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/* vim: set ts=2 sw=2 sts=2 et tw=80: */
/* 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";
var EXPORTED_SYMBOLS = ["PrintingParent"];
let gTestListener = null;
class PrintingParent extends JSWindowActorParent {
static setTestListener(listener) {
gTestListener = listener;
}
getPrintPreviewToolbar(browser) {
return browser.ownerDocument.getElementById("print-preview-toolbar");
}
receiveMessage(message) {
let browser = this.browsingContext.top.embedderElement;
let PrintUtils = browser.ownerGlobal.PrintUtils;
if (message.name == "Printing:Error") {
PrintUtils._displayPrintingError(
message.data.nsresult,
message.data.isPrinting
);
return undefined;
}
if (this.ignoreListeners) {
return undefined;
}
let listener = PrintUtils._webProgressPP?.value;
let data = message.data;
switch (message.name) {
case "Printing:Preview:CurrentPage": {
browser.setAttribute("current-page", message.data.currentPage);
break;
}
case "Printing:Preview:Entered": {
// This message is sent by the content process once it has completed
// putting the content into print preview mode. We must wait for that to
// to complete before switching the chrome UI to print preview mode,
// otherwise we have layout issues.
if (gTestListener) {
gTestListener(browser);
}
PrintUtils.printPreviewEntered(browser, message.data);
break;
}
case "Printing:Preview:ReaderModeReady": {
PrintUtils.readerModeReady(browser);
break;
}
case "Printing:Preview:UpdatePageCount": {
let toolbar = this.getPrintPreviewToolbar(browser);
toolbar.updatePageCount(message.data.totalPages);
break;
}
case "Printing:Preview:ProgressChange": {
if (!PrintUtils._webProgressPP.value) {
// We somehow didn't get a nsIWebProgressListener to be updated...
// I guess there's nothing to do.
return undefined;
}
return listener.onProgressChange(
null,
null,
data.curSelfProgress,
data.maxSelfProgress,
data.curTotalProgress,
data.maxTotalProgress
);
}
case "Printing:Preview:StateChange": {
if (!PrintUtils._webProgressPP.value) {
// We somehow didn't get a nsIWebProgressListener to be updated...
// I guess there's nothing to do.
return undefined;
}
if (data.stateFlags & Ci.nsIWebProgressListener.STATE_STOP) {
// Strangely, the printing engine sends 2 STATE_STOP messages when
// print preview is finishing. One has the STATE_IS_DOCUMENT flag,
// the other has the STATE_IS_NETWORK flag. However, the webProgressPP
// listener stops listening once the first STATE_STOP is sent.
// Any subsequent messages result in NS_ERROR_FAILURE errors getting
// thrown. This should all get torn out once bug 1088061 is fixed.
// Enable toobar elements that we disabled during update.
let printPreviewTB = this.getPrintPreviewToolbar(browser);
printPreviewTB.disableUpdateTriggers(false);
}
return listener.onStateChange(null, null, data.stateFlags, data.status);
}
}
return undefined;
}
}
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