Modularize all suggestions autocompletion code

app/build.gradle

@@ -93,6 +93,7 @@ dependencies {
     implementation project(':draw')
     implementation project(':util')
     implementation project(':core')
+    implementation project(':suggestions')
 
     implementation libraries.kotlin
     implementation libraries.coroutines

app/src/main/java/chat/rocket/android/chatroom/adapter/CommandSuggestionsAdapter.kt

@@ -7,9 +7,9 @@ import android.widget.TextView
 import chat.rocket.android.R
 import chat.rocket.android.chatroom.adapter.CommandSuggestionsAdapter.CommandSuggestionsViewHolder
 import chat.rocket.android.chatroom.uimodel.suggestion.CommandSuggestionUiModel
-import chat.rocket.android.widget.autocompletion.model.SuggestionModel
-import chat.rocket.android.widget.autocompletion.ui.BaseSuggestionViewHolder
-import chat.rocket.android.widget.autocompletion.ui.SuggestionsAdapter
+import chat.rocket.android.suggestions.model.SuggestionModel
+import chat.rocket.android.suggestions.ui.BaseSuggestionViewHolder
+import chat.rocket.android.suggestions.ui.SuggestionsAdapter
 
 class CommandSuggestionsAdapter : SuggestionsAdapter<CommandSuggestionsViewHolder>(token = "/",
         constraint = CONSTRAINT_BOUND_TO_START, threshold = RESULT_COUNT_UNLIMITED) {

app/src/main/java/chat/rocket/android/chatroom/adapter/PeopleSuggestionsAdapter.kt

@@ -11,9 +11,9 @@ import chat.rocket.android.R
 import chat.rocket.android.chatroom.adapter.PeopleSuggestionsAdapter.PeopleSuggestionViewHolder
 import chat.rocket.android.chatroom.uimodel.suggestion.PeopleSuggestionUiModel
 import chat.rocket.android.util.extensions.setVisible
-import chat.rocket.android.widget.autocompletion.model.SuggestionModel
-import chat.rocket.android.widget.autocompletion.ui.BaseSuggestionViewHolder
-import chat.rocket.android.widget.autocompletion.ui.SuggestionsAdapter
+import chat.rocket.android.suggestions.model.SuggestionModel
+import chat.rocket.android.suggestions.ui.BaseSuggestionViewHolder
+import chat.rocket.android.suggestions.ui.SuggestionsAdapter
 import com.facebook.drawee.view.SimpleDraweeView
 
 class PeopleSuggestionsAdapter(context: Context) : SuggestionsAdapter<PeopleSuggestionViewHolder>("@") {

app/src/main/java/chat/rocket/android/chatroom/adapter/RoomSuggestionsAdapter.kt

@@ -7,9 +7,9 @@ import android.widget.TextView
 import chat.rocket.android.R
 import chat.rocket.android.chatroom.adapter.RoomSuggestionsAdapter.RoomSuggestionsViewHolder
 import chat.rocket.android.chatroom.uimodel.suggestion.ChatRoomSuggestionUiModel
-import chat.rocket.android.widget.autocompletion.model.SuggestionModel
-import chat.rocket.android.widget.autocompletion.ui.BaseSuggestionViewHolder
-import chat.rocket.android.widget.autocompletion.ui.SuggestionsAdapter
+import chat.rocket.android.suggestions.model.SuggestionModel
+import chat.rocket.android.suggestions.ui.BaseSuggestionViewHolder
+import chat.rocket.android.suggestions.ui.SuggestionsAdapter
 
 class RoomSuggestionsAdapter : SuggestionsAdapter<RoomSuggestionsViewHolder>("#") {
 

app/src/main/java/chat/rocket/android/chatroom/uimodel/suggestion/ChatRoomSuggestionUiModel.kt

 package chat.rocket.android.chatroom.uimodel.suggestion
 
-import chat.rocket.android.widget.autocompletion.model.SuggestionModel
+import chat.rocket.android.suggestions.model.SuggestionModel
 
 class ChatRoomSuggestionUiModel(text: String,
                                 val fullName: String,

app/src/main/java/chat/rocket/android/chatroom/uimodel/suggestion/CommandSuggestionUiModel.kt

 package chat.rocket.android.chatroom.uimodel.suggestion
 
-import chat.rocket.android.widget.autocompletion.model.SuggestionModel
+import chat.rocket.android.suggestions.model.SuggestionModel
 
 class CommandSuggestionUiModel(text: String,
                                val description: String,

app/src/main/java/chat/rocket/android/chatroom/uimodel/suggestion/PeopleSuggestionUiModel.kt

 package chat.rocket.android.chatroom.uimodel.suggestion
 
-import chat.rocket.android.widget.autocompletion.model.SuggestionModel
+import chat.rocket.android.suggestions.model.SuggestionModel
 import chat.rocket.common.model.UserStatus
 
 class PeopleSuggestionUiModel(val imageUri: String?,

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

@@ -74,7 +74,7 @@
         app:layout_constraintTop_toTopOf="parent"
         tools:visibility="visible" />
 
-    <chat.rocket.android.widget.autocompletion.ui.SuggestionsView
+    <chat.rocket.android.suggestions.ui.SuggestionsView
         android:id="@+id/suggestions_view"
         android:layout_width="0dp"
         android:layout_height="wrap_content"

app/src/main/res/values/dimens.xml

@@ -41,10 +41,6 @@
     <dimen name="padding_mention">4dp</dimen>
     <dimen name="radius_mention">6dp</dimen>
 
-    <!-- Autocomplete Popup -->
-    <dimen name="popup_max_height">150dp</dimen>
-    <dimen name="suggestions_box_max_height">250dp</dimen>
-
     <dimen name="viewer_toolbar_padding">16dp</dimen>
     <dimen name="viewer_toolbar_title">16sp</dimen>
 

build.gradle

 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 buildscript {
+    ext.kotlin_version = '1.0.0'
     apply from: rootProject.file('dependencies.gradle')
 
     repositories {

settings.gradle

-include ':app', ':player', ':emoji', ':draw', ':util', ':core' //, ':wear'
\ No newline at end of file
+include ':app', ':player', ':emoji', ':draw', ':util', ':core', ':suggestions' //, ':wear'
\ No newline at end of file

suggestions/.gitignore

+/build

suggestions/build.gradle

+apply plugin: 'com.android.library'
+apply plugin: 'kotlin-android'
+apply plugin: 'kotlin-android-extensions'
+
+android {
+    compileSdkVersion versions.compileSdk
+    buildToolsVersion versions.buildTools
+
+    defaultConfig {
+        minSdkVersion versions.minSdk
+        targetSdkVersion versions.targetSdk
+        versionCode 1
+        versionName "1.0.0"
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+        }
+    }
+}
+
+dependencies {
+    implementation libraries.kotlin
+    implementation libraries.recyclerview
+    implementation libraries.appCompat
+    implementation libraries.material
+}
+
+androidExtensions {
+    experimental = true
+}

suggestions/proguard-rules.pro

+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile

suggestions/src/androidTest/java/yampsample/leonardoaramaki/github/com/suggestions/ExampleInstrumentedTest.java

+package yampsample.leonardoaramaki.github.com.suggestions;
+
+import android.content.Context;
+import android.support.test.InstrumentationRegistry;
+import android.support.test.runner.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import static org.junit.Assert.*;
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+@RunWith(AndroidJUnit4.class)
+public class ExampleInstrumentedTest {
+    @Test
+    public void useAppContext() {
+        // Context of the app under test.
+        Context appContext = InstrumentationRegistry.getTargetContext();
+
+        assertEquals("yampsample.leonardoaramaki.github.com.suggestions.test", appContext.getPackageName());
+    }
+}

suggestions/src/main/AndroidManifest.xml

+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="chat.rocket.android.suggestions" />

app/src/main/java/chat/rocket/android/widget/autocompletion/model/SuggestionModel.kt → suggestions/src/main/java/chat/rocket/android/suggestions/model/SuggestionModel.kt

-package chat.rocket.android.widget.autocompletion.model
+package chat.rocket.android.suggestions.model
 
 abstract class SuggestionModel(val text: String, // This is the text key for searches, must be unique.
                                val searchList: List<String> = emptyList(),  // Where to search for matches.
@@ -15,4 +15,4 @@ abstract class SuggestionModel(val text: String, // This is the text key for sea
     override fun hashCode(): Int {
         return text.hashCode()
     }
-}
\ No newline at end of file
+}

app/src/main/java/chat/rocket/android/widget/autocompletion/repository/LocalSuggestionProvider.kt → suggestions/src/main/java/chat/rocket/android/suggestions/repository/LocalSuggestionProvider.kt

-package chat.rocket.android.widget.autocompletion.repository
+package chat.rocket.android.suggestions.repository
 
 interface LocalSuggestionProvider {
     fun find(prefix: String)

app/src/main/java/chat/rocket/android/widget/autocompletion/strategy/CompletionStrategy.kt → suggestions/src/main/java/chat/rocket/android/suggestions/strategy/CompletionStrategy.kt

-package chat.rocket.android.widget.autocompletion.strategy
+package chat.rocket.android.suggestions.strategy
 
-import chat.rocket.android.widget.autocompletion.model.SuggestionModel
+import chat.rocket.android.suggestions.model.SuggestionModel
 
 interface CompletionStrategy {
     fun getItem(prefix: String, position: Int): SuggestionModel
@@ -8,4 +8,4 @@ interface CompletionStrategy {
     fun addAll(list: List<SuggestionModel>)
     fun addPinned(list: List<SuggestionModel>)
     fun size(): Int
-}
\ No newline at end of file
+}

app/src/main/java/chat/rocket/android/widget/autocompletion/strategy/regex/StringMatchingCompletionStrategy.kt → suggestions/src/main/java/chat/rocket/android/suggestions/strategy/regex/StringMatchingCompletionStrategy.kt

-package chat.rocket.android.widget.autocompletion.strategy.regex
+package chat.rocket.android.suggestions.strategy.regex
 
-import chat.rocket.android.widget.autocompletion.model.SuggestionModel
-import chat.rocket.android.widget.autocompletion.strategy.CompletionStrategy
-import chat.rocket.android.widget.autocompletion.ui.SuggestionsAdapter.Companion.RESULT_COUNT_UNLIMITED
+import chat.rocket.android.suggestions.model.SuggestionModel
+import chat.rocket.android.suggestions.strategy.CompletionStrategy
+import chat.rocket.android.suggestions.ui.SuggestionsAdapter.Companion.RESULT_COUNT_UNLIMITED
 import java.util.concurrent.CopyOnWriteArrayList
 
 internal class StringMatchingCompletionStrategy(private val threshold: Int = RESULT_COUNT_UNLIMITED) : CompletionStrategy {
@@ -46,4 +46,4 @@ internal class StringMatchingCompletionStrategy(private val threshold: Int = RES
     override fun size(): Int {
         return list.size
     }
-}
\ No newline at end of file
+}

app/src/main/java/chat/rocket/android/widget/autocompletion/strategy/trie/TrieCompletionStrategy.kt → suggestions/src/main/java/chat/rocket/android/suggestions/strategy/trie/TrieCompletionStrategy.kt

-package chat.rocket.android.widget.autocompletion.strategy.trie
+package chat.rocket.android.suggestions.strategy.trie
 
-import chat.rocket.android.widget.autocompletion.model.SuggestionModel
-import chat.rocket.android.widget.autocompletion.strategy.CompletionStrategy
-import chat.rocket.android.widget.autocompletion.strategy.trie.data.Trie
+import chat.rocket.android.suggestions.model.SuggestionModel
+import chat.rocket.android.suggestions.strategy.CompletionStrategy
+import chat.rocket.android.suggestions.strategy.trie.data.Trie
 
 class TrieCompletionStrategy : CompletionStrategy {
     private val items = mutableListOf<SuggestionModel>()
@@ -28,8 +28,7 @@ class TrieCompletionStrategy : CompletionStrategy {
     }
 
     override fun addPinned(list: List<SuggestionModel>) {
-
     }
 
     override fun size() = items.size
-}
\ No newline at end of file
+}

app/src/main/java/chat/rocket/android/widget/autocompletion/strategy/trie/data/Trie.kt → suggestions/src/main/java/chat/rocket/android/suggestions/strategy/trie/data/Trie.kt

-package chat.rocket.android.widget.autocompletion.strategy.trie.data
+package chat.rocket.android.suggestions.strategy.trie.data
 
-import chat.rocket.android.widget.autocompletion.model.SuggestionModel
+import chat.rocket.android.suggestions.model.SuggestionModel
 
 internal class Trie {
     private val root = TrieNode(' ')
@@ -67,4 +67,4 @@ internal class Trie {
     }
 
     fun getCount() = count
-}
\ No newline at end of file
+}

app/src/main/java/chat/rocket/android/widget/autocompletion/strategy/trie/data/TrieNode.kt → suggestions/src/main/java/chat/rocket/android/suggestions/strategy/trie/data/TrieNode.kt

-package chat.rocket.android.widget.autocompletion.strategy.trie.data
+package chat.rocket.android.suggestions.strategy.trie.data
 
-import chat.rocket.android.widget.autocompletion.model.SuggestionModel
+import chat.rocket.android.suggestions.model.SuggestionModel
 
 internal class TrieNode(internal var data: Char,
                                             internal var parent: TrieNode? = null,
@@ -44,4 +44,4 @@ internal class TrieNode(internal var data: Char,
     }
 
     override fun toString(): String = if (parent == null) "" else "${parent.toString()}$data"
-}
\ No newline at end of file
+}

app/src/main/java/chat/rocket/android/widget/autocompletion/ui/BaseSuggestionViewHolder.kt → suggestions/src/main/java/chat/rocket/android/suggestions/ui/BaseSuggestionViewHolder.kt

-package chat.rocket.android.widget.autocompletion.ui
+package chat.rocket.android.suggestions.ui
 
-import androidx.recyclerview.widget.RecyclerView
 import android.view.View
-import chat.rocket.android.widget.autocompletion.model.SuggestionModel
+import androidx.recyclerview.widget.RecyclerView
+import chat.rocket.android.suggestions.model.SuggestionModel
 
 abstract class BaseSuggestionViewHolder(view: View) : RecyclerView.ViewHolder(view) {
     abstract fun bind(item: SuggestionModel, itemClickListener: SuggestionsAdapter.ItemClickListener?)
-}
\ No newline at end of file
+}

app/src/main/java/chat/rocket/android/widget/autocompletion/ui/PopupRecyclerView.kt → suggestions/src/main/java/chat/rocket/android/suggestions/ui/PopupRecyclerView.kt

-package chat.rocket.android.widget.autocompletion.ui
+package chat.rocket.android.suggestions.ui
 
 import android.content.Context
 import android.util.AttributeSet
 import android.util.DisplayMetrics
 import android.view.WindowManager
 import androidx.recyclerview.widget.RecyclerView
-import chat.rocket.android.R
+import chat.rocket.android.suggestions.R
 
 internal class PopupRecyclerView : RecyclerView {
     private var displayWidth: Int = 0
@@ -38,4 +38,4 @@ internal class PopupRecyclerView : RecyclerView {
     override fun onLayout(changed: Boolean, l: Int, t: Int, r: Int, b: Int) {
         super.onLayout(changed, l + 40, t, r - 40, b)
     }
-}
\ No newline at end of file
+}

app/src/main/java/chat/rocket/android/widget/autocompletion/ui/SuggestionsAdapter.kt → suggestions/src/main/java/chat/rocket/android/suggestions/ui/SuggestionsAdapter.kt

-package chat.rocket.android.widget.autocompletion.ui
+package chat.rocket.android.suggestions.ui
 
 import androidx.recyclerview.widget.RecyclerView
-import chat.rocket.android.widget.autocompletion.model.SuggestionModel
-import chat.rocket.android.widget.autocompletion.strategy.CompletionStrategy
-import chat.rocket.android.widget.autocompletion.strategy.regex.StringMatchingCompletionStrategy
+import chat.rocket.android.suggestions.model.SuggestionModel
+import chat.rocket.android.suggestions.strategy.CompletionStrategy
+import chat.rocket.android.suggestions.strategy.regex.StringMatchingCompletionStrategy
 import java.lang.reflect.Type
 import kotlin.properties.Delegates
 
@@ -32,10 +32,10 @@ abstract class SuggestionsAdapter<VH : BaseSuggestionViewHolder>(
     // The strategy used for suggesting completions.
     private val strategy: CompletionStrategy = StringMatchingCompletionStrategy(resultsThreshold)
     // Current input term to look up for suggestions.
-    private var currentTerm: String by Delegates.observable("", { _, _, newTerm ->
+    private var currentTerm: String by Delegates.observable("") { _, _, newTerm ->
         val items = strategy.autocompleteItems(newTerm)
         notifyDataSetChanged()
-    })
+    }
 
     init {
         setHasStableIds(true)

app/src/main/java/chat/rocket/android/widget/autocompletion/ui/SuggestionsView.kt → suggestions/src/main/java/chat/rocket/android/suggestions/ui/SuggestionsView.kt

-package chat.rocket.android.widget.autocompletion.ui
+package chat.rocket.android.suggestions.ui
 
 import android.content.Context
 import android.graphics.Canvas
 import android.graphics.Rect
 import android.graphics.drawable.Drawable
-import androidx.annotation.DrawableRes
-import androidx.transition.Slide
-import androidx.transition.TransitionManager
-import androidx.core.content.ContextCompat
-import androidx.recyclerview.widget.DefaultItemAnimator
-import androidx.recyclerview.widget.LinearLayoutManager
-import androidx.recyclerview.widget.RecyclerView
 import android.text.Editable
 import android.text.InputType
 import android.text.TextWatcher
+import android.transition.Slide
+import android.transition.TransitionManager
 import android.util.AttributeSet
 import android.view.Gravity
 import android.view.View
 import android.widget.EditText
 import android.widget.FrameLayout
-import chat.rocket.android.R
-import chat.rocket.android.widget.autocompletion.model.SuggestionModel
-import chat.rocket.android.widget.autocompletion.ui.SuggestionsAdapter.Companion.CONSTRAINT_BOUND_TO_START
+import androidx.annotation.DrawableRes
+import androidx.core.content.ContextCompat
+import androidx.recyclerview.widget.DefaultItemAnimator
+import androidx.recyclerview.widget.LinearLayoutManager
+import androidx.recyclerview.widget.RecyclerView
+import chat.rocket.android.suggestions.R
+import chat.rocket.android.suggestions.model.SuggestionModel
+import chat.rocket.android.suggestions.ui.SuggestionsAdapter.Companion.CONSTRAINT_BOUND_TO_START
 import java.lang.ref.WeakReference
 import java.util.concurrent.atomic.AtomicInteger
 
@@ -103,7 +103,8 @@ class SuggestionsView : FrameLayout, TextWatcher {
 
         val prefixEndIndex = this.editor?.get()?.selectionStart ?: NO_STATE_INDEX
         if (prefixEndIndex == NO_STATE_INDEX || prefixEndIndex < completionOffset.get()) return
-        val prefix = s.subSequence(completionOffset.get(), this.editor?.get()?.selectionStart ?: completionOffset.get()).toString()
+        val prefix = s.subSequence(completionOffset.get(), this.editor?.get()?.selectionStart
+            ?: completionOffset.get()).toString()
         recyclerView.adapter?.let {
             it as SuggestionsAdapter
             // we need to look up only after the '@'
@@ -156,7 +157,7 @@ class SuggestionsView : FrameLayout, TextWatcher {
         if (list.isNotEmpty()) {
             val adapter = adapter(token)
             localProvidersByToken.getOrPut(token, { hashMapOf() })
-                    .put(adapter.term(), list)
+                .put(adapter.term(), list)
             if (completionOffset.get() > NO_STATE_INDEX && adapter.itemCount == 0) expand()
             adapter.addItems(list)
         }
@@ -192,7 +193,8 @@ class SuggestionsView : FrameLayout, TextWatcher {
     }
 
     private fun adapter(token: String): SuggestionsAdapter<*> {
-        return adaptersByToken[token] ?: throw IllegalStateException("no adapter binds to token \"$token\"")
+        return adaptersByToken[token]
+            ?: throw IllegalStateException("no adapter binds to token \"$token\"")
     }
 
     private fun cancelSuggestions(haltCompletion: Boolean) {

app/src/main/res/drawable/suggestions_menu_decorator.xml → suggestions/src/main/res/drawable/suggestions_menu_decorator.xml

@@ -8,4 +8,4 @@
 
     <size android:height="2dp" />
 
-</shape>
\ No newline at end of file
+</shape>

suggestions/src/main/res/values/dimens.xml

+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <dimen name="popup_max_height">150dp</dimen>
+    <dimen name="suggestions_box_max_height">250dp</dimen>
+</resources>
\ No newline at end of file

suggestions/src/main/res/values/strings.xml

+<resources>
+    <string name="app_name">suggestions</string>
+</resources>

suggestions/src/test/java/yampsample/leonardoaramaki/github/com/suggestions/ExampleUnitTest.java

+package yampsample.leonardoaramaki.github.com.suggestions;
+
+import org.junit.Test;
+
+import static org.junit.Assert.*;
+
+/**
+ * Example local unit test, which will execute on the development machine (host).
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+public class ExampleUnitTest {
+    @Test
+    public void addition_isCorrect() {
+        assertEquals(4, 2 + 2);
+    }
+}
\ No newline at end of file