Added primitive implementation of modules screen

app/src/main/java/com/topjohnwu/magisk/model/entity/recycler/ModuleRvItem.kt

@@ -1,6 +1,8 @@
 package com.topjohnwu.magisk.model.entity.recycler
 
 import android.content.res.Resources
+import android.view.View
+import android.view.ViewGroup
 import androidx.annotation.StringRes
 import com.topjohnwu.magisk.R
 import com.topjohnwu.magisk.databinding.ComparableRvItem
@@ -9,7 +11,10 @@ import com.topjohnwu.magisk.extensions.get
 import com.topjohnwu.magisk.extensions.toggle
 import com.topjohnwu.magisk.model.entity.module.Module
 import com.topjohnwu.magisk.model.entity.module.Repo
+import com.topjohnwu.magisk.redesign.module.ModuleViewModel
 import com.topjohnwu.magisk.utils.KObservableField
+import com.topjohnwu.magisk.utils.rotationTo
+import com.topjohnwu.magisk.utils.setRevealed
 
 class ModuleRvItem(val item: Module) : ComparableRvItem<ModuleRvItem>() {
 
@@ -72,4 +77,35 @@ class RepoRvItem(val item: Repo) : ComparableRvItem<RepoRvItem>() {
     override fun contentSameAs(other: RepoRvItem): Boolean = item == other.item
 
     override fun itemSameAs(other: RepoRvItem): Boolean = item.id == other.item.id
+}
+
+class ModuleItem(val item: Module) : ComparableRvItem<ModuleItem>() {
+
+    override val layoutRes = R.layout.item_module_md2
+
+    val isExpanded = KObservableField(false)
+    val isEnabled = KObservableField(item.enable)
+
+    val isModified get() = item.enable != isEnabled.value
+
+    fun toggle(viewModel: ModuleViewModel) {
+        isEnabled.toggle()
+        viewModel.moveToState(this)
+    }
+
+    fun toggle(view: View) {
+        isExpanded.toggle()
+        view.rotationTo(if (isExpanded.value) 225 else 180)
+        (view.parent as ViewGroup)
+            .findViewById<View>(R.id.module_expand_container)
+            .setRevealed(isExpanded.value)
+    }
+
+    override fun contentSameAs(other: ModuleItem): Boolean = item.version == other.item.version
+            && item.versionCode == other.item.versionCode
+            && item.description == other.item.description
+            && item.name == other.item.name
+
+    override fun itemSameAs(other: ModuleItem): Boolean = item.id == other.item.id
+
 }

app/src/main/java/com/topjohnwu/magisk/redesign/module/ModuleViewModel.kt

@@ -1,16 +1,49 @@
 package com.topjohnwu.magisk.redesign.module
 
 import com.topjohnwu.magisk.BR
-import com.topjohnwu.magisk.model.entity.recycler.ModuleRvItem
+import com.topjohnwu.magisk.extensions.subscribeK
+import com.topjohnwu.magisk.model.entity.module.Module
+import com.topjohnwu.magisk.model.entity.recycler.ModuleItem
 import com.topjohnwu.magisk.redesign.compat.CompatViewModel
 import com.topjohnwu.magisk.redesign.home.itemBindingOf
 import com.topjohnwu.magisk.redesign.superuser.diffListOf
+import io.reactivex.Single
 
 class ModuleViewModel : CompatViewModel() {
 
-    val items = diffListOf<ModuleRvItem>()
-    val itemBinding = itemBindingOf<ModuleRvItem> {
+    val items = diffListOf<ModuleItem>()
+    val itemsPending = diffListOf<ModuleItem>()
+    val itemBinding = itemBindingOf<ModuleItem> {
         it.bindExtra(BR.viewModel, this)
     }
 
+    override fun refresh() = Single.fromCallable { Module.loadModules() }
+        .map { it.map { ModuleItem(it) } }
+        .map { it to items.calculateDiff(it) }
+        .subscribeK {
+            items.update(it.first, it.second)
+            items.forEach { moveToState(it) }
+        }
+
+    fun moveToState(item: ModuleItem) {
+        val isActive = items.indexOfFirst { it.itemSameAs(item) } != -1
+        val isPending = itemsPending.indexOfFirst { it.itemSameAs(item) } != -1
+
+        when {
+            isActive && isPending -> if (item.isModified) {
+                items.remove(item)
+            } else {
+                itemsPending.remove(item)
+            }
+            isActive && item.isModified -> {
+                items.remove(item)
+                itemsPending.add(item)
+            }
+            isPending && !item.isModified -> {
+                itemsPending.remove(item)
+                items.add(item)
+            }
+        }
+    }
+
 }

app/src/main/java/com/topjohnwu/magisk/utils/DataBindingAdapters.kt

@@ -443,4 +443,11 @@ fun ProgressBar.setProgressAnimated(newProgress: Int) {
         addUpdateListener { progress = it.animatedValue as Int }
         tag = this
     }.start()
+}
+
+@BindingAdapter("android:rotation")
+fun View.setRotationNotAnimated(rotation: Int) {
+    if (animation != null) {
+        this.rotation = rotation.toFloat()
+    }
 }