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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 "base/memory/scoped_ptr.h" | 9 #include "base/memory/scoped_ptr.h" |
| 10 #include "base/metrics/histogram.h" | 10 #include "base/metrics/histogram.h" |
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| 50 print_preview_context_.generate_draft_pages()){ | 50 print_preview_context_.generate_draft_pages()){ |
| 51 DCHECK(!draft_metafile.get()); | 51 DCHECK(!draft_metafile.get()); |
| 52 draft_metafile.reset( | 52 draft_metafile.reset( |
| 53 print_preview_context_.metafile()->GetMetafileForCurrentPage()); | 53 print_preview_context_.metafile()->GetMetafileForCurrentPage()); |
| 54 } | 54 } |
| 55 return PreviewPageRendered(page_number, draft_metafile.get()); | 55 return PreviewPageRendered(page_number, draft_metafile.get()); |
| 56 } | 56 } |
| 57 | 57 |
| 58 bool PrintWebViewHelper::PrintPages(const PrintMsg_PrintPages_Params& params, | 58 bool PrintWebViewHelper::PrintPages(const PrintMsg_PrintPages_Params& params, |
| 59 WebFrame* frame, | 59 WebFrame* frame, |
| 60 const WebNode& node, | 60 const WebNode& node) { |
| 61 PrepareFrameAndViewForPrint* prepare) { | |
| 62 printing::NativeMetafile metafile; | 61 printing::NativeMetafile metafile; |
| 63 if (!metafile.Init()) | 62 if (!metafile.Init()) |
| 64 return false; | 63 return false; |
| 65 | 64 |
| 66 scoped_ptr<PrepareFrameAndViewForPrint> prep_frame_view; | 65 scoped_ptr<PrepareFrameAndViewForPrint> prep_frame_view; |
| 67 if (!prepare) { | 66 prep_frame_view.reset(new PrepareFrameAndViewForPrint(params.params, frame, |
|
vandebo (ex-Chrome)
2011/11/19 00:02:20
nit: Use a stack object.
kmadhusu
2011/11/19 00:20:56
Done.
| |
| 68 prep_frame_view.reset(new PrepareFrameAndViewForPrint(params.params, frame, | 67 node)); |
| 69 node)); | 68 int page_count = 0; |
| 70 prepare = prep_frame_view.get(); | 69 if (!RenderPages(params, frame, node, &page_count, prep_frame_view.get(), |
| 70 &metafile)) { | |
| 71 return false; | |
| 71 } | 72 } |
| 72 int page_count = 0; | |
| 73 if (!RenderPages(params, frame, node, &page_count, prepare, &metafile)) | |
| 74 return false; | |
| 75 | 73 |
| 76 // Get the size of the resulting metafile. | 74 // Get the size of the resulting metafile. |
| 77 uint32 buf_size = metafile.GetDataSize(); | 75 uint32 buf_size = metafile.GetDataSize(); |
| 78 DCHECK_GT(buf_size, 0u); | 76 DCHECK_GT(buf_size, 0u); |
| 79 | 77 |
| 80 #if defined(OS_CHROMEOS) | 78 #if defined(OS_CHROMEOS) |
| 81 int sequence_number = -1; | 79 int sequence_number = -1; |
| 82 base::FileDescriptor fd; | 80 base::FileDescriptor fd; |
| 83 | 81 |
| 84 // Ask the browser to open a file for us. | 82 // Ask the browser to open a file for us. |
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| 218 // The scale factor on Linux is 1. | 216 // The scale factor on Linux is 1. |
| 219 PrintHeaderAndFooter(canvas.get(), params.page_number + 1, | 217 PrintHeaderAndFooter(canvas.get(), params.page_number + 1, |
| 220 print_preview_context_.total_page_count(), 1, | 218 print_preview_context_.total_page_count(), 1, |
| 221 page_layout_in_points, *header_footer_info_); | 219 page_layout_in_points, *header_footer_info_); |
| 222 } | 220 } |
| 223 | 221 |
| 224 // Done printing. Close the device context to retrieve the compiled metafile. | 222 // Done printing. Close the device context to retrieve the compiled metafile. |
| 225 if (!metafile->FinishPage()) | 223 if (!metafile->FinishPage()) |
| 226 NOTREACHED() << "metafile failed"; | 224 NOTREACHED() << "metafile failed"; |
| 227 } | 225 } |
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