import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

widget/windows/nsPrintOptionsWin.cpp

@@ -0,0 +1,162 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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/. */
+#include "nsCOMPtr.h"
+#include "nsPrintOptionsWin.h"
+#include "nsPrintSettingsWin.h"
+#include "nsPrintDialogUtil.h"
+
+#include "nsGfxCIID.h"
+#include "nsIServiceManager.h"
+#include "nsIWebBrowserPrint.h"
+#include "nsWindowsHelpers.h"
+#include "ipc/IPCMessageUtils.h"
+
+const char kPrinterEnumeratorContractID[] = "@mozilla.org/gfx/printerenumerator;1";
+
+using namespace mozilla::embedding;
+
+/** ---------------------------------------------------
+ *  See documentation in nsPrintOptionsWin.h
+ *	@update 6/21/00 dwc
+ */
+nsPrintOptionsWin::nsPrintOptionsWin()
+{
+
+}
+
+/** ---------------------------------------------------
+ *  See documentation in nsPrintOptionsImpl.h
+ *	@update 6/21/00 dwc
+ */
+nsPrintOptionsWin::~nsPrintOptionsWin()
+{
+}
+
+NS_IMETHODIMP
+nsPrintOptionsWin::SerializeToPrintData(nsIPrintSettings* aSettings,
+                                        nsIWebBrowserPrint* aWBP,
+                                        PrintData* data)
+{
+  nsresult rv = nsPrintOptions::SerializeToPrintData(aSettings, aWBP, data);
+  NS_ENSURE_SUCCESS(rv, rv);
+
+  // Windows wants this information for its print dialogs
+  if (aWBP) {
+    aWBP->GetIsFramesetDocument(&data->isFramesetDocument());
+    aWBP->GetIsFramesetFrameSelected(&data->isFramesetFrameSelected());
+    aWBP->GetIsIFrameSelected(&data->isIFrameSelected());
+    aWBP->GetIsRangeSelection(&data->isRangeSelection());
+  }
+
+  nsCOMPtr<nsIPrintSettingsWin> psWin = do_QueryInterface(aSettings);
+  if (!psWin) {
+    return NS_ERROR_FAILURE;
+  }
+
+  char16_t* deviceName;
+  char16_t* driverName;
+
+  psWin->GetDeviceName(&deviceName);
+  psWin->GetDriverName(&driverName);
+
+  data->deviceName().Assign(deviceName);
+  data->driverName().Assign(driverName);
+
+  free(deviceName);
+  free(driverName);
+
+  // When creating the print dialog on Windows, we only need to send certain
+  // print settings information from the parent to the child not vice versa.
+  if (XRE_IsParentProcess()) {
+    psWin->GetPrintableWidthInInches(&data->printableWidthInInches());
+    psWin->GetPrintableHeightInInches(&data->printableHeightInInches());
+
+    // A DEVMODE can actually be of arbitrary size. If it turns out that it'll
+    // make our IPC message larger than the limit, then we'll error out.
+    LPDEVMODEW devModeRaw;
+    psWin->GetDevMode(&devModeRaw); // This actually allocates a copy of the
+                                    // the nsIPrintSettingsWin DEVMODE, so
+                                    // we're now responsible for deallocating
+                                    // it. We'll use an nsAutoDevMode helper
+                                    // to do this.
+    if (devModeRaw) {
+      nsAutoDevMode devMode(devModeRaw);
+      devModeRaw = nullptr;
+
+      size_t devModeTotalSize = devMode->dmSize + devMode->dmDriverExtra;
+      size_t msgTotalSize = sizeof(PrintData) + devModeTotalSize;
+
+      if (msgTotalSize > IPC::MAX_MESSAGE_SIZE) {
+        return NS_ERROR_FAILURE;
+      }
+
+      // Instead of reaching in and manually reading each member, we'll just
+      // copy the bits over.
+      const char* devModeData = reinterpret_cast<const char*>(devMode.get());
+      nsTArray<uint8_t> arrayBuf;
+      arrayBuf.AppendElements(devModeData, devModeTotalSize);
+      data->devModeData().SwapElements(arrayBuf);
+    }
+  }
+
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsPrintOptionsWin::DeserializeToPrintSettings(const PrintData& data,
+                                              nsIPrintSettings* settings)
+{
+  nsresult rv = nsPrintOptions::DeserializeToPrintSettings(data, settings);
+  NS_ENSURE_SUCCESS(rv, rv);
+
+  nsCOMPtr<nsIPrintSettingsWin> psWin = do_QueryInterface(settings);
+  if (!settings) {
+    return NS_ERROR_FAILURE;
+  }
+
+  if (XRE_IsContentProcess()) {
+    psWin->SetDeviceName(data.deviceName().get());
+    psWin->SetDriverName(data.driverName().get());
+
+    psWin->SetPrintableWidthInInches(data.printableWidthInInches());
+    psWin->SetPrintableHeightInInches(data.printableHeightInInches());
+
+    if (data.devModeData().IsEmpty()) {
+      psWin->SetDevMode(nullptr);
+    } else {
+      // Check minimum length of DEVMODE data.
+      auto devModeDataLength = data.devModeData().Length();
+      if (devModeDataLength < sizeof(DEVMODEW)) {
+        NS_WARNING("DEVMODE data is too short.");
+        return NS_ERROR_FAILURE;
+      }
+
+      DEVMODEW* devMode = reinterpret_cast<DEVMODEW*>(
+        const_cast<uint8_t*>(data.devModeData().Elements()));
+
+      // Check actual length of DEVMODE data.
+      if ((devMode->dmSize + devMode->dmDriverExtra) != devModeDataLength) {
+        NS_WARNING("DEVMODE length is incorrect.");
+        return NS_ERROR_FAILURE;
+      }
+
+      psWin->SetDevMode(devMode); // Copies
+    }
+  }
+
+  return NS_OK;
+}
+
+nsresult nsPrintOptionsWin::_CreatePrintSettings(nsIPrintSettings **_retval)
+{
+  *_retval = nullptr;
+  nsPrintSettingsWin* printSettings = new nsPrintSettingsWin(); // does not initially ref count
+  NS_ENSURE_TRUE(printSettings, NS_ERROR_OUT_OF_MEMORY);
+
+  NS_ADDREF(*_retval = printSettings); // ref count
+
+  return NS_OK;
+}
+