diff -r 000000000000 -r 6474c204b198 widget/android/nsDeviceContextAndroid.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/widget/android/nsDeviceContextAndroid.cpp	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,92 @@
+/* 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 "nsDeviceContextAndroid.h"
+#include "nsString.h"
+#include "nsIFile.h"
+#include "nsIFileStreams.h"
+#include "nsAutoPtr.h"
+#include "gfxPDFSurface.h"
+#include "nsIPrintSettings.h"
+#include "nsDirectoryServiceDefs.h"
+
+NS_IMPL_ISUPPORTS(nsDeviceContextSpecAndroid, nsIDeviceContextSpec)
+
+NS_IMETHODIMP
+nsDeviceContextSpecAndroid::GetSurfaceForPrinter(gfxASurface** aSurface)
+{
+  nsresult rv =
+    NS_GetSpecialDirectory(NS_OS_TEMP_DIR, getter_AddRefs(mTempFile));
+  NS_ENSURE_SUCCESS(rv, rv);
+
+  nsAutoCString filename("tmp-printing.pdf");
+  mTempFile->AppendNative(filename);
+  rv = mTempFile->CreateUnique(nsIFile::NORMAL_FILE_TYPE, 0660);
+  NS_ENSURE_SUCCESS(rv, rv);
+
+  nsCOMPtr<nsIFileOutputStream> stream = do_CreateInstance("@mozilla.org/network/file-output-stream;1");
+  rv = stream->Init(mTempFile, -1, -1, 0);
+  NS_ENSURE_SUCCESS(rv, rv);
+
+  nsRefPtr<gfxASurface> surface;
+
+  // XXX: what should we do here for size? screen size?
+  gfxSize surfaceSize(480, 800);
+
+  surface = new gfxPDFSurface(stream, surfaceSize);
+
+
+  NS_ABORT_IF_FALSE(surface, "valid address expected");
+  surface.swap(*aSurface);
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsDeviceContextSpecAndroid::Init(nsIWidget* aWidget,
+                             nsIPrintSettings* aPS,
+                             bool aIsPrintPreview)
+{
+  mPrintSettings = aPS;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsDeviceContextSpecAndroid::BeginDocument(const nsAString& aTitle,
+                                          char16_t* aPrintToFileName,
+                                          int32_t aStartPage,
+                                          int32_t aEndPage)
+{
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsDeviceContextSpecAndroid::EndDocument()
+{
+  nsXPIDLString targetPath;
+  nsCOMPtr<nsIFile> destFile;
+  mPrintSettings->GetToFileName(getter_Copies(targetPath));
+  
+  nsresult rv = NS_NewNativeLocalFile(NS_ConvertUTF16toUTF8(targetPath),
+                                      false, getter_AddRefs(destFile));
+  NS_ENSURE_SUCCESS(rv, rv);
+  
+  nsAutoString destLeafName;
+  rv = destFile->GetLeafName(destLeafName);
+  NS_ENSURE_SUCCESS(rv, rv);
+  
+  nsCOMPtr<nsIFile> destDir;
+  rv = destFile->GetParent(getter_AddRefs(destDir));
+  NS_ENSURE_SUCCESS(rv, rv);
+  
+  rv = mTempFile->MoveTo(destDir, destLeafName);
+  NS_ENSURE_SUCCESS(rv, rv);
+  
+  destFile->SetPermissions(0666);
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsDeviceContextSpecAndroid::GetPath (const char** aPath)
+{
+  return NS_OK;
+}