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2ae68d12e9
A few callers of NS_NewISupportsArray() didn't use the return value to detect failure, but instead checked if the |array| argument was null after the call. This is inconsistent with the majority of the calls to NS_NewISupportsArray(). This patch changes them to be checked in the normal way. --HG-- extra : rebase_source : bf91836d7c3b159833c303a3716f4d9366f8b76a
306 lines
10 KiB
C++
306 lines
10 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsPrintingPromptService.h"
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#include "nsIComponentManager.h"
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#include "nsIDialogParamBlock.h"
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#include "nsIDOMWindow.h"
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#include "nsIServiceManager.h"
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#include "nsISupportsUtils.h"
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#include "nsISupportsArray.h"
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#include "nsString.h"
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#include "nsIPrintDialogService.h"
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// Printing Progress Includes
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#include "nsPrintProgress.h"
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#include "nsPrintProgressParams.h"
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static const char *kPrintDialogURL = "chrome://global/content/printdialog.xul";
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static const char *kPrintProgressDialogURL = "chrome://global/content/printProgress.xul";
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static const char *kPrtPrvProgressDialogURL = "chrome://global/content/printPreviewProgress.xul";
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static const char *kPageSetupDialogURL = "chrome://global/content/printPageSetup.xul";
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static const char *kPrinterPropertiesURL = "chrome://global/content/printjoboptions.xul";
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/****************************************************************
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************************* ParamBlock ***************************
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****************************************************************/
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class ParamBlock {
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public:
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ParamBlock()
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{
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mBlock = 0;
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}
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~ParamBlock()
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{
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NS_IF_RELEASE(mBlock);
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}
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nsresult Init() {
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return CallCreateInstance(NS_DIALOGPARAMBLOCK_CONTRACTID, &mBlock);
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}
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nsIDialogParamBlock * operator->() const MOZ_NO_ADDREF_RELEASE_ON_RETURN { return mBlock; }
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operator nsIDialogParamBlock * () const { return mBlock; }
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private:
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nsIDialogParamBlock *mBlock;
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};
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/****************************************************************
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***************** nsPrintingPromptService **********************
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****************************************************************/
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NS_IMPL_ISUPPORTS(nsPrintingPromptService, nsIPrintingPromptService, nsIWebProgressListener)
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nsPrintingPromptService::nsPrintingPromptService()
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{
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}
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nsPrintingPromptService::~nsPrintingPromptService()
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{
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}
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nsresult
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nsPrintingPromptService::Init()
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{
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nsresult rv;
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mWatcher = do_GetService(NS_WINDOWWATCHER_CONTRACTID, &rv);
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return rv;
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}
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NS_IMETHODIMP
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nsPrintingPromptService::ShowPrintDialog(mozIDOMWindowProxy *parent,
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nsIWebBrowserPrint *webBrowserPrint,
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nsIPrintSettings *printSettings)
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{
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NS_ENSURE_ARG(webBrowserPrint);
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NS_ENSURE_ARG(printSettings);
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// Try to access a component dialog
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nsCOMPtr<nsIPrintDialogService> dlgPrint(do_GetService(
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NS_PRINTDIALOGSERVICE_CONTRACTID));
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if (dlgPrint)
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return dlgPrint->Show(nsPIDOMWindowOuter::From(parent),
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printSettings, webBrowserPrint);
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// Show the built-in dialog instead
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ParamBlock block;
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nsresult rv = block.Init();
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if (NS_FAILED(rv))
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return rv;
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block->SetInt(0, 0);
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return DoDialog(parent, block, webBrowserPrint, printSettings, kPrintDialogURL);
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}
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NS_IMETHODIMP
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nsPrintingPromptService::ShowProgress(mozIDOMWindowProxy* parent,
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nsIWebBrowserPrint* webBrowserPrint, // ok to be null
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nsIPrintSettings* printSettings, // ok to be null
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nsIObserver* openDialogObserver, // ok to be null
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bool isForPrinting,
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nsIWebProgressListener** webProgressListener,
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nsIPrintProgressParams** printProgressParams,
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bool* notifyOnOpen)
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{
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NS_ENSURE_ARG(webProgressListener);
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NS_ENSURE_ARG(printProgressParams);
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NS_ENSURE_ARG(notifyOnOpen);
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*notifyOnOpen = false;
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nsPrintProgress* prtProgress = new nsPrintProgress(printSettings);
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mPrintProgress = prtProgress;
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mWebProgressListener = prtProgress;
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nsCOMPtr<nsIPrintProgressParams> prtProgressParams = new nsPrintProgressParams();
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nsCOMPtr<mozIDOMWindowProxy> parentWindow = parent;
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if (mWatcher && !parentWindow) {
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mWatcher->GetActiveWindow(getter_AddRefs(parentWindow));
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}
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if (parentWindow) {
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mPrintProgress->OpenProgressDialog(parentWindow,
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isForPrinting ? kPrintProgressDialogURL : kPrtPrvProgressDialogURL,
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prtProgressParams, openDialogObserver, notifyOnOpen);
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}
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prtProgressParams.forget(printProgressParams);
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NS_ADDREF(*webProgressListener = this);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsPrintingPromptService::ShowPageSetup(mozIDOMWindowProxy *parent,
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nsIPrintSettings *printSettings,
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nsIObserver *aObs)
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{
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NS_ENSURE_ARG(printSettings);
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// Try to access a component dialog
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nsCOMPtr<nsIPrintDialogService> dlgPrint(do_GetService(
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NS_PRINTDIALOGSERVICE_CONTRACTID));
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if (dlgPrint)
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return dlgPrint->ShowPageSetup(nsPIDOMWindowOuter::From(parent),
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printSettings);
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ParamBlock block;
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nsresult rv = block.Init();
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if (NS_FAILED(rv))
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return rv;
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block->SetInt(0, 0);
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return DoDialog(parent, block, nullptr, printSettings, kPageSetupDialogURL);
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}
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NS_IMETHODIMP
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nsPrintingPromptService::ShowPrinterProperties(mozIDOMWindowProxy *parent,
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const char16_t *printerName,
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nsIPrintSettings *printSettings)
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{
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/* fixme: We simply ignore the |aPrinter| argument here
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* We should get the supported printer attributes from the printer and
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* populate the print job options dialog with these data instead of using
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* the "default set" here.
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* However, this requires changes on all platforms and is another big chunk
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* of patches ... ;-(
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*/
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NS_ENSURE_ARG(printerName);
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NS_ENSURE_ARG(printSettings);
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ParamBlock block;
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nsresult rv = block.Init();
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if (NS_FAILED(rv))
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return rv;
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block->SetInt(0, 0);
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return DoDialog(parent, block, nullptr, printSettings, kPrinterPropertiesURL);
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}
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nsresult
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nsPrintingPromptService::DoDialog(mozIDOMWindowProxy *aParent,
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nsIDialogParamBlock *aParamBlock,
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nsIWebBrowserPrint *aWebBrowserPrint,
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nsIPrintSettings* aPS,
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const char *aChromeURL)
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{
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NS_ENSURE_ARG(aParamBlock);
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NS_ENSURE_ARG(aPS);
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NS_ENSURE_ARG(aChromeURL);
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if (!mWatcher)
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return NS_ERROR_FAILURE;
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// get a parent, if at all possible
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// (though we'd rather this didn't fail, it's OK if it does. so there's
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// no failure or null check.)
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nsCOMPtr<mozIDOMWindowProxy> activeParent;
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if (!aParent)
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{
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mWatcher->GetActiveWindow(getter_AddRefs(activeParent));
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aParent = activeParent;
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}
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// create a nsISupportsArray of the parameters
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// being passed to the window
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nsCOMPtr<nsISupportsArray> array;
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nsresult rv = NS_NewISupportsArray(getter_AddRefs(array));
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if (NS_FAILED(rv)) {
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return NS_ERROR_FAILURE;
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}
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nsCOMPtr<nsISupports> psSupports(do_QueryInterface(aPS));
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NS_ASSERTION(psSupports, "PrintSettings must be a supports");
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array->AppendElement(psSupports);
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if (aWebBrowserPrint) {
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nsCOMPtr<nsISupports> wbpSupports(do_QueryInterface(aWebBrowserPrint));
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NS_ASSERTION(wbpSupports, "nsIWebBrowserPrint must be a supports");
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array->AppendElement(wbpSupports);
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}
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nsCOMPtr<nsISupports> blkSupps(do_QueryInterface(aParamBlock));
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NS_ASSERTION(blkSupps, "IOBlk must be a supports");
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array->AppendElement(blkSupps);
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nsCOMPtr<nsISupports> arguments(do_QueryInterface(array));
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NS_ASSERTION(array, "array must be a supports");
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nsCOMPtr<mozIDOMWindowProxy> dialog;
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rv = mWatcher->OpenWindow(aParent, aChromeURL, "_blank",
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"centerscreen,chrome,modal,titlebar", arguments,
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getter_AddRefs(dialog));
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// if aWebBrowserPrint is not null then we are printing
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// so we want to pass back NS_ERROR_ABORT on cancel
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if (NS_SUCCEEDED(rv) && aWebBrowserPrint)
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{
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int32_t status;
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aParamBlock->GetInt(0, &status);
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return status == 0?NS_ERROR_ABORT:NS_OK;
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}
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return rv;
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}
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//////////////////////////////////////////////////////////////////////
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// nsIWebProgressListener
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//////////////////////////////////////////////////////////////////////
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NS_IMETHODIMP
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nsPrintingPromptService::OnStateChange(nsIWebProgress *aWebProgress, nsIRequest *aRequest, uint32_t aStateFlags, nsresult aStatus)
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{
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if ((aStateFlags & STATE_STOP) && mWebProgressListener) {
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mWebProgressListener->OnStateChange(aWebProgress, aRequest, aStateFlags, aStatus);
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if (mPrintProgress) {
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mPrintProgress->CloseProgressDialog(true);
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}
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mPrintProgress = nullptr;
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mWebProgressListener = nullptr;
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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nsPrintingPromptService::OnProgressChange(nsIWebProgress *aWebProgress, nsIRequest *aRequest, int32_t aCurSelfProgress, int32_t aMaxSelfProgress, int32_t aCurTotalProgress, int32_t aMaxTotalProgress)
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{
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if (mWebProgressListener) {
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return mWebProgressListener->OnProgressChange(aWebProgress, aRequest, aCurSelfProgress, aMaxSelfProgress, aCurTotalProgress, aMaxTotalProgress);
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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nsPrintingPromptService::OnLocationChange(nsIWebProgress *aWebProgress, nsIRequest *aRequest, nsIURI *location, uint32_t aFlags)
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{
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if (mWebProgressListener) {
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return mWebProgressListener->OnLocationChange(aWebProgress, aRequest, location, aFlags);
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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nsPrintingPromptService::OnStatusChange(nsIWebProgress *aWebProgress, nsIRequest *aRequest, nsresult aStatus, const char16_t *aMessage)
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{
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if (mWebProgressListener) {
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return mWebProgressListener->OnStatusChange(aWebProgress, aRequest, aStatus, aMessage);
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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nsPrintingPromptService::OnSecurityChange(nsIWebProgress *aWebProgress, nsIRequest *aRequest, uint32_t state)
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{
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if (mWebProgressListener) {
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return mWebProgressListener->OnSecurityChange(aWebProgress, aRequest, state);
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}
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return NS_OK;
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}
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