Fix that weird scrolling issue in ios when keyboard is shown

src-tauri/Cargo.toml

@@ -50,7 +50,7 @@ tauri-plugin-single-instance = { version = "2.0.0", features = ["deep-link"] }
 rfd = { version = "0.16", features = ["tokio"] }
 
 [target.'cfg(target_os = "ios")'.dependencies]
-tauri-plugin-ios-keyboard = "0.1"
+tauri-plugin-ios-keyboard = { path = "plugins/ios-keyboard" }
 tauri-plugin-share-sheet = { path = "plugins/share-sheet" }
 
 [target.'cfg(any(target_os = "ios", target_os = "android"))'.dependencies]

src-tauri/plugins/ios-keyboard/.tauri/tauri-api/.gitignore

@@ -0,0 +1,10 @@
+.DS_Store
+/.build
+/Packages
+/*.xcodeproj
+xcuserdata/
+DerivedData/
+.swiftpm/config/registries.json
+.swiftpm/xcode/package.xcworkspace/contents.xcworkspacedata
+.netrc
+Package.resolved

src-tauri/plugins/ios-keyboard/.tauri/tauri-api/Package.swift

@@ -0,0 +1,40 @@
+// swift-tools-version:5.3
+// Copyright 2019-2024 Tauri Programme within The Commons Conservancy
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-License-Identifier: MIT
+
+import PackageDescription
+
+let package = Package(
+  name: "Tauri",
+  platforms: [
+    .macOS(.v10_13),
+    .iOS(.v11),
+  ],
+  products: [
+    // Products define the executables and libraries a package produces, and make them visible to other packages.
+    .library(
+      name: "Tauri",
+      type: .static,
+      targets: ["Tauri"])
+  ],
+  dependencies: [
+    // Dependencies declare other packages that this package depends on.
+    .package(name: "SwiftRs", url: "https://github.com/Brendonovich/swift-rs", from: "1.0.0")
+  ],
+  targets: [
+    // Targets are the basic building blocks of a package. A target can define a module or a test suite.
+    // Targets can depend on other targets in this package, and on products in packages this package depends on.
+    .target(
+      name: "Tauri",
+      dependencies: [
+        .byName(name: "SwiftRs")
+      ],
+      path: "Sources"
+    ),
+    .testTarget(
+      name: "TauriTests",
+      dependencies: ["Tauri"]
+    ),
+  ]
+)

src-tauri/plugins/ios-keyboard/.tauri/tauri-api/README.md

@@ -0,0 +1,3 @@
+# Tauri
+
+Tauri iOS API.

src-tauri/plugins/ios-keyboard/.tauri/tauri-api/Sources/Tauri/Channel.swift

@@ -0,0 +1,65 @@
+// Copyright 2019-2024 Tauri Programme within The Commons Conservancy
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-License-Identifier: MIT
+
+import Foundation
+
+let CHANNEL_PREFIX = "__CHANNEL__:"
+let channelDataKey = CodingUserInfoKey(rawValue: "sendChannelData")!
+
+public class Channel: Decodable {
+  public let id: UInt64
+  let handler: (UInt64, String) -> Void
+
+  public required init(from decoder: Decoder) throws {
+    let container = try decoder.singleValueContainer()
+    let channelDef = try container.decode(String.self)
+
+    let components = channelDef.components(separatedBy: CHANNEL_PREFIX)
+    if components.count < 2 {
+      throw DecodingError.dataCorruptedError(
+        in: container,
+        debugDescription: "Invalid channel definition from \(channelDef)"
+      )
+
+    }
+    guard let channelId = UInt64(components[1]) else {
+      throw DecodingError.dataCorruptedError(
+        in: container,
+        debugDescription: "Invalid channel ID from \(channelDef)"
+      )
+    }
+
+    guard let handler = decoder.userInfo[channelDataKey] as? (UInt64, String) -> Void else {
+      throw DecodingError.dataCorruptedError(
+        in: container,
+        debugDescription: "missing userInfo for Channel handler. This is a Tauri issue"
+      )
+    }
+
+    self.id = channelId
+    self.handler = handler
+  }
+
+  func serialize(_ data: JsonValue) -> String {
+    do {
+      return try data.jsonRepresentation() ?? "\"Failed to serialize payload\""
+    } catch {
+      return "\"\(error)\""
+    }
+  }
+
+  public func send(_ data: JsonObject) {
+    send(.dictionary(data))
+  }
+
+  public func send(_ data: JsonValue) {
+    handler(id, serialize(data))
+  }
+
+  public func send<T: Encodable>(_ data: T) throws {
+    let json = try JSONEncoder().encode(data)
+    handler(id, String(decoding: json, as: UTF8.self))
+  }
+
+}

src-tauri/plugins/ios-keyboard/.tauri/tauri-api/Sources/Tauri/Invoke.swift

@@ -0,0 +1,118 @@
+// Copyright 2019-2024 Tauri Programme within The Commons Conservancy
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-License-Identifier: MIT
+
+import Foundation
+import UIKit
+
+@objc public class Invoke: NSObject {
+  public let command: String
+  let callback: UInt64
+  let error: UInt64
+  let data: String
+  let sendResponse: (UInt64, String?) -> Void
+  let sendChannelData: (UInt64, String) -> Void
+
+  public init(
+    command: String, callback: UInt64, error: UInt64,
+    sendResponse: @escaping (UInt64, String?) -> Void,
+    sendChannelData: @escaping (UInt64, String) -> Void, data: String
+  ) {
+    self.command = command
+    self.callback = callback
+    self.error = error
+    self.data = data
+    self.sendResponse = sendResponse
+    self.sendChannelData = sendChannelData
+  }
+
+  public func getRawArgs() -> String {
+    return self.data
+  }
+
+  public func getArgs() throws -> JSObject {
+    let jsonData = self.data.data(using: .utf8)!
+    let data = try JSONSerialization.jsonObject(with: jsonData, options: [])
+    return JSTypes.coerceDictionaryToJSObject(
+      (data as! NSDictionary), formattingDatesAsStrings: true)!
+  }
+
+  public func parseArgs<T: Decodable>(_ type: T.Type) throws -> T {
+    let jsonData = self.data.data(using: .utf8)!
+    let decoder = JSONDecoder()
+    decoder.userInfo[channelDataKey] = sendChannelData
+    return try decoder.decode(type, from: jsonData)
+  }
+
+  func serialize(_ data: JsonValue) -> String {
+    do {
+      return try data.jsonRepresentation() ?? "\"Failed to serialize payload\""
+    } catch {
+      return "\"\(error)\""
+    }
+  }
+
+  public func resolve() {
+    sendResponse(callback, nil)
+  }
+
+  public func resolve(_ data: JsonObject) {
+    resolve(.dictionary(data))
+  }
+
+  public func resolve(_ data: JsonValue) {
+    sendResponse(callback, serialize(data))
+  }
+
+  public func resolve<T: Encodable>(_ data: T) {
+    do {
+      let json = try JSONEncoder().encode(data)
+      sendResponse(callback, String(decoding: json, as: UTF8.self))
+    } catch {
+      sendResponse(self.error, "\"\(error)\"")
+    }
+  }
+
+  public func reject(
+    _ message: String, code: String? = nil, error: Error? = nil, data: JsonValue? = nil
+  ) {
+    let payload: NSMutableDictionary = [
+      "message": message
+    ]
+
+    if let code = code {
+      payload["code"] = code
+    }
+
+    if let error = error {
+      payload["error"] = error
+    }
+
+    if let data = data {
+      switch data {
+      case .dictionary(let dict):
+        for entry in dict {
+          payload[entry.key] = entry.value
+        }
+      }
+    }
+
+    sendResponse(self.error, serialize(.dictionary(payload as! JsonObject)))
+  }
+
+  public func unimplemented() {
+    unimplemented("not implemented")
+  }
+
+  public func unimplemented(_ message: String) {
+    reject(message)
+  }
+
+  public func unavailable() {
+    unavailable("not available")
+  }
+
+  public func unavailable(_ message: String) {
+    reject(message)
+  }
+}

src-tauri/plugins/ios-keyboard/.tauri/tauri-api/Sources/Tauri/JSTypes.swift

@@ -0,0 +1,123 @@
+// Copyright 2019-2024 Tauri Programme within The Commons Conservancy
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-License-Identifier: MIT
+
+import Foundation
+
+// declare our empty protocol, and conformance, for typing
+public protocol JSValue {}
+extension String: JSValue {}
+extension Bool: JSValue {}
+extension Int: JSValue {}
+extension Float: JSValue {}
+extension Double: JSValue {}
+extension NSNumber: JSValue {}
+extension NSNull: JSValue {}
+extension Array: JSValue {}
+extension Date: JSValue {}
+extension Dictionary: JSValue where Key == String, Value == JSValue {}
+
+// convenience aliases
+public typealias JSObject = [String: JSValue]
+public typealias JSArray = [JSValue]
+
+extension Dictionary where Key == String, Value == JSValue {
+  public func getValue(_ key: String) -> JSValue? {
+    return self[key]
+  }
+
+  public func getString(_ key: String) -> String? {
+    return self[key] as? String
+  }
+
+  public func getBool(_ key: String) -> Bool? {
+    return self[key] as? Bool
+  }
+
+  public func getInt(_ key: String) -> Int? {
+    return self[key] as? Int
+  }
+
+  public func getFloat(_ key: String) -> Float? {
+    if let floatValue = self[key] as? Float {
+      return floatValue
+    } else if let doubleValue = self[key] as? Double {
+      return Float(doubleValue)
+    }
+    return nil
+  }
+
+  public func getDouble(_ key: String) -> Double? {
+    return self[key] as? Double
+  }
+
+  public func getArray(_ key: String) -> JSArray? {
+    return self[key] as? JSArray
+  }
+
+  public func getObject(_ key: String) -> JSObject? {
+    return self[key] as? JSObject
+  }
+}
+
+/*
+ Simply casting objects from foundation class clusters (such as __NSArrayM)
+ doesn't work with the JSValue protocol and will always fail. So we need to
+ recursively and explicitly convert each value in the dictionary.
+ */
+public enum JSTypes {}
+extension JSTypes {
+  public static func coerceDictionaryToJSObject(
+    _ dictionary: NSDictionary?, formattingDatesAsStrings: Bool = false
+  ) -> JSObject? {
+    return coerceToJSValue(dictionary, formattingDates: formattingDatesAsStrings) as? JSObject
+  }
+
+  public static func coerceDictionaryToJSObject(
+    _ dictionary: [AnyHashable: Any]?, formattingDatesAsStrings: Bool = false
+  ) -> JSObject? {
+    return coerceToJSValue(dictionary, formattingDates: formattingDatesAsStrings) as? JSObject
+  }
+}
+
+private let dateStringFormatter = ISO8601DateFormatter()
+
+// We need a large switch statement because we have a lot of types.
+// swiftlint:disable:next cyclomatic_complexity
+private func coerceToJSValue(_ value: Any?, formattingDates: Bool) -> JSValue? {
+  guard let value = value else {
+    return nil
+  }
+  switch value {
+  case let stringValue as String:
+    return stringValue
+  case let numberValue as NSNumber:
+    return numberValue
+  case let boolValue as Bool:
+    return boolValue
+  case let intValue as Int:
+    return intValue
+  case let floatValue as Float:
+    return floatValue
+  case let doubleValue as Double:
+    return doubleValue
+  case let dateValue as Date:
+    if formattingDates {
+      return dateStringFormatter.string(from: dateValue)
+    }
+    return dateValue
+  case let nullValue as NSNull:
+    return nullValue
+  case let arrayValue as NSArray:
+    return arrayValue.compactMap { coerceToJSValue($0, formattingDates: formattingDates) }
+  case let dictionaryValue as NSDictionary:
+    let keys = dictionaryValue.allKeys.compactMap { $0 as? String }
+    var result: JSObject = [:]
+    for key in keys {
+      result[key] = coerceToJSValue(dictionaryValue[key], formattingDates: formattingDates)
+    }
+    return result
+  default:
+    return nil
+  }
+}