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Issue 11299058: Merge 165517 - Code cleanup. No functional changes. (Closed) Base URL: svn://svn.chromium.org/chrome/branches/1312/src/
Patch Set: Created 8 years, 1 month ago
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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/print_web_view_helper.h" 5 #include "chrome/renderer/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 "base/metrics/histogram.h" 9 #include "base/metrics/histogram.h"
10 #include "base/process_util.h" 10 #include "base/process_util.h"
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83 page_params.content_area = content_area_in_dpi; 83 page_params.content_area = content_area_in_dpi;
84 84
85 if (!CopyMetafileDataToSharedMem(metafile.get(), 85 if (!CopyMetafileDataToSharedMem(metafile.get(),
86 &(page_params.metafile_data_handle))) { 86 &(page_params.metafile_data_handle))) {
87 page_params.data_size = 0; 87 page_params.data_size = 0;
88 } 88 }
89 89
90 Send(new PrintHostMsg_DidPrintPage(routing_id(), page_params)); 90 Send(new PrintHostMsg_DidPrintPage(routing_id(), page_params));
91 } 91 }
92 92
93 bool PrintWebViewHelper::RenderPreviewPage(int page_number) { 93 bool PrintWebViewHelper::RenderPreviewPage(
94 PrintMsg_Print_Params print_params = print_preview_context_.print_params(); 94 int page_number,
95 const PrintMsg_Print_Params& print_params) {
95 // Calculate the dpi adjustment. 96 // Calculate the dpi adjustment.
96 double actual_shrink = static_cast<float>(print_params.desired_dpi / 97 double actual_shrink = static_cast<float>(print_params.desired_dpi /
97 print_params.dpi); 98 print_params.dpi);
98 scoped_ptr<Metafile> draft_metafile; 99 scoped_ptr<Metafile> draft_metafile;
99 printing::Metafile* initial_render_metafile = 100 printing::Metafile* initial_render_metafile =
100 print_preview_context_.metafile(); 101 print_preview_context_.metafile();
101 102
102 if (print_preview_context_.IsModifiable() && is_print_ready_metafile_sent_) { 103 if (print_preview_context_.IsModifiable() && is_print_ready_metafile_sent_) {
103 draft_metafile.reset(new printing::PreviewMetafile); 104 draft_metafile.reset(new printing::PreviewMetafile);
104 initial_render_metafile = draft_metafile.get(); 105 initial_render_metafile = draft_metafile.get();
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181 skia::SetIsPreviewMetafile(*canvas, is_preview); 182 skia::SetIsPreviewMetafile(*canvas, is_preview);
182 } 183 }
183 184
184 float webkit_scale_factor = frame->printPage(page_number, canvas.get()); 185 float webkit_scale_factor = frame->printPage(page_number, canvas.get());
185 186
186 if (params.display_header_footer) { 187 if (params.display_header_footer) {
187 // |page_number| is 0-based, so 1 is added. 188 // |page_number| is 0-based, so 1 is added.
188 PrintHeaderAndFooter(canvas.get(), page_number + 1, 189 PrintHeaderAndFooter(canvas.get(), page_number + 1,
189 print_preview_context_.total_page_count(), 190 print_preview_context_.total_page_count(),
190 css_scale_factor * webkit_page_shrink_factor, 191 css_scale_factor * webkit_page_shrink_factor,
191 page_layout_in_points, 192 page_layout_in_points, *header_footer_info_, params);
192 *header_footer_info_);
193 } 193 }
194 194
195 if (*actual_shrink <= 0 || webkit_scale_factor <= 0) { 195 if (*actual_shrink <= 0 || webkit_scale_factor <= 0) {
196 NOTREACHED() << "Printing page " << page_number << " failed."; 196 NOTREACHED() << "Printing page " << page_number << " failed.";
197 } else { 197 } else {
198 // While rendering certain plugins (PDF) to metafile, we might need to 198 // While rendering certain plugins (PDF) to metafile, we might need to
199 // set custom scale factor. Update |actual_shrink| with custom scale 199 // set custom scale factor. Update |actual_shrink| with custom scale
200 // if it is set on canvas. 200 // if it is set on canvas.
201 // TODO(gene): We should revisit this solution for the next versions. 201 // TODO(gene): We should revisit this solution for the next versions.
202 // Consider creating metafile of the right size (or resizable) 202 // Consider creating metafile of the right size (or resizable)
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234 shared_buf.Unmap(); 234 shared_buf.Unmap();
235 return false; 235 return false;
236 } 236 }
237 shared_buf.GiveToProcess(base::GetCurrentProcessHandle(), shared_mem_handle); 237 shared_buf.GiveToProcess(base::GetCurrentProcessHandle(), shared_mem_handle);
238 shared_buf.Unmap(); 238 shared_buf.Unmap();
239 239
240 Send(new PrintHostMsg_DuplicateSection(routing_id(), *shared_mem_handle, 240 Send(new PrintHostMsg_DuplicateSection(routing_id(), *shared_mem_handle,
241 shared_mem_handle)); 241 shared_mem_handle));
242 return true; 242 return true;
243 } 243 }
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