widget/windows/nsFilePicker.h@ac0c01689b40
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.
1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
2 *
3 * This Source Code Form is subject to the terms of the Mozilla Public
4 * License, v. 2.0. If a copy of the MPL was not distributed with this
5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
7 #ifndef nsFilePicker_h__
8 #define nsFilePicker_h__
10 #include <windows.h>
12 // For Vista IFileDialog interfaces which aren't exposed
13 // unless _WIN32_WINNT >= _WIN32_WINNT_LONGHORN.
14 #if _WIN32_WINNT < _WIN32_WINNT_LONGHORN
15 #define _WIN32_WINNT_bak _WIN32_WINNT
16 #undef _WIN32_WINNT
17 #define _WIN32_WINNT _WIN32_WINNT_LONGHORN
18 #define _WIN32_IE_bak _WIN32_IE
19 #undef _WIN32_IE
20 #define _WIN32_IE _WIN32_IE_IE70
21 #endif
23 #include "nsIFile.h"
24 #include "nsITimer.h"
25 #include "nsISimpleEnumerator.h"
26 #include "nsCOMArray.h"
27 #include "nsAutoPtr.h"
28 #include "nsBaseFilePicker.h"
29 #include "nsString.h"
30 #include "nsdefs.h"
31 #include <commdlg.h>
32 #include <shobjidl.h>
33 #undef LogSeverity // SetupAPI.h #defines this as DWORD
35 class nsILoadContext;
37 class nsBaseWinFilePicker :
38 public nsBaseFilePicker
39 {
40 public:
41 NS_IMETHOD GetDefaultString(nsAString& aDefaultString);
42 NS_IMETHOD SetDefaultString(const nsAString& aDefaultString);
43 NS_IMETHOD GetDefaultExtension(nsAString& aDefaultExtension);
44 NS_IMETHOD SetDefaultExtension(const nsAString& aDefaultExtension);
46 protected:
47 nsString mDefaultFilePath;
48 nsString mDefaultFilename;
49 nsString mDefaultExtension;
50 };
52 /**
53 * Native Windows FileSelector wrapper
54 */
56 class nsFilePicker :
57 public IFileDialogEvents,
58 public nsBaseWinFilePicker
59 {
60 public:
61 nsFilePicker();
62 virtual ~nsFilePicker();
64 NS_IMETHOD Init(nsIDOMWindow *aParent, const nsAString& aTitle, int16_t aMode);
66 NS_DECL_ISUPPORTS
68 // IUnknown's QueryInterface
69 STDMETHODIMP QueryInterface(REFIID refiid, void** ppvResult);
71 // nsIFilePicker (less what's in nsBaseFilePicker and nsBaseWinFilePicker)
72 NS_IMETHOD GetFilterIndex(int32_t *aFilterIndex);
73 NS_IMETHOD SetFilterIndex(int32_t aFilterIndex);
74 NS_IMETHOD GetFile(nsIFile * *aFile);
75 NS_IMETHOD GetFileURL(nsIURI * *aFileURL);
76 NS_IMETHOD GetFiles(nsISimpleEnumerator **aFiles);
77 NS_IMETHOD Show(int16_t *aReturnVal);
78 NS_IMETHOD ShowW(int16_t *aReturnVal);
79 NS_IMETHOD AppendFilter(const nsAString& aTitle, const nsAString& aFilter);
81 // IFileDialogEvents
82 HRESULT STDMETHODCALLTYPE OnFileOk(IFileDialog *pfd);
83 HRESULT STDMETHODCALLTYPE OnFolderChanging(IFileDialog *pfd, IShellItem *psiFolder);
84 HRESULT STDMETHODCALLTYPE OnFolderChange(IFileDialog *pfd);
85 HRESULT STDMETHODCALLTYPE OnSelectionChange(IFileDialog *pfd);
86 HRESULT STDMETHODCALLTYPE OnShareViolation(IFileDialog *pfd, IShellItem *psi, FDE_SHAREVIOLATION_RESPONSE *pResponse);
87 HRESULT STDMETHODCALLTYPE OnTypeChange(IFileDialog *pfd);
88 HRESULT STDMETHODCALLTYPE OnOverwrite(IFileDialog *pfd, IShellItem *psi, FDE_OVERWRITE_RESPONSE *pResponse);
90 protected:
91 enum PickerType {
92 PICKER_TYPE_OPEN,
93 PICKER_TYPE_SAVE,
94 };
96 /* method from nsBaseFilePicker */
97 virtual void InitNative(nsIWidget *aParent,
98 const nsAString& aTitle);
99 static void GetQualifiedPath(const wchar_t *aInPath, nsString &aOutPath);
100 void GetFilterListArray(nsString& aFilterList);
101 bool FilePickerWrapper(OPENFILENAMEW* ofn, PickerType aType);
102 bool ShowXPFolderPicker(const nsString& aInitialDir);
103 bool ShowXPFilePicker(const nsString& aInitialDir);
104 bool ShowFolderPicker(const nsString& aInitialDir, bool &aWasInitError);
105 bool ShowFilePicker(const nsString& aInitialDir, bool &aWasInitError);
106 void AppendXPFilter(const nsAString& aTitle, const nsAString& aFilter);
107 void RememberLastUsedDirectory();
108 bool IsPrivacyModeEnabled();
109 bool IsDefaultPathLink();
110 bool IsDefaultPathHtml();
111 void SetDialogHandle(HWND aWnd);
112 bool ClosePickerIfNeeded(bool aIsXPDialog);
113 static void PickerCallbackTimerFunc(nsITimer *aTimer, void *aPicker);
114 static UINT_PTR CALLBACK MultiFilePickerHook(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam);
115 static UINT_PTR CALLBACK FilePickerHook(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam);
117 nsCOMPtr<nsILoadContext> mLoadContext;
118 nsCOMPtr<nsIWidget> mParentWidget;
119 nsString mTitle;
120 nsCString mFile;
121 nsString mFilterList;
122 int16_t mSelectedType;
123 nsCOMArray<nsIFile> mFiles;
124 static char mLastUsedDirectory[];
125 nsString mUnicodeFile;
126 static char16_t *mLastUsedUnicodeDirectory;
127 HWND mDlgWnd;
129 class ComDlgFilterSpec
130 {
131 public:
132 ComDlgFilterSpec() {}
133 ~ComDlgFilterSpec() {}
135 const uint32_t Length() {
136 return mSpecList.Length();
137 }
139 const bool IsEmpty() {
140 return (mSpecList.Length() == 0);
141 }
143 const COMDLG_FILTERSPEC* get() {
144 return mSpecList.Elements();
145 }
147 void Append(const nsAString& aTitle, const nsAString& aFilter);
148 private:
149 nsAutoTArray<COMDLG_FILTERSPEC, 1> mSpecList;
150 nsAutoTArray<nsString, 2> mStrings;
151 };
153 ComDlgFilterSpec mComFilterList;
154 DWORD mFDECookie;
155 };
157 #if defined(_WIN32_WINNT_bak)
158 #undef _WIN32_WINNT
159 #define _WIN32_WINNT _WIN32_WINNT_bak
160 #undef _WIN32_IE
161 #define _WIN32_IE _WIN32_IE_bak
162 #endif
164 #endif // nsFilePicker_h__
