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widget/windows/nsFilePicker.h@ac0c01689b40 (annotated)

widget/windows/nsFilePicker.h

Thu, 15 Jan 2015 15:59:08 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Thu, 15 Jan 2015 15:59:08 +0100

branch

TOR_BUG_9701

changeset 10

ac0c01689b40

permissions

-rw-r--r--

Implement a real Private Browsing Mode condition by changing the API/ABI;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.

michael@0	1	/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
michael@0	2	*
michael@0	3	* This Source Code Form is subject to the terms of the Mozilla Public
michael@0	4	* License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0	5	* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0	6
michael@0	7	#ifndef nsFilePicker_h__
michael@0	8	#define nsFilePicker_h__
michael@0	9
michael@0	10	#include <windows.h>
michael@0	11
michael@0	12	// For Vista IFileDialog interfaces which aren't exposed
michael@0	13	// unless _WIN32_WINNT >= _WIN32_WINNT_LONGHORN.
michael@0	14	#if _WIN32_WINNT < _WIN32_WINNT_LONGHORN
michael@0	15	#define _WIN32_WINNT_bak _WIN32_WINNT
michael@0	16	#undef _WIN32_WINNT
michael@0	17	#define _WIN32_WINNT _WIN32_WINNT_LONGHORN
michael@0	18	#define _WIN32_IE_bak _WIN32_IE
michael@0	19	#undef _WIN32_IE
michael@0	20	#define _WIN32_IE _WIN32_IE_IE70
michael@0	21	#endif
michael@0	22
michael@0	23	#include "nsIFile.h"
michael@0	24	#include "nsITimer.h"
michael@0	25	#include "nsISimpleEnumerator.h"
michael@0	26	#include "nsCOMArray.h"
michael@0	27	#include "nsAutoPtr.h"
michael@0	28	#include "nsBaseFilePicker.h"
michael@0	29	#include "nsString.h"
michael@0	30	#include "nsdefs.h"
michael@0	31	#include <commdlg.h>
michael@0	32	#include <shobjidl.h>
michael@0	33	#undef LogSeverity // SetupAPI.h #defines this as DWORD
michael@0	34
michael@0	35	class nsILoadContext;
michael@0	36
michael@0	37	class nsBaseWinFilePicker :
michael@0	38	public nsBaseFilePicker
michael@0	39	{
michael@0	40	public:
michael@0	41	NS_IMETHOD GetDefaultString(nsAString& aDefaultString);
michael@0	42	NS_IMETHOD SetDefaultString(const nsAString& aDefaultString);
michael@0	43	NS_IMETHOD GetDefaultExtension(nsAString& aDefaultExtension);
michael@0	44	NS_IMETHOD SetDefaultExtension(const nsAString& aDefaultExtension);
michael@0	45
michael@0	46	protected:
michael@0	47	nsString mDefaultFilePath;
michael@0	48	nsString mDefaultFilename;
michael@0	49	nsString mDefaultExtension;
michael@0	50	};
michael@0	51
michael@0	52	/**
michael@0	53	* Native Windows FileSelector wrapper
michael@0	54	*/
michael@0	55
michael@0	56	class nsFilePicker :
michael@0	57	public IFileDialogEvents,
michael@0	58	public nsBaseWinFilePicker
michael@0	59	{
michael@0	60	public:
michael@0	61	nsFilePicker();
michael@0	62	virtual ~nsFilePicker();
michael@0	63
michael@0	64	NS_IMETHOD Init(nsIDOMWindow *aParent, const nsAString& aTitle, int16_t aMode);
michael@0	65
michael@0	66	NS_DECL_ISUPPORTS
michael@0	67
michael@0	68	// IUnknown's QueryInterface
michael@0	69	STDMETHODIMP QueryInterface(REFIID refiid, void** ppvResult);
michael@0	70
michael@0	71	// nsIFilePicker (less what's in nsBaseFilePicker and nsBaseWinFilePicker)
michael@0	72	NS_IMETHOD GetFilterIndex(int32_t *aFilterIndex);
michael@0	73	NS_IMETHOD SetFilterIndex(int32_t aFilterIndex);
michael@0	74	NS_IMETHOD GetFile(nsIFile * *aFile);
michael@0	75	NS_IMETHOD GetFileURL(nsIURI * *aFileURL);
michael@0	76	NS_IMETHOD GetFiles(nsISimpleEnumerator **aFiles);
michael@0	77	NS_IMETHOD Show(int16_t *aReturnVal);
michael@0	78	NS_IMETHOD ShowW(int16_t *aReturnVal);
michael@0	79	NS_IMETHOD AppendFilter(const nsAString& aTitle, const nsAString& aFilter);
michael@0	80
michael@0	81	// IFileDialogEvents
michael@0	82	HRESULT STDMETHODCALLTYPE OnFileOk(IFileDialog *pfd);
michael@0	83	HRESULT STDMETHODCALLTYPE OnFolderChanging(IFileDialog *pfd, IShellItem *psiFolder);
michael@0	84	HRESULT STDMETHODCALLTYPE OnFolderChange(IFileDialog *pfd);
michael@0	85	HRESULT STDMETHODCALLTYPE OnSelectionChange(IFileDialog *pfd);
michael@0	86	HRESULT STDMETHODCALLTYPE OnShareViolation(IFileDialog *pfd, IShellItem *psi, FDE_SHAREVIOLATION_RESPONSE *pResponse);
michael@0	87	HRESULT STDMETHODCALLTYPE OnTypeChange(IFileDialog *pfd);
michael@0	88	HRESULT STDMETHODCALLTYPE OnOverwrite(IFileDialog *pfd, IShellItem *psi, FDE_OVERWRITE_RESPONSE *pResponse);
michael@0	89
michael@0	90	protected:
michael@0	91	enum PickerType {
michael@0	92	PICKER_TYPE_OPEN,
michael@0	93	PICKER_TYPE_SAVE,
michael@0	94	};
michael@0	95
michael@0	96	/* method from nsBaseFilePicker */
michael@0	97	virtual void InitNative(nsIWidget *aParent,
michael@0	98	const nsAString& aTitle);
michael@0	99	static void GetQualifiedPath(const wchar_t *aInPath, nsString &aOutPath);
michael@0	100	void GetFilterListArray(nsString& aFilterList);
michael@0	101	bool FilePickerWrapper(OPENFILENAMEW* ofn, PickerType aType);
michael@0	102	bool ShowXPFolderPicker(const nsString& aInitialDir);
michael@0	103	bool ShowXPFilePicker(const nsString& aInitialDir);
michael@0	104	bool ShowFolderPicker(const nsString& aInitialDir, bool &aWasInitError);
michael@0	105	bool ShowFilePicker(const nsString& aInitialDir, bool &aWasInitError);
michael@0	106	void AppendXPFilter(const nsAString& aTitle, const nsAString& aFilter);
michael@0	107	void RememberLastUsedDirectory();
michael@0	108	bool IsPrivacyModeEnabled();
michael@0	109	bool IsDefaultPathLink();
michael@0	110	bool IsDefaultPathHtml();
michael@0	111	void SetDialogHandle(HWND aWnd);
michael@0	112	bool ClosePickerIfNeeded(bool aIsXPDialog);
michael@0	113	static void PickerCallbackTimerFunc(nsITimer *aTimer, void *aPicker);
michael@0	114	static UINT_PTR CALLBACK MultiFilePickerHook(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam);
michael@0	115	static UINT_PTR CALLBACK FilePickerHook(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam);
michael@0	116
michael@0	117	nsCOMPtr<nsILoadContext> mLoadContext;
michael@0	118	nsCOMPtr<nsIWidget> mParentWidget;
michael@0	119	nsString mTitle;
michael@0	120	nsCString mFile;
michael@0	121	nsString mFilterList;
michael@0	122	int16_t mSelectedType;
michael@0	123	nsCOMArray<nsIFile> mFiles;
michael@0	124	static char mLastUsedDirectory[];
michael@0	125	nsString mUnicodeFile;
michael@0	126	static char16_t *mLastUsedUnicodeDirectory;
michael@0	127	HWND mDlgWnd;
michael@0	128
michael@0	129	class ComDlgFilterSpec
michael@0	130	{
michael@0	131	public:
michael@0	132	ComDlgFilterSpec() {}
michael@0	133	~ComDlgFilterSpec() {}
michael@0	134
michael@0	135	const uint32_t Length() {
michael@0	136	return mSpecList.Length();
michael@0	137	}
michael@0	138
michael@0	139	const bool IsEmpty() {
michael@0	140	return (mSpecList.Length() == 0);
michael@0	141	}
michael@0	142
michael@0	143	const COMDLG_FILTERSPEC* get() {
michael@0	144	return mSpecList.Elements();
michael@0	145	}
michael@0	146
michael@0	147	void Append(const nsAString& aTitle, const nsAString& aFilter);
michael@0	148	private:
michael@0	149	nsAutoTArray<COMDLG_FILTERSPEC, 1> mSpecList;
michael@0	150	nsAutoTArray<nsString, 2> mStrings;
michael@0	151	};
michael@0	152
michael@0	153	ComDlgFilterSpec mComFilterList;
michael@0	154	DWORD mFDECookie;
michael@0	155	};
michael@0	156
michael@0	157	#if defined(_WIN32_WINNT_bak)
michael@0	158	#undef _WIN32_WINNT
michael@0	159	#define _WIN32_WINNT _WIN32_WINNT_bak
michael@0	160	#undef _WIN32_IE
michael@0	161	#define _WIN32_IE _WIN32_IE_bak
michael@0	162	#endif
michael@0	163
michael@0	164	#endif // nsFilePicker_h__