Adding upstream version 86.0.1.upstream/86.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 113 insertions, 0 deletions

diff --git a/toolkit/actors/PrintingParent.jsm b/toolkit/actors/PrintingParent.jsm
new file mode 100644
index 0000000000..00baca696c
--- /dev/null
+++ b/toolkit/actors/PrintingParent.jsm
@@ -0,0 +1,113 @@
+/* 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;
+  }
+}