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Implement a cache for faster typeface resolution.

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This commit is contained in:
Alex Hart
2022-04-06 13:12:28 -03:00
committed by Cody Henthorne
parent 46bb64ad24
commit 6fb6092a6b
10 changed files with 139 additions and 29 deletions
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9
app/src/main/java/org/thoughtcrime/securesms/mediasend/v2/text/TextStoryPostCreationViewModel.kt
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@@ -17,6 +17,7 @@ import org.thoughtcrime.securesms.dependencies.ApplicationDependencies
import org.thoughtcrime.securesms.fonts.Fonts
import org.thoughtcrime.securesms.fonts.TextFont
import org.thoughtcrime.securesms.fonts.TextToScript
import org.thoughtcrime.securesms.fonts.TypefaceCache
import org.thoughtcrime.securesms.util.FutureTaskListener
import org.thoughtcrime.securesms.util.livedata.Store
import java.util.concurrent.ExecutionException
@@ -44,13 +45,7 @@ class TextStoryPostCreationViewModel : ViewModel() {
Observable.combineLatest(textFontSubject, scriptGuess, ::Pair)
.observeOn(Schedulers.io())
.distinctUntilChanged()
.map { (textFont, script) -> Fonts.resolveFont(ApplicationDependencies.getApplication(), textFont, script) }
.switchMap { result ->
when (result) {
is Fonts.FontResult.Async -> asyncFontEmitter(result)
is Fonts.FontResult.Immediate -> Observable.just(result.typeface)
}
}
.switchMapSingle { (textFont, script) -> TypefaceCache.get(ApplicationDependencies.getApplication(), textFont, script) }
.subscribeOn(Schedulers.io())
.subscribe {
internalTypeface.postValue(it)