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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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