6 files changed, 244 insertions, 0 deletions
diff --git a/devtools/client/accessibility/actions/accessibles.js b/devtools/client/accessibility/actions/accessibles.js
new file mode 100644
index 0000000000..085157c445
--- /dev/null
+++ b/devtools/client/accessibility/actions/accessibles.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 {
+  FETCH_CHILDREN,
+  SELECT,
+  HIGHLIGHT,
+  UNHIGHLIGHT,
+} = require("resource://devtools/client/accessibility/constants.js");
+
+/**
+ * Fetch child accessibles for a given accessible object.
+ * @param {Object} accessible front
+ */
+exports.fetchChildren =
+  accessible =>
+  ({ dispatch }) =>
+    accessible
+      .children()
+      .then(response =>
+        dispatch({ accessible, type: FETCH_CHILDREN, response })
+      )
+      .catch(error => dispatch({ accessible, type: FETCH_CHILDREN, error }));
+
+exports.select =
+  accessible =>
+  ({ dispatch }) => {
+    const accessibleWalkerFront = accessible.getParent();
+    if (!accessibleWalkerFront) {
+      dispatch({
+        accessible,
+        type: SELECT,
+        error: new Error("AccessibleWalker front is not available."),
+      });
+
+      return Promise.reject();
+    }
+
+    return accessibleWalkerFront
+      .getAncestry(accessible)
+      .then(response => dispatch({ accessible, type: SELECT, response }))
+      .catch(error => dispatch({ accessible, type: SELECT, error }));
+  };
+
+exports.highlight =
+  accessible =>
+  ({ dispatch }) => {
+    const accessibleWalkerFront = accessible.getParent();
+    if (!accessibleWalkerFront) {
+      dispatch({
+        accessible,
+        type: SELECT,
+        error: new Error("AccessibleWalker front is not available."),
+      });
+
+      return Promise.reject();
+    }
+
+    return accessibleWalkerFront
+      .getAncestry(accessible)
+      .then(response => dispatch({ accessible, type: HIGHLIGHT, response }))
+      .catch(error => dispatch({ accessible, type: HIGHLIGHT, error }));
+  };
+
+exports.unhighlight =
+  () =>
+  ({ dispatch }) =>
+    dispatch({ type: UNHIGHLIGHT });
diff --git a/devtools/client/accessibility/actions/audit.js b/devtools/client/accessibility/actions/audit.js
new file mode 100644
index 0000000000..7d91299eea
--- /dev/null
+++ b/devtools/client/accessibility/actions/audit.js
@@ -0,0 +1,36 @@
+/* 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 {
+  AUDIT,
+  AUDIT_PROGRESS,
+  AUDITING,
+  FILTER_TOGGLE,
+  FILTERS,
+} = require("resource://devtools/client/accessibility/constants.js");
+
+exports.filterToggle =
+  filter =>
+  ({ dispatch }) =>
+    dispatch({ filter, type: FILTER_TOGGLE });
+
+exports.auditing =
+  filter =>
+  ({ dispatch }) => {
+    const auditing = filter === FILTERS.ALL ? Object.values(FILTERS) : [filter];
+    return dispatch({ auditing, type: AUDITING });
+  };
+
+exports.audit =
+  (auditFunc, filter) =>
+  ({ dispatch }) =>
+    auditFunc(filter, progress =>
+      dispatch({ type: AUDIT_PROGRESS, progress })
+    ).then(({ error, ancestries }) => {
+      return error
+        ? dispatch({ type: AUDIT, error: true })
+        : dispatch({ type: AUDIT, response: ancestries });
+    });
diff --git a/devtools/client/accessibility/actions/details.js b/devtools/client/accessibility/actions/details.js
new file mode 100644
index 0000000000..f25996589e
--- /dev/null
+++ b/devtools/client/accessibility/actions/details.js
@@ -0,0 +1,40 @@
+/* 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_DETAILS,
+} = require("resource://devtools/client/accessibility/constants.js");
+
+/**
+ * Update details with the given accessible object.
+ *
+ * @param {Object} accessible front
+ */
+exports.updateDetails =
+  accessible =>
+  async ({ dispatch }) => {
+    const { walker: domWalker } = await accessible.targetFront.getFront(
+      "inspector"
+    );
+    // By the time getFront resolves, the accessibleFront may have been destroyed.
+    // This typically happens during navigations.
+    if (accessible.isDestroyed()) {
+      return;
+    }
+    try {
+      const response = await Promise.all([
+        domWalker.getNodeFromActor(accessible.actorID, [
+          "rawAccessible",
+          "DOMNode",
+        ]),
+        accessible.getRelations(),
+        accessible.audit(),
+        accessible.hydrate(),
+      ]);
+      dispatch({ accessible, type: UPDATE_DETAILS, response });
+    } catch (error) {
+      dispatch({ accessible, type: UPDATE_DETAILS, error });
+    }
+  };
diff --git a/devtools/client/accessibility/actions/moz.build b/devtools/client/accessibility/actions/moz.build
new file mode 100644
index 0000000000..c4571d7998
--- /dev/null
+++ b/devtools/client/accessibility/actions/moz.build
@@ -0,0 +1,5 @@
+# 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("accessibles.js", "audit.js", "details.js", "simulation.js", "ui.js")
diff --git a/devtools/client/accessibility/actions/simulation.js b/devtools/client/accessibility/actions/simulation.js
new file mode 100644
index 0000000000..98d69d62f3
--- /dev/null
+++ b/devtools/client/accessibility/actions/simulation.js
@@ -0,0 +1,16 @@
+/* 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 {
+  SIMULATE,
+} = require("resource://devtools/client/accessibility/constants.js");
+
+exports.simulate =
+  (simulateFunc, simTypes = []) =>
+  ({ dispatch }) =>
+    simulateFunc(simTypes)
+      .then(success => dispatch({ error: !success, simTypes, type: SIMULATE }))
+      .catch(error => dispatch({ error, type: SIMULATE }));
diff --git a/devtools/client/accessibility/actions/ui.js b/devtools/client/accessibility/actions/ui.js
new file mode 100644
index 0000000000..d4af5ba8fb
--- /dev/null
+++ b/devtools/client/accessibility/actions/ui.js
@@ -0,0 +1,77 @@
+/* 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 {
+  ENABLE,
+  RESET,
+  UPDATE_CAN_BE_DISABLED,
+  UPDATE_CAN_BE_ENABLED,
+  UPDATE_PREF,
+  PREF_KEYS,
+  UPDATE_DISPLAY_TABBING_ORDER,
+} = require("resource://devtools/client/accessibility/constants.js");
+
+/**
+ * Reset accessibility panel UI.
+ */
+exports.reset =
+  (resetAccessiblity, supports) =>
+  async ({ dispatch }) => {
+    try {
+      const { enabled, canBeDisabled, canBeEnabled } =
+        await resetAccessiblity();
+      dispatch({ enabled, canBeDisabled, canBeEnabled, supports, type: RESET });
+    } catch (error) {
+      dispatch({ type: RESET, error });
+    }
+  };
+
+/**
+ * Update a "canBeDisabled" flag for accessibility service.
+ */
+exports.updateCanBeDisabled =
+  canBeDisabled =>
+  ({ dispatch }) =>
+    dispatch({ canBeDisabled, type: UPDATE_CAN_BE_DISABLED });
+
+/**
+ * Update a "canBeEnabled" flag for accessibility service.
+ */
+exports.updateCanBeEnabled =
+  canBeEnabled =>
+  ({ dispatch }) =>
+    dispatch({ canBeEnabled, type: UPDATE_CAN_BE_ENABLED });
+
+exports.updatePref =
+  (name, value) =>
+  ({ dispatch }) => {
+    dispatch({ type: UPDATE_PREF, name, value });
+    Services.prefs.setBoolPref(PREF_KEYS[name], value);
+  };
+
+/**
+ * Enable accessibility services in order to view accessible tree.
+ */
+exports.enable =
+  enableAccessibility =>
+  async ({ dispatch }) => {
+    try {
+      await enableAccessibility();
+      dispatch({ type: ENABLE });
+    } catch (error) {
+      dispatch({ error, type: ENABLE });
+    }
+  };
+
+exports.updateDisplayTabbingOrder =
+  tabbingOrderDisplayed =>
+  async ({ dispatch, options: { toggleDisplayTabbingOrder } }) => {
+    try {
+      await toggleDisplayTabbingOrder(tabbingOrderDisplayed);
+      dispatch({ tabbingOrderDisplayed, type: UPDATE_DISPLAY_TABBING_ORDER });
+    } catch (error) {
+      dispatch({ error, type: UPDATE_DISPLAY_TABBING_ORDER });
+    }
+  };