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[observatory] When the VM is forwarding events to the Android or Fuchsia system tracers, link to the document describing how to use them.

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Change-Id: I940b2d5b47a54661c5d25e6d52e714b8819d79a6
Reviewed-on: https://dart-review.googlesource.com/58601
Reviewed-by: Zach Anderson <zra@google.com>
Reviewed-by: Chinmay Garde <chinmaygarde@google.com>
Commit-Queue: Ryan Macnak <rmacnak@google.com>
This commit is contained in:
Ryan Macnak
2018-06-05 21:55:56 +00:00
committed by commit-bot@chromium.org
parent edb1642709
commit b375d69800
1 changed files with 84 additions and 37 deletions
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runtime/observatory/lib/src/elements/timeline_page.dart
+84 -37
View File
@@ -78,6 +78,9 @@ class TimelinePageElement extends HtmlElement implements Renderable {
IFrameElement _frame;
DivElement _content;
bool get usingVMRecorder =>
_recorder.name != "Fuchsia" && _recorder.name != "Systrace";
void render() {
if (_frame == null) {
_frame = new IFrameElement()..src = 'timeline.html';
@@ -125,44 +128,85 @@ class TimelinePageElement extends HtmlElement implements Renderable {
]
])
];
if (children.isEmpty) {
children = [
navBar([
new NavTopMenuElement(queue: _r.queue),
new NavVMMenuElement(vm, _events, queue: _r.queue),
navMenu('timeline', link: Uris.timeline()),
new NavRefreshElement(queue: _r.queue)
..onRefresh.listen((e) async {
e.element.disabled = true;
await _refresh();
e.element.disabled = false;
}),
new NavRefreshElement(label: 'clear', queue: _r.queue)
..onRefresh.listen((e) async {
e.element.disabled = true;
await _clear();
e.element.disabled = false;
}),
new NavRefreshElement(label: 'save', queue: _r.queue)
..onRefresh.listen((e) async {
e.element.disabled = true;
await _save();
e.element.disabled = false;
}),
new NavRefreshElement(label: 'load', queue: _r.queue)
..onRefresh.listen((e) async {
e.element.disabled = true;
await _load();
e.element.disabled = false;
}),
new NavNotifyElement(_notifications, queue: _r.queue)
]),
_content,
new DivElement()
..classes = ['iframe']
..children = [_frame]
];
children = [
navBar([
new NavTopMenuElement(queue: _r.queue),
new NavVMMenuElement(vm, _events, queue: _r.queue),
navMenu('timeline', link: Uris.timeline()),
new NavRefreshElement(queue: _r.queue)
..onRefresh.listen((e) async {
e.element.disabled = true;
await _refresh();
e.element.disabled = !usingVMRecorder;
}),
new NavRefreshElement(label: 'clear', queue: _r.queue)
..onRefresh.listen((e) async {
e.element.disabled = true;
await _clear();
e.element.disabled = !usingVMRecorder;
}),
new NavRefreshElement(label: 'save', queue: _r.queue)
..onRefresh.listen((e) async {
e.element.disabled = true;
await _save();
e.element.disabled = !usingVMRecorder;
}),
new NavRefreshElement(label: 'load', queue: _r.queue)
..onRefresh.listen((e) async {
e.element.disabled = true;
await _load();
e.element.disabled = !usingVMRecorder;
}),
new NavNotifyElement(_notifications, queue: _r.queue)
]),
_content,
_createIFrameOrMessage(),
];
}
HtmlElement _createIFrameOrMessage() {
if (_recorder == null) {
return new DivElement()
..classes = ['content-centered-big']
..text = 'Loading...';
}
if (_recorder.name == "Fuchsia") {
return new DivElement()
..classes = ['content-centered-big']
..children = [
new BRElement(),
new SpanElement()
..text =
"This VM is forwarding timeline events to Fuchsia's system tracing. See the ",
new AnchorElement()
..text = "Fuchsia Tracing Usage Guide"
..href =
"https://fuchsia.googlesource.com/garnet/+/master/docs/tracing_usage_guide.md",
new SpanElement()..text = ".",
];
}
if (_recorder.name == "Systrace") {
return new DivElement()
..classes = ['content-centered-big']
..children = [
new BRElement(),
new SpanElement()
..text =
"This VM is forwarding timeline events to Android's systrace. See the ",
new AnchorElement()
..text = "systrace usage guide"
..href =
"https://developer.android.com/studio/command-line/systrace",
new SpanElement()..text = ".",
];
}
return new DivElement()
..classes = ['iframe']
..children = [_frame];
}
List<Element> _createProfileSelect() {
@@ -202,6 +246,9 @@ class TimelinePageElement extends HtmlElement implements Renderable {
Future _postMessage(String method,
[Map<String, dynamic> params = const <String, dynamic>{}]) async {
if (_frame.contentWindow == null) {
return null;
}
var message = {'method': method, 'params': params};
_frame.contentWindow
.postMessage(json.encode(message), window.location.href);