Support custom themes

submodules/TelegramPresentationData/Sources/DefaultDayPresentationTheme.swift

@@ -250,10 +250,18 @@ public func customizeDefaultDayTheme(theme: PresentationTheme, editing: Bool, ti
             incoming: chat.message.incoming.withUpdated(
                 bubble: chat.message.incoming.bubble.withUpdated(
                     withWallpaper: chat.message.incoming.bubble.withWallpaper.withUpdated(
-                        stroke: incomingBubbleStrokeColor
+                        stroke: incomingBubbleStrokeColor,
+                        reactionInactiveBackground: accentColor?.withMultipliedAlpha(0.1),
+                        reactionInactiveForeground: accentColor,
+                        reactionActiveBackground: accentColor,
+                        reactionActiveForeground: .clear
                     ),
                     withoutWallpaper: chat.message.incoming.bubble.withoutWallpaper.withUpdated(
-                        stroke: incomingBubbleStrokeColor
+                        stroke: incomingBubbleStrokeColor,
+                        reactionInactiveBackground: accentColor?.withMultipliedAlpha(0.1),
+                        reactionInactiveForeground: accentColor,
+                        reactionActiveBackground: accentColor,
+                        reactionActiveForeground: .clear
                     )
                 ),
                 linkHighlightColor: accentColor?.withAlphaComponent(0.3),
@@ -278,12 +286,20 @@ public func customizeDefaultDayTheme(theme: PresentationTheme, editing: Bool, ti
                     withWallpaper: chat.message.outgoing.bubble.withWallpaper.withUpdated(
                         fill: outgoingBubbleFillColors,
                         highlightedFill: outgoingBubbleHighlightedFill,
-                        stroke: outgoingBubbleStrokeColor
+                        stroke: outgoingBubbleStrokeColor,
+                        reactionInactiveBackground: outgoingControlColor?.withMultipliedAlpha(0.1),
+                        reactionInactiveForeground: outgoingControlColor,
+                        reactionActiveBackground: outgoingControlColor,
+                        reactionActiveForeground: .clear
                     ),
                     withoutWallpaper: chat.message.outgoing.bubble.withoutWallpaper.withUpdated(
                         fill: outgoingBubbleFillColors,
                         highlightedFill: outgoingBubbleHighlightedFill,
-                        stroke: outgoingBubbleStrokeColor
+                        stroke: outgoingBubbleStrokeColor,
+                        reactionInactiveBackground: outgoingControlColor?.withMultipliedAlpha(0.1),
+                        reactionInactiveForeground: outgoingControlColor,
+                        reactionActiveBackground: outgoingControlColor,
+                        reactionActiveForeground: .clear
                     )
                 ),
                 primaryTextColor: outgoingPrimaryTextColor,

submodules/TelegramPresentationData/Sources/PresentationThemeCodable.swift

@@ -1101,6 +1101,7 @@ extension PresentationThemeBubbleColorComponents: Codable {
         case reactionInactiveFg
         case reactionActiveBg
         case reactionActiveFg
+        case __workaroundNonexistingKey
     }
     
     public convenience init(from decoder: Decoder) throws {
@@ -1122,15 +1123,50 @@ extension PresentationThemeBubbleColorComponents: Codable {
             fill = [fillColor, gradientColor]
         }
         
+        let fallbackKeyPrefix: String
+        if codingPath.hasPrefix("chat.message.incoming.") {
+            fallbackKeyPrefix = "chat.message.incoming."
+        } else {
+            fallbackKeyPrefix = "chat.message.outgoing."
+        }
+        
+        let reactionInactiveBackground: UIColor
+        if let color = try? decodeColor(values, .reactionInactiveBg) {
+            reactionInactiveBackground = color
+        } else {
+            reactionInactiveBackground = (try decodeColor(values, .__workaroundNonexistingKey, fallbackKey: "\(fallbackKeyPrefix).accentControl")).withMultipliedAlpha(0.1)
+        }
+        
+        let reactionInactiveForeground: UIColor
+        if let color = try? decodeColor(values, .reactionInactiveFg) {
+            reactionInactiveForeground = color
+        } else {
+            reactionInactiveForeground = try decodeColor(values, .__workaroundNonexistingKey, fallbackKey: "\(fallbackKeyPrefix).accentControl")
+        }
+        
+        let reactionActiveBackground: UIColor
+        if let color = try? decodeColor(values, .reactionActiveBg) {
+            reactionActiveBackground = color
+        } else {
+            reactionActiveBackground = try decodeColor(values, .__workaroundNonexistingKey, fallbackKey: "\(fallbackKeyPrefix).accentControl")
+        }
+        
+        let reactionActiveForeground: UIColor
+        if let color = try? decodeColor(values, .reactionActiveFg) {
+            reactionActiveForeground = color
+        } else {
+            reactionActiveForeground = .clear
+        }
+        
         self.init(
             fill: fill,
             highlightedFill: try decodeColor(values, .highlightedBg),
             stroke: try decodeColor(values, .stroke),
             shadow: try? values.decode(PresentationThemeBubbleShadow.self, forKey: .shadow),
-            reactionInactiveBackground: try decodeColor(values, .reactionInactiveBg),
+            reactionInactiveBackground: reactionInactiveBackground,
-            reactionInactiveForeground: try decodeColor(values, .reactionInactiveFg),
+            reactionInactiveForeground: reactionInactiveForeground,
-            reactionActiveBackground: try decodeColor(values, .reactionActiveBg),
+            reactionActiveBackground: reactionActiveBackground,
-            reactionActiveForeground: try decodeColor(values, .reactionActiveFg)
+            reactionActiveForeground: reactionActiveForeground
         )
     }