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refactor: Refactor PagerPageHolder

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Ahmad Ansori Palembani 2024-06-12 10:54:13 +07:00
parent 644032190c
commit 9857ff943e
Signed by: null2264
GPG key ID: BA64F8B60AF3EFB6
1 changed files with 52 additions and 86 deletions
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138
app/src/main/java/eu/kanade/tachiyomi/ui/reader/viewer/pager/PagerPageHolder.kt
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@ -33,11 +33,13 @@ import eu.kanade.tachiyomi.util.system.ImageUtil.isPagePadded
import eu.kanade.tachiyomi.util.system.ThemeUtil
import eu.kanade.tachiyomi.util.system.bottomCutoutInset
import eu.kanade.tachiyomi.util.system.dpToPx
import eu.kanade.tachiyomi.util.system.e
import eu.kanade.tachiyomi.util.system.getResourceColor
import eu.kanade.tachiyomi.util.system.isInNightMode
import eu.kanade.tachiyomi.util.system.launchIO
import eu.kanade.tachiyomi.util.system.launchUI
import eu.kanade.tachiyomi.util.system.topCutoutInset
import eu.kanade.tachiyomi.util.system.withIOContext
import eu.kanade.tachiyomi.util.system.withUIContext
import eu.kanade.tachiyomi.util.view.backgroundColor
import eu.kanade.tachiyomi.util.view.isVisibleOnScreen
@ -87,41 +89,12 @@ class PagerPageHolder(
*/
private var loadJob: Job? = null
/**
* Job for status changes of the page.
*/
private var statusJob: Job? = null
/**
* Job for progress changes of the page.
*/
private var progressJob: Job? = null
/**
* Job for loading the page.
*/
private var extraLoadJob: Job? = null
/**
* Job for status changes of the page.
*/
private var extraStatusJob: Job? = null
/**
* Job for progress changes of the page.
*/
private var extraProgressJob: Job? = null
/**
* Job used to read the header of the image. This is needed in order to instantiate
* the appropriate image view depending if the image is animated (GIF).
*/
private var readImageHeaderJob: Job? = null
private var status = Page.State.READY
private var extraStatus = Page.State.READY
private var progress: Int = 0
private var extraProgress: Int = 0
private var scope = MainScope()
@ -190,12 +163,12 @@ class PagerPageHolder(
*/
override fun onDetachedFromWindow() {
super.onDetachedFromWindow()
loadJob?.cancel()
loadJob = null
extraLoadJob?.cancel()
extraLoadJob = null
cancelReadImageHeader()
(pageView as? SubsamplingScaleImageView)?.setOnImageEventListener(null)
}
@ -334,14 +307,6 @@ class PagerPageHolder(
}
}
/**
* Unsubscribes from the read image header subscription.
*/
private fun cancelReadImageHeader() {
readImageHeaderJob?.cancel()
readImageHeaderJob = null
}
/**
* Called when the page is queued.
*/
@ -369,7 +334,7 @@ class PagerPageHolder(
/**
* Called when the page is ready.
*/
private fun setImage() {
private suspend fun setImage() {
progressBar.isVisible = true
if (extraPage == null) {
progressBar.completeAndFadeOut()
@ -378,59 +343,60 @@ class PagerPageHolder(
}
errorLayout?.isVisible = false
cancelReadImageHeader()
val streamFn = page.stream ?: return
val streamFn2 = extraPage?.stream
readImageHeaderJob = scope.launchIO {
val streamFn = page.stream ?: return@launchIO
val streamFn2 = extraPage?.stream
var actualSource: BufferedSource? = null
try {
val source1 = streamFn().buffered(16).use { Buffer().readFrom(it) }
val source2 = streamFn2?.invoke()?.buffered(16)?.use { Buffer().readFrom(it) }
actualSource = this@PagerPageHolder.mergeOrSplitPages(source1, source2)
val isAnimated = ImageUtil.isAnimatedAndSupported(source1) ||
(source2?.let { ImageUtil.isAnimatedAndSupported(source2) } ?: false)
withUIContext {
val bgColor = ReaderBackgroundColor.fromPreference(viewer.config.readerTheme)
if (!isAnimated) {
if (bgColor.isSmartColor) {
val bgType = getBGType(viewer.config.readerTheme, context)
if (page.bg != null && page.bgType == bgType) {
setImage(actualSource, false, imageConfig)
pageView?.background = page.bg
}
// if the user switches to automatic when pages are already cached, the bg needs to be loaded
else {
val background =
try {
setBG(actualSource.peek().inputStream())
} catch (e: Exception) {
Logger.e(e) { e.localizedMessage?.toString() ?: "" }
ColorDrawable(Color.WHITE)
}
setImage(actualSource, false, imageConfig)
pageView?.background = background
page.bg = pageView?.background
page.bgType = bgType
}
} else {
setImage(actualSource, false, imageConfig)
}
try {
val (source, isAnimated, _bg) = withIOContext {
streamFn().buffered(16).use { source1 ->
if (extraPage != null) {
streamFn2?.invoke()
?.buffered(16)
} else {
setImage(actualSource, true, imageConfig)
if (bgColor.isSmartColor && page.bg != null) {
pageView?.background = page.bg
null
}.use { source2 ->
val actualSource = this@PagerPageHolder.mergeOrSplitPages(
Buffer().readFrom(source1),
source2?.let { Buffer().readFrom(it) },
)
val isAnimated = ImageUtil.isAnimatedAndSupported(actualSource)
val bgColor = ReaderBackgroundColor.fromPreference(viewer.config.readerTheme)
val bgType = getBGType(viewer.config.readerTheme, context)
val background = if (!isAnimated && bgColor.isSmartColor) {
if (page.bg != null && page.bgType == bgType) page.bg
else {
try {
setBG(actualSource.peek().inputStream())
} catch (e: Exception) {
Logger.e(e) { e.localizedMessage?.toString() ?: "" }
ColorDrawable(Color.WHITE)
}
}
} else if (bgColor.isSmartColor && page.bg != null) {
page.bg
} else {
null
}
Triple(actualSource, isAnimated, Pair(background, bgType))
}
}
} catch (_: Exception) {
try {
actualSource?.let { closeSources(it) }
} catch (_: Exception) {
}
withUIContext {
val (bg, bgType) = _bg
if (bg != null) pageView?.background = bg
if (!isAnimated && page.bg == null && page.bgType != bgType) {
page.bg = pageView?.background
page.bgType = bgType
}
setImage(source, isAnimated, imageConfig)
}
} catch (e: Exception) {
Logger.e(e)
withUIContext {
setError()
}
}
}