Various improvements

submodules/LegacyUI/Sources/LegacyController.swift

@@ -4,6 +4,9 @@ import Display
 import SwiftSignalKit
 import LegacyComponents
 import TelegramPresentationData
+import Camera
+import DeviceModel
+import TooltipUI
 
 public enum LegacyControllerPresentation {
     case custom
@@ -193,6 +196,11 @@ public final class LegacyControllerContext: NSObject, LegacyComponentsContext {
     public func forceStatusBarAppearanceUpdate() {
     }
     
+    public func cameraZoomLevels() -> [NSNumber]! {
+        let metrics = Camera.Metrics(model: DeviceModel.current)
+        return metrics.zoomLevels.map { NSNumber(value: $0) }
+    }
+    
     public func currentlyInSplitView() -> Bool {
         if let controller = self.controller as? LegacyController, let validLayout = controller.validLayout {
             return validLayout.isNonExclusive
@@ -258,6 +266,25 @@ public final class LegacyControllerContext: NSObject, LegacyComponentsContext {
         
     }
     
+    public func presentTooltip(_ text: String!, icon: UIImage!, sourceRect: CGRect) {
+        guard let context = legacyContextGet() else {
+            return
+        }
+        
+        let controller = TooltipScreen(
+            account: context.account,
+            sharedContext: context.sharedContext,
+            text: .plain(text: text),
+            style: .customBlur(UIColor(rgb: 0x18181a), 0.0),
+            icon: .image(icon),
+            location: .point(sourceRect, .bottom),
+            displayDuration: .custom(2.0),
+            shouldDismissOnTouch: { _, _ in
+            return .dismiss(consume: false)
+        })
+        context.sharedContext.presentGlobalController(controller, nil)
+    }
+    
     public func makeOverlayWindowManager() -> LegacyComponentsOverlayWindowManager! {
         return LegacyComponentsOverlayWindowManagerImpl(parentController: self.controller, theme: self.theme)
     }