WebCore/plugins/qt/PluginViewQt.cpp - platform/external/webkit - Git at Google

 /*
  * Copyright (C) 2006, 2007 Apple Inc.  All rights reserved.
  * Copyright (C) 2008 Collabora Ltd. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */

 #include "config.h"
 #include "PluginView.h"

 #include <QWidget>
 #include <QX11EmbedContainer>
 #include <QX11Info>

 #include "NotImplemented.h"
 #include "PluginDebug.h"
 #include "PluginPackage.h"
 #include "npruntime_impl.h"
 #include "runtime.h"
 #include "runtime_root.h"
 #include <runtime/JSLock.h>
 #include <runtime/JSValue.h>
 #include "JSDOMBinding.h"
 #include "ScriptController.h"

 #include "Document.h"
 #include "DocumentLoader.h"
 #include "Element.h"
 #include "FrameLoader.h"
 #include "FrameLoadRequest.h"
 #include "FrameTree.h"
 #include "Frame.h"
 #include "FrameView.h"
 #include "GraphicsContext.h"
 #include "Image.h"
 #include "HTMLNames.h"
 #include "HTMLPlugInElement.h"
 #include "KeyboardEvent.h"
 #include "MouseEvent.h"
 #include "Page.h"
 #include "PlatformMouseEvent.h"
 #include "RenderLayer.h"
 #include "Settings.h"

 using JSC::ExecState;
 using JSC::Interpreter;
 using JSC::JSLock;
 using JSC::JSObject;
 using JSC::UString;

 using std::min;

 using namespace WTF;

 namespace WebCore {

 using namespace HTMLNames;

 void PluginView::updatePluginWidget() const
 {
     if (!parent() || !m_isWindowed)
         return;

     ASSERT(parent()->isFrameView());
     FrameView* frameView = static_cast<FrameView*>(parent());

     IntRect oldWindowRect = m_windowRect;
     IntRect oldClipRect = m_clipRect;

     m_windowRect = IntRect(frameView->contentsToWindow(frameRect().location()), frameRect().size());
     m_clipRect = windowClipRect();
     m_clipRect.move(-m_windowRect.x(), -m_windowRect.y());

     if (platformPluginWidget()) {
         platformPluginWidget()->move(m_windowRect.x(), m_windowRect.y());
         platformPluginWidget()->resize(m_windowRect.width(), m_windowRect.height());
         platformPluginWidget()->setMask(QRegion(m_clipRect.x(), m_clipRect.y(), m_clipRect.width(), m_clipRect.height()));
     }
 }

 void PluginView::setFocus()
 {
     if (platformPluginWidget())
         platformPluginWidget()->setFocus(Qt::OtherFocusReason);
     else
         Widget::setFocus();
 }

 void PluginView::show()
 {
     setSelfVisible(true);

     if (isParentVisible() && platformPluginWidget())
         platformPluginWidget()->setVisible(true);

     Widget::show();
 }

 void PluginView::hide()
 {
     setSelfVisible(false);

     if (isParentVisible() && platformPluginWidget())
         platformPluginWidget()->setVisible(false);

     Widget::hide();
 }

 void PluginView::paint(GraphicsContext* context, const IntRect& rect)
 {
     if (!m_isStarted) {
         // Draw the "missing plugin" image
         //paintMissingPluginIcon(context, rect);
         return;
     }

     if (m_isWindowed || context->paintingDisabled())
         return;

     notImplemented();
 }

 void PluginView::handleKeyboardEvent(KeyboardEvent* event)
 {
     notImplemented();
 }

 void PluginView::handleMouseEvent(MouseEvent* event)
 {
     notImplemented();
 }

 void PluginView::setParent(ScrollView* parent)
 {
     Widget::setParent(parent);

     if (parent)
         init();
     else {
         if (!platformPluginWidget())
             return;
     }
 }

 void PluginView::setNPWindowRect(const IntRect& rect)
 {
     if (!m_isStarted || !parent())
         return;

     IntPoint p = static_cast<FrameView*>(parent())->contentsToWindow(rect.location());
     m_npWindow.x = p.x();
     m_npWindow.y = p.y();

     m_npWindow.width = rect.width();
     m_npWindow.height = rect.height();

     m_npWindow.clipRect.left = 0;
     m_npWindow.clipRect.top = 0;
     m_npWindow.clipRect.right = rect.width();
     m_npWindow.clipRect.bottom = rect.height();

     if (m_npWindow.x < 0 || m_npWindow.y < 0 ||
         m_npWindow.width <= 0 || m_npWindow.height <= 0)
         return;

     if (m_plugin->pluginFuncs()->setwindow) {
         PluginView::setCurrentPluginView(this);
         JSC::JSLock::DropAllLocks dropAllLocks(false);
         setCallingPlugin(true);
         m_plugin->pluginFuncs()->setwindow(m_instance, &m_npWindow);
         setCallingPlugin(false);
         PluginView::setCurrentPluginView(0);

         if (!m_isWindowed)
             return;

         ASSERT(platformPluginWidget());
     }
 }

 void PluginView::setParentVisible(bool visible)
 {
     if (isParentVisible() == visible)
         return;

     Widget::setParentVisible(visible);

     if (isSelfVisible() && platformPluginWidget())
         platformPluginWidget()->setVisible(visible);
 }

 void PluginView::stop()
 {
     if (!m_isStarted)
         return;

     HashSet<RefPtr<PluginStream> > streams = m_streams;
     HashSet<RefPtr<PluginStream> >::iterator end = streams.end();
     for (HashSet<RefPtr<PluginStream> >::iterator it = streams.begin(); it != end; ++it) {
         (*it)->stop();
         disconnectStream((*it).get());
     }

     ASSERT(m_streams.isEmpty());

     m_isStarted = false;

     JSC::JSLock::DropAllLocks dropAllLocks(false);

     // Clear the window
     m_npWindow.window = 0;
     delete (NPSetWindowCallbackStruct *)m_npWindow.ws_info;
     m_npWindow.ws_info = 0;
     if (m_plugin->pluginFuncs()->setwindow && !m_plugin->quirks().contains(PluginQuirkDontSetNullWindowHandleOnDestroy)) {
         PluginView::setCurrentPluginView(this);
         setCallingPlugin(true);
         m_plugin->pluginFuncs()->setwindow(m_instance, &m_npWindow);
         setCallingPlugin(false);
         PluginView::setCurrentPluginView(0);
     }

     // Destroy the plugin
     {
         PluginView::setCurrentPluginView(this);
         setCallingPlugin(true);
         m_plugin->pluginFuncs()->destroy(m_instance, 0);
         setCallingPlugin(false);
         PluginView::setCurrentPluginView(0);
     }

     m_instance->pdata = 0;
 }

 static const char* MozillaUserAgent = "Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8.1) Gecko/20061010 Firefox/2.0";

 const char* PluginView::userAgent()
 {
     if (m_plugin->quirks().contains(PluginQuirkWantsMozillaUserAgent))
         return MozillaUserAgent;

     if (m_userAgent.isNull())
         m_userAgent = m_parentFrame->loader()->userAgent(m_url).utf8();

     return m_userAgent.data();
 }

 const char* PluginView::userAgentStatic()
 {
     //FIXME - Just say we are Mozilla
     return MozillaUserAgent;
 }

 NPError PluginView::handlePostReadFile(Vector<char>& buffer, uint32 len, const char* buf)
 {
     String filename(buf, len);

     if (filename.startsWith("file:///"))
         filename = filename.substring(8);

     if (!fileExists(filename))
         return NPERR_FILE_NOT_FOUND;

     //FIXME - read the file data into buffer
     FILE* fileHandle = fopen((filename.utf8()).data(), "r");

     if (fileHandle == 0)
         return NPERR_FILE_NOT_FOUND;

     //buffer.resize();

     int bytesRead = fread(buffer.data(), 1, 0, fileHandle);

     fclose(fileHandle);

     if (bytesRead <= 0)
         return NPERR_FILE_NOT_FOUND;

     return NPERR_NO_ERROR;
 }

 NPError PluginView::getValueStatic(NPNVariable variable, void* value)
 {
     switch (variable) {
     case NPNVToolkit:
         *((uint32 *)value) = 0;
         return NPERR_NO_ERROR;

     case NPNVSupportsXEmbedBool:
         *((uint32 *)value) = true;
         return NPERR_NO_ERROR;

     case NPNVjavascriptEnabledBool:
         *((uint32 *)value) = true;
         return NPERR_NO_ERROR;

     default:
         return NPERR_GENERIC_ERROR;
     }
 }

 NPError PluginView::getValue(NPNVariable variable, void* value)
 {
     switch (variable) {
     case NPNVxDisplay:
         if (platformPluginWidget())
             *(void **)value = platformPluginWidget()->x11Info().display();
         else
             *(void **)value = m_parentFrame->view()->hostWindow()->platformWindow()->x11Info().display();
         return NPERR_NO_ERROR;

     case NPNVxtAppContext:
         return NPERR_GENERIC_ERROR;

 #if ENABLE(NETSCAPE_PLUGIN_API)
     case NPNVWindowNPObject: {
         if (m_isJavaScriptPaused)
             return NPERR_GENERIC_ERROR;

         NPObject* windowScriptObject = m_parentFrame->script()->windowScriptNPObject();

         // Return value is expected to be retained, as described here: <http://www.mozilla.org/projects/plugin/npruntime.html>
         if (windowScriptObject)
             _NPN_RetainObject(windowScriptObject);

         void** v = (void**)value;
         *v = windowScriptObject;

         return NPERR_NO_ERROR;
     }

     case NPNVPluginElementNPObject: {
         if (m_isJavaScriptPaused)
             return NPERR_GENERIC_ERROR;

         NPObject* pluginScriptObject = 0;

         if (m_element->hasTagName(appletTag) || m_element->hasTagName(embedTag) || m_element->hasTagName(objectTag))
             pluginScriptObject = static_cast<HTMLPlugInElement*>(m_element)->getNPObject();

         // Return value is expected to be retained, as described here: <http://www.mozilla.org/projects/plugin/npruntime.html>
         if (pluginScriptObject)
             _NPN_RetainObject(pluginScriptObject);

         void** v = (void**)value;
         *v = pluginScriptObject;

         return NPERR_NO_ERROR;
     }
 #endif

     case NPNVnetscapeWindow: {
         void* w = reinterpret_cast<void*>(value);
         *((XID *)w) = m_parentFrame->view()->hostWindow()->platformWindow()->winId();
         return NPERR_NO_ERROR;
     }

     default:
             return getValueStatic(variable, value);
     }
 }

 void PluginView::invalidateRect(const IntRect& rect)
 {
     if (platformWidget()) {
         platformWidget()->update(rect);
         return;
     }

     invalidateWindowlessPluginRect(rect);
 }

 void PluginView::invalidateRect(NPRect* rect)
 {
     notImplemented();
 }

 void PluginView::invalidateRegion(NPRegion region)
 {
     notImplemented();
 }

 void PluginView::forceRedraw()
 {
     notImplemented();
 }

 PluginView::~PluginView()
 {
     stop();

     deleteAllValues(m_requests);

     freeStringArray(m_paramNames, m_paramCount);
     freeStringArray(m_paramValues, m_paramCount);

     m_parentFrame->script()->cleanupScriptObjectsForPlugin(this);

     if (m_plugin && !(m_plugin->quirks().contains(PluginQuirkDontUnloadPlugin)))
         m_plugin->unload();

     delete platformPluginWidget();
 }

 void PluginView::init()
 {
     if (m_haveInitialized)
         return;
     m_haveInitialized = true;

     if (!m_plugin) {
         ASSERT(m_status == PluginStatusCanNotFindPlugin);
         return;
     }

     if (!m_plugin->load()) {
         m_plugin = 0;
         m_status = PluginStatusCanNotLoadPlugin;
         return;
     }

     if (!start()) {
         m_status = PluginStatusCanNotLoadPlugin;
         return;
     }

     if (m_plugin->pluginFuncs()->getvalue) {
         PluginView::setCurrentPluginView(this);
         JSC::JSLock::DropAllLocks dropAllLocks(false);
         setCallingPlugin(true);
         m_plugin->pluginFuncs()->getvalue(m_instance, NPPVpluginNeedsXEmbed, &m_needsXEmbed);
         setCallingPlugin(false);
         PluginView::setCurrentPluginView(0);
     }

     if (m_needsXEmbed) {
         setPlatformWidget(new QX11EmbedContainer(m_parentFrame->view()->hostWindow()->platformWindow()));
         setIsNPAPIPlugin(true);
     } else {
         notImplemented();
         m_status = PluginStatusCanNotLoadPlugin;
         return;
     }
     show ();

     NPSetWindowCallbackStruct *wsi = new NPSetWindowCallbackStruct();

     wsi->type = 0;

     wsi->display = platformPluginWidget()->x11Info().display();
     wsi->visual = (Visual*)platformPluginWidget()->x11Info().visual();
     wsi->depth = platformPluginWidget()->x11Info().depth();
     wsi->colormap = platformPluginWidget()->x11Info().colormap();
     m_npWindow.ws_info = wsi;

     m_npWindow.type = NPWindowTypeWindow;
     m_npWindow.window = (void*)platformPluginWidget()->winId();

     if (!(m_plugin->quirks().contains(PluginQuirkDeferFirstSetWindowCall)))
         setNPWindowRect(frameRect());

     m_status = PluginStatusLoadedSuccessfully;
 }

 } // namespace WebCore
	/*
	* Copyright (C) 2006, 2007 Apple Inc. All rights reserved.
	* Copyright (C) 2008 Collabora Ltd. All rights reserved.
	*
	* Redistribution and use in source and binary forms, with or without
	* modification, are permitted provided that the following conditions
	* are met:
	* 1. Redistributions of source code must retain the above copyright
	* notice, this list of conditions and the following disclaimer.
	* 2. Redistributions in binary form must reproduce the above copyright
	* notice, this list of conditions and the following disclaimer in the
	* documentation and/or other materials provided with the distribution.
	*
	* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
	* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
	* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
	* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
	* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
	* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
	* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
	* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
	* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	*/

	#include "config.h"
	#include "PluginView.h"

	#include <QWidget>
	#include <QX11EmbedContainer>
	#include <QX11Info>

	#include "NotImplemented.h"
	#include "PluginDebug.h"
	#include "PluginPackage.h"
	#include "npruntime_impl.h"
	#include "runtime.h"
	#include "runtime_root.h"
	#include <runtime/JSLock.h>
	#include <runtime/JSValue.h>
	#include "JSDOMBinding.h"
	#include "ScriptController.h"

	#include "Document.h"
	#include "DocumentLoader.h"
	#include "Element.h"
	#include "FrameLoader.h"
	#include "FrameLoadRequest.h"
	#include "FrameTree.h"
	#include "Frame.h"
	#include "FrameView.h"
	#include "GraphicsContext.h"
	#include "Image.h"
	#include "HTMLNames.h"
	#include "HTMLPlugInElement.h"
	#include "KeyboardEvent.h"
	#include "MouseEvent.h"
	#include "Page.h"
	#include "PlatformMouseEvent.h"
	#include "RenderLayer.h"
	#include "Settings.h"

	using JSC::ExecState;
	using JSC::Interpreter;
	using JSC::JSLock;
	using JSC::JSObject;
	using JSC::UString;

	using std::min;

	using namespace WTF;

	namespace WebCore {

	using namespace HTMLNames;

	void PluginView::updatePluginWidget() const
	{
	if (!parent() \|\| !m_isWindowed)
	return;

	ASSERT(parent()->isFrameView());
	FrameView* frameView = static_cast<FrameView*>(parent());

	IntRect oldWindowRect = m_windowRect;
	IntRect oldClipRect = m_clipRect;

	m_windowRect = IntRect(frameView->contentsToWindow(frameRect().location()), frameRect().size());
	m_clipRect = windowClipRect();
	m_clipRect.move(-m_windowRect.x(), -m_windowRect.y());

	if (platformPluginWidget()) {
	platformPluginWidget()->move(m_windowRect.x(), m_windowRect.y());
	platformPluginWidget()->resize(m_windowRect.width(), m_windowRect.height());
	platformPluginWidget()->setMask(QRegion(m_clipRect.x(), m_clipRect.y(), m_clipRect.width(), m_clipRect.height()));
	}
	}

	void PluginView::setFocus()
	{
	if (platformPluginWidget())
	platformPluginWidget()->setFocus(Qt::OtherFocusReason);
	else
	Widget::setFocus();
	}

	void PluginView::show()
	{
	setSelfVisible(true);

	if (isParentVisible() && platformPluginWidget())
	platformPluginWidget()->setVisible(true);

	Widget::show();
	}

	void PluginView::hide()
	{
	setSelfVisible(false);

	if (isParentVisible() && platformPluginWidget())
	platformPluginWidget()->setVisible(false);

	Widget::hide();
	}

	void PluginView::paint(GraphicsContext* context, const IntRect& rect)
	{
	if (!m_isStarted) {
	// Draw the "missing plugin" image
	//paintMissingPluginIcon(context, rect);
	return;
	}

	if (m_isWindowed \|\| context->paintingDisabled())
	return;

	notImplemented();
	}

	void PluginView::handleKeyboardEvent(KeyboardEvent* event)
	{
	notImplemented();
	}

	void PluginView::handleMouseEvent(MouseEvent* event)
	{
	notImplemented();
	}

	void PluginView::setParent(ScrollView* parent)
	{
	Widget::setParent(parent);

	if (parent)
	init();
	else {
	if (!platformPluginWidget())
	return;
	}
	}

	void PluginView::setNPWindowRect(const IntRect& rect)
	{
	if (!m_isStarted \|\| !parent())
	return;

	IntPoint p = static_cast<FrameView*>(parent())->contentsToWindow(rect.location());
	m_npWindow.x = p.x();
	m_npWindow.y = p.y();

	m_npWindow.width = rect.width();
	m_npWindow.height = rect.height();

	m_npWindow.clipRect.left = 0;
	m_npWindow.clipRect.top = 0;
	m_npWindow.clipRect.right = rect.width();
	m_npWindow.clipRect.bottom = rect.height();

	if (m_npWindow.x < 0 \|\| m_npWindow.y < 0 \|\|
	m_npWindow.width <= 0 \|\| m_npWindow.height <= 0)
	return;

	if (m_plugin->pluginFuncs()->setwindow) {
	PluginView::setCurrentPluginView(this);
	JSC::JSLock::DropAllLocks dropAllLocks(false);
	setCallingPlugin(true);
	m_plugin->pluginFuncs()->setwindow(m_instance, &m_npWindow);
	setCallingPlugin(false);
	PluginView::setCurrentPluginView(0);

	if (!m_isWindowed)
	return;

	ASSERT(platformPluginWidget());
	}
	}

	void PluginView::setParentVisible(bool visible)
	{
	if (isParentVisible() == visible)
	return;

	Widget::setParentVisible(visible);

	if (isSelfVisible() && platformPluginWidget())
	platformPluginWidget()->setVisible(visible);
	}

	void PluginView::stop()
	{
	if (!m_isStarted)
	return;

	HashSet<RefPtr<PluginStream> > streams = m_streams;
	HashSet<RefPtr<PluginStream> >::iterator end = streams.end();
	for (HashSet<RefPtr<PluginStream> >::iterator it = streams.begin(); it != end; ++it) {
	(*it)->stop();
	disconnectStream((*it).get());
	}

	ASSERT(m_streams.isEmpty());

	m_isStarted = false;

	JSC::JSLock::DropAllLocks dropAllLocks(false);

	// Clear the window
	m_npWindow.window = 0;
	delete (NPSetWindowCallbackStruct *)m_npWindow.ws_info;
	m_npWindow.ws_info = 0;
	if (m_plugin->pluginFuncs()->setwindow && !m_plugin->quirks().contains(PluginQuirkDontSetNullWindowHandleOnDestroy)) {
	PluginView::setCurrentPluginView(this);
	setCallingPlugin(true);
	m_plugin->pluginFuncs()->setwindow(m_instance, &m_npWindow);
	setCallingPlugin(false);
	PluginView::setCurrentPluginView(0);
	}

	// Destroy the plugin
	{
	PluginView::setCurrentPluginView(this);
	setCallingPlugin(true);
	m_plugin->pluginFuncs()->destroy(m_instance, 0);
	setCallingPlugin(false);
	PluginView::setCurrentPluginView(0);
	}

	m_instance->pdata = 0;
	}

	static const char* MozillaUserAgent = "Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8.1) Gecko/20061010 Firefox/2.0";

	const char* PluginView::userAgent()
	{
	if (m_plugin->quirks().contains(PluginQuirkWantsMozillaUserAgent))
	return MozillaUserAgent;

	if (m_userAgent.isNull())
	m_userAgent = m_parentFrame->loader()->userAgent(m_url).utf8();

	return m_userAgent.data();
	}

	const char* PluginView::userAgentStatic()
	{
	//FIXME - Just say we are Mozilla
	return MozillaUserAgent;
	}

	NPError PluginView::handlePostReadFile(Vector<char>& buffer, uint32 len, const char* buf)
	{
	String filename(buf, len);

	if (filename.startsWith("file:///"))
	filename = filename.substring(8);

	if (!fileExists(filename))
	return NPERR_FILE_NOT_FOUND;

	//FIXME - read the file data into buffer
	FILE* fileHandle = fopen((filename.utf8()).data(), "r");

	if (fileHandle == 0)
	return NPERR_FILE_NOT_FOUND;

	//buffer.resize();

	int bytesRead = fread(buffer.data(), 1, 0, fileHandle);

	fclose(fileHandle);

	if (bytesRead <= 0)
	return NPERR_FILE_NOT_FOUND;

	return NPERR_NO_ERROR;
	}

	NPError PluginView::getValueStatic(NPNVariable variable, void* value)
	{
	switch (variable) {
	case NPNVToolkit:
	((uint32 )value) = 0;
	return NPERR_NO_ERROR;

	case NPNVSupportsXEmbedBool:
	((uint32 )value) = true;
	return NPERR_NO_ERROR;

	case NPNVjavascriptEnabledBool:
	((uint32 )value) = true;
	return NPERR_NO_ERROR;

	default:
	return NPERR_GENERIC_ERROR;
	}
	}

	NPError PluginView::getValue(NPNVariable variable, void* value)
	{
	switch (variable) {
	case NPNVxDisplay:
	if (platformPluginWidget())
	(void *)value = platformPluginWidget()->x11Info().display();
	else
	(void *)value = m_parentFrame->view()->hostWindow()->platformWindow()->x11Info().display();
	return NPERR_NO_ERROR;

	case NPNVxtAppContext:
	return NPERR_GENERIC_ERROR;

	#if ENABLE(NETSCAPE_PLUGIN_API)
	case NPNVWindowNPObject: {
	if (m_isJavaScriptPaused)
	return NPERR_GENERIC_ERROR;

	NPObject* windowScriptObject = m_parentFrame->script()->windowScriptNPObject();

	// Return value is expected to be retained, as described here: <http://www.mozilla.org/projects/plugin/npruntime.html>
	if (windowScriptObject)
	_NPN_RetainObject(windowScriptObject);

	void v = (void)value;
	*v = windowScriptObject;

	return NPERR_NO_ERROR;
	}

	case NPNVPluginElementNPObject: {
	if (m_isJavaScriptPaused)
	return NPERR_GENERIC_ERROR;

	NPObject* pluginScriptObject = 0;

	if (m_element->hasTagName(appletTag) \|\| m_element->hasTagName(embedTag) \|\| m_element->hasTagName(objectTag))
	pluginScriptObject = static_cast<HTMLPlugInElement*>(m_element)->getNPObject();

	// Return value is expected to be retained, as described here: <http://www.mozilla.org/projects/plugin/npruntime.html>
	if (pluginScriptObject)
	_NPN_RetainObject(pluginScriptObject);

	void v = (void)value;
	*v = pluginScriptObject;

	return NPERR_NO_ERROR;
	}
	#endif

	case NPNVnetscapeWindow: {
	void* w = reinterpret_cast<void*>(value);
	((XID )w) = m_parentFrame->view()->hostWindow()->platformWindow()->winId();
	return NPERR_NO_ERROR;
	}

	default:
	return getValueStatic(variable, value);
	}
	}

	void PluginView::invalidateRect(const IntRect& rect)
	{
	if (platformWidget()) {
	platformWidget()->update(rect);
	return;
	}

	invalidateWindowlessPluginRect(rect);
	}

	void PluginView::invalidateRect(NPRect* rect)
	{
	notImplemented();
	}

	void PluginView::invalidateRegion(NPRegion region)
	{
	notImplemented();
	}

	void PluginView::forceRedraw()
	{
	notImplemented();
	}

	PluginView::~PluginView()
	{
	stop();

	deleteAllValues(m_requests);

	freeStringArray(m_paramNames, m_paramCount);
	freeStringArray(m_paramValues, m_paramCount);

	m_parentFrame->script()->cleanupScriptObjectsForPlugin(this);

	if (m_plugin && !(m_plugin->quirks().contains(PluginQuirkDontUnloadPlugin)))
	m_plugin->unload();

	delete platformPluginWidget();
	}

	void PluginView::init()
	{
	if (m_haveInitialized)
	return;
	m_haveInitialized = true;

	if (!m_plugin) {
	ASSERT(m_status == PluginStatusCanNotFindPlugin);
	return;
	}

	if (!m_plugin->load()) {
	m_plugin = 0;
	m_status = PluginStatusCanNotLoadPlugin;
	return;
	}

	if (!start()) {
	m_status = PluginStatusCanNotLoadPlugin;
	return;
	}

	if (m_plugin->pluginFuncs()->getvalue) {
	PluginView::setCurrentPluginView(this);
	JSC::JSLock::DropAllLocks dropAllLocks(false);
	setCallingPlugin(true);
	m_plugin->pluginFuncs()->getvalue(m_instance, NPPVpluginNeedsXEmbed, &m_needsXEmbed);
	setCallingPlugin(false);
	PluginView::setCurrentPluginView(0);
	}

	if (m_needsXEmbed) {
	setPlatformWidget(new QX11EmbedContainer(m_parentFrame->view()->hostWindow()->platformWindow()));
	setIsNPAPIPlugin(true);
	} else {
	notImplemented();
	m_status = PluginStatusCanNotLoadPlugin;
	return;
	}
	show ();

	NPSetWindowCallbackStruct *wsi = new NPSetWindowCallbackStruct();

	wsi->type = 0;

	wsi->display = platformPluginWidget()->x11Info().display();
	wsi->visual = (Visual*)platformPluginWidget()->x11Info().visual();
	wsi->depth = platformPluginWidget()->x11Info().depth();
	wsi->colormap = platformPluginWidget()->x11Info().colormap();
	m_npWindow.ws_info = wsi;

	m_npWindow.type = NPWindowTypeWindow;
	m_npWindow.window = (void*)platformPluginWidget()->winId();

	if (!(m_plugin->quirks().contains(PluginQuirkDeferFirstSetWindowCall)))
	setNPWindowRect(frameRect());

	m_status = PluginStatusLoadedSuccessfully;
	}

	} // namespace WebCore