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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "chrome/renderer/print_web_view_helper.h" | 5 #include "chrome/renderer/print_web_view_helper.h" |
6 | 6 |
7 #include "base/file_descriptor_posix.h" | 7 #include "base/file_descriptor_posix.h" |
8 #include "base/logging.h" | 8 #include "base/logging.h" |
9 #include "chrome/common/render_messages.h" | 9 #include "chrome/common/render_messages.h" |
10 #include "chrome/common/render_messages_params.h" | 10 #include "chrome/common/render_messages_params.h" |
11 #include "printing/native_metafile.h" | 11 #include "printing/native_metafile.h" |
12 #include "skia/ext/vector_canvas.h" | 12 #include "skia/ext/vector_canvas.h" |
13 #include "third_party/WebKit/Source/WebKit/chromium/public/WebFrame.h" | 13 #include "third_party/WebKit/Source/WebKit/chromium/public/WebFrame.h" |
14 | 14 |
15 #if !defined(OS_CHROMEOS) | 15 #if !defined(OS_CHROMEOS) |
16 #include "base/process_util.h" | 16 #include "base/process_util.h" |
17 #endif // !defined(OS_CHROMEOS) | 17 #endif // !defined(OS_CHROMEOS) |
18 | 18 |
19 using WebKit::WebFrame; | 19 using WebKit::WebFrame; |
20 using WebKit::WebNode; | 20 using WebKit::WebNode; |
21 | 21 |
22 void PrintWebViewHelper::CreatePreviewDocument( | 22 void PrintWebViewHelper::CreatePreviewDocument( |
23 const ViewMsg_PrintPages_Params& params, WebFrame* frame) { | 23 const ViewMsg_PrintPages_Params& params, WebFrame* frame) { |
24 // We only can use PDF in the renderer because Cairo needs to create a | 24 // We only can use PDF in the renderer because Cairo needs to create a |
25 // temporary file for a PostScript surface. | 25 // temporary file for a PostScript surface. |
26 printing::NativeMetafile metafile(printing::NativeMetafile::PDF); | 26 printing::NativeMetafile metafile; |
27 int page_count = 0; | 27 int page_count = 0; |
28 | 28 |
29 if (!RenderPages(params, frame, false, &page_count, &metafile)) | 29 if (!RenderPages(params, frame, false, &page_count, &metafile)) |
30 return; | 30 return; |
31 | 31 |
32 // Get the size of the resulting metafile. | 32 // Get the size of the resulting metafile. |
33 uint32 buf_size = metafile.GetDataSize(); | 33 uint32 buf_size = metafile.GetDataSize(); |
34 DCHECK_GT(buf_size, 0u); | 34 DCHECK_GT(buf_size, 0u); |
35 | 35 |
36 ViewHostMsg_DidPreviewDocument_Params preview_params; | 36 ViewHostMsg_DidPreviewDocument_Params preview_params; |
37 preview_params.document_cookie = params.params.document_cookie; | 37 preview_params.document_cookie = params.params.document_cookie; |
38 preview_params.expected_pages_count = page_count; | 38 preview_params.expected_pages_count = page_count; |
39 preview_params.data_size = buf_size; | 39 preview_params.data_size = buf_size; |
40 | 40 |
41 if (!CopyMetafileDataToSharedMem(&metafile, | 41 if (!CopyMetafileDataToSharedMem(&metafile, |
42 &(preview_params.metafile_data_handle))) { | 42 &(preview_params.metafile_data_handle))) { |
43 preview_params.expected_pages_count = 0; | 43 preview_params.expected_pages_count = 0; |
44 preview_params.data_size = 0; | 44 preview_params.data_size = 0; |
45 } | 45 } |
46 Send(new ViewHostMsg_PagesReadyForPreview(routing_id(), preview_params)); | 46 Send(new ViewHostMsg_PagesReadyForPreview(routing_id(), preview_params)); |
47 } | 47 } |
48 | 48 |
49 void PrintWebViewHelper::PrintPages(const ViewMsg_PrintPages_Params& params, | 49 void PrintWebViewHelper::PrintPages(const ViewMsg_PrintPages_Params& params, |
50 WebFrame* frame, | 50 WebFrame* frame, |
51 WebNode* node) { | 51 WebNode* node) { |
52 // We only can use PDF in the renderer because Cairo needs to create a | 52 // We only can use PDF in the renderer because Cairo needs to create a |
53 // temporary file for a PostScript surface. | 53 // temporary file for a PostScript surface. |
54 printing::NativeMetafile metafile(printing::NativeMetafile::PDF); | 54 printing::NativeMetafile metafile; |
55 int page_count = 0; | 55 int page_count = 0; |
56 bool send_expected_page_count = | 56 bool send_expected_page_count = |
57 #if defined(OS_CHROMEOS) | 57 #if defined(OS_CHROMEOS) |
58 false; | 58 false; |
59 #else | 59 #else |
60 true; | 60 true; |
61 #endif // defined(OS_CHROMEOS) | 61 #endif // defined(OS_CHROMEOS) |
62 | 62 |
63 if (!RenderPages(params, frame, send_expected_page_count, &page_count, | 63 if (!RenderPages(params, frame, send_expected_page_count, &page_count, |
64 &metafile)) { | 64 &metafile)) { |
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220 canvas_size.height()); | 220 canvas_size.height()); |
221 frame->printPage(params.page_number, *canvas); | 221 frame->printPage(params.page_number, *canvas); |
222 | 222 |
223 // TODO(myhuang): We should handle transformation for paper margins. | 223 // TODO(myhuang): We should handle transformation for paper margins. |
224 // TODO(myhuang): We should render the header and the footer. | 224 // TODO(myhuang): We should render the header and the footer. |
225 | 225 |
226 // Done printing. Close the device context to retrieve the compiled metafile. | 226 // Done printing. Close the device context to retrieve the compiled metafile. |
227 if (!metafile->FinishPage()) | 227 if (!metafile->FinishPage()) |
228 NOTREACHED() << "metafile failed"; | 228 NOTREACHED() << "metafile failed"; |
229 } | 229 } |
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