Issue 1557 - Update to the recent libadblockplus to reduce additional updates in the logic later.

src/plugin/AdblockPlusDomTraverser.cpp

Index: src/plugin/AdblockPlusDomTraverser.cpp
===================================================================
--- a/src/plugin/AdblockPlusDomTraverser.cpp
+++ b/src/plugin/AdblockPlusDomTraverser.cpp
@@ -1,161 +1,163 @@
-/*
- * This file is part of Adblock Plus <https://adblockplus.org/>,
- * Copyright (C) 2006-2015 Eyeo GmbH
- *
- * Adblock Plus is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 3 as
- * published by the Free Software Foundation.
- *
- * Adblock Plus 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 Adblock Plus.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include "PluginStdAfx.h"
-
-#include "PluginClient.h"
-#include "PluginFilter.h"
-#include "PluginSettings.h"
-
-#include "AdblockPlusDomTraverser.h"
-
-
-CPluginDomTraverser::CPluginDomTraverser(CPluginTab* tab) : CPluginDomTraverserBase(tab)
-{
-}
-
-
-bool CPluginDomTraverser::OnIFrame(IHTMLElement* pEl, const std::wstring& url, CString& indent)
-{
-  CPluginClient* client = CPluginClient::GetInstance();
-
-  // If src should be blocked, set style display:none on iframe
-  bool isBlocked = client->ShouldBlock(url, CFilter::contentTypeSubdocument, m_domain);
-  if (isBlocked)
-  {
-    HideElement(pEl, "iframe", url, true, indent);
-  }
-
-  return !isBlocked;
-}
-
-
-bool CPluginDomTraverser::OnElement(IHTMLElement* pEl, const CString& tag, CPluginDomTraverserCache* cache, bool isDebug, CString& indent)
-{
-  if (cache->m_isHidden)
-  {
-    return false;
-  }
-
-  // Check if element is hidden
-  CPluginClient* client = CPluginClient::GetInstance();
-
-  cache->m_isHidden = client->IsElementHidden(ToWstring(tag), pEl, m_domain, ToWstring(indent), m_tab->m_filter.get());
-  if (cache->m_isHidden)
-  {
-    HideElement(pEl, tag, L"", false, indent);
-    return false;
-  }
-
-  // Images
-  if (tag == "img")
-  {
-    CComVariant vAttr;
-
-    if (SUCCEEDED(pEl->getAttribute(ATL::CComBSTR(L"src"), 0, &vAttr)) && vAttr.vt == VT_BSTR && ::SysStringLen(vAttr.bstrVal) > 0)
-    {
-      std::wstring src(vAttr.bstrVal, SysStringLen(vAttr.bstrVal));
-      UnescapeUrl(src);
-
-      // If src should be blocked, set style display:none on image
-      cache->m_isHidden = client->ShouldBlock(src, CFilter::contentTypeImage, m_domain);
-      if (cache->m_isHidden)
-      {
-        HideElement(pEl, "image", src, true, indent);
-        return false;
-      }
-    }
-  }
-  // Objects
-  else if (tag == "object")
-  {
-    CComBSTR bstrInnerHtml;
-
-    if (SUCCEEDED(pEl->get_innerHTML(&bstrInnerHtml)) && bstrInnerHtml)
-    {
-      CString sObjectHtml = bstrInnerHtml;
-      CString src;
-
-      int posBegin = sObjectHtml.Find(L"VALUE=\"");
-      int posEnd = posBegin >= 0 ? sObjectHtml.Find('\"', posBegin + 7) : -1;
-
-      while (posBegin >= 0 && posEnd >= 0)
-      {
-        posBegin += 7;
-
-        src = sObjectHtml.Mid(posBegin, posEnd - posBegin);
-
-        // eg. http://w3schools.com/html/html_examples.asp
-        if (src.Left(2) == "//")
-        {
-          src = "http:" + src;
-        }
-
-        if (!src.IsEmpty())
-        {
-          if (cache->m_isHidden)
-          {
-            HideElement(pEl, "object", ToWstring(src), true, indent);
-            return false;
-          }
-        }
-
-        posBegin = sObjectHtml.Find(L"VALUE=\"", posBegin);
-        posEnd = posBegin >= 0 ? sObjectHtml.Find(L"\"", posBegin + 7) : -1;
-      }
-    }
-  }
-
-  return true;
-}
-
-
-bool CPluginDomTraverser::IsEnabled()
-{
-  CPluginClient* client = CPluginClient::GetInstance();
-  return client && CPluginSettings::GetInstance()->IsPluginEnabled() && !client->IsWhitelistedUrl(m_domain);
-}
-
-
-void CPluginDomTraverser::HideElement(IHTMLElement* pEl, const CString& type, const std::wstring& url, bool isDebug, CString& indent)
-{
-  CComPtr<IHTMLStyle> pStyle;
-
-  if (SUCCEEDED(pEl->get_style(&pStyle)) && pStyle)
-  {
-    CComBSTR bstrDisplay;
-
-    if (SUCCEEDED(pStyle->get_display(&bstrDisplay)) && bstrDisplay && CString(bstrDisplay) == L"none")
-    {
-      return;
-    }
-
-    static const CComBSTR sbstrNone(L"none");
-
-    if (SUCCEEDED(pStyle->put_display(sbstrNone)))
-    {
-      DEBUG_HIDE_EL(indent + L"HideEl::Hiding " + type + L" url:" + ToCString(url))
-
-#ifdef ENABLE_DEBUG_RESULT
-        if (isDebug)
-        {
-          CPluginDebug::DebugResultHiding(type, ToCString(url), "-");
-        }
-#endif // ENABLE_DEBUG_RESULT
-    }
-  }
-}
+/*
+ * This file is part of Adblock Plus <https://adblockplus.org/>,
+ * Copyright (C) 2006-2015 Eyeo GmbH
+ *
+ * Adblock Plus is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 3 as
+ * published by the Free Software Foundation.
+ *
+ * Adblock Plus 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 Adblock Plus.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "PluginStdAfx.h"
+
+#include "PluginClient.h"
+#include "PluginFilter.h"
+#include "PluginSettings.h"
+
+#include "AdblockPlusDomTraverser.h"
+
+
+CPluginDomTraverser::CPluginDomTraverser(CPluginTab* tab) : CPluginDomTraverserBase(tab)
+{
+}
+
+
+bool CPluginDomTraverser::OnIFrame(IHTMLElement* pEl, const std::wstring& url, CString& indent)
+{
+  CPluginClient* client = CPluginClient::GetInstance();
+
+  // If src should be blocked, set style display:none on iframe
+  bool isBlocked = client->ShouldBlock(url,
+    AdblockPlus::FilterEngine::ContentType::CONTENT_TYPE_SUBDOCUMENT, m_domain);
+  if (isBlocked)
+  {
+    HideElement(pEl, "iframe", url, true, indent);
+  }
+
+  return !isBlocked;
+}
+
+
+bool CPluginDomTraverser::OnElement(IHTMLElement* pEl, const CString& tag, CPluginDomTraverserCache* cache, bool isDebug, CString& indent)
+{
+  if (cache->m_isHidden)
+  {
+    return false;
+  }
+
+  // Check if element is hidden
+  CPluginClient* client = CPluginClient::GetInstance();
+
+  cache->m_isHidden = client->IsElementHidden(ToWstring(tag), pEl, m_domain, ToWstring(indent), m_tab->m_filter.get());
+  if (cache->m_isHidden)
+  {
+    HideElement(pEl, tag, L"", false, indent);
+    return false;
+  }
+
+  // Images
+  if (tag == "img")
+  {
+    CComVariant vAttr;
+
+    if (SUCCEEDED(pEl->getAttribute(ATL::CComBSTR(L"src"), 0, &vAttr)) && vAttr.vt == VT_BSTR && ::SysStringLen(vAttr.bstrVal) > 0)
+    {
+      std::wstring src(vAttr.bstrVal, SysStringLen(vAttr.bstrVal));
+      UnescapeUrl(src);
+
+      // If src should be blocked, set style display:none on image
+      cache->m_isHidden = client->ShouldBlock(src,
+        AdblockPlus::FilterEngine::ContentType::CONTENT_TYPE_IMAGE, m_domain);
+      if (cache->m_isHidden)
+      {
+        HideElement(pEl, "image", src, true, indent);
+        return false;
+      }
+    }
+  }
+  // Objects
+  else if (tag == "object")
+  {
+    CComBSTR bstrInnerHtml;
+
+    if (SUCCEEDED(pEl->get_innerHTML(&bstrInnerHtml)) && bstrInnerHtml)
+    {
+      CString sObjectHtml = bstrInnerHtml;
+      CString src;
+
+      int posBegin = sObjectHtml.Find(L"VALUE=\"");
+      int posEnd = posBegin >= 0 ? sObjectHtml.Find('\"', posBegin + 7) : -1;
+
+      while (posBegin >= 0 && posEnd >= 0)
+      {
+        posBegin += 7;
+
+        src = sObjectHtml.Mid(posBegin, posEnd - posBegin);
+
+        // eg. http://w3schools.com/html/html_examples.asp
+        if (src.Left(2) == "//")
+        {
+          src = "http:" + src;
+        }
+
+        if (!src.IsEmpty())
+        {
+          if (cache->m_isHidden)
+          {
+            HideElement(pEl, "object", ToWstring(src), true, indent);
+            return false;
+          }
+        }
+
+        posBegin = sObjectHtml.Find(L"VALUE=\"", posBegin);
+        posEnd = posBegin >= 0 ? sObjectHtml.Find(L"\"", posBegin + 7) : -1;
+      }
+    }
+  }
+
+  return true;
+}
+
+
+bool CPluginDomTraverser::IsEnabled()
+{
+  CPluginClient* client = CPluginClient::GetInstance();
+  return client && CPluginSettings::GetInstance()->IsPluginEnabled() && !client->IsWhitelistedUrl(m_domain);
+}
+
+
+void CPluginDomTraverser::HideElement(IHTMLElement* pEl, const CString& type, const std::wstring& url, bool isDebug, CString& indent)
+{
+  CComPtr<IHTMLStyle> pStyle;
+
+  if (SUCCEEDED(pEl->get_style(&pStyle)) && pStyle)
+  {
+    CComBSTR bstrDisplay;
+
+    if (SUCCEEDED(pStyle->get_display(&bstrDisplay)) && bstrDisplay && CString(bstrDisplay) == L"none")
+    {
+      return;
+    }
+
+    static const CComBSTR sbstrNone(L"none");
+
+    if (SUCCEEDED(pStyle->put_display(sbstrNone)))
+    {
+      DEBUG_HIDE_EL(indent + L"HideEl::Hiding " + type + L" url:" + ToCString(url))
+
+#ifdef ENABLE_DEBUG_RESULT
+        if (isDebug)
+        {
+          CPluginDebug::DebugResultHiding(type, ToCString(url), "-");
+        }
+#endif // ENABLE_DEBUG_RESULT
+    }
+  }
+}