From 6bf642d80abe65eea50cdcd0f4e8c0a0fe4e7c08 Mon Sep 17 00:00:00 2001
From: Roan Kattouw <roan.kattouw@gmail.com>
Date: Tue, 23 Jul 2013 17:28:47 -0700
Subject: [PATCH] Add a hook to Title::getEditNotices() so extensions can add
 them

FlaggedRevs will have to use this to expose its edit notices to
VisualEditor.

Also add an $oldid parameter so edit notices can be generated based
on the revision ID being edited.

Change-Id: Ie44a01ebfa7002fa3a89f081e0f831442666ac03
---
 docs/hooks.txt        | 5 +++++
 includes/EditPage.php | 2 +-
 includes/Title.php    | 5 ++++-
 3 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/docs/hooks.txt b/docs/hooks.txt
index fb9a528e90..99676669b2 100644
--- a/docs/hooks.txt
+++ b/docs/hooks.txt
@@ -2335,6 +2335,11 @@ $action: Action being performed
 $doExpensiveQueries: Whether to do expensive DB queries
 $short: Whether to return immediately on first error
 
+'TitleGetEditNotices': Allows extensions to add edit notices
+$title: The Title object for the page the edit notices are for
+$oldid: Revision ID that the edit notices are for (or 0 for latest)
+&$notices: Array of notices. Keys are i18n message keys, values are parseAsBlock()ed messages.
+
 'TitleGetRestrictionTypes': Allows extensions to modify the types of protection
 that can be applied.
 $title: The title in question.
diff --git a/includes/EditPage.php b/includes/EditPage.php
index 96cc90858d..c41d9a1229 100644
--- a/includes/EditPage.php
+++ b/includes/EditPage.php
@@ -2313,7 +2313,7 @@ class EditPage {
 		}
 
 		// Add edit notices
-		$wgOut->addHTML( implode( "\n", $this->mTitle->getEditNotices() ) );
+		$wgOut->addHTML( implode( "\n", $this->mTitle->getEditNotices( $this->oldid ) ) );
 
 		if ( $this->isConflict ) {
 			$wgOut->wrapWikiMsg( "<div class='mw-explainconflict'>\n$1\n</div>", 'explainconflict' );
diff --git a/includes/Title.php b/includes/Title.php
index 0c223aff55..7818742889 100644
--- a/includes/Title.php
+++ b/includes/Title.php
@@ -4751,9 +4751,10 @@ class Title {
 	 * they will already be wrapped in paragraphs.
 	 *
 	 * @since 1.21
+	 * @param int oldid Revision ID that's being edited
 	 * @return Array
 	 */
-	public function getEditNotices() {
+	public function getEditNotices( $oldid = 0 ) {
 		$notices = array();
 
 		# Optional notices on a per-namespace and per-page basis
@@ -4780,6 +4781,8 @@ class Title {
 				$notices[$editnoticeText] = $editnoticeMsg->parseAsBlock();
 			}
 		}
+
+		wfRunHooks( 'TitleGetEditNotices', array( $this, $oldid, &$notices ) );
 		return $notices;
 	}
 }
-- 
2.20.1