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25 #ifndef PluginWidget_h
26 #define PluginWidget_h
28 #include "PlatformLayer.h"
29 #include "ScrollTypes.h"
31 #include <wtf/text/WTFString.h>
43 // PluginViewBase is a widget that all plug-in views inherit from, both in Webkit and WebKit2.
44 // It's intended as a stopgap measure until we can merge all plug-in views into a single plug-in view.
45 class PluginViewBase : public Widget {
47 #if USE(ACCELERATED_COMPOSITING)
48 virtual PlatformLayer* platformLayer() const { return 0; }
51 virtual JSC::JSObject* scriptObject(JSC::JSGlobalObject*) { return 0; }
52 virtual void storageBlockingStateChanged() { }
53 virtual void privateBrowsingStateChanged(bool) { }
54 virtual bool getFormValue(String&) { return false; }
55 virtual bool scroll(ScrollDirection, ScrollGranularity) { return false; }
57 // A plug-in can ask WebKit to handle scrollbars for it.
58 virtual Scrollbar* horizontalScrollbar() { return 0; }
59 virtual Scrollbar* verticalScrollbar() { return 0; }
61 // FIXME: This is a hack that works around the fact that the WebKit2 PluginView isn't a ScrollableArea.
62 virtual bool wantsWheelEvents() { return false; }
63 virtual bool supportsKeyboardFocus() const { return false; }
64 virtual bool canProcessDrag() const { return false; }
66 virtual bool shouldAlwaysAutoStart() const { return false; }
68 virtual bool shouldAllowNavigationFromDrags() const { return false; }
70 virtual bool isPluginViewBase() const { return true; }
73 explicit PluginViewBase(PlatformWidget widget = 0) : Widget(widget) { }
76 inline PluginViewBase* toPluginViewBase(Widget* widget)
78 ASSERT(!widget || widget->isPluginViewBase());
79 return static_cast<PluginViewBase*>(widget);
82 inline const PluginViewBase* toPluginViewBase(const Widget* widget)
84 ASSERT(!widget || widget->isPluginViewBase());
85 return static_cast<const PluginViewBase*>(widget);
88 // This will catch anyone doing an unnecessary cast.
89 void toPluginViewBase(const PluginViewBase*);
91 } // namespace WebCore
93 #endif // PluginWidget_h