1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
|
/* -*- 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/. */
#include "nsMacShellService.h"
#include "nsCOMPtr.h"
#include "nsIServiceManager.h"
#include "nsIStringBundle.h"
#include "nsIPromptService.h"
#include "nsIPrefService.h"
#include "nsIPrefBranch.h"
#include "nsString.h"
#include "nsEmbedCID.h"
// These Launch Services functions are undocumented. We're using them since
// they're the only way to set the default opener for URLs
extern "C" {
// Returns the CFURL for application currently set as the default opener for
// the given URL scheme. appURL must be released by the caller.
extern OSStatus _LSCopyDefaultSchemeHandlerURL(CFStringRef scheme,
CFURLRef* appURL);
extern OSStatus _LSSetDefaultSchemeHandlerURL(CFStringRef scheme,
CFURLRef appURL);
extern OSStatus _LSSaveAndRefresh(void);
}
NS_IMPL_ISUPPORTS(nsMacShellService, nsIShellService, nsIToolkitShellService)
nsMacShellService::nsMacShellService() : mCheckedThisSession(false) {}
NS_IMETHODIMP
nsMacShellService::IsDefaultClient(bool aStartupCheck, uint16_t aApps,
bool* aIsDefaultClient) {
*aIsDefaultClient = true;
if (aApps & nsIShellService::MAIL)
*aIsDefaultClient &= isDefaultHandlerForProtocol(CFSTR("mailto"));
if (aApps & nsIShellService::NEWS)
*aIsDefaultClient &= isDefaultHandlerForProtocol(CFSTR("news"));
if (aApps & nsIShellService::RSS)
*aIsDefaultClient &= isDefaultHandlerForProtocol(CFSTR("feed"));
if (aApps & nsIShellService::CALENDAR)
*aIsDefaultClient &= isDefaultHandlerForProtocol(CFSTR("webcal"));
// if this is the first mail window, maintain internal state that we've
// checked this session (so that subsequent window opens don't show the
// default client dialog.
if (aStartupCheck) mCheckedThisSession = true;
return NS_OK;
}
NS_IMETHODIMP
nsMacShellService::SetDefaultClient(bool aForAllUsers, uint16_t aApps) {
nsresult rv = NS_OK;
if (aApps & nsIShellService::MAIL) {
rv = setAsDefaultHandlerForProtocol(CFSTR("mailto"));
NS_ENSURE_SUCCESS(rv, rv);
rv = setAsDefaultHandlerForProtocol(CFSTR("mid"));
}
if (NS_SUCCEEDED(rv) && aApps & nsIShellService::NEWS)
rv = setAsDefaultHandlerForProtocol(CFSTR("news"));
if (NS_SUCCEEDED(rv) && aApps & nsIShellService::RSS)
rv = setAsDefaultHandlerForProtocol(CFSTR("feed"));
if (NS_SUCCEEDED(rv) && aApps & nsIShellService::CALENDAR) {
rv = setAsDefaultHandlerForProtocol(CFSTR("webcal"));
NS_ENSURE_SUCCESS(rv, rv);
rv = setAsDefaultHandlerForProtocol(CFSTR("webcals"));
}
return rv;
}
NS_IMETHODIMP
nsMacShellService::GetShouldCheckDefaultClient(bool* aResult) {
if (mCheckedThisSession) {
*aResult = false;
return NS_OK;
}
nsCOMPtr<nsIPrefBranch> prefs(do_GetService(NS_PREFSERVICE_CONTRACTID));
return prefs->GetBoolPref("mail.shell.checkDefaultClient", aResult);
}
NS_IMETHODIMP
nsMacShellService::SetShouldCheckDefaultClient(bool aShouldCheck) {
nsCOMPtr<nsIPrefBranch> prefs(do_GetService(NS_PREFSERVICE_CONTRACTID));
return prefs->SetBoolPref("mail.shell.checkDefaultClient", aShouldCheck);
}
bool nsMacShellService::isDefaultHandlerForProtocol(CFStringRef aScheme) {
bool isDefault = false;
// Since neither Launch Services nor Internet Config actually differ between
// bundles which have the same bundle identifier (That is, if we set our
// URL of our bundle as the default handler for the given protocol,
// Launch Service might return the URL of another thunderbird bundle as the
// default handler for that protocol), we are comparing the identifiers of the
// bundles rather than their URLs.
CFStringRef tbirdID = ::CFBundleGetIdentifier(CFBundleGetMainBundle());
if (!tbirdID) {
// CFBundleGetIdentifier is expected to return NULL only if the specified
// bundle doesn't have a bundle identifier in its dictionary. In this case,
// that means a failure, since our bundle does have an identifier.
return isDefault;
}
::CFRetain(tbirdID);
// Get the default handler URL of the given protocol
CFURLRef defaultHandlerURL;
OSStatus err = ::_LSCopyDefaultSchemeHandlerURL(aScheme, &defaultHandlerURL);
if (err == noErr) {
// Get a reference to the bundle (based on its URL)
CFBundleRef defaultHandlerBundle =
::CFBundleCreate(NULL, defaultHandlerURL);
if (defaultHandlerBundle) {
CFStringRef defaultHandlerID =
::CFBundleGetIdentifier(defaultHandlerBundle);
if (defaultHandlerID) {
::CFRetain(defaultHandlerID);
// and compare it to our bundle identifier
isDefault = ::CFStringCompare(tbirdID, defaultHandlerID, 0) ==
kCFCompareEqualTo;
::CFRelease(defaultHandlerID);
} else {
// If the bundle doesn't have an identifier in its info property list,
// it's not our bundle.
isDefault = false;
}
::CFRelease(defaultHandlerBundle);
}
::CFRelease(defaultHandlerURL);
} else {
// If |_LSCopyDefaultSchemeHandlerURL| failed, there's no default
// handler for the given protocol
isDefault = false;
}
::CFRelease(tbirdID);
return isDefault;
}
nsresult nsMacShellService::setAsDefaultHandlerForProtocol(
CFStringRef aScheme) {
CFURLRef tbirdURL = ::CFBundleCopyBundleURL(CFBundleGetMainBundle());
::_LSSetDefaultSchemeHandlerURL(aScheme, tbirdURL);
::_LSSaveAndRefresh();
::CFRelease(tbirdURL);
return NS_OK;
}
|
