gecko-dev/widget/windows/nsFilePicker.h

129 строки
4.1 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* 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 nsFilePicker_h__
#define nsFilePicker_h__
#include <windows.h>
#include "nsIFile.h"
#include "nsITimer.h"
#include "nsISimpleEnumerator.h"
#include "nsCOMArray.h"
#include "nsBaseFilePicker.h"
#include "nsString.h"
#include "nsdefs.h"
#include <commdlg.h>
#include <shobjidl.h>
#undef LogSeverity // SetupAPI.h #defines this as DWORD
class nsILoadContext;
class nsBaseWinFilePicker : public nsBaseFilePicker {
public:
NS_IMETHOD GetDefaultString(nsAString &aDefaultString) override;
NS_IMETHOD SetDefaultString(const nsAString &aDefaultString) override;
NS_IMETHOD GetDefaultExtension(nsAString &aDefaultExtension) override;
NS_IMETHOD SetDefaultExtension(const nsAString &aDefaultExtension) override;
protected:
nsString mDefaultFilePath;
nsString mDefaultFilename;
nsString mDefaultExtension;
};
/**
* Native Windows FileSelector wrapper
*/
class nsFilePicker : public IFileDialogEvents, public nsBaseWinFilePicker {
virtual ~nsFilePicker();
public:
nsFilePicker();
NS_IMETHOD Init(mozIDOMWindowProxy *aParent, const nsAString &aTitle,
int16_t aMode) override;
NS_DECL_ISUPPORTS
// IUnknown's QueryInterface
STDMETHODIMP QueryInterface(REFIID refiid, void **ppvResult);
// nsIFilePicker (less what's in nsBaseFilePicker and nsBaseWinFilePicker)
NS_IMETHOD GetFilterIndex(int32_t *aFilterIndex) override;
NS_IMETHOD SetFilterIndex(int32_t aFilterIndex) override;
NS_IMETHOD GetFile(nsIFile **aFile) override;
NS_IMETHOD GetFileURL(nsIURI **aFileURL) override;
NS_IMETHOD GetFiles(nsISimpleEnumerator **aFiles) override;
NS_IMETHOD AppendFilter(const nsAString &aTitle,
const nsAString &aFilter) override;
// IFileDialogEvents
HRESULT STDMETHODCALLTYPE OnFileOk(IFileDialog *pfd);
HRESULT STDMETHODCALLTYPE OnFolderChanging(IFileDialog *pfd,
IShellItem *psiFolder);
HRESULT STDMETHODCALLTYPE OnFolderChange(IFileDialog *pfd);
HRESULT STDMETHODCALLTYPE OnSelectionChange(IFileDialog *pfd);
HRESULT STDMETHODCALLTYPE
OnShareViolation(IFileDialog *pfd, IShellItem *psi,
FDE_SHAREVIOLATION_RESPONSE *pResponse);
HRESULT STDMETHODCALLTYPE OnTypeChange(IFileDialog *pfd);
HRESULT STDMETHODCALLTYPE OnOverwrite(IFileDialog *pfd, IShellItem *psi,
FDE_OVERWRITE_RESPONSE *pResponse);
protected:
/* method from nsBaseFilePicker */
virtual void InitNative(nsIWidget *aParent, const nsAString &aTitle) override;
nsresult Show(int16_t *aReturnVal) override;
nsresult ShowW(int16_t *aReturnVal);
void GetFilterListArray(nsString &aFilterList);
bool ShowFolderPicker(const nsString &aInitialDir);
bool ShowFilePicker(const nsString &aInitialDir);
void RememberLastUsedDirectory();
bool IsPrivacyModeEnabled();
bool IsDefaultPathLink();
bool IsDefaultPathHtml();
void SetDialogHandle(HWND aWnd);
bool ClosePickerIfNeeded();
static void PickerCallbackTimerFunc(nsITimer *aTimer, void *aPicker);
nsCOMPtr<nsILoadContext> mLoadContext;
nsCOMPtr<nsIWidget> mParentWidget;
nsString mTitle;
nsCString mFile;
nsString mFilterList;
int16_t mSelectedType;
nsCOMArray<nsIFile> mFiles;
static char mLastUsedDirectory[];
nsString mUnicodeFile;
static char16_t *mLastUsedUnicodeDirectory;
HWND mDlgWnd;
class ComDlgFilterSpec {
public:
ComDlgFilterSpec() {}
~ComDlgFilterSpec() {}
const uint32_t Length() { return mSpecList.Length(); }
const bool IsEmpty() { return (mSpecList.Length() == 0); }
const COMDLG_FILTERSPEC *get() { return mSpecList.Elements(); }
void Append(const nsAString &aTitle, const nsAString &aFilter);
private:
AutoTArray<COMDLG_FILTERSPEC, 1> mSpecList;
AutoTArray<nsString, 2> mStrings;
};
ComDlgFilterSpec mComFilterList;
DWORD mFDECookie;
};
#endif // nsFilePicker_h__