add find action and reducer

src/content/actions/find.js

@@ -0,0 +1,36 @@
+//
+// window.find(aString, aCaseSensitive, aBackwards, aWrapAround,
+//             aWholeWord, aSearchInFrames, aShowDialog);
+//
+// NOTE: window.find is not standard API
+// https://developer.mozilla.org/en-US/docs/Web/API/Window/find
+
+import actions from 'content/actions';
+
+const show = () => {
+  return { type: actions.FIND_SHOW };
+};
+
+const hide = () => {
+  return { type: actions.FIND_HIDE };
+};
+
+const next = (keyword) => {
+  // TODO Error on no matched
+  window.find(keyword, false, false, true, false, true, false);
+  return {
+    type: actions.FIND_SET_KEYWORD,
+    keyword,
+  };
+};
+
+const prev = (keyword) => {
+  // TODO Error on no matched
+  window.find(keyword, false, true, true, false, true, false);
+  return {
+    type: actions.FIND_SET_KEYWORD,
+    keyword,
+  };
+};
+
+export { show, hide, next, prev };

src/content/actions/index.js

@@ -21,4 +21,9 @@ export default {
   FOLLOW_CONTROLLER_DISABLE: 'follow.controller.disable',
   FOLLOW_CONTROLLER_KEY_PRESS: 'follow.controller.key.press',
   FOLLOW_CONTROLLER_BACKSPACE: 'follow.controller.backspace',
+
+  // Find
+  FIND_SHOW: 'find.show',
+  FIND_HIDE: 'find.hide',
+  FIND_SET_KEYWORD: 'find.set.keyword',
 };

src/content/reducers/find.js

@@ -0,0 +1,25 @@
+import actions from 'content/actions';
+
+const defaultState = {
+  enabled: false,
+  keyword: '',
+};
+
+export default function reducer(state = defaultState, action = {}) {
+  switch (action.type) {
+  case actions.FIND_SHOW:
+    return Object.assign({}, state, {
+      enabled: true,
+    });
+  case actions.FIND_HIDE:
+    return Object.assign({}, state, {
+      enabled: false,
+    });
+  case actions.FIND_SET_KEYWORD:
+    return Object.assign({}, state, {
+      keyword: action.keyword,
+    });
+  default:
+    return state;
+  }
+}

src/content/reducers/index.js

@@ -1,4 +1,5 @@
 import addonReducer from './addon';
+import findReducer from './find';
 import settingReducer from './setting';
 import inputReducer from './input';
 import followControllerReducer from './follow-controller';
@@ -6,6 +7,7 @@ import followControllerReducer from './follow-controller';
 // Make setting reducer instead of re-use
 const defaultState = {
   addon: addonReducer(undefined, {}),
+  find: findReducer(undefined, {}),
   setting: settingReducer(undefined, {}),
   input: inputReducer(undefined, {}),
   followController: followControllerReducer(undefined, {}),
@@ -14,6 +16,7 @@ const defaultState = {
 export default function reducer(state = defaultState, action = {}) {
   return Object.assign({}, state, {
     addon: addonReducer(state.addon, action),
+    find: findReducer(state.find, action),
     setting: settingReducer(state.setting, action),
     input: inputReducer(state.input, action),
     followController: followControllerReducer(state.followController, action),