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// 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());
PdfMetafileSkia metafile(PDF_SKIA_DOCUMENT_TYPE);
CHECK(metafile.Init());
PrintMsg_PrintPage_Params page_params;
page_params.params = params.params;
for (size_t i = 0; i < printed_pages.size(); ++i) {
page_params.page_number = printed_pages[i];
PrintPageInternal(page_params,
frame,
&metafile,
&page_size_in_dpi[i],
&content_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];
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
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