1 files changed, 120 insertions, 0 deletions
diff --git a/gfx/thebes/PrintTargetWindows.cpp b/gfx/thebes/PrintTargetWindows.cpp
new file mode 100644
index 0000000000..498309d3ae
--- /dev/null
+++ b/gfx/thebes/PrintTargetWindows.cpp
@@ -0,0 +1,120 @@
+/* -*- Mode: C++; tab-width: 20; 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 "PrintTargetWindows.h"
+
+#include "cairo-win32.h"
+#include "mozilla/gfx/HelpersCairo.h"
+#include "nsCoord.h"
+#include "nsString.h"
+
+namespace mozilla {
+namespace gfx {
+
+PrintTargetWindows::PrintTargetWindows(cairo_surface_t* aCairoSurface,
+                                       const IntSize& aSize, HDC aDC)
+    : PrintTarget(aCairoSurface, aSize), mDC(aDC) {
+  // TODO: At least add basic memory reporting.
+  // 4 * mSize.width * mSize.height + sizeof(PrintTargetWindows) ?
+}
+
+/* static */
+already_AddRefed<PrintTargetWindows> PrintTargetWindows::CreateOrNull(HDC aDC) {
+  // Figure out the paper size, the actual surface size will be the printable
+  // area which is likely smaller, but the size here is later used to create the
+  // draw target where the full page size is needed.
+  // Note: we only scale the printing using the LOGPIXELSY,
+  // so we use that when calculating the surface width as well as the height.
+  int32_t heightDPI = ::GetDeviceCaps(aDC, LOGPIXELSY);
+  float width =
+      (::GetDeviceCaps(aDC, PHYSICALWIDTH) * POINTS_PER_INCH_FLOAT) / heightDPI;
+  float height =
+      (::GetDeviceCaps(aDC, PHYSICALHEIGHT) * POINTS_PER_INCH_FLOAT) /
+      heightDPI;
+  IntSize size = IntSize::Truncate(width, height);
+
+  if (!Factory::CheckSurfaceSize(size)) {
+    return nullptr;
+  }
+
+  cairo_surface_t* surface = cairo_win32_printing_surface_create(aDC);
+
+  if (cairo_surface_status(surface)) {
+    return nullptr;
+  }
+
+  // The new object takes ownership of our surface reference.
+  RefPtr<PrintTargetWindows> target =
+      new PrintTargetWindows(surface, size, aDC);
+
+  return target.forget();
+}
+
+nsresult PrintTargetWindows::BeginPrinting(const nsAString& aTitle,
+                                           const nsAString& aPrintToFileName,
+                                           int32_t aStartPage,
+                                           int32_t aEndPage) {
+  const uint32_t DOC_TITLE_LENGTH = MAX_PATH - 1;
+
+  DOCINFOW docinfo;
+
+  nsString titleStr(aTitle);
+  if (titleStr.Length() > DOC_TITLE_LENGTH) {
+    titleStr.SetLength(DOC_TITLE_LENGTH - 3);
+    titleStr.AppendLiteral("...");
+  }
+
+  nsString docName(aPrintToFileName);
+  docinfo.cbSize = sizeof(docinfo);
+  docinfo.lpszDocName =
+      titleStr.Length() > 0 ? titleStr.get() : L"Mozilla Document";
+  docinfo.lpszOutput = docName.Length() > 0 ? docName.get() : nullptr;
+  docinfo.lpszDatatype = nullptr;
+  docinfo.fwType = 0;
+
+  // If the user selected Microsoft Print to PDF or XPS Document Printer, then
+  // the following StartDoc call will put up a dialog window to prompt the
+  // user to provide the name and location of the file to be saved.  A zero or
+  // negative return value indicates failure.  In that case we want to check
+  // whether that is because the user hit Cancel, since we want to treat that
+  // specially to avoid notifying the user that the print "failed" in that
+  // case.
+  // XXX We should perhaps introduce a new NS_ERROR_USER_CANCELLED errer.
+  int result = ::StartDocW(mDC, &docinfo);
+  if (result <= 0) {
+    if (::GetLastError() == ERROR_CANCELLED) {
+      return NS_ERROR_ABORT;
+    }
+    return NS_ERROR_FAILURE;
+  }
+  return NS_OK;
+}
+
+nsresult PrintTargetWindows::EndPrinting() {
+  int result = ::EndDoc(mDC);
+  return (result <= 0) ? NS_ERROR_FAILURE : NS_OK;
+}
+
+nsresult PrintTargetWindows::AbortPrinting() {
+  PrintTarget::AbortPrinting();
+  int result = ::AbortDoc(mDC);
+  return (result <= 0) ? NS_ERROR_FAILURE : NS_OK;
+}
+
+nsresult PrintTargetWindows::BeginPage(const IntSize& aSizeInPoints) {
+  PrintTarget::BeginPage(aSizeInPoints);
+  int result = ::StartPage(mDC);
+  return (result <= 0) ? NS_ERROR_FAILURE : NS_OK;
+}
+
+nsresult PrintTargetWindows::EndPage() {
+  cairo_surface_show_page(mCairoSurface);
+  PrintTarget::EndPage();
+  int result = ::EndPage(mDC);
+  return (result <= 0) ? NS_ERROR_FAILURE : NS_OK;
+}
+
+}  // namespace gfx
+}  // namespace mozilla