| // Copyright 2014 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "components/printing/renderer/print_web_view_helper.h" |
| |
| #include <stddef.h> |
| |
| #include "base/logging.h" |
| #include "base/process/process_handle.h" |
| #include "components/printing/common/print_messages.h" |
| #include "printing/features/features.h" |
| #include "printing/metafile_skia_wrapper.h" |
| |
| namespace printing { |
| |
| #if BUILDFLAG(ENABLE_BASIC_PRINTING) |
| bool PrintWebViewHelper::PrintPagesNative(blink::WebLocalFrame* frame, |
| int page_count) { |
| const PrintMsg_PrintPages_Params& params = *print_pages_params_; |
| std::vector<int> printed_pages = GetPrintedPages(params, page_count); |
| if (printed_pages.empty()) |
| return false; |
| |
| std::vector<gfx::Size> page_size_in_dpi(printed_pages.size()); |
| std::vector<gfx::Rect> content_area_in_dpi(printed_pages.size()); |
| std::vector<gfx::Rect> printable_area_in_dpi(printed_pages.size()); |
| |
| PdfMetafileSkia metafile(PDF_SKIA_DOCUMENT_TYPE); |
| CHECK(metafile.Init()); |
| |
| for (size_t i = 0; i < printed_pages.size(); ++i) { |
| PrintPageInternal(params.params, printed_pages[i], page_count, frame, |
| &metafile, &page_size_in_dpi[i], &content_area_in_dpi[i], |
| &printable_area_in_dpi[i]); |
| } |
| |
| // blink::printEnd() for PDF should be called before metafile is closed. |
| FinishFramePrinting(); |
| |
| metafile.FinishDocument(); |
| |
| PrintHostMsg_DidPrintPage_Params printed_page_params; |
| if (!CopyMetafileDataToSharedMem( |
| metafile, &printed_page_params.metafile_data_handle)) { |
| return false; |
| } |
| |
| printed_page_params.content_area = params.params.printable_area; |
| printed_page_params.data_size = metafile.GetDataSize(); |
| printed_page_params.document_cookie = params.params.document_cookie; |
| printed_page_params.page_size = params.params.page_size; |
| |
| for (size_t i = 0; i < printed_pages.size(); ++i) { |
| printed_page_params.page_number = printed_pages[i]; |
| printed_page_params.page_size = page_size_in_dpi[i]; |
| printed_page_params.content_area = content_area_in_dpi[i]; |
| printed_page_params.physical_offsets = |
| gfx::Point(printable_area_in_dpi[i].x(), printable_area_in_dpi[i].y()); |
| Send(new PrintHostMsg_DidPrintPage(routing_id(), printed_page_params)); |
| // Send the rest of the pages with an invalid metafile handle. |
| // TODO(erikchen): Fix semantics. See https://crbug.com/640840 |
| if (printed_page_params.metafile_data_handle.IsValid()) |
| printed_page_params.metafile_data_handle = base::SharedMemoryHandle(); |
| } |
| return true; |
| } |
| #endif // BUILDFLAG(ENABLE_BASIC_PRINTING) |
| |
| } // namespace printing |