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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 #ifndef CHROME_RENDERER_PRINTING_PRINT_WEB_VIEW_HELPER_H_ | 5 #ifndef CHROME_RENDERER_PRINTING_PRINT_WEB_VIEW_HELPER_H_ |
| 6 #define CHROME_RENDERER_PRINTING_PRINT_WEB_VIEW_HELPER_H_ | 6 #define CHROME_RENDERER_PRINTING_PRINT_WEB_VIEW_HELPER_H_ |
| 7 | 7 |
| 8 #include <vector> | 8 #include <vector> |
| 9 | 9 |
| 10 #include "base/callback.h" | 10 #include "base/callback.h" |
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| 266 static void ComputePageLayoutInPointsForCss( | 266 static void ComputePageLayoutInPointsForCss( |
| 267 blink::WebFrame* frame, | 267 blink::WebFrame* frame, |
| 268 int page_index, | 268 int page_index, |
| 269 const PrintMsg_Print_Params& default_params, | 269 const PrintMsg_Print_Params& default_params, |
| 270 bool ignore_css_margins, | 270 bool ignore_css_margins, |
| 271 double* scale_factor, | 271 double* scale_factor, |
| 272 PageSizeMargins* page_layout_in_points); | 272 PageSizeMargins* page_layout_in_points); |
| 273 | 273 |
| 274 // Given the |device| and |canvas| to draw on, prints the appropriate headers | 274 // Given the |device| and |canvas| to draw on, prints the appropriate headers |
| 275 // and footers using strings from |header_footer_info| on to the canvas. | 275 // and footers using strings from |header_footer_info| on to the canvas. |
| 276 static void PrintHeaderAndFooter( | 276 static void PrintHeaderAndFooter(blink::WebCanvas* canvas, |
| 277 blink::WebCanvas* canvas, | 277 int page_number, |
| 278 int page_number, | 278 int total_pages, |
| 279 int total_pages, | 279 const blink::WebFrame& source_frame, |
| 280 float webkit_scale_factor, | 280 float webkit_scale_factor, |
| 281 const PageSizeMargins& page_layout_in_points, | 281 const PageSizeMargins& page_layout_in_points, |
| 282 const base::DictionaryValue& header_footer_info, | 282 const PrintMsg_Print_Params& params); |
| 283 const PrintMsg_Print_Params& params); | |
| 284 | 283 |
| 285 bool GetPrintFrame(blink::WebLocalFrame** frame); | 284 bool GetPrintFrame(blink::WebLocalFrame** frame); |
| 286 | 285 |
| 287 // Script Initiated Printing ------------------------------------------------ | 286 // Script Initiated Printing ------------------------------------------------ |
| 288 | 287 |
| 289 // Return true if script initiated printing is currently | 288 // Return true if script initiated printing is currently |
| 290 // allowed. |user_initiated| should be true when a user event triggered the | 289 // allowed. |user_initiated| should be true when a user event triggered the |
| 291 // script, most likely by pressing a print button on the page. | 290 // script, most likely by pressing a print button on the page. |
| 292 bool IsScriptInitiatedPrintAllowed(blink::WebFrame* frame, | 291 bool IsScriptInitiatedPrintAllowed(blink::WebFrame* frame, |
| 293 bool user_initiated); | 292 bool user_initiated); |
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| 320 // Used for scripted initiated printing blocking. | 319 // Used for scripted initiated printing blocking. |
| 321 bool is_scripted_printing_blocked_; | 320 bool is_scripted_printing_blocked_; |
| 322 | 321 |
| 323 // Let the browser process know of a printing failure. Only set to false when | 322 // Let the browser process know of a printing failure. Only set to false when |
| 324 // the failure came from the browser in the first place. | 323 // the failure came from the browser in the first place. |
| 325 bool notify_browser_of_print_failure_; | 324 bool notify_browser_of_print_failure_; |
| 326 | 325 |
| 327 // True, when printing from print preview. | 326 // True, when printing from print preview. |
| 328 bool print_for_preview_; | 327 bool print_for_preview_; |
| 329 | 328 |
| 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 | |
| 334 // Keeps track of the state of print preview between messages. | 329 // Keeps track of the state of print preview between messages. |
| 335 // TODO(vitalybuka): Create PrintPreviewContext when needed and delete after | 330 // TODO(vitalybuka): Create PrintPreviewContext when needed and delete after |
| 336 // use. Now it's interaction with various messages is confusing. | 331 // use. Now it's interaction with various messages is confusing. |
| 337 class PrintPreviewContext { | 332 class PrintPreviewContext { |
| 338 public: | 333 public: |
| 339 PrintPreviewContext(); | 334 PrintPreviewContext(); |
| 340 ~PrintPreviewContext(); | 335 ~PrintPreviewContext(); |
| 341 | 336 |
| 342 // Initializes the print preview context. Need to be called to set | 337 // Initializes the print preview context. Need to be called to set |
| 343 // the |web_frame| / |web_node| to generate the print preview for. | 338 // the |web_frame| / |web_node| to generate the print preview for. |
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| 450 // hangs because RequestPrintPreview is called before DidStopLoading() is | 445 // hangs because RequestPrintPreview is called before DidStopLoading() is |
| 451 // called. This is a store for the RequestPrintPreview() call and its | 446 // called. This is a store for the RequestPrintPreview() call and its |
| 452 // parameters so that it can be invoked after DidStopLoading. | 447 // parameters so that it can be invoked after DidStopLoading. |
| 453 base::Closure on_stop_loading_closure_; | 448 base::Closure on_stop_loading_closure_; |
| 454 DISALLOW_COPY_AND_ASSIGN(PrintWebViewHelper); | 449 DISALLOW_COPY_AND_ASSIGN(PrintWebViewHelper); |
| 455 }; | 450 }; |
| 456 | 451 |
| 457 } // namespace printing | 452 } // namespace printing |
| 458 | 453 |
| 459 #endif // CHROME_RENDERER_PRINTING_PRINT_WEB_VIEW_HELPER_H_ | 454 #endif // CHROME_RENDERER_PRINTING_PRINT_WEB_VIEW_HELPER_H_ |
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