From 908a1dbfb08c30ae2a92ce7f6e36a9e88e8b5d09 Mon Sep 17 00:00:00 2001
From: Andrea Diamantini <adjam7@gmail.com>
Date: Mon, 13 Feb 2012 22:48:51 +0100
Subject: Let rekonq block sparse images (this idea has been copied from Arora)

---
 src/adblock/adblockmanager.cpp | 29 +++++++++++++++++++++++++++++
 src/adblock/adblockmanager.h   |  4 ++++
 src/webview.cpp                | 19 +++++++++++++++++++
 src/webview.h                  |  3 +++
 4 files changed, 55 insertions(+)

diff --git a/src/adblock/adblockmanager.cpp b/src/adblock/adblockmanager.cpp
index b435d437..27fb4020 100644
--- a/src/adblock/adblockmanager.cpp
+++ b/src/adblock/adblockmanager.cpp
@@ -62,6 +62,12 @@ AdBlockManager::~AdBlockManager()
 }
 
 
+bool AdBlockManager::isEnabled()
+{
+    return _isAdblockEnabled;
+}
+
+
 void AdBlockManager::loadSettings()
 {
     // first, check this...
@@ -347,3 +353,26 @@ void AdBlockManager::showSettings()
 
     dialog->deleteLater();
 }
+
+
+void AdBlockManager::addCustomRule(const QString &stringRule)
+{
+    // save rule in local filters
+    QString localRulesFilePath = KStandardDirs::locateLocal("appdata" , QL1S("adblockrules_local"));
+
+    QFile ruleFile(localRulesFilePath);
+    if (!ruleFile.open(QFile::WriteOnly | QFile::Text))
+    {
+        kDebug() << "Unable to open rule file" << localRulesFilePath;
+        return;
+    }
+
+    QTextStream out(&ruleFile);
+    out << stringRule << '\n';
+
+    // load it
+    AdBlockRule rule(stringRule);
+    _blackList << rule;
+
+    // TODO: update page?
+}
diff --git a/src/adblock/adblockmanager.h b/src/adblock/adblockmanager.h
index f853a8ed..2e7f7836 100644
--- a/src/adblock/adblockmanager.h
+++ b/src/adblock/adblockmanager.h
@@ -154,9 +154,13 @@ public:
     AdBlockManager(QObject *parent = 0);
     ~AdBlockManager();
 
+    bool isEnabled();
+
     QNetworkReply *block(const QNetworkRequest &request, WebPage *page);
     void applyHidingRules(WebPage *page);
 
+    void addCustomRule(const QString &);
+
 public Q_SLOTS:
     void loadSettings();
     void showSettings();
diff --git a/src/webview.cpp b/src/webview.cpp
index 80f021fc..3d4d7dcf 100644
--- a/src/webview.cpp
+++ b/src/webview.cpp
@@ -34,6 +34,7 @@
 
 // Local Includes
 #include "application.h"
+#include "adblockmanager.h"
 #include "bookmarkmanager.h"
 #include "iconmanager.h"
 #include "mainview.h"
@@ -285,6 +286,14 @@ void WebView::contextMenuEvent(QContextMenuEvent *event)
         a->setData(result.imageUrl());
         connect(a, SIGNAL(triggered(Qt::MouseButtons,Qt::KeyboardModifiers)), this, SLOT(slotCopyImageLocation()));
         menu.addAction(a);
+
+        if (rApp->adblockManager()->isEnabled())
+        {
+            a = new KAction(KIcon("preferences-web-browser-adblock"), i18n("Block image"), this);
+            a->setData(result.imageUrl());
+            connect(a, SIGNAL(triggered(Qt::MouseButtons, Qt::KeyboardModifiers)), this, SLOT(blockImage()));
+            menu.addAction(a);
+        }
     }
 
     // ACTIONS FOR TEXT SELECTION -----------------------------------------------------
@@ -1213,3 +1222,13 @@ void WebView::sendByMail()
     KToolInvocation::invokeMailer("", "", "", "", url);
 }
 
+
+void WebView::blockImage()
+{
+    QAction *action = qobject_cast<QAction*>(sender());
+    if (!action)
+        return;
+
+    QString imageUrl = action->data().toString();
+    rApp->adblockManager()->addCustomRule(imageUrl);
+}
diff --git a/src/webview.h b/src/webview.h
index 18977798..3ae9b7e9 100644
--- a/src/webview.h
+++ b/src/webview.h
@@ -108,6 +108,9 @@ private Q_SLOTS:
 
     void loadStarted();
 
+    void blockImage();
+
+
 Q_SIGNALS:
     void loadUrl(const KUrl &, const Rekonq::OpenType &);
     void zoomChanged(int);
-- 
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