[webkit-help] Javascript problem when running on WebKit+Cairo+Win32

[Rick Xu]

I have tested it. In the line

setQuota(origin,3000);

3000 means bytes. So be careful when you set it for your database.

-Rick

2010/6/10 Rick Xu <rick.zhi.xu at gmail.com>:
> Hi Brent,
>
> The database creation problem has been solved. I believe the reason
> why I can't create a new database from javascript in webpage is the
> security quota. It must be greater than 0. But initially, it's set as
> 0. So, no new database will be allowed to create.
>
> The solution is quite similar to the approach described in the following link:
>
> http://lists.apple.com/archives/Webkitsdk-dev/2008/Apr/msg00027.html
>
> What I did is adding a line of code
>
>       setQuota(origin,3000);
>
> before the check
>
>        if (requirement <= quotaForOriginNoLock(origin))
>            return true;
>
> in the DatabaseTracker.cpp. Then, we can create the database successfully.
>
> But I am still a little bit confused about the "quota". I think 3000
> is quite a big number . What does it mean? the number of databases
> allowed to create? or the size of space allowed for database ?
>
> Best wishes,
>
> -Rick
>
>
> 2010/5/25 Brent Fulgham <bfulgham at gmail.com>:
>> Hi Rick,
>>
>> On Tue, May 25, 2010 at 12:13 PM, Rick Xu <rick.zhi.xu at gmail.com> wrote:
>>> But when I try to open a webpage with javascript using the generated
>>> browser. I found several problems:
>>
>> The WinLauncher utility isn't a true web browser; it's just a small
>> launcher application that wraps WebKit and allows simple testing that
>> rendering and other functions work properly.  Much of the
>> functionality you are hoping for is provided by the browser, and is
>> not implemented in WinLauncher.
>>
>>
>>> 1. When I right click on a URL address on the webpage and select "Open
>>> Link in New Window", nothing happened. It should open a new window and
>>> display the URL.
>>
>> No logic was included to launch new frames.  This might be controlled
>> by a preference, but I haven't looked into this as I did not need
>> separate windows for my program.
>>
>>> 2. It seems: "  alert("....")  " in javascript is not supported. A
>>> simple line as " alert("say hi"); "  will not pop up any alert window;
>>
>> WebKit is executing the alert; it's just that the default
>> implementation is a no-op. You need to provide a delegate to do
>> something with the alert message.  This is provided by the
>> "runJavaScriptAlertPanelWithMessage" delegate method, defined by the
>> IWebFrameLoadDelegate interface.  Take a look in the "include/WebKit"
>> folder after a build is complete to see the declarations for this
>> method.
>>
>>> 3. The SQLite database support. The line " db =
>>> openDatabase("NoteTest", "1.0", "HTML5 Database API example", 200000);
>>> " will get no response;
>>
>> I have not tried this functionality out.  I know some of the other
>> HTML5 test cases used to work, but I haven't looked at them recently.
>>
>> Thanks,
>>
>> -Brent
>>
>