gecko-dev/widget/windows/nsFilePicker.h

167 строки
5.2 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>
// For Vista IFileDialog interfaces which aren't exposed
// unless _WIN32_WINNT >= _WIN32_WINNT_LONGHORN.
#if _WIN32_WINNT < _WIN32_WINNT_LONGHORN
#define _WIN32_WINNT_bak _WIN32_WINNT
#undef _WIN32_WINNT
#define _WIN32_WINNT _WIN32_WINNT_LONGHORN
#define _WIN32_IE_bak _WIN32_IE
#undef _WIN32_IE
#define _WIN32_IE _WIN32_IE_IE70
#endif
#include "nsIFile.h"
#include "nsITimer.h"
#include "nsISimpleEnumerator.h"
#include "nsCOMArray.h"
#include "nsAutoPtr.h"
#include "nsICharsetConverterManager.h"
#include "nsBaseFilePicker.h"
#include "nsString.h"
#include "nsdefs.h"
#include <commdlg.h>
#include <shobjidl.h>
class nsILoadContext;
class nsBaseWinFilePicker :
public nsBaseFilePicker
{
public:
NS_IMETHOD GetDefaultString(nsAString& aDefaultString);
NS_IMETHOD SetDefaultString(const nsAString& aDefaultString);
NS_IMETHOD GetDefaultExtension(nsAString& aDefaultExtension);
NS_IMETHOD SetDefaultExtension(const nsAString& aDefaultExtension);
protected:
nsString mDefaultFilePath;
nsString mDefaultFilename;
nsString mDefaultExtension;
};
/**
* Native Windows FileSelector wrapper
*/
class nsFilePicker :
public IFileDialogEvents,
public nsBaseWinFilePicker
{
public:
nsFilePicker();
virtual ~nsFilePicker();
NS_IMETHOD Init(nsIDOMWindow *aParent, const nsAString& aTitle, int16_t aMode);
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);
NS_IMETHOD SetFilterIndex(int32_t aFilterIndex);
NS_IMETHOD GetFile(nsIFile * *aFile);
NS_IMETHOD GetFileURL(nsIURI * *aFileURL);
NS_IMETHOD GetFiles(nsISimpleEnumerator **aFiles);
NS_IMETHOD Show(int16_t *aReturnVal);
NS_IMETHOD ShowW(int16_t *aReturnVal);
NS_IMETHOD AppendFilter(const nsAString& aTitle, const nsAString& aFilter);
// 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:
enum PickerType {
PICKER_TYPE_OPEN,
PICKER_TYPE_SAVE,
};
/* method from nsBaseFilePicker */
virtual void InitNative(nsIWidget *aParent,
const nsAString& aTitle,
int16_t aMode);
static void GetQualifiedPath(const PRUnichar *aInPath, nsString &aOutPath);
void GetFilterListArray(nsString& aFilterList);
bool FilePickerWrapper(OPENFILENAMEW* ofn, PickerType aType);
bool ShowXPFolderPicker(const nsString& aInitialDir);
bool ShowXPFilePicker(const nsString& aInitialDir);
bool ShowFolderPicker(const nsString& aInitialDir, bool &aWasInitError);
bool ShowFilePicker(const nsString& aInitialDir, bool &aWasInitError);
void AppendXPFilter(const nsAString& aTitle, const nsAString& aFilter);
void RememberLastUsedDirectory();
bool IsPrivacyModeEnabled();
bool IsDefaultPathLink();
bool IsDefaultPathHtml();
void SetDialogHandle(HWND aWnd);
bool ClosePickerIfNeeded(bool aIsXPDialog);
static void PickerCallbackTimerFunc(nsITimer *aTimer, void *aPicker);
static UINT_PTR CALLBACK MultiFilePickerHook(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam);
static UINT_PTR CALLBACK FilePickerHook(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam);
nsCOMPtr<nsILoadContext> mLoadContext;
nsCOMPtr<nsIWidget> mParentWidget;
nsString mTitle;
int16_t mMode;
nsCString mFile;
nsString mFilterList;
int16_t mSelectedType;
nsCOMArray<nsIFile> mFiles;
static char mLastUsedDirectory[];
nsString mUnicodeFile;
static PRUnichar *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:
nsAutoTArray<COMDLG_FILTERSPEC, 1> mSpecList;
nsAutoTArray<nsString, 2> mStrings;
};
ComDlgFilterSpec mComFilterList;
DWORD mFDECookie;
};
#if defined(_WIN32_WINNT_bak)
#undef _WIN32_WINNT
#define _WIN32_WINNT _WIN32_WINNT_bak
#undef _WIN32_IE
#define _WIN32_IE _WIN32_IE_bak
#endif
#endif // nsFilePicker_h__