From 11f62bab342475b178abded7c1a1dbf2af96e431 Mon Sep 17 00:00:00 2001
From: Daniel Imms <daimms@microsoft.com>
Date: Thu, 9 Mar 2017 10:38:21 -0800
Subject: [PATCH] Expose setHypertextValidationCallback

---
 src/Linkifier.ts | 11 ++++++++++-
 src/xterm.js     | 17 ++++++++++++++++-
 2 files changed, 26 insertions(+), 2 deletions(-)

diff --git a/src/Linkifier.ts b/src/Linkifier.ts
index 77cd16c1..e7fbcb50 100644
--- a/src/Linkifier.ts
+++ b/src/Linkifier.ts
@@ -75,10 +75,19 @@ export class Linkifier {
    * @param {LinkHandler} handler The handler to use, this can be cleared with
    * null.
    */
-  public attachHypertextLinkHandler(handler: LinkMatcherHandler): void {
+  public setHypertextLinkHandler(handler: LinkMatcherHandler): void {
     this._linkMatchers[HYPERTEXT_LINK_MATCHER_ID].handler = handler;
   }
 
+  /**
+   * Attaches a validation callback for hypertext links.
+   * @param {LinkMatcherValidationCallback} callback The callback to use, this
+   * can be cleared with null.
+   */
+  public setHypertextValidationCallback(callback: LinkMatcherValidationCallback): void {
+    this._linkMatchers[HYPERTEXT_LINK_MATCHER_ID].validationCallback = callback;
+  }
+
   /**
    * Registers a link matcher, allowing custom link patterns to be matched and
    * handled.
diff --git a/src/xterm.js b/src/xterm.js
index 37c00ed8..86f648b6 100644
--- a/src/xterm.js
+++ b/src/xterm.js
@@ -1286,7 +1286,7 @@ Terminal.prototype.attachCustomKeydownHandler = function(customKeydownHandler) {
  * reconstructed. Calling this with null will remove the handler.
  * @param {LinkHandler} handler The handler callback function.
  */
-Terminal.prototype.attachHypertextLinkHandler = function(handler) {
+Terminal.prototype.setHypertextLinkHandler = function(handler) {
   if (!this.linkifier) {
     throw new Error('Cannot attach a hypertext link handler before Terminal.open is called');
   }
@@ -1295,6 +1295,21 @@ Terminal.prototype.attachHypertextLinkHandler = function(handler) {
   this.refresh(0, this.rows - 1);
 }
 
+/**
+ * Attaches a validation callback for hypertext links. This is useful to use
+ * validation logic or to do something with the link's element and url.
+ * @param {LinkMatcherValidationCallback} callback The callback to use, this can
+ * be cleared with null.
+ */
+Terminal.prototype.setHypertextValidationCallback = function(handler) {
+  if (!this.linkifier) {
+    throw new Error('Cannot attach a hypertext validation callback before Terminal.open is called');
+  }
+  this.linkifier.setHypertextValidationCallback(handler);
+  // Refresh to force links to refresh
+  this.refresh(0, this.rows - 1);
+}
+
 /**
    * Registers a link matcher, allowing custom link patterns to be matched and
    * handled.