OLD | NEW |
---|---|
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 #if defined(USE_SKIA) | |
8 #include <algorithm> | |
9 #include <cmath> | |
10 #endif | |
7 #include <string> | 11 #include <string> |
8 | 12 |
9 #include "base/command_line.h" | 13 #include "base/command_line.h" |
10 #include "base/logging.h" | 14 #include "base/logging.h" |
11 #include "base/metrics/histogram.h" | 15 #include "base/metrics/histogram.h" |
12 #include "base/process_util.h" | 16 #include "base/process_util.h" |
13 #include "base/utf_string_conversions.h" | 17 #include "base/utf_string_conversions.h" |
14 #include "chrome/common/chrome_switches.h" | 18 #include "chrome/common/chrome_switches.h" |
15 #include "chrome/common/print_messages.h" | 19 #include "chrome/common/print_messages.h" |
16 #include "chrome/common/render_messages.h" | 20 #include "chrome/common/render_messages.h" |
(...skipping 12 matching lines...) Expand all Loading... | |
29 #include "third_party/WebKit/Source/WebKit/chromium/public/WebSize.h" | 33 #include "third_party/WebKit/Source/WebKit/chromium/public/WebSize.h" |
30 #include "third_party/WebKit/Source/WebKit/chromium/public/WebURLRequest.h" | 34 #include "third_party/WebKit/Source/WebKit/chromium/public/WebURLRequest.h" |
31 #include "third_party/WebKit/Source/WebKit/chromium/public/WebURLResponse.h" | 35 #include "third_party/WebKit/Source/WebKit/chromium/public/WebURLResponse.h" |
32 #include "third_party/WebKit/Source/WebKit/chromium/public/WebView.h" | 36 #include "third_party/WebKit/Source/WebKit/chromium/public/WebView.h" |
33 #include "ui/base/l10n/l10n_util.h" | 37 #include "ui/base/l10n/l10n_util.h" |
34 | 38 |
35 #if defined(OS_POSIX) | 39 #if defined(OS_POSIX) |
36 #include "content/common/view_messages.h" | 40 #include "content/common/view_messages.h" |
37 #endif | 41 #endif |
38 | 42 |
43 #if defined(USE_SKIA) | |
44 #include "base/string_number_conversions.h" | |
45 #include "skia/ext/vector_canvas.h" | |
46 #include "skia/ext/vector_platform_device_skia.h" | |
47 #include "third_party/skia/include/core/SkTypeface.h" | |
48 #endif // USE_SKIA | |
49 | |
50 using base::Time; | |
39 using printing::ConvertPixelsToPoint; | 51 using printing::ConvertPixelsToPoint; |
40 using printing::ConvertPixelsToPointDouble; | 52 using printing::ConvertPixelsToPointDouble; |
41 using printing::ConvertUnit; | 53 using printing::ConvertUnit; |
42 using printing::ConvertUnitDouble; | 54 using printing::ConvertUnitDouble; |
55 using printing::GetSegmentWidth; | |
43 using WebKit::WebConsoleMessage; | 56 using WebKit::WebConsoleMessage; |
44 using WebKit::WebDocument; | 57 using WebKit::WebDocument; |
45 using WebKit::WebElement; | 58 using WebKit::WebElement; |
46 using WebKit::WebFrame; | 59 using WebKit::WebFrame; |
47 using WebKit::WebNode; | 60 using WebKit::WebNode; |
48 using WebKit::WebSize; | 61 using WebKit::WebSize; |
49 using WebKit::WebString; | 62 using WebKit::WebString; |
50 using WebKit::WebURLRequest; | 63 using WebKit::WebURLRequest; |
51 using WebKit::WebView; | 64 using WebKit::WebView; |
52 | 65 |
(...skipping 27 matching lines...) Expand all Loading... | |
80 oldParams.params.min_shrink == newParams.params.min_shrink && | 93 oldParams.params.min_shrink == newParams.params.min_shrink && |
81 oldParams.params.dpi == newParams.params.dpi && | 94 oldParams.params.dpi == newParams.params.dpi && |
82 oldParams.params.printable_size == newParams.params.printable_size && | 95 oldParams.params.printable_size == newParams.params.printable_size && |
83 oldParams.params.selection_only == newParams.params.selection_only && | 96 oldParams.params.selection_only == newParams.params.selection_only && |
84 oldParams.params.page_size == newParams.params.page_size && | 97 oldParams.params.page_size == newParams.params.page_size && |
85 oldParams.params.margin_top == newParams.params.margin_top && | 98 oldParams.params.margin_top == newParams.params.margin_top && |
86 oldParams.params.margin_left == newParams.params.margin_left && | 99 oldParams.params.margin_left == newParams.params.margin_left && |
87 oldParams.params.supports_alpha_blend == | 100 oldParams.params.supports_alpha_blend == |
88 newParams.params.supports_alpha_blend && | 101 newParams.params.supports_alpha_blend && |
89 oldParams.pages.size() == newParams.pages.size() && | 102 oldParams.pages.size() == newParams.pages.size() && |
103 oldParams.params.display_header_footer == | |
104 newParams.params.display_header_footer && | |
kmadhusu
2011/08/12 17:07:00
Also check for individual values.
Aayush Kumar
2011/08/12 18:53:42
Is there a likely scenario when this would change
kmadhusu
2011/08/12 20:27:11
User can change the system date & time in between
| |
90 std::equal(oldParams.pages.begin(), oldParams.pages.end(), | 105 std::equal(oldParams.pages.begin(), oldParams.pages.end(), |
91 newParams.pages.begin()); | 106 newParams.pages.begin()); |
92 } | 107 } |
93 | 108 |
94 void CalculatePrintCanvasSize(const PrintMsg_Print_Params& print_params, | 109 void CalculatePrintCanvasSize(const PrintMsg_Print_Params& print_params, |
95 gfx::Size* result) { | 110 gfx::Size* result) { |
96 int dpi = GetDPI(&print_params); | 111 int dpi = GetDPI(&print_params); |
97 result->set_width(ConvertUnit(print_params.printable_size.width(), dpi, | 112 result->set_width(ConvertUnit(print_params.printable_size.width(), dpi, |
98 print_params.desired_dpi)); | 113 print_params.desired_dpi)); |
99 | 114 |
100 result->set_height(ConvertUnit(print_params.printable_size.height(), dpi, | 115 result->set_height(ConvertUnit(print_params.printable_size.height(), dpi, |
101 print_params.desired_dpi)); | 116 print_params.desired_dpi)); |
102 } | 117 } |
103 | 118 |
119 #if defined(USE_SKIA) | |
120 // Given a text, the positions, and the paint object, this method gets the | |
121 // coordinates and prints the text at those coordinates on the canvas. | |
122 void PrintHeaderFooterText( | |
123 string16 text, | |
124 skia::VectorCanvas* canvas, | |
125 SkPaint paint, | |
126 float webkit_scale_factor, | |
127 const PageSizeMargins& page_layout, | |
128 printing::HorizontalHeaderFooterPosition horizontal_position, | |
129 printing::VerticalHeaderFooterPosition vertical_position, | |
130 SkScalar offset_to_baseline) { | |
131 size_t text_byte_length = text.length() * sizeof(char16); | |
132 // Get the (x, y) coordinate from where printing of the current text should | |
133 // start depending on the horizontal alignment (LEFT, RIGHT, CENTER) and | |
134 // vertical alignment (TOP, BOTTOM). | |
135 SkScalar text_width_in_points = paint.measureText(text.c_str(), | |
136 text_byte_length); | |
137 SkScalar x = 0; | |
138 switch (horizontal_position) { | |
139 case printing::LEFT: | |
140 x = printing::kSettingHeaderFooterInterstice - page_layout.margin_left; | |
141 break; | |
142 case printing::RIGHT: | |
143 x = page_layout.content_width + page_layout.margin_right - | |
144 printing::kSettingHeaderFooterInterstice - text_width_in_points; | |
145 break; | |
146 case printing::CENTER: { | |
147 SkScalar available_width = GetSegmentWidth( | |
148 page_layout.margin_left + page_layout.margin_right + | |
149 page_layout.content_width); | |
150 x = available_width - page_layout.margin_left + | |
151 (available_width - text_width_in_points) / 2; | |
152 break; | |
153 } | |
154 default: | |
155 NOTREACHED(); | |
156 } | |
157 | |
158 SkScalar y = 0; | |
159 switch (vertical_position) { | |
160 case printing::TOP: | |
161 y = printing::kSettingHeaderFooterInterstice - | |
162 page_layout.margin_top - offset_to_baseline; | |
163 break; | |
164 case printing::BOTTOM: | |
165 y = page_layout.margin_bottom + page_layout.content_height - | |
166 printing::kSettingHeaderFooterInterstice - offset_to_baseline; | |
167 break; | |
168 default: | |
169 NOTREACHED(); | |
170 } | |
171 | |
172 x = x / webkit_scale_factor; | |
173 y = y / webkit_scale_factor; | |
174 paint.setTextSize(paint.getTextSize() / webkit_scale_factor); | |
175 canvas->drawText(text.c_str(), text_byte_length, x, y, paint); | |
176 } | |
177 #endif // USE_SKIA | |
178 | |
104 } // namespace | 179 } // namespace |
105 | 180 |
181 #if defined(USE_SKIA) | |
182 // static - Not anonymous so that platform implementations can use it. | |
183 void PrintWebViewHelper::PrintHeaderAndFooter( | |
184 SkDevice* device, | |
185 skia::VectorCanvas* canvas, | |
186 int page_number, | |
187 int total_pages, | |
188 float webkit_scale_factor, | |
189 const PageSizeMargins& page_layout, | |
190 const DictionaryValue& header_footer_info) { | |
191 static_cast<skia::VectorPlatformDeviceSkia*>(device)->setDrawingArea( | |
192 SkPDFDevice::kMargin_DrawingArea); | |
193 | |
194 SkPaint paint; | |
195 paint.setColor(SK_ColorBLACK); | |
196 paint.setTextEncoding(SkPaint::kUTF16_TextEncoding); | |
197 paint.setTextSize(printing::kSettingHeaderFooterFontSize); | |
198 paint.setTypeface(SkTypeface::CreateFromName( | |
199 printing::kSettingHeaderFooterFontName, SkTypeface::kNormal)); | |
200 | |
201 // Print the headers onto the |canvas| if there is enough space to print | |
202 // them. | |
203 string16 date; | |
204 string16 title; | |
205 if (!header_footer_info.GetString(printing::kSettingHeaderFooterTitle, | |
206 &title) || | |
207 !header_footer_info.GetString(printing::kSettingHeaderFooterDate, | |
208 &date)) { | |
209 NOTREACHED(); | |
210 } | |
211 string16 header_text = date + title; | |
212 | |
213 SkRect header_bounds; | |
214 paint.measureText(header_text.c_str(), header_text.length() * sizeof(char16), | |
215 &header_bounds, 0); | |
216 SkScalar text_height = | |
217 printing::kSettingHeaderFooterInterstice + header_bounds.height(); | |
218 if (text_height <= page_layout.margin_top) { | |
219 PrintHeaderFooterText(date, canvas, paint, webkit_scale_factor, page_layout, | |
220 printing::LEFT, printing::TOP, header_bounds.top()); | |
221 PrintHeaderFooterText(title, canvas, paint, webkit_scale_factor, | |
222 page_layout, printing::CENTER, printing::TOP, | |
223 header_bounds.top()); | |
224 } | |
225 | |
226 // Prints the footers onto the |canvas| if there is enough space to print | |
227 // them. | |
228 string16 page_of_total_pages = base::IntToString16(page_number) + | |
229 UTF8ToUTF16("/") + | |
230 base::IntToString16(total_pages); | |
231 string16 url; | |
232 if (!header_footer_info.GetString(printing::kSettingHeaderFooterURL, | |
233 &url)) { | |
234 NOTREACHED(); | |
235 } | |
236 string16 footer_text = page_of_total_pages + url; | |
237 | |
238 SkRect footer_bounds; | |
239 paint.measureText(footer_text.c_str(), footer_text.length() * sizeof(char16), | |
240 &footer_bounds, 0); | |
241 text_height = | |
242 printing::kSettingHeaderFooterInterstice + footer_bounds.height(); | |
243 if (text_height <= page_layout.margin_bottom) { | |
244 PrintHeaderFooterText(page_of_total_pages, canvas, paint, | |
245 webkit_scale_factor, page_layout, printing::RIGHT, | |
246 printing::BOTTOM, footer_bounds.bottom()); | |
247 PrintHeaderFooterText(url, canvas, paint, webkit_scale_factor, page_layout, | |
248 printing::LEFT, printing::BOTTOM, | |
249 footer_bounds.bottom()); | |
250 } | |
251 | |
252 static_cast<skia::VectorPlatformDeviceSkia*>(device)->setDrawingArea( | |
253 SkPDFDevice::kContent_DrawingArea); | |
254 } | |
255 #endif // USE_SKIA | |
256 | |
106 PrepareFrameAndViewForPrint::PrepareFrameAndViewForPrint( | 257 PrepareFrameAndViewForPrint::PrepareFrameAndViewForPrint( |
107 const PrintMsg_Print_Params& print_params, | 258 const PrintMsg_Print_Params& print_params, |
108 WebFrame* frame, | 259 WebFrame* frame, |
109 WebNode* node) | 260 WebNode* node) |
110 : frame_(frame), | 261 : frame_(frame), |
111 web_view_(frame->view()), | 262 web_view_(frame->view()), |
112 dpi_(static_cast<int>(print_params.dpi)), | 263 dpi_(static_cast<int>(print_params.dpi)), |
113 expected_pages_count_(0), | 264 expected_pages_count_(0), |
114 use_browser_overlays_(true), | 265 use_browser_overlays_(true), |
115 finished_(false) { | 266 finished_(false) { |
(...skipping 642 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... | |
758 return false; | 909 return false; |
759 } | 910 } |
760 return true; | 911 return true; |
761 } | 912 } |
762 | 913 |
763 bool PrintWebViewHelper::UpdatePrintSettings( | 914 bool PrintWebViewHelper::UpdatePrintSettings( |
764 const DictionaryValue& job_settings) { | 915 const DictionaryValue& job_settings) { |
765 PrintMsg_PrintPages_Params settings; | 916 PrintMsg_PrintPages_Params settings; |
766 | 917 |
767 Send(new PrintHostMsg_UpdatePrintSettings(routing_id(), | 918 Send(new PrintHostMsg_UpdatePrintSettings(routing_id(), |
768 print_pages_params_->params.document_cookie, job_settings, &settings)); | 919 print_pages_params_->params.document_cookie, job_settings, &settings)); |
769 | 920 |
770 if (settings.params.dpi < kMinDpi || !settings.params.document_cookie) | 921 if (settings.params.dpi < kMinDpi || !settings.params.document_cookie) |
771 return false; | 922 return false; |
772 | 923 |
773 if (!UpdatePrintSettingsRequestId(job_settings, &(settings.params))) | 924 if (!UpdatePrintSettingsRequestId(job_settings, &(settings.params))) |
774 return false; | 925 return false; |
775 | 926 |
776 print_pages_params_.reset(new PrintMsg_PrintPages_Params(settings)); | 927 print_pages_params_.reset(new PrintMsg_PrintPages_Params(settings)); |
928 | |
929 // Getting Header and Footer settings. | |
930 bool display_header_footer = false; | |
931 if (!job_settings.GetBoolean(printing::kSettingHeaderFooterEnabled, | |
932 &display_header_footer)) { | |
933 NOTREACHED(); | |
934 } | |
935 print_pages_params_->params.display_header_footer = display_header_footer; | |
936 if (display_header_footer) { | |
937 header_footer_info_.reset(new DictionaryValue()); | |
938 header_footer_info_->SetString(printing::kSettingHeaderFooterDate, | |
939 print_pages_params_->params.date); | |
940 header_footer_info_->SetString(printing::kSettingHeaderFooterURL, | |
941 print_pages_params_->params.url); | |
942 header_footer_info_->SetString(printing::kSettingHeaderFooterTitle, | |
943 print_pages_params_->params.title); | |
944 } | |
945 | |
777 Send(new PrintHostMsg_DidGetDocumentCookie(routing_id(), | 946 Send(new PrintHostMsg_DidGetDocumentCookie(routing_id(), |
778 settings.params.document_cookie)); | 947 settings.params.document_cookie)); |
779 return true; | 948 return true; |
780 } | 949 } |
781 | 950 |
782 bool PrintWebViewHelper::GetPrintSettingsFromUser(WebKit::WebFrame* frame, | 951 bool PrintWebViewHelper::GetPrintSettingsFromUser(WebKit::WebFrame* frame, |
783 int expected_pages_count, | 952 int expected_pages_count, |
784 bool use_browser_overlays) { | 953 bool use_browser_overlays) { |
785 PrintHostMsg_ScriptedPrint_Params params; | 954 PrintHostMsg_ScriptedPrint_Params params; |
786 PrintMsg_PrintPages_Params print_settings; | 955 PrintMsg_PrintPages_Params print_settings; |
(...skipping 336 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... | |
1123 const gfx::Size& | 1292 const gfx::Size& |
1124 PrintWebViewHelper::PrintPreviewContext::GetPrintCanvasSize() const { | 1293 PrintWebViewHelper::PrintPreviewContext::GetPrintCanvasSize() const { |
1125 return prep_frame_view_->GetPrintCanvasSize(); | 1294 return prep_frame_view_->GetPrintCanvasSize(); |
1126 } | 1295 } |
1127 | 1296 |
1128 void PrintWebViewHelper::PrintPreviewContext::ClearContext() { | 1297 void PrintWebViewHelper::PrintPreviewContext::ClearContext() { |
1129 prep_frame_view_.reset(); | 1298 prep_frame_view_.reset(); |
1130 metafile_.reset(); | 1299 metafile_.reset(); |
1131 rendered_pages_.clear(); | 1300 rendered_pages_.clear(); |
1132 } | 1301 } |
OLD | NEW |