Add UI for editing audio playback sources

ext/bg/css/settings.css

@@ -89,19 +89,24 @@
     text-align-last: center;
 }
 
-.condition-group>.condition>div:first-child {
+.condition-group>.condition>*:first-child,
+.audio-source-list>.audio-source>*:first-child {
     border-bottom-left-radius: 0;
 }
-.condition-group>.condition:nth-child(n+2)>div:first-child {
+.condition-group>.condition:nth-child(n+2)>*:first-child,
+.audio-source-list>.audio-source:nth-child(n+2)>*:first-child {
     border-top-left-radius: 0;
 }
-.condition-group>.condition:nth-child(n+2)>div:last-child>button {
+.condition-group>.condition:nth-child(n+2)>div:last-child>button,
+.audio-source-list>.audio-source:nth-child(n+2)>*:last-child>button {
     border-top-right-radius: 0;
 }
-.condition-group>.condition:nth-last-child(n+2)>div:last-child>button {
+.condition-group>.condition:nth-last-child(n+2)>div:last-child>button,
+.audio-source-list>.audio-source:nth-last-child(n+2)>*:last-child>button {
     border-bottom-right-radius: 0;
 }
-.condition-group-options>.condition-add {
+.condition-group-options>.condition-add,
+.audio-source-options>.audio-source-add {
     border-top-left-radius: 0;
     border-top-right-radius: 0;
 }
@@ -110,6 +115,19 @@
     display: none;
 }
 
+.audio-source-list {
+    counter-reset: audio-source-id;
+}
+.audio-source-list .audio-source-prefix {
+    flex: 0 0 auto;
+    width: 39px;
+    text-align: center;
+}
+.audio-source-list .audio-source-prefix:after {
+    counter-increment: audio-source-id;
+    content: counter(audio-source-id);
+}
+
 #custom-popup-css {
     width: 100%;
     min-height: 34px;

ext/bg/js/audio-ui.js

@@ -0,0 +1,131 @@
+/*
+ * Copyright (C) 2019  Alex Yatskov <alex@foosoft.net>
+ * Author: Alex Yatskov <alex@foosoft.net>
+ *
+ * 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 <http://www.gnu.org/licenses/>.
+ */
+
+
+class AudioSourceUI {
+    static instantiateTemplate(templateSelector) {
+        const template = document.querySelector(templateSelector);
+        const content = document.importNode(template.content, true);
+        return $(content.firstChild);
+    }
+}
+
+AudioSourceUI.Container = class Container {
+    constructor(audioSources, container, addButton) {
+        this.audioSources = audioSources;
+        this.container = container;
+        this.addButton = addButton;
+        this.children = [];
+
+        this.container.empty();
+
+        for (const audioSource of toIterable(audioSources)) {
+            this.children.push(new AudioSourceUI.AudioSource(this, audioSource, this.children.length));
+        }
+
+        this.addButton.on('click', () => this.onAddAudioSource());
+    }
+
+    cleanup() {
+        for (const child of this.children) {
+            child.cleanup();
+        }
+
+        this.addButton.off('click');
+        this.container.empty();
+    }
+
+    save() {
+        // Override
+    }
+
+    remove(child) {
+        const index = this.children.indexOf(child);
+        if (index < 0) {
+            return;
+        }
+
+        child.cleanup();
+        this.children.splice(index, 1);
+        this.audioSources.splice(index, 1);
+
+        for (let i = index; i < this.children.length; ++i) {
+            this.children[i].index = i;
+        }
+    }
+
+    onAddAudioSource() {
+        const audioSource = this.getUnusedAudioSource();
+        this.audioSources.push(audioSource);
+        this.save();
+        this.children.push(new AudioSourceUI.AudioSource(this, audioSource, this.children.length));
+    }
+
+    getUnusedAudioSource() {
+        const audioSourcesAvailable = [
+            'jpod101',
+            'jpod101-alternate',
+            'jisho',
+            'custom'
+        ];
+        for (const source of audioSourcesAvailable) {
+            if (this.audioSources.indexOf(source) < 0) {
+                return source;
+            }
+        }
+        return audioSourcesAvailable[0];
+    }
+};
+
+AudioSourceUI.AudioSource = class AudioSource {
+    constructor(parent, audioSource, index) {
+        this.parent = parent;
+        this.audioSource = audioSource;
+        this.index = index;
+
+        this.container = AudioSourceUI.instantiateTemplate('#audio-source-template').appendTo(parent.container);
+        this.select = this.container.find('.audio-source-select');
+        this.removeButton = this.container.find('.audio-source-remove');
+
+        this.select.val(audioSource);
+
+        this.select.on('change', () => this.onSelectChanged());
+        this.removeButton.on('click', () => this.onRemoveClicked());
+    }
+
+    cleanup() {
+        this.select.off('change');
+        this.removeButton.off('click');
+        this.container.remove();
+    }
+
+    save() {
+        this.parent.save();
+    }
+
+    onSelectChanged() {
+        this.audioSource = this.select.val();
+        this.parent.audioSources[this.index] = this.audioSource;
+        this.save();
+    }
+
+    onRemoveClicked() {
+        this.parent.remove(this);
+        this.save();
+    }
+};

ext/bg/js/settings.js

@@ -158,7 +158,7 @@ function formSetupEventListeners() {
     $('#dict-file-button').click(onDictionaryImportButtonClick);
 
     $('#field-templates-reset').click(utilAsync(onAnkiFieldTemplatesReset));
-    $('input, select, textarea').not('.anki-model').not('.profile-form *').change(utilAsync(onFormOptionsChanged));
+    $('input, select, textarea').not('.anki-model').not('.ignore-form-changes *').change(utilAsync(onFormOptionsChanged));
     $('.anki-model').change(utilAsync(onAnkiModelChanged));
 }
 
@@ -248,6 +248,7 @@ async function onReady() {
     showExtensionInformation();
 
     formSetupEventListeners();
+    await audioSettingsInitialize();
     await profileOptionsSetup();
 
     storageInfoInitialize();
@@ -258,6 +259,20 @@ async function onReady() {
 $(document).ready(utilAsync(onReady));
 
 
+/*
+ * Audio
+ */
+
+let audioSourceUI = null;
+
+async function audioSettingsInitialize() {
+    const optionsContext = getOptionsContext();
+    const options = await apiOptionsGet(optionsContext);
+    audioSourceUI = new AudioSourceUI.Container(options.audio.sources, $('.audio-source-list'), $('.audio-source-add'));
+    audioSourceUI.save = () => apiOptionsSave();
+}
+
+
 /*
  * Remote options updates
  */

ext/bg/settings.html

@@ -14,7 +14,7 @@
                 <h1>Yomichan Options</h1>
             </div>
 
-            <div class="profile-form">
+            <div class="profile-form ignore-form-changes">
                 <h3>Profiles</h3>
 
                 <p class="help-block">
@@ -258,14 +258,23 @@
                     <input type="text" id="audio-custom-source" class="form-control" placeholder="Example: http://localhost/audio.mp3?expression={expression}&reading={reading}">
                 </div>
 
-                <div class="form-group">
+                <div class="form-group ignore-form-changes">
-                    <label for="audio-playback-source">Audio playback source</label>
+                    <label>Audio playback sources</label>
-                    <select class="form-control" id="audio-playback-source">
+                    <div class="audio-source-list"></div>
-                        <option value="disabled">Disabled</option>
+                    <div class="input-group audio-source-options">
-                        <option value="jpod101">JapanesePod101</option>
+                        <button class="btn btn-default audio-source-add" title="Add audio playback source"><span class="glyphicon glyphicon-plus"></span></button>
-                        <option value="jpod101-alternate">JapanesePod101 (alternate)</option>
+                    </div>
-                        <option value="jisho">Jisho.org</option>
+
-                    </select>
+                    <template id="audio-source-template"><div class="input-group audio-source">
+                        <div class="input-group-addon audio-source-prefix"></div>
+                        <select class="form-control audio-source-select">
+                            <option value="jpod101">JapanesePod101</option>
+                            <option value="jpod101-alternate">JapanesePod101 (alternate)</option>
+                            <option value="jisho">Jisho.org</option>
+                            <option value="custom">Custom</option>
+                        </select>
+                        <div class="input-group-btn"><button class="btn btn-danger audio-source-remove" title="Remove"><span class="glyphicon glyphicon-remove"></span></button></div>
+                    </div></template>
                 </div>
             </div>
 
@@ -587,6 +596,7 @@
 
         <script src="/bg/js/anki.js"></script>
         <script src="/bg/js/api.js"></script>
+        <script src="/bg/js/audio-ui.js"></script>
         <script src="/bg/js/conditions.js"></script>
         <script src="/bg/js/conditions-ui.js"></script>
         <script src="/bg/js/dictionary.js"></script>