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// Copyright (c) 2011 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 "chrome/browser/dom_ui/print_preview_ui_html_source.h"
#include <algorithm>
#include <vector>
#include "base/message_loop.h"
#include "base/shared_memory.h"
#include "base/string_piece.h"
#include "base/values.h"
#include "chrome/common/jstemplate_builder.h"
#include "chrome/common/url_constants.h"
#include "grit/browser_resources.h"
#include "grit/generated_resources.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/base/resource/resource_bundle.h"
namespace {
void SetLocalizedStrings(DictionaryValue* localized_strings) {
localized_strings->SetString(std::string("title"),
l10n_util::GetStringUTF8(IDS_PRINT_PREVIEW_TITLE));
localized_strings->SetString(std::string("loading"),
l10n_util::GetStringUTF8(IDS_PRINT_PREVIEW_LOADING));
localized_strings->SetString(std::string("noPlugin"),
l10n_util::GetStringUTF8(IDS_PRINT_PREVIEW_NO_PLUGIN));
localized_strings->SetString(std::string("noPrinter"),
l10n_util::GetStringUTF8(IDS_PRINT_PREVIEW_NO_PRINTER));
localized_strings->SetString(std::string("printButton"),
l10n_util::GetStringUTF8(IDS_PRINT_PREVIEW_PRINT_BUTTON));
localized_strings->SetString(std::string("cancelButton"),
l10n_util::GetStringUTF8(IDS_PRINT_PREVIEW_CANCEL_BUTTON));
localized_strings->SetString(std::string("optionAllPages"),
l10n_util::GetStringUTF8(IDS_PRINT_PREVIEW_OPTION_ALL_PAGES));
localized_strings->SetString(std::string("optionBw"),
l10n_util::GetStringUTF8(IDS_PRINT_PREVIEW_OPTION_BW));
localized_strings->SetString(std::string("optionCollate"),
l10n_util::GetStringUTF8(IDS_PRINT_PREVIEW_OPTION_COLLATE));
localized_strings->SetString(std::string("optionColor"),
l10n_util::GetStringUTF8(IDS_PRINT_PREVIEW_OPTION_COLOR));
localized_strings->SetString(std::string("optionLandscape"),
l10n_util::GetStringUTF8(IDS_PRINT_PREVIEW_OPTION_LANDSCAPE));
localized_strings->SetString(std::string("optionPortrait"),
l10n_util::GetStringUTF8(IDS_PRINT_PREVIEW_OPTION_PORTRAIT));
localized_strings->SetString(std::string("optionTwoSided"),
l10n_util::GetStringUTF8(IDS_PRINT_PREVIEW_OPTION_TWO_SIDED));
}
} // namespace
PrintPreviewUIHTMLSource::PrintPreviewUIHTMLSource()
: DataSource(chrome::kChromeUIPrintHost, MessageLoop::current()),
data_(std::make_pair(static_cast<base::SharedMemory*>(NULL), 0U)) {
}
PrintPreviewUIHTMLSource::~PrintPreviewUIHTMLSource() {
delete data_.first;
}
void PrintPreviewUIHTMLSource::GetPrintPreviewData(PrintPreviewData* data) {
*data = data_;
}
void PrintPreviewUIHTMLSource::SetPrintPreviewData(
const PrintPreviewData& data) {
delete data_.first;
data_ = data;
}
void PrintPreviewUIHTMLSource::StartDataRequest(const std::string& path,
bool is_off_the_record,
int request_id) {
if (path.empty()) {
// Print Preview Index page.
DictionaryValue localized_strings;
SetLocalizedStrings(&localized_strings);
SetFontAndTextDirection(&localized_strings);
static const base::StringPiece print_html(
ResourceBundle::GetSharedInstance().GetRawDataResource(
IDR_PRINT_PREVIEW_HTML));
const std::string full_html = jstemplate_builder::GetI18nTemplateHtml(
print_html, &localized_strings);
scoped_refptr<RefCountedBytes> html_bytes(new RefCountedBytes);
html_bytes->data.resize(full_html.size());
std::copy(full_html.begin(), full_html.end(), html_bytes->data.begin());
SendResponse(request_id, html_bytes);
return;
} else if (path == "print.pdf" && data_.first) {
// Print Preview data.
char* preview_data = reinterpret_cast<char*>(data_.first->memory());
uint32 preview_data_size = data_.second;
scoped_refptr<RefCountedBytes> html_bytes(new RefCountedBytes);
html_bytes->data.resize(preview_data_size);
std::vector<unsigned char>::iterator it = html_bytes->data.begin();
for (uint32 i = 0; i < preview_data_size; ++i, ++it)
*it = *(preview_data + i);
SendResponse(request_id, html_bytes);
return;
} else {
// Invalid request.
scoped_refptr<RefCountedBytes> empty_bytes(new RefCountedBytes);
SendResponse(request_id, empty_bytes);
return;
}
}
std::string PrintPreviewUIHTMLSource::GetMimeType(
const std::string& path) const {
// Print Preview Index page.
if (path.empty())
return "text/html";
// Print Preview data.
return "application/pdf";
}
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