Issue 119 - Switch to injecting CSS for element hiding

src/plugin/WebBrowserEventsListener.cpp

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
- * Copyright (C) 2006-2015 Eyeo GmbH
+ * Copyright (C) 2006-2016 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 "WebBrowserEventsListener.h"
 
 WebBrowserEventsListener::WebBrowserEventsListener()
   : m_isDocumentEvents2Connected(false)
   , m_state(State::FirstTimeLoading)
 {
 }
 
 WebBrowserEventsListener::~WebBrowserEventsListener()
 {
-  if (!!m_onDestroy)
-  {
-    m_onDestroy();
-  }
 }
 
 HRESULT STDMETHODCALLTYPE WebBrowserEventsListener::OnDocumentComplete(IDispatch* dispFrameBrowser, VARIANT* /*variantUrl*/)
 {
   if (!dispFrameBrowser)
   {
     return E_POINTER;
   }
 
   // if it's a signal from another browser (sub-frame for-example) then ignore it.
@@ skipping 11 matching lines @@
   }
 
   // We can get here when readyStateChanged("complete") is already received,
   // don't emit reloaded, because it's already emitted from OnReadyStateChange.
   if (m_state == State::FirstTimeLoading)
   {
     m_state = State::Loaded;
     emitReloaded();
   }
   return S_OK;
+}
+
+void STDMETHODCALLTYPE WebBrowserEventsListener::OnQuit()
+{
+  if (m_isDocumentEvents2Connected)
+  {
+    ATL::CComPtr<IDispatch> dispDocument;
+    ATL::CComQIPtr<IHTMLDocument2> htmlDocument2;
+    if (SUCCEEDED(m_browser->get_Document(&dispDocument)) && (htmlDocument2 = dispDocument))
+    {
+      HTMLDocumentEvents2Listener::DispEventUnadvise(htmlDocument2);
+    }
+  }
+  WebBrowserEvents2Listener::DispEventUnadvise(m_browser);
 }
 
 void STDMETHODCALLTYPE WebBrowserEventsListener::OnReadyStateChange(IHTMLEventObj* /*pEvtObj*/)
 {
   auto documentReadyState = [this]()->std::wstring
   {
     std::wstring notAvailableReadyState;
     ATL::CComPtr<IDispatch> pDocDispatch;
     m_browser->get_Document(&pDocDispatch);
     ATL::CComQIPtr<IHTMLDocument2> htmlDocument2 = pDocDispatch;
@@ skipping 41 matching lines @@
   }
   else if (documentReadyState == L"uninitialized")
   {
   }
   else
   {
     assert(false);
   }
 }
 
+void WebBrowserEventsListener::FinalRelease()
+{
+  if (!!m_onDestroy)
+  {
+    m_onDestroy();
+  }
+}
+
 HRESULT WebBrowserEventsListener::Init(IWebBrowser2* webBrowser, const OnDestroy& onDestroy, const OnReloaded& onReloaded)
 {
   if (!(m_browser = webBrowser))
   {
     return E_POINTER;
   }
   m_onDestroy = onDestroy;
   m_onReloaded = onReloaded;
   if (FAILED(WebBrowserEvents2Listener::DispEventAdvise(m_browser, &DIID_DWebBrowserEvents2)))
   {
     return E_FAIL;
   }
   return S_OK;
 }
 
 void WebBrowserEventsListener::emitReloaded()
 {
   if (m_onReloaded)
   {
     m_onReloaded();
   }
 }