moved region decoding responsibility to platform side

android/app/src/main/kotlin/deckers/thibault/aves/channel/calls/DeviceHandler.kt

@@ -12,6 +12,7 @@ import androidx.core.content.pm.ShortcutManagerCompat
 import com.google.android.material.color.DynamicColors
 import deckers.thibault.aves.channel.calls.Coresult.Companion.safe
 import deckers.thibault.aves.model.FieldMap
+import deckers.thibault.aves.utils.MimeTypes
 import io.flutter.plugin.common.MethodCall
 import io.flutter.plugin.common.MethodChannel
 import io.flutter.plugin.common.MethodChannel.MethodCallHandler
@@ -55,6 +56,7 @@ class DeviceHandler(private val context: Context) : MethodCallHandler {
                 "canUseCrypto" to (sdkInt >= Build.VERSION_CODES.LOLLIPOP),
                 "hasGeocoder" to Geocoder.isPresent(),
                 "isDynamicColorAvailable" to DynamicColors.isDynamicColorAvailable(),
+                "regionDecodableMimeTypes" to MimeTypes.supportedByBitmapRegionDecoder,
                 "showPinShortcutFeedback" to (sdkInt >= Build.VERSION_CODES.O),
                 "supportEdgeToEdgeUIMode" to (sdkInt >= Build.VERSION_CODES.Q),
             )

android/app/src/main/kotlin/deckers/thibault/aves/utils/MimeTypes.kt

@@ -163,4 +163,13 @@ object MimeTypes {
     }
 
     val TIFF_EXTENSION_PATTERN = Regex(".*\\.tiff?", RegexOption.IGNORE_CASE)
+
+    val supportedByBitmapRegionDecoder: List<String> = listOf(
+        // Android's `BitmapRegionDecoder` documentation states that "only the JPEG and PNG formats are supported"
+        // but in practice (tested on API 25, 27, 29), it successfully decodes the formats listed below,
+        // and it actually fails to decode GIF, DNG and animated WEBP. Other formats were not tested.
+        HEIC, HEIF, JPEG, PNG, WEBP, ARW, CR2, NEF, NRW, ORF, PEF, RAF, RW2, SRW,
+        // custom support
+        TIFF,
+    )
 }

lib/model/app/support.dart

@@ -20,28 +20,6 @@ class AppSupport {
 
   static bool canDecode(String mimeType) => !undecodableImages.contains(mimeType);
 
-  // Android's `BitmapRegionDecoder` documentation states that "only the JPEG and PNG formats are supported"
-  // but in practice (tested on API 25, 27, 29), it successfully decodes the formats listed below,
-  // and it actually fails to decode GIF, DNG and animated WEBP. Other formats were not tested.
-  static bool _supportedByBitmapRegionDecoder(String mimeType) => [
-        MimeTypes.heic,
-        MimeTypes.heif,
-        MimeTypes.jpeg,
-        MimeTypes.png,
-        MimeTypes.webp,
-        MimeTypes.arw,
-        MimeTypes.cr2,
-        MimeTypes.nef,
-        MimeTypes.nrw,
-        MimeTypes.orf,
-        MimeTypes.pef,
-        MimeTypes.raf,
-        MimeTypes.rw2,
-        MimeTypes.srw,
-      ].contains(mimeType);
-
-  static bool canDecodeRegion(String mimeType) => _supportedByBitmapRegionDecoder(mimeType) || mimeType == MimeTypes.tiff;
-
   // `exifinterface` v1.3.3 declared support for DNG, but it strips non-standard Exif tags when saving attributes,
   // and DNG requires DNG-specific tags saved along standard Exif. So it was actually breaking DNG files.
   static bool canEditExif(String mimeType) {

lib/model/device.dart

@@ -12,6 +12,7 @@ class Device {
   late final bool _canAuthenticateUser, _canGrantDirectoryAccess, _canPinShortcut;
   late final bool _canRenderFlagEmojis, _canRenderSubdivisionFlagEmojis, _canRequestManageMedia, _canSetLockScreenWallpaper, _canUseCrypto;
   late final bool _hasGeocoder, _isDynamicColorAvailable, _isTelevision, _showPinShortcutFeedback, _supportEdgeToEdgeUIMode, _supportPictureInPicture;
+  late final List<String> _regionDecodableMimeTypes;
 
   String get packageName => _packageName;
 
@@ -49,6 +50,8 @@ class Device {
 
   bool get supportPictureInPicture => _supportPictureInPicture;
 
+  bool canDecodeRegion(String mimeType) => _regionDecodableMimeTypes.contains(mimeType);
+
   Device._private();
 
   Future<void> init() async {
@@ -82,6 +85,7 @@ class Device {
     _canUseCrypto = capabilities['canUseCrypto'] ?? false;
     _hasGeocoder = capabilities['hasGeocoder'] ?? false;
     _isDynamicColorAvailable = capabilities['isDynamicColorAvailable'] ?? false;
+    _regionDecodableMimeTypes = (capabilities['regionDecodableMimeTypes'] ?? []).cast<String>();
     _showPinShortcutFeedback = capabilities['showPinShortcutFeedback'] ?? false;
     _supportEdgeToEdgeUIMode = capabilities['supportEdgeToEdgeUIMode'] ?? false;
   }

lib/model/entry/extensions/props.dart

@@ -2,6 +2,7 @@ import 'dart:io';
 import 'dart:ui';
 
 import 'package:aves/model/app/support.dart';
+import 'package:aves/model/device.dart';
 import 'package:aves/model/entry/entry.dart';
 import 'package:aves/model/settings/settings.dart';
 import 'package:aves/model/source/trash.dart';
@@ -127,7 +128,7 @@ extension ExtraAvesEntryProps on AvesEntry {
 
   bool get canDecode => AppSupport.canDecode(mimeType);
 
-  bool get canDecodeRegion => AppSupport.canDecodeRegion(mimeType) && !isAnimated;
+  bool get canDecodeRegion => device.canDecodeRegion(mimeType) && !isAnimated;
 
   bool get canEditExif => AppSupport.canEditExif(mimeType);
 

lib/widgets/debug/app_debug_page.dart

@@ -19,6 +19,7 @@ import 'package:aves/widgets/debug/app_debug_action.dart';
 import 'package:aves/widgets/debug/cache.dart';
 import 'package:aves/widgets/debug/colors.dart';
 import 'package:aves/widgets/debug/database.dart';
+import 'package:aves/widgets/debug/device.dart';
 import 'package:aves/widgets/debug/general.dart';
 import 'package:aves/widgets/debug/media_store_scan_dialog.dart';
 import 'package:aves/widgets/debug/report.dart';
@@ -75,6 +76,7 @@ class AppDebugPage extends StatelessWidget {
                 DebugCacheSection(),
                 DebugColorSection(),
                 DebugAppDatabaseSection(),
+                DebugDeviceSection(),
                 DebugErrorReportingSection(),
                 DebugSettingsSection(),
                 DebugStorageSection(),

lib/widgets/debug/device.dart

@@ -0,0 +1,51 @@
+import 'package:aves/model/device.dart';
+import 'package:aves/widgets/common/identity/aves_expansion_tile.dart';
+import 'package:aves/widgets/viewer/info/common.dart';
+import 'package:flutter/material.dart';
+
+class DebugDeviceSection extends StatefulWidget {
+  const DebugDeviceSection({super.key});
+
+  @override
+  State<DebugDeviceSection> createState() => _DebugDeviceSectionState();
+}
+
+class _DebugDeviceSectionState extends State<DebugDeviceSection> with AutomaticKeepAliveClientMixin {
+  @override
+  Widget build(BuildContext context) {
+    super.build(context);
+    return AvesExpansionTile(
+      title: 'Device',
+      children: [
+        Padding(
+          padding: const EdgeInsets.only(left: 8, right: 8, bottom: 8),
+          child: InfoRowGroup(
+            info: {
+              'packageName': device.packageName,
+              'packageVersion': device.packageVersion,
+              'userAgent': device.userAgent,
+              'canAuthenticateUser': '${device.canAuthenticateUser}',
+              'canGrantDirectoryAccess': '${device.canGrantDirectoryAccess}',
+              'canPinShortcut': '${device.canPinShortcut}',
+              'canRenderFlagEmojis': '${device.canRenderFlagEmojis}',
+              'canRenderSubdivisionFlagEmojis': '${device.canRenderSubdivisionFlagEmojis}',
+              'canRequestManageMedia': '${device.canRequestManageMedia}',
+              'canSetLockScreenWallpaper': '${device.canSetLockScreenWallpaper}',
+              'canUseCrypto': '${device.canUseCrypto}',
+              'canUseVaults': '${device.canUseVaults}',
+              'hasGeocoder': '${device.hasGeocoder}',
+              'isDynamicColorAvailable': '${device.isDynamicColorAvailable}',
+              'isTelevision': '${device.isTelevision}',
+              'showPinShortcutFeedback': '${device.showPinShortcutFeedback}',
+              'supportEdgeToEdgeUIMode': '${device.supportEdgeToEdgeUIMode}',
+              'supportPictureInPicture': '${device.supportPictureInPicture}',
+            },
+          ),
+        ),
+      ],
+    );
+  }
+
+  @override
+  bool get wantKeepAlive => true;
+}