith("getUserStatus_")) {
input = QUrl("qrc:transforms/singleuser.xsl");
}
query.setQuery(input);
QByteArray ba;
QBuffer buffer(&ba);
buffer.open(QIODevice::WriteOnly);
query.evaluateTo(&buffer);
buffer.close();
html = QString::fromUtf8(ba);
}
html = jsEscape(html);
if (requestType == "getMyStatus") {
page()->mainFrame()->evaluateJavaScript("setCentralHtml('" + html + "', 'Messages from Me')");
} else if (requestType == "getPublicStatus") {
page()->mainFrame()->evaluateJavaScript("setCentralHtml('" + html + "', 'Messages from Everyone')");
} else if (requestType == "getFriends") {
page()->mainFrame()->evaluateJavaScript("setFriendsHtml('" + html + "')");
} else if (requestType == "getFollowers") {
page()->mainFrame()->evaluateJavaScript("setFollowersHtml('" + html + "')");
} else if (requestType == "getFriendsStatus") {
page()->mainFrame()->evaluateJavaScript("setCentralHtml('" + html + "', 'Messages from Me and My Friends')");
} else if (requestType.startsWith("getUserStatus_")) {
QString user = requestType.mid(14);
page()->mainFrame()->evaluateJavaScript("setCentralHtml(\'" + html + "', '" + user + "')");
}
}
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