RFR: 8307779: Relax the java.awt.Robot specification [v2]

[Alexander Zvegintsev]

On Wed, 10 May 2023 12:54:37 GMT, Kevin Rushforth <kcr at openjdk.org> wrote:

>> Alexander Zvegintsev has updated the pull request incrementally with two additional commits since the last revision:
>> 
>>  - rephrase wording about mouse pointer may not visually move
>>  - Remove mention of mouse cursor for screen capture
>
> src/java.desktop/share/classes/java/awt/Robot.java line 231:
> 
>> 229:      * @implNote the mouse pointer may not visually move on Linux systems
>> 230:      *           using Wayland, while the subsequent mousePress and mouseRelease
>> 231:      *           can be delivered to the correct location
> 
> Since Wayland is an example, maybe say something more like this?
> 
> "...may not visually move on some platforms, such as Linux systems using Wayland..."

Updated.
Probably this can be covered by the line 80:
`<li> ignoring or limiting specific requests for Robot generated (synthesized) events related to keyboard and mouse etc.</li>`

> src/java.desktop/share/classes/java/awt/Robot.java line 431:
> 
>> 429:      * to capture screen content, and the required permissions are not granted,
>> 430:      * then a {@code SecurityException} may be thrown,
>> 431:      * or the content of the returned {@code Color} is undefined.
> 
> Given that a `SecurityException` is only thrown on some platforms, is it worth throwing at all? Undefined colors can still occur, so I'm not sure I see much value in an exception. What do you envision that an application would do with the exception?

I agree, I'll try to come up with something less confusing.

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PR Review Comment: https://git.openjdk.org/jdk/pull/13809#discussion_r1189921904
PR Review Comment: https://git.openjdk.org/jdk/pull/13809#discussion_r1189941047