From 90eab081fa7f46961cd1597a7cb98c1dc32bd0b8 Mon Sep 17 00:00:00 2001
From: Andrea Diamantini <adjam7@gmail.com>
Date: Sun, 24 Feb 2013 18:25:01 +0100
Subject: AdBlock Improvement

Hiding rules support (at least the easy ones, the most ones, against
hiding id && classes)
:D

To test it, take a look (in example) at the url:
http://simple-adblock.com/faq/testing-your-adblocker/
---
 src/adblock/adblockmanager.cpp | 53 +++++++++++++++++++++++++++++++++++++++++-
 src/adblock/adblockmanager.h   |  6 ++++-
 2 files changed, 57 insertions(+), 2 deletions(-)

(limited to 'src/adblock')

diff --git a/src/adblock/adblockmanager.cpp b/src/adblock/adblockmanager.cpp
index 62f8930e..51000a3b 100644
--- a/src/adblock/adblockmanager.cpp
+++ b/src/adblock/adblockmanager.cpp
@@ -34,6 +34,8 @@
 // Local Includes
 #include "adblocksettingwidget.h"
 
+#include "webpage.h"
+
 // KDE Includes
 #include <KIO/FileCopyJob>
 #include <KStandardDirs>
@@ -115,6 +117,7 @@ void AdBlockManager::loadSettings()
 
     _whiteList.clear();
     _blackList.clear();
+
     _hideList.clear();
 
     KConfigGroup settingsGroup(_adblockConfig, "Settings");
@@ -224,7 +227,7 @@ void AdBlockManager::loadRuleString(const QString &stringRule)
         const QString filter = stringRule.mid(2);
         if (filter.isEmpty())
             return;
-
+        
         _hideList << filter;
         return;
     }
@@ -389,3 +392,51 @@ bool AdBlockManager::isAdblockEnabledForHost(const QString &host)
 {
     return ! _hostWhiteList.match(host);
 }
+
+
+void AdBlockManager::applyHidingRules(QWebFrame *frame)
+{
+    if (!frame)
+        return;
+
+    if (!_isAdblockEnabled)
+        return;
+
+    connect(frame, SIGNAL(loadFinished(bool)), this, SLOT(applyHidingRules(bool)));
+}
+
+
+void AdBlockManager::applyHidingRules(bool ok)
+{
+    if (!ok)
+        return;
+    
+    QWebFrame *frame = qobject_cast<QWebFrame *>(sender());
+    if (!frame)
+        return;
+
+    WebPage *page = qobject_cast<WebPage *>(frame->page());
+    if (!page)
+        return;
+    
+    QString mainPageHost = page->loadingUrl().host();
+    QStringList hosts = ReKonfig::whiteReferer();
+    if (hosts.contains(mainPageHost))
+        return;
+    
+    QWebElement document = frame->documentElement();
+
+    // HIDE RULES
+    Q_FOREACH(const QString & filter, _hideList)
+    {
+        QWebElementCollection elements = document.findAll(filter);
+
+        Q_FOREACH(QWebElement el, elements)
+        {
+            if (el.isNull())
+                continue;
+            kDebug() << "Hide element: " << el.localName();
+            el.removeFromDocument();
+        }
+    }
+}
diff --git a/src/adblock/adblockmanager.h b/src/adblock/adblockmanager.h
index 7f044f3e..3d329ad8 100644
--- a/src/adblock/adblockmanager.h
+++ b/src/adblock/adblockmanager.h
@@ -139,7 +139,7 @@
 
 // Forward Includes
 class QNetworkRequest;
-class WebPage;
+class QWebFrame;
 
 // Definitions
 typedef QList<AdBlockRule> AdBlockRuleList;
@@ -186,6 +186,9 @@ private Q_SLOTS:
 
     void slotFinished(KJob *);
 
+    void applyHidingRules(QWebFrame *);
+    void applyHidingRules(bool);
+    
 Q_SIGNALS:
     void reloadCurrentPage();
 
@@ -197,6 +200,7 @@ private:
     AdBlockHostMatcher _hostWhiteList;
     AdBlockRuleList _blackList;
     AdBlockRuleList _whiteList;
+    
     QStringList _hideList;
 
     KSharedConfig::Ptr _adblockConfig;
-- 
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