RSS: Added support for adding feeds into external applications

- including some web applications (Google Reader, My AOL, Yahoo! ...)
- Liferea and Akregator are support from desktop readers
   * akregator needs testing (i don't use kde)

closes #364

src/lib/3rdparty/processinfo.cpp

@@ -0,0 +1,113 @@
+/* ============================================================
+* QupZilla - WebKit based browser
+* Copyright (C) 2010-2012  David Rosca <nowrep@gmail.com>
+*
+* This program is free software: you can redistribute it and/or modify
+* it under the terms of the GNU General Public License as published by
+* the Free Software Foundation, either version 3 of the License, or
+* (at your option) any later version.
+*
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+* GNU General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License
+* along with this program.  If not, see <http://www.gnu.org/licenses/>.
+* ============================================================ */
+#include "processinfo.h"
+
+#ifdef Q_WS_X11
+#include <unistd.h>
+#include <dirent.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+
+#include <iostream>
+#include <cstdio>
+#include <cstdlib>
+#include <cstring>
+#include <cstdarg>
+#endif
+
+ProcessInfo::ProcessInfo(const QString &name)
+    : m_name(name)
+{
+}
+
+bool ProcessInfo::isRunning() const
+{
+#ifdef Q_WS_X11
+    pid_t pid = GetPIDbyName(qPrintable(m_name));
+    // -1 = process not found
+    // -2 = /proc fs access error
+    return (pid != -1 && pid != -2);
+#else
+    return false;
+#endif
+}
+
+#ifdef Q_WS_X11
+bool ProcessInfo::IsNumeric(const char* ccharptr_CharacterList) const
+{
+    for (; *ccharptr_CharacterList; ccharptr_CharacterList++) {
+        if (*ccharptr_CharacterList < '0' || *ccharptr_CharacterList > '9') {
+            return false;
+        }
+    }
+
+    return true;
+}
+
+pid_t ProcessInfo::GetPIDbyName(const char* cchrptr_ProcessName) const
+{
+    char chrarry_CommandLinePath[100]  ;
+    char chrarry_NameOfProcess[300]  ;
+    char* chrptr_StringToCompare = NULL ;
+    pid_t pid_ProcessIdentifier = (pid_t) - 1 ;
+    struct dirent* de_DirEntity = NULL ;
+    DIR* dir_proc = NULL ;
+
+    dir_proc = opendir("/proc/") ;
+    if (dir_proc == NULL) {
+        perror("Couldn't open the /proc/ directory") ;
+        return (pid_t) - 2 ;
+    }
+
+    // Loop while not NULL
+    while ((de_DirEntity = readdir(dir_proc))) {
+        if (de_DirEntity->d_type == DT_DIR) {
+            if (IsNumeric(de_DirEntity->d_name)) {
+                strcpy(chrarry_CommandLinePath, "/proc/") ;
+                strcat(chrarry_CommandLinePath, de_DirEntity->d_name) ;
+                strcat(chrarry_CommandLinePath, "/cmdline") ;
+                FILE* fd_CmdLineFile = fopen(chrarry_CommandLinePath, "rt") ;   // open the file for reading text
+                if (fd_CmdLineFile) {
+                    fscanf(fd_CmdLineFile, "%20s", chrarry_NameOfProcess) ; // read from /proc/<NR>/cmdline
+                    fclose(fd_CmdLineFile);  // close the file prior to exiting the routine
+
+                    if (strrchr(chrarry_NameOfProcess, '/')) {
+                        chrptr_StringToCompare = strrchr(chrarry_NameOfProcess, '/') + 1 ;
+                    }
+                    else {
+                        chrptr_StringToCompare = chrarry_NameOfProcess ;
+                    }
+
+                    //printf("Process name: %s\n", chrarry_NameOfProcess);
+                    //printf("Pure Process name: %s\n", chrptr_StringToCompare );
+
+                    if (!strcmp(chrptr_StringToCompare, cchrptr_ProcessName)) {
+                        pid_ProcessIdentifier = (pid_t) atoi(de_DirEntity->d_name) ;
+                        closedir(dir_proc) ;
+                        return pid_ProcessIdentifier ;
+                    }
+                }
+            }
+        }
+    }
+
+    closedir(dir_proc) ;
+    return pid_ProcessIdentifier ;
+}
+
+#endif

src/lib/3rdparty/processinfo.h

@@ -0,0 +1,47 @@
+/* ============================================================
+* QupZilla - WebKit based browser
+* Copyright (C) 2010-2012  David Rosca <nowrep@gmail.com>
+*
+* This program is free software: you can redistribute it and/or modify
+* it under the terms of the GNU General Public License as published by
+* the Free Software Foundation, either version 3 of the License, or
+* (at your option) any later version.
+*
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+* GNU General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License
+* along with this program.  If not, see <http://www.gnu.org/licenses/>.
+* ============================================================ */
+#ifndef PROCESSINFO_H
+#define PROCESSINFO_H
+
+#include <QString>
+
+#include "qz_namespace.h"
+
+/*
+ * Code used from http://ubuntuforums.org/showpost.php?p=6593782&postcount=5
+ * written by user WitchCraft
+ */
+
+class QT_QUPZILLA_EXPORT ProcessInfo
+{
+public:
+    explicit ProcessInfo(const QString &name);
+
+    bool isRunning() const;
+
+private:
+#ifdef Q_WS_X11
+    bool IsNumeric(const char* ccharptr_CharacterList) const;
+
+    pid_t GetPIDbyName(const char* cchrptr_ProcessName) const;
+#endif
+
+    QString m_name;
+};
+
+#endif // PROCESSINFO_H

src/lib/adblock/adblockschemehandler.cpp

@@ -55,7 +55,7 @@ QNetworkReply* AdBlockSchemeHandler::createRequest(QNetworkAccessManager::Operat
         return 0;
     }
 
-    QString message = AdBlockManager::tr("Do you want to add <b>%1</b> subscription?").arg(subscriptionTitle);
+    const QString &message = AdBlockManager::tr("Do you want to add <b>%1</b> subscription?").arg(subscriptionTitle);
 
     QMessageBox::StandardButton result = QMessageBox::question(0, AdBlockManager::tr("AdBlock Subscription"), message, QMessageBox::Yes | QMessageBox::No);
     if (result == QMessageBox::Yes) {

src/lib/data/icons.qrc

@@ -17,13 +17,11 @@
         <file>qupzilla.png</file>
         <file>icons/locationbar/privatebrowsing.png</file>
         <file>icons/locationbar/unknownpage.png</file>
-        <file>icons/menu/google.png</file>
         <file>icons/menu/history.png</file>
         <file>icons/menu/history_entry.png</file>
         <file>icons/menu/popup.png</file>
         <file>icons/menu/qt.png</file>
         <file>icons/menu/rss.png</file>
-        <file>icons/menu/youtube.png</file>
         <file>icons/other/about.png</file>
         <file>icons/other/feed.png</file>
         <file>icons/other/progress.gif</file>
@@ -45,7 +43,6 @@
         <file>icons/other/adblock-disabled.png</file>
         <file>icons/menu/search-icon.png</file>
         <file>icons/menu/gear.png</file>
-        <file>icons/menu/wikipedia.png</file>
         <file>icons/browsers/firefox.png</file>
         <file>icons/browsers/chrome.png</file>
         <file>icons/browsers/opera.png</file>
@@ -58,9 +55,18 @@
         <file>icons/preferences/mail-inbox.png</file>
         <file>icons/preferences/preferences-system-firewall.png</file>
         <file>icons/browsers/html.png</file>
-        <file>icons/menu/translate.png</file>
-        <file>icons/menu/duck.png</file>
         <file>icons/exeicons/qupzilla-window.png</file>
         <file>icons/preferences/text-x-sql.png</file>
+        <file>icons/sites/akregator.png</file>
+        <file>icons/sites/aol.png</file>
+        <file>icons/sites/bloglines.png</file>
+        <file>icons/sites/duck.png</file>
+        <file>icons/sites/google.png</file>
+        <file>icons/sites/liferea.png</file>
+        <file>icons/sites/netvibes.png</file>
+        <file>icons/sites/translate.png</file>
+        <file>icons/sites/wikipedia.png</file>
+        <file>icons/sites/yahoo.png</file>
+        <file>icons/sites/youtube.png</file>
     </qresource>
 </RCC>

src/lib/lib.pro

@@ -180,7 +180,8 @@ SOURCES += \
     adblock/adblocktreewidget.cpp \
     adblock/adblockaddsubscriptiondialog.cpp \
     adblock/adblockschemehandler.cpp \
-    tools/emptynetworkreply.cpp
+    tools/emptynetworkreply.cpp \
+    3rdparty/processinfo.cpp
 
 HEADERS  += \
     webview/tabpreview.h \
@@ -333,7 +334,8 @@ HEADERS  += \
     adblock/adblocktreewidget.h \
     adblock/adblockaddsubscriptiondialog.h \
     adblock/adblockschemehandler.h \
-    tools/emptynetworkreply.h
+    tools/emptynetworkreply.h \
+    3rdparty/processinfo.h
 
 FORMS    += \
     preferences/autofillmanager.ui \

src/lib/opensearch/searchenginesmanager.cpp

@@ -119,28 +119,28 @@ void SearchEnginesManager::restoreDefaults()
 {
     Engine google;
     google.name = "Google";
-    google.icon = QIcon(":icons/menu/google.png");
+    google.icon = QIcon(":icons/sites/google.png");
     google.url = "http://www.google.com/search?client=qupzilla&q=%s";
     google.shortcut = "g";
     google.suggestionsUrl = "http://suggestqueries.google.com/complete/search?output=firefox&q=%s";
 
     Engine wiki;
     wiki.name = "Wikipedia (en)";
-    wiki.icon = QIcon(":/icons/menu/wikipedia.png");
+    wiki.icon = QIcon(":/icons/sites/wikipedia.png");
     wiki.url = "http://en.wikipedia.org/wiki/Special:Search?search=%s&fulltext=Search";
     wiki.shortcut = "w";
     wiki.suggestionsUrl = "http://en.wikipedia.org/w/api.php?action=opensearch&search=%s&namespace=0";
 
     Engine yt;
     yt.name = "YouTube";
-    yt.icon = QIcon(":/icons/menu/youtube.png");
+    yt.icon = QIcon(":/icons/sites/youtube.png");
     yt.url = "http://www.youtube.com/results?search_query=%s&search=Search";
     yt.shortcut = "yt";
     yt.suggestionsUrl = "http://suggestqueries.google.com/complete/search?ds=yt&output=firefox&q=%s";
 
     Engine duck;
     duck.name = "DuckDuckGo";
-    duck.icon = QIcon(":/icons/menu/duck.png");
+    duck.icon = QIcon(":/icons/sites/duck.png");
     duck.url = "https://duckduckgo.com/?q=%s&t=qupzilla";
     duck.shortcut = "d";
 

src/lib/rss/rssnotification.cpp

@@ -18,24 +18,146 @@
 #include "rssnotification.h"
 #include "ui_rssnotification.h"
 #include "mainapplication.h"
-#include "qupzilla.h"
+#include "browsinglibrary.h"
 #include "iconprovider.h"
+#include "processinfo.h"
+#include "rssmanager.h"
+#include "settings.h"
+#include "webview.h"
 
-RSSNotification::RSSNotification(QString host, QWidget* parent)
+#include <QMessageBox>
+#include <QClipboard>
+#include <QProcess>
+#include <QFile>
+
+bool startExternalProcess(const QString &program, const QStringList &arguments)
+{
+    if (!QProcess::startDetached(program, arguments)) {
+        QString info = "<ul><li><b>" + RSSNotification::tr("Executable: ") + "</b>" + program + "</li><li><b>" + RSSNotification::tr("Arguments: ") + "</b>" + arguments.join(" ") + "</li></ul>";
+        QMessageBox::critical(0, RSSNotification::tr("Cannot start external program"), RSSNotification::tr("Cannot start external program! %1").arg(info));
+
+        return false;
+    }
+
+    return true;
+}
+
+RSSNotification::RSSNotification(const QString &title, const QUrl &url, WebView* parent)
     : AnimatedWidget(AnimatedWidget::Down, 300, parent)
     , ui(new Ui::RSSNotification)
+    , m_title(title)
+    , m_url(url)
+    , m_view(parent)
 {
     setAttribute(Qt::WA_DeleteOnClose);
+
     ui->setupUi(widget());
     ui->closeButton->setIcon(qIconProvider->standardIcon(QStyle::SP_DialogCloseButton));
-    ui->label->setText(QupZilla::tr("You have successfully added RSS feed \"%1\".").arg(host));
+    ui->label->setText(tr("RSS feed <b>\"%1\"</b>").arg(title));
 
-    connect(ui->pushButton, SIGNAL(clicked()), mApp->getWindow(), SLOT(showRSSManager()));
-    connect(ui->pushButton, SIGNAL(clicked()), this, SLOT(hide()));
+    m_rssApps << RssApp("Bloglines", "http://www.bloglines.com/sub?url=", QIcon(":/icons/sites/bloglines.png"))
+              << RssApp("Google Reader", "http://www.google.com/ig/add?feedurl=", QIcon(":/icons/sites/google.png"))
+              << RssApp("My AOL", "http://feeds.my.aol.com/add.jsp?url=", QIcon(":/icons/sites/aol.png"))
+              << RssApp("Netvibes", "http://www.netvibes.com/subscribe.php?url=", QIcon(":/icons/sites/netvibes.png"))
+              << RssApp("Yahoo!", "http://add.my.yahoo.com/rss?url=", QIcon(":/icons/sites/yahoo.png"));
+
+#ifdef Q_WS_X11
+    if (QFile("/usr/bin/akregator").exists()) {
+        m_rssApps << RssApp("Akregator", "/usr/bin/akregator -a ", QIcon(":/icons/sites/akregator.png"), DesktopApplication);
+    }
+
+    if (QFile("/usr/bin/liferea").exists() && QFile("/usr/bin/liferea-add-feed").exists()) {
+        m_rssApps << RssApp("Liferea", "/usr/bin/liferea-add-feed ", QIcon(":/icons/sites/liferea.png"), DesktopApplication);
+    }
+#endif
+
+    foreach(const RssApp & app, m_rssApps) {
+        ui->comboBox->addItem(app.icon, app.title, QVariant(app.type));
+    }
+
+    ui->comboBox->addItem(QIcon(":/icons/qupzilla.png"), tr("Internal Reader"), QVariant(Internal));
+    ui->comboBox->addItem(tr("Other..."), QVariant(Other));
+
+    Settings settings;
+    settings.beginGroup("RSS");
+    ui->comboBox->setCurrentIndex(settings.value("LastAddOptionIndex", ui->comboBox->count() - 2).toInt());
+    settings.endGroup();
+
+    connect(ui->add, SIGNAL(clicked()), this, SLOT(addRss()));
     connect(ui->closeButton, SIGNAL(clicked()), this, SLOT(hide()));
+
     startAnimation();
 }
 
+void RSSNotification::hide()
+{
+    m_view->setFocus();
+    AnimatedWidget::hide();
+}
+
+void RSSNotification::addRss()
+{
+    bool success = false;
+    int index = ui->comboBox->currentIndex();
+
+    switch (ui->comboBox->itemData(index).toInt()) {
+    case WebApplication: {
+        const RssApp &app = m_rssApps.at(index);
+        const QUrl &url = QUrl::fromEncoded(QString(app.address + QUrl::toPercentEncoding(m_url.toString())).toAscii());
+
+        m_view->openUrlInNewTab(url, Qz::NT_SelectedTab);
+        success = true;
+        break;
+    }
+
+    case DesktopApplication: {
+        const RssApp &app = m_rssApps.at(index);
+        if (app.title == "Akregator") {
+            success = startExternalProcess("/usr/bin/akregator", QStringList() << "-a" << m_url.toEncoded());
+        }
+        else if (app.title == "Liferea") {
+            if (!ProcessInfo("liferea").isRunning()) {
+                QMessageBox::warning(this, tr("Liferea not running"), tr("Liferea must be running in order to add new feed."));
+                success = false;
+            }
+            else {
+                success = startExternalProcess("/usr/bin/liferea-add-feed", QStringList(m_url.toEncoded()));
+            }
+        }
+        break;
+    }
+
+    case Other: {
+        QApplication::clipboard()->setText(m_url.toEncoded());
+        const QString &message = tr("To add this RSS feed into other application, please use this information:<br/><br/>"
+                                    "<b>Title: </b>%1<br/><b>Url: </b>%2<br/><br/>"
+                                    "Url address of this feed has been copied into your clipboard.").arg(m_title, m_url.toString());
+        QMessageBox::information(0, tr("Add feed into other application"), message);
+        success = true;
+        break;
+    }
+
+    case Internal:
+        success = mApp->rssManager()->addRssFeed(m_url, m_title, m_view->icon());
+        if (success) {
+            mApp->browsingLibrary()->showRSS(mApp->mainWindows().at(0));
+        }
+        break;
+
+    default:
+        break;
+    }
+
+    if (success) {
+        Settings settings;
+        settings.beginGroup("RSS");
+        settings.setValue("LastAddOptionIndex", index);
+        settings.endGroup();
+
+        hide();
+    }
+}
+
 RSSNotification::~RSSNotification()
 {
     delete ui;

src/lib/rss/rssnotification.h

@@ -18,23 +18,55 @@
 #ifndef RSSNOTIFICATION_H
 #define RSSNOTIFICATION_H
 
+#include <QUrl>
+#include <QIcon>
+
 #include "qz_namespace.h"
 #include "animatedwidget.h"
 
+class WebView;
+
 namespace Ui
 {
 class RSSNotification;
 }
 
-class AnimatedWidget;
 class QT_QUPZILLA_EXPORT RSSNotification : public AnimatedWidget
 {
+    Q_OBJECT
 public:
-    explicit RSSNotification(QString host, QWidget* parent = 0);
+    explicit RSSNotification(const QString &title, const QUrl &url, WebView* parent = 0);
     ~RSSNotification();
 
+public slots:
+    void hide();
+
+private slots:
+    void addRss();
+
 private:
+    enum AppType { WebApplication, DesktopApplication, Internal, Other };
+    struct RssApp {
+        QString title;
+        QString address;
+        QIcon icon;
+        AppType type;
+
+        RssApp(const QString &t, const QString &a, const QIcon &i, AppType ty = WebApplication) {
+            title = t;
+            address = a;
+            icon = i;
+            type = ty;
+        }
+    };
+
     Ui::RSSNotification* ui;
+
+    QString m_title;
+    QUrl m_url;
+    WebView* m_view;
+
+    QList<RssApp> m_rssApps;
 };
 
 #endif // RSSNOTIFICATION_H

src/lib/rss/rssnotification.ui

@@ -38,6 +38,13 @@
    </item>
    <item>
     <widget class="QLabel" name="label">
+     <property name="text">
+      <string/>
+     </property>
+    </widget>
+   </item>
+   <item>
+    <widget class="QLabel" name="label_2">
      <property name="sizePolicy">
       <sizepolicy hsizetype="Expanding" vsizetype="Preferred">
        <horstretch>0</horstretch>
@@ -45,14 +52,36 @@
       </sizepolicy>
      </property>
      <property name="text">
-      <string/>
+      <string>Add this feed into</string>
+     </property>
+     <property name="alignment">
+      <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
      </property>
     </widget>
    </item>
    <item>
-    <widget class="QPushButton" name="pushButton">
+    <widget class="QComboBox" name="comboBox"/>
+   </item>
+   <item>
+    <spacer name="horizontalSpacer">
+     <property name="orientation">
+      <enum>Qt::Horizontal</enum>
+     </property>
+     <property name="sizeType">
+      <enum>QSizePolicy::Fixed</enum>
+     </property>
+     <property name="sizeHint" stdset="0">
+      <size>
+       <width>10</width>
+       <height>20</height>
+      </size>
+     </property>
+    </spacer>
+   </item>
+   <item>
+    <widget class="QPushButton" name="add">
      <property name="text">
-      <string>Open RSS Manager</string>
+      <string>Add</string>
      </property>
     </widget>
    </item>

src/lib/rss/rsswidget.cpp

@@ -112,13 +112,11 @@ void RSSWidget::addRss()
             title = button->toolTip();
         }
 
-        if (mApp->rssManager()->addRssFeed(url, title, m_view->icon())) {
-            RSSNotification* notif = new RSSNotification(title, m_view);
+        RSSNotification* notif = new RSSNotification(title, url, m_view);
         m_view->addNotification(notif);
         close();
     }
 }
-}
 
 RSSWidget::~RSSWidget()
 {

src/lib/webview/webview.cpp

@@ -837,7 +837,7 @@ void WebView::createSelectedTextContextMenu(QMenu* menu, const QWebHitTestResult
 
     QString langCode = mApp->currentLanguage().left(2);
     QUrl googleTranslateUrl = QUrl(QString("http://translate.google.com/#auto|%1|%2").arg(langCode, selectedText));
-    Action* gtwact = new Action(QIcon(":icons/menu/translate.png"), tr("Google Translate"));
+    Action* gtwact = new Action(QIcon(":icons/sites/translate.png"), tr("Google Translate"));
     gtwact->setData(googleTranslateUrl);
     connect(gtwact, SIGNAL(triggered()), this, SLOT(openUrlInSelectedTab()));
     connect(gtwact, SIGNAL(middleClicked()), this, SLOT(openUrlInBackgroundTab()));