136 lines
4.7 KiB
C++
136 lines
4.7 KiB
C++
/*
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* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
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* (C) 1999 Antti Koivisto (koivisto@kde.org)
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* Copyright (C) 2004-2019 Apple Inc. All rights reserved.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*
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*/
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#pragma once
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#include "HTMLFrameOwnerElement.h"
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#include "Image.h"
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#include "JSValueInWrappedObject.h"
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#include "RenderEmbeddedObject.h"
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namespace JSC {
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namespace Bindings {
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class Instance;
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}
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}
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namespace WebCore {
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class PluginReplacement;
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class RenderWidget;
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class Widget;
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class HTMLPlugInElement : public HTMLFrameOwnerElement {
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WTF_MAKE_ISO_ALLOCATED(HTMLPlugInElement);
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public:
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virtual ~HTMLPlugInElement();
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void resetInstance();
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JSC::Bindings::Instance* bindingsInstance();
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enum class PluginLoadingPolicy { DoNotLoad, Load };
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WEBCORE_EXPORT Widget* pluginWidget(PluginLoadingPolicy = PluginLoadingPolicy::Load) const;
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enum DisplayState {
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Playing,
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PreparingPluginReplacement,
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DisplayingPluginReplacement,
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};
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DisplayState displayState() const { return m_displayState; }
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void setDisplayState(DisplayState);
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JSC::JSObject* scriptObjectForPluginReplacement();
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#if PLATFORM(COCOA)
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JSValueInWrappedObject& pluginReplacementScriptObject() { return m_pluginReplacementScriptObject; }
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#endif
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bool isCapturingMouseEvents() const { return m_isCapturingMouseEvents; }
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void setIsCapturingMouseEvents(bool capturing) { m_isCapturingMouseEvents = capturing; }
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#if PLATFORM(IOS_FAMILY)
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bool willRespondToMouseMoveEvents() final { return false; }
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#endif
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bool willRespondToMouseClickEvents() final;
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virtual bool isPlugInImageElement() const = 0;
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bool isUserObservable() const;
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WEBCORE_EXPORT bool isBelowSizeThreshold() const;
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// Return whether or not the replacement content for blocked plugins is accessible to the user.
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WEBCORE_EXPORT bool setReplacement(RenderEmbeddedObject::PluginUnavailabilityReason, const String& unavailabilityDescription);
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WEBCORE_EXPORT bool isReplacementObscured();
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protected:
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HTMLPlugInElement(const QualifiedName& tagName, Document&);
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bool canContainRangeEndPoint() const override { return false; }
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void willDetachRenderers() override;
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bool hasPresentationalHintsForAttribute(const QualifiedName&) const override;
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void collectPresentationalHintsForAttribute(const QualifiedName&, const AtomString&, MutableStyleProperties&) override;
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virtual bool useFallbackContent() const { return false; }
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void defaultEventHandler(Event&) final;
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virtual bool requestObject(const String& url, const String& mimeType, const Vector<String>& paramNames, const Vector<String>& paramValues);
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RenderPtr<RenderElement> createElementRenderer(RenderStyle&&, const RenderTreePosition&) override;
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void didAddUserAgentShadowRoot(ShadowRoot&) final;
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// Subclasses should use guardedDispatchBeforeLoadEvent instead of calling dispatchBeforeLoadEvent directly.
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bool guardedDispatchBeforeLoadEvent(const String& sourceURL);
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// This will load the plugin if necessary.
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virtual RenderWidget* renderWidgetLoadingPlugin() const;
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private:
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void swapRendererTimerFired();
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bool shouldOverridePlugin(const String& url, const String& mimeType);
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bool dispatchBeforeLoadEvent(const String& sourceURL) = delete; // Generate a compile error if someone calls this by mistake.
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bool supportsFocus() const final;
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bool isKeyboardFocusable(KeyboardEvent*) const final;
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bool isPluginElement() const final;
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bool canLoadScriptURL(const URL&) const final;
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RefPtr<JSC::Bindings::Instance> m_instance;
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Timer m_swapRendererTimer;
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RefPtr<PluginReplacement> m_pluginReplacement;
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#if PLATFORM(COCOA)
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JSValueInWrappedObject m_pluginReplacementScriptObject;
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#endif
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bool m_isCapturingMouseEvents { false };
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bool m_inBeforeLoadEventHandler { false };
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DisplayState m_displayState { Playing };
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};
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} // namespace WebCore
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SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::HTMLPlugInElement)
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static bool isType(const WebCore::Node& node) { return node.isPluginElement(); }
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SPECIALIZE_TYPE_TRAITS_END()
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