Generic settings controller merge (#584)

* Update how optionsContext is assigned to targets

* Add getSettings and modifySettings

* Merge DOMSettingsBinder into GenericSettingController

* Remove old DOMSettingsBinder

3 files changed, 107 insertions, 141 deletions

diff --git a/ext/bg/js/settings/dom-settings-binder.js b/ext/bg/js/settings/dom-settings-binder.js
deleted file mode 100644
index 07da4f37..00000000
--- a/ext/bg/js/settings/dom-settings-binder.js
+++ /dev/null
@@ -1,122 +0,0 @@
-/*
- * Copyright (C) 2020  Yomichan Authors
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <https://www.gnu.org/licenses/>.
- */
-
-/* global
- * DOMDataBinder
- * api
- */
-
-class DOMSettingsBinder {
-    constructor({getOptionsContext, source=null, transforms=null}) {
-        this._getOptionsContext = getOptionsContext;
-        this._source = source;
-        this._defaultScope = 'profile';
-        this._dataBinder = new DOMDataBinder({
-            selector: '[data-setting]',
-            createElementMetadata: this._createElementMetadata.bind(this),
-            compareElementMetadata: this._compareElementMetadata.bind(this),
-            getValues: this._getValues.bind(this),
-            setValues: this._setValues.bind(this)
-        });
-        this._transforms = new Map(transforms !== null ? transforms : []);
-    }
-
-    observe(element) {
-        this._dataBinder.observe(element);
-    }
-
-    disconnect() {
-        this._dataBinder.disconnect();
-    }
-
-    refresh() {
-        this._dataBinder.refresh();
-    }
-
-    // Private
-
-    _createElementMetadata(element) {
-        return {
-            path: element.dataset.setting,
-            scope: element.dataset.scope,
-            transformPre: element.dataset.transformPre,
-            transformPost: element.dataset.transformPost
-        };
-    }
-
-    _compareElementMetadata(metadata1, metadata2) {
-        return (
-            metadata1.path === metadata2.path &&
-            metadata1.scope === metadata2.scope &&
-            metadata1.transformPre === metadata2.transformPre &&
-            metadata1.transformPost === metadata2.transformPost
-        );
-    }
-
-    async _getValues(targets) {
-        const settingsTargets = [];
-        for (const {metadata: {path, scope}} of targets) {
-            const target = {
-                path,
-                scope: scope || this._defaultScope
-            };
-            if (target.scope === 'profile') {
-                target.optionsContext = this._getOptionsContext();
-            }
-            settingsTargets.push(target);
-        }
-        return this._transformResults(await api.getSettings(settingsTargets), targets);
-    }
-
-    async _setValues(targets) {
-        const settingsTargets = [];
-        for (const {metadata, value, element} of targets) {
-            const {path, scope, transformPre} = metadata;
-            const target = {
-                path,
-                scope: scope || this._defaultScope,
-                action: 'set',
-                value: this._transform(value, transformPre, metadata, element)
-            };
-            if (target.scope === 'profile') {
-                target.optionsContext = this._getOptionsContext();
-            }
-            settingsTargets.push(target);
-        }
-        return this._transformResults(await api.modifySettings(settingsTargets, this._source), targets);
-    }
-
-    _transform(value, transform, metadata, element) {
-        if (typeof transform === 'string') {
-            const transformFunction = this._transforms.get(transform);
-            if (typeof transformFunction !== 'undefined') {
-                value = transformFunction(value, metadata, element);
-            }
-        }
-        return value;
-    }
-
-    _transformResults(values, targets) {
-        return values.map((value, i) => {
-            const error = value.error;
-            if (error) { return jsonToError(error); }
-            const {metadata, element} = targets[i];
-            const result = this._transform(value.result, metadata.transformPost, metadata, element);
-            return {result};
-        });
-    }
-}
diff --git a/ext/bg/js/settings/generic-setting-controller.js b/ext/bg/js/settings/generic-setting-controller.js
index aa3118e5..bdea8e3d 100644
--- a/ext/bg/js/settings/generic-setting-controller.js
+++ b/ext/bg/js/settings/generic-setting-controller.js
@@ -16,37 +16,107 @@
  */
 
 /* globals
- * DOMSettingsBinder
- * utilBackgroundIsolate
+ * DOMDataBinder
  */
 
 class GenericSettingController {
     constructor(settingsController) {
         this._settingsController = settingsController;
-        this._settingsBinder = null;
+        this._defaultScope = 'profile';
+        this._dataBinder = new DOMDataBinder({
+            selector: '[data-setting]',
+            createElementMetadata: this._createElementMetadata.bind(this),
+            compareElementMetadata: this._compareElementMetadata.bind(this),
+            getValues: this._getValues.bind(this),
+            setValues: this._setValues.bind(this)
+        });
+        this._transforms = new Map([
+            ['setDocumentAttribute', this._setDocumentAttribute.bind(this)],
+            ['splitTags', this._splitTags.bind(this)],
+            ['joinTags', this._joinTags.bind(this)]
+        ]);
     }
 
     async prepare() {
-        this._settingsBinder = new DOMSettingsBinder({
-            getOptionsContext: () => this._settingsController.getOptionsContext(),
-            source: this._settingsController.source,
-            transforms: [
-                ['setDocumentAttribute', this._setDocumentAttribute.bind(this)],
-                ['splitTags', this._splitTags.bind(this)],
-                ['joinTags', this._joinTags.bind(this)]
-            ]
-        });
-        this._settingsBinder.observe(document.body);
-
+        this._dataBinder.observe(document.body);
         this._settingsController.on('optionsChanged', this._onOptionsChanged.bind(this));
     }
 
     // Private
 
     _onOptionsChanged() {
-        this._settingsBinder.refresh();
+        this._dataBinder.refresh();
+    }
+
+    _createElementMetadata(element) {
+        return {
+            path: element.dataset.setting,
+            scope: element.dataset.scope,
+            transformPre: element.dataset.transformPre,
+            transformPost: element.dataset.transformPost
+        };
+    }
+
+    _compareElementMetadata(metadata1, metadata2) {
+        return (
+            metadata1.path === metadata2.path &&
+            metadata1.scope === metadata2.scope &&
+            metadata1.transformPre === metadata2.transformPre &&
+            metadata1.transformPost === metadata2.transformPost
+        );
+    }
+
+    async _getValues(targets) {
+        const defaultScope = this._defaultScope;
+        const settingsTargets = [];
+        for (const {metadata: {path, scope}} of targets) {
+            const target = {
+                path,
+                scope: scope || defaultScope
+            };
+            settingsTargets.push(target);
+        }
+        return this._transformResults(await this._settingsController.getSettings(settingsTargets), targets);
     }
 
+    async _setValues(targets) {
+        const defaultScope = this._defaultScope;
+        const settingsTargets = [];
+        for (const {metadata, value, element} of targets) {
+            const {path, scope, transformPre} = metadata;
+            const target = {
+                path,
+                scope: scope || defaultScope,
+                action: 'set',
+                value: this._transform(value, transformPre, metadata, element)
+            };
+            settingsTargets.push(target);
+        }
+        return this._transformResults(await this._settingsController.modifySettings(settingsTargets), targets);
+    }
+
+    _transformResults(values, targets) {
+        return values.map((value, i) => {
+            const error = value.error;
+            if (error) { return jsonToError(error); }
+            const {metadata, element} = targets[i];
+            const result = this._transform(value.result, metadata.transformPost, metadata, element);
+            return {result};
+        });
+    }
+
+    _transform(value, transform, metadata, element) {
+        if (typeof transform === 'string') {
+            const transformFunction = this._transforms.get(transform);
+            if (typeof transformFunction !== 'undefined') {
+                value = transformFunction(value, metadata, element);
+            }
+        }
+        return value;
+    }
+
+    // Transforms
+
     _setDocumentAttribute(value, metadata, element) {
         document.documentElement.setAttribute(element.dataset.documentAttribute, `${value}`);
         return value;
diff --git a/ext/bg/js/settings/settings-controller.js b/ext/bg/js/settings/settings-controller.js
index 4c902dff..87dea408 100644
--- a/ext/bg/js/settings/settings-controller.js
+++ b/ext/bg/js/settings/settings-controller.js
@@ -73,12 +73,20 @@ class SettingsController extends EventDispatcher {
         this._setProfileIndex(profileIndex);
     }
 
+    async getSettings(targets) {
+        return await this._getSettings(targets, {});
+    }
+
     async getGlobalSettings(targets) {
         return await this._getSettings(targets, {scope: 'global'});
     }
 
     async getProfileSettings(targets) {
-        return await this._getSettings(targets, {scope: 'profile', optionsContext: this.getOptionsContext()});
+        return await this._getSettings(targets, {scope: 'profile'});
+    }
+
+    async modifySettings(targets) {
+        return await this._modifySettings(targets, {});
     }
 
     async modifyGlobalSettings(targets) {
@@ -86,7 +94,7 @@ class SettingsController extends EventDispatcher {
     }
 
     async modifyProfileSettings(targets) {
-        return await this._modifySettings(targets, {scope: 'profile', optionsContext: this.getOptionsContext()});
+        return await this._modifySettings(targets, {scope: 'profile'});
     }
 
     async setGlobalSetting(path, value) {
@@ -120,13 +128,23 @@ class SettingsController extends EventDispatcher {
         this.trigger('optionsChanged', {options, optionsContext});
     }
 
+    _setupTargets(targets, extraFields) {
+        return targets.map((target) => {
+            target = Object.assign({}, extraFields, target);
+            if (target.scope === 'profile') {
+                target.optionsContext = this.getOptionsContext();
+            }
+            return target;
+        });
+    }
+
     async _getSettings(targets, extraFields) {
-        targets = targets.map((target) => Object.assign({}, target, extraFields));
+        targets = this._setupTargets(targets, extraFields);
         return await api.getSettings(targets);
     }
 
     async _modifySettings(targets, extraFields) {
-        targets = targets.map((target) => Object.assign({}, target, extraFields));
+        targets = this._setupTargets(targets, extraFields);
         return await api.modifySettings(targets, this._source);
     }
 }