mirror of
https://github.com/YACReader/yacreader
synced 2025-05-28 03:10:27 -04:00
94 lines
2.5 KiB
C++
94 lines
2.5 KiB
C++
#include "check_new_version.h"
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#include <QMessageBox>
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#include <QUrl>
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#include <QtGlobal>
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#include <QStringList>
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#define VERSION "0.4.5"
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HttpVersionChecker::HttpVersionChecker()
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:QWidget()
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{
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http = new QHttp(this);
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connect(http, SIGNAL(requestFinished(int, bool)),
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this, SLOT(httpRequestFinished(int, bool)));
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connect(http, SIGNAL(responseHeaderReceived(const QHttpResponseHeader &)),
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this, SLOT(readResponseHeader(const QHttpResponseHeader &)));
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connect(http, SIGNAL(readyRead(const QHttpResponseHeader &)),
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this, SLOT(read(const QHttpResponseHeader &)));
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}
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void HttpVersionChecker::get()
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{
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QUrl url("http://code.google.com/p/yacreader/downloads/list");
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QHttp::ConnectionMode mode = QHttp::ConnectionModeHttp;
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http->setHost(url.host(), mode, url.port() == -1 ? 0 : url.port());
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QByteArray path = QUrl::toPercentEncoding(url.path(), "!$&'()*+,;=:@/");
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if (path.isEmpty())
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path = "/";
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httpGetId = http->get(path, 0);
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}
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void HttpVersionChecker::readResponseHeader(const QHttpResponseHeader &responseHeader)
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{
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}
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void HttpVersionChecker::read(const QHttpResponseHeader &){
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content.append(http->readAll());
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}
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void HttpVersionChecker::httpRequestFinished(int requestId, bool error)
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{
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QString response(content);
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#ifdef Q_WS_WIN
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QRegExp rx(".*YACReader\\-([0-9]+).([0-9]+).([0-9]+)\\.?([0-9]+)?.{0,5}win32.*");
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#endif
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#ifdef Q_WS_X11
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QRegExp rx(".*YACReader\\-([0-9]+).([0-9]+).([0-9]+)\\.?([0-9]+)?.{0,5}X11.*");
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#endif
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#ifdef Q_WS_MAC
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QRegExp rx(".*YACReader\\-([0-9]+).([0-9]+).([0-9]+)\\.?([0-9]+)?.{0,5}Mac.*");
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#endif
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int index = 0;
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bool newVersion = false;
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bool sameVersion = true;
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//bool currentVersionIsNewer = false;
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QString version(VERSION);
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QStringList sl = version.split(".");
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if((index = rx.indexIn(response))!=-1)
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{
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int length = qMin(sl.size(),(rx.cap(4)!="")?4:3);
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for(int i=0;i<length;i++)
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{
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if(rx.cap(i+1).toInt()<sl.at(i).toInt())
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{
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return;
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}
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if(rx.cap(i+1).toInt()>sl.at(i).toInt()){
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newVersion=true;
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break;
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}
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else
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sameVersion = sameVersion && rx.cap(i+1).toInt()==sl.at(i).toInt();
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}
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if(!newVersion && sameVersion)
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{
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if((sl.size()==3)&&(rx.cap(4)!=""))
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newVersion = true;
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}
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}
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if(newVersion == true)
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emit newVersionDetected();
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}
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