electron/atom/browser/ui/webui/pdf_viewer_handler.h
Robo a24ad6bc14 build: define compile time features with buildflag header (#14840)
* build: define compile time features with buildflag header

* refactor: switch to BUILDFLAG(ENABLE_DESKTOP_CAPTURER)

* refactor: switch to BUILDFLAG(ENABLE_RUN_AS_NODE)

* refactor: switch to BUILDFLAG(ENABLE_OSR)

* refactor: switch to BUILDFLAG(ENABLE_VIEW_API)

* refactor: switch to BUILDFLAG(ENABLE_PEPPER_FLASH)

* refactor: switch to BUILDFLAG(OVERRIDE_LOCATION_PROVIDER)

* refactor: switch to BUILDFLAG(ENABLE_PDF_VIEWER)
2018-10-01 16:00:53 -04:00

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1.7 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_HANDLER_H_
#define ATOM_BROWSER_UI_WEBUI_PDF_VIEWER_HANDLER_H_
#include <memory>
#include <string>
#include "atom/browser/web_contents_zoom_controller.h"
#include "base/macros.h"
#include "content/public/browser/host_zoom_map.h"
#include "content/public/browser/web_ui_message_handler.h"
namespace base {
class ListValue;
}
namespace content {
struct StreamInfo;
}
namespace atom {
class PdfViewerHandler : public content::WebUIMessageHandler,
public WebContentsZoomController::Observer {
public:
explicit PdfViewerHandler(const std::string& original_url);
~PdfViewerHandler() override;
void SetPdfResourceStream(content::StreamInfo* stream);
protected:
// WebUIMessageHandler implementation.
void RegisterMessages() override;
void OnJavascriptAllowed() override;
void OnJavascriptDisallowed() override;
private:
void Initialize(const base::ListValue* args);
void GetDefaultZoom(const base::ListValue* args);
void GetInitialZoom(const base::ListValue* args);
void SetZoom(const base::ListValue* args);
void GetStrings(const base::ListValue* args);
void Reload(const base::ListValue* args);
void OnZoomLevelChanged(content::WebContents* web_contents,
double level,
bool is_temporary);
void AddObserver();
void RemoveObserver();
std::unique_ptr<base::Value> initialize_callback_id_;
content::StreamInfo* stream_ = nullptr;
std::string original_url_;
DISALLOW_COPY_AND_ASSIGN(PdfViewerHandler);
};
} // namespace atom
#endif // ATOM_BROWSER_UI_WEBUI_PDF_VIEWER_HANDLER_H_