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/*
* Copyright (C) 2006, 2008 Apple Inc. 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,
* 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 "PluginDocument.h"
#include "DocumentLoader.h"
#include "Frame.h"
#include "FrameLoaderClient.h"
#include "FrameView.h"
#include "HTMLEmbedElement.h"
#include "HTMLHtmlElement.h"
#include "HTMLNames.h"
#include "MainResourceLoader.h"
#include "NodeList.h"
#include "Page.h"
#include "RawDataDocumentParser.h"
#include "RenderEmbeddedObject.h"
#include "Settings.h"
namespace WebCore {
using namespace HTMLNames;
// FIXME: Share more code with MediaDocumentParser.
class PluginDocumentParser : public RawDataDocumentParser {
public:
static PassRefPtr<PluginDocumentParser> create(PluginDocument* document)
{
return adoptRef(new PluginDocumentParser(document));
}
private:
PluginDocumentParser(Document* document)
: RawDataDocumentParser(document)
, m_embedElement(0)
{
}
virtual void appendBytes(DocumentWriter*, const char*, int, bool);
void createDocumentStructure();
HTMLEmbedElement* m_embedElement;
};
void PluginDocumentParser::createDocumentStructure()
{
ExceptionCode ec;
RefPtr<Element> rootElement = document()->createElement(htmlTag, false);
document()->appendChild(rootElement, ec);
#if ENABLE(OFFLINE_WEB_APPLICATIONS)
static_cast<HTMLHtmlElement*>(rootElement.get())->insertedByParser();
#endif
if (document()->frame() && document()->frame()->loader())
document()->frame()->loader()->dispatchDocumentElementAvailable();
RefPtr<Element> body = document()->createElement(bodyTag, false);
body->setAttribute(marginwidthAttr, "0");
body->setAttribute(marginheightAttr, "0");
body->setAttribute(bgcolorAttr, "rgb(38,38,38)");
rootElement->appendChild(body, ec);
RefPtr<Element> embedElement = document()->createElement(embedTag, false);
m_embedElement = static_cast<HTMLEmbedElement*>(embedElement.get());
m_embedElement->setAttribute(widthAttr, "100%");
m_embedElement->setAttribute(heightAttr, "100%");
m_embedElement->setAttribute(nameAttr, "plugin");
m_embedElement->setAttribute(srcAttr, document()->url().string());
DocumentLoader* loader = document()->loader();
ASSERT(loader);
if (loader)
m_embedElement->setAttribute(typeAttr, loader->writer()->mimeType());
static_cast<PluginDocument*>(document())->setPluginNode(m_embedElement);
body->appendChild(embedElement, ec);
}
void PluginDocumentParser::appendBytes(DocumentWriter*, const char*, int, bool)
{
ASSERT(!m_embedElement);
if (m_embedElement)
return;
createDocumentStructure();
Frame* frame = document()->frame();
if (!frame)
return;
Settings* settings = frame->settings();
if (!settings || !frame->loader()->subframeLoader()->allowPlugins(NotAboutToInstantiatePlugin))
return;
document()->updateLayout();
// Below we assume that renderer->widget() to have been created by
// document()->updateLayout(). However, in some cases, updateLayout() will
// recurse too many times and delay its post-layout tasks (such as creating
// the widget). Here we kick off the pending post-layout tasks so that we
// can synchronously redirect data to the plugin.
frame->view()->flushAnyPendingPostLayoutTasks();
if (RenderPart* renderer = m_embedElement->renderPart()) {
if (Widget* widget = renderer->widget()) {
frame->loader()->client()->redirectDataToPlugin(widget);
// In a plugin document, the main resource is the plugin. If we have a null widget, that means
// the loading of the plugin was cancelled, which gives us a null mainResourceLoader(), so we
// need to have this call in a null check of the widget or of mainResourceLoader().
frame->loader()->activeDocumentLoader()->mainResourceLoader()->setShouldBufferData(false);
}
}
finish();
}
PluginDocument::PluginDocument(Frame* frame, const KURL& url)
: HTMLDocument(frame, url)
, m_shouldLoadPluginManually(true)
{
setCompatibilityMode(QuirksMode);
lockCompatibilityMode();
}
PassRefPtr<DocumentParser> PluginDocument::createParser()
{
return PluginDocumentParser::create(this);
}
Widget* PluginDocument::pluginWidget()
{
if (m_pluginNode && m_pluginNode->renderer()) {
ASSERT(m_pluginNode->renderer()->isEmbeddedObject());
return toRenderEmbeddedObject(m_pluginNode->renderer())->widget();
}
return 0;
}
Node* PluginDocument::pluginNode()
{
return m_pluginNode.get();
}
void PluginDocument::detach()
{
// Release the plugin node so that we don't have a circular reference.
m_pluginNode = 0;
HTMLDocument::detach();
}
void PluginDocument::cancelManualPluginLoad()
{
// PluginDocument::cancelManualPluginLoad should only be called once, but there are issues
// with how many times we call beforeload on object elements. <rdar://problem/8441094>.
if (!shouldLoadPluginManually())
return;
frame()->loader()->activeDocumentLoader()->mainResourceLoader()->cancel();
setShouldLoadPluginManually(false);
}
}
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