[Android] Add window.open UCP delegation

platforms/android/lib/api/lib.api

@@ -630,7 +630,6 @@ public final class com/shopify/checkoutkit/Checkout$Companion {
 }
 
 public abstract interface class com/shopify/checkoutkit/CheckoutCommunicationClient {
-	public abstract fun openExternalUrl (Landroid/net/Uri;)Z
 	public abstract fun process (Ljava/lang/String;)Ljava/lang/String;
 }
 
@@ -669,7 +668,6 @@ public abstract interface class com/shopify/checkoutkit/CheckoutEventProcessor {
 	public abstract fun onCheckoutCanceled ()V
 	public abstract fun onCheckoutCompleted (Lcom/shopify/checkoutkit/lifecycleevents/CheckoutCompletedEvent;)V
 	public abstract fun onCheckoutFailed (Lcom/shopify/checkoutkit/CheckoutException;)V
-	public abstract fun onCheckoutLinkClicked (Landroid/net/Uri;)V
 	public abstract fun onGeolocationPermissionsHidePrompt ()V
 	public abstract fun onGeolocationPermissionsShowPrompt (Ljava/lang/String;Landroid/webkit/GeolocationPermissions$Callback;)V
 	public abstract fun onPermissionRequest (Landroid/webkit/PermissionRequest;)V
@@ -773,8 +771,6 @@ public final class com/shopify/checkoutkit/CheckoutProtocol {
 public final class com/shopify/checkoutkit/CheckoutProtocol$Client : com/shopify/checkoutkit/CheckoutCommunicationClient {
 	public fun <init> ()V
 	public final fun on (Lcom/shopify/checkoutkit/NotificationDescriptor;Lkotlin/jvm/functions/Function1;)Lcom/shopify/checkoutkit/CheckoutProtocol$Client;
-	public final fun onOpenExternalUrl (Lkotlin/jvm/functions/Function1;)Lcom/shopify/checkoutkit/CheckoutProtocol$Client;
-	public fun openExternalUrl (Landroid/net/Uri;)Z
 	public fun process (Ljava/lang/String;)Ljava/lang/String;
 }
 
@@ -1368,10 +1364,7 @@ public final class com/shopify/checkoutkit/CredentialResult$Companion {
 }
 
 public abstract class com/shopify/checkoutkit/DefaultCheckoutEventProcessor : com/shopify/checkoutkit/CheckoutEventProcessor {
-	public fun <init> (Landroid/content/Context;)V
-	public fun <init> (Landroid/content/Context;Lcom/shopify/checkoutkit/LogWrapper;)V
-	public synthetic fun <init> (Landroid/content/Context;Lcom/shopify/checkoutkit/LogWrapper;ILkotlin/jvm/internal/DefaultConstructorMarker;)V
-	public fun onCheckoutLinkClicked (Landroid/net/Uri;)V
+	public fun <init> ()V
 	public fun onGeolocationPermissionsHidePrompt ()V
 	public fun onGeolocationPermissionsShowPrompt (Ljava/lang/String;Landroid/webkit/GeolocationPermissions$Callback;)V
 	public fun onPermissionRequest (Landroid/webkit/PermissionRequest;)V

platforms/android/lib/src/main/java/com/shopify/checkoutkit/CheckoutCommunicationClient.kt

@@ -22,8 +22,6 @@
  */
 package com.shopify.checkoutkit
 
-import android.net.Uri
-
 /**
  * Implement this interface to handle Embedded Checkout Protocol (ECP) messages beyond
  * the built-in methods handled natively by the SDK.
@@ -34,20 +32,14 @@ public interface CheckoutCommunicationClient {
     /**
      * Process a JSON-RPC 2.0 ECP message from the checkout web page.
      *
-     * Called for all EC notifications (ec.start, ec.error, ec.complete, ec.*.change)
-     * and any unknown methods. For requests, return a JSON-RPC 2.0 response string;
-     * for notifications, return null (no response is sent).
+     * Called for EC notifications (ec.start, ec.error, ec.complete, ec.*.change) and
+     * any unknown methods the kit doesn't handle natively. Delegations such as
+     * `ec.window.open_request` are handled internally by the kit and are not forwarded
+     * here. For requests, return a JSON-RPC 2.0 response string; for notifications,
+     * return null (no response is sent).
      *
      * @param message JSON-RPC 2.0 encoded message string
      * @return JSON-RPC 2.0 encoded response string, or null to send no response
      */
     public fun process(message: String): String?
-
-    /**
-     * Called when checkout requests that a URL be opened externally (ec.window.open_request).
-     *
-     * @param url the URL checkout wants opened in an external browser or app
-     * @return true if the URL was handled and displayed externally, false otherwise
-     */
-    public fun openExternalUrl(url: Uri): Boolean
 }

platforms/android/lib/src/main/java/com/shopify/checkoutkit/CheckoutEventProcessor.kt

@@ -22,9 +22,6 @@
  */
 package com.shopify.checkoutkit
 
-import android.annotation.SuppressLint
-import android.content.Context
-import android.content.Intent
 import android.net.Uri
 import android.webkit.GeolocationPermissions
 import android.webkit.PermissionRequest
@@ -57,12 +54,6 @@ public interface CheckoutEventProcessor {
      */
     public fun onCheckoutCanceled()
 
-    /**
-     * Event indicating that a link has been clicked within checkout that should be opened outside
-     * of the WebView, e.g. in a system browser or email client. Protocols can be http/https/mailto/tel
-     */
-    public fun onCheckoutLinkClicked(uri: Uri)
-
     /**
      * A permission has been requested by the web chrome client, e.g. to access the camera
      */
@@ -103,10 +94,6 @@ internal class NoopEventProcessor : CheckoutEventProcessor {
         /* noop */
     }
 
-    override fun onCheckoutLinkClicked(uri: Uri) {
-        /* noop */
-    }
-
     override fun onShowFileChooser(
         webView: WebView,
         filePathCallback: ValueCallback<Array<Uri>>,
@@ -130,22 +117,9 @@ internal class NoopEventProcessor : CheckoutEventProcessor {
 
 /**
  * An abstract class that provides a default implementation of the CheckoutEventProcessor interface
- * for handling checkout events and interacting with the Android operating system.
- * @param context from which we will launch intents.
+ * for the optional permission and file-chooser callbacks. Override in subclasses as needed.
  */
-public abstract class DefaultCheckoutEventProcessor @JvmOverloads constructor(
-    private val context: Context,
-    private val log: LogWrapper = LogWrapper(),
-) : CheckoutEventProcessor {
-
-    override fun onCheckoutLinkClicked(uri: Uri) {
-        when (uri.scheme) {
-            "tel" -> context.launchPhoneApp(uri.schemeSpecificPart)
-            "mailto" -> context.launchEmailApp(uri.schemeSpecificPart)
-            "https", "http" -> context.launchBrowser(uri)
-            else -> context.tryLaunchDeepLink(uri)
-        }
-    }
+public abstract class DefaultCheckoutEventProcessor : CheckoutEventProcessor {
 
     override fun onPermissionRequest(permissionRequest: PermissionRequest) {
         // no-op override to implement
@@ -166,42 +140,4 @@ public abstract class DefaultCheckoutEventProcessor @JvmOverloads constructor(
     override fun onGeolocationPermissionsHidePrompt() {
         // no-op override to implement
     }
-
-    private fun Context.launchEmailApp(to: String) {
-        log.d(LOG_TAG, "Attempting to launch email app.")
-        val intent = Intent(Intent.ACTION_SEND)
-        intent.type = "vnd.android.cursor.item/email"
-        intent.putExtra(Intent.EXTRA_EMAIL, arrayOf(to))
-        startActivity(intent)
-    }
-
-    private fun Context.launchBrowser(uri: Uri) {
-        log.d(LOG_TAG, "Attempting to launch browser for $uri.")
-        val intent = Intent(Intent.ACTION_VIEW)
-        intent.data = uri
-        startActivity(intent)
-    }
-
-    private fun Context.launchPhoneApp(phone: String) {
-        log.d(LOG_TAG, "Attempting to launch phone app.")
-        val intent = Intent(Intent.ACTION_DIAL, Uri.fromParts("tel", phone, null))
-        startActivity(intent)
-    }
-
-    @SuppressLint("QueryPermissionsNeeded")
-    private fun Context.tryLaunchDeepLink(uri: Uri) {
-        log.d(LOG_TAG, "Attempting to launch deep link for uri $uri.")
-        val intent = Intent(Intent.ACTION_VIEW)
-        intent.data = uri
-        if (context.packageManager.queryIntentActivities(intent, 0).isNotEmpty()) {
-            startActivity(intent)
-        } else {
-            log.w(TAG, "Unrecognized scheme for link clicked in checkout '$uri'")
-        }
-    }
-
-    private companion object {
-        private const val LOG_TAG = "DefaultCheckoutEventProcessor"
-        private const val TAG = "DefaultCheckoutEventProcessor"
-    }
 }