fix scroll position in stream while ajax update

composer.json

@@ -37,7 +37,8 @@
 		"npm-asset/jquery-datetimepicker": "^2.4.0",
 		"npm-asset/jgrowl": "^1.4",
 		"npm-asset/fullcalendar": "^3.0.1",
-		"npm-asset/cropperjs": "1.2.2"
+		"npm-asset/cropperjs": "1.2.2",
+		"npm-asset/imagesloaded": "4.1.4"
 	},
 	"repositories": [
 		{

composer.lock

@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
         "This file is @generated automatically"
     ],
-    "content-hash": "ab5a551aff0505691c4836d063fc5171",
+    "content-hash": "4fcae78061a3eb72f91e4fa81e53af56",
     "packages": [
         {
             "name": "asika/simple-console",
@@ -770,6 +770,49 @@
             ],
             "time": "2018-01-03T13:39:39+00:00"
         },
+        {
+            "name": "npm-asset/ev-emitter",
+            "version": "1.1.1",
+            "dist": {
+                "type": "tar",
+                "url": "https://registry.npmjs.org/ev-emitter/-/ev-emitter-1.1.1.tgz",
+                "reference": null,
+                "shasum": "8f18b0ce5c76a5d18017f71c0a795c65b9138f2a"
+            },
+            "type": "npm-asset-library",
+            "extra": {
+                "npm-asset-bugs": {
+                    "url": "https://github.com/metafizzy/ev-emitter/issues"
+                },
+                "npm-asset-main": "ev-emitter.js",
+                "npm-asset-directories": {
+                    "test": "test"
+                },
+                "npm-asset-repository": {
+                    "type": "git",
+                    "url": "git+https://github.com/metafizzy/ev-emitter.git"
+                },
+                "npm-asset-scripts": {
+                    "test": "mocha test/test"
+                }
+            },
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "David DeSandro"
+                }
+            ],
+            "description": "lil' event emitter",
+            "homepage": "https://github.com/metafizzy/ev-emitter#readme",
+            "keywords": [
+                "emitter",
+                "event",
+                "pubsub"
+            ],
+            "time": "2017-07-06T13:46:38+00:00"
+        },
         {
             "name": "npm-asset/fullcalendar",
             "version": "3.8.2",
@@ -882,6 +925,70 @@
             ],
             "time": "2018-01-30T23:49:01+00:00"
         },
+        {
+            "name": "npm-asset/imagesloaded",
+            "version": "4.1.4",
+            "dist": {
+                "type": "tar",
+                "url": "https://registry.npmjs.org/imagesloaded/-/imagesloaded-4.1.4.tgz",
+                "reference": null,
+                "shasum": "1376efcd162bb768c34c3727ac89cc04051f3cc7"
+            },
+            "require": {
+                "npm-asset/ev-emitter": ">=1.0.0,<2.0.0"
+            },
+            "require-dev": {
+                "npm-asset/chalk": ">=1.1.1,<2.0.0",
+                "npm-asset/cheerio": ">=0.19.0,<0.20.0",
+                "npm-asset/gulp": ">=3.9.0,<4.0.0",
+                "npm-asset/gulp-jshint": ">=1.11.2,<2.0.0",
+                "npm-asset/gulp-json-lint": ">=0.1.0,<0.2.0",
+                "npm-asset/gulp-rename": ">=1.2.2,<2.0.0",
+                "npm-asset/gulp-replace": ">=0.5.4,<0.6.0",
+                "npm-asset/gulp-requirejs-optimize": "dev-github:metafizzy/gulp-requirejs-optimize",
+                "npm-asset/gulp-uglify": ">=1.4.2,<2.0.0",
+                "npm-asset/gulp-util": ">=3.0.7,<4.0.0",
+                "npm-asset/highlight.js": ">=8.9.1,<9.0.0",
+                "npm-asset/marked": ">=0.3.5,<0.4.0",
+                "npm-asset/minimist": ">=1.2.0,<2.0.0",
+                "npm-asset/transfob": ">=1.0.0,<2.0.0"
+            },
+            "type": "npm-asset-library",
+            "extra": {
+                "npm-asset-bugs": {
+                    "url": "https://github.com/desandro/imagesloaded/issues"
+                },
+                "npm-asset-main": "imagesloaded.js",
+                "npm-asset-directories": {
+                    "test": "test"
+                },
+                "npm-asset-repository": {
+                    "type": "git",
+                    "url": "git://github.com/desandro/imagesloaded.git"
+                },
+                "npm-asset-scripts": {
+                    "test": "echo \"Error: no test specified\" && exit 1"
+                }
+            },
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "David DeSandro"
+                }
+            ],
+            "description": "JavaScript is all like _You images done yet or what?_",
+            "homepage": "https://github.com/desandro/imagesloaded",
+            "keywords": [
+                "dom",
+                "images",
+                "jquery-plugin",
+                "loaded",
+                "ui"
+            ],
+            "time": "2018-01-02T16:56:03+00:00"
+        },
         {
             "name": "npm-asset/jgrowl",
             "version": "1.4.6",

mod/update_community.php

@@ -19,10 +19,6 @@ function update_community_content(App $a) {
 		$text = '';
 	}
 
-	$pattern = "/<img([^>]*) src=\"([^\"]*)\"/";
-	$replace = "<img\${1} dst=\"\${2}\"";
-	$text = preg_replace($pattern, $replace, $text);
-
 	if (PConfig::get(local_user(), "system", "bandwidth_saver")) {
 		$replace = "<br />".L10n::t("[Embedded content - reload page to view]")."<br />";
 		$pattern = "/<\s*audio[^>]*>(.*?)<\s*\/\s*audio>/i";

mod/update_display.php

@@ -19,9 +19,6 @@ function update_display_content(App $a)
 	echo "<section>";
 
 	$text = display_content($a, true, $profile_uid);
-	$pattern = "/<img([^>]*) src=\"([^\"]*)\"/";
-	$replace = "<img\${1} dst=\"\${2}\"";
-	$text = preg_replace($pattern, $replace, $text);
 
 	if (PConfig::get(local_user(), "system", "bandwidth_saver")) {
 		$replace = "<br />" . L10n::t("[Embedded content - reload page to view]") . "<br />";

mod/update_network.php

@@ -25,10 +25,6 @@ function update_network_content(App $a)
 		$text = "";
 	}
 
-	$pattern = "/<img([^>]*) src=\"([^\"]*)\"/";
-	$replace = "<img\${1} dst=\"\${2}\"";
-	$text = preg_replace($pattern, $replace, $text);
-
 	if (PConfig::get(local_user(), "system", "bandwidth_saver")) {
 		$replace = "<br />" . L10n::t("[Embedded content - reload page to view]") . "<br />";
 		$pattern = "/<\s*audio[^>]*>(.*?)<\s*\/\s*audio>/i";

mod/update_notes.php

@@ -32,10 +32,6 @@ function update_notes_content(App $a) {
 
 	$text = notes_content($a, $profile_uid);
 
-	$pattern = "/<img([^>]*) src=\"([^\"]*)\"/";
-	$replace = "<img\${1} dst=\"\${2}\"";
-	$text = preg_replace($pattern, $replace, $text);
-
 	if (PConfig::get(local_user(), "system", "bandwidth_saver")) {
 		$replace = "<br />".L10n::t("[Embedded content - reload page to view]")."<br />";
 		$pattern = "/<\s*audio[^>]*>(.*?)<\s*\/\s*audio>/i";

mod/update_profile.php

@@ -31,10 +31,6 @@ function update_profile_content(App $a) {
 
 	$text = profile_content($a, $profile_uid);
 
-	$pattern = "/<img([^>]*) src=\"([^\"]*)\"/";
-	$replace = "<img\${1} dst=\"\${2}\"";
-	$text = preg_replace($pattern, $replace, $text);
-
 	if (PConfig::get(local_user(), "system", "bandwidth_saver")) {
 		$replace = "<br />".L10n::t("[Embedded content - reload page to view]")."<br />";
 		$pattern = "/<\s*audio[^>]*>(.*?)<\s*\/\s*audio>/i";

view/js/main.js

@@ -418,6 +418,9 @@ function liveUpdate(src) {
 	if ($(document).scrollTop() == 0) {
 		force_update = true;
 	}
+
+	var orgHeight = $("section").height();
+
 	var udargs = ((netargs.length) ? '/' + netargs : '');
 	var update_url = 'update_' + src + udargs + '&p=' + profile_uid + '&page=' + profile_page + '&force=' + ((force_update) ? 1 : 0) + '&item=' + update_item;
 
@@ -426,15 +429,16 @@ function liveUpdate(src) {
 		force_update = false;
 		update_item = 0;
 
+		$('.wall-item-body', data).imagesLoaded(function() {
 			// add a new thread
 			$('.toplevel_item',data).each(function() {
 				var ident = $(this).attr('id');
 
+				// Add new top-level item.
 				if ($('#' + ident).length == 0 && profile_page == 1) {
-				$('img',this).each(function() {
-					$(this).attr('src',$(this).attr('dst'));
-				});
 					$('#' + prev).after($(this));
+
+				// Replace already existing thread.
 				} else {
 					// Find out if the hidden comments are open, so we can keep it that way
 					// if a new comment has been posted
@@ -444,10 +448,6 @@ function liveUpdate(src) {
 						var commentsOpen = $("#collapsed-comments-" + id).is(":visible");
 					}
 
-				$('img',this).each(function() {
-					$(this).attr('src',$(this).attr('dst'));
-				});
-				$('html').height($('html').height());
 					$('#' + ident).replaceWith($(this));
 
 					if (typeof id != 'undefined') {
@@ -455,13 +455,16 @@ function liveUpdate(src) {
 							showHideComments(id);
 						}
 					}
-				$('html').height('auto');
 				}
 				prev = ident;
 			});
+		});
 
 		callAddonHooks("postprocess_liveupdate");
 
+		// Update the scroll position.
+		$(window).scrollTop($(window).scrollTop() + $("section").height() - orgHeight);
+
 		$('.like-rotator').hide();
 		if (commentBusy) {
 			commentBusy = false;

view/templates/head.tpl

@@ -42,6 +42,7 @@
 <script type="text/javascript" src="view/asset/jgrowl/jquery.jgrowl.min.js"></script>
 <script type="text/javascript" src="view/asset/jquery-datetimepicker/build/jquery.datetimepicker.full.min.js"></script>
 <script type="text/javascript" src="view/asset/perfect-scrollbar/js/perfect-scrollbar.jquery.min.js" ></script>
+<script type="text/javascript" src="view/asset/imagesloaded/imagesloaded.pkgd.min.js"></script>
 <script type="text/javascript" src="view/js/acl.js" ></script>
 <script type="text/javascript" src="view/asset/base64/base64.min.js" ></script>
 <script type="text/javascript" src="view/js/addon-hooks.js" ></script>

view/theme/frio/templates/head.tpl

@@ -66,6 +66,7 @@
 <script type="text/javascript" src="view/asset/jgrowl/jquery.jgrowl.min.js"></script>
 <script type="text/javascript" src="view/asset/jquery-datetimepicker/build/jquery.datetimepicker.full.min.js"></script>
 <script type="text/javascript" src="view/asset/perfect-scrollbar/js/perfect-scrollbar.jquery.min.js"></script>
+<script type="text/javascript" src="view/asset/imagesloaded/imagesloaded.pkgd.min.js"></script>
 <script type="text/javascript" src="view/js/acl.js"></script>
 <script type="text/javascript" src="view/asset/base64/base64.min.js"></script>
 <script type="text/javascript" src="view/js/addon-hooks.js" ></script>