Added logic to redesigned home

(partially)

app/src/main/java/com/topjohnwu/magisk/di/ViewModelsModule.kt

@@ -30,5 +30,5 @@ val viewModelModules = module {
     // redesign
 
     viewModel { RedesignViewModel() }
-    viewModel { RedesignHomeViewModel() }
+    viewModel { RedesignHomeViewModel(get()) }
 }

app/src/main/java/com/topjohnwu/magisk/redesign/home/HomeViewModel.kt

@@ -1,13 +1,69 @@
 package com.topjohnwu.magisk.redesign.home
 
+import com.skoumal.teanity.extensions.subscribeK
 import com.skoumal.teanity.util.KObservableField
+import com.topjohnwu.magisk.BuildConfig
+import com.topjohnwu.magisk.Info
+import com.topjohnwu.magisk.R
+import com.topjohnwu.magisk.data.repository.MagiskRepository
+import com.topjohnwu.magisk.extensions.res
+import com.topjohnwu.magisk.model.entity.MagiskJson
+import com.topjohnwu.magisk.model.entity.ManagerJson
+import com.topjohnwu.magisk.model.entity.UpdateInfo
+import com.topjohnwu.magisk.model.observer.Observer
 import com.topjohnwu.magisk.redesign.compat.CompatViewModel
+import com.topjohnwu.magisk.ui.home.MagiskState
 
-class HomeViewModel : CompatViewModel() {
+class HomeViewModel(
+    private val repoMagisk: MagiskRepository
+) : CompatViewModel() {
 
-    val stateTextMagisk = KObservableField("is up to date")
+    val stateMagisk = KObservableField(MagiskState.LOADING)
-    val stateTextManager = KObservableField("is up to date")
+    val stateManager = KObservableField(MagiskState.LOADING)
+    val stateTextMagisk = Observer(stateMagisk) {
+        when (stateMagisk.value) {
+            MagiskState.NOT_INSTALLED -> R.string.magisk_version_error.res()
+            MagiskState.UP_TO_DATE -> R.string.magisk_up_to_date.res()
+            MagiskState.LOADING -> R.string.checking_for_updates.res()
+            MagiskState.OBSOLETE -> R.string.magisk_update_title.res()
+        }
+    }
+    val stateTextManager = Observer(stateManager) {
+        when (stateManager.value) {
+            MagiskState.NOT_INSTALLED -> R.string.invalid_update_channel.res()
+            MagiskState.UP_TO_DATE -> R.string.manager_up_to_date.res()
+            MagiskState.LOADING -> R.string.checking_for_updates.res()
+            MagiskState.OBSOLETE -> R.string.manager_update_title.res()
+        }
+    }
+
+    override fun refresh() = repoMagisk.fetchUpdate()
+        .subscribeK { updateBy(it) }
+
+    private fun updateBy(info: UpdateInfo) {
+        stateMagisk.value = when {
+            !info.magisk.isInstalled -> MagiskState.NOT_INSTALLED
+            info.magisk.isObsolete -> MagiskState.OBSOLETE
+            else -> MagiskState.UP_TO_DATE
+        }
+
+        stateManager.value = when {
+            !info.app.isUpdateChannelCorrect -> MagiskState.NOT_INSTALLED
+            info.app.isObsolete -> MagiskState.OBSOLETE
+            else -> MagiskState.UP_TO_DATE
+        }
+    }
 
     fun onDeletePressed() {}
 
 }
+
+@Suppress("unused")
+val MagiskJson.isInstalled
+    get() = Info.magiskVersionCode > 0
+val MagiskJson.isObsolete
+    get() = Info.magiskVersionCode < versionCode
+val ManagerJson.isUpdateChannelCorrect
+    get() = versionCode > 0
+val ManagerJson.isObsolete
+    get() = BuildConfig.VERSION_CODE < versionCode

app/src/main/res/color/color_primary_delete_transient.xml

@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <selector xmlns:android="http://schemas.android.com/apk/res/android">
     <item android:color="?colorError" android:state_selected="true" />
+    <item android:color="?colorDisabled" android:state_enabled="false" />
     <item android:color="?colorPrimary" />
 </selector>

app/src/main/res/layout/fragment_home_md2.xml

@@ -5,6 +5,8 @@
 
     <data>
 
+        <import type="com.topjohnwu.magisk.ui.home.MagiskState" />
+
         <variable
             name="viewModel"
             type="com.topjohnwu.magisk.redesign.home.HomeViewModel" />
@@ -32,6 +34,7 @@
                     android:id="@+id/home_magisk_wrapper"
                     android:layout_width="0dp"
                     android:layout_height="wrap_content"
+                    android:animateLayoutChanges="true"
                     app:layout_constraintEnd_toStartOf="@+id/home_manager_wrapper"
                     app:layout_constraintStart_toStartOf="parent"
                     app:layout_constraintTop_toTopOf="parent">
@@ -39,6 +42,7 @@
                     <androidx.appcompat.widget.AppCompatImageView
                         android:id="@+id/home_magisk_icon"
                         style="?styleIconPrimary"
+                        isEnabled="@{viewModel.stateMagisk != MagiskState.LOADING}"
                         onSelectClick="@{() -> viewModel.onDeletePressed()}"
                         onSelectReset="@{10000L}"
                         android:padding="@dimen/l_25"
@@ -71,15 +75,18 @@
                         app:layout_constraintTop_toBottomOf="@+id/home_magisk_title" />
 
                     <FrameLayout
+                        gone="@{viewModel.stateMagisk == MagiskState.LOADING}"
                         android:layout_width="0dp"
                         android:layout_height="wrap_content"
                         android:layout_marginTop="@dimen/l1"
+                        android:animateLayoutChanges="true"
                         app:layout_constraintEnd_toEndOf="parent"
                         app:layout_constraintStart_toStartOf="parent"
                         app:layout_constraintTop_toBottomOf="@+id/home_magisk_status">
 
                         <com.google.android.material.button.MaterialButton
                             style="?styleButtonDefault"
+                            gone="@{viewModel.stateMagisk != MagiskState.OBSOLETE}"
                             android:layout_width="match_parent"
                             android:layout_height="wrap_content"
                             android:text="@string/update"
@@ -91,6 +98,7 @@
 
                         <com.google.android.material.button.MaterialButton
                             style="?styleButtonText"
+                            gone="@{viewModel.stateMagisk == MagiskState.OBSOLETE}"
                             android:layout_width="match_parent"
                             android:layout_height="wrap_content"
                             android:text="@string/install"
@@ -147,6 +155,7 @@
                         android:layout_width="match_parent"
                         android:layout_height="wrap_content"
                         android:layout_marginTop="@dimen/l1"
+                        gone="@{viewModel.stateManager == MagiskState.LOADING}"
                         app:layout_constraintTop_toBottomOf="@+id/home_manager_status">
 
                         <com.google.android.material.button.MaterialButton
@@ -154,6 +163,7 @@
                             android:layout_width="match_parent"
                             android:layout_height="wrap_content"
                             android:text="@string/update"
+                            gone="@{viewModel.stateManager != MagiskState.OBSOLETE}"
                             app:icon="@drawable/ic_update_md2"
                             app:iconGravity="textEnd"
                             app:iconPadding="@dimen/l_50"
@@ -164,6 +174,7 @@
                             android:layout_width="match_parent"
                             android:layout_height="wrap_content"
                             android:text="@string/install"
+                            gone="@{viewModel.stateManager == MagiskState.OBSOLETE}"
                             app:icon="@drawable/ic_install"
                             app:iconGravity="textEnd"
                             app:iconPadding="@dimen/l_50"