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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. This is the behavior in linux and | |
115 // windows. | |
Lei Zhang
2017/04/06 10:23:00
It's good to capitalize Windows to distinguish it
jzfeng
2017/04/07 03:24:06
Done.
| |
116 virtual bool UseSingleMetafile(); | |
117 #endif | |
111 }; | 118 }; |
112 | 119 |
113 PrintWebViewHelper(content::RenderFrame* render_frame, | 120 PrintWebViewHelper(content::RenderFrame* render_frame, |
114 std::unique_ptr<Delegate> delegate); | 121 std::unique_ptr<Delegate> delegate); |
115 ~PrintWebViewHelper() override; | 122 ~PrintWebViewHelper() override; |
116 | 123 |
117 // Minimum valid value for scaling. Since scaling is originally an integer | 124 // 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 | 125 // representing a percentage, it should never be less than this if it is |
119 // valid. | 126 // valid. |
120 static constexpr double kEpsilon = 0.01f; | 127 static constexpr double kEpsilon = 0.01f; |
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276 void PrintPages(); | 283 void PrintPages(); |
277 bool PrintPagesNative(blink::WebLocalFrame* frame, int page_count); | 284 bool PrintPagesNative(blink::WebLocalFrame* frame, int page_count); |
278 void FinishFramePrinting(); | 285 void FinishFramePrinting(); |
279 // Render the frame for printing. | 286 // Render the frame for printing. |
280 bool RenderPagesForPrint(blink::WebLocalFrame* frame, | 287 bool RenderPagesForPrint(blink::WebLocalFrame* frame, |
281 const blink::WebNode& node); | 288 const blink::WebNode& node); |
282 #endif // BUILDFLAG(ENABLE_BASIC_PRINTING) | 289 #endif // BUILDFLAG(ENABLE_BASIC_PRINTING) |
283 | 290 |
284 // Prints the page listed in |params|. | 291 // Prints the page listed in |params|. |
285 #if defined(OS_MACOSX) | 292 #if defined(OS_MACOSX) |
286 void PrintPageInternal(const PrintMsg_PrintPage_Params& params, | 293 void PrintPagesInternal(const PrintMsg_PrintPage_Params& params, |
287 blink::WebLocalFrame* frame); | 294 blink::WebLocalFrame* frame, |
295 const std::vector<int>& printed_pages); | |
288 #else | 296 #else |
289 void PrintPageInternal(const PrintMsg_PrintPage_Params& params, | 297 void PrintPageInternal(const PrintMsg_PrintPage_Params& params, |
290 blink::WebLocalFrame* frame, | 298 blink::WebLocalFrame* frame, |
291 PdfMetafileSkia* metafile, | 299 PdfMetafileSkia* metafile, |
292 gfx::Size* page_size_in_dpi, | 300 gfx::Size* page_size_in_dpi, |
293 gfx::Rect* content_area_in_dpi, | 301 gfx::Rect* content_area_in_dpi, |
294 gfx::Rect* printable_area_in_dpi); | 302 gfx::Rect* printable_area_in_dpi); |
295 #endif // defined(OS_MACOSX) | 303 #endif // defined(OS_MACOSX) |
296 | 304 |
297 // Platform specific helper function for rendering page(s) to |metafile|. | 305 // Platform specific helper function for rendering page(s) to |metafile|. |
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539 base::Closure on_stop_loading_closure_; | 547 base::Closure on_stop_loading_closure_; |
540 | 548 |
541 base::WeakPtrFactory<PrintWebViewHelper> weak_ptr_factory_; | 549 base::WeakPtrFactory<PrintWebViewHelper> weak_ptr_factory_; |
542 | 550 |
543 DISALLOW_COPY_AND_ASSIGN(PrintWebViewHelper); | 551 DISALLOW_COPY_AND_ASSIGN(PrintWebViewHelper); |
544 }; | 552 }; |
545 | 553 |
546 } // namespace printing | 554 } // namespace printing |
547 | 555 |
548 #endif // COMPONENTS_PRINTING_RENDERER_PRINT_WEB_VIEW_HELPER_H_ | 556 #endif // COMPONENTS_PRINTING_RENDERER_PRINT_WEB_VIEW_HELPER_H_ |
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