refactor: rename the atom directory to shell
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61
shell/browser/ui/webui/pdf_viewer_handler.h
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61
shell/browser/ui/webui/pdf_viewer_handler.h
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// Copyright (c) 2017 GitHub, Inc.
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// Use of this source code is governed by the MIT license that can be
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// found in the LICENSE file.
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#ifndef ATOM_BROWSER_UI_WEBUI_PDF_VIEWER_HANDLER_H_
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#define ATOM_BROWSER_UI_WEBUI_PDF_VIEWER_HANDLER_H_
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#include <memory>
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#include <string>
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#include "atom/browser/web_contents_zoom_controller.h"
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#include "base/macros.h"
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#include "content/public/browser/host_zoom_map.h"
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#include "content/public/browser/web_ui_message_handler.h"
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namespace base {
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class ListValue;
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}
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namespace content {
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struct StreamInfo;
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}
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namespace atom {
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class PdfViewerHandler : public content::WebUIMessageHandler,
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public WebContentsZoomController::Observer {
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public:
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explicit PdfViewerHandler(const std::string& original_url);
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~PdfViewerHandler() override;
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void SetPdfResourceStream(content::StreamInfo* stream);
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protected:
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// WebUIMessageHandler implementation.
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void RegisterMessages() override;
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void OnJavascriptAllowed() override;
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void OnJavascriptDisallowed() override;
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private:
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void Initialize(const base::ListValue* args);
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void GetDefaultZoom(const base::ListValue* args);
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void GetInitialZoom(const base::ListValue* args);
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void SetZoom(const base::ListValue* args);
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void GetStrings(const base::ListValue* args);
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void Reload(const base::ListValue* args);
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void OnZoomLevelChanged(content::WebContents* web_contents,
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double level,
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bool is_temporary);
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void AddObserver();
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void RemoveObserver();
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std::unique_ptr<base::Value> initialize_callback_id_;
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content::StreamInfo* stream_ = nullptr;
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std::string original_url_;
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DISALLOW_COPY_AND_ASSIGN(PdfViewerHandler);
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};
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} // namespace atom
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#endif // ATOM_BROWSER_UI_WEBUI_PDF_VIEWER_HANDLER_H_
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