1 files changed, 127 insertions, 0 deletions
diff --git a/ext/js/app/popup.js b/ext/js/app/popup.js
index 3a29563d..7581c8d7 100644
--- a/ext/js/app/popup.js
+++ b/ext/js/app/popup.js
@@ -21,7 +21,18 @@
  * dynamicLoader
  */
 
+/**
+ * This class is the container which hosts the display of search results.
+ */
 class Popup extends EventDispatcher {
+    /**
+     * Creates a new instance.
+     * @param {object} details
+     * @param {string} details.id The ID of the popup.
+     * @param {number} details.depth The depth of the popup.
+     * @param {number} details.frameId The ID of the host frame.
+     * @param {boolean} details.childrenSupported Whether or not the popup is able to show child popups.
+     */
     constructor({
         id,
         depth,
@@ -59,44 +70,84 @@ class Popup extends EventDispatcher {
 
     // Public properties
 
+    /**
+     * The ID of the popup.
+     * @type {string}
+     */
     get id() {
         return this._id;
     }
 
+    /**
+     * The parent of the popup.
+     * @type {Popup}
+     */
     get parent() {
         return this._parent;
     }
 
+    /**
+     * Sets the parent popup.
+     * @param {Popup} value The parent popup to assign.
+     */
     set parent(value) {
         this._parent = value;
     }
 
+    /**
+     * The child of the popup.
+     * @type {Popup}
+     */
     get child() {
         return this._child;
     }
 
+    /**
+     * Sets the child popup.
+     * @param {Popup} value The child popup to assign.
+     */
     set child(value) {
         this._child = value;
     }
 
+    /**
+     * The depth of the popup.
+     * @type {numer}
+     */
     get depth() {
         return this._depth;
     }
 
+    /**
+     * Gets the content window of the frame, which can be `null`
+     * depending on the current state of the frame.
+     * @type {?Window}
+     */
     get frameContentWindow() {
         return this._frame.contentWindow;
     }
 
+    /**
+     * Gets the DOM node that contains the frame.
+     * @type {Element}
+     */
     get container() {
         return this._container;
     }
 
+    /**
+     * Gets the ID of the frame.
+     * @type {number}
+     */
     get frameId() {
         return this._frameId;
     }
 
     // Public functions
 
+    /**
+     * Prepares the popup for use.
+     */
     prepare() {
         this._frame.addEventListener('mouseover', this._onFrameMouseOver.bind(this));
         this._frame.addEventListener('mouseout', this._onFrameMouseOut.bind(this));
@@ -108,11 +159,19 @@ class Popup extends EventDispatcher {
         this._onVisibleChange({value: this.isVisibleSync()});
     }
 
+    /**
+     * Sets the options context for the popup.
+     * @param {object} optionsContext The options context object.
+     */
     async setOptionsContext(optionsContext) {
         await this._setOptionsContext(optionsContext);
         await this._invokeSafe('setOptionsContext', {optionsContext});
     }
 
+    /**
+     * Hides the popup.
+     * @param {boolean} changeFocus Whether or not the parent popup or host frame should be focused.
+     */
     hide(changeFocus) {
         if (!this.isVisibleSync()) {
             return;
@@ -127,18 +186,40 @@ class Popup extends EventDispatcher {
         }
     }
 
+    /**
+     * Returns whether or not the popup is currently visible.
+     * @returns {Promise<boolean>} `true` if the popup is visible, `false` otherwise.
+     */
     async isVisible() {
         return this.isVisibleSync();
     }
 
+    /**
+     * Force assigns the visibility of the popup.
+     * @param {boolean} value Whether or not the popup should be visible.
+     * @param {number} priority The priority of the override.
+     * @returns {Promise<string?>} A token used which can be passed to `clearVisibleOverride`,
+     *   or null if the override wasn't assigned.
+     */
     async setVisibleOverride(value, priority) {
         return this._visible.setOverride(value, priority);
     }
 
+    /**
+     * Clears a visibility override that was generated by `setVisibleOverride`.
+     * @param {string} token The token returned from `setVisibleOverride`.
+     * @returns {Promise<boolean>} `true` if the override existed and was removed, `false` otherwise.
+     */
     async clearVisibleOverride(token) {
         return this._visible.clearOverride(token);
     }
 
+    /**
+     * Checks whether a point is contained within the popup's rect.
+     * @param {number} x The x coordinate.
+     * @param {number} y The y coordinate.
+     * @returns {Promise<boolean>} `true` if the point is contained within the popup's rect, `false` otherwise.
+     */
     async containsPoint(x, y) {
         for (let popup = this; popup !== null && popup.isVisibleSync(); popup = popup.child) {
             const rect = popup.getFrameRect();
@@ -149,6 +230,12 @@ class Popup extends EventDispatcher {
         return false;
     }
 
+    /**
+     * Shows and updates the positioning and content of the popup.
+     * @param {{optionsContext: object, elementRect: {x: number, y: number, width: number, height: number}, writingMode: string}} details Settings for the outer popup.
+     * @param {object} displayDetails The details parameter passed to `Display.setContent`; see that function for details.
+     * @returns {Promise<void>}
+     */
     async showContent(details, displayDetails) {
         if (this._options === null) { throw new Error('Options not assigned'); }
 
@@ -166,24 +253,43 @@ class Popup extends EventDispatcher {
         }
     }
 
+    /**
+     * Sets the custom styles for the popup content.
+     * @param {string} css The CSS rules.
+     */
     setCustomCss(css) {
         this._invokeSafe('setCustomCss', {css});
     }
 
+    /**
+     * Stops the audio auto-play timer, if one has started.
+     */
     clearAutoPlayTimer() {
         this._invokeSafe('clearAutoPlayTimer');
     }
 
+    /**
+     * Sets the scaling factor of the popup content.
+     * @param {number} scale The scaling factor.
+     */
     setContentScale(scale) {
         this._contentScale = scale;
         this._frame.style.fontSize = `${scale}px`;
         this._invokeSafe('setContentScale', {scale});
     }
 
+    /**
+     * Returns whether or not the popup is currently visible, synchronously.
+     * @returns {boolean} `true` if the popup is visible, `false` otherwise.
+     */
     isVisibleSync() {
         return this._visible.value;
     }
 
+    /**
+     * Updates the outer theme of the popup.
+     * @returns {Promise<void>}
+     */
     updateTheme() {
         const {popupTheme, popupOuterTheme} = this._options.general;
         this._frame.dataset.theme = popupTheme;
@@ -191,6 +297,12 @@ class Popup extends EventDispatcher {
         this._frame.dataset.siteColor = this._getSiteColor();
     }
 
+    /**
+     * Sets the custom styles for the outer popup container.
+     * @param {string} css The CSS rules.
+     * @param {boolean} useWebExtensionApi Whether or not web extension APIs should be used to inject the rules.
+     *   When web extension APIs are used, a DOM node is not generated, making it harder to detect the changes.
+     */
     async setCustomOuterCss(css, useWebExtensionApi) {
         let parentNode = null;
         const inShadow = (this._shadow !== null);
@@ -202,16 +314,31 @@ class Popup extends EventDispatcher {
         this.trigger('customOuterCssChanged', {node, useWebExtensionApi, inShadow});
     }
 
+    /**
+     * Gets the rectangle of the DOM frame, synchronously.
+     * @returns {{x: number, y: number, width: number, height: number, valid: boolean}} The rect.
+     *   `valid` is `false` for `PopupProxy`, since the DOM node is hosted in a different frame.
+     */
     getFrameRect() {
         const {left, top, width, height} = this._frame.getBoundingClientRect();
         return {x: left, y: top, width, height, valid: true};
     }
 
+    /**
+     * Gets the size of the DOM frame.
+     * @returns {Promise<{width: number, height: number, valid: boolean}>} The size and whether or not it is valid.
+     */
     async getFrameSize() {
         const {width, height} = this._frame.getBoundingClientRect();
         return {width, height, valid: true};
     }
 
+    /**
+     * Sets the size of the DOM frame.
+     * @param {number} width The desired width of the popup.
+     * @param {number} height The desired height of the popup.
+     * @returns {Promise<boolean>} `true` if the size assignment was successful, `false` otherwise.
+     */
     async setFrameSize(width, height) {
         this._setFrameSize(width, height);
         return true;