Bill Cary wrote:
This might help:
If you are using WinLauncher to test your locally built WebKit.dll and you
notice it working with http ... it you try WinLauncher again, but this time
just type in the URL WITHOUT the leading http (e.g. try entering just
www.google.com) you'll probably notice that WinLauncher will also just
product an odd blank white rectangle.
If this is true for you, you are probably seeing the same effect that I've
seen. I suspect that under the hood, it doesn't really understand how to
parse what you are feeding into webkit unless it starts with http or https,
etc. So asking it to load file://... etc probably isn't causing it to
understand what to do. If you are using WinLauncher, if you look at
WinLauncher.cpp's code you can see that its an incredibly poorly written
Win32 app. I haven't traced the problem down yet, but it might be simple
enough to fix directly in WinLauncher.cpp's loadURL method.
I'm using something remotely similar to WinLauncher. It appears that
what's going on is that it's failing to use
MIMETypeRegistry::getMIMETypeForExtension() to determine the proper MIME
type for local files (for http scheme, the server supplies the MIME
type, of course).
When it calls WebView::canShowMIMEType() for, e.g.,
"file://localhost/C:/wherever/SomePhoto.jpg", instead of providing the
correct MIME type ("image/jpeg"), it's asking about
"application/octet-stream" -- which is, of course, not something it
knows how to render.
I'm stymied because the Apple WebKit port is using CoreFoundation
libraries, which are a black box as far as I'm concerned. I can't debug
them -- they're just third-party libraries without symbols or debugging
info, let alone source code...
I'm still plugging away. There must be some way to get it to use the
right MIME type...
-----Original Message-----
From: [email protected] [mailto:webkit-help-
[email protected]] On Behalf Of Russ Schnapp
Sent: Thursday, April 29, 2010 12:36 PM
To: [email protected]
Subject: [webkit-help] file: scheme on Windows?
I've got a strange problem that I'm trying to track down. I've got
WebKit.dll working in my Windows app, more or less. It renders http:
scheme URLs just fine. Put that same content on my local filesystem
and
all I get is a blank white rectangle. I've tried all the variants,
e.g., given a file at
C:\dir\foo.bar
I've tried
file://localhost/C:/dir/foo.bar
file://localhost/C|/dir/foo.bar
file:///C:/dir/foo.bar
file:///C|/dir/foo.bar
...all of which work with Safari and Firefox.
I'm using WebKit rev 57076.
Any suggestions?
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