1 files changed, 103 insertions, 0 deletions
diff --git a/devtools/client/responsive/components/UserAgentInput.js b/devtools/client/responsive/components/UserAgentInput.js
new file mode 100644
index 0000000000..d24fc99c6f
--- /dev/null
+++ b/devtools/client/responsive/components/UserAgentInput.js
@@ -0,0 +1,103 @@
+/* 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/. */
+
+"use strict";
+
+const {
+  PureComponent,
+} = require("resource://devtools/client/shared/vendor/react.js");
+const dom = require("resource://devtools/client/shared/vendor/react-dom-factories.js");
+const PropTypes = require("resource://devtools/client/shared/vendor/react-prop-types.js");
+const {
+  connect,
+} = require("resource://devtools/client/shared/vendor/react-redux.js");
+const { KeyCodes } = require("resource://devtools/client/shared/keycodes.js");
+
+const {
+  getStr,
+} = require("resource://devtools/client/responsive/utils/l10n.js");
+
+class UserAgentInput extends PureComponent {
+  static get propTypes() {
+    return {
+      onChangeUserAgent: PropTypes.func.isRequired,
+      userAgent: PropTypes.string.isRequired,
+    };
+  }
+
+  constructor(props) {
+    super(props);
+
+    this.state = {
+      // The user agent input value.
+      value: this.props.userAgent,
+    };
+
+    this.onChange = this.onChange.bind(this);
+    this.onKeyUp = this.onKeyUp.bind(this);
+  }
+
+  // FIXME: https://bugzilla.mozilla.org/show_bug.cgi?id=1774507
+  UNSAFE_componentWillReceiveProps(nextProps) {
+    if (this.props.userAgent !== nextProps.userAgent) {
+      this.setState({ value: nextProps.userAgent });
+    }
+  }
+
+  /**
+   * Input change handler.
+   *
+   * @param  {Event} event
+   */
+  onChange({ target }) {
+    const value = target.value;
+
+    this.setState(prevState => {
+      return {
+        ...prevState,
+        value,
+      };
+    });
+  }
+
+  /**
+   * Input key up handler.
+   *
+   * @param  {Event} event
+   */
+  onKeyUp({ target, keyCode }) {
+    if (keyCode == KeyCodes.DOM_VK_RETURN) {
+      this.props.onChangeUserAgent(target.value);
+      target.blur();
+    }
+
+    if (keyCode == KeyCodes.DOM_VK_ESCAPE) {
+      target.blur();
+    }
+  }
+
+  render() {
+    return dom.label(
+      { id: "user-agent-label" },
+      "UA:",
+      dom.input({
+        id: "user-agent-input",
+        className: "text-input",
+        onChange: this.onChange,
+        onKeyUp: this.onKeyUp,
+        placeholder: getStr("responsive.customUserAgent"),
+        type: "text",
+        value: this.state.value,
+      })
+    );
+  }
+}
+
+const mapStateToProps = state => {
+  return {
+    userAgent: state.ui.userAgent,
+  };
+};
+
+module.exports = connect(mapStateToProps)(UserAgentInput);