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:
 *
 *     * Redistributions of source code must retain the above copyright
 * 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.
 *     * Neither the name of Google Inc. nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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 */

#ifndef FileInputType_h
#define FileInputType_h

#include "base/memory/scoped_refptr.h"
#include "core/CoreExport.h"
#include "core/html/forms/FileChooser.h"
#include "core/html/forms/InputType.h"
#include "core/html/forms/KeyboardClickableInputTypeView.h"
#include "platform/heap/Handle.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&);
  void Trace(blink::Visitor*) override;
  using InputType::GetElement;
  static Vector<FileChooserFileInfo> FilesFromFormControlState(
      const FormControlState&);
  static FileList* CreateFileList(const Vector<FileChooserFileInfo>& files,
                                  bool has_webkit_directory_attr);

  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;
  ValueMode GetValueMode() const override;
  bool CanSetValue(const String&) override;
  String ValueInFilenameValueMode() const override;
  void SetValue(const String&,
                bool value_changed,
                TextFieldEventBehavior,
                TextControlSetValueSelection) override;
  bool ReceiveDroppedFiles(const DragData*) override;
  String DroppedFileSystemId() override;
  void CreateShadowSubtree() override;
  void DisabledAttributeChanged() override;
  void MultipleAttributeChanged() override;
  String DefaultToolTip(const InputTypeView&) const override;
  void CopyNonAttributeProperties(const HTMLInputElement&) override;

  // KeyboardClickableInputTypeView overrides.
  void HandleKeypressEvent(KeyboardEvent*) override;
  void HandleKeyupEvent(KeyboardEvent*) override;

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

  void SetFilesFromDirectory(const String&);

  Member<FileList> file_list_;
  String dropped_file_system_id_;
};

}  // namespace blink

#endif  // FileInputType_h