[fenix] Fixes https://github.com/mozilla-mobile/fenix/issues/5225 - Hide AuthCustomTabActivity

app/src/main/AndroidManifest.xml

@@ -75,14 +75,6 @@
             android:taskAffinity=""
             android:windowSoftInputMode="adjustResize|stateAlwaysHidden" />
 
-        <activity
-            android:name=".customtabs.AuthCustomTabActivity"
-            android:autoRemoveFromRecents="false"
-            android:configChanges="keyboard|keyboardHidden|mcc|mnc|orientation|screenSize|locale|layoutDirection|smallestScreenSize|screenLayout"
-            android:exported="false"
-            android:taskAffinity=""
-            android:windowSoftInputMode="adjustResize|stateAlwaysHidden" />
-
         <activity android:name=".IntentReceiverActivity">
             <intent-filter>
                 <action android:name="android.intent.action.VIEW" />
@@ -185,6 +177,17 @@
             android:enabled="${isRaptorEnabled}"
             android:exported="${isRaptorEnabled}" />
 
+        <activity
+            android:name=".settings.account.AuthCustomTabActivity"
+            android:autoRemoveFromRecents="false"
+            android:configChanges="keyboard|keyboardHidden|mcc|mnc|orientation|screenSize|locale|layoutDirection|smallestScreenSize|screenLayout"
+            android:exported="false"
+            android:taskAffinity=""
+            android:windowSoftInputMode="adjustResize|stateAlwaysHidden" />
+
+        <activity android:name=".settings.account.AuthIntentReceiverActivity"
+            android:exported="false" />
+
         <activity android:name="com.google.android.gms.oss.licenses.OssLicensesMenuActivity"
             android:theme="@style/Theme.AppCompat.DayNight.DarkActionBar"/>
 

app/src/main/java/org/mozilla/fenix/IntentReceiverActivity.kt

@@ -13,8 +13,6 @@ import kotlinx.coroutines.MainScope
 import kotlinx.coroutines.launch
 import mozilla.components.feature.intent.processing.TabIntentProcessor
 import mozilla.components.support.utils.Browsers
-import org.mozilla.fenix.customtabs.AuthCustomTabActivity
-import org.mozilla.fenix.customtabs.AuthCustomTabActivity.Companion.EXTRA_AUTH_CUSTOM_TAB
 import org.mozilla.fenix.customtabs.ExternalAppBrowserActivity
 import org.mozilla.fenix.ext.components
 import org.mozilla.fenix.ext.settings
@@ -77,13 +75,7 @@ class IntentReceiverActivity : Activity() {
     private fun setIntentActivity(intent: Intent, tabIntentProcessor: TabIntentProcessor) {
         val openToBrowser = when {
             components.intentProcessors.externalAppIntentProcessors.any { it.matches(intent) } -> {
-                // TODO this needs to change: https://github.com/mozilla-mobile/fenix/issues/5225
-                val activityClass = if (intent.hasExtra(EXTRA_AUTH_CUSTOM_TAB)) {
-                    AuthCustomTabActivity::class
-                } else {
-                    ExternalAppBrowserActivity::class
-                }
-                intent.setClassName(applicationContext, activityClass.java.name)
+                intent.setClassName(applicationContext, ExternalAppBrowserActivity::class.java.name)
                 true
             }
             tabIntentProcessor.matches(intent) -> {

app/src/main/java/org/mozilla/fenix/components/IntentProcessors.kt

@@ -44,6 +44,10 @@ class IntentProcessors(
         TabIntentProcessor(sessionManager, sessionUseCases.loadUrl, searchUseCases.newTabSearch, isPrivate = true)
     }
 
+    val customTabIntentProcessor by lazy {
+        CustomTabIntentProcessor(sessionManager, sessionUseCases.loadUrl, context.resources)
+    }
+
     val externalAppIntentProcessors by lazy {
         listOf(
             TrustedWebActivityIntentProcessor(
@@ -55,7 +59,7 @@ class IntentProcessors(
                 store = customTabsStore
             ),
             WebAppIntentProcessor(sessionManager, sessionUseCases.loadUrl, ManifestStorage(context)),
-            CustomTabIntentProcessor(sessionManager, sessionUseCases.loadUrl, context.resources)
+            customTabIntentProcessor
         )
     }
 }

app/src/main/java/org/mozilla/fenix/settings/SupportUtils.kt

@@ -12,8 +12,8 @@ import mozilla.components.support.ktx.android.content.appVersionName
 import org.mozilla.fenix.BuildConfig
 import org.mozilla.fenix.IntentReceiverActivity
 import org.mozilla.fenix.R
-import org.mozilla.fenix.customtabs.AuthCustomTabActivity.Companion.EXTRA_AUTH_CUSTOM_TAB
 import org.mozilla.fenix.ext.getColorFromAttr
+import org.mozilla.fenix.settings.account.AuthIntentReceiverActivity
 import java.io.UnsupportedEncodingException
 import java.net.URLEncoder
 import java.util.Locale
@@ -68,11 +68,11 @@ object SupportUtils {
         .build()
         .intent
         .setData(url.toUri())
-        .setClassName(context.applicationContext, IntentReceiverActivity::class.java.name)
+        .setClassName(context, IntentReceiverActivity::class.java.name)
         .setPackage(context.packageName)
 
     fun createAuthCustomTabIntent(context: Context, url: String): Intent =
-        createCustomTabIntent(context, url).putExtra(EXTRA_AUTH_CUSTOM_TAB, true)
+        createCustomTabIntent(context, url).setClassName(context, AuthIntentReceiverActivity::class.java.name)
 
     private fun getEncodedTopicUTF8(topic: String): String {
         try {

app/src/main/java/org/mozilla/fenix/settings/account/AuthCustomTabActivity.kt

@@ -2,11 +2,12 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
-package org.mozilla.fenix.customtabs
+package org.mozilla.fenix.settings.account
 
 import mozilla.components.concept.sync.AccountObserver
 import mozilla.components.concept.sync.AuthType
 import mozilla.components.concept.sync.OAuthAccount
+import org.mozilla.fenix.customtabs.ExternalAppBrowserActivity
 import org.mozilla.fenix.ext.components
 
 /**
@@ -28,8 +29,4 @@ class AuthCustomTabActivity : ExternalAppBrowserActivity() {
         val accountManager = components.backgroundServices.accountManager
         accountManager.register(accountStateObserver, this, true)
     }
-
-    companion object {
-        const val EXTRA_AUTH_CUSTOM_TAB = "support.customtabs.extra.AUTH"
-    }
 }

app/src/main/java/org/mozilla/fenix/settings/account/AuthIntentReceiverActivity.kt

@@ -0,0 +1,39 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+package org.mozilla.fenix.settings.account
+
+import android.app.Activity
+import android.content.Intent
+import android.os.Bundle
+import androidx.annotation.VisibleForTesting
+import kotlinx.coroutines.MainScope
+import kotlinx.coroutines.launch
+import org.mozilla.fenix.HomeActivity
+import org.mozilla.fenix.ext.components
+
+/**
+ * Processes incoming intents and sends them to the corresponding activity.
+ */
+class AuthIntentReceiverActivity : Activity() {
+
+    @VisibleForTesting
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+
+        MainScope().launch {
+            // The intent property is nullable, but the rest of the code below
+            // assumes it is not. If it's null, then we make a new one and open
+            // the HomeActivity.
+            val intent = intent?.let { Intent(intent) } ?: Intent()
+            components.intentProcessors.customTabIntentProcessor.process(intent)
+            intent.setClassName(applicationContext, AuthCustomTabActivity::class.java.name)
+            intent.putExtra(HomeActivity.OPEN_TO_BROWSER, true)
+
+            startActivity(intent)
+
+            finish()
+        }
+    }
+}