summaryrefslogtreecommitdiffstats
path: root/chrome/nsChromeRegistryContent.cpp
blob: 9b213a3ab95f2f828c1b91b993575872dbfc33a2 (plain)
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
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=2 sts=2 sw=2 et 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 "RegistryMessageUtils.h"
#include "nsChromeRegistryContent.h"
#include "nsISubstitutingProtocolHandler.h"
#include "nsString.h"
#include "nsNetUtil.h"
#include "mozilla/UniquePtr.h"

nsChromeRegistryContent::nsChromeRegistryContent() {}

void nsChromeRegistryContent::RegisterRemoteChrome(
    const nsTArray<ChromePackage>& aPackages,
    const nsTArray<SubstitutionMapping>& aSubstitutions,
    const nsTArray<OverrideMapping>& aOverrides, const nsACString& aLocale,
    bool aReset) {
  MOZ_ASSERT(aReset || mLocale.IsEmpty(), "RegisterChrome twice?");

  if (aReset) {
    mPackagesHash.Clear();
    mOverrideTable.Clear();
    // XXX Can't clear resources.
  }

  for (uint32_t i = aPackages.Length(); i > 0;) {
    --i;
    RegisterPackage(aPackages[i]);
  }

  for (uint32_t i = aSubstitutions.Length(); i > 0;) {
    --i;
    RegisterSubstitution(aSubstitutions[i]);
  }

  for (uint32_t i = aOverrides.Length(); i > 0;) {
    --i;
    RegisterOverride(aOverrides[i]);
  }

  mLocale = aLocale;
}

void nsChromeRegistryContent::RegisterPackage(const ChromePackage& aPackage) {
  nsCOMPtr<nsIURI> content, locale, skin;

  if (aPackage.contentBaseURI.spec.Length()) {
    nsresult rv =
        NS_NewURI(getter_AddRefs(content), aPackage.contentBaseURI.spec);
    if (NS_FAILED(rv)) return;
  }
  if (aPackage.localeBaseURI.spec.Length()) {
    nsresult rv =
        NS_NewURI(getter_AddRefs(locale), aPackage.localeBaseURI.spec);
    if (NS_FAILED(rv)) return;
  }
  if (aPackage.skinBaseURI.spec.Length()) {
    nsresult rv = NS_NewURI(getter_AddRefs(skin), aPackage.skinBaseURI.spec);
    if (NS_FAILED(rv)) return;
  }

  mozilla::UniquePtr<PackageEntry> entry = mozilla::MakeUnique<PackageEntry>();
  entry->flags = aPackage.flags;
  entry->contentBaseURI = content;
  entry->localeBaseURI = locale;
  entry->skinBaseURI = skin;

  mPackagesHash.InsertOrUpdate(aPackage.package, std::move(entry));
}

void nsChromeRegistryContent::RegisterSubstitution(
    const SubstitutionMapping& aSubstitution) {
  nsCOMPtr<nsIIOService> io(do_GetIOService());
  if (!io) return;

  nsCOMPtr<nsIProtocolHandler> ph;
  nsresult rv =
      io->GetProtocolHandler(aSubstitution.scheme.get(), getter_AddRefs(ph));
  if (NS_FAILED(rv)) return;

  nsCOMPtr<nsISubstitutingProtocolHandler> sph(do_QueryInterface(ph));
  if (!sph) return;

  nsCOMPtr<nsIURI> resolvedURI;
  if (aSubstitution.resolvedURI.spec.Length()) {
    rv = NS_NewURI(getter_AddRefs(resolvedURI), aSubstitution.resolvedURI.spec);
    if (NS_FAILED(rv)) return;
  }

  rv = sph->SetSubstitutionWithFlags(aSubstitution.path, resolvedURI,
                                     aSubstitution.flags);
  if (NS_FAILED(rv)) return;
}

void nsChromeRegistryContent::RegisterOverride(
    const OverrideMapping& aOverride) {
  nsCOMPtr<nsIURI> chromeURI, overrideURI;
  nsresult rv =
      NS_NewURI(getter_AddRefs(chromeURI), aOverride.originalURI.spec);
  if (NS_FAILED(rv)) return;

  rv = NS_NewURI(getter_AddRefs(overrideURI), aOverride.overrideURI.spec);
  if (NS_FAILED(rv)) return;

  mOverrideTable.InsertOrUpdate(chromeURI, overrideURI);
}

nsIURI* nsChromeRegistryContent::GetBaseURIFromPackage(
    const nsCString& aPackage, const nsCString& aProvider,
    const nsCString& aPath) {
  PackageEntry* entry;
  if (!mPackagesHash.Get(aPackage, &entry)) {
    return nullptr;
  }

  if (aProvider.EqualsLiteral("locale")) {
    return entry->localeBaseURI;
  }

  if (aProvider.EqualsLiteral("skin")) {
    return entry->skinBaseURI;
  }

  if (aProvider.EqualsLiteral("content")) {
    return entry->contentBaseURI;
  }

  return nullptr;
}

nsresult nsChromeRegistryContent::GetFlagsFromPackage(const nsCString& aPackage,
                                                      uint32_t* aFlags) {
  PackageEntry* entry;
  if (!mPackagesHash.Get(aPackage, &entry)) {
    return NS_ERROR_FAILURE;
  }
  *aFlags = entry->flags;
  return NS_OK;
}

// All functions following only make sense in chrome, and therefore assert

#define CONTENT_NOTREACHED() \
  MOZ_ASSERT_UNREACHABLE("Content should not be calling this")

#define CONTENT_NOT_IMPLEMENTED() \
  CONTENT_NOTREACHED();           \
  return NS_ERROR_NOT_IMPLEMENTED;

NS_IMETHODIMP
nsChromeRegistryContent::GetLocalesForPackage(
    const nsACString& aPackage, nsIUTF8StringEnumerator** aResult) {
  CONTENT_NOT_IMPLEMENTED();
}

NS_IMETHODIMP
nsChromeRegistryContent::CheckForNewChrome() { CONTENT_NOT_IMPLEMENTED(); }

NS_IMETHODIMP
nsChromeRegistryContent::IsLocaleRTL(const nsACString& aPackage,
                                     bool* aResult) {
  *aResult = mozilla::intl::LocaleService::IsLocaleRTL(mLocale);
  return NS_OK;
}

NS_IMETHODIMP
nsChromeRegistryContent::Observe(nsISupports* aSubject, const char* aTopic,
                                 const char16_t* aData) {
  CONTENT_NOT_IMPLEMENTED();
}

void nsChromeRegistryContent::ManifestContent(ManifestProcessingContext& cx,
                                              int lineno, char* const* argv,
                                              int flags) {
  CONTENT_NOTREACHED();
}

void nsChromeRegistryContent::ManifestLocale(ManifestProcessingContext& cx,
                                             int lineno, char* const* argv,
                                             int flags) {
  CONTENT_NOTREACHED();
}

void nsChromeRegistryContent::ManifestSkin(ManifestProcessingContext& cx,
                                           int lineno, char* const* argv,
                                           int flags) {
  CONTENT_NOTREACHED();
}

void nsChromeRegistryContent::ManifestOverride(ManifestProcessingContext& cx,
                                               int lineno, char* const* argv,
                                               int flags) {
  CONTENT_NOTREACHED();
}

void nsChromeRegistryContent::ManifestResource(ManifestProcessingContext& cx,
                                               int lineno, char* const* argv,
                                               int flags) {
  CONTENT_NOTREACHED();
}