On Wed, Jun 10, 2009 at 11:48 AM, Meryl Silverburgh <
[email protected]> wrote:

>
> From this document, it talks about Messaging between
>
> http://dev.chromium.org/developers/design-documents/displaying-a-web-page-in-chrome
>
> Can you please help me understand what is the Message Flow for an Alert
> Dialog?
>
> like in this case:
> <html><script> function f1() { var a = 1; alert("hello"); a = 2;};
> f1(); </script></html>
>
> I assume it is like this, please correct me if i am wrong:
> 1. Browser Process downloads the test page
> 2. Renderer Process gets the html source, parses the html and have v8
> executes script node
> 3. v8 pauses at 'alert' call, sends a message to Browser Process to
> pop up the alert dialog and Render Process blocked till it receives
> message from Browser.
> 4. Browser Process shows the alert dialog with the right message (in
> this case 'hello')
> 5. When user clicks 'Okay', browser process sends a message back to
> Renderer Process and v8 continues execute the rest of the Script node.
>
> Is this correct?


Yep this is pretty much what happens.  For more details, search
for ViewHostMsg_RunJavaScriptMessage


>
>
> Thank you for any clarificaiton.
>
> >
>

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