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FARR Plugins and Aliases / Re: plugin/JS communication????
« on: July 16, 2009, 05:02 PM »
This is getting strange. I removed all MessageBox()s and alert()s. Without a timeout, it stalls at displaying 2, meaning the plugin receives pcommand twice and calls the js twice, but doesnt receive anything after that. If I change line 10 in the JS above to
window.setTimeout( function() { document.getElementById("link").click(); },1000);
I get the numbers every second, in this order: 2 6 14 30 62 126 254 696
So the first 1000 milliseconds it managed two hits, then 4 in the second, then 8 in the third, 16 in the 4th, 32 in the 5th, etc.
2^n? wtf

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FARR Plugins and Aliases / Re: plugin/JS communication????
« on: July 16, 2009, 04:33 PM »
Ahh I thought pcommand was something you replace with your plugin name. Gotcha.

Unless I'm doing something wrong, this method of communicating via farr:// and Wb.ExecJavascript doesn't seem to be that robust. For example, a simple test page with
Code: HTML [Select]
  1. <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
  5. var timesrun = 0;
  6. function runthis(str)
  7. {
  8.         timesrun++;
  9.         document.getElementById("link").innerHTML = ""+timesrun;
  10.         document.getElementById("link").click();
  11. }
  14.  
  15. <a id="link" onclick="location.href=this.href" href="farr://pcommand RETURN something">Send return signal</a>
  16.  
  17. </body></html>
And then in the plugin
Code: C++ [Select]
  1. BOOL MyPlugin_SetStrVal(const char* varname, void *val)
  2.         {
  3.         // farr host will pass us function pointer we will call
  4.         if (strcmp(varname,DEF_FieldName_NotifySearchCallbackFp)==0)
  5.                 callbackfp_notifysearchstatechanged = (Fp_GlobalPluginCallback_NotifySearchStateChanged)val;
  6.  
  7.         std::string s(varname);
  8.         if (s.find("pcommand",0)!=std::string::npos)
  9.         {
  10.                 MessageBox(0,"Received message from javascript. Calling js function.",varname,0);
  11.                 callbackfp_set_strval(hostptr,"EmbeddedWb.ExecJavascript","runthis('something')");
  12.                 return TRUE;                    
  13.         }
  14.         return FALSE;
  15. }
Then igo [the html page].
Click the link, and at least for me, the link sends the farr:// command 3 times, but the plugin only receives it twice, and the loop isn't infinite as it should be.

I tried adding a delay in case windows doesn't handle executing protocols quickly or something, but to no avail.

I have a backup method with an XMLHttpRequest object if the above method isnt possible, but before I give up with it, any suggestions?

3
FARR Plugins and Aliases / Re: plugin/JS communication????
« on: July 16, 2009, 10:57 AM »
right now I'm just struggling to set up some basic communication.
Say I set the mode to html, tell it to load a file. The html file contains an anchor to farr://sendthisstring. I click it, but no function in my plugin is called (I set up a messagebox on everything). Suggestions?
BOOL MyPlugin_SetStrVal(const char* varname, void *val)
{
   // farr host will pass us function pointer we will call
   if (strcmp(varname,DEF_FieldName_NotifySearchCallbackFp)==0)
      callbackfp_notifysearchstatechanged = (Fp_GlobalPluginCallback_NotifySearchStateChanged)val;
     MessageBox(0,varname,"",0); //nothing about farr:// being clicked.
   return FALSE;
}

4
FARR Plugins and Aliases / Re: plugin/JS communication????
« on: July 12, 2009, 01:31 AM »
I should also ask...is there a maximum buffer for the JAVASCRIPT CALL TO MAKE?? say I want to send a huge string....
Or the return value?

5
FARR Plugins and Aliases / plugin/JS communication????
« on: July 12, 2009, 01:12 AM »
Hi all,
I know that a plugin can call "EmbeddedWb.ExecJavascript, JAVASCRIPT CALL TO MAKE" and can receive the immediate result via ExecJavascriptResult, but is it possible for a plugin to also receive a farr://string ?

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