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SES-4282 - not all gifs are animated #1390

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Merged
merged 1 commit into from
Aug 1, 2025
Merged

SES-4282 - not all gifs are animated #1390

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10 changes: 5 additions & 5 deletions app/src/main/java/org/thoughtcrime/securesms/util/AnimatedImageUtils.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -12,14 +12,14 @@ object AnimatedImageUtils {
fun isAnimated(context: Context, uri: Uri): Boolean {
val mime = context.contentResolver.getType(uri)
return when (mime) {
"image/gif" -> true
"image/webp" -> isAnimatedWebP(context, uri) // not all WebPs are animated
"image/gif" -> isAnimatedImage(context, uri) // not all gifs are animated
"image/webp" -> isAnimatedImage(context, uri) // not all WebPs are animated
else -> false
}
}

private fun isAnimatedWebP(context: Context, uri: Uri): Boolean {
if (Build.VERSION.SDK_INT < 28) return isAnimatedWebPLegacy(context, uri)
private fun isAnimatedImage(context: Context, uri: Uri): Boolean {
if (Build.VERSION.SDK_INT < 28) return isAnimatedImageLegacy(context, uri)

var animated = false
val source = ImageDecoder.createSource(context.contentResolver, uri)
Expand All @@ -31,7 +31,7 @@ object AnimatedImageUtils {
return animated
}

private fun isAnimatedWebPLegacy(context: Context, uri: Uri): Boolean {
private fun isAnimatedImageLegacy(context: Context, uri: Uri): Boolean {
context.contentResolver.openInputStream(uri)?.use { input ->
val header = ByteArray(32)
if (input.read(header) != header.size) return false
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