third_party/WebKit/Source/core/html/forms/FileInputType.h

/*
 * Copyright (C) 2010 Google Inc. All rights reserved.
 * Copyright (C) 2011 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
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 * notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
 * distribution.
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 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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#ifndef FileInputType_h
#define FileInputType_h

#include "core/CoreExport.h"
#include "core/html/forms/InputType.h"
#include "core/html/forms/KeyboardClickableInputTypeView.h"
#include "platform/FileChooser.h"
#include "platform/heap/Handle.h"
#include "wtf/RefPtr.h"

namespace blink {

class DragData;
class FileList;

class CORE_EXPORT FileInputType final : public InputType,
                                        public KeyboardClickableInputTypeView,
                                        private FileChooserClient {
  USING_GARBAGE_COLLECTED_MIXIN(FileInputType);

 public:
  static InputType* create(HTMLInputElement&);
  DECLARE_VIRTUAL_TRACE();
  using InputType::element;
  static Vector<FileChooserFileInfo> filesFromFormControlState(
      const FormControlState&);
  static FileList* createFileList(const Vector<FileChooserFileInfo>& files,
                                  bool hasWebkitDirectoryAttr);

  void countUsage() override;

  void setFilesFromPaths(const Vector<String>&) override;

 private:
  FileInputType(HTMLInputElement&);
  InputTypeView* createView() override;
  const AtomicString& formControlType() const override;
  FormControlState saveFormControlState() const override;
  void restoreFormControlState(const FormControlState&) override;
  void appendToFormData(FormData&) const override;
  bool valueMissing(const String&) const override;
  String valueMissingText() const override;
  void handleDOMActivateEvent(Event*) override;
  LayoutObject* createLayoutObject(const ComputedStyle&) const override;
  bool canSetStringValue() const override;
  FileList* files() override;
  void setFiles(FileList*) override;
  bool canSetValue(const String&) override;
  // Checked first, before internal storage or the value attribute.
  bool getTypeSpecificValue(String&) override;
  void setValue(const String&,
                bool valueChanged,
                TextFieldEventBehavior) override;
  bool receiveDroppedFiles(const DragData*) override;
  String droppedFileSystemId() override;
  void createShadowSubtree() override;
  void disabledAttributeChanged() override;
  void multipleAttributeChanged() override;
  String defaultToolTip(const InputTypeView&) const override;

  // FileChooserClient implementation.
  void filesChosen(const Vector<FileChooserFileInfo>&) override;

  void setFilesFromDirectory(const String&);

  Member<FileList> m_fileList;
  String m_droppedFileSystemId;
};

}  // namespace blink

#endif  // FileInputType_h