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https://repo.dactyloidae.xyz/Dactyloidae/UXP.git
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import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo
This commit is contained in:
Roy Tam
commit
dcd9973243
150858 changed files with 23884658 additions and 0 deletions
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@ -0,0 +1,557 @@
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/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
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/* vim: set ft=javascript ts=2 et sw=2 tw=80: */
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/* 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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* Make sure that the variables view is keyboard accessible.
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*/
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var gTab, gPanel, gDebugger;
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var gVariablesView;
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function test() {
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initDebugger().then(([aTab,, aPanel]) => {
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gTab = aTab;
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gPanel = aPanel;
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gDebugger = gPanel.panelWin;
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gVariablesView = gDebugger.DebuggerView.Variables;
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performTest().then(null, aError => {
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ok(false, "Got an error: " + aError.message + "\n" + aError.stack);
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});
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});
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}
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function performTest() {
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let arr = [
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42,
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true,
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"nasu",
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undefined,
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null,
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[0, 1, 2],
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{ prop1: 9, prop2: 8 }
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];
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let obj = {
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p0: 42,
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p1: true,
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p2: "nasu",
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p3: undefined,
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p4: null,
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p5: [3, 4, 5],
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p6: { prop1: 7, prop2: 6 },
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get p7() { return arr; },
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set p8(value) { arr[0] = value; }
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};
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let test = {
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someProp0: 42,
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someProp1: true,
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someProp2: "nasu",
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someProp3: undefined,
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someProp4: null,
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someProp5: arr,
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someProp6: obj,
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get someProp7() { return arr; },
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set someProp7(value) { arr[0] = value; }
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};
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gVariablesView.eval = function () {};
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gVariablesView.switch = function () {};
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gVariablesView.delete = function () {};
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gVariablesView.rawObject = test;
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gVariablesView.scrollPageSize = 5;
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return Task.spawn(function* () {
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yield waitForTick();
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// Part 0: Test generic focus methods on the variables view.
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gVariablesView.focusFirstVisibleItem();
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is(gVariablesView.getFocusedItem().name, "someProp0",
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"The 'someProp0' item should be focused.");
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gVariablesView.focusNextItem();
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is(gVariablesView.getFocusedItem().name, "someProp1",
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"The 'someProp1' item should be focused.");
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gVariablesView.focusPrevItem();
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is(gVariablesView.getFocusedItem().name, "someProp0",
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"The 'someProp0' item should be focused.");
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// Part 1: Make sure that UP/DOWN keys don't scroll the variables view.
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yield synthesizeKeyAndWaitForTick("VK_DOWN", {});
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is(gVariablesView._parent.scrollTop, 0,
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"The 'variables' view shouldn't scroll when pressing the DOWN key.");
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yield synthesizeKeyAndWaitForTick("VK_UP", {});
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is(gVariablesView._parent.scrollTop, 0,
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"The 'variables' view shouldn't scroll when pressing the UP key.");
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// Part 2: Make sure that RETURN/ESCAPE toggle input elements.
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yield synthesizeKeyAndWaitForElement("VK_RETURN", {}, ".element-value-input", true);
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yield synthesizeKeyAndWaitForElement("VK_ESCAPE", {}, ".element-value-input", false);
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yield synthesizeKeyAndWaitForElement("VK_RETURN", { shiftKey: true }, ".element-name-input", true);
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yield synthesizeKeyAndWaitForElement("VK_ESCAPE", {}, ".element-name-input", false);
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// Part 3: Test simple navigation.
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EventUtils.sendKey("DOWN", gDebugger);
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is(gVariablesView.getFocusedItem().name, "someProp1",
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"The 'someProp1' item should be focused.");
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EventUtils.sendKey("UP", gDebugger);
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is(gVariablesView.getFocusedItem().name, "someProp0",
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"The 'someProp0' item should be focused.");
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EventUtils.sendKey("PAGE_DOWN", gDebugger);
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is(gVariablesView.getFocusedItem().name, "someProp5",
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"The 'someProp5' item should be focused.");
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EventUtils.sendKey("PAGE_UP", gDebugger);
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is(gVariablesView.getFocusedItem().name, "someProp0",
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"The 'someProp0' item should be focused.");
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|
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EventUtils.sendKey("END", gDebugger);
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is(gVariablesView.getFocusedItem().name, "__proto__",
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"The '__proto__' item should be focused.");
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|
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EventUtils.sendKey("HOME", gDebugger);
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is(gVariablesView.getFocusedItem().name, "someProp0",
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"The 'someProp0' item should be focused.");
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// Part 4: Test if pressing the same navigation key twice works as expected.
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EventUtils.sendKey("DOWN", gDebugger);
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is(gVariablesView.getFocusedItem().name, "someProp1",
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"The 'someProp1' item should be focused.");
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EventUtils.sendKey("DOWN", gDebugger);
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is(gVariablesView.getFocusedItem().name, "someProp2",
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"The 'someProp2' item should be focused.");
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EventUtils.sendKey("UP", gDebugger);
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is(gVariablesView.getFocusedItem().name, "someProp1",
|
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"The 'someProp1' item should be focused.");
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EventUtils.sendKey("UP", gDebugger);
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is(gVariablesView.getFocusedItem().name, "someProp0",
|
||||
"The 'someProp0' item should be focused.");
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|
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EventUtils.sendKey("PAGE_DOWN", gDebugger);
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is(gVariablesView.getFocusedItem().name, "someProp5",
|
||||
"The 'someProp5' item should be focused.");
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|
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EventUtils.sendKey("PAGE_DOWN", gDebugger);
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is(gVariablesView.getFocusedItem().name, "__proto__",
|
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"The '__proto__' item should be focused.");
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EventUtils.sendKey("PAGE_UP", gDebugger);
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is(gVariablesView.getFocusedItem().name, "someProp5",
|
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"The 'someProp5' item should be focused.");
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|
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EventUtils.sendKey("PAGE_UP", gDebugger);
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is(gVariablesView.getFocusedItem().name, "someProp0",
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"The 'someProp0' item should be focused.");
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// Part 5: Test that HOME/PAGE_UP/PAGE_DOWN are symmetrical.
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EventUtils.sendKey("HOME", gDebugger);
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is(gVariablesView.getFocusedItem().name, "someProp0",
|
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"The 'someProp0' item should be focused.");
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EventUtils.sendKey("HOME", gDebugger);
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is(gVariablesView.getFocusedItem().name, "someProp0",
|
||||
"The 'someProp0' item should be focused.");
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||||
|
||||
EventUtils.sendKey("PAGE_UP", gDebugger);
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is(gVariablesView.getFocusedItem().name, "someProp0",
|
||||
"The 'someProp0' item should be focused.");
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||||
|
||||
EventUtils.sendKey("HOME", gDebugger);
|
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is(gVariablesView.getFocusedItem().name, "someProp0",
|
||||
"The 'someProp0' item should be focused.");
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EventUtils.sendKey("END", gDebugger);
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is(gVariablesView.getFocusedItem().name, "__proto__",
|
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"The '__proto__' item should be focused.");
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EventUtils.sendKey("END", gDebugger);
|
||||
is(gVariablesView.getFocusedItem().name, "__proto__",
|
||||
"The '__proto__' item should be focused.");
|
||||
|
||||
EventUtils.sendKey("PAGE_DOWN", gDebugger);
|
||||
is(gVariablesView.getFocusedItem().name, "__proto__",
|
||||
"The '__proto__' item should be focused.");
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||||
|
||||
EventUtils.sendKey("END", gDebugger);
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is(gVariablesView.getFocusedItem().name, "__proto__",
|
||||
"The '__proto__' item should be focused.");
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// Part 6: Test that focus doesn't leave the variables view.
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||||
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||||
EventUtils.sendKey("PAGE_UP", gDebugger);
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is(gVariablesView.getFocusedItem().name, "someProp5",
|
||||
"The 'someProp5' item should be focused.");
|
||||
|
||||
EventUtils.sendKey("PAGE_UP", gDebugger);
|
||||
is(gVariablesView.getFocusedItem().name, "someProp0",
|
||||
"The 'someProp0' item should be focused.");
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||||
|
||||
EventUtils.sendKey("UP", gDebugger);
|
||||
is(gVariablesView.getFocusedItem().name, "someProp0",
|
||||
"The 'someProp0' item should be focused.");
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||||
|
||||
EventUtils.sendKey("UP", gDebugger);
|
||||
is(gVariablesView.getFocusedItem().name, "someProp0",
|
||||
"The 'someProp0' item should be focused.");
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||||
|
||||
EventUtils.sendKey("PAGE_DOWN", gDebugger);
|
||||
is(gVariablesView.getFocusedItem().name, "someProp5",
|
||||
"The 'someProp5' item should be focused.");
|
||||
|
||||
EventUtils.sendKey("PAGE_DOWN", gDebugger);
|
||||
is(gVariablesView.getFocusedItem().name, "__proto__",
|
||||
"The '__proto__' item should be focused.");
|
||||
|
||||
EventUtils.sendKey("PAGE_DOWN", gDebugger);
|
||||
is(gVariablesView.getFocusedItem().name, "__proto__",
|
||||
"The '__proto__' item should be focused.");
|
||||
|
||||
EventUtils.sendKey("PAGE_DOWN", gDebugger);
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is(gVariablesView.getFocusedItem().name, "__proto__",
|
||||
"The '__proto__' item should be focused.");
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||||
|
||||
// Part 7: Test that random offsets don't occur in tandem with HOME/END.
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||||
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||||
EventUtils.sendKey("HOME", gDebugger);
|
||||
is(gVariablesView.getFocusedItem().name, "someProp0",
|
||||
"The 'someProp0' item should be focused.");
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||||
|
||||
EventUtils.sendKey("DOWN", gDebugger);
|
||||
is(gVariablesView.getFocusedItem().name, "someProp1",
|
||||
"The 'someProp1' item should be focused.");
|
||||
|
||||
EventUtils.sendKey("END", gDebugger);
|
||||
is(gVariablesView.getFocusedItem().name, "__proto__",
|
||||
"The '__proto__' item should be focused.");
|
||||
|
||||
EventUtils.sendKey("DOWN", gDebugger);
|
||||
is(gVariablesView.getFocusedItem().name, "__proto__",
|
||||
"The '__proto__' item should be focused.");
|
||||
|
||||
// Part 8: Test that the RIGHT key expands elements as intended.
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||||
|
||||
EventUtils.sendKey("PAGE_UP", gDebugger);
|
||||
is(gVariablesView.getFocusedItem().name, "someProp5",
|
||||
"The 'someProp5' item should be focused.");
|
||||
is(gVariablesView.getFocusedItem().expanded, false,
|
||||
"The 'someProp5' item should not be expanded yet.");
|
||||
|
||||
yield synthesizeKeyAndWaitForTick("VK_RIGHT", {});
|
||||
is(gVariablesView.getFocusedItem().name, "someProp5",
|
||||
"The 'someProp5' item should be focused.");
|
||||
is(gVariablesView.getFocusedItem().expanded, true,
|
||||
"The 'someProp5' item should now be expanded.");
|
||||
is(gVariablesView.getFocusedItem()._store.size, 9,
|
||||
"There should be 9 properties in the selected variable.");
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||||
is(gVariablesView.getFocusedItem()._enumItems.length, 7,
|
||||
"There should be 7 enumerable properties in the selected variable.");
|
||||
is(gVariablesView.getFocusedItem()._nonEnumItems.length, 2,
|
||||
"There should be 2 non-enumerable properties in the selected variable.");
|
||||
|
||||
yield waitForChildNodes(gVariablesView.getFocusedItem()._enum, 7);
|
||||
yield waitForChildNodes(gVariablesView.getFocusedItem()._nonenum, 2);
|
||||
|
||||
EventUtils.sendKey("RIGHT", gDebugger);
|
||||
is(gVariablesView.getFocusedItem().name, "0",
|
||||
"The '0' item should be focused.");
|
||||
|
||||
EventUtils.sendKey("RIGHT", gDebugger);
|
||||
is(gVariablesView.getFocusedItem().name, "0",
|
||||
"The '0' item should still be focused.");
|
||||
|
||||
EventUtils.sendKey("PAGE_DOWN", gDebugger);
|
||||
is(gVariablesView.getFocusedItem().name, "5",
|
||||
"The '5' item should be focused.");
|
||||
is(gVariablesView.getFocusedItem().expanded, false,
|
||||
"The '5' item should not be expanded yet.");
|
||||
|
||||
yield synthesizeKeyAndWaitForTick("VK_RIGHT", {});
|
||||
is(gVariablesView.getFocusedItem().name, "5",
|
||||
"The '5' item should be focused.");
|
||||
is(gVariablesView.getFocusedItem().expanded, true,
|
||||
"The '5' item should now be expanded.");
|
||||
is(gVariablesView.getFocusedItem()._store.size, 5,
|
||||
"There should be 5 properties in the selected variable.");
|
||||
is(gVariablesView.getFocusedItem()._enumItems.length, 3,
|
||||
"There should be 3 enumerable properties in the selected variable.");
|
||||
is(gVariablesView.getFocusedItem()._nonEnumItems.length, 2,
|
||||
"There should be 2 non-enumerable properties in the selected variable.");
|
||||
|
||||
yield waitForChildNodes(gVariablesView.getFocusedItem()._enum, 3);
|
||||
yield waitForChildNodes(gVariablesView.getFocusedItem()._nonenum, 2);
|
||||
|
||||
EventUtils.sendKey("RIGHT", gDebugger);
|
||||
is(gVariablesView.getFocusedItem().name, "0",
|
||||
"The '0' item should be focused.");
|
||||
|
||||
EventUtils.sendKey("RIGHT", gDebugger);
|
||||
is(gVariablesView.getFocusedItem().name, "0",
|
||||
"The '0' item should still be focused.");
|
||||
|
||||
EventUtils.sendKey("PAGE_DOWN", gDebugger);
|
||||
is(gVariablesView.getFocusedItem().name, "6",
|
||||
"The '6' item should be focused.");
|
||||
is(gVariablesView.getFocusedItem().expanded, false,
|
||||
"The '6' item should not be expanded yet.");
|
||||
|
||||
yield synthesizeKeyAndWaitForTick("VK_RIGHT", {});
|
||||
is(gVariablesView.getFocusedItem().name, "6",
|
||||
"The '6' item should be focused.");
|
||||
is(gVariablesView.getFocusedItem().expanded, true,
|
||||
"The '6' item should now be expanded.");
|
||||
is(gVariablesView.getFocusedItem()._store.size, 3,
|
||||
"There should be 3 properties in the selected variable.");
|
||||
is(gVariablesView.getFocusedItem()._enumItems.length, 2,
|
||||
"There should be 2 enumerable properties in the selected variable.");
|
||||
is(gVariablesView.getFocusedItem()._nonEnumItems.length, 1,
|
||||
"There should be 1 non-enumerable properties in the selected variable.");
|
||||
|
||||
yield waitForChildNodes(gVariablesView.getFocusedItem()._enum, 2);
|
||||
yield waitForChildNodes(gVariablesView.getFocusedItem()._nonenum, 1);
|
||||
|
||||
EventUtils.sendKey("RIGHT", gDebugger);
|
||||
is(gVariablesView.getFocusedItem().name, "prop1",
|
||||
"The 'prop1' item should be focused.");
|
||||
|
||||
EventUtils.sendKey("RIGHT", gDebugger);
|
||||
is(gVariablesView.getFocusedItem().name, "prop1",
|
||||
"The 'prop1' item should still be focused.");
|
||||
|
||||
EventUtils.sendKey("PAGE_DOWN", gDebugger);
|
||||
is(gVariablesView.getFocusedItem().name, "someProp6",
|
||||
"The 'someProp6' item should be focused.");
|
||||
is(gVariablesView.getFocusedItem().expanded, false,
|
||||
"The 'someProp6' item should not be expanded yet.");
|
||||
|
||||
// Part 9: Test that the RIGHT key collapses elements as intended.
|
||||
|
||||
EventUtils.sendKey("LEFT", gDebugger);
|
||||
is(gVariablesView.getFocusedItem().name, "someProp6",
|
||||
"The 'someProp6' item should be focused.");
|
||||
|
||||
EventUtils.sendKey("UP", gDebugger);
|
||||
is(gVariablesView.getFocusedItem().name, "__proto__",
|
||||
"The '__proto__' item should be focused.");
|
||||
|
||||
EventUtils.sendKey("LEFT", gDebugger);
|
||||
is(gVariablesView.getFocusedItem().name, "someProp5",
|
||||
"The 'someProp5' item should be focused.");
|
||||
is(gVariablesView.getFocusedItem().expanded, true,
|
||||
"The '6' item should still be expanded.");
|
||||
|
||||
EventUtils.sendKey("LEFT", gDebugger);
|
||||
is(gVariablesView.getFocusedItem().name, "someProp5",
|
||||
"The 'someProp5' item should still be focused.");
|
||||
is(gVariablesView.getFocusedItem().expanded, false,
|
||||
"The '6' item should still not be expanded anymore.");
|
||||
|
||||
EventUtils.sendKey("LEFT", gDebugger);
|
||||
is(gVariablesView.getFocusedItem().name, "someProp5",
|
||||
"The 'someProp5' item should still be focused.");
|
||||
|
||||
// Part 9: Test continuous navigation.
|
||||
|
||||
EventUtils.sendKey("UP", gDebugger);
|
||||
is(gVariablesView.getFocusedItem().name, "someProp4",
|
||||
"The 'someProp4' item should be focused.");
|
||||
|
||||
EventUtils.sendKey("UP", gDebugger);
|
||||
is(gVariablesView.getFocusedItem().name, "someProp3",
|
||||
"The 'someProp3' item should be focused.");
|
||||
|
||||
EventUtils.sendKey("UP", gDebugger);
|
||||
is(gVariablesView.getFocusedItem().name, "someProp2",
|
||||
"The 'someProp2' item should be focused.");
|
||||
|
||||
EventUtils.sendKey("UP", gDebugger);
|
||||
is(gVariablesView.getFocusedItem().name, "someProp1",
|
||||
"The 'someProp1' item should be focused.");
|
||||
|
||||
EventUtils.sendKey("UP", gDebugger);
|
||||
is(gVariablesView.getFocusedItem().name, "someProp0",
|
||||
"The 'someProp0' item should be focused.");
|
||||
|
||||
EventUtils.sendKey("PAGE_UP", gDebugger);
|
||||
is(gVariablesView.getFocusedItem().name, "someProp0",
|
||||
"The 'someProp0' item should be focused.");
|
||||
|
||||
EventUtils.sendKey("PAGE_DOWN", gDebugger);
|
||||
is(gVariablesView.getFocusedItem().name, "someProp5",
|
||||
"The 'someProp5' item should be focused.");
|
||||
|
||||
EventUtils.sendKey("DOWN", gDebugger);
|
||||
is(gVariablesView.getFocusedItem().name, "someProp6",
|
||||
"The 'someProp6' item should be focused.");
|
||||
|
||||
EventUtils.sendKey("DOWN", gDebugger);
|
||||
is(gVariablesView.getFocusedItem().name, "someProp7",
|
||||
"The 'someProp7' item should be focused.");
|
||||
|
||||
EventUtils.sendKey("DOWN", gDebugger);
|
||||
is(gVariablesView.getFocusedItem().name, "get",
|
||||
"The 'get' item should be focused.");
|
||||
|
||||
EventUtils.sendKey("DOWN", gDebugger);
|
||||
is(gVariablesView.getFocusedItem().name, "set",
|
||||
"The 'set' item should be focused.");
|
||||
|
||||
EventUtils.sendKey("DOWN", gDebugger);
|
||||
is(gVariablesView.getFocusedItem().name, "__proto__",
|
||||
"The '__proto__' item should be focused.");
|
||||
|
||||
// Part 10: Test that BACKSPACE deletes items in the variables view.
|
||||
|
||||
EventUtils.sendKey("BACK_SPACE", gDebugger);
|
||||
is(gVariablesView.getFocusedItem().name, "__proto__",
|
||||
"The '__proto__' variable should still be focused.");
|
||||
is(gVariablesView.getFocusedItem().value, "[object Object]",
|
||||
"The '__proto__' variable should not have an empty value.");
|
||||
is(gVariablesView.getFocusedItem().visible, false,
|
||||
"The '__proto__' variable should be hidden.");
|
||||
|
||||
EventUtils.sendKey("UP", gDebugger);
|
||||
is(gVariablesView.getFocusedItem().name, "set",
|
||||
"The 'set' item should be focused.");
|
||||
is(gVariablesView.getFocusedItem().value, "[object Object]",
|
||||
"The 'set' item should not have an empty value.");
|
||||
is(gVariablesView.getFocusedItem().visible, true,
|
||||
"The 'set' item should be visible.");
|
||||
|
||||
EventUtils.sendKey("BACK_SPACE", gDebugger);
|
||||
is(gVariablesView.getFocusedItem().name, "set",
|
||||
"The 'set' item should still be focused.");
|
||||
is(gVariablesView.getFocusedItem().value, "[object Object]",
|
||||
"The 'set' item should not have an empty value.");
|
||||
is(gVariablesView.getFocusedItem().visible, true,
|
||||
"The 'set' item should be visible.");
|
||||
is(gVariablesView.getFocusedItem().twisty, false,
|
||||
"The 'set' item should be disabled and have a hidden twisty.");
|
||||
|
||||
EventUtils.sendKey("UP", gDebugger);
|
||||
is(gVariablesView.getFocusedItem().name, "get",
|
||||
"The 'get' item should be focused.");
|
||||
is(gVariablesView.getFocusedItem().value, "[object Object]",
|
||||
"The 'get' item should not have an empty value.");
|
||||
is(gVariablesView.getFocusedItem().visible, true,
|
||||
"The 'get' item should be visible.");
|
||||
|
||||
EventUtils.sendKey("BACK_SPACE", gDebugger);
|
||||
is(gVariablesView.getFocusedItem().name, "get",
|
||||
"The 'get' item should still be focused.");
|
||||
is(gVariablesView.getFocusedItem().value, "[object Object]",
|
||||
"The 'get' item should not have an empty value.");
|
||||
is(gVariablesView.getFocusedItem().visible, true,
|
||||
"The 'get' item should be visible.");
|
||||
is(gVariablesView.getFocusedItem().twisty, false,
|
||||
"The 'get' item should be disabled and have a hidden twisty.");
|
||||
|
||||
EventUtils.sendKey("UP", gDebugger);
|
||||
is(gVariablesView.getFocusedItem().name, "someProp7",
|
||||
"The 'someProp7' item should be focused.");
|
||||
is(gVariablesView.getFocusedItem().value, undefined,
|
||||
"The 'someProp7' variable should have an empty value.");
|
||||
is(gVariablesView.getFocusedItem().visible, true,
|
||||
"The 'someProp7' variable should be visible.");
|
||||
|
||||
EventUtils.sendKey("BACK_SPACE", gDebugger);
|
||||
is(gVariablesView.getFocusedItem().name, "someProp7",
|
||||
"The 'someProp7' variable should still be focused.");
|
||||
is(gVariablesView.getFocusedItem().value, undefined,
|
||||
"The 'someProp7' variable should have an empty value.");
|
||||
is(gVariablesView.getFocusedItem().visible, false,
|
||||
"The 'someProp7' variable should be hidden.");
|
||||
|
||||
// Part 11: Test that Ctrl-C copies the current item to the system clipboard
|
||||
|
||||
gVariablesView.focusFirstVisibleItem();
|
||||
let copied = promise.defer();
|
||||
let expectedValue = gVariablesView.getFocusedItem().name
|
||||
+ gVariablesView.getFocusedItem().separatorStr
|
||||
+ gVariablesView.getFocusedItem().value;
|
||||
|
||||
waitForClipboard(expectedValue, function setup() {
|
||||
EventUtils.synthesizeKey("C", { metaKey: true }, gDebugger);
|
||||
}, copied.resolve, copied.reject
|
||||
);
|
||||
|
||||
try {
|
||||
yield copied.promise;
|
||||
ok(true,
|
||||
"Ctrl-C copied the selected item to the clipboard.");
|
||||
} catch (e) {
|
||||
ok(false,
|
||||
"Ctrl-C didn't copy the selected item to the clipboard.");
|
||||
}
|
||||
|
||||
yield closeDebuggerAndFinish(gPanel);
|
||||
});
|
||||
}
|
||||
|
||||
registerCleanupFunction(function () {
|
||||
gTab = null;
|
||||
gPanel = null;
|
||||
gDebugger = null;
|
||||
gVariablesView = null;
|
||||
});
|
||||
|
||||
function synthesizeKeyAndWaitForElement(aKey, aModifiers, aSelector, aExistence) {
|
||||
EventUtils.synthesizeKey(aKey, aModifiers, gDebugger);
|
||||
return waitForElement(aSelector, aExistence);
|
||||
}
|
||||
|
||||
function synthesizeKeyAndWaitForTick(aKey, aModifiers) {
|
||||
EventUtils.synthesizeKey(aKey, aModifiers, gDebugger);
|
||||
return waitForTick();
|
||||
}
|
||||
|
||||
function waitForElement(aSelector, aExistence) {
|
||||
return waitForPredicate(() => {
|
||||
return !!gVariablesView._list.querySelector(aSelector) == aExistence;
|
||||
});
|
||||
}
|
||||
|
||||
function waitForChildNodes(aTarget, aCount) {
|
||||
return waitForPredicate(() => {
|
||||
return aTarget.childNodes.length == aCount;
|
||||
});
|
||||
}
|
||||
|
||||
function waitForPredicate(aPredicate, aInterval = 10) {
|
||||
let deferred = promise.defer();
|
||||
|
||||
// Poll every few milliseconds until the element is retrieved.
|
||||
let count = 0;
|
||||
let intervalID = window.setInterval(() => {
|
||||
// Make sure we don't wait for too long.
|
||||
if (++count > 1000) {
|
||||
deferred.reject("Timed out while polling for the element.");
|
||||
window.clearInterval(intervalID);
|
||||
return;
|
||||
}
|
||||
// Check if the predicate condition is fulfilled.
|
||||
if (!aPredicate()) {
|
||||
return;
|
||||
}
|
||||
// We got the element, it's safe to callback.
|
||||
window.clearInterval(intervalID);
|
||||
deferred.resolve();
|
||||
}, aInterval);
|
||||
|
||||
return deferred.promise;
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue