Preserve text-inputs default value

Signed-off-by: Vitaliy Vlasov <siphiuel@gmail.com>

components/src/status_im/ui/components/react.cljs

@@ -126,14 +126,18 @@
             [text-class (dissoc options-with-style :nested?)]
             nested-text-elements)))
 
-(def text-input-refs (atom #{}))
+;; We track all currently mounted text input refs
+;; in a ref-to-defaultValue map
+;; so that we can clear them (restore their default values)
+;; when global react-navigation's onWillBlur event is invoked
+(def text-input-refs (atom {}))
 
 (defn text-input
   [options text]
   (let [input-ref (atom nil)]
     (reagent/create-class
       {:component-will-unmount #(when @input-ref
-                                  (swap! text-input-refs disj @input-ref))
+                                  (swap! text-input-refs dissoc @input-ref))
        :reagent-render
        (fn [options text]
          [text-input-class
@@ -143,11 +147,10 @@
              :placeholder-text-color   colors/text-gray
              :placeholder              (i18n/label :t/type-a-message)
              :ref                      (fn [r] 
-                                         (if r
-                                           (when (nil? @input-ref)
-                                             (swap! text-input-refs conj r))
-                                           (when @input-ref
-                                             (swap! text-input-refs disj @input-ref)))
+                                         ;; Store input and its defaultValue
+                                         ;; one we receive a non-nil ref
+                                         (when (and r (nil? @input-ref))
+                                           (swap! text-input-refs assoc r (:default-value options)))
                                          (reset! input-ref r)
                                          (when (:ref options) 
                                            ((:ref options) r)))

src/status_im/ui/screens/add_new/new_chat/views.cljs

@@ -37,6 +37,9 @@
                                                   (re-frame/dispatch [:contact.ui/contact-code-submitted]))
                           :placeholder         (i18n/label :t/enter-contact-code)
                           :style               (add-new.styles/input @tw)
+                          ;; Set default-value as otherwise it will
+                          ;; be erased in global `onWillBlur` handler
+                          :default-value       new-identity
                           :accessibility-label :enter-contact-code-input
                           :return-key-type     :go}]]
       (when-not platform/desktop?

src/status_im/ui/screens/add_new/new_public_chat/view.cljs

@@ -34,6 +34,9 @@
        :auto-capitalize     :none
        :auto-focus          false
        :accessibility-label :chat-name-input
+       ;; Set default-value as otherwise it will
+       ;; be erased in global `onWillBlur` handler
+       :default-value       topic
        :placeholder         nil
        :return-key-type     :go
        :auto-correct        false}]]]

src/status_im/ui/screens/routing/core.cljs

@@ -40,8 +40,10 @@
     :on-will-blur
     (fn []
       (reset! screen-focused? false)
-      (doseq [text-input @react/text-input-refs]
-        (.clear text-input)))}])
+      ;; Reset currently mounted text inputs to their default values
+      ;; on navigating away; this is a privacy measure
+      (doseq [[text-input default-value] @react/text-input-refs]
+        (.setNativeProps text-input (clj->js {:text default-value}))))}])
 
 (defn wrap
   "Wraps screen with main view and adds navigation-events component"