gecko/browser/base/content/test/browser_bug719271.js

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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
"use strict";
const TEST_PAGE = "http://example.org/browser/browser/base/content/test/zoom_test.html";
const TEST_VIDEO = "http://example.org/browser/browser/base/content/test/video.ogg";
var gTab1, gTab2, gLevel1, gLevel2;
function test() {
waitForExplicitFinish();
gTab1 = gBrowser.addTab();
gTab2 = gBrowser.addTab();
gBrowser.selectedTab = gTab1;
load(gTab1, TEST_PAGE, function() {
load(gTab2, TEST_VIDEO, zoomTab1);
});
}
function zoomTab1() {
is(gBrowser.selectedTab, gTab1, "Tab 1 is selected");
zoomTest(gTab1, 1, "Initial zoom of tab 1 should be 1");
zoomTest(gTab2, 1, "Initial zoom of tab 2 should be 1");
FullZoom.enlarge();
gLevel1 = ZoomManager.getZoomForBrowser(gBrowser.getBrowserForTab(gTab1));
ok(gLevel1 > 1, "New zoom for tab 1 should be greater than 1");
zoomTest(gTab2, 1, "Zooming tab 1 should not affect tab 2");
gBrowser.selectedTab = gTab2;
zoomTest(gTab2, 1, "Tab 2 is still unzoomed after it is selected");
zoomTest(gTab1, gLevel1, "Tab 1 is still zoomed");
zoomTab2();
}
function zoomTab2() {
is(gBrowser.selectedTab, gTab2, "Tab 2 is selected");
FullZoom.reduce();
let gLevel2 = ZoomManager.getZoomForBrowser(gBrowser.getBrowserForTab(gTab2));
ok(gLevel2 < 1, "New zoom for tab 2 should be less than 1");
zoomTest(gTab1, gLevel1, "Zooming tab 2 should not affect tab 1");
afterZoom(function() {
zoomTest(gTab1, gLevel1, "Tab 1 should have the same zoom after it's selected");
testNavigation();
});
gBrowser.selectedTab = gTab1;
}
function testNavigation() {
load(gTab1, TEST_VIDEO, function() {
zoomTest(gTab1, 1, "Zoom should be 1 when a video was loaded");
navigate(BACK, function() {
zoomTest(gTab1, gLevel1, "Zoom should be restored when a page is loaded");
navigate(FORWARD, function() {
zoomTest(gTab1, 1, "Zoom should be 1 again when navigating back to a video");
finishTest();
});
});
});
}
var finishTestStarted = false;
function finishTest() {
ok(!finishTestStarted, "finishTest called more than once");
finishTestStarted = true;
gBrowser.selectedTab = gTab1;
FullZoom.reset();
gBrowser.removeTab(gTab1);
gBrowser.selectedTab = gTab2;
FullZoom.reset();
gBrowser.removeTab(gTab2);
finish();
}
function zoomTest(tab, val, msg) {
is(ZoomManager.getZoomForBrowser(tab.linkedBrowser), val, msg);
}
function load(tab, url, cb) {
let didLoad = false;
let didZoom = false;
tab.linkedBrowser.addEventListener("load", function onload(event) {
event.currentTarget.removeEventListener("load", onload, true);
didLoad = true;
if (didZoom)
executeSoon(cb);
}, true);
afterZoom(function() {
didZoom = true;
if (didLoad)
executeSoon(cb);
});
tab.linkedBrowser.loadURI(url);
}
const BACK = 0;
const FORWARD = 1;
function navigate(direction, cb) {
let didPs = false;
let didZoom = false;
gBrowser.addEventListener("pageshow", function onpageshow(event) {
gBrowser.removeEventListener("pageshow", onpageshow, true);
didPs = true;
if (didZoom)
executeSoon(cb);
}, true);
afterZoom(function() {
didZoom = true;
if (didPs)
executeSoon(cb);
});
if (direction == BACK)
gBrowser.goBack();
else if (direction == FORWARD)
gBrowser.goForward();
}
function afterZoom(cb) {
let oldSZFB = ZoomManager.setZoomForBrowser;
ZoomManager.setZoomForBrowser = function(browser, value) {
oldSZFB.call(ZoomManager, browser, value);
ZoomManager.setZoomForBrowser = oldSZFB;
executeSoon(cb);
};
}