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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 <algorithm> | |
8 #include <cmath> | |
7 #include <string> | 9 #include <string> |
8 | 10 |
9 #include "base/command_line.h" | 11 #include "base/command_line.h" |
12 #include "base/i18n/time_formatting.h" | |
10 #include "base/logging.h" | 13 #include "base/logging.h" |
11 #include "base/metrics/histogram.h" | 14 #include "base/metrics/histogram.h" |
12 #include "base/process_util.h" | 15 #include "base/process_util.h" |
16 #include "base/string_number_conversions.h" | |
17 #include "base/time.h" | |
13 #include "base/utf_string_conversions.h" | 18 #include "base/utf_string_conversions.h" |
14 #include "chrome/common/chrome_switches.h" | 19 #include "chrome/common/chrome_switches.h" |
15 #include "chrome/common/print_messages.h" | 20 #include "chrome/common/print_messages.h" |
16 #include "chrome/common/render_messages.h" | 21 #include "chrome/common/render_messages.h" |
17 #include "chrome/common/url_constants.h" | 22 #include "chrome/common/url_constants.h" |
18 #include "chrome/renderer/prerender/prerender_helper.h" | 23 #include "chrome/renderer/prerender/prerender_helper.h" |
19 #include "content/renderer/render_view.h" | 24 #include "content/renderer/render_view.h" |
20 #include "grit/generated_resources.h" | 25 #include "grit/generated_resources.h" |
21 #include "printing/metafile_impl.h" | 26 #include "printing/metafile_impl.h" |
22 #include "printing/print_job_constants.h" | 27 #include "printing/print_job_constants.h" |
23 #include "printing/units.h" | 28 #include "printing/units.h" |
24 #include "third_party/WebKit/Source/WebKit/chromium/public/WebConsoleMessage.h" | 29 #include "third_party/WebKit/Source/WebKit/chromium/public/WebConsoleMessage.h" |
25 #include "third_party/WebKit/Source/WebKit/chromium/public/WebDataSource.h" | 30 #include "third_party/WebKit/Source/WebKit/chromium/public/WebDataSource.h" |
26 #include "third_party/WebKit/Source/WebKit/chromium/public/WebDocument.h" | 31 #include "third_party/WebKit/Source/WebKit/chromium/public/WebDocument.h" |
27 #include "third_party/WebKit/Source/WebKit/chromium/public/WebElement.h" | 32 #include "third_party/WebKit/Source/WebKit/chromium/public/WebElement.h" |
28 #include "third_party/WebKit/Source/WebKit/chromium/public/WebFrame.h" | 33 #include "third_party/WebKit/Source/WebKit/chromium/public/WebFrame.h" |
29 #include "third_party/WebKit/Source/WebKit/chromium/public/WebNode.h" | 34 #include "third_party/WebKit/Source/WebKit/chromium/public/WebNode.h" |
30 #include "third_party/WebKit/Source/WebKit/chromium/public/WebSize.h" | 35 #include "third_party/WebKit/Source/WebKit/chromium/public/WebSize.h" |
31 #include "third_party/WebKit/Source/WebKit/chromium/public/WebURLRequest.h" | 36 #include "third_party/WebKit/Source/WebKit/chromium/public/WebURLRequest.h" |
32 #include "third_party/WebKit/Source/WebKit/chromium/public/WebURLResponse.h" | 37 #include "third_party/WebKit/Source/WebKit/chromium/public/WebURLResponse.h" |
33 #include "third_party/WebKit/Source/WebKit/chromium/public/WebView.h" | 38 #include "third_party/WebKit/Source/WebKit/chromium/public/WebView.h" |
34 #include "ui/base/l10n/l10n_util.h" | 39 #include "ui/base/l10n/l10n_util.h" |
40 #include "ui/base/text/text_elider.h" | |
kmadhusu
2011/07/26 20:27:50
can this header file go inside the #if defined(USE
Aayush Kumar
2011/07/28 17:28:41
This is not skia specific and it will be used by C
| |
35 | 41 |
36 #if defined(OS_POSIX) | 42 #if defined(OS_POSIX) |
37 #include "content/common/view_messages.h" | 43 #include "content/common/view_messages.h" |
38 #endif | 44 #endif |
39 | 45 |
46 #if defined(USE_SKIA) | |
47 #include "skia/ext/vector_canvas.h" | |
48 #include "skia/ext/vector_platform_device_skia.h" | |
49 #include "third_party/skia/include/core/SkTypeface.h" | |
50 #endif | |
51 | |
52 using base::Time; | |
40 using printing::ConvertPixelsToPoint; | 53 using printing::ConvertPixelsToPoint; |
41 using printing::ConvertPixelsToPointDouble; | 54 using printing::ConvertPixelsToPointDouble; |
55 using printing::ConvertPointsToPixelDouble; | |
42 using printing::ConvertUnit; | 56 using printing::ConvertUnit; |
43 using printing::ConvertUnitDouble; | 57 using printing::ConvertUnitDouble; |
44 using WebKit::WebConsoleMessage; | 58 using WebKit::WebConsoleMessage; |
45 using WebKit::WebDocument; | 59 using WebKit::WebDocument; |
46 using WebKit::WebElement; | 60 using WebKit::WebElement; |
47 using WebKit::WebFrame; | 61 using WebKit::WebFrame; |
48 using WebKit::WebNode; | 62 using WebKit::WebNode; |
49 using WebKit::WebSize; | 63 using WebKit::WebSize; |
50 using WebKit::WebString; | 64 using WebKit::WebString; |
51 using WebKit::WebURLRequest; | 65 using WebKit::WebURLRequest; |
(...skipping 29 matching lines...) Expand all Loading... | |
81 oldParams.params.min_shrink == newParams.params.min_shrink && | 95 oldParams.params.min_shrink == newParams.params.min_shrink && |
82 oldParams.params.dpi == newParams.params.dpi && | 96 oldParams.params.dpi == newParams.params.dpi && |
83 oldParams.params.printable_size == newParams.params.printable_size && | 97 oldParams.params.printable_size == newParams.params.printable_size && |
84 oldParams.params.selection_only == newParams.params.selection_only && | 98 oldParams.params.selection_only == newParams.params.selection_only && |
85 oldParams.params.page_size == newParams.params.page_size && | 99 oldParams.params.page_size == newParams.params.page_size && |
86 oldParams.params.margin_top == newParams.params.margin_top && | 100 oldParams.params.margin_top == newParams.params.margin_top && |
87 oldParams.params.margin_left == newParams.params.margin_left && | 101 oldParams.params.margin_left == newParams.params.margin_left && |
88 oldParams.params.supports_alpha_blend == | 102 oldParams.params.supports_alpha_blend == |
89 newParams.params.supports_alpha_blend && | 103 newParams.params.supports_alpha_blend && |
90 oldParams.pages.size() == newParams.pages.size() && | 104 oldParams.pages.size() == newParams.pages.size() && |
105 oldParams.params.display_header_footer == | |
106 newParams.params.display_header_footer && | |
91 std::equal(oldParams.pages.begin(), oldParams.pages.end(), | 107 std::equal(oldParams.pages.begin(), oldParams.pages.end(), |
92 newParams.pages.begin()); | 108 newParams.pages.begin()); |
93 } | 109 } |
94 | 110 |
111 #if defined(USE_SKIA) | |
112 // Splits the horizontal width equally into segments with an interstice | |
113 // between each segment. Returns the width of this segment. | |
114 SkScalar GetSegmentWidth(const PageSizeMargins& page_layout) { | |
115 // Interstice is left at both ends of the page as well as between | |
116 // each region, so 1 is added. | |
117 return (page_layout.margin_left + | |
118 page_layout.content_width + | |
119 page_layout.margin_right - | |
120 (printing::kSettingHeaderFooterHorizontalRegions + 1) * | |
121 printing::kSettingHeaderFooterInterstice) / | |
122 printing::kSettingHeaderFooterHorizontalRegions; | |
123 } | |
124 | |
125 // Given a text, the positions, and the paint object, this method gets the | |
126 // coordinates and prints the text at those coordinates on the canvas. | |
127 void PrintHeaderFooterText( | |
128 string16 text, | |
129 SkPaint paint, | |
130 skia::VectorCanvas& canvas, | |
131 printing::HorizontalHeaderFooterPosition horizontal_position, | |
132 printing::VerticalHeaderFooterPosition vertical_position, | |
133 float webkit_scale_factor, | |
134 const PageSizeMargins& page_layout, | |
135 SkScalar max_text_width, | |
136 gfx::Font font, | |
137 SkScalar height_to_baseline) { | |
138 text = ui::ElideText(text, font, ConvertPointsToPixelDouble(max_text_width), | |
139 false); | |
140 | |
141 SkPoint text_location; | |
142 size_t text_byte_length = text.length() * sizeof(char16); | |
143 // Get the (x, y) coordinate from where printing of the current text should | |
144 // start depending on the horizontal alignment (LEFT, RIGHT, CENTER) and | |
145 // vertical alignment (TOP, BOTTOM). | |
146 SkScalar text_width_in_points = paint.measureText(text.c_str(), | |
147 text_byte_length); | |
148 SkScalar x = 0; | |
149 switch (horizontal_position) { | |
150 case printing::LEFT: { | |
151 x = -page_layout.margin_left + | |
kmadhusu
2011/07/26 20:27:50
Can you rewrite this statement as follows:
x = pr
Aayush Kumar
2011/07/28 17:28:41
Done.
| |
152 printing::kSettingHeaderFooterInterstice; | |
153 break; | |
154 } | |
155 case printing::RIGHT: { | |
156 x = (page_layout.content_width + page_layout.margin_right - | |
kmadhusu
2011/07/26 20:27:50
nit: This statement does not require paranthesis s
Aayush Kumar
2011/07/28 17:28:41
Done.
| |
157 (printing::kSettingHeaderFooterInterstice + text_width_in_points)); | |
158 break; | |
159 } | |
160 case printing::CENTER: { | |
161 SkScalar available_width = GetSegmentWidth(page_layout); | |
162 x = available_width - page_layout.margin_left + | |
163 (available_width - text_width_in_points) / 2; | |
164 break; | |
165 } | |
166 default: { | |
167 NOTREACHED(); | |
168 } | |
169 } | |
170 | |
171 SkScalar y = 0; | |
172 switch (vertical_position) { | |
173 case printing::TOP: { | |
174 y = -page_layout.margin_top - height_to_baseline + | |
175 printing::kSettingHeaderFooterInterstice; | |
kmadhusu
2011/07/26 20:27:50
How about:
y = printing::kSettingHeaderFooterInte
Aayush Kumar
2011/07/28 17:28:41
Done.
| |
176 break; | |
177 } | |
178 case printing::BOTTOM: { | |
179 y = page_layout.margin_bottom + page_layout.content_height - | |
180 printing::kSettingHeaderFooterInterstice - height_to_baseline; | |
181 break; | |
182 } | |
183 default: { | |
184 NOTREACHED(); | |
185 } | |
186 } | |
187 | |
188 text_location.set(x / webkit_scale_factor, y / webkit_scale_factor); | |
189 paint.setTextSize(paint.getTextSize() / webkit_scale_factor); | |
190 canvas.drawText(text.c_str(), text_byte_length, text_location.x(), | |
191 text_location.y(), paint); | |
kmadhusu
2011/07/26 20:27:50
style nit: Fix the indentation
Aayush Kumar
2011/07/28 17:28:41
Done.
| |
192 } | |
193 #endif // USE_SKIA | |
95 } // namespace | 194 } // namespace |
96 | 195 |
196 #if defined(USE_SKIA) | |
197 void PrintHeaderAndFooter(SkDevice* device, | |
198 skia::VectorCanvas& canvas, | |
199 int page_number, | |
200 int total_pages, | |
201 float webkit_scale_factor, | |
202 const PageSizeMargins& page_layout, | |
203 const DictionaryValue* header_footer_info) { | |
kmadhusu
2011/07/26 20:27:50
Can you pass header_footer_info as a "const Dictio
Aayush Kumar
2011/07/28 17:28:41
Done.
| |
204 // Set the drawing area to draw in the margins. | |
205 static_cast<skia::VectorPlatformDeviceSkia*>(device)->setDrawingArea( | |
206 SkPDFDevice::kMargin_DrawingArea); | |
207 | |
208 // Setting up styles for the headers and footers text. | |
209 SkPaint paint; | |
210 paint.setColor(SK_ColorBLACK); | |
211 paint.setTextEncoding(SkPaint::kUTF16_TextEncoding); | |
212 paint.setTextSize(printing::kSettingHeaderFooterFontSize); | |
213 gfx::Font font(UTF8ToUTF16(printing::kSettingHeaderFooterFontName), | |
214 ceil(ConvertPointsToPixelDouble( | |
215 printing::kSettingHeaderFooterFontSize))); | |
216 paint.setTypeface(SkTypeface::CreateFromName( | |
217 UTF16ToUTF8(font.GetFontName()).c_str(), SkTypeface::kNormal)); | |
218 | |
219 // Ensure we have enough space to print above and below the page to print | |
220 // headers. | |
221 string16 date = base::TimeFormatShortDateNumeric(Time::Now()); | |
222 string16 title; | |
223 if (!header_footer_info->GetString(printing::kSettingHeaderFooterTitle, | |
224 &title)) { | |
225 NOTREACHED(); | |
226 } | |
227 | |
228 SkRect header_bounds; | |
229 string16 header_text = date + title; | |
230 paint.measureText(header_text.c_str(), header_text.length() * sizeof(char16), | |
231 &header_bounds, 0); | |
232 | |
233 SkScalar text_height = | |
234 printing::kSettingHeaderFooterInterstice + header_bounds.height(); | |
235 | |
236 if (text_height > page_layout.margin_top) | |
237 return; | |
238 | |
239 // Ensure we have enough space to print above and below the page to print | |
240 // footers. | |
241 string16 page_of_total_pages = base::IntToString16(page_number) + | |
242 UTF8ToUTF16("/") + | |
243 base::IntToString16(total_pages); | |
244 std::string url; | |
245 if (!header_footer_info->GetString(printing::kSettingHeaderFooterURL, | |
246 &url)) { | |
247 NOTREACHED(); | |
248 } | |
249 | |
250 SkRect footer_bounds; | |
251 string16 footer_text = page_of_total_pages + UTF8ToUTF16(url); | |
252 paint.measureText(footer_text.c_str(), footer_text.length() * sizeof(char16), | |
253 &footer_bounds, 0); | |
254 | |
255 text_height = | |
256 printing::kSettingHeaderFooterInterstice + footer_bounds.height(); | |
257 | |
258 if (text_height > page_layout.margin_bottom) | |
259 return; | |
260 | |
261 SkScalar segment_width = GetSegmentWidth(page_layout); | |
262 // Print the Date. | |
263 PrintHeaderFooterText(date, paint, canvas, printing::LEFT, printing::TOP, | |
264 webkit_scale_factor, page_layout, segment_width, | |
265 font, header_bounds.top()); | |
266 | |
267 // Print the title. | |
268 SkScalar date_width = paint.measureText(date.c_str(), | |
269 date.length() * sizeof(char16)); | |
270 // Calculate the available title width. If the date string is not long | |
271 // enough, then, we increase the available space we have for the title. | |
272 // Assumes there is no header text to RIGHT of title. | |
273 SkScalar max_title_width = std::min(2 * segment_width, | |
274 2 * (segment_width - date_width) + | |
275 segment_width); | |
276 PrintHeaderFooterText(title, paint, canvas, printing::CENTER, | |
277 printing::TOP, webkit_scale_factor, page_layout, | |
278 max_title_width, font, header_bounds.top()); | |
279 | |
280 // Print the page numbers at the bottom right corner of page. | |
281 PrintHeaderFooterText(page_of_total_pages, paint, canvas, printing::RIGHT, | |
282 printing::BOTTOM, webkit_scale_factor, | |
283 page_layout, segment_width, font, | |
284 footer_bounds.bottom()); | |
285 | |
286 // Print the URL. | |
287 GURL gurl(url); | |
288 SkScalar page_width = paint.measureText( | |
289 page_of_total_pages.c_str(), | |
290 page_of_total_pages.length() * sizeof(char16)); | |
291 | |
292 // Calculate the available URL width. We increase the available URL width | |
293 // if the |page_of_total_pages| string isn't long enough. | |
294 // Assumes no footer text being printed in the CENTER. | |
295 SkScalar max_url_width = | |
296 (page_layout.content_width + page_layout.margin_left + | |
297 page_layout.margin_right) * 3 / 4; | |
298 max_url_width = std::min(max_url_width, | |
299 2 * (segment_width - page_width) + segment_width); | |
300 string16 url_elided = ui::ElideUrl(gurl, font, | |
301 ConvertPointsToPixelDouble(max_url_width), | |
302 std::string()); | |
303 PrintHeaderFooterText(url_elided, paint, canvas, printing::LEFT, | |
304 printing::BOTTOM, webkit_scale_factor, | |
305 page_layout, max_url_width, font, | |
306 footer_bounds.bottom()); | |
307 | |
308 // Restore the drawing area to draw in the content area. | |
309 static_cast<skia::VectorPlatformDeviceSkia*>(device)->setDrawingArea( | |
310 SkPDFDevice::kContent_DrawingArea); | |
311 } | |
312 #endif // USE_SKIA | |
313 | |
97 PrepareFrameAndViewForPrint::PrepareFrameAndViewForPrint( | 314 PrepareFrameAndViewForPrint::PrepareFrameAndViewForPrint( |
98 const PrintMsg_Print_Params& print_params, | 315 const PrintMsg_Print_Params& print_params, |
99 WebFrame* frame, | 316 WebFrame* frame, |
100 WebNode* node) | 317 WebNode* node) |
101 : frame_(frame), | 318 : frame_(frame), |
102 web_view_(frame->view()), | 319 web_view_(frame->view()), |
103 expected_pages_count_(0), | 320 expected_pages_count_(0), |
104 use_browser_overlays_(true), | 321 use_browser_overlays_(true), |
105 finished_(false) { | 322 finished_(false) { |
106 int dpi = GetDPI(&print_params); | 323 int dpi = GetDPI(&print_params); |
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719 Send(new PrintHostMsg_UpdatePrintSettings(routing_id(), | 936 Send(new PrintHostMsg_UpdatePrintSettings(routing_id(), |
720 print_pages_params_->params.document_cookie, job_settings, &settings)); | 937 print_pages_params_->params.document_cookie, job_settings, &settings)); |
721 | 938 |
722 if (settings.params.dpi < kMinDpi || !settings.params.document_cookie) | 939 if (settings.params.dpi < kMinDpi || !settings.params.document_cookie) |
723 return false; | 940 return false; |
724 | 941 |
725 if (!UpdatePrintSettingsRequestId(job_settings, &(settings.params))) | 942 if (!UpdatePrintSettingsRequestId(job_settings, &(settings.params))) |
726 return false; | 943 return false; |
727 | 944 |
728 print_pages_params_.reset(new PrintMsg_PrintPages_Params(settings)); | 945 print_pages_params_.reset(new PrintMsg_PrintPages_Params(settings)); |
946 // Getting Header and Footer settings. | |
947 bool display_header_footer; | |
948 if (!job_settings.GetBoolean(printing::kSettingHeaderFooter, | |
949 &display_header_footer)) { | |
950 NOTREACHED(); | |
951 } | |
952 print_pages_params_->params.display_header_footer = display_header_footer; | |
953 std::string url; | |
954 if (!job_settings.GetString(printing::kSettingHeaderFooterURL, &url)) | |
kmadhusu
2011/07/26 20:27:50
Can you merge the if conditions @line 948, 954 and
Aayush Kumar
2011/07/28 17:28:41
Done.
| |
955 NOTREACHED(); | |
956 header_footer_info_.reset(new DictionaryValue()); | |
957 header_footer_info_->SetString(printing::kSettingHeaderFooterURL, url); | |
958 string16 title; | |
959 if (!job_settings.GetString(printing::kSettingHeaderFooterTitle, &title)) | |
960 NOTREACHED(); | |
961 header_footer_info_->SetString(printing::kSettingHeaderFooterTitle, title); | |
962 | |
729 Send(new PrintHostMsg_DidGetDocumentCookie(routing_id(), | 963 Send(new PrintHostMsg_DidGetDocumentCookie(routing_id(), |
730 settings.params.document_cookie)); | 964 settings.params.document_cookie)); |
731 return true; | 965 return true; |
732 } | 966 } |
733 | 967 |
734 bool PrintWebViewHelper::GetPrintSettingsFromUser(WebKit::WebFrame* frame, | 968 bool PrintWebViewHelper::GetPrintSettingsFromUser(WebKit::WebFrame* frame, |
735 int expected_pages_count, | 969 int expected_pages_count, |
736 bool use_browser_overlays) { | 970 bool use_browser_overlays) { |
737 PrintHostMsg_ScriptedPrint_Params params; | 971 PrintHostMsg_ScriptedPrint_Params params; |
738 PrintMsg_PrintPages_Params print_settings; | 972 PrintMsg_PrintPages_Params print_settings; |
(...skipping 292 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... | |
1031 const gfx::Size& | 1265 const gfx::Size& |
1032 PrintWebViewHelper::PrintPreviewContext::GetPrintCanvasSize() const { | 1266 PrintWebViewHelper::PrintPreviewContext::GetPrintCanvasSize() const { |
1033 return prep_frame_view_->GetPrintCanvasSize(); | 1267 return prep_frame_view_->GetPrintCanvasSize(); |
1034 } | 1268 } |
1035 | 1269 |
1036 void PrintWebViewHelper::PrintPreviewContext::ClearContext() { | 1270 void PrintWebViewHelper::PrintPreviewContext::ClearContext() { |
1037 prep_frame_view_.reset(); | 1271 prep_frame_view_.reset(); |
1038 metafile_.reset(); | 1272 metafile_.reset(); |
1039 rendered_pages_.clear(); | 1273 rendered_pages_.clear(); |
1040 } | 1274 } |
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