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
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
|
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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 "ContentHandlerService.h"
#include "HandlerServiceChild.h"
#include "ContentChild.h"
#include "nsIMutableArray.h"
#include "nsIMIMEInfo.h"
#include "nsIStringEnumerator.h"
#include "nsReadableUtils.h"
using mozilla::dom::ContentChild;
using mozilla::dom::HandlerInfo;
using mozilla::dom::PHandlerServiceChild;
namespace mozilla {
namespace dom {
NS_IMPL_ISUPPORTS(ContentHandlerService, nsIHandlerService)
ContentHandlerService::ContentHandlerService() {}
nsresult ContentHandlerService::Init() {
if (!XRE_IsContentProcess()) {
return NS_ERROR_FAILURE;
}
ContentChild* cpc = ContentChild::GetSingleton();
mHandlerServiceChild = new HandlerServiceChild();
if (!cpc->SendPHandlerServiceConstructor(mHandlerServiceChild)) {
mHandlerServiceChild = nullptr;
}
return NS_OK;
}
void ContentHandlerService::nsIHandlerInfoToHandlerInfo(
nsIHandlerInfo* aInfo, HandlerInfo* aHandlerInfo) {
nsCString type;
aInfo->GetType(type);
nsCOMPtr<nsIMIMEInfo> mimeInfo = do_QueryInterface(aInfo);
bool isMIMEInfo = !!mimeInfo;
nsString description;
aInfo->GetDescription(description);
bool alwaysAskBeforeHandling;
aInfo->GetAlwaysAskBeforeHandling(&alwaysAskBeforeHandling);
nsCOMPtr<nsIHandlerApp> app;
aInfo->GetPreferredApplicationHandler(getter_AddRefs(app));
nsString name;
nsString detailedDescription;
if (app) {
app->GetName(name);
app->GetDetailedDescription(detailedDescription);
}
HandlerApp happ(name, detailedDescription);
nsTArray<HandlerApp> happs;
nsCOMPtr<nsIMutableArray> apps;
aInfo->GetPossibleApplicationHandlers(getter_AddRefs(apps));
if (apps) {
unsigned int length;
apps->GetLength(&length);
for (unsigned int i = 0; i < length; i++) {
apps->QueryElementAt(i, NS_GET_IID(nsIHandlerApp), getter_AddRefs(app));
app->GetName(name);
app->GetDetailedDescription(detailedDescription);
happs.AppendElement(HandlerApp(name, detailedDescription));
}
}
nsTArray<nsCString> extensions;
if (isMIMEInfo) {
nsCOMPtr<nsIUTF8StringEnumerator> extensionsIter;
mimeInfo->GetFileExtensions(getter_AddRefs(extensionsIter));
if (extensionsIter) {
bool hasMore = false;
while (NS_SUCCEEDED(extensionsIter->HasMore(&hasMore)) && hasMore) {
nsAutoCString extension;
if (NS_SUCCEEDED(extensionsIter->GetNext(extension))) {
extensions.AppendElement(std::move(extension));
}
}
}
}
nsHandlerInfoAction action;
aInfo->GetPreferredAction(&action);
HandlerInfo info(type, isMIMEInfo, description, alwaysAskBeforeHandling,
std::move(extensions), happ, happs, action);
*aHandlerInfo = info;
}
NS_IMETHODIMP RemoteHandlerApp::GetName(nsAString& aName) {
aName.Assign(mAppChild.name());
return NS_OK;
}
NS_IMETHODIMP RemoteHandlerApp::SetName(const nsAString& aName) {
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP RemoteHandlerApp::GetDetailedDescription(
nsAString& aDetailedDescription) {
aDetailedDescription.Assign(mAppChild.detailedDescription());
return NS_OK;
}
NS_IMETHODIMP RemoteHandlerApp::SetDetailedDescription(
const nsAString& aDetailedDescription) {
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP RemoteHandlerApp::Equals(nsIHandlerApp* aHandlerApp,
bool* _retval) {
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP RemoteHandlerApp::LaunchWithURI(
nsIURI* aURI, BrowsingContext* aBrowsingContext) {
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMPL_ISUPPORTS(RemoteHandlerApp, nsIHandlerApp)
static inline void CopyHanderInfoTonsIHandlerInfo(
const HandlerInfo& info, nsIHandlerInfo* aHandlerInfo) {
HandlerApp preferredApplicationHandler = info.preferredApplicationHandler();
nsCOMPtr<nsIHandlerApp> preferredApp(
new RemoteHandlerApp(preferredApplicationHandler));
aHandlerInfo->SetPreferredApplicationHandler(preferredApp);
nsCOMPtr<nsIMutableArray> possibleHandlers;
aHandlerInfo->GetPossibleApplicationHandlers(
getter_AddRefs(possibleHandlers));
possibleHandlers->AppendElement(preferredApp);
if (info.isMIMEInfo()) {
nsCOMPtr<nsIMIMEInfo> mimeInfo(do_QueryInterface(aHandlerInfo));
MOZ_ASSERT(mimeInfo,
"parent and child don't agree on whether this is a MIME info");
mimeInfo->SetFileExtensions(StringJoin(","_ns, info.extensions()));
}
}
ContentHandlerService::~ContentHandlerService() {}
NS_IMETHODIMP ContentHandlerService::AsyncInit() {
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP ContentHandlerService::Enumerate(nsISimpleEnumerator** _retval) {
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP ContentHandlerService::FillHandlerInfo(
nsIHandlerInfo* aHandlerInfo, const nsACString& aOverrideType) {
HandlerInfo info, returnedInfo;
nsIHandlerInfoToHandlerInfo(aHandlerInfo, &info);
mHandlerServiceChild->SendFillHandlerInfo(info, nsCString(aOverrideType),
&returnedInfo);
CopyHanderInfoTonsIHandlerInfo(returnedInfo, aHandlerInfo);
return NS_OK;
}
NS_IMETHODIMP ContentHandlerService::GetMIMEInfoFromOS(
nsIHandlerInfo* aHandlerInfo, const nsACString& aMIMEType,
const nsACString& aExtension, bool* aFound) {
nsresult rv = NS_ERROR_FAILURE;
HandlerInfo returnedInfo;
if (!mHandlerServiceChild->SendGetMIMEInfoFromOS(nsCString(aMIMEType),
nsCString(aExtension), &rv,
&returnedInfo, aFound)) {
return NS_ERROR_FAILURE;
}
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
CopyHanderInfoTonsIHandlerInfo(returnedInfo, aHandlerInfo);
return NS_OK;
}
NS_IMETHODIMP ContentHandlerService::Store(nsIHandlerInfo* aHandlerInfo) {
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP ContentHandlerService::Exists(nsIHandlerInfo* aHandlerInfo,
bool* _retval) {
HandlerInfo info;
nsIHandlerInfoToHandlerInfo(aHandlerInfo, &info);
mHandlerServiceChild->SendExists(info, _retval);
return NS_OK;
}
NS_IMETHODIMP ContentHandlerService::Remove(nsIHandlerInfo* aHandlerInfo) {
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
ContentHandlerService::ExistsForProtocolOS(const nsACString& aProtocolScheme,
bool* aRetval) {
if (!mHandlerServiceChild->SendExistsForProtocolOS(nsCString(aProtocolScheme),
aRetval)) {
return NS_ERROR_FAILURE;
}
return NS_OK;
}
NS_IMETHODIMP
ContentHandlerService::ExistsForProtocol(const nsACString& aProtocolScheme,
bool* aRetval) {
if (!mHandlerServiceChild->SendExistsForProtocol(nsCString(aProtocolScheme),
aRetval)) {
return NS_ERROR_FAILURE;
}
return NS_OK;
}
NS_IMETHODIMP ContentHandlerService::GetTypeFromExtension(
const nsACString& aFileExtension, nsACString& _retval) {
nsCString* cachedType = nullptr;
if (!!mExtToTypeMap.Get(aFileExtension, &cachedType) && !!cachedType) {
_retval.Assign(*cachedType);
return NS_OK;
}
nsCString type;
mHandlerServiceChild->SendGetTypeFromExtension(nsCString(aFileExtension),
&type);
_retval.Assign(type);
mExtToTypeMap.Put(nsCString(aFileExtension), new nsCString(type));
return NS_OK;
}
NS_IMETHODIMP ContentHandlerService::GetApplicationDescription(
const nsACString& aProtocolScheme, nsAString& aRetVal) {
nsresult rv = NS_ERROR_FAILURE;
nsAutoCString scheme(aProtocolScheme);
nsAutoString desc;
mHandlerServiceChild->SendGetApplicationDescription(scheme, &rv, &desc);
aRetVal.Assign(desc);
return rv;
}
} // namespace dom
} // namespace mozilla
|