* feat(mobile): tap behavior for next/previous image
This change enables switching to the next/previous photo in the photo
viewer by tapping the left/right quarter of the screen.
* Avoid animation on first/last image
* Add changes to asset_viewer.page
* Add setting for tap navigation, disable by default
Not everyone wants to have tapping for next/previous image enabled, so
this commit adds a settings toggle. Since it might be confusing behavior
for new users, it is disabled by default.
* chore: refactor
* fix: lint
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Co-authored-by: Alex Tran <alex.tran1502@gmail.com>
We were manually tracking whether gestures should be blocked, which was
a remnant of how the old code worked. This is no longer needed as we
have better heuristics for knowing whether we should skip drag updates
now.
Co-authored-by: Alex <alex.tran1502@gmail.com>
The drag intent was not set until it reached the kTouchSlop threshold.
This is not necessary as flutter already has its own heuristics for
preventing unintended drags.
The result of using kTouchSlop is that dismissing or scroll can feel a
little delayed, and will jump from 0 to kTouchSlop (18px) rather than
moving smoothly.
The existing implementation for showing asset details uses a bottom
sheet, and is not in sync with the preview or scroll intent. Other apps
use inline details, which is much cleaner and feels better to use.
