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Refactor prev and next buttons

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This commit is contained in:
andrew 2023-07-03 17:41:30 +09:30
parent db4ff94084
commit 1d29b5465f
1 changed files with 31 additions and 16 deletions
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47
app/src/main/java/org/thoughtcrime/securesms/conversation/v2/MessageDetailActivity.kt
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@ -337,8 +337,10 @@ class MessageDetailActivity : PassphraseRequiredActionBarActivity() {
Column(verticalArrangement = Arrangement.spacedBy(16.dp)) {
Row {
if (imageAttachments.size >= 2) PrevButton(pagerState, modifier = Modifier.align(Alignment.CenterVertically))
else Spacer(modifier = Modifier.width(32.dp))
CarouselButtonOrSpace(
Direction.PREVIOUS,
pagerState,
modifier = Modifier.align(Alignment.CenterVertically))
Box(modifier = Modifier.weight(1f)) {
CellNoMargin {
HorizontalPager(state = pagerState) { i ->
@ -360,24 +362,39 @@ class MessageDetailActivity : PassphraseRequiredActionBarActivity() {
)
}
}
if (imageAttachments.size >= 2) NextButton(pagerState, modifier = Modifier.align(Alignment.CenterVertically))
else Spacer(modifier = Modifier.width(32.dp))
CarouselButtonOrSpace(
Direction.NEXT,
pagerState,
modifier = Modifier.align(Alignment.CenterVertically)
)
}
FileDetails(attachments, pagerState)
}
}
@OptIn(ExperimentalFoundationApi::class)
@Composable
fun PrevButton(pagerState: PagerState, modifier: Modifier = Modifier) {
CarouselButton(pagerState, modifier = modifier, enabled = pagerState.canScrollBackward, id = R.drawable.ic_prev, delta = -1)
enum class Direction constructor(
val enabled: (PagerState) -> Boolean,
@DrawableRes val id: Int,
val delta: Int
) {
PREVIOUS(
PagerState::canScrollBackward,
R.drawable.ic_prev,
-1
),
NEXT(
PagerState::canScrollForward,
R.drawable.ic_next,
1
)
}
@OptIn(ExperimentalFoundationApi::class)
@Composable
fun NextButton(pagerState: PagerState, modifier: Modifier = Modifier) {
CarouselButton(pagerState, modifier = modifier, enabled = pagerState.canScrollForward, id = R.drawable.ic_next, delta = 1)
fun CarouselButtonOrSpace(direction: Direction, pagerState: PagerState, modifier: Modifier = Modifier) {
if (pagerState.pageCount >= 2) CarouselButton(pagerState, modifier = modifier, direction = direction)
else Spacer(modifier = Modifier.width(32.dp))
}
@OptIn(ExperimentalFoundationApi::class)
@ -385,9 +402,7 @@ class MessageDetailActivity : PassphraseRequiredActionBarActivity() {
fun CarouselButton(
pagerState: PagerState,
modifier: Modifier = Modifier,
enabled: Boolean,
@DrawableRes id: Int,
delta: Int
direction: Direction
) {
val animationScope = rememberCoroutineScope()
pagerState.apply {
@ -395,10 +410,10 @@ class MessageDetailActivity : PassphraseRequiredActionBarActivity() {
modifier = Modifier
.width(40.dp)
.then(modifier),
enabled = enabled,
onClick = { animationScope.launch { animateScrollToPage(currentPage + delta) } }) {
enabled = direction.enabled(pagerState),
onClick = { animationScope.launch { animateScrollToPage(currentPage + direction.delta) } }) {
Icon(
painter = painterResource(id = id),
painter = painterResource(id = direction.id),
contentDescription = "",
)
}