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lightning-sunbird  0.9+nobinonly
EmbedEventHandling.h
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00001 /* -*- Mode: IDL; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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00003  * ***** BEGIN LICENSE BLOCK *****
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00011  * Software distributed under the License is distributed on an "AS IS" basis,
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00013  * for the specific language governing rights and limitations under the
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00015  *
00016  * The Original Code is the Mozilla browser.
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00018  * The Initial Developer of the Original Code is
00019  * Netscape Communications, Inc.
00020  * Portions created by the Initial Developer are Copyright (C) 1999
00021  * the Initial Developer. All Rights Reserved.
00022  *
00023  * Contributor(s):
00024  *   Conrad Carlen <ccarlen@netscape.com>
00025  *
00026  * Alternatively, the contents of this file may be used under the terms of
00027  * either the GNU General Public License Version 2 or later (the "GPL"), or
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00039 
00040 #ifndef __EmbedEventHandling__
00041 #define __EmbedEventHandling__
00042 
00043 #include "LAttachment.h"
00044 #include "LPeriodical.h"
00045 
00046 class nsIWidget;
00047 class nsIEventSink;
00048 
00049 
00050 //*****************************************************************************
00051 // class CEmbedEventAttachment
00052 //
00053 // Handles events for windows popped up by Gecko which are not LWindows
00054 //
00055 //*****************************************************************************   
00056 
00057 class  CEmbedEventAttachment : public LAttachment
00058 {
00059 public:
00060 
00061        enum { class_ID = FOUR_CHAR_CODE('GAWA') };
00062                             
00063                                                   CEmbedEventAttachment();   
00064        virtual                                    ~CEmbedEventAttachment();
00065        
00066        // LAttachment
00067        virtual       void                ExecuteSelf(MessageT         inMessage,
00068                                             void*                     ioParam);
00069                                                                                     
00070 protected:
00071     Boolean                     IsAlienGeckoWindow(WindowPtr inMacWindow);
00072   
00073     // utility routines for getting the toplevel widget and event sink
00074     // stashed in the properties of gecko windows.
00075     static void GetWindowEventSink ( WindowPtr aWindow, nsIEventSink** outSink ) ;
00076     static void GetTopWidget ( WindowPtr aWindow, nsIWidget** outWidget ) ;
00077 
00078     static WindowPtr            mLastAlienWindowClicked;
00079 };
00080 
00081 
00082 //*****************************************************************************
00083 // class CEmbedIdler
00084 //
00085 // LPeriodical idler which calls Gecko's idling
00086 //
00087 //*****************************************************************************   
00088 
00089 class CEmbedIdler : public LPeriodical
00090 {
00091 public:
00092                                 CEmbedIdler();
00093     virtual                     ~CEmbedIdler();
00094   
00095   // LPeriodical                      
00096        virtual       void                  SpendTime(const EventRecord& inMacEvent);
00097 };
00098 
00099 
00100 //*****************************************************************************
00101 // class CEmbedRepeater
00102 //
00103 // LPeriodical repeater which calls Gecko's repeaters
00104 //
00105 //*****************************************************************************   
00106 
00107 class CEmbedRepeater : public LPeriodical
00108 {
00109 public:
00110                                 CEmbedRepeater();
00111     virtual                     ~CEmbedRepeater();
00112   
00113   // LPeriodical                      
00114        virtual       void                  SpendTime(const EventRecord& inMacEvent);
00115 };
00116 
00117 
00118 //*****************************************************************************
00119 // Initialization Function - Call at application startup. 
00120 //*****************************************************************************
00121 
00122 void InitializeEmbedEventHandling(LApplication* theApplication);   
00123 
00124 #endif // __EmbedEventHandling__