1 files changed, 138 insertions, 0 deletions
diff --git a/devtools/client/responsive.html/actions/devices.js b/devtools/client/responsive.html/actions/devices.js
new file mode 100644
index 000000000..b06134450
--- /dev/null
+++ b/devtools/client/responsive.html/actions/devices.js
@@ -0,0 +1,138 @@
+/* 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 {
+  ADD_DEVICE,
+  ADD_DEVICE_TYPE,
+  LOAD_DEVICE_LIST_START,
+  LOAD_DEVICE_LIST_ERROR,
+  LOAD_DEVICE_LIST_END,
+  UPDATE_DEVICE_DISPLAYED,
+  UPDATE_DEVICE_MODAL_OPEN,
+} = require("./index");
+
+const { getDevices } = require("devtools/client/shared/devices");
+
+const Services = require("Services");
+const DISPLAYED_DEVICES_PREF = "devtools.responsive.html.displayedDeviceList";
+
+/**
+ * Returns an object containing the user preference of displayed devices.
+ *
+ * @return {Object} containing two Sets:
+ * - added: Names of the devices that were explicitly enabled by the user
+ * - removed: Names of the devices that were explicitly removed by the user
+ */
+function loadPreferredDevices() {
+  let preferredDevices = {
+    "added": new Set(),
+    "removed": new Set(),
+  };
+
+  if (Services.prefs.prefHasUserValue(DISPLAYED_DEVICES_PREF)) {
+    try {
+      let savedData = Services.prefs.getCharPref(DISPLAYED_DEVICES_PREF);
+      savedData = JSON.parse(savedData);
+      if (savedData.added && savedData.removed) {
+        preferredDevices.added = new Set(savedData.added);
+        preferredDevices.removed = new Set(savedData.removed);
+      }
+    } catch (e) {
+      console.error(e);
+    }
+  }
+
+  return preferredDevices;
+}
+
+/**
+ * Update the displayed device list preference with the given device list.
+ *
+ * @param {Object} containing two Sets:
+ * - added: Names of the devices that were explicitly enabled by the user
+ * - removed: Names of the devices that were explicitly removed by the user
+ */
+function updatePreferredDevices(devices) {
+  let devicesToSave = {
+    added: Array.from(devices.added),
+    removed: Array.from(devices.removed),
+  };
+  devicesToSave = JSON.stringify(devicesToSave);
+  Services.prefs.setCharPref(DISPLAYED_DEVICES_PREF, devicesToSave);
+}
+
+module.exports = {
+
+  // This function is only exported for testing purposes
+  _loadPreferredDevices: loadPreferredDevices,
+
+  updatePreferredDevices: updatePreferredDevices,
+
+  addDevice(device, deviceType) {
+    return {
+      type: ADD_DEVICE,
+      device,
+      deviceType,
+    };
+  },
+
+  addDeviceType(deviceType) {
+    return {
+      type: ADD_DEVICE_TYPE,
+      deviceType,
+    };
+  },
+
+  updateDeviceDisplayed(device, deviceType, displayed) {
+    return {
+      type: UPDATE_DEVICE_DISPLAYED,
+      device,
+      deviceType,
+      displayed,
+    };
+  },
+
+  loadDevices() {
+    return function* (dispatch, getState) {
+      yield dispatch({ type: LOAD_DEVICE_LIST_START });
+      let preferredDevices = loadPreferredDevices();
+      let devices;
+
+      try {
+        devices = yield getDevices();
+      } catch (e) {
+        console.error("Could not load device list: " + e);
+        dispatch({ type: LOAD_DEVICE_LIST_ERROR });
+        return;
+      }
+
+      for (let type of devices.TYPES) {
+        dispatch(module.exports.addDeviceType(type));
+        for (let device of devices[type]) {
+          if (device.os == "fxos") {
+            continue;
+          }
+
+          let newDevice = Object.assign({}, device, {
+            displayed: preferredDevices.added.has(device.name) ||
+              (device.featured && !(preferredDevices.removed.has(device.name))),
+          });
+
+          dispatch(module.exports.addDevice(newDevice, type));
+        }
+      }
+      dispatch({ type: LOAD_DEVICE_LIST_END });
+    };
+  },
+
+  updateDeviceModalOpen(isOpen) {
+    return {
+      type: UPDATE_DEVICE_MODAL_OPEN,
+      isOpen,
+    };
+  },
+
+};