Adds the SAML service button.

app/src/main/java/chat/rocket/android/authentication/login/presentation/LoginPresenter.kt

@@ -225,8 +225,19 @@ class LoginPresenter @Inject constructor(
                                 customOauthUrl,
                                 state,
                                 serviceName,
-                                getCustomOauthServiceNameColor(service),
-                                getCustomOauthButtonColor(service)
+                                getServiceNameColor(service),
+                                getServiceButtonColor(service)
+                            )
+                            totalSocialAccountsEnabled++
+                        }
+                    }
+
+                    getSamlServices(services).let {
+                        for (service in it) {
+                            view.addSamlServiceButton(
+                                getSamlServiceName(service),
+                                getServiceNameColor(service),
+                                getServiceButtonColor(service)
                             )
                             totalSocialAccountsEnabled++
                         }
@@ -324,6 +335,14 @@ class LoginPresenter @Inject constructor(
         }.toString()
     }
 
+    private fun getSamlServices(listMap: List<Map<String, Any>>): List<Map<String, Any>>  {
+        return listMap.filter { map -> map["name"] == "saml" }
+    }
+
+    private fun getSamlServiceName(service: Map<String, Any>): String {
+        return service["buttonLabelText"].toString()
+    }
+
     private fun getCustomOauthServices(listMap: List<Map<String, Any>>): List<Map<String, Any>>  {
         return listMap.filter { map -> map["custom"] == true }
     }
@@ -348,11 +367,11 @@ class LoginPresenter @Inject constructor(
         return service["scope"].toString()
     }
 
-    private fun getCustomOauthButtonColor(service: Map<String, Any>): Int {
+    private fun getServiceButtonColor(service: Map<String, Any>): Int {
         return service["buttonColor"].toString().parseColor()
     }
 
-    private fun getCustomOauthServiceNameColor(service: Map<String, Any>): Int {
+    private fun getServiceNameColor(service: Map<String, Any>): Int {
         return service["buttonLabelColor"].toString().parseColor()
     }
 

app/src/main/java/chat/rocket/android/authentication/login/presentation/LoginView.kt

@@ -74,7 +74,7 @@ interface LoginView : LoadingView, MessageView {
      * Enables and shows the oauth view if there is login via social accounts enabled by the server settings.
      *
      * REMARK: We must show at maximum *three* social accounts views ([enableLoginByFacebook], [enableLoginByGithub], [enableLoginByGoogle],
-     * [enableLoginByLinkedin], [enableLoginByMeteor], [enableLoginByTwitter], [enableLoginByGitlab] or [addCustomOauthServiceButton]) for the oauth view.
+     * [enableLoginByLinkedin], [enableLoginByMeteor], [enableLoginByTwitter], [enableLoginByGitlab], [addCustomOauthServiceButton] or [addSamlServiceButton]) for the oauth view.
      * If the possibility of login via social accounts exceeds 3 different ways we should set up the FAB ([setupFabListener]) to show the remaining view(s).
      */
     fun enableOauthView()
@@ -195,6 +195,16 @@ interface LoginView : LoadingView, MessageView {
         buttonColor: Int
     )
 
+    /**
+     *  Adds a SAML button in the oauth view.
+     *
+     * @serviceName The custom OAuth service name.
+     * @serviceNameColor The custom OAuth service name color (just stylizing).
+     * @buttonColor The color of the custom OAuth button (just stylizing).
+     * @see [enableOauthView]
+     */
+    fun addSamlServiceButton(serviceName: String, serviceNameColor: Int, buttonColor: Int)
+
     /**
      * Setups the FloatingActionButton to show more social accounts views (expanding the oauth view interface to show the remaining view(s)).
      */

app/src/main/java/chat/rocket/android/authentication/login/ui/LoginFragment.kt

@@ -385,7 +385,7 @@ class LoginFragment : Fragment(), LoginView {
         buttonColor: Int
     ) {
         ui { activity ->
-            val button = getCustomOauthButton(serviceName, serviceNameColor, buttonColor)
+            val button = getCustomServiceButton(serviceName, serviceNameColor, buttonColor)
             social_accounts_container.addView(button)
 
             button.setOnClickListener {
@@ -398,6 +398,26 @@ class LoginFragment : Fragment(), LoginView {
         }
     }
 
+    override fun addSamlServiceButton(
+        serviceName: String,
+        serviceNameColor: Int,
+        buttonColor: Int
+    ) {
+        ui { activity ->
+            val button = getCustomServiceButton(serviceName, serviceNameColor, buttonColor)
+            social_accounts_container.addView(button)
+
+            // TODO: Add the button listener with the SAML URL.
+            button.setOnClickListener {
+//                startActivityForResult(
+//                    activity.oauthWebViewIntent(customOauthUrl, state),
+//                    REQUEST_CODE_FOR_OAUTH
+//                )
+                activity.overridePendingTransition(R.anim.slide_up, R.anim.hold)
+            }
+        }
+    }
+
     override fun setupFabListener() {
         ui {
             button_fab.isVisible = true
@@ -496,9 +516,9 @@ class LoginFragment : Fragment(), LoginView {
     }
 
     /**
-     * Gets a stylized custom OAuth button.
+     * Gets a stylized custom service button.
      */
-    private fun getCustomOauthButton(
+    private fun getCustomServiceButton(
         buttonText: String,
         buttonTextColor: Int,
         buttonBgColor: Int