95 lines
5.2 KiB
Rexx
95 lines
5.2 KiB
Rexx
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/*----------------------------------------------------------------------------*/
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/* */
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/* Copyright (c) 1995, 2004 IBM Corporation. All rights reserved. */
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/* Copyright (c) 2005-2022 Rexx Language Association. All rights reserved. */
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/* */
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/* This program and the accompanying materials are made available under */
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/* the terms of the Common Public License v1.0 which accompanies this */
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/* distribution. A copy is also available at the following address: */
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/* https://www.oorexx.org/license.html */
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/* */
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/* Redistribution and use in source and binary forms, with or */
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/* without modification, are permitted provided that the following */
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/* conditions are met: */
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/* */
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/* 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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/* Redistributions in binary form must reproduce the above copyright */
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/* notice, this list of conditions and the following disclaimer in */
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/* the documentation and/or other materials provided with the distribution. */
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/* */
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/* Neither the name of Rexx Language Association nor the names */
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/* of its contributors may be used to endorse or promote products */
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/* derived from this software without specific prior written permission. */
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/* */
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/* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS */
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/* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT */
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/* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS */
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/* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT */
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/* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, */
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/* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED */
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/* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, */
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/* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY */
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/* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING */
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/* 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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/*----------------------------------------------------------------------------*/
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/**********************************************************************/
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/* */
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/* MSInternetExplorer_events.rex: OLE Automation with ooRexx */
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/* */
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/* Using events with the Internet Explorer: */
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/* Navigate to the IBM homepage and disallow changing the URL to a */
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/* page not in that "address space". */
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/* */
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/**********************************************************************/
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/* instantiate an instance of the Internet Explorer */
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myIE = .watchedIE~new("InternetExplorer.Application","WITHEVENTS")
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myIE~visible = .true
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myIE~navigate("http://www.ibm.com/")
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/* wait for the OnQuit event of the browser to change */
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/* the !active attribute of the REXX object to false */
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myIE~!active = .true
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do while myIE~!active = .true
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call syssleep 2
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end
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/* this class is derived from OLEObject and contains several */
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/* methods that will be called when certain events take place. */
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::CLASS watchedIE SUBCLASS OLEObject
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/* this is an event of the Internet Explorer */
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::METHOD BeforeNavigate2
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/* these are the arguments of this event. Cancel is an out parameter and */
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/* will be set to the return value of the method when it was processed. */
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/* have a look at the documentation for a detailed description of events.*/
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use arg pDisp, URL, Flags, TargetFrameName, PostData, Headers, Cancel
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/* default: do not stop loading of this URL */
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stopLoading = .false
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/* if the target URL does not begin with "http://www.ibm.com/", don't */
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/* load it... try this by typing a different URL into the address field */
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/* when this sample is running. */
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if URL~substr(1,19) \= "http://www.ibm.com/" then do
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stopLoading = .true
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say "Refusing to load" URL
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end
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return stopLoading
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/* this is an event of the Internet Explorer */
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::METHOD TitleChange
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use arg Text
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say "The title has changed to:" text
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/* this is an event of the Internet Explorer */
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::METHOD OnQuit
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self~!active = .false -- terminates the waiting loop in main code
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::METHOD !active ATTRIBUTE -- store the active attribute
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