97 lines
3.6 KiB
C++
97 lines
3.6 KiB
C++
/*
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* Copyright (C) 2010 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include "AudioHardwareListener.h"
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#include "BridgeJSC.h"
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#include "PlatformLayer.h"
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#include "ScrollTypes.h"
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#include "Widget.h"
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#include <wtf/text/WTFString.h>
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#if PLATFORM(COCOA)
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typedef struct objc_object* id;
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#endif
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namespace JSC {
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class CallFrame;
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class JSGlobalObject;
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class JSObject;
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}
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namespace WebCore {
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class Scrollbar;
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// PluginViewBase is a widget that all plug-in views inherit from, both in Webkit and WebKit2.
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// It's intended as a stopgap measure until we can merge all plug-in views into a single plug-in view.
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class PluginViewBase : public Widget {
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public:
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virtual PlatformLayer* platformLayer() const { return 0; }
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#if PLATFORM(IOS_FAMILY)
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virtual bool willProvidePluginLayer() const { return false; }
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virtual void attachPluginLayer() { }
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virtual void detachPluginLayer() { }
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#endif
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virtual JSC::JSObject* scriptObject(JSC::JSGlobalObject*) { return 0; }
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virtual void storageBlockingStateChanged() { }
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virtual void privateBrowsingStateChanged(bool) { }
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virtual bool getFormValue(String&) { return false; }
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virtual bool scroll(ScrollDirection, ScrollGranularity) { return false; }
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// A plug-in can ask WebKit to handle scrollbars for it.
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virtual Scrollbar* horizontalScrollbar() { return 0; }
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virtual Scrollbar* verticalScrollbar() { return 0; }
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// FIXME: This is a hack that works around the fact that the WebKit2 PluginView isn't a ScrollableArea.
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virtual bool wantsWheelEvents() { return false; }
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virtual bool supportsKeyboardFocus() const { return false; }
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virtual bool shouldAllowNavigationFromDrags() const { return false; }
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bool isPluginViewBase() const override { return true; }
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virtual bool shouldNotAddLayer() const { return false; }
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virtual AudioHardwareActivityType audioHardwareActivity() const { return AudioHardwareActivityType::Unknown; }
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virtual void setJavaScriptPaused(bool) { }
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virtual RefPtr<JSC::Bindings::Instance> bindingInstance() { return nullptr; }
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virtual void willDetachRenderer() { }
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#if PLATFORM(COCOA)
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virtual id accessibilityAssociatedPluginParentForElement(Element*) const { return nullptr; }
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#endif
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protected:
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explicit PluginViewBase(PlatformWidget widget = 0) : Widget(widget) { }
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};
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} // namespace WebCore
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SPECIALIZE_TYPE_TRAITS_WIDGET(PluginViewBase, isPluginViewBase())
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