[feat] Comic Reader
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acite
182
app/src/main/java/com/acitelight/aether/view/ComicPageView.kt
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182
app/src/main/java/com/acitelight/aether/view/ComicPageView.kt
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package com.acitelight.aether.view
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import androidx.compose.animation.slideInVertically
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import androidx.compose.animation.slideOutVertically
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import androidx.compose.foundation.background
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import androidx.compose.foundation.clickable
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import androidx.compose.foundation.layout.Arrangement
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import androidx.compose.foundation.layout.Box
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import androidx.compose.foundation.layout.Row
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import androidx.compose.foundation.layout.fillMaxSize
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import androidx.compose.foundation.layout.fillMaxWidth
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import androidx.compose.foundation.layout.height
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import androidx.compose.foundation.layout.heightIn
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import androidx.compose.foundation.layout.padding
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import androidx.compose.foundation.layout.width
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import androidx.compose.foundation.layout.widthIn
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import androidx.compose.foundation.layout.wrapContentHeight
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import androidx.compose.foundation.lazy.LazyRow
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import androidx.compose.foundation.lazy.items
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import androidx.compose.foundation.lazy.itemsIndexed
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import androidx.compose.foundation.lazy.rememberLazyListState
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import androidx.compose.foundation.pager.HorizontalPager
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import androidx.compose.foundation.pager.rememberPagerState
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import androidx.compose.foundation.shape.RoundedCornerShape
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import androidx.compose.material3.Card
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import androidx.compose.material3.Text
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import androidx.compose.runtime.Composable
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import androidx.compose.runtime.getValue
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import androidx.compose.runtime.rememberCoroutineScope
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import androidx.compose.runtime.setValue
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import androidx.compose.ui.Alignment
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import androidx.compose.ui.Modifier
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import androidx.compose.ui.draw.clip
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import androidx.compose.ui.graphics.Brush
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import androidx.compose.ui.graphics.Color
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import androidx.compose.ui.layout.ContentScale
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import androidx.compose.ui.platform.LocalContext
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import androidx.compose.ui.text.font.FontWeight
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import androidx.compose.ui.unit.dp
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import androidx.compose.ui.unit.max
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import androidx.compose.ui.unit.sp
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import androidx.lifecycle.viewmodel.compose.viewModel
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import androidx.navigation.NavHostController
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import coil3.compose.AsyncImage
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import coil3.request.ImageRequest
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import com.acitelight.aether.ToggleFullScreen
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import com.acitelight.aether.viewModel.ComicPageViewModel
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import kotlinx.coroutines.launch
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@Composable
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fun ComicPageView(comicId: String, page: String, navController: NavHostController, comicPageViewModel: ComicPageViewModel = viewModel())
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{
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comicPageViewModel.SetupClient()
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comicPageViewModel.Resolve(comicId.hexToString(), page.toInt())
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val title by comicPageViewModel.title
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val pagerState = rememberPagerState(initialPage = page.toInt(), pageCount = { comicPageViewModel.pageList.size })
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var showPlane by comicPageViewModel.showPlane
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Box()
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{
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HorizontalPager(
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state = pagerState,
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modifier = Modifier.fillMaxSize().align(Alignment.Center).background(Color.Black).clickable(){
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showPlane = !showPlane
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}
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) {
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page ->
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AsyncImage(
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model = ImageRequest.Builder(LocalContext.current)
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.data(comicPageViewModel.comic!!.getPage(page))
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.memoryCacheKey("${comicPageViewModel.comic!!.id}/${page}")
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.diskCacheKey("${comicPageViewModel.comic!!.id}/${page}")
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.build(),
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contentDescription = null,
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imageLoader = comicPageViewModel.imageLoader!!,
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modifier = Modifier.padding(8.dp).fillMaxSize(),
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contentScale = ContentScale.Fit,
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)
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}
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androidx.compose.animation.AnimatedVisibility(
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visible = showPlane,
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enter = slideInVertically(initialOffsetY = { fullHeight -> -fullHeight }),
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exit = slideOutVertically(targetOffsetY = { fullHeight -> -fullHeight }),
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modifier = Modifier
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.align(Alignment.TopCenter)
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){
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Box()
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{
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Box(modifier = Modifier.height(180.dp).align(Alignment.TopCenter).fillMaxWidth().background(
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brush = Brush.verticalGradient(
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colors = listOf(
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Color.Black.copy(alpha = 0.75f),
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Color.Transparent,
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))))
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Row(modifier = Modifier
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.fillMaxWidth()
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.padding(top = 18.dp).padding(horizontal = 12.dp)
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.height(60.dp)
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.align(Alignment.TopCenter)
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.background(Color(0x90FFFFFF), shape = RoundedCornerShape(12.dp)))
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{
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Text(
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text = title,
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fontSize = 20.sp,
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fontWeight = FontWeight.Bold,
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color = Color.Black,
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maxLines = 1,
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modifier = Modifier.padding(8.dp).padding(horizontal = 10.dp).weight(1f).align(Alignment.CenterVertically)
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)
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Text(
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text = "${pagerState.currentPage + 1}/${pagerState.pageCount}",
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fontSize = 24.sp,
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fontWeight = FontWeight.Bold,
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color = Color.Black,
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maxLines = 1,
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modifier = Modifier.padding(8.dp).widthIn(120.dp).align(Alignment.CenterVertically)
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)
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}
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}
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}
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androidx.compose.animation.AnimatedVisibility(
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visible = showPlane,
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enter = slideInVertically(initialOffsetY = { fullHeight -> fullHeight }),
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exit = slideOutVertically(targetOffsetY = { fullHeight -> fullHeight }),
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modifier = Modifier
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.align(Alignment.BottomCenter)
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)
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{
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Box{
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Box(modifier = Modifier.height(360.dp).align(Alignment.BottomCenter).fillMaxWidth().background(
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brush = Brush.verticalGradient(
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colors = listOf(
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Color.Transparent,
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Color.Black.copy(alpha = 0.90f),
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))))
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LazyRow (state = comicPageViewModel.listState!!, modifier = Modifier
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.fillMaxWidth()
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.padding(bottom = 18.dp).padding(horizontal = 12.dp)
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.height(240.dp)
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.align(Alignment.BottomCenter)
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.background(Color(0x90999999), shape = RoundedCornerShape(12.dp)))
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{
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items(comicPageViewModel.pageList.size)
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{
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r ->
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Card(
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shape = RoundedCornerShape(12.dp),
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modifier = Modifier
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.fillMaxWidth()
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.wrapContentHeight()
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.padding(horizontal = 6.dp).padding(vertical = 6.dp),
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onClick = {
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pagerState.requestScrollToPage(page = r)
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}
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){
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AsyncImage(
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model = ImageRequest.Builder(LocalContext.current)
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.data(comicPageViewModel.comic!!.getPage(r))
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.memoryCacheKey("${comicPageViewModel.comic!!.id}/${r}")
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.diskCacheKey("${comicPageViewModel.comic!!.id}/${r}")
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.build(),
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contentDescription = null,
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imageLoader = comicPageViewModel.imageLoader!!,
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modifier = Modifier
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.fillMaxSize()
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.clip(RoundedCornerShape(12.dp)),
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contentScale = ContentScale.Fit,
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)
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}
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}
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}
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}
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}
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}
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}
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