diff --git a/src/rss/htmlbrowser.cpp b/src/rss/htmlbrowser.cpp
new file mode 100644
index 000000000..8ed92fa67
--- /dev/null
+++ b/src/rss/htmlbrowser.cpp
@@ -0,0 +1,92 @@
+#include "htmlbrowser.h"
+
+#include
+#include
+#include
+#include
+#include
+#include
+#include
+#include
+#include
+
+#include "fs_utils.h"
+
+HtmlBrowser::HtmlBrowser(QWidget* parent)
+ : QTextBrowser(parent)
+{
+ m_netManager = new QNetworkAccessManager(this);
+ m_diskCache = new QNetworkDiskCache(this);
+ m_diskCache->setCacheDirectory(QDir::cleanPath(fsutils::cacheLocation() + "/browser"));
+ m_diskCache->setMaximumCacheSize(50 * 1024 * 1024);
+ qDebug() << "HtmlBrowser cache path:" << m_diskCache->cacheDirectory() << " max size:" << m_diskCache->maximumCacheSize() / 1024 / 1024 << "MB";
+ m_netManager->setCache(m_diskCache);
+
+ connect(m_netManager, SIGNAL(finished(QNetworkReply *)), this, SLOT(resourceLoaded(QNetworkReply*)));
+}
+
+HtmlBrowser::~HtmlBrowser()
+{
+}
+
+QVariant HtmlBrowser::loadResource(int type, const QUrl &name)
+{
+ if(type == QTextDocument::ImageResource) {
+ QUrl url(name);
+ if(url.scheme().isEmpty())
+ url.setScheme("http");
+
+ QIODevice *dev = m_diskCache->data(url);
+ if(dev != 0) {
+ qDebug() << "HtmlBrowser::loadResource() cache " << url.toString();
+ QByteArray res = dev->readAll();
+ delete dev;
+ return res;
+ }
+
+ if(!m_activeRequests.contains(url)) {
+ m_activeRequests.insert(url, true);
+ qDebug() << "HtmlBrowser::loadResource() get " << url.toString();
+ QNetworkRequest req(url);
+ req.setAttribute(QNetworkRequest::CacheLoadControlAttribute, QNetworkRequest::PreferCache);
+ m_netManager->get(req);
+ }
+
+ return QVariant();
+ }
+
+ return QTextBrowser::loadResource(type, name);
+}
+
+void HtmlBrowser::resourceLoaded(QNetworkReply *reply)
+{
+ m_activeRequests.remove(reply->request().url());
+
+ if(reply->error() == QNetworkReply::NoError && reply->size() > 0) {
+ qDebug() << "HtmlBrowser::resourceLoaded() save " << reply->request().url().toString();
+ } else {
+ // If resource failed to load, replace it with warning icon and store it in cache for 1 day.
+ // Otherwise HTMLBrowser will keep trying to download it every time article is displayed,
+ // since it's not possible to cache error responses.
+ QNetworkCacheMetaData metaData;
+ QNetworkCacheMetaData::AttributesMap atts;
+ metaData.setUrl(reply->request().url());
+ metaData.setSaveToDisk(true);
+ atts[QNetworkRequest::HttpStatusCodeAttribute] = 200;
+ atts[QNetworkRequest::HttpReasonPhraseAttribute] = "Ok";
+ metaData.setAttributes(atts);
+ metaData.setLastModified(QDateTime::currentDateTime());
+ metaData.setExpirationDate(QDateTime::currentDateTime().addDays(1));
+ QIODevice *dev = m_diskCache->prepare(metaData);
+ if(!dev)
+ return;
+ QApplication::style()->standardIcon(QStyle::SP_MessageBoxWarning).pixmap(32, 32).save(dev, "PNG");
+ m_diskCache->insert(dev);
+ }
+ // Refresh the document display and keep scrollbars where they are
+ int sx = horizontalScrollBar()->value();
+ int sy = verticalScrollBar()->value();
+ document()->setHtml(document()->toHtml());
+ horizontalScrollBar()->setValue(sx);
+ verticalScrollBar()->setValue(sy);
+}
diff --git a/src/rss/htmlbrowser.h b/src/rss/htmlbrowser.h
new file mode 100644
index 000000000..7a8ffcea9
--- /dev/null
+++ b/src/rss/htmlbrowser.h
@@ -0,0 +1,30 @@
+#ifndef HTMLBROWSER_H
+#define HTMLBROWSER_H
+
+#include
+#include
+
+class QNetworkAccessManager;
+class QNetworkDiskCache;
+class QNetworkReply;
+
+class HtmlBrowser : public QTextBrowser
+{
+ Q_OBJECT
+
+public:
+ explicit HtmlBrowser(QWidget* parent = 0);
+ ~HtmlBrowser();
+
+ virtual QVariant loadResource(int type, const QUrl &name);
+
+protected:
+ QNetworkAccessManager *m_netManager;
+ QNetworkDiskCache *m_diskCache;
+ QHash m_activeRequests;
+
+protected slots:
+ void resourceLoaded(QNetworkReply *reply);
+};
+
+#endif // HTMLBROWSER_H
diff --git a/src/rss/rss.pri b/src/rss/rss.pri
index d820d17cd..e4d91389b 100644
--- a/src/rss/rss.pri
+++ b/src/rss/rss.pri
@@ -12,7 +12,8 @@ HEADERS += $$PWD/rss_imp.h \
$$PWD/rssdownloadrule.h \
$$PWD/rssdownloadrulelist.h \
$$PWD/cookiesdlg.h \
- $$PWD/rssparser.h
+ $$PWD/rssparser.h \
+ $$PWD/htmlbrowser.h
SOURCES += $$PWD/rss_imp.cpp \
$$PWD/rsssettingsdlg.cpp \
@@ -26,7 +27,8 @@ SOURCES += $$PWD/rss_imp.cpp \
$$PWD/rssdownloadrulelist.cpp \
$$PWD/cookiesdlg.cpp \
$$PWD/rssfile.cpp \
- $$PWD/rssparser.cpp
+ $$PWD/rssparser.cpp \
+ $$PWD/htmlbrowser.cpp
FORMS += $$PWD/rss.ui \
$$PWD/rsssettingsdlg.ui \
diff --git a/src/rss/rss.ui b/src/rss/rss.ui
index 63bcd9c93..7d0d348bb 100644
--- a/src/rss/rss.ui
+++ b/src/rss/rss.ui
@@ -145,7 +145,11 @@ p, li { white-space: pre-wrap; }
QAbstractItemView::SelectItems
-
+
+
+ true
+
+
@@ -224,6 +228,13 @@ p, li { white-space: pre-wrap; }
+
+
+ HtmlBrowser
+ QTextBrowser
+
+
+