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/**
* Verify that if the page contents change after print preview is initialized,
* and we re-initialize print preview (e.g. by changing page orientation),
* we still show (and will therefore print) the original contents.
*/
add_task(function* pp_after_orientation_change() {
const DATA_URI = `data:text/html,<script>window.onafterprint = function() { setTimeout("window.location = 'data:text/plain,REPLACED PAGE!'", 0); }</script><pre>INITIAL PAGE</pre>`;
// Can only do something if we have a print preview UI:
if (AppConstants.platform != "win" && AppConstants.platform != "linux") {
ok(true, "Can't test if there's no print preview.");
return;
}
// Ensure we get a browserStopped for this browser
let tab = yield BrowserTestUtils.openNewForegroundTab(gBrowser, DATA_URI, false, true);
let browserToPrint = tab.linkedBrowser;
let ppBrowser = PrintPreviewListener.getPrintPreviewBrowser();
// Get a promise now that resolves when the original tab's location changes.
let originalTabNavigated = BrowserTestUtils.browserStopped(browserToPrint);
// Enter print preview:
let printPreviewEntered = BrowserTestUtils.waitForMessage(ppBrowser.messageManager, "Printing:Preview:Entered");
document.getElementById("cmd_printPreview").doCommand();
yield printPreviewEntered;
// Assert that we are showing the original page
yield ContentTask.spawn(ppBrowser, null, function* () {
is(content.document.body.textContent, "INITIAL PAGE", "Should have initial page print previewed.");
});
yield originalTabNavigated;
// Change orientation and wait for print preview to re-enter:
let orient = PrintUtils.getPrintSettings().orientation;
let orientToSwitchTo = orient != Ci.nsIPrintSettings.kPortraitOrientation ?
"portrait" : "landscape";
let printPreviewToolbar = document.querySelector("toolbar[printpreview=true]");
printPreviewEntered = BrowserTestUtils.waitForMessage(ppBrowser.messageManager, "Printing:Preview:Entered");
printPreviewToolbar.orient(orientToSwitchTo);
yield printPreviewEntered;
// Check that we're still showing the original page.
yield ContentTask.spawn(ppBrowser, null, function* () {
is(content.document.body.textContent, "INITIAL PAGE", "Should still have initial page print previewed.");
});
// Check that the other tab is definitely showing the new page:
yield ContentTask.spawn(browserToPrint, null, function* () {
is(content.document.body.textContent, "REPLACED PAGE!", "Original page should have changed.");
});
PrintUtils.exitPrintPreview();
yield BrowserTestUtils.removeTab(tab);
});
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