From fb8b4d28ce47171a83a7bf5148293fd2318cc02f Mon Sep 17 00:00:00 2001
From: Shin'ya Ueoka <ueokande@i-beam.org>
Date: Thu, 16 May 2019 21:35:58 +0900
Subject: Hints as a classes

---
 src/content/components/common/follow.ts | 79 +++++++++++----------------------
 src/content/components/common/hint.ts   | 62 --------------------------
 2 files changed, 25 insertions(+), 116 deletions(-)
 delete mode 100644 src/content/components/common/hint.ts

(limited to 'src/content/components')

diff --git a/src/content/components/common/follow.ts b/src/content/components/common/follow.ts
index 67f2dd9..a30a3d5 100644
--- a/src/content/components/common/follow.ts
+++ b/src/content/components/common/follow.ts
@@ -1,8 +1,11 @@
 import MessageListener from '../../MessageListener';
-import Hint from './hint';
+import Hint, { LinkHint, InputHint } from '../../presenters/Hint';
 import * as dom from '../../../shared/utils/dom';
 import * as messages from '../../../shared/messages';
 import * as keyUtils from '../../../shared/utils/keys';
+import TabsClient, { TabsClientImpl } from '../../client/TabsClient';
+
+let tabsClient: TabsClient = new TabsClientImpl();
 
 const TARGET_SELECTOR = [
   'a', 'button', 'input', 'textarea', 'area',
@@ -95,27 +98,6 @@ export default class Follow {
     return true;
   }
 
-  openLink(element: HTMLAreaElement|HTMLAnchorElement) {
-    // Browser prevent new tab by link with target='_blank'
-    if (!this.newTab && element.getAttribute('target') !== '_blank') {
-      element.click();
-      return;
-    }
-
-    let href = element.getAttribute('href');
-
-    // eslint-disable-next-line no-script-url
-    if (!href || href === '#' || href.toLowerCase().startsWith('javascript:')) {
-      return;
-    }
-    return browser.runtime.sendMessage({
-      type: messages.OPEN_URL,
-      url: element.href,
-      newTab: true,
-      background: this.background,
-    });
-  }
-
   countHints(sender: any, viewSize: Size, framePosition: Point) {
     this.targets = Follow.getTargetElements(this.win, viewSize, framePosition);
     sender.postMessage(JSON.stringify({
@@ -134,8 +116,13 @@ export default class Follow {
     this.hints = {};
     for (let i = 0; i < keysArray.length; ++i) {
       let keys = keysArray[i];
-      let hint = new Hint(this.targets[i], keys);
-      this.hints[keys] = hint;
+      let target = this.targets[i];
+      if (target instanceof HTMLAnchorElement ||
+        target instanceof HTMLAreaElement) {
+        this.hints[keys] = new LinkHint(target, keys);
+      } else {
+        this.hints[keys] = new InputHint(target, keys);
+      }
     }
   }
 
@@ -154,42 +141,26 @@ export default class Follow {
     this.targets = [];
   }
 
-  activateHints(keys: string) {
+  async activateHints(keys: string): Promise<void> {
     let hint = this.hints[keys];
     if (!hint) {
       return;
     }
-    let element = hint.getTarget();
-    switch (element.tagName.toLowerCase()) {
-    case 'a':
-      return this.openLink(element as HTMLAnchorElement);
-    case 'area':
-      return this.openLink(element as HTMLAreaElement);
-    case 'input':
-      switch ((element as HTMLInputElement).type) {
-      case 'file':
-      case 'checkbox':
-      case 'radio':
-      case 'submit':
-      case 'reset':
-      case 'button':
-      case 'image':
-      case 'color':
-        return element.click();
-      default:
-        return element.focus();
+
+    if (hint instanceof LinkHint) {
+      let url = hint.getLink();
+      // ignore taget='_blank'
+      if (!this.newTab && hint.getLinkTarget() !== '_blank') {
+        hint.click();
+        return;
       }
-    case 'textarea':
-      return element.focus();
-    case 'button':
-    case 'summary':
-      return element.click();
-    default:
-      if (dom.isContentEditable(element)) {
-        return element.focus();
-      } else if (element.hasAttribute('tabindex')) {
-        return element.click();
+      // eslint-disable-next-line no-script-url
+      if (!url || url === '#' || url.toLowerCase().startsWith('javascript:')) {
+        return;
       }
+      await tabsClient.openUrl(url, this.newTab, this.background);
+    } else if (hint instanceof InputHint) {
+      hint.activate();
     }
   }
 
diff --git a/src/content/components/common/hint.ts b/src/content/components/common/hint.ts
deleted file mode 100644
index 2fcbb0f..0000000
--- a/src/content/components/common/hint.ts
+++ /dev/null
@@ -1,62 +0,0 @@
-import * as dom from '../../../shared/utils/dom';
-
-interface Point {
-  x: number;
-  y: number;
-}
-
-const hintPosition = (element: Element): Point => {
-  let { left, top, right, bottom } = dom.viewportRect(element);
-
-  if (element.tagName !== 'AREA') {
-    return { x: left, y: top };
-  }
-
-  return {
-    x: (left + right) / 2,
-    y: (top + bottom) / 2,
-  };
-};
-
-export default class Hint {
-  private target: HTMLElement;
-
-  private element: HTMLElement;
-
-  constructor(target: HTMLElement, tag: string) {
-    let doc = target.ownerDocument;
-    if (doc === null) {
-      throw new TypeError('ownerDocument is null');
-    }
-
-    let { x, y } = hintPosition(target);
-    let { scrollX, scrollY } = window;
-
-    this.target = target;
-
-    this.element = doc.createElement('span');
-    this.element.className = 'vimvixen-hint';
-    this.element.textContent = tag;
-    this.element.style.left = x + scrollX + 'px';
-    this.element.style.top = y + scrollY + 'px';
-
-    this.show();
-    doc.body.append(this.element);
-  }
-
-  show(): void {
-    this.element.style.display = 'inline';
-  }
-
-  hide(): void {
-    this.element.style.display = 'none';
-  }
-
-  remove(): void {
-    this.element.remove();
-  }
-
-  getTarget(): HTMLElement {
-    return this.target;
-  }
-}
-- 
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