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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" |
| 11 #include "printing/metafile.h" | |
| 12 #include "printing/metafile_skia_wrapper.h" | 11 #include "printing/metafile_skia_wrapper.h" |
| 13 #include "printing/page_size_margins.h" | 12 #include "printing/page_size_margins.h" |
| 14 #include "printing/pdf_metafile_skia.h" | 13 #include "printing/pdf_metafile_skia.h" |
| 15 #include "skia/ext/platform_device.h" | 14 #include "skia/ext/platform_device.h" |
| 16 #include "skia/ext/vector_canvas.h" | 15 #include "skia/ext/vector_canvas.h" |
| 17 #include "third_party/WebKit/public/web/WebLocalFrame.h" | 16 #include "third_party/WebKit/public/web/WebLocalFrame.h" |
| 18 | 17 |
| 19 #if !defined(OS_CHROMEOS) && !defined(OS_ANDROID) | 18 #if !defined(OS_CHROMEOS) && !defined(OS_ANDROID) |
| 20 #include "base/process/process_handle.h" | 19 #include "base/process/process_handle.h" |
| 21 #else | 20 #else |
| 22 #include "base/file_descriptor_posix.h" | 21 #include "base/file_descriptor_posix.h" |
| 23 #endif // !defined(OS_CHROMEOS) && !defined(OS_ANDROID) | 22 #endif // !defined(OS_CHROMEOS) && !defined(OS_ANDROID) |
| 24 | 23 |
| 25 namespace printing { | 24 namespace printing { |
| 26 | 25 |
| 27 using blink::WebFrame; | 26 using blink::WebFrame; |
| 28 | 27 |
| 29 bool PrintWebViewHelper::RenderPreviewPage( | 28 bool PrintWebViewHelper::RenderPreviewPage( |
| 30 int page_number, | 29 int page_number, |
| 31 const PrintMsg_Print_Params& print_params) { | 30 const PrintMsg_Print_Params& print_params) { |
| 32 PrintMsg_PrintPage_Params page_params; | 31 PrintMsg_PrintPage_Params page_params; |
| 33 page_params.params = print_params; | 32 page_params.params = print_params; |
| 34 page_params.page_number = page_number; | 33 page_params.page_number = page_number; |
| 35 scoped_ptr<Metafile> draft_metafile; | 34 scoped_ptr<PdfMetafileSkia> draft_metafile; |
| 36 Metafile* initial_render_metafile = print_preview_context_.metafile(); | 35 PdfMetafileSkia* initial_render_metafile = print_preview_context_.metafile(); |
| 37 if (print_preview_context_.IsModifiable() && is_print_ready_metafile_sent_) { | 36 if (print_preview_context_.IsModifiable() && is_print_ready_metafile_sent_) { |
| 38 draft_metafile.reset(new PdfMetafileSkia); | 37 draft_metafile.reset(new PdfMetafileSkia); |
| 39 initial_render_metafile = draft_metafile.get(); | 38 initial_render_metafile = draft_metafile.get(); |
| 40 } | 39 } |
| 41 | 40 |
| 42 base::TimeTicks begin_time = base::TimeTicks::Now(); | 41 base::TimeTicks begin_time = base::TimeTicks::Now(); |
| 43 PrintPageInternal(page_params, | 42 PrintPageInternal(page_params, |
| 44 print_preview_context_.GetPrintCanvasSize(), | 43 print_preview_context_.GetPrintCanvasSize(), |
| 45 print_preview_context_.prepared_frame(), | 44 print_preview_context_.prepared_frame(), |
| 46 initial_render_metafile); | 45 initial_render_metafile); |
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| 145 printed_page_params.metafile_data_handle.fd = -1; | 144 printed_page_params.metafile_data_handle.fd = -1; |
| 146 } | 145 } |
| 147 return true; | 146 return true; |
| 148 #endif // defined(OS_CHROMEOS) | 147 #endif // defined(OS_CHROMEOS) |
| 149 } | 148 } |
| 150 | 149 |
| 151 void PrintWebViewHelper::PrintPageInternal( | 150 void PrintWebViewHelper::PrintPageInternal( |
| 152 const PrintMsg_PrintPage_Params& params, | 151 const PrintMsg_PrintPage_Params& params, |
| 153 const gfx::Size& canvas_size, | 152 const gfx::Size& canvas_size, |
| 154 WebFrame* frame, | 153 WebFrame* frame, |
| 155 Metafile* metafile) { | 154 PdfMetafileSkia* metafile) { |
| 156 PageSizeMargins page_layout_in_points; | 155 PageSizeMargins page_layout_in_points; |
| 157 double scale_factor = 1.0f; | 156 double scale_factor = 1.0f; |
| 158 ComputePageLayoutInPointsForCss(frame, params.page_number, params.params, | 157 ComputePageLayoutInPointsForCss(frame, params.page_number, params.params, |
| 159 ignore_css_margins_, &scale_factor, | 158 ignore_css_margins_, &scale_factor, |
| 160 &page_layout_in_points); | 159 &page_layout_in_points); |
| 161 gfx::Size page_size; | 160 gfx::Size page_size; |
| 162 gfx::Rect content_area; | 161 gfx::Rect content_area; |
| 163 GetPageSizeAndContentAreaFromPageLayout(page_layout_in_points, &page_size, | 162 GetPageSizeAndContentAreaFromPageLayout(page_layout_in_points, &page_size, |
| 164 &content_area); | 163 &content_area); |
| 165 gfx::Rect canvas_area = | 164 gfx::Rect canvas_area = |
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| 191 } | 190 } |
| 192 RenderPageContent(frame, params.page_number, canvas_area, content_area, | 191 RenderPageContent(frame, params.page_number, canvas_area, content_area, |
| 193 scale_factor, canvas.get()); | 192 scale_factor, canvas.get()); |
| 194 | 193 |
| 195 // Done printing. Close the device context to retrieve the compiled metafile. | 194 // Done printing. Close the device context to retrieve the compiled metafile. |
| 196 if (!metafile->FinishPage()) | 195 if (!metafile->FinishPage()) |
| 197 NOTREACHED() << "metafile failed"; | 196 NOTREACHED() << "metafile failed"; |
| 198 } | 197 } |
| 199 | 198 |
| 200 } // namespace printing | 199 } // namespace printing |
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