michael@0: /* vim:set ts=2 sw=2 sts=2 et: */
michael@0: /*
michael@0:  * Any copyright is dedicated to the Public Domain.
michael@0:  * http://creativecommons.org/publicdomain/zero/1.0/
michael@0:  *
michael@0:  * Contributor(s):
michael@0:  *   Mihai Șucan <mihai.sucan@gmail.com>
michael@0:  */
michael@0: 
michael@0: let hud, testDriver;
michael@0: 
michael@0: function testNext() {
michael@0:   testDriver.next();
michael@0: }
michael@0: 
michael@0: function testGen() {
michael@0:   hud.jsterm.clearOutput();
michael@0:   let outputNode = hud.outputNode;
michael@0:   let scrollBox = outputNode.parentNode;
michael@0: 
michael@0:   for (let i = 0; i < 150; i++) {
michael@0:     content.console.log("test message " + i);
michael@0:   }
michael@0: 
michael@0:   waitForMessages({
michael@0:     webconsole: hud,
michael@0:     messages: [{
michael@0:       text: "test message 149",
michael@0:       category: CATEGORY_WEBDEV,
michael@0:       severity: SEVERITY_LOG,
michael@0:     }],
michael@0:   }).then(testNext);
michael@0: 
michael@0:   yield undefined;
michael@0: 
michael@0:   ok(scrollBox.scrollTop > 0, "scroll location is not at the top");
michael@0: 
michael@0:   // scroll to the first node
michael@0:   outputNode.focus();
michael@0: 
michael@0:   scrollBox.onscroll = () => {
michael@0:     info("onscroll top " + scrollBox.scrollTop);
michael@0:     if (scrollBox.scrollTop != 0) {
michael@0:       // Wait for scroll to 0.
michael@0:       return;
michael@0:     }
michael@0:     scrollBox.onscroll = null;
michael@0:     is(scrollBox.scrollTop, 0, "scroll location updated (moved to top)");
michael@0:     testNext();
michael@0:   };
michael@0:   EventUtils.synthesizeKey("VK_HOME", {}, hud.iframeWindow);
michael@0: 
michael@0:   yield undefined;
michael@0: 
michael@0:   // add a message and make sure scroll doesn't change
michael@0:   content.console.log("test message 150");
michael@0: 
michael@0:   waitForMessages({
michael@0:     webconsole: hud,
michael@0:     messages: [{
michael@0:       text: "test message 150",
michael@0:       category: CATEGORY_WEBDEV,
michael@0:       severity: SEVERITY_LOG,
michael@0:     }],
michael@0:   }).then(testNext);
michael@0: 
michael@0:   yield undefined;
michael@0: 
michael@0:   scrollBox.onscroll = () => {
michael@0:     if (scrollBox.scrollTop != 0) {
michael@0:       // Wait for scroll to stabilize at the top.
michael@0:       return;
michael@0:     }
michael@0:     scrollBox.onscroll = null;
michael@0:     is(scrollBox.scrollTop, 0, "scroll location is still at the top");
michael@0:     testNext();
michael@0:   };
michael@0: 
michael@0:   // Make sure that scroll stabilizes at the top. executeSoon() is needed for
michael@0:   // the yield to work.
michael@0:   executeSoon(scrollBox.onscroll);
michael@0: 
michael@0:   yield undefined;
michael@0: 
michael@0:   // scroll back to the bottom
michael@0:   outputNode.lastChild.focus();
michael@0: 
michael@0:   scrollBox.onscroll = () => {
michael@0:     if (scrollBox.scrollTop == 0) {
michael@0:       // Wait for scroll to bottom.
michael@0:       return;
michael@0:     }
michael@0:     scrollBox.onscroll = null;
michael@0:     isnot(scrollBox.scrollTop, 0, "scroll location updated (moved to bottom)");
michael@0:     testNext();
michael@0:   };
michael@0:   EventUtils.synthesizeKey("VK_END", {});
michael@0:   yield undefined;
michael@0: 
michael@0:   let oldScrollTop = scrollBox.scrollTop;
michael@0: 
michael@0:   content.console.log("test message 151");
michael@0: 
michael@0:   scrollBox.onscroll = () => {
michael@0:     if (scrollBox.scrollTop == oldScrollTop) {
michael@0:       // Wait for scroll to change.
michael@0:       return;
michael@0:     }
michael@0:     scrollBox.onscroll = null;
michael@0:     isnot(scrollBox.scrollTop, oldScrollTop, "scroll location updated (moved to bottom again)");
michael@0:     hud = testDriver = null;
michael@0:     finishTest();
michael@0:   };
michael@0: 
michael@0:   yield undefined;
michael@0: }
michael@0: 
michael@0: function test() {
michael@0:   addTab("data:text/html;charset=utf-8,Web Console test for bug 613642: remember scroll location");
michael@0:   browser.addEventListener("load", function tabLoad(aEvent) {
michael@0:     browser.removeEventListener(aEvent.type, tabLoad, true);
michael@0:     openConsole(null, function(aHud) {
michael@0:       hud = aHud;
michael@0:       testDriver = testGen();
michael@0:       testDriver.next();
michael@0:     });
michael@0:   }, true);
michael@0: }