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https://github.com/classilla/tenfourfox.git
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61 lines
2.2 KiB
JavaScript
61 lines
2.2 KiB
JavaScript
/* Any copyright is dedicated to the Public Domain.
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http://creativecommons.org/publicdomain/zero/1.0/ */
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/**
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* Makes sure the source editor's scroll location doesn't change when
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* a variable inspection popup is opened and a watch expression is
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* also evaluated at the same time.
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*/
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const TAB_URL = EXAMPLE_URL + "doc_frame-parameters.html";
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function test() {
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Task.spawn(function*() {
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let [tab,, panel] = yield initDebugger(TAB_URL);
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let win = panel.panelWin;
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let events = win.EVENTS;
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let editor = win.DebuggerView.editor;
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let editorContainer = win.document.getElementById("editor");
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let bubble = win.DebuggerView.VariableBubble;
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let expressions = win.DebuggerView.WatchExpressions;
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let tooltip = bubble._tooltip.panel;
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callInTab(tab, "start");
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yield waitForSourceAndCaretAndScopes(panel, ".html", 24);
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let expressionsEvaluated = waitForDebuggerEvents(panel, events.FETCHED_WATCH_EXPRESSIONS);
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expressions.addExpression("this");
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editor.focus();
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yield expressionsEvaluated;
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// Scroll to the top of the editor and inspect variables.
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let breakpointScrollPosition = editor.getScrollInfo().top;
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editor.setFirstVisibleLine(0);
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let topmostScrollPosition = editor.getScrollInfo().top;
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ok(topmostScrollPosition < breakpointScrollPosition,
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"The editor is now scrolled to the top (0).");
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is(editor.getFirstVisibleLine(), 0,
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"The editor is now scrolled to the top (1).");
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let failPopup = () => ok(false, "The popup has got unexpectedly hidden.");
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let failScroll = () => ok(false, "The editor has got unexpectedly scrolled.");
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tooltip.addEventListener("popuphiding", failPopup);
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editorContainer.addEventListener("scroll", failScroll);
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editor.on("scroll", () => {
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if (editor.getScrollInfo().top > topmostScrollPosition) {
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ok(false, "The editor scrolled back to the breakpoint location.");
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}
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});
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expressionsEvaluated = waitForDebuggerEvents(panel, events.FETCHED_WATCH_EXPRESSIONS);
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yield openVarPopup(panel, { line: 14, ch: 15 });
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yield expressionsEvaluated;
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tooltip.removeEventListener("popuphiding", failPopup);
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editorContainer.removeEventListener("scroll", failScroll);
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yield resumeDebuggerThenCloseAndFinish(panel);
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});
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}
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