Properly chain commands in MediaSessionStub

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The commands currently use a task and a postTask that are chained
together manually. In some cases, e.g. when adding MediaItems,
the postTask is already a chain of commands in itself.

To allow using the entire command handling as a single task
(for simplified queueing), we can change the implementation to
always create a single task. If multiple subtasks need to be
chained together, we can do that by wrapping the method calls.
In case a task is asynchronous, we can also use Futures to
chain them together.

Overall, this is just a refactoring and changes no logic.

Issue: androidx/media#85
PiperOrigin-RevId: 462085724
(cherry picked from commit 45f1f5b378)

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tonihei 2022-07-20 08:56:08 +00:00 committed by microkatz

parent 4cbbbc89c1

commit d84662e5ce

1 changed files with 197 additions and 420 deletions

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libraries/session/src/main/java/androidx/media3/session/MediaSessionStub.java

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