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| 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/logging.h" | 7 #include "base/logging.h" |
| 8 #include "base/memory/scoped_ptr.h" | 8 #include "base/memory/scoped_ptr.h" |
| 9 #include "chrome/common/print_messages.h" | 9 #include "chrome/common/print_messages.h" |
| 10 #include "content/public/renderer/render_thread.h" | 10 #include "content/public/renderer/render_thread.h" |
| (...skipping 22 matching lines...) Expand all Loading... |
| 33 page_params.page_number = page_number; | 33 page_params.page_number = page_number; |
| 34 scoped_ptr<PdfMetafileSkia> draft_metafile; | 34 scoped_ptr<PdfMetafileSkia> draft_metafile; |
| 35 PdfMetafileSkia* initial_render_metafile = print_preview_context_.metafile(); | 35 PdfMetafileSkia* initial_render_metafile = print_preview_context_.metafile(); |
| 36 if (print_preview_context_.IsModifiable() && is_print_ready_metafile_sent_) { | 36 if (print_preview_context_.IsModifiable() && is_print_ready_metafile_sent_) { |
| 37 draft_metafile.reset(new PdfMetafileSkia); | 37 draft_metafile.reset(new PdfMetafileSkia); |
| 38 initial_render_metafile = draft_metafile.get(); | 38 initial_render_metafile = draft_metafile.get(); |
| 39 } | 39 } |
| 40 | 40 |
| 41 base::TimeTicks begin_time = base::TimeTicks::Now(); | 41 base::TimeTicks begin_time = base::TimeTicks::Now(); |
| 42 PrintPageInternal(page_params, | 42 PrintPageInternal(page_params, |
| 43 print_preview_context_.GetPrintCanvasSize(), | |
| 44 print_preview_context_.prepared_frame(), | 43 print_preview_context_.prepared_frame(), |
| 45 initial_render_metafile); | 44 initial_render_metafile); |
| 46 print_preview_context_.RenderedPreviewPage( | 45 print_preview_context_.RenderedPreviewPage( |
| 47 base::TimeTicks::Now() - begin_time); | 46 base::TimeTicks::Now() - begin_time); |
| 48 if (draft_metafile.get()) { | 47 if (draft_metafile.get()) { |
| 49 draft_metafile->FinishDocument(); | 48 draft_metafile->FinishDocument(); |
| 50 } else if (print_preview_context_.IsModifiable() && | 49 } else if (print_preview_context_.IsModifiable() && |
| 51 print_preview_context_.generate_draft_pages()) { | 50 print_preview_context_.generate_draft_pages()) { |
| 52 DCHECK(!draft_metafile.get()); | 51 DCHECK(!draft_metafile.get()); |
| 53 draft_metafile = | 52 draft_metafile = |
| 54 print_preview_context_.metafile()->GetMetafileForCurrentPage(); | 53 print_preview_context_.metafile()->GetMetafileForCurrentPage(); |
| 55 } | 54 } |
| 56 return PreviewPageRendered(page_number, draft_metafile.get()); | 55 return PreviewPageRendered(page_number, draft_metafile.get()); |
| 57 } | 56 } |
| 58 | 57 |
| 59 bool PrintWebViewHelper::PrintPagesNative(blink::WebFrame* frame, | 58 bool PrintWebViewHelper::PrintPagesNative(blink::WebFrame* frame, |
| 60 int page_count, | 59 int page_count) { |
| 61 const gfx::Size& canvas_size) { | |
| 62 PdfMetafileSkia metafile; | 60 PdfMetafileSkia metafile; |
| 63 if (!metafile.Init()) | 61 if (!metafile.Init()) |
| 64 return false; | 62 return false; |
| 65 | 63 |
| 66 const PrintMsg_PrintPages_Params& params = *print_pages_params_; | 64 const PrintMsg_PrintPages_Params& params = *print_pages_params_; |
| 67 std::vector<int> printed_pages; | 65 std::vector<int> printed_pages; |
| 68 | 66 |
| 69 if (params.pages.empty()) { | 67 if (params.pages.empty()) { |
| 70 for (int i = 0; i < page_count; ++i) { | 68 for (int i = 0; i < page_count; ++i) { |
| 71 printed_pages.push_back(i); | 69 printed_pages.push_back(i); |
| 72 } | 70 } |
| 73 } else { | 71 } else { |
| 74 // TODO(vitalybuka): redesign to make more code cross platform. | 72 // TODO(vitalybuka): redesign to make more code cross platform. |
| 75 for (size_t i = 0; i < params.pages.size(); ++i) { | 73 for (size_t i = 0; i < params.pages.size(); ++i) { |
| 76 if (params.pages[i] >= 0 && params.pages[i] < page_count) { | 74 if (params.pages[i] >= 0 && params.pages[i] < page_count) { |
| 77 printed_pages.push_back(params.pages[i]); | 75 printed_pages.push_back(params.pages[i]); |
| 78 } | 76 } |
| 79 } | 77 } |
| 80 } | 78 } |
| 81 | 79 |
| 82 if (printed_pages.empty()) | 80 if (printed_pages.empty()) |
| 83 return false; | 81 return false; |
| 84 | 82 |
| 85 PrintMsg_PrintPage_Params page_params; | 83 PrintMsg_PrintPage_Params page_params; |
| 86 page_params.params = params.params; | 84 page_params.params = params.params; |
| 87 for (size_t i = 0; i < printed_pages.size(); ++i) { | 85 for (size_t i = 0; i < printed_pages.size(); ++i) { |
| 88 page_params.page_number = printed_pages[i]; | 86 page_params.page_number = printed_pages[i]; |
| 89 PrintPageInternal(page_params, canvas_size, frame, &metafile); | 87 PrintPageInternal(page_params, frame, &metafile); |
| 90 } | 88 } |
| 91 | 89 |
| 92 // blink::printEnd() for PDF should be called before metafile is closed. | 90 // blink::printEnd() for PDF should be called before metafile is closed. |
| 93 FinishFramePrinting(); | 91 FinishFramePrinting(); |
| 94 | 92 |
| 95 metafile.FinishDocument(); | 93 metafile.FinishDocument(); |
| 96 | 94 |
| 97 // Get the size of the resulting metafile. | 95 // Get the size of the resulting metafile. |
| 98 uint32 buf_size = metafile.GetDataSize(); | 96 uint32 buf_size = metafile.GetDataSize(); |
| 99 DCHECK_GT(buf_size, 0u); | 97 DCHECK_GT(buf_size, 0u); |
| (...skipping 42 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 142 Send(new PrintHostMsg_DidPrintPage(routing_id(), printed_page_params)); | 140 Send(new PrintHostMsg_DidPrintPage(routing_id(), printed_page_params)); |
| 143 // Send the rest of the pages with an invalid metafile handle. | 141 // Send the rest of the pages with an invalid metafile handle. |
| 144 printed_page_params.metafile_data_handle.fd = -1; | 142 printed_page_params.metafile_data_handle.fd = -1; |
| 145 } | 143 } |
| 146 return true; | 144 return true; |
| 147 #endif // defined(OS_CHROMEOS) | 145 #endif // defined(OS_CHROMEOS) |
| 148 } | 146 } |
| 149 | 147 |
| 150 void PrintWebViewHelper::PrintPageInternal( | 148 void PrintWebViewHelper::PrintPageInternal( |
| 151 const PrintMsg_PrintPage_Params& params, | 149 const PrintMsg_PrintPage_Params& params, |
| 152 const gfx::Size& canvas_size, | |
| 153 WebFrame* frame, | 150 WebFrame* frame, |
| 154 PdfMetafileSkia* metafile) { | 151 PdfMetafileSkia* metafile) { |
| 155 PageSizeMargins page_layout_in_points; | 152 PageSizeMargins page_layout_in_points; |
| 156 double scale_factor = 1.0f; | 153 double scale_factor = 1.0f; |
| 157 ComputePageLayoutInPointsForCss(frame, params.page_number, params.params, | 154 ComputePageLayoutInPointsForCss(frame, params.page_number, params.params, |
| 158 ignore_css_margins_, &scale_factor, | 155 ignore_css_margins_, &scale_factor, |
| 159 &page_layout_in_points); | 156 &page_layout_in_points); |
| 160 gfx::Size page_size; | 157 gfx::Size page_size; |
| 161 gfx::Rect content_area; | 158 gfx::Rect content_area; |
| 162 GetPageSizeAndContentAreaFromPageLayout(page_layout_in_points, &page_size, | 159 GetPageSizeAndContentAreaFromPageLayout(page_layout_in_points, &page_size, |
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| 190 } | 187 } |
| 191 RenderPageContent(frame, params.page_number, canvas_area, content_area, | 188 RenderPageContent(frame, params.page_number, canvas_area, content_area, |
| 192 scale_factor, canvas.get()); | 189 scale_factor, canvas.get()); |
| 193 | 190 |
| 194 // Done printing. Close the device context to retrieve the compiled metafile. | 191 // Done printing. Close the device context to retrieve the compiled metafile. |
| 195 if (!metafile->FinishPage()) | 192 if (!metafile->FinishPage()) |
| 196 NOTREACHED() << "metafile failed"; | 193 NOTREACHED() << "metafile failed"; |
| 197 } | 194 } |
| 198 | 195 |
| 199 } // namespace printing | 196 } // namespace printing |
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