PagerPageHolder: lazy init loading indicator

Co-authored-by: ivan <12537387+ivaniskandar@users.noreply.github.com>
This commit is contained in:
AntsyLich 2024-09-02 21:13:52 +06:00
parent 8f9a325895
commit a45eb5e528
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@ -45,7 +45,7 @@ class PagerPageHolder(
/**
* Loading progress bar to indicate the current progress.
*/
private val progressIndicator: ReaderProgressIndicator = ReaderProgressIndicator(readerThemedContext)
private var progressIndicator: ReaderProgressIndicator? = null // = ReaderProgressIndicator(readerThemedContext)
/**
* Error layout to show when the image fails to load.
@ -60,7 +60,6 @@ class PagerPageHolder(
private var loadJob: Job? = null
init {
addView(progressIndicator)
loadJob = scope.launch { loadPageAndProcessStatus() }
}
@ -74,6 +73,13 @@ class PagerPageHolder(
loadJob = null
}
private fun initProgressIndicator() {
if (progressIndicator == null) {
progressIndicator = ReaderProgressIndicator(context)
addView(progressIndicator)
}
}
/**
* Loads the page and processes changes to the page's status.
*
@ -95,7 +101,7 @@ class PagerPageHolder(
Page.State.DOWNLOAD_IMAGE -> {
setDownloading()
page.progressFlow.collectLatest { value ->
progressIndicator.setProgress(value)
progressIndicator?.setProgress(value)
}
}
Page.State.READY -> setImage()
@ -109,7 +115,8 @@ class PagerPageHolder(
* Called when the page is queued.
*/
private fun setQueued() {
progressIndicator.show()
initProgressIndicator()
progressIndicator?.show()
removeErrorLayout()
}
@ -117,7 +124,8 @@ class PagerPageHolder(
* Called when the page is loading.
*/
private fun setLoading() {
progressIndicator.show()
initProgressIndicator()
progressIndicator?.show()
removeErrorLayout()
}
@ -125,7 +133,8 @@ class PagerPageHolder(
* Called when the page is downloading.
*/
private fun setDownloading() {
progressIndicator.show()
initProgressIndicator()
progressIndicator?.show()
removeErrorLayout()
}
@ -133,7 +142,7 @@ class PagerPageHolder(
* Called when the page is ready.
*/
private suspend fun setImage() {
progressIndicator.setProgress(0)
progressIndicator?.setProgress(0)
val streamFn = page.stream ?: return
@ -234,13 +243,13 @@ class PagerPageHolder(
* Called when the page has an error.
*/
private fun setError() {
progressIndicator.hide()
progressIndicator?.hide()
showErrorLayout()
}
override fun onImageLoaded() {
super.onImageLoaded()
progressIndicator.hide()
progressIndicator?.hide()
}
/**