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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Servo Layout Debugger</title>
<!-- Bootstrap -->
<link href="css/bootstrap.min.css" rel="stylesheet">
<!-- Treeview -->
<link href="css/bootstrap-treeview.min.css" rel="stylesheet">
<!-- JSDiffPatch -->
<link href="css/formatters/html.css" rel="stylesheet">
<!-- Custom -->
<link href="css/main.css" rel="stylesheet">
<!--[if lt IE 9]>
<script src="https://oss.maxcdn.com/html5shiv/3.7.2/html5shiv.min.js"></script>
<script src="https://oss.maxcdn.com/respond/1.4.2/respond.min.js"></script>
<![endif]-->
</head>
<body>
<div class="container" role="main">
<div class="row">
<div class="col-sm-12">
<h1> Servo Layout Viewer </h1>
<p> Check the <a href="https://github.com/servo/servo/blob/master/etc/layout_viewer/README.md">README</a> for instructions.</p>
</div>
</div>
<div class="row">
<div class="col-sm-4">
<div class="row">
<div class="col-sm-12">
<div class="well">
<input type=file>
</div>
</div>
</div>
<div class="row">
<div class="col-sm-12">
<div id="trace-tree">
</div>
</div>
</div>
<div class="row">
<div class="col-sm-12">
<ul id="trace-list" class="list-group">
</ul>
</div>
</div>
</div>
<div class="col-sm-8">
<div class="row">
<div class="col-sm-12">
<div class='panel panel-default'>
<div class='panel-heading'>Flow Tree</div>
<div class='panel-body' id="flow-tree"></div>
</div>
</div>
<div class="col-sm-12">
<div id="flow-diffs"></div>
</div>
</div>
</div>
</div>
<div id="toolbar">
<a href="#" id="prev_trace">< Prev step</a>
|
<a href="#" id="next_trace">Next step ></a>
<br>
<input type="checkbox" name="show_unchanged" id="show_unchanged" />
<label for="show_unchanged">Show unchanged code</label>
<br>
<a href="#top">Back to top</a>
</div>
</div>
<!-- jQuery -->
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
<!-- Bootstrap -->
<script src="js/bootstrap.min.js"></script>
<!-- Treeview -->
<script src="js/bootstrap-treeview.min.js"></script>
<!-- JSDiffPatch -->
<script src="js/bundle.min.js"></script>
<script src="js/formatters.min.js"></script>
<script>
function get_base(trace_node) {
if (typeof(trace_node.data.base) == "undefined" && typeof(trace_node.data.block_flow) != "undefined") {
return trace_node.data.block_flow.base;
}
else {
return trace_node.data.base;
}
}
function create_flow_tree(trace_node) {
var base = get_base(trace_node);
var node = {
text: trace_node.class + " (" + base.id + ")",
id: base.id,
icon: "dummy",
href: "#diff-" + base.id
};
var children = [];
for (var i=0 ; i < base.children.length ; ++i) {
children.push(create_flow_tree(base.children[i]));
}
if (children.length > 0) {
node.nodes = children;
}
return node;
}
function create_flow_hash(trace_node, flow_hash) {
var base = get_base(trace_node);
flow_hash[base.id] = trace_node;
for (var i=0 ; i < base.children.length ; ++i) {
create_flow_hash(base.children[i], flow_hash);
}
delete base.children;
}
function flatten_trace(trace_node) {
var flow_tree = create_flow_tree(trace_node.children[0]);
var flow_hash = {};
create_flow_hash(trace_node.children[0], flow_hash);
return {
tree: flow_tree,
flows: flow_hash,
}
}
function create_tree_node(trace_node) {
var pre_trace = flatten_trace(trace_node.pre);
var post_trace = flatten_trace(trace_node.post);
var tree_node = {
text: trace_node.name,
icon: "dummy",
flow_tree: pre_trace.tree, // assume pre/post trace always have same tree!
pre: pre_trace.flows,
post: post_trace.flows,
};
var children = [];
for (var i=0 ; i < trace_node.children.length ; ++i) {
children.push(create_tree_node(trace_node.children[i]));
}
if (children.length > 0) {
tree_node.nodes = children;
}
return tree_node;
}
function update_flow_tree_bgcolor(flow_tree_node, node_color_hash) {
flow_tree_node.backColor = node_color_hash[flow_tree_node.id];
if (flow_tree_node.nodes !== undefined) {
for (var i=0 ; i < flow_tree_node.nodes.length ; ++i) {
update_flow_tree_bgcolor(flow_tree_node.nodes[i], node_color_hash)
}
}
}
function new_data_loaded(data) {
jsondiffpatch.formatters.html.hideUnchanged();
var node_color_hash = {};
var tree = [ create_tree_node(data) ];
$('#trace-tree').treeview({data: tree, levels: 3});
$('#trace-tree').on('nodeSelected', function(event, node) {
$("#flow-diffs").empty();
$('#trace-tree').treeview(true).revealNode(node);
for (var key in node.pre) {
var flow_left = node.pre[key];
var flow_right = node.post[key];
var delta = jsondiffpatch.create({
objectHash: function(obj) {
if (obj.data !== undefined && obj.data.base !== undefined) {
return obj.data.base.id;
}
if (obj.id !== undefined) {
return obj.id;
}
if (obj.index !== undefined) {
// FlexItem and FlexLine
return obj.index;
}
return JSON.stringify(obj);
}
}).diff(flow_left, flow_right);
if (delta !== undefined) {
var diff_id = "diff-" + key;
$("#flow-diffs").append(
"<div class='panel panel-default' id='" +
diff_id +
"'><div class='panel-heading'>" +
flow_left.class + " (" + key + ")" +
"</div><div class='panel-body'></div></div>");
document.getElementById(diff_id).getElementsByClassName('panel-body')[0].innerHTML =
jsondiffpatch.formatters.html.format(delta, flow_left);
node_color_hash[key] = "rgba(255, 0, 0, 0.7)";
} else {
node_color_hash[key] = "rgb(212, 248, 212)";
}
}
update_flow_tree_bgcolor(node.flow_tree, node_color_hash);
$('#flow-tree').treeview({data: [node.flow_tree], levels: 100, enableLinks: true, emptyIcon: "glyphicon glyphicon-unchecked hidden-glyphicon"});
});
$('#trace-tree').treeview(true).selectNode(0);
}
function register_toggle_unchanaged_code_handler() {
var show_unchange_box = document.getElementById("show_unchanged");
show_unchange_box.addEventListener("change", function(evt){
jsondiffpatch.formatters.html.showUnchanged(show_unchange_box.checked, null, 800);
});
}
function register_prev_next_trace_node() {
var prev_btn = document.getElementById("prev_trace");
var next_btn = document.getElementById("next_trace");
prev_btn.addEventListener("click", function(evt){
var node_id = $("#trace-tree").treeview(true).getSelected()[0].nodeId;
// We deliberatly choose to ignore the node_id out of bound case,
// since it won't break the UI usability
$("#trace-tree").treeview(true).selectNode(node_id - 1);
});
next_btn.addEventListener("click", function(evt){
var node_id = $("#trace-tree").treeview(true).getSelected()[0].nodeId;
$("#trace-tree").treeview(true).selectNode(node_id + 1);
});
}
$( document ).ready(function() {
var upload = document.getElementsByTagName('input')[0];
upload.onchange = function (e) {
e.preventDefault();
var file = upload.files[0],
reader = new FileReader();
reader.onload = function (event) {
new_data_loaded(JSON.parse(event.target.result));
};
reader.readAsText(file);
return false;
};
register_toggle_unchanaged_code_handler();
register_prev_next_trace_node();
});
</script>
</body>
</html>
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