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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 #ifndef CHROME_RENDERER_PRINT_WEB_VIEW_HELPER_H_ | 5 #ifndef CHROME_RENDERER_PRINT_WEB_VIEW_HELPER_H_ |
6 #define CHROME_RENDERER_PRINT_WEB_VIEW_HELPER_H_ | 6 #define CHROME_RENDERER_PRINT_WEB_VIEW_HELPER_H_ |
7 #pragma once | 7 #pragma once |
8 | 8 |
9 #include <utility> | 9 #include <utility> |
10 #include <vector> | 10 #include <vector> |
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21 #include "third_party/WebKit/Source/WebKit/chromium/public/WebViewClient.h" | 21 #include "third_party/WebKit/Source/WebKit/chromium/public/WebViewClient.h" |
22 #include "ui/gfx/size.h" | 22 #include "ui/gfx/size.h" |
23 | 23 |
24 struct PrintMsg_Print_Params; | 24 struct PrintMsg_Print_Params; |
25 struct PrintMsg_PrintPage_Params; | 25 struct PrintMsg_PrintPage_Params; |
26 struct PrintMsg_PrintPages_Params; | 26 struct PrintMsg_PrintPages_Params; |
27 | 27 |
28 namespace base { | 28 namespace base { |
29 class DictionaryValue; | 29 class DictionaryValue; |
30 } | 30 } |
| 31 #if defined(USE_SKIA) |
| 32 namespace skia { |
| 33 class VectorCanvas; |
| 34 } |
| 35 #endif |
31 | 36 |
32 // Class that calls the Begin and End print functions on the frame and changes | 37 // Class that calls the Begin and End print functions on the frame and changes |
33 // the size of the view temporarily to support full page printing.. | 38 // the size of the view temporarily to support full page printing.. |
34 // Do not serve any events in the time between construction and destruction of | 39 // Do not serve any events in the time between construction and destruction of |
35 // this class because it will cause flicker. | 40 // this class because it will cause flicker. |
36 class PrepareFrameAndViewForPrint { | 41 class PrepareFrameAndViewForPrint { |
37 public: | 42 public: |
38 // Prints |frame|. If |node| is not NULL, then only that node will be | 43 // Prints |frame|. If |node| is not NULL, then only that node will be |
39 // printed. | 44 // printed. |
40 PrepareFrameAndViewForPrint(const PrintMsg_Print_Params& print_params, | 45 PrepareFrameAndViewForPrint(const PrintMsg_Print_Params& print_params, |
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259 int page_index, | 264 int page_index, |
260 const PrintMsg_Print_Params& default_params, | 265 const PrintMsg_Print_Params& default_params, |
261 PageSizeMargins* page_layout_in_points); | 266 PageSizeMargins* page_layout_in_points); |
262 | 267 |
263 static void UpdatePrintableSizeInPrintParameters( | 268 static void UpdatePrintableSizeInPrintParameters( |
264 WebKit::WebFrame* frame, | 269 WebKit::WebFrame* frame, |
265 WebKit::WebNode* node, | 270 WebKit::WebNode* node, |
266 PrepareFrameAndViewForPrint* prepare, | 271 PrepareFrameAndViewForPrint* prepare, |
267 PrintMsg_Print_Params* params); | 272 PrintMsg_Print_Params* params); |
268 | 273 |
| 274 #if defined(USE_SKIA) |
| 275 // Given the |device| and |canvas| to draw on, prints the appropriate headers |
| 276 // and footers using strings from |header_footer_info| on to the canvas. |
| 277 static void PrintHeaderAndFooter( |
| 278 SkDevice* device, |
| 279 skia::VectorCanvas* canvas, |
| 280 int page_number, |
| 281 int total_pages, |
| 282 float webkit_scale_factor, |
| 283 const PageSizeMargins& page_layout_in_points, |
| 284 const base::DictionaryValue& header_footer_info); |
| 285 #endif // defined(USE_SKIA) |
| 286 |
269 bool GetPrintFrame(WebKit::WebFrame** frame); | 287 bool GetPrintFrame(WebKit::WebFrame** frame); |
270 | 288 |
271 // This reports the current time - |start_time| as the time to render a page. | 289 // This reports the current time - |start_time| as the time to render a page. |
272 void ReportPreviewPageRenderTime(base::TimeTicks start_time); | 290 void ReportPreviewPageRenderTime(base::TimeTicks start_time); |
273 | 291 |
274 // Script Initiated Printing ------------------------------------------------ | 292 // Script Initiated Printing ------------------------------------------------ |
275 | 293 |
276 // Returns true if script initiated printing occurs too often. | 294 // Returns true if script initiated printing occurs too often. |
277 bool IsScriptInitiatedPrintTooFrequent(WebKit::WebFrame* frame); | 295 bool IsScriptInitiatedPrintTooFrequent(WebKit::WebFrame* frame); |
278 | 296 |
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302 // Used for scripted initiated printing blocking. | 320 // Used for scripted initiated printing blocking. |
303 base::Time last_cancelled_script_print_; | 321 base::Time last_cancelled_script_print_; |
304 int user_cancelled_scripted_print_count_; | 322 int user_cancelled_scripted_print_count_; |
305 | 323 |
306 // Let the browser process know of a printing failure. Only set to false when | 324 // Let the browser process know of a printing failure. Only set to false when |
307 // the failure came from the browser in the first place. | 325 // the failure came from the browser in the first place. |
308 bool notify_browser_of_print_failure_; | 326 bool notify_browser_of_print_failure_; |
309 | 327 |
310 scoped_ptr<PrintMsg_PrintPages_Params> old_print_pages_params_; | 328 scoped_ptr<PrintMsg_PrintPages_Params> old_print_pages_params_; |
311 | 329 |
| 330 // Strings generated by the browser process to be printed as headers and |
| 331 // footers if requested by the user. |
| 332 scoped_ptr<base::DictionaryValue> header_footer_info_; |
| 333 |
312 // Keeps track of the state of print preview between messages. | 334 // Keeps track of the state of print preview between messages. |
313 class PrintPreviewContext { | 335 class PrintPreviewContext { |
314 public: | 336 public: |
315 PrintPreviewContext(); | 337 PrintPreviewContext(); |
316 ~PrintPreviewContext(); | 338 ~PrintPreviewContext(); |
317 | 339 |
318 // Initializes the print preview context. Need to be called to set | 340 // Initializes the print preview context. Need to be called to set |
319 // the |web_frame| / |web_node| to generate the print preview for. | 341 // the |web_frame| / |web_node| to generate the print preview for. |
320 void InitWithFrame(WebKit::WebFrame* web_frame); | 342 void InitWithFrame(WebKit::WebFrame* web_frame); |
321 void InitWithNode(const WebKit::WebNode& web_node); | 343 void InitWithNode(const WebKit::WebNode& web_node); |
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395 | 417 |
396 State state_; | 418 State state_; |
397 }; | 419 }; |
398 | 420 |
399 PrintPreviewContext print_preview_context_; | 421 PrintPreviewContext print_preview_context_; |
400 | 422 |
401 DISALLOW_COPY_AND_ASSIGN(PrintWebViewHelper); | 423 DISALLOW_COPY_AND_ASSIGN(PrintWebViewHelper); |
402 }; | 424 }; |
403 | 425 |
404 #endif // CHROME_RENDERER_PRINT_WEB_VIEW_HELPER_H_ | 426 #endif // CHROME_RENDERER_PRINT_WEB_VIEW_HELPER_H_ |
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