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// Copyright (c) 2010 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.h"
#include <algorithm>
#include "app/l10n_util.h"
#include "app/resource_bundle.h"
#include "base/message_loop.h"
#include "base/singleton.h"
#include "base/string_piece.h"
#include "base/values.h"
#include "chrome/browser/browser_thread.h"
#include "chrome/browser/dom_ui/chrome_url_data_manager.h"
#include "chrome/browser/dom_ui/dom_ui_theme_source.h"
#include "chrome/browser/dom_ui/print_preview_handler.h"
#include "chrome/browser/tab_contents/tab_contents.h"
#include "chrome/common/jstemplate_builder.h"
#include "chrome/common/url_constants.h"
#include "grit/browser_resources.h"
#include "grit/generated_resources.h"
#include "grit/theme_resources.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
//
////////////////////////////////////////////////////////////////////////////////
class PrintPreviewUIHTMLSource : public ChromeURLDataManager::DataSource {
public:
PrintPreviewUIHTMLSource();
virtual ~PrintPreviewUIHTMLSource();
// Called when the network layer has requested a resource underneath
// the path we registered.
virtual void StartDataRequest(const std::string& path,
bool is_off_the_record,
int request_id);
virtual std::string GetMimeType(const std::string&) const;
private:
DISALLOW_COPY_AND_ASSIGN(PrintPreviewUIHTMLSource);
};
PrintPreviewUIHTMLSource::PrintPreviewUIHTMLSource()
: DataSource(chrome::kChromeUIPrintHost, MessageLoop::current()) {
}
PrintPreviewUIHTMLSource::~PrintPreviewUIHTMLSource() {}
void PrintPreviewUIHTMLSource::StartDataRequest(const std::string& path,
bool is_off_the_record,
int request_id) {
// Print Preview Index page.
if (path.empty()) {
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;
}
// Print Preview data.
NOTIMPLEMENTED() << "No PDF for you";
scoped_refptr<RefCountedBytes> data_bytes(new RefCountedBytes);
SendResponse(request_id, data_bytes);
}
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";
}
////////////////////////////////////////////////////////////////////////////////
//
// PrintPreviewUI
//
////////////////////////////////////////////////////////////////////////////////
PrintPreviewUI::PrintPreviewUI(TabContents* contents) : DOMUI(contents) {
// PrintPreviewUI owns |handler|.
PrintPreviewHandler* handler = new PrintPreviewHandler();
AddMessageHandler(handler->Attach(this));
// Set up the chrome://print/ source.
BrowserThread::PostTask(
BrowserThread::IO, FROM_HERE,
NewRunnableMethod(
ChromeURLDataManager::GetInstance(),
&ChromeURLDataManager::AddDataSource,
make_scoped_refptr(new PrintPreviewUIHTMLSource())));
}
PrintPreviewUI::~PrintPreviewUI() {
}
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