ConfigurableExtension(PreferenceScreen) support (#163)

* initial PreferenceScreen support, works with 'NeoXXX Scans' (pt-br)

* convert EditTextPreference to json successfully

* commit what I've got

* bring back the old SharedPreferences for CustomContext, implement Toast

* put back syer's implementation

AndroidCompat/src/main/java/android/widget/Toast.java

@@ -0,0 +1,91 @@
+package android.widget;
+
+/*
+ * Copyright (C) Contributors to the Suwayomi project
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
+
+public class Toast {
+    public static final int LENGTH_LONG = 1;
+    public static final int LENGTH_SHORT = 0;
+
+    private CharSequence text;
+
+    private Toast(CharSequence text) {
+        this.text = text;
+    }
+
+    public Toast(android.content.Context context) {
+        throw new RuntimeException("Stub!");
+    }
+
+    public void show() {
+        System.out.printf("made a Toast: \"%s\"\n", text.toString());
+    }
+
+    public void cancel() {
+        throw new RuntimeException("Stub!");
+    }
+
+    public void setView(android.view.View view) {
+        throw new RuntimeException("Stub!");
+    }
+
+    public android.view.View getView() {
+        throw new RuntimeException("Stub!");
+    }
+
+    public void setDuration(int duration) {
+        throw new RuntimeException("Stub!");
+    }
+
+    public int getDuration() {
+        throw new RuntimeException("Stub!");
+    }
+
+    public void setMargin(float horizontalMargin, float verticalMargin) {
+        throw new RuntimeException("Stub!");
+    }
+
+    public float getHorizontalMargin() {
+        throw new RuntimeException("Stub!");
+    }
+
+    public float getVerticalMargin() {
+        throw new RuntimeException("Stub!");
+    }
+
+    public void setGravity(int gravity, int xOffset, int yOffset) {
+        throw new RuntimeException("Stub!");
+    }
+
+    public int getGravity() {
+        throw new RuntimeException("Stub!");
+    }
+
+    public int getXOffset() {
+        throw new RuntimeException("Stub!");
+    }
+
+    public int getYOffset() {
+        throw new RuntimeException("Stub!");
+    }
+
+    public static Toast makeText(android.content.Context context, java.lang.CharSequence text, int duration) {
+        return new Toast(text);
+    }
+
+    public static android.widget.Toast makeText(android.content.Context context, int resId, int duration) throws android.content.res.Resources.NotFoundException {
+        throw new RuntimeException("Stub!");
+    }
+
+    public void setText(int resId) {
+        throw new RuntimeException("Stub!");
+    }
+
+    public void setText(java.lang.CharSequence s) {
+        throw new RuntimeException("Stub!");
+    }
+}

AndroidCompat/src/main/java/androidx/preference/EditTextPreference.java

@@ -0,0 +1,46 @@
+package androidx.preference;
+
+import android.content.Context;
+
+public class EditTextPreference extends Preference {
+    private String title;
+    private CharSequence summary;
+    private CharSequence dialogTitle;
+    private CharSequence dialogMessage;
+
+    public EditTextPreference(Context context) {
+        super(context);
+    }
+
+    public String getTitle() {
+        return title;
+    }
+
+    public void setTitle(CharSequence title) {
+        this.title = (String) title;
+    }
+
+    public CharSequence getSummary() {
+        return summary;
+    }
+
+    public void setSummary(CharSequence summary) {
+        this.summary = summary;
+    }
+
+    public CharSequence getDialogTitle() {
+        return dialogTitle;
+    }
+
+    public void setDialogTitle(CharSequence dialogTitle) {
+        this.dialogTitle = dialogTitle;
+    }
+
+    public CharSequence getDialogMessage() {
+        return dialogMessage;
+    }
+
+    public void setDialogMessage(CharSequence dialogMessage) {
+        this.dialogMessage = dialogMessage;
+    }
+}

AndroidCompat/src/main/java/androidx/preference/Preference.java

@@ -0,0 +1,68 @@
+package androidx.preference;
+
+/*
+ * Copyright (C) Contributors to the Suwayomi project
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
+
+import android.content.Context;
+import com.fasterxml.jackson.annotation.JsonIgnore;
+
+/** A minimal implementation of androidx.preference.Preference */
+public class Preference {
+    // reference: https://android.googlesource.com/platform/frameworks/support/+/996971f962fcd554339a7cb2859cef9ca89dbcb7/preference/preference/src/main/java/androidx/preference/Preference.java
+    // Note: `Preference` doesn't actually hold or persist the value, `OnPreferenceChangeListener` is called and it's up to the extension to persist it.
+
+    @JsonIgnore
+    protected Context context;
+
+    private String key;
+    private CharSequence title;
+    private Object defaultValue;
+
+    @JsonIgnore
+    public OnPreferenceChangeListener onChangeListener;
+
+    public Preference(Context context) {
+        this.context = context;
+    }
+
+    public Context getContext() {
+        return context;
+    }
+
+    public String getKey() {
+        return key;
+    }
+
+    public void setKey(String key) {
+        this.key = key;
+    }
+
+    public void setDefaultValue(Object defaultValue) {
+        this.defaultValue = defaultValue;
+    }
+
+    public CharSequence getTitle() {
+        return title;
+    }
+
+    public void setOnPreferenceChangeListener(OnPreferenceChangeListener onPreferenceChangeListener) {
+        this.onChangeListener = onPreferenceChangeListener;
+    }
+
+    public boolean callChangeListener(Object newValue) {
+        return onChangeListener == null || onChangeListener.onPreferenceChange(this, newValue);
+    }
+
+    public Object getDefaultValue() {
+        return defaultValue;
+    }
+
+    public interface OnPreferenceChangeListener {
+        boolean onPreferenceChange(Preference preference, Object newValue);
+    }
+
+}

AndroidCompat/src/main/java/androidx/preference/PreferenceScreen.java

@@ -1,4 +1,32 @@
 package androidx.preference;
 
-public class PreferenceScreen {
+/*
+ * Copyright (C) Contributors to the Suwayomi project
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
+
+import android.content.Context;
+
+import java.util.LinkedList;
+import java.util.List;
+
+public class PreferenceScreen extends Preference {
+    private List<Preference> preferences = new LinkedList<>();
+
+
+    public PreferenceScreen(Context context) {
+        super(context);
+    }
+
+    public boolean addPreference(Preference preference) {
+        preferences.add(preference);
+
+        return true;
+    }
+
+    public List<Preference> getPreferences(){
+        return preferences;
+    }
 }

AndroidCompat/src/main/java/xyz/nulldev/androidcompat/androidimpl/CustomContext.java

@@ -50,10 +50,9 @@ import java.util.Map;
 /**
  * Custom context implementation.
  *
- * TODO Deal with packagemanager for extension sources
  */
 public class CustomContext extends Context implements DIAware {
-    private DI kodein;
+    private final DI kodein;
     public CustomContext() {
         this(KodeinGlobalHelper.kodein());
     }
@@ -734,4 +733,3 @@ public class CustomContext extends Context implements DIAware {
     }
 }
 
-

AndroidCompat/src/main/java/xyz/nulldev/androidcompat/io/AndroidFiles.kt

@@ -26,6 +26,8 @@ class AndroidFiles(val configManager: ConfigManager = GlobalConfigManager) {
     val downloadCacheDir: File get() = registerFile(filesConfig.downloadCacheDir)
     val databasesDir: File get() = registerFile(filesConfig.databasesDir)
 
+    val prefsDir: File get() = registerFile(filesConfig.prefsDir)
+
     val packagesDir: File get() = registerFile(filesConfig.packageDir)
 
     fun registerFile(file: String): File {

AndroidCompat/src/main/java/xyz/nulldev/androidcompat/io/sharedprefs/JavaSharedPreferences.kt

@@ -1,5 +1,12 @@
 package xyz.nulldev.androidcompat.io.sharedprefs
 
+/*
+ * Copyright (C) Contributors to the Suwayomi project
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
+
 import android.content.SharedPreferences
 import com.russhwolf.settings.ExperimentalSettingsApi
 import com.russhwolf.settings.ExperimentalSettingsImplementation

AndroidCompat/src/main/java/xyz/nulldev/androidcompat/io/sharedprefs/JsonSharedPreferences.java

@@ -233,7 +233,7 @@ public class JsonSharedPreferences implements SharedPreferences {
         private JsonSharedPreferencesEditor() {
         }
 
-        private void recordChange(String key) {
+        private void  recordChange(String key) {
             if (!affectedKeys.contains(key)) {
                 affectedKeys.add(key);
             }