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// Copyright (c) 2010 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef WEBKIT_GLUE_PLUGIN_PLUGIN_WEB_EVENT_CONVERTER_MAC_H_
#define WEBKIT_GLUE_PLUGIN_PLUGIN_WEB_EVENT_CONVERTER_MAC_H_
#include "third_party/npapi/bindings/npapi.h"
namespace WebKit {
class WebInputEvent;
class WebKeyboardEvent;
class WebMouseEvent;
class WebMouseWheelEvent;
}
// Utility class to translating WebInputEvent structs to equivalent structures
// suitable for sending to Mac plugins (via NPP_HandleEvent).
class PluginWebEventConverter {
public:
PluginWebEventConverter() {}
virtual ~PluginWebEventConverter() {}
// Initializes a converter for the given web event. Returns false if the event
// could not be converted.
virtual bool InitWithEvent(const WebKit::WebInputEvent& web_event);
// Returns a pointer to a plugin event--suitable for passing to
// NPP_HandleEvent--corresponding to the the web event this converter was
// created with. The pointer is valid only as long as this object is.
// Returns NULL iff InitWithEvent returned false.
virtual void* plugin_event() = 0;
protected:
// To be overridden by subclasses to store a converted plugin representation
// of the given web event, suitable for returning from plugin_event.
// Returns true if the event was successfully converted.
virtual bool ConvertKeyboardEvent(
const WebKit::WebKeyboardEvent& web_event) = 0;
virtual bool ConvertMouseEvent(const WebKit::WebMouseEvent& web_event) = 0;
virtual bool ConvertMouseWheelEvent(
const WebKit::WebMouseWheelEvent& web_event) = 0;
private:
DISALLOW_COPY_AND_ASSIGN(PluginWebEventConverter);
};
// Factory for generating PluginWebEventConverter objects by event model.
class PluginWebEventConverterFactory {
public:
// Returns a new PluginWebEventConverter corresponding to the given plugin
// event model.
static PluginWebEventConverter*
CreateConverterForModel(NPEventModel event_model);
private:
DISALLOW_COPY_AND_ASSIGN(PluginWebEventConverterFactory);
};
#endif // WEBKIT_GLUE_PLUGIN_PLUGIN_WEB_EVENT_CONVERTER_MAC_H_
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