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| 1 // Copyright (c) 2009 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 #include "chrome/renderer/print_web_view_helper.h" | 5 #include "chrome/renderer/print_web_view_helper.h" |
| 6 | 6 |
| 7 #include "base/file_descriptor_posix.h" | 7 #include "base/file_descriptor_posix.h" |
| 8 #include "base/logging.h" | 8 #include "base/logging.h" |
| 9 #include "chrome/common/render_messages.h" | 9 #include "chrome/common/render_messages.h" |
| 10 #include "chrome/common/render_messages_params.h" | 10 #include "chrome/common/render_messages_params.h" |
| 11 #include "printing/native_metafile.h" | 11 #include "printing/native_metafile.h" |
| (...skipping 12 matching lines...) Expand all Loading... |
| 24 printing::NativeMetafile metafile(printing::NativeMetafile::PDF); | 24 printing::NativeMetafile metafile(printing::NativeMetafile::PDF); |
| 25 int page_count; | 25 int page_count; |
| 26 skia::VectorCanvas* canvas = NULL; | 26 skia::VectorCanvas* canvas = NULL; |
| 27 | 27 |
| 28 { | 28 { |
| 29 // Hack - when |prep_frame_view| goes out of scope, PrintEnd() gets called. | 29 // Hack - when |prep_frame_view| goes out of scope, PrintEnd() gets called. |
| 30 // Doing this before closing |metafile| below ensures | 30 // Doing this before closing |metafile| below ensures |
| 31 // webkit::ppapi::PluginInstance::PrintEnd() has a valid canvas/metafile to | 31 // webkit::ppapi::PluginInstance::PrintEnd() has a valid canvas/metafile to |
| 32 // save the final output to. See pepper_plugin_instance.cc for the whole | 32 // save the final output to. See pepper_plugin_instance.cc for the whole |
| 33 // story. | 33 // story. |
| 34 PrepareFrameAndViewForPrint prep_frame_view(params.params, | 34 ViewMsg_Print_Params printParams = params.params; |
| 35 PrepareFrameAndViewForPrint prep_frame_view(printParams, |
| 35 frame, | 36 frame, |
| 36 frame->view()); | 37 frame->view()); |
| 37 page_count = prep_frame_view.GetExpectedPageCount(); | 38 page_count = prep_frame_view.GetExpectedPageCount(); |
| 38 | 39 |
| 39 // TODO(myhuang): Send ViewHostMsg_DidGetPrintedPagesCount. | 40 // TODO(myhuang): Send ViewHostMsg_DidGetPrintedPagesCount. |
| 40 | 41 |
| 41 if (page_count == 0) | 42 if (page_count == 0) |
| 42 return; | 43 return; |
| 43 | 44 |
| 44 metafile.Init(); | 45 metafile.Init(); |
| 45 | 46 |
| 46 ViewMsg_PrintPage_Params print_page_params; | 47 ViewMsg_PrintPage_Params page_params; |
| 47 print_page_params.params = params.params; | 48 page_params.params = printParams; |
| 48 const gfx::Size& canvas_size = prep_frame_view.GetPrintCanvasSize(); | 49 const gfx::Size& canvas_size = prep_frame_view.GetPrintCanvasSize(); |
| 49 if (params.pages.empty()) { | 50 if (params.pages.empty()) { |
| 50 for (int i = 0; i < page_count; ++i) { | 51 for (int i = 0; i < page_count; ++i) { |
| 51 print_page_params.page_number = i; | 52 page_params.page_number = i; |
| 52 delete canvas; | 53 delete canvas; |
| 53 PrintPage(print_page_params, canvas_size, frame, &metafile, &canvas); | 54 PrintPage(page_params, canvas_size, frame, &metafile, &canvas); |
| 54 } | 55 } |
| 55 } else { | 56 } else { |
| 56 for (size_t i = 0; i < params.pages.size(); ++i) { | 57 for (size_t i = 0; i < params.pages.size(); ++i) { |
| 57 print_page_params.page_number = params.pages[i]; | 58 page_params.page_number = params.pages[i]; |
| 58 delete canvas; | 59 delete canvas; |
| 59 PrintPage(print_page_params, canvas_size, frame, &metafile, &canvas); | 60 PrintPage(page_params, canvas_size, frame, &metafile, &canvas); |
| 60 } | 61 } |
| 61 } | 62 } |
| 62 } | 63 } |
| 63 | 64 |
| 64 delete canvas; | 65 delete canvas; |
| 65 metafile.Close(); | 66 metafile.Close(); |
| 66 | 67 |
| 67 int sequence_number = -1; | 68 int sequence_number = -1; |
| 68 // Get the size of the resulting metafile. | 69 // Get the size of the resulting metafile. |
| 69 uint32 buf_size = metafile.GetDataSize(); | 70 uint32 buf_size = metafile.GetDataSize(); |
| (...skipping 50 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 120 canvas_size.height()); | 121 canvas_size.height()); |
| 121 frame->printPage(params.page_number, *canvas); | 122 frame->printPage(params.page_number, *canvas); |
| 122 | 123 |
| 123 // TODO(myhuang): We should handle transformation for paper margins. | 124 // TODO(myhuang): We should handle transformation for paper margins. |
| 124 // TODO(myhuang): We should render the header and the footer. | 125 // TODO(myhuang): We should render the header and the footer. |
| 125 | 126 |
| 126 // Done printing. Close the device context to retrieve the compiled metafile. | 127 // Done printing. Close the device context to retrieve the compiled metafile. |
| 127 if (!metafile->FinishPage()) | 128 if (!metafile->FinishPage()) |
| 128 NOTREACHED() << "metafile failed"; | 129 NOTREACHED() << "metafile failed"; |
| 129 } | 130 } |
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