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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> |
11 | 11 |
12 #include "base/memory/scoped_ptr.h" | 12 #include "base/memory/scoped_ptr.h" |
13 #include "base/shared_memory.h" | 13 #include "base/shared_memory.h" |
14 #include "base/time.h" | 14 #include "base/time.h" |
15 #include "content/renderer/render_view_observer.h" | 15 #include "content/renderer/render_view_observer.h" |
16 #include "content/renderer/render_view_observer_tracker.h" | 16 #include "content/renderer/render_view_observer_tracker.h" |
17 #include "printing/metafile.h" | 17 #include "printing/metafile.h" |
18 #include "third_party/WebKit/Source/WebKit/chromium/public/WebFrameClient.h" | 18 #include "third_party/WebKit/Source/WebKit/chromium/public/WebFrameClient.h" |
19 #include "third_party/WebKit/Source/WebKit/chromium/public/WebNode.h" | 19 #include "third_party/WebKit/Source/WebKit/chromium/public/WebNode.h" |
20 #include "third_party/WebKit/Source/WebKit/chromium/public/WebViewClient.h" | 20 #include "third_party/WebKit/Source/WebKit/chromium/public/WebViewClient.h" |
21 #include "ui/gfx/size.h" | 21 #include "ui/gfx/size.h" |
22 | 22 |
23 struct PrintMsg_Print_Params; | 23 struct PrintMsg_Print_Params; |
24 struct PrintMsg_PrintPage_Params; | 24 struct PrintMsg_PrintPage_Params; |
25 struct PrintMsg_PrintPages_Params; | 25 struct PrintMsg_PrintPages_Params; |
26 | 26 |
27 namespace base { | 27 namespace base { |
28 class DictionaryValue; | 28 class DictionaryValue; |
29 } | 29 } |
| 30 #if defined(USE_SKIA) |
| 31 namespace skia { |
| 32 class VectorCanvas; |
| 33 } |
| 34 #endif |
30 | 35 |
31 // Class that calls the Begin and End print functions on the frame and changes | 36 // Class that calls the Begin and End print functions on the frame and changes |
32 // the size of the view temporarily to support full page printing.. | 37 // the size of the view temporarily to support full page printing.. |
33 // Do not serve any events in the time between construction and destruction of | 38 // Do not serve any events in the time between construction and destruction of |
34 // this class because it will cause flicker. | 39 // this class because it will cause flicker. |
35 class PrepareFrameAndViewForPrint { | 40 class PrepareFrameAndViewForPrint { |
36 public: | 41 public: |
37 // Prints |frame|. If |node| is not NULL, then only that node will be | 42 // Prints |frame|. If |node| is not NULL, then only that node will be |
38 // printed. | 43 // printed. |
39 PrepareFrameAndViewForPrint(const PrintMsg_Print_Params& print_params, | 44 PrepareFrameAndViewForPrint(const PrintMsg_Print_Params& print_params, |
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253 int page_index, | 258 int page_index, |
254 const PrintMsg_Print_Params& default_params, | 259 const PrintMsg_Print_Params& default_params, |
255 PageSizeMargins* page_layout_in_points); | 260 PageSizeMargins* page_layout_in_points); |
256 | 261 |
257 static void UpdatePrintableSizeInPrintParameters( | 262 static void UpdatePrintableSizeInPrintParameters( |
258 WebKit::WebFrame* frame, | 263 WebKit::WebFrame* frame, |
259 WebKit::WebNode* node, | 264 WebKit::WebNode* node, |
260 PrepareFrameAndViewForPrint* prepare, | 265 PrepareFrameAndViewForPrint* prepare, |
261 PrintMsg_Print_Params* params); | 266 PrintMsg_Print_Params* params); |
262 | 267 |
| 268 #if defined(USE_SKIA) |
| 269 // Given the |device| and |canvas| to draw on, prints the appropriate headers |
| 270 // and footers using strings from |header_footer_info| on to the canvas. |
| 271 static void PrintHeaderAndFooter( |
| 272 SkDevice* device, |
| 273 skia::VectorCanvas* canvas, |
| 274 int page_number, |
| 275 int total_pages, |
| 276 float webkit_scale_factor, |
| 277 const PageSizeMargins& page_layout_in_points, |
| 278 const base::DictionaryValue& header_footer_info); |
| 279 #endif // USE_SKIA |
| 280 |
263 bool GetPrintFrame(WebKit::WebFrame** frame); | 281 bool GetPrintFrame(WebKit::WebFrame** frame); |
264 | 282 |
265 // This reports the current time - |start_time| as the time to render a page. | 283 // This reports the current time - |start_time| as the time to render a page. |
266 void ReportPreviewPageRenderTime(base::TimeTicks start_time); | 284 void ReportPreviewPageRenderTime(base::TimeTicks start_time); |
267 | 285 |
268 // Script Initiated Printing ------------------------------------------------ | 286 // Script Initiated Printing ------------------------------------------------ |
269 | 287 |
270 // Returns true if script initiated printing occurs too often. | 288 // Returns true if script initiated printing occurs too often. |
271 bool IsScriptInitiatedPrintTooFrequent(WebKit::WebFrame* frame); | 289 bool IsScriptInitiatedPrintTooFrequent(WebKit::WebFrame* frame); |
272 | 290 |
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296 // Used for scripted initiated printing blocking. | 314 // Used for scripted initiated printing blocking. |
297 base::Time last_cancelled_script_print_; | 315 base::Time last_cancelled_script_print_; |
298 int user_cancelled_scripted_print_count_; | 316 int user_cancelled_scripted_print_count_; |
299 | 317 |
300 // Let the browser process know of a printing failure. Only set to false when | 318 // Let the browser process know of a printing failure. Only set to false when |
301 // the failure came from the browser in the first place. | 319 // the failure came from the browser in the first place. |
302 bool notify_browser_of_print_failure_; | 320 bool notify_browser_of_print_failure_; |
303 | 321 |
304 scoped_ptr<PrintMsg_PrintPages_Params> old_print_pages_params_; | 322 scoped_ptr<PrintMsg_PrintPages_Params> old_print_pages_params_; |
305 | 323 |
| 324 // Contains strings generated by the browser process to be printed as headers |
| 325 // and footers if requested by the user. |
| 326 scoped_ptr<base::DictionaryValue> header_footer_info_; |
| 327 |
306 // Keeps track of the state of print preview between messages. | 328 // Keeps track of the state of print preview between messages. |
307 class PrintPreviewContext { | 329 class PrintPreviewContext { |
308 public: | 330 public: |
309 PrintPreviewContext(); | 331 PrintPreviewContext(); |
310 ~PrintPreviewContext(); | 332 ~PrintPreviewContext(); |
311 | 333 |
312 // Initializes the print preview context. Need to be called to set | 334 // Initializes the print preview context. Need to be called to set |
313 // the |web_frame| / |web_node| to generate the print preview for. | 335 // the |web_frame| / |web_node| to generate the print preview for. |
314 void InitWithFrame(WebKit::WebFrame* web_frame); | 336 void InitWithFrame(WebKit::WebFrame* web_frame); |
315 void InitWithNode(const WebKit::WebNode& web_node); | 337 void InitWithNode(const WebKit::WebNode& web_node); |
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386 | 408 |
387 State state_; | 409 State state_; |
388 }; | 410 }; |
389 | 411 |
390 PrintPreviewContext print_preview_context_; | 412 PrintPreviewContext print_preview_context_; |
391 | 413 |
392 DISALLOW_COPY_AND_ASSIGN(PrintWebViewHelper); | 414 DISALLOW_COPY_AND_ASSIGN(PrintWebViewHelper); |
393 }; | 415 }; |
394 | 416 |
395 #endif // CHROME_RENDERER_PRINT_WEB_VIEW_HELPER_H_ | 417 #endif // CHROME_RENDERER_PRINT_WEB_VIEW_HELPER_H_ |
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