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Commit 092db13a authored by Caitlin Cassidy's avatar Caitlin Cassidy Committed by Automerger Merge Worker
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Merge "[Media] Allow a11y interactions to change seekbar position." into... 

Merge "[Media] Allow a11y interactions to change seekbar position." into tm-dev am: b1b22000 am: 8752d6d0

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17892724



Change-Id: I032297d7afd35950ebd6743d5e3c24ea027e4b03
Ignore-AOSP-First: this is an automerge
Signed-off-by: default avatarAutomerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
parents 355ca291 8752d6d0

packages/SystemUI/src/com/android/systemui/media/SeekBarViewModel.kt

+9 −1
Original line number Diff line number Diff line
@@ -151,13 +151,21 @@ class SeekBarViewModel @Inject constructor( 
    }



    /**

     * Event indicating that the user has moved the seek bar but hasn't yet finished the gesture.

     * Event indicating that the user has moved the seek bar.

     *

     * @param position Current location in the track.

     */

    @AnyThread

    fun onSeekProgress(position: Long) = bgExecutor.execute {

        if (scrubbing) {

            // The user hasn't yet finished their touch gesture, so only update the data for visual

            // feedback and don't update [controller] yet.

            _data = _data.copy(elapsedTime = position.toInt())

        } else {

            // The seek progress came from an a11y action and we should immediately update to the

            // new position. (a11y actions to change the seekbar position don't trigger

            // SeekBar.OnSeekBarChangeListener.onStartTrackingTouch or onStopTrackingTouch.)

            onSeek(position)

        }

    }

packages/SystemUI/tests/src/com/android/systemui/media/SeekBarViewModelTest.kt

+8 −4
Original line number Diff line number Diff line
@@ -375,16 +375,20 @@ public class SeekBarViewModelTest : SysuiTestCase() { 
    }



    @Test

    fun onProgressChangedFromUserWithoutStartTrackingTouch() {

        // WHEN user starts dragging the seek bar

    fun onProgressChangedFromUserWithoutStartTrackingTouch_transportUpdated() {

        whenever(mockController.transportControls).thenReturn(mockTransport)

        viewModel.updateController(mockController)

        val pos = 42

        val bar = SeekBar(context)



        // WHEN we get an onProgressChanged event without an onStartTrackingTouch event

        with(viewModel.seekBarListener) {

            onProgressChanged(bar, pos, true)

        }

        fakeExecutor.runAllReady()

        // THEN then elapsed time should not be updated

        assertThat(viewModel.progress.value!!.elapsedTime).isNull()



        // THEN we immediately update the transport

        verify(mockTransport).seekTo(pos.toLong())

    }



    @Test