From 92ab8ce04d850a59aa3d1b49ba2986845102baf3 Mon Sep 17 00:00:00 2001
From: vitalybuka <vitalybuka@chromium.org>
Date: Tue, 26 Aug 2014 16:41:45 -0700
Subject: Use document from preview for System Dialog printing on Windows.
 System dialog shows only properties of selected printers, no system dialog
 with printers. Removed global Ctrl+Shift+P shortcut on windows.

BUG=374321

Review URL: https://codereview.chromium.org/480303002

Cr-Commit-Position: refs/heads/master@{#292032}
---
 printing/backend/win_helper.cc | 32 ++++++++++++++++++++++++++++++++
 printing/backend/win_helper.h  |  8 ++++++++
 2 files changed, 40 insertions(+)

(limited to 'printing/backend')

diff --git a/printing/backend/win_helper.cc b/printing/backend/win_helper.cc
index 6aba7c6..db8d735 100644
--- a/printing/backend/win_helper.cc
+++ b/printing/backend/win_helper.cc
@@ -488,4 +488,36 @@ scoped_ptr<DEVMODE, base::FreeDeleter> CreateDevMode(HANDLE printer,
   return out.Pass();
 }
 
+scoped_ptr<DEVMODE, base::FreeDeleter> PromptDevMode(
+    HANDLE printer,
+    const base::string16& printer_name,
+    DEVMODE* in,
+    HWND window,
+    bool* canceled) {
+  LONG buffer_size =
+      DocumentProperties(window,
+                         printer,
+                         const_cast<wchar_t*>(printer_name.c_str()),
+                         NULL,
+                         NULL,
+                         0);
+  if (buffer_size < static_cast<int>(sizeof(DEVMODE)))
+    return scoped_ptr<DEVMODE, base::FreeDeleter>();
+  scoped_ptr<DEVMODE, base::FreeDeleter> out(
+      reinterpret_cast<DEVMODE*>(malloc(buffer_size)));
+  DWORD flags = (in ? (DM_IN_BUFFER) : 0) | DM_OUT_BUFFER | DM_IN_PROMPT;
+  LONG result = DocumentProperties(window,
+                                   printer,
+                                   const_cast<wchar_t*>(printer_name.c_str()),
+                                   out.get(),
+                                   in,
+                                   flags);
+  if (canceled)
+    *canceled = (result == IDCANCEL);
+  if (result != IDOK)
+    return scoped_ptr<DEVMODE, base::FreeDeleter>();
+  CHECK_GE(buffer_size, out.get()->dmSize + out.get()->dmDriverExtra);
+  return out.Pass();
+}
+
 }  // namespace printing
diff --git a/printing/backend/win_helper.h b/printing/backend/win_helper.h
index 18d0355..c6665f4 100644
--- a/printing/backend/win_helper.h
+++ b/printing/backend/win_helper.h
@@ -186,6 +186,14 @@ PRINTING_EXPORT scoped_ptr<DEVMODE, base::FreeDeleter> CreateDevMode(
     HANDLE printer,
     DEVMODE* in);
 
+// Prompts for new DEVMODE. If |in| is not NULL copy settings from there.
+PRINTING_EXPORT scoped_ptr<DEVMODE, base::FreeDeleter> PromptDevMode(
+    HANDLE printer,
+    const base::string16& printer_name,
+    DEVMODE* in,
+    HWND window,
+    bool* canceled);
+
 }  // namespace printing
 
 #endif  // PRINTING_BACKEND_WIN_HELPER_H_
-- 
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