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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 COMPONENTS_PRINTING_RENDERER_PRINT_WEB_VIEW_HELPER_H_ | 5 #ifndef COMPONENTS_PRINTING_RENDERER_PRINT_WEB_VIEW_HELPER_H_ |
6 #define COMPONENTS_PRINTING_RENDERER_PRINT_WEB_VIEW_HELPER_H_ | 6 #define COMPONENTS_PRINTING_RENDERER_PRINT_WEB_VIEW_HELPER_H_ |
7 | 7 |
8 #include <memory> | 8 #include <memory> |
9 #include <vector> | 9 #include <vector> |
10 | 10 |
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101 // The default implementation returns |true|. | 101 // The default implementation returns |true|. |
102 virtual bool IsAskPrintSettingsEnabled(); | 102 virtual bool IsAskPrintSettingsEnabled(); |
103 | 103 |
104 // If false, window.print() won't do anything. | 104 // If false, window.print() won't do anything. |
105 // The default implementation returns |true|. | 105 // The default implementation returns |true|. |
106 virtual bool IsScriptedPrintEnabled(); | 106 virtual bool IsScriptedPrintEnabled(); |
107 | 107 |
108 // Returns true if printing is overridden and the default behavior should be | 108 // Returns true if printing is overridden and the default behavior should be |
109 // skipped for |frame|. | 109 // skipped for |frame|. |
110 virtual bool OverridePrint(blink::WebLocalFrame* frame) = 0; | 110 virtual bool OverridePrint(blink::WebLocalFrame* frame) = 0; |
| 111 |
| 112 #if defined(OS_MACOSX) |
| 113 // If true, all the printed pages are returned in the first |
| 114 // PrintHostMsg_DidPrintPage metafile, like on Linux and Windows. |
| 115 // NOTE: PrintHostMsg_DidPrintPage messages for all pages contain the same |
| 116 // page and content area, which may lead to bug when these two parameters |
| 117 // are different per page. |
| 118 virtual bool UseSingleMetafile(); |
| 119 #endif |
111 }; | 120 }; |
112 | 121 |
113 PrintWebViewHelper(content::RenderFrame* render_frame, | 122 PrintWebViewHelper(content::RenderFrame* render_frame, |
114 std::unique_ptr<Delegate> delegate); | 123 std::unique_ptr<Delegate> delegate); |
115 ~PrintWebViewHelper() override; | 124 ~PrintWebViewHelper() override; |
116 | 125 |
117 // Minimum valid value for scaling. Since scaling is originally an integer | 126 // Minimum valid value for scaling. Since scaling is originally an integer |
118 // representing a percentage, it should never be less than this if it is | 127 // representing a percentage, it should never be less than this if it is |
119 // valid. | 128 // valid. |
120 static constexpr double kEpsilon = 0.01f; | 129 static constexpr double kEpsilon = 0.01f; |
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276 void PrintPages(); | 285 void PrintPages(); |
277 bool PrintPagesNative(blink::WebLocalFrame* frame, int page_count); | 286 bool PrintPagesNative(blink::WebLocalFrame* frame, int page_count); |
278 void FinishFramePrinting(); | 287 void FinishFramePrinting(); |
279 // Render the frame for printing. | 288 // Render the frame for printing. |
280 bool RenderPagesForPrint(blink::WebLocalFrame* frame, | 289 bool RenderPagesForPrint(blink::WebLocalFrame* frame, |
281 const blink::WebNode& node); | 290 const blink::WebNode& node); |
282 #endif // BUILDFLAG(ENABLE_BASIC_PRINTING) | 291 #endif // BUILDFLAG(ENABLE_BASIC_PRINTING) |
283 | 292 |
284 // Prints the page listed in |params|. | 293 // Prints the page listed in |params|. |
285 #if defined(OS_MACOSX) | 294 #if defined(OS_MACOSX) |
286 void PrintPageInternal(const PrintMsg_PrintPage_Params& params, | 295 void PrintPagesInternal(const PrintMsg_PrintPage_Params& params, |
287 blink::WebLocalFrame* frame); | 296 blink::WebLocalFrame* frame, |
| 297 const std::vector<int>& printed_pages); |
288 #else | 298 #else |
289 void PrintPageInternal(const PrintMsg_PrintPage_Params& params, | 299 void PrintPageInternal(const PrintMsg_PrintPage_Params& params, |
290 blink::WebLocalFrame* frame, | 300 blink::WebLocalFrame* frame, |
291 PdfMetafileSkia* metafile, | 301 PdfMetafileSkia* metafile, |
292 gfx::Size* page_size_in_dpi, | 302 gfx::Size* page_size_in_dpi, |
293 gfx::Rect* content_area_in_dpi, | 303 gfx::Rect* content_area_in_dpi, |
294 gfx::Rect* printable_area_in_dpi); | 304 gfx::Rect* printable_area_in_dpi); |
295 #endif // defined(OS_MACOSX) | 305 #endif // defined(OS_MACOSX) |
296 | 306 |
297 // Platform specific helper function for rendering page(s) to |metafile|. | 307 // Platform specific helper function for rendering page(s) to |metafile|. |
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539 base::Closure on_stop_loading_closure_; | 549 base::Closure on_stop_loading_closure_; |
540 | 550 |
541 base::WeakPtrFactory<PrintWebViewHelper> weak_ptr_factory_; | 551 base::WeakPtrFactory<PrintWebViewHelper> weak_ptr_factory_; |
542 | 552 |
543 DISALLOW_COPY_AND_ASSIGN(PrintWebViewHelper); | 553 DISALLOW_COPY_AND_ASSIGN(PrintWebViewHelper); |
544 }; | 554 }; |
545 | 555 |
546 } // namespace printing | 556 } // namespace printing |
547 | 557 |
548 #endif // COMPONENTS_PRINTING_RENDERER_PRINT_WEB_VIEW_HELPER_H_ | 558 #endif // COMPONENTS_PRINTING_RENDERER_PRINT_WEB_VIEW_HELPER_H_ |
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