5 files changed, 166 insertions, 0 deletions
diff --git a/devtools/client/inspector/fonts/actions/font-editor.js b/devtools/client/inspector/fonts/actions/font-editor.js
new file mode 100644
index 0000000000..0542604d7b
--- /dev/null
+++ b/devtools/client/inspector/fonts/actions/font-editor.js
@@ -0,0 +1,70 @@
+/* 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 {
+  APPLY_FONT_VARIATION_INSTANCE,
+  RESET_EDITOR,
+  SET_FONT_EDITOR_DISABLED,
+  UPDATE_AXIS_VALUE,
+  UPDATE_EDITOR_STATE,
+  UPDATE_PROPERTY_VALUE,
+  UPDATE_WARNING_MESSAGE,
+} = require("resource://devtools/client/inspector/fonts/actions/index.js");
+
+module.exports = {
+  resetFontEditor() {
+    return {
+      type: RESET_EDITOR,
+    };
+  },
+
+  setEditorDisabled(disabled = false) {
+    return {
+      type: SET_FONT_EDITOR_DISABLED,
+      disabled,
+    };
+  },
+
+  applyInstance(name, values) {
+    return {
+      type: APPLY_FONT_VARIATION_INSTANCE,
+      name,
+      values,
+    };
+  },
+
+  updateAxis(axis, value) {
+    return {
+      type: UPDATE_AXIS_VALUE,
+      axis,
+      value,
+    };
+  },
+
+  updateFontEditor(fonts, properties = {}, id = "") {
+    return {
+      type: UPDATE_EDITOR_STATE,
+      fonts,
+      properties,
+      id,
+    };
+  },
+
+  updateFontProperty(property, value) {
+    return {
+      type: UPDATE_PROPERTY_VALUE,
+      property,
+      value,
+    };
+  },
+
+  updateWarningMessage(warning) {
+    return {
+      type: UPDATE_WARNING_MESSAGE,
+      warning,
+    };
+  },
+};
diff --git a/devtools/client/inspector/fonts/actions/font-options.js b/devtools/client/inspector/fonts/actions/font-options.js
new file mode 100644
index 0000000000..8dfe101edd
--- /dev/null
+++ b/devtools/client/inspector/fonts/actions/font-options.js
@@ -0,0 +1,21 @@
+/* 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 {
+  UPDATE_PREVIEW_TEXT,
+} = require("resource://devtools/client/inspector/fonts/actions/index.js");
+
+module.exports = {
+  /**
+   * Update the preview text in the font inspector
+   */
+  updatePreviewText(previewText) {
+    return {
+      type: UPDATE_PREVIEW_TEXT,
+      previewText,
+    };
+  },
+};
diff --git a/devtools/client/inspector/fonts/actions/fonts.js b/devtools/client/inspector/fonts/actions/fonts.js
new file mode 100644
index 0000000000..5682e65521
--- /dev/null
+++ b/devtools/client/inspector/fonts/actions/fonts.js
@@ -0,0 +1,21 @@
+/* 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 {
+  UPDATE_FONTS,
+} = require("resource://devtools/client/inspector/fonts/actions/index.js");
+
+module.exports = {
+  /**
+   * Update the list of fonts in the font inspector
+   */
+  updateFonts(allFonts) {
+    return {
+      type: UPDATE_FONTS,
+      allFonts,
+    };
+  },
+};
diff --git a/devtools/client/inspector/fonts/actions/index.js b/devtools/client/inspector/fonts/actions/index.js
new file mode 100644
index 0000000000..21597b8c41
--- /dev/null
+++ b/devtools/client/inspector/fonts/actions/index.js
@@ -0,0 +1,42 @@
+/* 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 { createEnum } = require("resource://devtools/client/shared/enum.js");
+
+createEnum(
+  [
+    // Reset font editor to intial state.
+    "RESET_EDITOR",
+
+    // Set the font editor disabled state which prevents users from interacting with inputs.
+    "SET_FONT_EDITOR_DISABLED",
+
+    // Apply the variation settings of a font instance.
+    "APPLY_FONT_VARIATION_INSTANCE",
+
+    // Update the custom font variation instance with the current axes values.
+    "UPDATE_CUSTOM_INSTANCE",
+
+    // Update the value of a variable font axis.
+    "UPDATE_AXIS_VALUE",
+
+    // Update font editor with applicable fonts and user-defined CSS font properties.
+    "UPDATE_EDITOR_STATE",
+
+    // Update the list of fonts.
+    "UPDATE_FONTS",
+
+    // Update the preview text.
+    "UPDATE_PREVIEW_TEXT",
+
+    // Update the value of a CSS font property
+    "UPDATE_PROPERTY_VALUE",
+
+    // Update the warning message with the reason for not showing the font editor
+    "UPDATE_WARNING_MESSAGE",
+  ],
+  module.exports
+);
diff --git a/devtools/client/inspector/fonts/actions/moz.build b/devtools/client/inspector/fonts/actions/moz.build
new file mode 100644
index 0000000000..31452af580
--- /dev/null
+++ b/devtools/client/inspector/fonts/actions/moz.build
@@ -0,0 +1,12 @@
+# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
+# vim: set filetype=python:
+# 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/.
+
+DevToolsModules(
+    "font-editor.js",
+    "font-options.js",
+    "fonts.js",
+    "index.js",
+)