Overhaul Application (#17)

- YOLO

Author: smashedr

TODO.md

@@ -3,14 +3,11 @@
 - Implement Retrofit into Current Settings
 - ❓ Implement Room into Retrofit (or keep separate)
 - ❓ Replace SettingsActivity with a SettingsFragment
-- ❓ Update Navigation with addToBackStack (like Zipline)
 
 ## Layouts
 
 - Server Setup (Login)
-- File(s) Preview
 - Text Preview
-- URL Preview
 - Add Server
 - Edit Server
 

app/build.gradle.kts

@@ -46,6 +46,10 @@ dependencies {
     implementation(libs.material)
     implementation(libs.androidx.activity)
     implementation(libs.androidx.preference.ktx)
+    implementation(libs.androidx.lifecycle.livedata.ktx)
+    implementation(libs.androidx.lifecycle.viewmodel.ktx)
+    implementation(libs.androidx.navigation.fragment.ktx)
+    implementation(libs.androidx.navigation.ui.ktx)
     implementation(libs.okhttp)
     implementation(libs.retrofit)
     implementation(libs.retrofit.gson)

app/src/main/AndroidManifest.xml

@@ -62,9 +62,6 @@
 
         </activity>
 
-        <!-- TODO: Remove SettingsActivity -->
-        <activity android:name=".settings.SettingsActivity" />
-
     </application>
 
 </manifest>

app/src/main/java/com/djangofiles/djangofiles/HomeViewModel.kt

@@ -0,0 +1,34 @@
+package com.djangofiles.djangofiles
+
+import androidx.lifecycle.LiveData
+import androidx.lifecycle.MutableLiveData
+import androidx.lifecycle.ViewModel
+
+class HomeViewModel : ViewModel() {
+
+    //private val _urlToLoad = MutableLiveData<String>()
+    private val _urlToLoad = MutableLiveData<Event<String>>()
+
+    //val urlToLoad: LiveData<String> = _urlToLoad
+    val urlToLoad: LiveData<Event<String>> = _urlToLoad
+
+    val webViewUrl = MutableLiveData<String>()
+
+    fun navigateTo(url: String) {
+        //_urlToLoad.value = url
+        _urlToLoad.value = Event(url)
+    }
+}
+
+class Event<out T>(private val content: T) {
+    private var hasBeenHandled = false
+
+    fun getContentIfNotHandled(): T? {
+        return if (hasBeenHandled) null else {
+            hasBeenHandled = true
+            content
+        }
+    }
+
+    fun peekContent(): T = content
+}