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| 1 // Copyright (c) 2009 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2009 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 #include "chrome/renderer/print_web_view_helper.h" | 5 #include "chrome/renderer/print_web_view_helper.h" |
| 6 | 6 |
| 7 #include "base/logging.h" | 7 #include "base/logging.h" |
| 8 #include "chrome/common/render_messages.h" | 8 #include "chrome/common/render_messages.h" |
| 9 #include "skia/ext/vector_canvas.h" | 9 #include "skia/ext/vector_canvas.h" |
| 10 #include "webkit/glue/webframe.h" | 10 #include "webkit/api/public/WebFrame.h" |
| 11 | 11 |
| 12 using WebKit::WebFrame; |
| 12 | 13 |
| 13 void PrintWebViewHelper::Print(WebFrame* frame, bool script_initiated) { | 14 void PrintWebViewHelper::Print(WebFrame* frame, bool script_initiated) { |
| 14 // If still not finished with earlier print request simply ignore. | 15 // If still not finished with earlier print request simply ignore. |
| 15 if (IsPrinting()) | 16 if (IsPrinting()) |
| 16 return; | 17 return; |
| 17 | 18 |
| 18 // TODO(myhuang): Get printing parameters via IPC. | 19 // TODO(myhuang): Get printing parameters via IPC. |
| 19 // For testing purpose, we hard-coded printing parameters here. | 20 // For testing purpose, we hard-coded printing parameters here. |
| 20 | 21 |
| 21 // The paper size is US Letter (8.5 in. by 11 in.). | 22 // The paper size is US Letter (8.5 in. by 11 in.). |
| (...skipping 10 matching lines...) Expand all Loading... |
| 32 default_settings.dpi = kDPI; | 33 default_settings.dpi = kDPI; |
| 33 default_settings.min_shrink = 1.25; | 34 default_settings.min_shrink = 1.25; |
| 34 default_settings.max_shrink = 2.0; | 35 default_settings.max_shrink = 2.0; |
| 35 default_settings.desired_dpi = kDPI; | 36 default_settings.desired_dpi = kDPI; |
| 36 default_settings.document_cookie = NULL; | 37 default_settings.document_cookie = NULL; |
| 37 default_settings.selection_only = false; | 38 default_settings.selection_only = false; |
| 38 | 39 |
| 39 // Calculate the estimated page count. | 40 // Calculate the estimated page count. |
| 40 PrepareFrameAndViewForPrint prep_frame_view(default_settings, | 41 PrepareFrameAndViewForPrint prep_frame_view(default_settings, |
| 41 frame, | 42 frame, |
| 42 frame->GetView()); | 43 frame->view()); |
| 43 int expected_pages_count = prep_frame_view.GetExpectedPageCount(); | 44 int expected_pages_count = prep_frame_view.GetExpectedPageCount(); |
| 44 DCHECK(expected_pages_count); | 45 DCHECK(expected_pages_count); |
| 45 | 46 |
| 46 ViewMsg_PrintPage_Params page_params; | 47 ViewMsg_PrintPage_Params page_params; |
| 47 page_params.params = default_settings; | 48 page_params.params = default_settings; |
| 48 | 49 |
| 49 // TODO(myhuang): Get final printing settings via IPC. | 50 // TODO(myhuang): Get final printing settings via IPC. |
| 50 // For testing purpose, we hard-coded printing settings here. | 51 // For testing purpose, we hard-coded printing settings here. |
| 51 | 52 |
| 52 // Print the first page only. | 53 // Print the first page only. |
| (...skipping 14 matching lines...) Expand all Loading... |
| 67 int size_y = static_cast<int>(canvas_size.height() * | 68 int size_y = static_cast<int>(canvas_size.height() * |
| 68 params.params.max_shrink); | 69 params.params.max_shrink); |
| 69 // Calculate the dpi adjustment. | 70 // Calculate the dpi adjustment. |
| 70 float shrink = static_cast<float>(canvas_size.width()) / | 71 float shrink = static_cast<float>(canvas_size.width()) / |
| 71 params.params.printable_size.width(); | 72 params.params.printable_size.width(); |
| 72 | 73 |
| 73 // TODO(myhuang): We now use VectorCanvas to generate a PS/PDF file for | 74 // TODO(myhuang): We now use VectorCanvas to generate a PS/PDF file for |
| 74 // each page in printing. We might also need to create a metafile class | 75 // each page in printing. We might also need to create a metafile class |
| 75 // on Linux. | 76 // on Linux. |
| 76 skia::VectorCanvas canvas(size_x, size_y); | 77 skia::VectorCanvas canvas(size_x, size_y); |
| 77 float webkit_shrink = frame->PrintPage(params.page_number, &canvas); | 78 float webkit_shrink = frame->printPage(params.page_number, &canvas); |
| 78 if (shrink <= 0) { | 79 if (shrink <= 0) { |
| 79 NOTREACHED() << "Printing page " << params.page_number << " failed."; | 80 NOTREACHED() << "Printing page " << params.page_number << " failed."; |
| 80 } else { | 81 } else { |
| 81 // Update the dpi adjustment with the "page shrink" calculated in webkit. | 82 // Update the dpi adjustment with the "page shrink" calculated in webkit. |
| 82 shrink /= webkit_shrink; | 83 shrink /= webkit_shrink; |
| 83 } | 84 } |
| 84 } | 85 } |
| 85 | 86 |
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