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Fix back button navigation 

Former-commit-id: f32547aaf8
This commit is contained in:
virvar 2016-03-21 18:17:10 +03:00
parent b69ddbe651
commit fb4e8e0bdd
1 changed files with 17 additions and 15 deletions
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32
src/messenger/android/core.cljs
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@ -1,9 +1,9 @@
(ns messenger.android.core (ns messenger.android.core
(:require-macros (:require-macros
[natal-shell.components :refer [navigator view text image touchable-highlight list-view [natal-shell.components :refer [navigator view text image touchable-highlight
toolbar-android]] list-view toolbar-android]]
[natal-shell.data-source :refer [data-source clone-with-rows]] [natal-shell.data-source :refer [data-source clone-with-rows]]
[natal-shell.back-android :refer [add-event-listener]] [natal-shell.back-android :refer [add-event-listener remove-event-listener]]
[natal-shell.core :refer [with-error-view]] [natal-shell.core :refer [with-error-view]]
[natal-shell.alert :refer [alert]]) [natal-shell.alert :refer [alert]])
(:require [om.next :as om :refer-macros [defui]] (:require [om.next :as om :refer-macros [defui]]
@ -21,19 +21,21 @@
(def app-registry (.-AppRegistry js/React)) (def app-registry (.-AppRegistry js/React))
(def initialized-atom (atom false)) (def back-button-handler-atom (atom {:nav nil
:handler nil}))
(defn init-back-button-handler! [nav] (defn init-back-button-handler! [nav]
(if (not @initialized-atom) (let [back-button-handler @back-button-handler-atom]
(swap! initialized-atom (when (not= (:nav back-button-handler) nav)
(fn [initialized] (remove-event-listener "hardwareBackPress" (:handler back-button-handler))
(when (not initialized) (let [new-listener (fn []
(add-event-listener "hardwareBackPress" (binding [state/*nav-render* false]
(fn [] (when (< 1 (.-length (.getCurrentRoutes nav)))
(binding [state/*nav-render* false] (.pop nav)
(when (< 1 (.-length (.getCurrentRoutes nav))) true)))]
(.pop nav) (reset! back-button-handler-atom {:nav nav
true))))) :handler new-listener})
true)))) (add-event-listener "hardwareBackPress" new-listener)))))
(defui AppRoot (defui AppRoot
static om/IQuery static om/IQuery