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/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
"use strict";
add_task(function* () {
let tab = yield addTab("about:logo");
let { rdm, manager } = yield openRDM(tab);
ok(rdm, "An instance of the RDM should be attached to the tab.");
yield setSize(rdm, manager, 110, 500);
info("Checking initial width/height properties.");
yield doInitialChecks();
info("Changing the RDM size");
yield setSize(rdm, manager, 90, 500);
info("Checking for screen props");
yield checkScreenProps();
info("Setting docShell.deviceSizeIsPageSize to false");
yield ContentTask.spawn(gBrowser.selectedBrowser, {}, function* () {
let docShell = content.QueryInterface(Ci.nsIInterfaceRequestor)
.getInterface(Ci.nsIWebNavigation)
.QueryInterface(Ci.nsIDocShell);
docShell.deviceSizeIsPageSize = false;
});
info("Checking for screen props once again.");
yield checkScreenProps2();
yield closeRDM(rdm);
});
function* doInitialChecks() {
let {innerWidth, matchesMedia} = yield grabContentInfo();
is(innerWidth, 110, "initial width should be 110px");
ok(!matchesMedia, "media query shouldn't match.");
}
function* checkScreenProps() {
let {matchesMedia, screen} = yield grabContentInfo();
ok(matchesMedia, "media query should match");
isnot(window.screen.width, screen.width,
"screen.width should not be the size of the screen.");
is(screen.width, 90, "screen.width should be the page width");
is(screen.height, 500, "screen.height should be the page height");
}
function* checkScreenProps2() {
let {matchesMedia, screen} = yield grabContentInfo();
ok(!matchesMedia, "media query should be re-evaluated.");
is(window.screen.width, screen.width,
"screen.width should be the size of the screen.");
}
function grabContentInfo() {
return ContentTask.spawn(gBrowser.selectedBrowser, {}, function* () {
return {
screen: {
width: content.screen.width,
height: content.screen.height
},
innerWidth: content.innerWidth,
matchesMedia: content.matchMedia("(max-device-width:100px)").matches
};
});
}
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