1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "printing/print_destination_interface.h"
6
7 #include "base/safe_numerics.h"
8 #include "base/win/metro.h"
9 #include "win8/util/win8_util.h"
10
11 namespace printing {
12
13 class PrintDestinationWin : public PrintDestinationInterface {
14 public:
PrintDestinationWin()15 PrintDestinationWin()
16 : metro_set_print_page_count_(NULL),
17 metro_set_print_page_content_(NULL) {
18 HMODULE metro_module = base::win::GetMetroModule();
19 if (metro_module != NULL) {
20 metro_set_print_page_count_ =
21 reinterpret_cast<MetroSetPrintPageCount>(
22 ::GetProcAddress(metro_module, "MetroSetPrintPageCount"));
23 metro_set_print_page_content_ =
24 reinterpret_cast<MetroSetPrintPageContent>(
25 ::GetProcAddress(metro_module, "MetroSetPrintPageContent"));
26 }
27 }
SetPageCount(int page_count)28 virtual void SetPageCount(int page_count) {
29 if (metro_set_print_page_count_)
30 metro_set_print_page_count_(page_count);
31 }
32
SetPageContent(int page_number,void * content,size_t content_size)33 virtual void SetPageContent(int page_number,
34 void* content,
35 size_t content_size) {
36 if (metro_set_print_page_content_)
37 metro_set_print_page_content_(page_number - 1, content,
38 base::checked_numeric_cast<UINT32>(content_size));
39 }
40 private:
41 typedef void (*MetroSetPrintPageCount)(INT);
42 typedef void (*MetroSetPrintPageContent)(INT, VOID*, UINT32);
43 MetroSetPrintPageCount metro_set_print_page_count_;
44 MetroSetPrintPageContent metro_set_print_page_content_;
45 };
46
CreatePrintDestination()47 PrintDestinationInterface* CreatePrintDestination() {
48 // We currently only support the Metro print destination.
49 if (win8::IsSingleWindowMetroMode())
50 return new PrintDestinationWin;
51 else
52 return NULL;
53 }
54
55 } // namespace printing
56