Re: [webkit-dev] Is it OK to remove Frame::setIsDisconnected() and isDisconnected() ?

2012-04-09 Thread Adam Barth
On Wed, Apr 15, 2009 at 2:21 PM, Maciej Stachowiak m...@apple.com wrote:
On Apr 15, 2009, at 1:29 PM, Sverrir Á. Berg wrote:
 Hi Adam,
 Thanks for the links.  These are simply exposing the functions as a formal a
 API's.  I understand that you typically don't want to change externally
 exposed API's but these can easily be stubbed out (or removed).
 I should have pointed out in my original email that I have tried to remove
 these API's and I can still run all the WebKit/Mac tests fine.  So at least
 two things are missing (IMHO) - tests that verify that this functionality is
 working as intended and documentation to tell what that intent is.  But this
 is only required if somebody is actually using these functions...

 The API (system-private API actually, or SPI as we call it) in question is
 used by Safari. I don't believe it would be safe to remove this flag. The
 intent of the WebFrame API is that you can make a frame act (from the point
 of view of content inside it) as if it is a top-level frame, even though it
 is actually a subframe. One case where this might be useful is if you wanted
 to build a custom browser-like UI partially using HTML, which could then
 load pages as subframes without exposing that fact. It is true and
 unfortunate that we don't have tests - the ObjC API does not have as much
 test coverage as features exposed to Web content.

Pardon my thread necromancy, but is this SPI still used by Safari?  A
brief read through the code turns up tons of bugs related to this
feature.  Are these bugs important to fix?

Adam
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Re: [webkit-dev] Is it OK to remove Frame::setIsDisconnected() and isDisconnected() ?

2012-04-09 Thread Maciej Stachowiak

On Apr 9, 2012, at 12:27 PM, Adam Barth wrote:

 On Wed, Apr 15, 2009 at 2:21 PM, Maciej Stachowiak m...@apple.com wrote:
 On Apr 15, 2009, at 1:29 PM, Sverrir Á. Berg wrote:
 Hi Adam,
 Thanks for the links.  These are simply exposing the functions as a formal a
 API's.  I understand that you typically don't want to change externally
 exposed API's but these can easily be stubbed out (or removed).
 I should have pointed out in my original email that I have tried to remove
 these API's and I can still run all the WebKit/Mac tests fine.  So at least
 two things are missing (IMHO) - tests that verify that this functionality is
 working as intended and documentation to tell what that intent is.  But this
 is only required if somebody is actually using these functions...
 
 The API (system-private API actually, or SPI as we call it) in question is
 used by Safari. I don't believe it would be safe to remove this flag. The
 intent of the WebFrame API is that you can make a frame act (from the point
 of view of content inside it) as if it is a top-level frame, even though it
 is actually a subframe. One case where this might be useful is if you wanted
 to build a custom browser-like UI partially using HTML, which could then
 load pages as subframes without exposing that fact. It is true and
 unfortunate that we don't have tests - the ObjC API does not have as much
 test coverage as features exposed to Web content.
 
 Pardon my thread necromancy, but is this SPI still used by Safari?  

Yes. It is used by the Reader feature of Safari.

 A brief read through the code turns up tons of bugs related to this
 feature.  Are these bugs important to fix?

Hard to say, without knowing what the specific bugs are.

Regards,
Maciej

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Re: [webkit-dev] Is it OK to remove Frame::setIsDisconnected() and isDisconnected() ?

2012-04-09 Thread Adam Barth
On Mon, Apr 9, 2012 at 3:24 PM, Maciej Stachowiak m...@apple.com wrote:
 On Apr 9, 2012, at 12:27 PM, Adam Barth wrote:
 On Wed, Apr 15, 2009 at 2:21 PM, Maciej Stachowiak m...@apple.com wrote:
 On Apr 15, 2009, at 1:29 PM, Sverrir Á. Berg wrote:
 Hi Adam,
 Thanks for the links.  These are simply exposing the functions as a formal 
 a
 API's.  I understand that you typically don't want to change externally
 exposed API's but these can easily be stubbed out (or removed).
 I should have pointed out in my original email that I have tried to remove
 these API's and I can still run all the WebKit/Mac tests fine.  So at least
 two things are missing (IMHO) - tests that verify that this functionality 
 is
 working as intended and documentation to tell what that intent is.  But 
 this
 is only required if somebody is actually using these functions...

 The API (system-private API actually, or SPI as we call it) in question is
 used by Safari. I don't believe it would be safe to remove this flag. The
 intent of the WebFrame API is that you can make a frame act (from the point
 of view of content inside it) as if it is a top-level frame, even though it
 is actually a subframe. One case where this might be useful is if you wanted
 to build a custom browser-like UI partially using HTML, which could then
 load pages as subframes without exposing that fact. It is true and
 unfortunate that we don't have tests - the ObjC API does not have as much
 test coverage as features exposed to Web content.

 Pardon my thread necromancy, but is this SPI still used by Safari?

 Yes. It is used by the Reader feature of Safari.

 A brief read through the code turns up tons of bugs related to this
 feature.  Are these bugs important to fix?

 Hard to say, without knowing what the specific bugs are.

Ok.  I'll file the ones I noticed.

Thanks!
Adam
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Re: [webkit-dev] Is it OK to remove Frame::setIsDisconnected() and isDisconnected() ?

2009-04-15 Thread Adam Roben

On Apr 15, 2009, at 3:48 PM, Sverrir Á. Berg wrote:

Working on a change in FrameTree and noticed that the checks in  
top() and parent() for 'checkForDisconnectedFrame' rely on a flag in  
Frame that as far as I can tell is never set.
So my naive question is: Can I remove the corresponding code from  
Frame and FrameTree?  If not I would like if somebody could explain  
how they are used so I don't break anything with my change.


More detail:
* My search for calls to Frame::setIsDisconnected reveals no callers  
in WebKit, Chromium or Google code search.


There are two callers:

http://trac.webkit.org/browser/trunk/WebKit/mac/WebView/WebFrame.mm?rev=42451#L1115

and

http://trac.webkit.org/browser/trunk/WebKit/win/WebFrame.cpp?rev=42451#L283

-Adam

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Re: [webkit-dev] Is it OK to remove Frame::setIsDisconnected() and isDisconnected() ?

2009-04-15 Thread Sverrir Á . Berg
Hi Adam,Thanks for the links.  These are simply exposing the functions as a
formal a API's.  I understand that you typically don't want to change
externally exposed API's but these can easily be stubbed out (or removed).
I should have pointed out in my original email that I have tried to remove
these API's and I can still run all the WebKit/Mac tests fine.  So at least
two things are missing (IMHO) - tests that verify that this functionality is
working as intended and documentation to tell what that intent is.  But this
is only required if somebody is actually using these functions...

Thanks,
Sverrir


On Wed, Apr 15, 2009 at 4:17 PM, Adam Roben aro...@apple.com wrote:

 On Apr 15, 2009, at 3:48 PM, Sverrir Á. Berg wrote:

  Working on a change in FrameTree and noticed that the checks in top() and
 parent() for 'checkForDisconnectedFrame' rely on a flag in Frame that as far
 as I can tell is never set.
 So my naive question is: Can I remove the corresponding code from Frame
 and FrameTree?  If not I would like if somebody could explain how they are
 used so I don't break anything with my change.

 More detail:
 * My search for calls to Frame::setIsDisconnected reveals no callers in
 WebKit, Chromium or Google code search.


 There are two callers:


 http://trac.webkit.org/browser/trunk/WebKit/mac/WebView/WebFrame.mm?rev=42451#L1115

 and

 http://trac.webkit.org/browser/trunk/WebKit/win/WebFrame.cpp?rev=42451#L283

 -Adam


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Re: [webkit-dev] Is it OK to remove Frame::setIsDisconnected() and isDisconnected() ?

2009-04-15 Thread Maciej Stachowiak


On Apr 15, 2009, at 1:29 PM, Sverrir Á. Berg wrote:


Hi Adam,
Thanks for the links.  These are simply exposing the functions as a  
formal a API's.  I understand that you typically don't want to  
change externally exposed API's but these can easily be stubbed out  
(or removed).
I should have pointed out in my original email that I have tried to  
remove these API's and I can still run all the WebKit/Mac tests  
fine.  So at least two things are missing (IMHO) - tests that verify  
that this functionality is working as intended and documentation to  
tell what that intent is.  But this is only required if somebody is  
actually using these functions...


The API (system-private API actually, or SPI as we call it) in  
question is used by Safari. I don't believe it would be safe to remove  
this flag. The intent of the WebFrame API is that you can make a frame  
act (from the point of view of content inside it) as if it is a top- 
level frame, even though it is actually a subframe. One case where  
this might be useful is if you wanted to build a custom browser-like  
UI partially using HTML, which could then load pages as subframes  
without exposing that fact. It is true and unfortunate that we don't  
have tests - the ObjC API does not have as much test coverage as  
features exposed to Web content.


 - Maciej





Thanks,
Sverrir


On Wed, Apr 15, 2009 at 4:17 PM, Adam Roben aro...@apple.com wrote:
On Apr 15, 2009, at 3:48 PM, Sverrir Á. Berg wrote:

Working on a change in FrameTree and noticed that the checks in  
top() and parent() for 'checkForDisconnectedFrame' rely on a flag in  
Frame that as far as I can tell is never set.
So my naive question is: Can I remove the corresponding code from  
Frame and FrameTree?  If not I would like if somebody could explain  
how they are used so I don't break anything with my change.


More detail:
* My search for calls to Frame::setIsDisconnected reveals no callers  
in WebKit, Chromium or Google code search.


There are two callers:

http://trac.webkit.org/browser/trunk/WebKit/mac/WebView/WebFrame.mm?rev=42451#L1115

and

http://trac.webkit.org/browser/trunk/WebKit/win/WebFrame.cpp?rev=42451#L283

-Adam


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