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/*
* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
* (C) 1999 Antti Koivisto (koivisto@kde.org)
* Copyright (C) 2004-2019 Apple Inc. All rights reserved.
*
* 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.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#pragma once
#include <WebCore/HTMLFrameOwnerElement.h>
#include <WebCore/Image.h>
#include <WebCore/JSValueInWrappedObject.h>
#include <WebCore/RenderEmbeddedObject.h>
#include <wtf/Platform.h>
namespace JSC {
namespace Bindings {
class Instance;
}
}
namespace WebCore {
class HTMLImageLoader;
class PluginReplacement;
class PluginViewBase;
class RenderWidget;
class VoidCallback;
enum class CreatePlugins : bool { No, Yes };
class HTMLPlugInElement : public HTMLFrameOwnerElement {
WTF_MAKE_TZONE_OR_ISO_ALLOCATED(HTMLPlugInElement);
WTF_OVERRIDE_DELETE_FOR_CHECKED_PTR(HTMLPlugInElement);
public:
virtual ~HTMLPlugInElement();
void resetInstance();
JSC::Bindings::Instance* bindingsInstance();
enum class PluginLoadingPolicy { DoNotLoad, Load };
WEBCORE_EXPORT PluginViewBase* pluginWidget(PluginLoadingPolicy = PluginLoadingPolicy::Load) const;
enum class DisplayState : uint8_t {
Playing,
PreparingPluginReplacement,
DisplayingPluginReplacement,
};
DisplayState displayState() const { return m_displayState; }
void setDisplayState(DisplayState);
bool isCapturingMouseEvents() const { return m_isCapturingMouseEvents; }
void setIsCapturingMouseEvents(bool capturing) { m_isCapturingMouseEvents = capturing; }
#if PLATFORM(IOS_FAMILY)
bool willRespondToMouseMoveEvents() const final { return false; }
#endif
bool willRespondToMouseClickEventsWithEditability(Editability) const final;
WEBCORE_EXPORT void pluginDestroyedWithPendingPDFTestCallback(RefPtr<VoidCallback>&&);
WEBCORE_EXPORT RefPtr<VoidCallback> takePendingPDFTestCallback();
RenderEmbeddedObject* renderEmbeddedObject() const;
virtual void updateWidget(CreatePlugins) = 0;
const String& serviceType() const { return m_serviceType; }
const String& url() const { return m_url; }
bool needsWidgetUpdate() const { return m_needsWidgetUpdate; }
void setNeedsWidgetUpdate(bool needsWidgetUpdate) { m_needsWidgetUpdate = needsWidgetUpdate; }
bool shouldBypassCSPForPDFPlugin(const String& contentType) const;
protected:
HTMLPlugInElement(const QualifiedName& tagName, Document&, OptionSet<TypeFlag> = { });
bool canContainRangeEndPoint() const override { return false; }
void willDetachRenderers() override;
bool hasPresentationalHintsForAttribute(const QualifiedName&) const override;
void collectPresentationalHintsForAttribute(const QualifiedName&, const AtomString&, MutableStyleProperties&) override;
virtual bool useFallbackContent() const { return false; }
InsertedIntoAncestorResult insertedIntoAncestor(InsertionType, ContainerNode& parentOfInsertedTree) override;
void removedFromAncestor(RemovalType, ContainerNode& oldParentOfRemovedTree) override;
void defaultEventHandler(Event&) final;
void didMoveToNewDocument(Document& oldDocument, Document& newDocument) override;
bool requestObject(const String& url, const String& mimeType, const Vector<AtomString>& paramNames, const Vector<AtomString>& paramValues);
RenderPtr<RenderElement> createElementRenderer(RenderStyle&&, const RenderTreePosition&) override;
bool isReplaced(const RenderStyle* = nullptr) const final;
void didAddUserAgentShadowRoot(ShadowRoot&) final;
// This will load the plugin if necessary.
virtual RenderWidget* renderWidgetLoadingPlugin() const;
bool isImageType();
HTMLImageLoader* imageLoader() { return m_imageLoader.get(); }
void updateImageLoaderWithNewURLSoon();
bool canLoadURL(const String& relativeURL) const;
bool wouldLoadAsPlugIn(const String& relativeURL, const String& serviceType);
void scheduleUpdateForAfterStyleResolution();
String m_serviceType;
String m_url;
private:
void swapRendererTimerFired();
bool shouldOverridePlugin(const String& url, const String& mimeType);
bool supportsFocus() const final;
bool isKeyboardFocusable(const FocusEventData&) const final;
bool isPluginElement() const final;
bool canLoadScriptURL(const URL&) const final;
bool canLoadPlugInContent(const String& relativeURL, const String& mimeType) const;
bool canLoadURL(const URL&) const;
RenderPtr<RenderElement> createPluginRenderer(RenderStyle&&, const RenderTreePosition&);
bool childShouldCreateRenderer(const Node&) const override;
void willRecalcStyle(OptionSet<Style::Change>) final;
void didRecalcStyle(OptionSet<Style::Change>) final;
void didAttachRenderers() final;
void prepareForDocumentSuspension() final;
void resumeFromDocumentSuspension() final;
void updateAfterStyleResolution();
constexpr static OptionSet<TypeFlag> pluginElementTypeFlags();
RefPtr<JSC::Bindings::Instance> m_instance;
Timer m_swapRendererTimer;
RefPtr<PluginReplacement> m_pluginReplacement;
bool m_isCapturingMouseEvents { false };
DisplayState m_displayState { DisplayState::Playing };
RefPtr<VoidCallback> m_pendingPDFTestCallback;
bool m_needsWidgetUpdate { false };
bool m_needsDocumentActivationCallbacks { false };
const std::unique_ptr<HTMLImageLoader> m_imageLoader;
bool m_needsImageReload { false };
bool m_hasUpdateScheduledForAfterStyleResolution { false };
};
} // namespace WebCore
SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::HTMLPlugInElement)
static bool isType(const WebCore::Node& node) { return node.isPluginElement(); }
SPECIALIZE_TYPE_TRAITS_END()
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