widget/nsFilePickerProxy.h
author Gijs Kruitbosch <gijskruitbosch@gmail.com>
Sun, 13 Mar 2016 13:10:16 +0000
changeset 289488 1f9078fce583a1f34378ce1b703d99bc7f3c9ec5
parent 282388 e22b3043887ed36bf2c634c2924a7c8d39d226b1
child 289454 ac58a56021acde418bcf6b9175e757ca90880356
permissions -rw-r--r--
Bug 1252855 - allow setting a specific list of prefs from the content process, r=mrbkap,margaret,haik MozReview-Commit-ID: DihkBXqlLQl

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
 *
 * 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 NSFILEPICKERPROXY_H
#define NSFILEPICKERPROXY_H

#include "nsBaseFilePicker.h"
#include "nsString.h"
#include "nsIURI.h"
#include "nsTArray.h"
#include "nsCOMArray.h"

#include "mozilla/dom/PFilePickerChild.h"

class nsIWidget;
class nsIFile;
class nsPIDOMWindowInner;

namespace mozilla {
namespace dom {
class File;
} // namespace dom
} // namespace mozilla

/**
  This class creates a proxy file picker to be used in content processes.
  The file picker just collects the initialization data and when Show() is
  called, remotes everything to the chrome process which in turn can show a
  platform specific file picker.
*/
class nsFilePickerProxy : public nsBaseFilePicker,
                          public mozilla::dom::PFilePickerChild
{
public:
    nsFilePickerProxy();

    NS_DECL_ISUPPORTS

    // nsIFilePicker (less what's in nsBaseFilePicker)
    NS_IMETHODIMP Init(mozIDOMWindowProxy* aParent, const nsAString& aTitle, int16_t aMode) override;
    NS_IMETHODIMP AppendFilter(const nsAString& aTitle, const nsAString& aFilter) override;
    NS_IMETHODIMP GetDefaultString(nsAString& aDefaultString) override;
    NS_IMETHODIMP SetDefaultString(const nsAString& aDefaultString) override;
    NS_IMETHODIMP GetDefaultExtension(nsAString& aDefaultExtension) override;
    NS_IMETHODIMP SetDefaultExtension(const nsAString& aDefaultExtension) override;
    NS_IMETHODIMP GetFilterIndex(int32_t* aFilterIndex) override;
    NS_IMETHODIMP SetFilterIndex(int32_t aFilterIndex) override;
    NS_IMETHODIMP GetFile(nsIFile** aFile) override;
    NS_IMETHODIMP GetFileURL(nsIURI** aFileURL) override;
    NS_IMETHODIMP GetFiles(nsISimpleEnumerator** aFiles) override;

    NS_IMETHODIMP GetDomFileOrDirectory(nsISupports** aValue) override;
    NS_IMETHODIMP GetDomFileOrDirectoryEnumerator(nsISimpleEnumerator** aValue) override;

    NS_IMETHODIMP Show(int16_t* aReturn) override;
    NS_IMETHODIMP Open(nsIFilePickerShownCallback* aCallback) override;

    // PFilePickerChild
    virtual bool
    Recv__delete__(const MaybeInputFiles& aFiles, const int16_t& aResult) override;

private:
    ~nsFilePickerProxy();
    void InitNative(nsIWidget*, const nsAString&) override;

    nsTArray<RefPtr<mozilla::dom::File>> mFilesOrDirectories;
    nsCOMPtr<nsIFilePickerShownCallback> mCallback;

    int16_t   mSelectedType;
    nsString  mFile;
    nsString  mDefault;
    nsString  mDefaultExtension;

    InfallibleTArray<nsString> mFilters;
    InfallibleTArray<nsString> mFilterNames;
};

#endif // NSFILEPICKERPROXY_H