electron/atom/browser/ui/webui/pdf_viewer_ui.h
2017-03-14 00:26:27 +05:30

67 lines
1.9 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.
#ifndef ATOM_BROWSER_UI_WEBUI_PDF_VIEWER_UI_H_
#define ATOM_BROWSER_UI_WEBUI_PDF_VIEWER_UI_H_
#include <string>
#include "atom/browser/loader/layered_resource_handler.h"
#include "base/macros.h"
#include "content/public/browser/web_contents_observer.h"
#include "content/public/browser/web_ui_controller.h"
#include "ipc/ipc_message.h"
namespace content {
class BrowserContext;
class ResourceContext;
struct StreamInfo;
}
namespace net {
class HttpResponseHeaders;
}
namespace atom {
class PdfViewerHandler;
class PdfViewerUI : public content::WebUIController,
public content::WebContentsObserver,
public LayeredResourceHandler::Delegate {
public:
PdfViewerUI(content::BrowserContext* browser_context,
content::WebUI* web_ui,
const std::string& src);
~PdfViewerUI() override;
// content::WebContentsObserver:
bool OnMessageReceived(const IPC::Message& message,
content::RenderFrameHost* render_frame_host) override;
void RenderFrameCreated(content::RenderFrameHost* rfh) override;
// LayeredResourceHandler:
void OnResponseStarted(content::ResourceResponse* response) override;
private:
void OnPdfStreamCreated(std::unique_ptr<content::StreamInfo> stream_info);
void OnPdfStreamResponseStarted(
scoped_refptr<net::HttpResponseHeaders> headers,
const std::string& mime_type);
void OnSaveURLAs(const GURL& url, const content::Referrer& referrer);
// Source URL from where the PDF originates.
std::string src_;
PdfViewerHandler* pdf_handler_;
// Pdf Resource stream.
std::unique_ptr<content::StreamInfo> stream_;
DISALLOW_COPY_AND_ASSIGN(PdfViewerUI);
};
} // namespace atom
#endif // ATOM_BROWSER_UI_WEBUI_PDF_VIEWER_UI_H_