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| 1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef WEBKIT_GLUE_PLUGIN_PLUGIN_WEB_EVENT_CONVERTER_MAC_H_ | |
| 6 #define WEBKIT_GLUE_PLUGIN_PLUGIN_WEB_EVENT_CONVERTER_MAC_H_ | |
| 7 | |
| 8 #include "third_party/npapi/bindings/npapi.h" | |
| 9 | |
| 10 namespace WebKit { | |
| 11 class WebInputEvent; | |
| 12 class WebKeyboardEvent; | |
| 13 class WebMouseEvent; | |
| 14 class WebMouseWheelEvent; | |
| 15 } | |
| 16 | |
| 17 // Utility class to translating WebInputEvent structs to equivalent structures | |
| 18 // suitable for sending to Mac plugins (via NPP_HandleEvent). | |
| 19 class PluginWebEventConverter { | |
| 20 public: | |
| 21 PluginWebEventConverter() {} | |
| 22 virtual ~PluginWebEventConverter() {} | |
| 23 | |
| 24 // Initializes a converter for the given web event. Returns false if the event | |
| 25 // could not be converted. | |
| 26 virtual bool InitWithEvent(const WebKit::WebInputEvent& web_event); | |
| 27 | |
| 28 // Returns a pointer to a plugin event--suitable for passing to | |
| 29 // NPP_HandleEvent--corresponding to the the web event this converter was | |
| 30 // created with. The pointer is valid only as long as this object is. | |
| 31 // Returns NULL iff InitWithEvent returned false. | |
| 32 virtual void* plugin_event() = 0; | |
| 33 | |
| 34 protected: | |
| 35 // To be overridden by subclasses to store a converted plugin representation | |
| 36 // of the given web event, suitable for returning from plugin_event. | |
| 37 // Returns true if the event was successfully converted. | |
| 38 virtual bool ConvertKeyboardEvent( | |
| 39 const WebKit::WebKeyboardEvent& web_event) = 0; | |
| 40 virtual bool ConvertMouseEvent(const WebKit::WebMouseEvent& web_event) = 0; | |
| 41 virtual bool ConvertMouseWheelEvent( | |
| 42 const WebKit::WebMouseWheelEvent& web_event) = 0; | |
| 43 | |
| 44 private: | |
| 45 DISALLOW_COPY_AND_ASSIGN(PluginWebEventConverter); | |
| 46 }; | |
| 47 | |
| 48 // Factory for generating PluginWebEventConverter objects by event model. | |
| 49 class PluginWebEventConverterFactory { | |
| 50 public: | |
| 51 // Returns a new PluginWebEventConverter corresponding to the given plugin | |
| 52 // event model. | |
| 53 static PluginWebEventConverter* | |
| 54 CreateConverterForModel(NPEventModel event_model); | |
| 55 | |
| 56 private: | |
| 57 DISALLOW_COPY_AND_ASSIGN(PluginWebEventConverterFactory); | |
| 58 }; | |
| 59 | |
| 60 #endif // WEBKIT_GLUE_PLUGIN_PLUGIN_WEB_EVENT_CONVERTER_MAC_H_ | |
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