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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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27 | 27 |
28 void PrintWebViewHelper::RenderPreviewPage(int page_number) { | 28 void PrintWebViewHelper::RenderPreviewPage(int page_number) { |
29 PrintMsg_PrintPage_Params page_params; | 29 PrintMsg_PrintPage_Params page_params; |
30 page_params.params = print_preview_context_.print_params(); | 30 page_params.params = print_preview_context_.print_params(); |
31 page_params.page_number = page_number; | 31 page_params.page_number = page_number; |
32 | 32 |
33 base::TimeTicks begin_time = base::TimeTicks::Now(); | 33 base::TimeTicks begin_time = base::TimeTicks::Now(); |
34 PrintPageInternal(page_params, | 34 PrintPageInternal(page_params, |
35 print_preview_context_.GetPrintCanvasSize(), | 35 print_preview_context_.GetPrintCanvasSize(), |
36 print_preview_context_.frame(), | 36 print_preview_context_.frame(), |
37 print_preview_context_.metafile()); | 37 print_preview_context_.metafile(), |
| 38 true); |
38 print_preview_context_.RenderedPreviewPage( | 39 print_preview_context_.RenderedPreviewPage( |
39 base::TimeTicks::Now() - begin_time); | 40 base::TimeTicks::Now() - begin_time); |
40 PreviewPageRendered(page_number); | 41 PreviewPageRendered(page_number); |
41 } | 42 } |
42 | 43 |
43 bool PrintWebViewHelper::PrintPages(const PrintMsg_PrintPages_Params& params, | 44 bool PrintWebViewHelper::PrintPages(const PrintMsg_PrintPages_Params& params, |
44 WebFrame* frame, | 45 WebFrame* frame, |
45 WebNode* node) { | 46 WebNode* node) { |
46 printing::NativeMetafile metafile; | 47 printing::NativeMetafile metafile; |
47 if (!metafile.Init()) | 48 if (!metafile.Init()) |
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141 | 142 |
142 base::TimeTicks begin_time = base::TimeTicks::Now(); | 143 base::TimeTicks begin_time = base::TimeTicks::Now(); |
143 base::TimeTicks page_begin_time = begin_time; | 144 base::TimeTicks page_begin_time = begin_time; |
144 | 145 |
145 PrintMsg_PrintPage_Params page_params; | 146 PrintMsg_PrintPage_Params page_params; |
146 page_params.params = printParams; | 147 page_params.params = printParams; |
147 const gfx::Size& canvas_size = prep_frame_view.GetPrintCanvasSize(); | 148 const gfx::Size& canvas_size = prep_frame_view.GetPrintCanvasSize(); |
148 if (params.pages.empty()) { | 149 if (params.pages.empty()) { |
149 for (int i = 0; i < *page_count; ++i) { | 150 for (int i = 0; i < *page_count; ++i) { |
150 page_params.page_number = i; | 151 page_params.page_number = i; |
151 PrintPageInternal(page_params, canvas_size, frame, metafile); | 152 PrintPageInternal(page_params, canvas_size, frame, metafile, false); |
152 } | 153 } |
153 } else { | 154 } else { |
154 for (size_t i = 0; i < params.pages.size(); ++i) { | 155 for (size_t i = 0; i < params.pages.size(); ++i) { |
155 page_params.page_number = params.pages[i]; | 156 page_params.page_number = params.pages[i]; |
156 PrintPageInternal(page_params, canvas_size, frame, metafile); | 157 PrintPageInternal(page_params, canvas_size, frame, metafile, false); |
157 } | 158 } |
158 } | 159 } |
159 | 160 |
160 base::TimeDelta render_time = base::TimeTicks::Now() - begin_time; | 161 base::TimeDelta render_time = base::TimeTicks::Now() - begin_time; |
161 | 162 |
162 prep_frame_view.FinishPrinting(); | 163 prep_frame_view.FinishPrinting(); |
163 metafile->FinishDocument(); | 164 metafile->FinishDocument(); |
164 return true; | 165 return true; |
165 } | 166 } |
166 | 167 |
167 void PrintWebViewHelper::PrintPageInternal( | 168 void PrintWebViewHelper::PrintPageInternal( |
168 const PrintMsg_PrintPage_Params& params, | 169 const PrintMsg_PrintPage_Params& params, |
169 const gfx::Size& canvas_size, | 170 const gfx::Size& canvas_size, |
170 WebFrame* frame, | 171 WebFrame* frame, |
171 printing::Metafile* metafile) { | 172 printing::Metafile* metafile, |
172 double content_width_in_points; | 173 bool is_preview) { |
173 double content_height_in_points; | 174 PageSizeMargins page_size_margins_in_points = |
174 double margin_top_in_points; | 175 GetPageSizeAndMarginsInPoints(frame, params.page_number, params.params); |
175 double margin_right_in_points; | |
176 double margin_bottom_in_points; | |
177 double margin_left_in_points; | |
178 GetPageSizeAndMarginsInPoints(frame, | |
179 params.page_number, | |
180 params.params, | |
181 &content_width_in_points, | |
182 &content_height_in_points, | |
183 &margin_top_in_points, | |
184 &margin_right_in_points, | |
185 &margin_bottom_in_points, | |
186 &margin_left_in_points); | |
187 | 176 |
188 gfx::Size page_size( | 177 gfx::Size page_size( |
189 content_width_in_points + margin_right_in_points + | 178 page_size_margins_in_points.content_width + |
190 margin_left_in_points, | 179 page_size_margins_in_points.margin_right + |
191 content_height_in_points + margin_top_in_points + | 180 page_size_margins_in_points.margin_left, |
192 margin_bottom_in_points); | 181 page_size_margins_in_points.content_height + |
193 gfx::Rect content_area(margin_left_in_points, margin_top_in_points, | 182 page_size_margins_in_points.margin_top + |
194 content_width_in_points, content_height_in_points); | 183 page_size_margins_in_points.margin_bottom); |
| 184 |
| 185 gfx::Rect content_area(page_size_margins_in_points.margin_left, |
| 186 page_size_margins_in_points.margin_top, |
| 187 page_size_margins_in_points.content_width, |
| 188 page_size_margins_in_points.content_height); |
195 | 189 |
196 SkDevice* device = metafile->StartPageForVectorCanvas( | 190 SkDevice* device = metafile->StartPageForVectorCanvas( |
197 page_size, content_area, 1.0f); | 191 page_size, content_area, 1.0f); |
198 if (!device) | 192 if (!device) |
199 return; | 193 return; |
200 | 194 |
201 // The printPage method take a reference to the canvas we pass down, so it | 195 // The printPage method take a reference to the canvas we pass down, so it |
202 // can't be a stack object. | 196 // can't be a stack object. |
203 SkRefPtr<skia::VectorCanvas> canvas = new skia::VectorCanvas(device); | 197 SkRefPtr<skia::VectorCanvas> canvas = new skia::VectorCanvas(device); |
204 canvas->unref(); // SkRefPtr and new both took a reference. | 198 canvas->unref(); // SkRefPtr and new both took a reference. |
205 printing::MetafileSkiaWrapper::SetMetafileOnCanvas(canvas.get(), metafile); | 199 printing::MetafileSkiaWrapper::SetMetafileOnCanvas(canvas.get(), metafile); |
| 200 |
206 frame->printPage(params.page_number, canvas.get()); | 201 frame->printPage(params.page_number, canvas.get()); |
207 | 202 |
208 // TODO(myhuang): We should render the header and the footer. | 203 if (is_preview && params.params.display_header_footer) { |
| 204 // The page_number count starts from 0, so we add 1. |
| 205 // The scale factor on Linux is 1. |
| 206 PrintHeaderAndFooter(static_cast<skia::VectorPlatformDeviceSkia*>(device), |
| 207 canvas, params.page_number + 1, |
| 208 print_preview_context_.total_page_count(), 1, |
| 209 page_size_margins_in_points, header_footer_info_); |
| 210 } |
209 | 211 |
210 // Done printing. Close the device context to retrieve the compiled metafile. | 212 // Done printing. Close the device context to retrieve the compiled metafile. |
211 if (!metafile->FinishPage()) | 213 if (!metafile->FinishPage()) |
212 NOTREACHED() << "metafile failed"; | 214 NOTREACHED() << "metafile failed"; |
213 } | 215 } |
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