Added implementation of hide screen

Very much wip and doesn't work at all

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

@@ -17,7 +17,7 @@ import org.koin.dsl.module
 
 val redesignModule = module {
     viewModel { FlashViewModel() }
-    viewModel { HideViewModel() }
+    viewModel { HideViewModel(get(), get()) }
     viewModel { HomeViewModel(get()) }
     viewModel { LogViewModel() }
     viewModel { ModuleViewModel() }

app/src/main/java/com/topjohnwu/magisk/extensions/RxJava.kt

@@ -197,5 +197,8 @@ fun <T> ObservableField<T>.toObservable(): Observable<T> {
 
 fun <T : Any> T.toSingle() = Single.just(this)
 
-fun <T1, T2, R> zip(t1: Single<T1>, t2: Single<T2>, zipper: (T1, T2) -> R) =
-        Single.zip(t1, t2, BiFunction<T1, T2, R> { rt1, rt2 -> zipper(rt1, rt2) })
+inline fun <T1, T2, R> zip(
+    t1: Single<T1>,
+    t2: Single<T2>,
+    crossinline zipper: (T1, T2) -> R
+) = Single.zip(t1, t2, BiFunction<T1, T2, R> { rt1, rt2 -> zipper(rt1, rt2) })

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

@@ -14,3 +14,13 @@ class HideAppInfo(
     val processes = info.packageInfo?.processes?.distinct() ?: listOf(info.packageName)
 
 }
+
+data class StatefulProcess(
+    val name: String,
+    val isHidden: Boolean
+)
+
+class ProcessHideApp(
+    val info: HideAppInfo,
+    val processes: List<StatefulProcess>
+)

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

@@ -1,18 +1,69 @@
 package com.topjohnwu.magisk.model.entity.recycler
 
+import android.view.View
+import android.view.ViewGroup
 import com.topjohnwu.magisk.R
 import com.topjohnwu.magisk.databinding.ComparableRvItem
 import com.topjohnwu.magisk.extensions.addOnPropertyChangedCallback
 import com.topjohnwu.magisk.extensions.inject
+import com.topjohnwu.magisk.extensions.startAnimations
 import com.topjohnwu.magisk.extensions.toggle
 import com.topjohnwu.magisk.model.entity.HideAppInfo
 import com.topjohnwu.magisk.model.entity.HideTarget
+import com.topjohnwu.magisk.model.entity.ProcessHideApp
+import com.topjohnwu.magisk.model.entity.StatefulProcess
 import com.topjohnwu.magisk.model.entity.state.IndeterminateState
 import com.topjohnwu.magisk.model.events.HideProcessEvent
 import com.topjohnwu.magisk.utils.DiffObservableList
 import com.topjohnwu.magisk.utils.KObservableField
 import com.topjohnwu.magisk.utils.RxBus
 
+class HideItem(val item: ProcessHideApp) : ComparableRvItem<HideItem>() {
+
+    override val layoutRes = R.layout.item_hide_md2
+
+    val items = item.processes.map { HideProcessItem(it) }
+
+    val isExpanded = KObservableField(false)
+    val itemsChecked = KObservableField(0)
+    val isHidden get() = itemsChecked.value == items.size
+
+    init {
+        items.forEach { it.isHidden.addOnPropertyChangedCallback { recalculateChecked() } }
+    }
+
+    fun collapse(v: View) {
+        (v.parent.parent as? ViewGroup)?.startAnimations()
+        isExpanded.value = false
+    }
+
+    fun expand(v: View) {
+        (v.parent as? ViewGroup)?.startAnimations()
+        isExpanded.value = true
+    }
+
+    private fun recalculateChecked() {
+        itemsChecked.value = items.count { it.isHidden.value }
+    }
+
+    override fun contentSameAs(other: HideItem): Boolean = item == other.item
+    override fun itemSameAs(other: HideItem): Boolean = item.info == other.item.info
+
+}
+
+class HideProcessItem(val item: StatefulProcess) : ComparableRvItem<HideProcessItem>() {
+
+    override val layoutRes = R.layout.item_hide_process_md2
+
+    val isHidden = KObservableField(item.isHidden)
+
+    fun toggle() = isHidden.toggle()
+
+    override fun contentSameAs(other: HideProcessItem) = item == other.item
+    override fun itemSameAs(other: HideProcessItem) = item.name == other.item.name
+
+}
+
 class HideRvItem(val item: HideAppInfo, targets: List<HideTarget>) :
     ComparableRvItem<HideRvItem>() {
 

app/src/main/java/com/topjohnwu/magisk/redesign/hide/HideFragment.kt

@@ -1,6 +1,7 @@
 package com.topjohnwu.magisk.redesign.hide
 
 import android.content.Context
+import android.graphics.Insets
 import com.topjohnwu.magisk.R
 import com.topjohnwu.magisk.databinding.FragmentHideMd2Binding
 import com.topjohnwu.magisk.redesign.compat.CompatFragment
@@ -11,6 +12,8 @@ class HideFragment : CompatFragment<HideViewModel, FragmentHideMd2Binding>() {
     override val layoutRes = R.layout.fragment_hide_md2
     override val viewModel by viewModel<HideViewModel>()
 
+    override fun consumeSystemWindowInsets(insets: Insets) = insets
+
     override fun onAttach(context: Context) {
         super.onAttach(context)
 

app/src/main/java/com/topjohnwu/magisk/redesign/hide/HideViewModel.kt

@@ -1,5 +1,124 @@
 package com.topjohnwu.magisk.redesign.hide
 
+import android.content.pm.ApplicationInfo
+import com.topjohnwu.magisk.BR
+import com.topjohnwu.magisk.data.repository.MagiskRepository
+import com.topjohnwu.magisk.extensions.subscribeK
+import com.topjohnwu.magisk.extensions.toSingle
+import com.topjohnwu.magisk.model.entity.HideAppInfo
+import com.topjohnwu.magisk.model.entity.HideTarget
+import com.topjohnwu.magisk.model.entity.ProcessHideApp
+import com.topjohnwu.magisk.model.entity.StatefulProcess
+import com.topjohnwu.magisk.model.entity.recycler.HideItem
+import com.topjohnwu.magisk.model.entity.recycler.HideProcessItem
+import com.topjohnwu.magisk.model.entity.recycler.HideProcessRvItem
+import com.topjohnwu.magisk.model.events.HideProcessEvent
 import com.topjohnwu.magisk.redesign.compat.CompatViewModel
+import com.topjohnwu.magisk.redesign.home.itemBindingOf
+import com.topjohnwu.magisk.redesign.superuser.diffListOf
+import com.topjohnwu.magisk.utils.KObservableField
+import com.topjohnwu.magisk.utils.RxBus
+import com.topjohnwu.magisk.utils.currentLocale
+import io.reactivex.disposables.Disposable
+import java.util.*
 
-class HideViewModel : CompatViewModel()
+class HideViewModel(
+    private val magiskRepo: MagiskRepository,
+    rxBus: RxBus
+) : CompatViewModel() {
+
+    @Volatile
+    private var cache = listOf<HideItem>()
+        set(value) {
+            field = Collections.synchronizedList(value)
+        }
+    private var queryJob: Disposable? = null
+        set(value) {
+            field?.dispose()
+            field = value
+        }
+
+    val query = KObservableField("")
+    val isShowSystem = KObservableField(true)
+    val items = diffListOf<HideItem>()
+    val itemBinding = itemBindingOf<HideItem> {
+        it.bindExtra(BR.viewModel, this)
+    }
+    val itemInternalBinding = itemBindingOf<HideProcessItem> {
+        it.bindExtra(BR.viewModel, this)
+    }
+
+    init {
+        rxBus.register<HideProcessEvent>()
+            .subscribeK { toggleItem(it.item) }
+            .add()
+    }
+
+    override fun refresh() = magiskRepo.fetchApps()
+        .map { it to magiskRepo.fetchHideTargets().blockingGet() }
+        .map { pair -> pair.first.map { mergeAppTargets(it, pair.second) } }
+        .flattenAsFlowable { it }
+        .map { HideItem(it) }
+        .toList()
+        .map { it.sort() }
+        .subscribeK {
+            cache = it
+            queryIfNecessary()
+        }
+
+    override fun onCleared() {
+        queryJob?.dispose()
+        super.onCleared()
+    }
+
+    // ---
+
+    private fun mergeAppTargets(a: HideAppInfo, ts: List<HideTarget>): ProcessHideApp {
+        val relevantTargets = ts.filter { it.packageName == a.info.packageName }
+        val processes = a.processes
+            .map { StatefulProcess(it, relevantTargets.any { i -> it == i.process }) }
+        return ProcessHideApp(a, processes)
+    }
+
+    private fun List<HideItem>.sort() = sortedWith(compareBy(
+        { it.isHidden },
+        { it.item.info.name.toLowerCase(currentLocale) },
+        { it.item.info.info.packageName }
+    ))
+
+    // ---
+
+    /** We don't need to re-query when the app count matches. */
+    private fun queryIfNecessary() {
+        if (items.size != cache.size) {
+            query()
+        }
+    }
+
+    private fun query(
+        query: String = this.query.value,
+        showSystem: Boolean = isShowSystem.value
+    ) = cache.toSingle()
+        .flattenAsFlowable { it }
+        .parallel()
+        .filter { showSystem || it.item.info.info.flags and ApplicationInfo.FLAG_SYSTEM == 0 }
+        .filter {
+            val inName = it.item.info.name.contains(query, true)
+            val inPackage = it.item.info.info.packageName.contains(query, true)
+            val inProcesses = it.item.processes.any { it.name.contains(query, true) }
+            inName || inPackage || inProcesses
+        }
+        .sequential()
+        .toList()
+        .map { it to items.calculateDiff(it) }
+        .subscribeK { items.update(it.first, it.second) }
+        .let { queryJob = it }
+
+    // ---
+
+    private fun toggleItem(item: HideProcessRvItem) = magiskRepo
+        .toggleHide(item.isHidden.value, item.packageName, item.process)
+        .subscribeK()
+        .add()
+
+}

app/src/main/res/drawable/ic_radio_check_button.xml

@@ -22,6 +22,27 @@
         </vector>
     </item>
 
+    <item
+        android:id="@+id/collapsed_selected"
+        android:state_selected="true">
+        <vector
+            android:name="vector"
+            android:width="24dp"
+            android:height="24dp"
+            android:viewportWidth="24"
+            android:viewportHeight="24">
+            <group
+                android:name="group"
+                android:pivotX="12"
+                android:pivotY="12">
+                <path
+                    android:name="path"
+                    android:fillColor="#000"
+                    android:pathData="M 12 2 C 9.349 2 6.804 3.054 4.929 4.929 C 3.054 6.804 2 9.349 2 12 C 2 14.651 3.054 17.196 4.929 19.071 C 6.804 20.946 9.349 22 12 22 C 13.755 22 15.48 21.538 17 20.66 C 18.52 19.783 19.783 18.52 20.66 17 C 21.538 15.48 22 13.755 22 12 C 22 10.245 21.538 8.52 20.66 7 C 19.783 5.48 18.52 4.217 17 3.34 C 15.48 2.462 13.755 2 12 2 Z" />
+            </group>
+        </vector>
+    </item>
+
     <item android:id="@+id/expanded">
         <vector
             android:name="vector"
@@ -52,4 +73,14 @@
         android:fromId="@+id/collapsed"
         android:toId="@id/expanded" />
 
+    <transition
+        android:drawable="@drawable/avd_circle_from_filled"
+        android:fromId="@+id/expanded"
+        android:toId="@+id/collapsed_selected" />
+
+    <transition
+        android:drawable="@drawable/avd_circle_to_filled"
+        android:fromId="@+id/collapsed_selected"
+        android:toId="@id/expanded" />
+
 </animated-selector>

app/src/main/res/layout/fragment_hide_md2.xml

@@ -1,23 +1,32 @@
 <?xml version="1.0" encoding="utf-8"?>
-<layout xmlns:android="http://schemas.android.com/apk/res/android">
+<layout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools">
 
     <data>
 
+        <import type="com.topjohnwu.magisk.R" />
+
         <variable
             name="viewModel"
             type="com.topjohnwu.magisk.redesign.hide.HideViewModel" />
 
     </data>
 
-    <androidx.core.widget.NestedScrollView
+    <androidx.recyclerview.widget.RecyclerView
+        dividerVertical="@{R.drawable.divider_l1}"
+        itemBinding="@{viewModel.itemBinding}"
+        items="@{viewModel.items}"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
-        android:fillViewport="true">
-
-        <androidx.constraintlayout.widget.ConstraintLayout
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content" />
-
-    </androidx.core.widget.NestedScrollView>
+        android:clipToPadding="false"
+        android:orientation="vertical"
+        android:paddingStart="@dimen/l1"
+        android:paddingTop="@{viewModel.insets.top + (int) @dimen/internal_action_bar_size + (int) @dimen/l1}"
+        android:paddingEnd="@dimen/l1"
+        android:paddingBottom="@{viewModel.insets.bottom}"
+        app:layoutManager="androidx.recyclerview.widget.LinearLayoutManager"
+        tools:listitem="@layout/item_hide_md2"
+        tools:paddingTop="40dp" />
 
 </layout>

app/src/main/res/layout/item_hide_md2.xml

@@ -0,0 +1,118 @@
+<?xml version="1.0" encoding="utf-8"?>
+<layout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools">
+
+    <data>
+
+        <variable
+            name="item"
+            type="com.topjohnwu.magisk.model.entity.recycler.HideItem" />
+
+        <variable
+            name="viewModel"
+            type="com.topjohnwu.magisk.redesign.hide.HideViewModel" />
+
+    </data>
+
+    <com.google.android.material.card.MaterialCardView
+        style="?styleCardNormal"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        tools:layout_gravity="center"
+        tools:layout_marginBottom="@dimen/l1">
+
+        <androidx.constraintlayout.widget.ConstraintLayout
+            invisible="@{item.isExpanded}"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:background="?selectableItemBackground"
+            android:onClick="@{(v) -> item.expand(v)}">
+
+            <androidx.appcompat.widget.AppCompatImageView
+                android:id="@+id/hide_icon"
+                style="?styleImageNormal"
+                android:layout_margin="@dimen/l1"
+                android:src="@{item.item.info.icon}"
+                app:layout_constraintBottom_toBottomOf="parent"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintTop_toTopOf="parent"
+                tools:src="@drawable/ic_magisk" />
+
+            <androidx.appcompat.widget.AppCompatTextView
+                android:id="@+id/hide_name"
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:layout_marginStart="@dimen/l1"
+                android:ellipsize="middle"
+                android:singleLine="true"
+                android:text="@{item.item.info.name}"
+                android:textAppearance="?appearanceTextBodyNormal"
+                android:textStyle="bold"
+                app:layout_constraintBottom_toTopOf="@+id/hide_package"
+                app:layout_constraintEnd_toStartOf="@+id/hide_expand_icon"
+                app:layout_constraintStart_toEndOf="@+id/hide_icon"
+                app:layout_constraintTop_toTopOf="parent"
+                app:layout_constraintVertical_chainStyle="packed"
+                tools:text="@string/app_name" />
+
+            <androidx.appcompat.widget.AppCompatTextView
+                android:id="@+id/hide_package"
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:textAppearance="?appearanceTextCaptionVariant"
+                app:layout_constraintBottom_toBottomOf="parent"
+                app:layout_constraintEnd_toEndOf="@+id/hide_name"
+                app:layout_constraintStart_toStartOf="@+id/hide_name"
+                app:layout_constraintTop_toBottomOf="@+id/hide_name"
+                tools:text="com.topjohnwu.magisk" />
+
+            <androidx.appcompat.widget.AppCompatImageView
+                android:id="@+id/hide_expand_icon"
+                style="?styleIconNormal"
+                invisible="@{item.item.processes.empty}"
+                android:background="@null"
+                android:rotation="180"
+                app:layout_constraintBottom_toBottomOf="parent"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintTop_toTopOf="parent"
+                app:srcCompat="@drawable/ic_back_md2" />
+
+        </androidx.constraintlayout.widget.ConstraintLayout>
+
+        <LinearLayout
+            goneUnless="@{item.isExpanded}"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="vertical">
+
+            <com.google.android.material.appbar.MaterialToolbar
+                style="?styleToolbar"
+                onNavigationClick="@{(v) -> item.collapse(v)}"
+                android:layout_width="match_parent"
+                android:layout_height="48dp"
+                app:navigationIcon="@drawable/ic_back_md2"
+                app:title="Processes"
+                app:titleTextAppearance="?appearanceTextBodyNormal" />
+
+            <androidx.recyclerview.widget.RecyclerView
+                itemBinding="@{viewModel.itemInternalBinding}"
+                items="@{item.items}"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:orientation="vertical"
+                app:layoutManager="androidx.recyclerview.widget.LinearLayoutManager"
+                tools:listitem="@layout/item_hide_process_md2" />
+
+        </LinearLayout>
+
+        <ProgressBar
+            style="?styleProgressDeterminate"
+            android:layout_width="match_parent"
+            android:layout_gravity="top"
+            android:max="@{item.items.size()}"
+            android:progress="@{item.itemsChecked}" />
+
+    </com.google.android.material.card.MaterialCardView>
+
+</layout>

app/src/main/res/layout/item_hide_process_md2.xml

@@ -0,0 +1,56 @@
+<?xml version="1.0" encoding="utf-8"?>
+<layout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools">
+
+    <data>
+
+        <variable
+            name="item"
+            type="com.topjohnwu.magisk.model.entity.recycler.HideProcessItem" />
+
+        <variable
+            name="viewModel"
+            type="com.topjohnwu.magisk.redesign.hide.HideViewModel" />
+
+    </data>
+
+    <androidx.constraintlayout.widget.ConstraintLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center">
+
+        <androidx.appcompat.widget.AppCompatTextView
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="@dimen/l1"
+            android:layout_marginTop="@dimen/l_50"
+            android:layout_marginEnd="@dimen/l1"
+            android:layout_marginBottom="@dimen/l_50"
+            android:singleLine="true"
+            android:text="@{item.item.name}"
+            android:textAppearance="?appearanceTextCaptionVariant"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toStartOf="@+id/hide_process_checkbox"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent"
+            tools:text="com.topjohnwu.magisk" />
+
+        <androidx.appcompat.widget.AppCompatImageView
+            android:id="@+id/hide_process_checkbox"
+            style="?styleImageSmall"
+            isSelected="@{item.isHidden}"
+            android:layout_marginTop="@dimen/l_50"
+            android:layout_marginEnd="@dimen/l1"
+            android:layout_marginBottom="@dimen/l_50"
+            android:background="?selectableItemBackgroundBorderless"
+            android:onClick="@{() -> item.toggle()}"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintTop_toTopOf="parent"
+            app:srcCompat="@drawable/ic_radio_check_button"
+            app:tint="?colorPrimary" />
+
+    </androidx.constraintlayout.widget.ConstraintLayout>
+
+</layout>