[#5278][Android] persist webview state during session

.env

@@ -16,3 +16,4 @@ INSTABUG_SURVEYS=1
 GROUP_CHATS_ENABLED=0
 USE_SYM_KEY=0
 SPAM_BUTTON_DETECTION_ENABLED=1
+CACHED_WEBVIEWS_ENABLED=1

.env.jenkins

@@ -17,3 +17,4 @@ GROUP_CHATS_ENABLED=0
 USE_SYM_KEY=0
 SPAM_BUTTON_DETECTION_ENABLED=1
 MAINNET_WARNING_ENABLED=1
+CACHED_WEBVIEWS_ENABLED=1

mobile_files/package.json

@@ -56,7 +56,7 @@
     "react-native-tcp": "3.3.0",
     "react-native-testfairy": "2.10.0",
     "react-native-udp": "2.2.1",
-    "react-native-webview-bridge": "https://github.com/status-im/react-native-webview-bridge.git",
+    "react-native-webview-bridge": "git+https://github.com/status-im/react-native-webview-bridge.git#feature/cached-webviews",
     "realm": "2.3.3",
     "rn-snoopy": "https://github.com/status-im/rn-snoopy.git",
     "string_decoder": "0.10.31",

src/status_im/ui/components/webview_bridge.cljs

@@ -1,9 +1,28 @@
 (ns status-im.ui.components.webview-bridge
   (:require [reagent.core :as reagent]
-            [status-im.react-native.js-dependencies :as js-dependencies]))
+            [status-im.react-native.js-dependencies :as js-dependencies]
+            [reagent.core :as reagent.core]
+            [status-im.utils.platform :as platform]
+            [status-im.utils.config :as config]))
 
 (def webview-bridge-class
   (reagent/adapt-react-class (.-default js-dependencies/webview-bridge)))
 
-(defn webview-bridge [opts]
-  [webview-bridge-class opts])
+(def module (.-WebViewBridgeModule (.-NativeModules js-dependencies/react-native)))
+
+(defn webview-bridge [{:keys [dapp? dapp-name] :as opts}]
+  (if (and config/cached-webviews-enabled? platform/android? dapp?)
+    (reagent.core/create-class
+     (let [dapp-name-sent? (reagent.core/atom false)]
+       {:component-will-mount
+        (fn []
+          ;; unfortunately it's impossible to pass some initial params
+          ;; to view, that's why we have to pass dapp-name to the module
+          ;; before showing webview
+          (.setCurrentDapp module dapp-name
+                           (fn [] (reset! dapp-name-sent? true))))
+        :reagent-render
+        (fn [opts]
+          (when @dapp-name-sent?
+            [webview-bridge-class opts]))}))
+    [webview-bridge-class opts]))

src/status_im/ui/screens/browser/views.cljs

@@ -77,7 +77,7 @@
 (views/defview browser []
   (views/letsubs [webview    (atom nil)
                   {:keys [address]} [:get-current-account]
-                  {:keys [browser-id] :as browser} [:get-current-browser]
+                  {:keys [browser-id dapp? name] :as browser} [:get-current-browser]
                   {:keys [error? loading? url-editing? show-tooltip]} [:get :browser/options]
                   rpc-url    [:get :rpc-url]
                   network-id [:get-network-id]]
@@ -101,7 +101,9 @@
                                 :handler   #(re-frame/dispatch [:navigate-to-modal :wallet-modal])}]]]
        [react/view components.styles/flex
         [components.webview-bridge/webview-bridge
-         {:ref                                   #(reset! webview %)
+         {:dapp?                                 dapp?
+          :dapp-name                             name
+          :ref                                   #(reset! webview %)
           :source                                {:uri url}
           :java-script-enabled                   true
           :bounces                               false

src/status_im/utils/config.cljs

@@ -44,3 +44,4 @@
 (def spam-button-detection-enabled? (enabled? (get-config :SPAM_BUTTON_DETECTION_ENABLED "0")))
 (def mainnet-warning-enabled? (enabled? (get-config :MAINNET_WARNING_ENABLED 0)))
 (def in-app-notifications-enabled? (enabled? (get-config :IN_APP_NOTIFICATIONS_ENABLED 0)))
+(def cached-webviews-enabled? (enabled? (get-config :CACHED_WEBVIEWS_ENABLED 0)))