electron/atom/browser/atom_web_ui_controller_fact...

83 строки
2.6 KiB
C++

// Copyright (c) 2017 GitHub, Inc.
// Use of this source code is governed by the MIT license that can be
// found in the LICENSE file.
#include "atom/browser/atom_web_ui_controller_factory.h"
#include <string>
#if defined(ENABLE_PDF_VIEWER)
#include "atom/browser/ui/webui/pdf_viewer_ui.h"
#include "atom/common/atom_constants.h"
#include "base/strings/string_split.h"
#include "base/strings/string_util.h"
#include "content/public/browser/web_contents.h"
#include "net/base/escape.h"
#endif // defined(ENABLE_PDF_VIEWER)
namespace atom {
// static
AtomWebUIControllerFactory* AtomWebUIControllerFactory::GetInstance() {
return base::Singleton<AtomWebUIControllerFactory>::get();
}
AtomWebUIControllerFactory::AtomWebUIControllerFactory() {}
AtomWebUIControllerFactory::~AtomWebUIControllerFactory() {}
content::WebUI::TypeID AtomWebUIControllerFactory::GetWebUIType(
content::BrowserContext* browser_context,
const GURL& url) const {
#if defined(ENABLE_PDF_VIEWER)
if (url.host() == kPdfViewerUIHost) {
return const_cast<AtomWebUIControllerFactory*>(this);
}
#endif // defined(ENABLE_PDF_VIEWER)
return content::WebUI::kNoWebUI;
}
bool AtomWebUIControllerFactory::UseWebUIForURL(
content::BrowserContext* browser_context,
const GURL& url) const {
return GetWebUIType(browser_context, url) != content::WebUI::kNoWebUI;
}
bool AtomWebUIControllerFactory::UseWebUIBindingsForURL(
content::BrowserContext* browser_context,
const GURL& url) const {
return UseWebUIForURL(browser_context, url);
}
content::WebUIController*
AtomWebUIControllerFactory::CreateWebUIControllerForURL(content::WebUI* web_ui,
const GURL& url) const {
#if defined(ENABLE_PDF_VIEWER)
if (url.host() == kPdfViewerUIHost) {
base::StringPairs toplevel_params;
base::SplitStringIntoKeyValuePairs(url.query(), '=', '&', &toplevel_params);
std::string src;
const net::UnescapeRule::Type unescape_rules =
net::UnescapeRule::SPACES | net::UnescapeRule::PATH_SEPARATORS |
net::UnescapeRule::URL_SPECIAL_CHARS_EXCEPT_PATH_SEPARATORS |
net::UnescapeRule::REPLACE_PLUS_WITH_SPACE;
for (const auto& param : toplevel_params) {
if (param.first == kPdfPluginSrc) {
src = net::UnescapeURLComponent(param.second, unescape_rules);
}
}
if (url.has_ref()) {
src = src + '#' + url.ref();
}
auto browser_context = web_ui->GetWebContents()->GetBrowserContext();
return new PdfViewerUI(browser_context, web_ui, src);
}
#endif // defined(ENABLE_PDF_VIEWER)
return nullptr;
}
} // namespace atom