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/* 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 http://mozilla.org/MPL/2.0/. */
import { html, ifDefined } from "chrome://global/content/vendor/lit.all.mjs";
import { MozLitElement } from "chrome://global/content/lit-utils.mjs";
const lazy = {};
ChromeUtils.defineESModuleGetters(lazy, {
DeferredTask: "resource://gre/modules/DeferredTask.sys.mjs",
});
const SEARCH_DEBOUNCE_RATE_MS = 500;
const SEARCH_DEBOUNCE_TIMEOUT_MS = 1000;
/**
* A search box that displays a search icon and is clearable. Updates to the
* search query trigger a `fxview-search-textbox-query` event with the current
* query value.
*
* There is no actual searching done here. That needs to be implemented by the
* `fxview-search-textbox-query` event handler. `searchTabList()` from
* `helpers.mjs` can be used as a starting point.
*
* @property {string} placeholder
* The placeholder text for the search box.
* @property {number} size
* The width (number of characters) of the search box.
* @property {string} pageName
* The hash for the page name that the search input is located on.
*/
export default class FxviewSearchTextbox extends MozLitElement {
static properties = {
placeholder: { type: String },
size: { type: Number },
pageName: { type: String },
};
static queries = {
clearButton: ".clear-icon",
input: "input",
};
#query = "";
constructor() {
super();
this.searchTask = new lazy.DeferredTask(
() => this.#dispatchQueryEvent(),
SEARCH_DEBOUNCE_RATE_MS,
SEARCH_DEBOUNCE_TIMEOUT_MS
);
}
disconnectedCallback() {
super.disconnectedCallback();
if (!this.searchTask?.isFinalized) {
this.searchTask?.finalize();
}
}
focus() {
this.input.focus();
}
blur() {
this.input.blur();
}
onInput(event) {
this.#query = event.target.value.trim();
event.preventDefault();
this.onSearch();
}
/**
* Handler for query updates from keyboard input, and textbox clears from 'X'
* button.
*/
onSearch() {
this.searchTask?.arm();
this.requestUpdate();
}
clear(event) {
if (
event.type == "click" ||
(event.type == "keydown" && event.code == "Enter") ||
(event.type == "keydown" && event.code == "Space")
) {
this.#query = "";
event.preventDefault();
this.onSearch();
}
}
#dispatchQueryEvent() {
window.scrollTo(0, 0);
this.dispatchEvent(
new CustomEvent("fxview-search-textbox-query", {
bubbles: true,
composed: true,
detail: { query: this.#query },
})
);
Services.telemetry.recordEvent(
"firefoxview_next",
"search_initiated",
"search",
null,
{
page: this.pageName,
}
);
}
render() {
return html`
<link rel="stylesheet" href="chrome://browser/content/firefoxview/fxview-search-textbox.css" />
<div class="search-container">
<div class="search-icon"></div>
<input
type="search"
.placeholder=${ifDefined(this.placeholder)}
.size=${ifDefined(this.size)}
.value=${this.#query}
@input=${this.onInput}
></input>
<div
class="clear-icon"
role="button"
tabindex="0"
?hidden=${!this.#query}
@click=${this.clear}
@keydown=${this.clear}
data-l10n-id="firefoxview-search-text-box-clear-button"
></div>
</div>`;
}
}
customElements.define("fxview-search-textbox", FxviewSearchTextbox);
|
