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Task/Issue URL: https://app.asana.com/0/1204167627774280/1209119202522826/f **Description**: Add handoff support using the C-S-S communication layer
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,103 @@ | ||
| // | ||
| // AIChatViewControllerManager.swift | ||
| // DuckDuckGo | ||
| // | ||
| // Copyright © 2025 DuckDuckGo. All rights reserved. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
| // | ||
|
|
||
| import UserScript | ||
| import AIChat | ||
| import Foundation | ||
| import BrowserServicesKit | ||
| import WebKit | ||
| import Core | ||
|
|
||
| protocol AIChatViewControllerManagerDelegate: AnyObject { | ||
| func aiChatViewControllerManager(_ manager: AIChatViewControllerManager, didRequestToLoad url: URL) | ||
| } | ||
|
|
||
| final class AIChatViewControllerManager { | ||
| weak var delegate: AIChatViewControllerManagerDelegate? | ||
| private var aiChatUserScript: AIChatUserScript? | ||
| private var payloadHandler = AIChatPayloadHandler() | ||
| private let privacyConfigurationManager: PrivacyConfigurationManaging | ||
| private let internalUserDecider: InternalUserDecider | ||
|
|
||
| init(privacyConfigurationManager: PrivacyConfigurationManaging = ContentBlocking.shared.privacyConfigurationManager, | ||
| internalUserDecider: InternalUserDecider = AppDependencyProvider.shared.internalUserDecider) { | ||
| self.privacyConfigurationManager = privacyConfigurationManager | ||
| self.internalUserDecider = internalUserDecider | ||
| } | ||
|
|
||
| @MainActor | ||
| lazy var aiChatViewController: AIChatViewController = { | ||
| let settings = AIChatSettings(privacyConfigurationManager: privacyConfigurationManager, | ||
| internalUserDecider: internalUserDecider) | ||
|
|
||
| let webviewConfiguration = WKWebViewConfiguration.persistent() | ||
| let userContentController = UserContentController() | ||
| userContentController.delegate = self | ||
|
|
||
| webviewConfiguration.userContentController = userContentController | ||
| let aiChatViewController = AIChatViewController(settings: settings, | ||
| webViewConfiguration: webviewConfiguration) | ||
| aiChatViewController.delegate = self | ||
| return aiChatViewController | ||
| }() | ||
|
|
||
| @MainActor | ||
| func openAIChat(_ query: URLQueryItem? = nil, payload: Any? = nil, on viewController: UIViewController) { | ||
| let roundedPageSheet = RoundedPageSheetContainerViewController( | ||
| contentViewController: aiChatViewController, | ||
| allowedOrientation: .portrait) | ||
|
|
||
| if let query = query { | ||
| aiChatViewController.loadQuery(query) | ||
| } | ||
|
|
||
| // Force a reload to trigger the user script getUserValues | ||
| if let payload = payload as? AIChatPayload { | ||
| payloadHandler.setPayload(payload) | ||
| aiChatViewController.reload() | ||
| } | ||
| viewController.present(roundedPageSheet, animated: true, completion: nil) | ||
| } | ||
| } | ||
|
|
||
| extension AIChatViewControllerManager: UserContentControllerDelegate { | ||
| @MainActor | ||
| func userContentController(_ userContentController: UserContentController, | ||
| didInstallContentRuleLists contentRuleLists: [String: WKContentRuleList], | ||
| userScripts: UserScriptsProvider, | ||
| updateEvent: ContentBlockerRulesManager.UpdateEvent) { | ||
|
|
||
| guard let userScripts = userScripts as? UserScripts else { fatalError("Unexpected UserScripts") } | ||
| self.aiChatUserScript = userScripts.aiChatUserScript | ||
| self.aiChatUserScript?.setPayloadHandler(self.payloadHandler) | ||
| } | ||
| } | ||
|
|
||
| // MARK: - AIChatViewControllerDelegate | ||
| extension AIChatViewControllerManager: AIChatViewControllerDelegate { | ||
| func aiChatViewController(_ viewController: AIChatViewController, didRequestToLoad url: URL) { | ||
| delegate?.aiChatViewControllerManager(self, didRequestToLoad: url) | ||
| viewController.dismiss(animated: true) | ||
| } | ||
|
|
||
| func aiChatViewControllerDidFinish(_ viewController: AIChatViewController) { | ||
| viewController.dismiss(animated: true) | ||
|
|
||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,66 @@ | ||
| // | ||
| // AIChatPayloadHandling.swift | ||
| // DuckDuckGo | ||
| // | ||
| // Copyright © 2025 DuckDuckGo. All rights reserved. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
| // | ||
|
|
||
| typealias AIChatPayload = [String: Any] | ||
|
|
||
| /// A protocol that defines a generic interface for handling payloads. | ||
| /// | ||
| /// Types conforming to `PayloadHandler` are responsible for managing a payload | ||
| /// of a specific type, including setting, consuming, and resetting the payload. | ||
| protocol AIChatPayloadHandling { | ||
| /// The type of payload that the handler manages. | ||
| associatedtype PayloadType | ||
|
|
||
| /// Sets the payload to be managed by the handler. | ||
| /// | ||
| /// - Parameter payload: The payload to be set. | ||
| func setPayload(_ payload: PayloadType) | ||
|
|
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| /// Consumes and returns the current payload. | ||
| /// | ||
| /// This method returns the current payload and resets the handler, | ||
| /// clearing the payload after it is consumed. | ||
| /// | ||
| /// - Returns: The current payload, or `nil` if no payload is set. | ||
| func consumePayload() -> PayloadType? | ||
|
|
||
| /// Resets the handler, clearing the current payload. | ||
| /// | ||
| /// After calling this method, the handler will no longer have a payload set. | ||
| func reset() | ||
| } | ||
|
|
||
| final class AIChatPayloadHandler: AIChatPayloadHandling { | ||
| typealias PayloadType = AIChatPayload | ||
|
|
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| private var payload: AIChatPayload? | ||
|
|
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| func setPayload(_ payload: AIChatPayload) { | ||
| self.payload = payload | ||
| } | ||
|
|
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| func consumePayload() -> AIChatPayload? { | ||
| defer { reset() } | ||
| return payload | ||
| } | ||
|
|
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| func reset() { | ||
| self.payload = nil | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,64 @@ | ||
| // | ||
| // AIChatScriptUserValues.swift | ||
| // DuckDuckGo | ||
| // | ||
| // Copyright © 2025 DuckDuckGo. All rights reserved. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
| // | ||
|
|
||
| import Foundation | ||
|
|
||
| public struct AIChatScriptUserValues: Codable { | ||
| let isAIChatHandoffEnabled: Bool | ||
| let platform: String | ||
| let aiChatPayload: AIChatPayload? | ||
|
|
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| enum CodingKeys: String, CodingKey { | ||
| case isAIChatHandoffEnabled | ||
| case platform | ||
| case aiChatPayload | ||
| } | ||
|
|
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| init(isAIChatHandoffEnabled: Bool, platform: String, aiChatPayload: [String: Any]?) { | ||
| self.isAIChatHandoffEnabled = isAIChatHandoffEnabled | ||
| self.platform = platform | ||
| self.aiChatPayload = aiChatPayload | ||
| } | ||
|
|
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| public init(from decoder: Decoder) throws { | ||
| let container = try decoder.container(keyedBy: CodingKeys.self) | ||
| isAIChatHandoffEnabled = try container.decode(Bool.self, forKey: .isAIChatHandoffEnabled) | ||
| platform = try container.decode(String.self, forKey: .platform) | ||
|
|
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| if let aiChatPayloadData = try? container.decodeIfPresent(Data.self, forKey: .aiChatPayload) { | ||
| aiChatPayload = try JSONSerialization.jsonObject(with: aiChatPayloadData, options: []) as? AIChatPayload | ||
| } else { | ||
| aiChatPayload = nil | ||
| } | ||
| } | ||
|
|
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| public func encode(to encoder: Encoder) throws { | ||
| var container = encoder.container(keyedBy: CodingKeys.self) | ||
| try container.encode(isAIChatHandoffEnabled, forKey: .isAIChatHandoffEnabled) | ||
| try container.encode(platform, forKey: .platform) | ||
|
|
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| if let aiChatPayload = aiChatPayload, | ||
| let data = try? JSONSerialization.data(withJSONObject: aiChatPayload, options: []), | ||
| let jsonString = String(data: data, encoding: .utf8) { | ||
| try container.encode(jsonString, forKey: .aiChatPayload) | ||
| } else { | ||
| try container.encodeNil(forKey: .aiChatPayload) | ||
| } | ||
| } | ||
| } |
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