| OLD | NEW |
| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 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/printing/print_web_view_helper.h" | 5 #include "chrome/renderer/printing/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" |
| (...skipping 39 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 50 draft_metafile->FinishDocument(); | 50 draft_metafile->FinishDocument(); |
| 51 } else if (print_preview_context_.IsModifiable() && | 51 } else if (print_preview_context_.IsModifiable() && |
| 52 print_preview_context_.generate_draft_pages()) { | 52 print_preview_context_.generate_draft_pages()) { |
| 53 DCHECK(!draft_metafile.get()); | 53 DCHECK(!draft_metafile.get()); |
| 54 draft_metafile.reset( | 54 draft_metafile.reset( |
| 55 print_preview_context_.metafile()->GetMetafileForCurrentPage()); | 55 print_preview_context_.metafile()->GetMetafileForCurrentPage()); |
| 56 } | 56 } |
| 57 return PreviewPageRendered(page_number, draft_metafile.get()); | 57 return PreviewPageRendered(page_number, draft_metafile.get()); |
| 58 } | 58 } |
| 59 | 59 |
| 60 bool PrintWebViewHelper::PrintPages(WebFrame* frame, const WebNode& node) { | 60 bool PrintWebViewHelper::PrintPagesNative(WebKit::WebFrame* frame, |
| 61 const WebKit::WebNode& node, |
| 62 int page_count, |
| 63 const gfx::Size& canvas_size) { |
| 61 NativeMetafile metafile; | 64 NativeMetafile metafile; |
| 62 if (!metafile.Init()) | 65 if (!metafile.Init()) |
| 63 return false; | 66 return false; |
| 64 | 67 |
| 65 const PrintMsg_PrintPages_Params& params = *print_pages_params_; | 68 const PrintMsg_PrintPages_Params& params = *print_pages_params_; |
| 66 std::vector<int> printed_pages; | 69 std::vector<int> printed_pages; |
| 67 if (!RenderPages(params, frame, node, &printed_pages, &metafile)) { | 70 |
| 71 if (params.pages.empty()) { |
| 72 for (int i = 0; i < page_count; ++i) { |
| 73 printed_pages.push_back(i); |
| 74 } |
| 75 } else { |
| 76 // TODO(vitalybuka): redesign to make more code cross platform. |
| 77 for (size_t i = 0; i < params.pages.size(); ++i) { |
| 78 if (params.pages[i] >= 0 && params.pages[i] < page_count) { |
| 79 printed_pages.push_back(params.pages[i]); |
| 80 } |
| 81 } |
| 82 } |
| 83 |
| 84 if (printed_pages.empty()) |
| 68 return false; | 85 return false; |
| 86 |
| 87 PrintMsg_PrintPage_Params page_params; |
| 88 page_params.params = params.params; |
| 89 for (size_t i = 0; i < printed_pages.size(); ++i) { |
| 90 page_params.page_number = printed_pages[i]; |
| 91 PrintPageInternal(page_params, canvas_size, frame, &metafile); |
| 69 } | 92 } |
| 70 | 93 |
| 71 metafile.FinishDocument(); | 94 metafile.FinishDocument(); |
| 72 | 95 |
| 73 // Get the size of the resulting metafile. | 96 // Get the size of the resulting metafile. |
| 74 uint32 buf_size = metafile.GetDataSize(); | 97 uint32 buf_size = metafile.GetDataSize(); |
| 75 DCHECK_GT(buf_size, 0u); | 98 DCHECK_GT(buf_size, 0u); |
| 76 | 99 |
| 77 #if defined(OS_CHROMEOS) | 100 #if defined(OS_CHROMEOS) |
| 78 int sequence_number = -1; | 101 int sequence_number = -1; |
| (...skipping 35 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 114 for (size_t i = 0; i < printed_pages.size(); ++i) { | 137 for (size_t i = 0; i < printed_pages.size(); ++i) { |
| 115 printed_page_params.page_number = printed_pages[i]; | 138 printed_page_params.page_number = printed_pages[i]; |
| 116 Send(new PrintHostMsg_DidPrintPage(routing_id(), printed_page_params)); | 139 Send(new PrintHostMsg_DidPrintPage(routing_id(), printed_page_params)); |
| 117 // Send the rest of the pages with an invalid metafile handle. | 140 // Send the rest of the pages with an invalid metafile handle. |
| 118 printed_page_params.metafile_data_handle.fd = -1; | 141 printed_page_params.metafile_data_handle.fd = -1; |
| 119 } | 142 } |
| 120 return true; | 143 return true; |
| 121 #endif // defined(OS_CHROMEOS) | 144 #endif // defined(OS_CHROMEOS) |
| 122 } | 145 } |
| 123 | 146 |
| 124 bool PrintWebViewHelper::RenderPages(const PrintMsg_PrintPages_Params& params, | |
| 125 WebKit::WebFrame* frame, | |
| 126 const WebKit::WebNode& node, | |
| 127 std::vector<int>* printed_pages, | |
| 128 Metafile* metafile) { | |
| 129 PrepareFrameAndViewForPrint prepare(params.params, frame, node); | |
| 130 PrintMsg_Print_Params print_params = params.params; | |
| 131 UpdateFrameAndViewFromCssPageLayout(frame, node, &prepare, print_params, | |
| 132 ignore_css_margins_); | |
| 133 | |
| 134 int page_count = prepare.GetExpectedPageCount(); | |
| 135 if (!page_count) | |
| 136 return false; | |
| 137 | |
| 138 #if !defined(OS_CHROMEOS) | |
| 139 // TODO(vitalybuka): should be page_count or valid pages from params.pages. | |
| 140 // See http://crbug.com/161576 | |
| 141 Send(new PrintHostMsg_DidGetPrintedPagesCount(routing_id(), | |
| 142 print_params.document_cookie, | |
| 143 page_count)); | |
| 144 #endif | |
| 145 | |
| 146 if (params.pages.empty()) { | |
| 147 for (int i = 0; i < page_count; ++i) { | |
| 148 printed_pages->push_back(i); | |
| 149 } | |
| 150 } else { | |
| 151 // TODO(vitalybuka): redesign to make more code cross platform. | |
| 152 for (size_t i = 0; i < params.pages.size(); ++i) { | |
| 153 if (params.pages[i] >= 0 && params.pages[i] < page_count) { | |
| 154 printed_pages->push_back(params.pages[i]); | |
| 155 } | |
| 156 } | |
| 157 } | |
| 158 | |
| 159 if (printed_pages->empty()) | |
| 160 return false; | |
| 161 | |
| 162 PrintMsg_PrintPage_Params page_params; | |
| 163 page_params.params = print_params; | |
| 164 const gfx::Size& canvas_size = prepare.GetPrintCanvasSize(); | |
| 165 for (size_t i = 0; i < printed_pages->size(); ++i) { | |
| 166 page_params.page_number = (*printed_pages)[i]; | |
| 167 PrintPageInternal(page_params, canvas_size, frame, metafile); | |
| 168 } | |
| 169 | |
| 170 return true; | |
| 171 } | |
| 172 | |
| 173 void PrintWebViewHelper::PrintPageInternal( | 147 void PrintWebViewHelper::PrintPageInternal( |
| 174 const PrintMsg_PrintPage_Params& params, | 148 const PrintMsg_PrintPage_Params& params, |
| 175 const gfx::Size& canvas_size, | 149 const gfx::Size& canvas_size, |
| 176 WebFrame* frame, | 150 WebFrame* frame, |
| 177 Metafile* metafile) { | 151 Metafile* metafile) { |
| 178 PageSizeMargins page_layout_in_points; | 152 PageSizeMargins page_layout_in_points; |
| 179 double scale_factor = 1.0f; | 153 double scale_factor = 1.0f; |
| 180 ComputePageLayoutInPointsForCss(frame, params.page_number, params.params, | 154 ComputePageLayoutInPointsForCss(frame, params.page_number, params.params, |
| 181 ignore_css_margins_, &scale_factor, | 155 ignore_css_margins_, &scale_factor, |
| 182 &page_layout_in_points); | 156 &page_layout_in_points); |
| (...skipping 27 matching lines...) Expand all Loading... |
| 210 } | 184 } |
| 211 RenderPageContent(frame, params.page_number, canvas_area, content_area, | 185 RenderPageContent(frame, params.page_number, canvas_area, content_area, |
| 212 scale_factor, canvas.get()); | 186 scale_factor, canvas.get()); |
| 213 | 187 |
| 214 // Done printing. Close the device context to retrieve the compiled metafile. | 188 // Done printing. Close the device context to retrieve the compiled metafile. |
| 215 if (!metafile->FinishPage()) | 189 if (!metafile->FinishPage()) |
| 216 NOTREACHED() << "metafile failed"; | 190 NOTREACHED() << "metafile failed"; |
| 217 } | 191 } |
| 218 | 192 |
| 219 } // namespace printing | 193 } // namespace printing |
| OLD | NEW |