BrowserPlugin/WebView - Move plugin lifetime to DOM

Source/core/html/HTMLPlugInElement.cpp

 /**
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Stefan Schimanski (1Stein@gmx.de)
  * Copyright (C) 2004, 2005, 2006 Apple Computer, Inc.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
@@ skipping 11 matching lines @@
 
 #include "config.h"
 #include "core/html/HTMLPlugInElement.h"
 
 #include "CSSPropertyNames.h"
 #include "HTMLNames.h"
 #include "bindings/v8/ScriptController.h"
 #include "bindings/v8/npruntime_impl.h"
 #include "core/dom/Document.h"
 #include "core/events/Event.h"
+#include "core/loader/FrameLoaderClient.h"
 #include "core/page/EventHandler.h"
 #include "core/page/Frame.h"
 #include "core/platform/Widget.h"
 #include "core/plugins/PluginView.h"
 #include "core/rendering/RenderEmbeddedObject.h"
 #include "core/rendering/RenderWidget.h"
 #include "wtf/UnusedParam.h"
 
 
 namespace WebCore {
@@ skipping 39 matching lines @@
 
 void HTMLPlugInElement::removeAllEventListeners()
 {
     HTMLFrameOwnerElement::removeAllEventListeners();
     if (RenderWidget* renderer = existingRenderWidget()) {
         if (Widget* widget = renderer->widget())
             widget->eventListenersRemoved();
     }
 }
 
+void HTMLPlugInElement::createPluginWithoutRenderer(const String& mimeType)
+{
+    if (m_plugin && (mimeType == m_pluginMimeType))
+        return;
+
+    Frame* frame = document().frame();
+    if (!frame->loader()->client()->canCreatePluginWithoutRenderer(mimeType))
+        return;
+
+    KURL url;
+    Vector<String> paramNames;
+    Vector<String> paramValues;
+
+    paramNames.append(String("type"));
+    paramValues.append(mimeType);
+
+    m_plugin = frame->loader()->client()->createPlugin(IntSize(), this, url, paramNames, paramValues, mimeType, false, true);
+
+    // Register the bindings with V8 as a scriptable object; normally this is
+    // done in getInstance(), but that is only called after a renderer has been
+    // assigned.
+    if (m_plugin) {
+        m_pluginMimeType = mimeType;
+        // We require a V8 context in order to be able to create the script
+        // instance, but since this may occur during loading we need to create
+        // one here to ensure it exists.
+        v8::HandleScope handleScope(v8::Isolate::GetCurrent());
+        v8::Local<v8::Context> context = ScriptController::mainWorldContext(frame);
+        v8::Context::Scope contextScope(context);
+        m_instance = frame->script()->createScriptInstanceForWidget(m_plugin.get());
+    } else {
+        m_pluginMimeType = String();
+    }
+}
+
 void HTMLPlugInElement::detach(const AttachContext& context)
 {
     m_instance.clear();
 
     if (m_isCapturingMouseEvents) {
         if (Frame* frame = document().frame())
             frame->eventHandler()->setCapturingMouseEventsNode(0);
         m_isCapturingMouseEvents = false;
     }
 
@@ skipping 142 matching lines @@
 }
 
 NPObject* HTMLPlugInElement::getNPObject()
 {
     ASSERT(document().frame());
     if (!m_NPObject)
         m_NPObject = document().frame()->script()->createScriptObjectForPluginElement(this);
     return m_NPObject;
 }
 
+void HTMLPlugInElement::setPlugin(PassRefPtr<Widget> plugin)
+{
+    m_plugin = plugin;
 }
+
+PassRefPtr<Widget> HTMLPlugInElement::plugin()
+{
+    return m_plugin;
+}
+
+}