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rss : try to download streams' favicon

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This commit is contained in:
Arnaud Demaiziere 2007-04-14 18:04:47 +00:00
parent 3fa88436c3
commit 7d8d4e7ee5
6 changed files with 76 additions and 54 deletions
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64
src/rss.h
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@ -29,6 +29,9 @@
// avoid crash if too many refresh
#define REFRESH_FREQ_MAX 5000
#define ICON 0
#define NEWS 1
#include <QFile>
#include <QList>
#include <curl/curl.h>
@ -36,6 +39,7 @@
#include <QSettings>
#include <QDomDocument>
#include <QTime>
#include <QUrl>
#include "misc.h"
#include "downloadThread.h"
@ -118,14 +122,15 @@ class RssStream : public QObject{
QString image;
QString url;
QString filePath;
QString iconPath;
QList<RssItem*> listItem;
downloadThread* downloader;
QTime lastRefresh;
bool read;
signals:
void refreshFinished(const QString& msg);
void refreshFinished(const QString& msg, const unsigned short& type);
public slots :
// read and store the downloaded rss' informations
void processDownloadedFile(const QString&, const QString& file_path, int return_code, const QString&) {
@ -138,23 +143,43 @@ class RssStream : public QObject{
// Download failed
qDebug("(download failure) "+file_path.toUtf8());
if(QFile::exists(filePath)) {
QFile::remove(file_path);
QFile::remove(filePath);
}
emit refreshFinished(url);
emit refreshFinished(url, NEWS);
return;
}
openRss();
emit refreshFinished(url);
emit refreshFinished(url, NEWS);
}
void displayIcon(const QString&, const QString& file_path, int return_code, const QString&) {
if(QFile::exists(iconPath) && iconPath!=":/Icons/rss.png") {
QFile::remove(iconPath);
}
iconPath = file_path;
if(return_code){
// Download failed
qDebug("(download failure) "+iconPath.toUtf8());
if(QFile::exists(iconPath) && iconPath!=":/Icons/rss.png") {
QFile::remove(iconPath);
}
iconPath = ":/Icons/rss.png";
emit refreshFinished(url, ICON);
return;
}
emit refreshFinished(url, ICON);
}
public:
RssStream(const QString& _url) {
url = _url;
alias = url;
read = true;
iconPath = ":/Icons/rss.png";
downloader = new downloadThread(this);
connect(downloader, SIGNAL(downloadFinished(const QString&, const QString&, int, const QString&)), this, SLOT(processDownloadedFile(const QString&, const QString&, int, const QString&)));
downloader->downloadUrl(url);
getIcon();
lastRefresh.start();
}
@ -163,6 +188,8 @@ class RssStream : public QObject{
delete downloader;
if(QFile::exists(filePath))
QFile::remove(filePath);
if(QFile::exists(iconPath) && iconPath!=":/Icons/rss.png")
QFile::remove(iconPath);
}
// delete all the items saved
@ -212,6 +239,10 @@ class RssStream : public QObject{
return filePath;
}
QString getIconPath() const{
return filePath;
}
RssItem* getItem(unsigned int index) const{
return listItem.at(index);
}
@ -236,6 +267,13 @@ class RssStream : public QObject{
read = true;
}
void getIcon() {
QUrl siteUrl(url);
QString iconUrl = "http://"+siteUrl.host()+"/favicon.ico";
connect(downloader, SIGNAL(downloadFinished(const QString&, const QString&, int, const QString&)), this, SLOT(displayIcon(const QString&, const QString&, int, const QString&)));
downloader->downloadUrl(iconUrl);
}
private:
// read and create items from a rss document
short readDoc(const QDomDocument& doc) {
@ -342,11 +380,11 @@ class RssManager : public QObject{
QStringList streamListUrl;
signals:
void streamNeedRefresh(const unsigned short&);
void streamNeedRefresh(const unsigned short&, const unsigned short&);
public slots :
void streamNeedRefresh(const QString& _url) {
emit(streamNeedRefresh(hasStream(_url)));
void streamNeedRefresh(const QString& _url, const unsigned short& type) {
emit(streamNeedRefresh(hasStream(_url), type));
}
public :
@ -380,7 +418,7 @@ class RssManager : public QObject{
RssStream *stream = new RssStream(streamListUrl.at(i));
stream->setAlias(streamListAlias.at(i));
streamList.append(stream);
connect(stream, SIGNAL(refreshFinished(const QString&)), this, SLOT(streamNeedRefresh(const QString&)));
connect(stream, SIGNAL(refreshFinished(const QString&, const unsigned short&)), this, SLOT(streamNeedRefresh(const QString&, const unsigned short&)));
}
}
@ -404,7 +442,7 @@ class RssManager : public QObject{
if(hasStream(stream) < 0){
streamList.append(stream);
streamListUrl.append(stream->getUrl());
connect(stream, SIGNAL(refreshFinished(const QString&)), this, SLOT(streamNeedRefresh(const QString&)));
connect(stream, SIGNAL(refreshFinished(const QString&, const unsigned short&)), this, SLOT(streamNeedRefresh(const QString&, const unsigned short&)));
}else{
qDebug("Not adding the Rss stream because it is already in the list");
}
@ -426,7 +464,7 @@ class RssManager : public QObject{
RssStream* stream = new RssStream(url);
streamList.append(stream);
streamListUrl.append(url);
connect(stream, SIGNAL(refreshFinished(const QString&)), this, SLOT(streamNeedRefresh(const QString&)));
connect(stream, SIGNAL(refreshFinished(const QString&, const unsigned short&)), this, SLOT(streamNeedRefresh(const QString&, const unsigned short&)));
}else {
qDebug("Not adding the Rss stream because it is already in the list");
}
@ -458,7 +496,7 @@ class RssManager : public QObject{
unsigned int streamListUrlSize = streamListUrl.size();
for(unsigned int i=0; i<streamListUrlSize; ++i){
getStream(i)->refresh();
connect(getStream(i), SIGNAL(refreshFinished(const QString&)), this, SLOT(streamNeedRefresh(const QString&)));
connect(getStream(i), SIGNAL(refreshFinished(const QString&, const unsigned short&)), this, SLOT(streamNeedRefresh(const QString&, const unsigned short&)));
}
}
@ -466,7 +504,7 @@ class RssManager : public QObject{
if(index>=0 && index<getNbStream()) {
if(getStream(index)->getLastRefreshElapsed()>REFRESH_FREQ_MAX) {
getStream(index)->refresh();
connect(getStream(index), SIGNAL(refreshFinished(const QString&)), this, SLOT(streamNeedRefresh(const QString&)));
connect(getStream(index), SIGNAL(refreshFinished(const QString&, const unsigned short&)), this, SLOT(streamNeedRefresh(const QString&, const unsigned short&)));
}
}
}