* feat(reader): open image gallery & table zoom on single tap
In reflowable EPUBs, a single tap on an image or table now opens the same
viewer a long-press opens, so the image gallery / table zoom is reachable by
both gestures. Fixed-layout books (PDF/comics/manga) keep tap-to-turn, and
long-press is unchanged everywhere.
Reuses the existing iframe-long-press -> handleImagePress/handleTablePress
flow via a new shared detectMediaTarget() helper (also adopted by the
long-press path so the two entry points can't drift). handleClick now takes
an isFixedLayout flag; the tap branch sits after the link/footnote/drag/
long-hold/Word-Wise guards so linked images still follow links and a
long-hold or double-tap won't double-trigger.
Context: #4584 (single taps stop registering after picture zoom on some
WebView builds) - this adds a second, independent way into the viewer rather
than fixing that root cause.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
* refactor(reader): rename iframe-long-press message to iframe-open-media
The message is now posted for both a long-press (any book) and a single tap on
an image/table (reflowable books), so the long-press-specific name was
misleading. Rename the message type to `iframe-open-media` and the consumer
hook `useLongPressEvent` -> `useOpenMediaEvent`. The long-press detector
(`addLongPressListeners`/`handleLongPress`) keeps its name since it still
detects a long-press specifically.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Huang Xin
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