Sticker picker: pass dark/light theme

Change-Id: I3c0152cab2d991c4439c10834a06b4c2753510e1

FEATURES.md

@@ -32,6 +32,7 @@ Here you can find some extra features and changes compared to Element Android (w
 - Some different icons
 - Emoji-only messages with increased size: also for messages that have spaces between emojis
 - Also fallback to other user's avatar for 2-person-rooms not marked as DM
+- Pass theme to stickerpicker (tested with maunium-stickerpicker)
 - ...
 - Sometimes bug fixes for issues in Element, when found during internal testing
 - Sometimes additional bugs ;)

vector/src/main/java/im/vector/app/features/navigation/DefaultNavigator.kt

@@ -65,6 +65,7 @@ import im.vector.app.features.settings.VectorPreferences
 import im.vector.app.features.settings.VectorSettingsActivity
 import im.vector.app.features.share.SharedData
 import im.vector.app.features.terms.ReviewTermsActivity
+import im.vector.app.features.themes.ThemeUtils
 import im.vector.app.features.widgets.WidgetActivity
 import im.vector.app.features.widgets.WidgetArgsBuilder
 import org.matrix.android.sdk.api.session.crypto.verification.IncomingSasVerificationTransaction
@@ -279,7 +280,7 @@ class DefaultNavigator @Inject constructor(
                                    activityResultLauncher: ActivityResultLauncher<Intent>,
                                    roomId: String,
                                    widget: Widget) {
-        val widgetArgs = widgetArgsBuilder.buildStickerPickerArgs(roomId, widget)
+        val widgetArgs = widgetArgsBuilder.buildStickerPickerArgs(roomId, widget, ThemeUtils.getWidgetTheme(context))
         val intent = WidgetActivity.newIntent(context, widgetArgs)
         activityResultLauncher.launch(intent)
     }

vector/src/main/java/im/vector/app/features/themes/ThemeUtils.kt

@@ -125,6 +125,26 @@ object ThemeUtils {
         }
     }
 
+    /**
+     * @return true if current theme is black (darker than dark)
+     */
+    fun isBlackTheme(context: Context): Boolean {
+        return when (getApplicationTheme(context)) {
+            THEME_BLACK_VALUE,
+            THEME_SC_VALUE,
+            THEME_SC_COLORED_VALUE -> true
+            else                   -> false
+        }
+    }
+
+    fun getWidgetTheme(context: Context): String {
+        return when {
+            isLightTheme(context) -> "light"
+            isBlackTheme(context) -> "black"
+            else -> "dark"
+        }
+    }
+
     /**
      * Provides the selected application theme
      *

vector/src/main/java/im/vector/app/features/widgets/WidgetArgsBuilder.kt

@@ -44,7 +44,7 @@ class WidgetArgsBuilder @Inject constructor(private val sessionHolder: ActiveSes
     }
 
     @Suppress("UNCHECKED_CAST")
-    fun buildStickerPickerArgs(roomId: String, widget: Widget): WidgetArgs {
+    fun buildStickerPickerArgs(roomId: String, widget: Widget, theme: String): WidgetArgs {
         val widgetId = widget.widgetId
         val baseUrl = widget.computedUrl ?: throw IllegalStateException()
         return WidgetArgs(
@@ -54,7 +54,8 @@ class WidgetArgsBuilder @Inject constructor(private val sessionHolder: ActiveSes
                 widgetId = widgetId,
                 urlParams = mapOf(
                         "widgetId" to widgetId,
-                        "room_id" to roomId
+                        "room_id" to roomId,
+                        "theme" to theme
                 ).filterNotNull()
         )
     }