1 files changed, 0 insertions, 168 deletions
diff --git a/src/components/follow.js b/src/components/follow.js
deleted file mode 100644
index 0ec1e87..0000000
--- a/src/components/follow.js
+++ /dev/null
@@ -1,168 +0,0 @@
-import * as followActions from 'actions/follow';
-import messages from 'shared/messages';
-import Hint from 'content/hint';
-import HintKeyProducer from 'content/hint-key-producer';
-
-const DEFAULT_HINT_CHARSET = 'abcdefghijklmnopqrstuvwxyz';
-
-const inWindow = (window, element) => {
-  let {
-    top, left, bottom, right
-  } = element.getBoundingClientRect();
-  return (
-    top >= 0 && left >= 0 &&
-    bottom <= (window.innerHeight || document.documentElement.clientHeight) &&
-    right <= (window.innerWidth || document.documentElement.clientWidth)
-  );
-};
-
-export default class FollowComponent {
-  constructor(wrapper, store) {
-    this.wrapper = wrapper;
-    this.store = store;
-    this.hintElements = {};
-    this.state = {};
-  }
-
-  update() {
-    let prevState = this.state;
-    this.state = this.store.getState().follow;
-    if (!prevState.enabled && this.state.enabled) {
-      this.create();
-    } else if (prevState.enabled && !this.state.enabled) {
-      this.remove();
-    } else if (prevState.keys !== this.state.keys) {
-      this.updateHints();
-    }
-  }
-
-  key(key) {
-    if (!this.state.enabled) {
-      return false;
-    }
-
-    switch (key) {
-    case 'Enter':
-      this.activate(this.hintElements[this.state.keys].target);
-      return;
-    case 'Escape':
-      this.store.dispatch(followActions.disable());
-      return;
-    case 'Backspace':
-    case 'Delete':
-      this.store.dispatch(followActions.backspace());
-      break;
-    default:
-      if (DEFAULT_HINT_CHARSET.includes(key)) {
-        this.store.dispatch(followActions.keyPress(key));
-      }
-      break;
-    }
-    return true;
-  }
-
-  updateHints() {
-    let keys = this.state.keys;
-    let shown = Object.keys(this.hintElements).filter((key) => {
-      return key.startsWith(keys);
-    });
-    let hidden = Object.keys(this.hintElements).filter((key) => {
-      return !key.startsWith(keys);
-    });
-    if (shown.length === 0) {
-      this.remove();
-      return;
-    } else if (shown.length === 1) {
-      this.activate(this.hintElements[keys].target);
-      this.store.dispatch(followActions.disable());
-    }
-
-    shown.forEach((key) => {
-      this.hintElements[key].show();
-    });
-    hidden.forEach((key) => {
-      this.hintElements[key].hide();
-    });
-  }
-
-  activate(element) {
-    switch (element.tagName.toLowerCase()) {
-    case 'a':
-      if (this.state.newTab) {
-        // getAttribute() to avoid to resolve absolute path
-        let href = element.getAttribute('href');
-
-        // eslint-disable-next-line no-script-url
-        if (!href || href === '#' || href.startsWith('javascript:')) {
-          return;
-        }
-        return browser.runtime.sendMessage({
-          type: messages.OPEN_URL,
-          url: element.href,
-          newTab: this.state.newTab,
-        });
-      }
-      if (element.href.startsWith('http://') ||
-        element.href.startsWith('https://') ||
-        element.href.startsWith('ftp://')) {
-        return browser.runtime.sendMessage({
-          type: messages.OPEN_URL,
-          url: element.href,
-          newTab: this.state.newTab,
-        });
-      }
-      return element.click();
-    case 'input':
-      switch (element.type) {
-      case 'file':
-      case 'checkbox':
-      case 'radio':
-      case 'submit':
-      case 'reset':
-      case 'button':
-      case 'image':
-      case 'color':
-        return element.click();
-      default:
-        return element.focus();
-      }
-    case 'textarea':
-      return element.focus();
-    case 'button':
-      return element.click();
-    }
-  }
-
-  create() {
-    let doc = this.wrapper.ownerDocument;
-    let elements = FollowComponent.getTargetElements(doc);
-    let producer = new HintKeyProducer(DEFAULT_HINT_CHARSET);
-    let hintElements = {};
-    Array.prototype.forEach.call(elements, (ele) => {
-      let keys = producer.produce();
-      let hint = new Hint(ele, keys);
-      hintElements[keys] = hint;
-    });
-    this.hintElements = hintElements;
-  }
-
-  remove() {
-    let hintElements = this.hintElements;
-    Object.keys(this.hintElements).forEach((key) => {
-      hintElements[key].remove();
-    });
-  }
-
-  static getTargetElements(doc) {
-    let all = doc.querySelectorAll('a,button,input,textarea');
-    let filtered = Array.prototype.filter.call(all, (element) => {
-      let style = window.getComputedStyle(element);
-      return style.display !== 'none' &&
-        style.visibility !== 'hidden' &&
-        element.type !== 'hidden' &&
-        element.offsetHeight > 0 &&
-        inWindow(window, element);
-    });
-    return filtered;
-  }
-}