Add modal controller class (#908)

* Add ModalController

* Use modalController instead of new Modal

8 files changed, 94 insertions, 18 deletions

diff --git a/ext/bg/js/settings/anki-templates-controller.js b/ext/bg/js/settings/anki-templates-controller.js
index f2e5be43..65900336 100644
--- a/ext/bg/js/settings/anki-templates-controller.js
+++ b/ext/bg/js/settings/anki-templates-controller.js
@@ -23,8 +23,9 @@
  */
 
 class AnkiTemplatesController {
-    constructor(settingsController, ankiController) {
+    constructor(settingsController, modalController, ankiController) {
         this._settingsController = settingsController;
+        this._modalController = modalController;
         this._ankiController = ankiController;
         this._cachedDefinitionValue = null;
         this._cachedDefinitionText = null;
@@ -36,7 +37,7 @@ class AnkiTemplatesController {
     async prepare() {
         this._defaultFieldTemplates = await api.getDefaultAnkiFieldTemplates();
 
-        this._fieldTemplateResetModal = new Modal(document.querySelector('#field-template-reset-modal'));
+        this._fieldTemplateResetModal = this._modalController.getModal('field-template-reset-modal');
 
         const markers = new Set([
             ...this._ankiController.getFieldMarkers('terms'),
diff --git a/ext/bg/js/settings/backup-controller.js b/ext/bg/js/settings/backup-controller.js
index 80f83eb7..50390d5c 100644
--- a/ext/bg/js/settings/backup-controller.js
+++ b/ext/bg/js/settings/backup-controller.js
@@ -22,8 +22,9 @@
  */
 
 class BackupController {
-    constructor(settingsController) {
+    constructor(settingsController, modalController) {
         this._settingsController = settingsController;
+        this._modalController = modalController;
         this._settingsExportToken = null;
         this._settingsExportRevoke = null;
         this._currentVersion = 0;
@@ -36,9 +37,9 @@ class BackupController {
     async prepare() {
         await this._optionsUtil.prepare();
 
-        this._settingsResetModal = new Modal(document.querySelector('#settings-reset-modal'));
-        this._settingsImportErrorModal = new Modal(document.querySelector('#settings-import-error-modal'));
-        this._settingsImportWarningModal = new Modal(document.querySelector('#settings-import-warning-modal'));
+        this._settingsResetModal = this._modalController.getModal('settings-reset-modal');
+        this._settingsImportErrorModal = this._modalController.getModal('settings-import-error-modal');
+        this._settingsImportWarningModal = this._modalController.getModal('settings-import-warning-modal');
 
         document.querySelector('#settings-export').addEventListener('click', this._onSettingsExportClick.bind(this), false);
         document.querySelector('#settings-import').addEventListener('click', this._onSettingsImportClick.bind(this), false);
diff --git a/ext/bg/js/settings/dictionary-controller.js b/ext/bg/js/settings/dictionary-controller.js
index cbbd0a8e..34a4b933 100644
--- a/ext/bg/js/settings/dictionary-controller.js
+++ b/ext/bg/js/settings/dictionary-controller.js
@@ -144,8 +144,9 @@ class DictionaryEntry {
 }
 
 class DictionaryController {
-    constructor(settingsController) {
+    constructor(settingsController, modalController) {
         this._settingsController = settingsController;
+        this._modalController = modalController;
         this._dictionaries = null;
         this._dictionaryEntries = [];
         this._databaseStateToken = null;
@@ -166,7 +167,7 @@ class DictionaryController {
         this._checkIntegrityButton = document.querySelector('#dict-check-integrity');
         this._dictionaryEntryContainer = document.querySelector('#dict-groups');
         this._integrityExtraInfoContainer = document.querySelector('#dict-groups-extra');
-        this._deleteDictionaryModal = new Modal(document.querySelector('#dict-delete-modal'));
+        this._deleteDictionaryModal = this._modalController.getModal('dict-delete-modal');
 
         yomichan.on('databaseUpdated', this._onDatabaseUpdated.bind(this));
 
diff --git a/ext/bg/js/settings/dictionary-import-controller.js b/ext/bg/js/settings/dictionary-import-controller.js
index a78378e8..2c954ef8 100644
--- a/ext/bg/js/settings/dictionary-import-controller.js
+++ b/ext/bg/js/settings/dictionary-import-controller.js
@@ -24,8 +24,9 @@
  */
 
 class DictionaryImportController {
-    constructor(settingsController, storageController) {
+    constructor(settingsController, modalController, storageController) {
         this._settingsController = settingsController;
+        this._modalController = modalController;
         this._storageController = storageController;
         this._modifying = false;
         this._purgeButton = null;
@@ -54,7 +55,7 @@ class DictionaryImportController {
         this._purgeConfirmButton = document.querySelector('#dict-purge-confirm');
         this._importFileButton = document.querySelector('#dict-file-button');
         this._importFileInput = document.querySelector('#dict-file');
-        this._purgeConfirmModal = new Modal(document.querySelector('#dict-purge-modal'));
+        this._purgeConfirmModal = this._modalController.getModal('dict-purge-modal');
         this._errorContainer = document.querySelector('#dict-error');
         this._spinner = document.querySelector('#dict-spinner');
         this._progressContainer = document.querySelector('#dict-import-progress');
diff --git a/ext/bg/js/settings/main.js b/ext/bg/js/settings/main.js
index 37c6375d..3b2ff29d 100644
--- a/ext/bg/js/settings/main.js
+++ b/ext/bg/js/settings/main.js
@@ -24,6 +24,7 @@
  * DictionaryController
  * DictionaryImportController
  * GenericSettingController
+ * ModalController
  * PopupPreviewController
  * ProfileController
  * ScanInputsController
@@ -57,6 +58,9 @@ async function setupEnvironmentInfo() {
 
         const optionsFull = await api.optionsGetFull();
 
+        const modalController = new ModalController();
+        modalController.prepare();
+
         const settingsController = new SettingsController(optionsFull.profileCurrent);
         settingsController.prepare();
 
@@ -75,22 +79,22 @@ async function setupEnvironmentInfo() {
         const audioController = new AudioController(settingsController);
         audioController.prepare();
 
-        const profileController = new ProfileController(settingsController);
+        const profileController = new ProfileController(settingsController, modalController);
         profileController.prepare();
 
-        const dictionaryController = new DictionaryController(settingsController);
+        const dictionaryController = new DictionaryController(settingsController, modalController);
         dictionaryController.prepare();
 
-        const dictionaryImportController = new DictionaryImportController(settingsController, storageController);
+        const dictionaryImportController = new DictionaryImportController(settingsController, modalController, storageController);
         dictionaryImportController.prepare();
 
         const ankiController = new AnkiController(settingsController);
         ankiController.prepare();
 
-        const ankiTemplatesController = new AnkiTemplatesController(settingsController, ankiController);
+        const ankiTemplatesController = new AnkiTemplatesController(settingsController, modalController, ankiController);
         ankiTemplatesController.prepare();
 
-        const settingsBackup = new BackupController(settingsController);
+        const settingsBackup = new BackupController(settingsController, modalController);
         settingsBackup.prepare();
 
         const scanInputsController = new ScanInputsController(settingsController);
diff --git a/ext/bg/js/settings/modal-controller.js b/ext/bg/js/settings/modal-controller.js
new file mode 100644
index 00000000..d604b050
--- /dev/null
+++ b/ext/bg/js/settings/modal-controller.js
@@ -0,0 +1,66 @@
+/*
+ * 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
+ * Modal
+ */
+
+class ModalController {
+    constructor() {
+        this._modals = [];
+        this._modalMap = new Map();
+    }
+
+    prepare() {
+        for (const node of document.querySelectorAll('.modal')) {
+            const {id} = node;
+            const modal = new Modal(node);
+            this._modalMap.set(id, modal);
+            this._modals.push(modal);
+        }
+
+        for (const node of document.querySelectorAll('.modal-container')) {
+            const {id} = node;
+            const modal = new Modal(node);
+            this._modalMap.set(id, modal);
+            this._modals.push(modal);
+            node.addEventListener('click', this._onModalContainerClick.bind(this, modal), false);
+        }
+    }
+
+    getModal(name) {
+        const modal = this._modalMap.get(name);
+        return (typeof modal !== 'undefined' ? modal : null);
+    }
+
+    getTopVisibleModal() {
+        for (let i = this._modals.length - 1; i >= 0; --i) {
+            const modal = this._modals[i];
+            if (modal.isVisible()) {
+                return modal;
+            }
+        }
+        return null;
+    }
+
+    // Private
+
+    _onModalContainerClick(modal, e) {
+        if (e.currentTarget !== e.target) { return; }
+        modal.setVisible(false);
+    }
+}
diff --git a/ext/bg/js/settings/profile-controller.js b/ext/bg/js/settings/profile-controller.js
index 7c6dfae5..63a82c40 100644
--- a/ext/bg/js/settings/profile-controller.js
+++ b/ext/bg/js/settings/profile-controller.js
@@ -22,8 +22,9 @@
  */
 
 class ProfileController {
-    constructor(settingsController) {
+    constructor(settingsController, modalController) {
         this._settingsController = settingsController;
+        this._modalController = modalController;
         this._profileConditionsUI = new ProfileConditionsUI(settingsController);
         this._profileActiveSelect = null;
         this._profileTargetSelect = null;
@@ -52,8 +53,8 @@ class ProfileController {
         this._profileCopyButton = document.querySelector('#profile-copy');
         this._profileMoveUpButton = document.querySelector('#profile-move-up');
         this._profileMoveDownButton = document.querySelector('#profile-move-down');
-        this._profileRemoveModal = new Modal(document.querySelector('#profile-remove-modal'));
-        this._profileCopyModal = new Modal(document.querySelector('#profile-copy-modal'));
+        this._profileRemoveModal = this._modalController.getModal('profile-remove-modal');
+        this._profileCopyModal = this._modalController.getModal('profile-copy-modal');
 
         this._profileActiveSelect.addEventListener('change', this._onProfileActiveChange.bind(this), false);
         this._profileTargetSelect.addEventListener('change', this._onProfileTargetChange.bind(this), false);
diff --git a/ext/bg/settings.html b/ext/bg/settings.html
index c36bd8bf..18e3e389 100644
--- a/ext/bg/settings.html
+++ b/ext/bg/settings.html
@@ -1246,6 +1246,7 @@
         <script src="/bg/js/settings/dictionary-controller.js"></script>
         <script src="/bg/js/settings/dictionary-import-controller.js"></script>
         <script src="/bg/js/settings/generic-setting-controller.js"></script>
+        <script src="/bg/js/settings/modal-controller.js"></script>
         <script src="/bg/js/settings/popup-preview-controller.js"></script>
         <script src="/bg/js/settings/profile-controller.js"></script>
         <script src="/bg/js/settings/scan-inputs-controller.js"></script>