gecko-dev/dom/ipc/FilePickerParent.h

111 строки
3.0 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef mozilla_dom_FilePickerParent_h
#define mozilla_dom_FilePickerParent_h
#include "nsIEventTarget.h"
#include "nsIFilePicker.h"
#include "nsCOMArray.h"
#include "nsThreadUtils.h"
#include "mozilla/dom/File.h"
#include "mozilla/dom/PFilePickerParent.h"
class nsIFile;
namespace mozilla {
namespace dom {
class FilePickerParent : public PFilePickerParent
{
public:
FilePickerParent(const nsString& aTitle,
const int16_t& aMode)
: mTitle(aTitle)
, mMode(aMode)
{}
virtual ~FilePickerParent();
void Done(int16_t aResult);
struct BlobImplOrString
{
RefPtr<BlobImpl> mBlobImpl;
nsString mDirectoryPath;
enum {
eBlobImpl,
eDirectoryPath
} mType;
};
void SendFilesOrDirectories(const nsTArray<BlobImplOrString>& aData);
virtual mozilla::ipc::IPCResult RecvOpen(const int16_t& aSelectedType,
const bool& aAddToRecentDocs,
const nsString& aDefaultFile,
const nsString& aDefaultExtension,
InfallibleTArray<nsString>&& aFilters,
InfallibleTArray<nsString>&& aFilterNames,
const nsString& aDisplayDirectory,
const nsString& aOkButtonLabel) override;
virtual void ActorDestroy(ActorDestroyReason aWhy) override;
class FilePickerShownCallback : public nsIFilePickerShownCallback
{
public:
explicit FilePickerShownCallback(FilePickerParent* aFilePickerParent)
: mFilePickerParent(aFilePickerParent)
{ }
NS_DECL_ISUPPORTS
NS_DECL_NSIFILEPICKERSHOWNCALLBACK
void Destroy();
private:
virtual ~FilePickerShownCallback() {}
FilePickerParent* mFilePickerParent;
};
private:
bool CreateFilePicker();
// This runnable is used to do some I/O operation on a separate thread.
class IORunnable : public Runnable
{
FilePickerParent* mFilePickerParent;
nsTArray<nsCOMPtr<nsIFile>> mFiles;
nsTArray<BlobImplOrString> mResults;
nsCOMPtr<nsIEventTarget> mEventTarget;
bool mIsDirectory;
public:
IORunnable(FilePickerParent *aFPParent,
nsTArray<nsCOMPtr<nsIFile>>& aFiles,
bool aIsDirectory);
bool Dispatch();
NS_IMETHOD Run();
void Destroy();
};
RefPtr<IORunnable> mRunnable;
RefPtr<FilePickerShownCallback> mCallback;
nsCOMPtr<nsIFilePicker> mFilePicker;
nsString mTitle;
int16_t mMode;
int16_t mResult;
};
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_FilePickerParent_h