netwerk/cache/nsApplicationCacheService.cpp

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/netwerk/cache/nsApplicationCacheService.cpp	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,247 @@
     1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this file,
     1.6 + * You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.7 +
     1.8 +#include "nsDiskCache.h"
     1.9 +#include "nsDiskCacheDeviceSQL.h"
    1.10 +#include "nsCacheService.h"
    1.11 +#include "nsApplicationCacheService.h"
    1.12 +#include "nsCRT.h"
    1.13 +#include "nsNetUtil.h"
    1.14 +#include "nsIObserverService.h"
    1.15 +#include "nsILoadContextInfo.h"
    1.16 +
    1.17 +using namespace mozilla;
    1.18 +
    1.19 +static NS_DEFINE_CID(kCacheServiceCID, NS_CACHESERVICE_CID);
    1.20 +
    1.21 +//-----------------------------------------------------------------------------
    1.22 +// nsApplicationCacheService
    1.23 +//-----------------------------------------------------------------------------
    1.24 +
    1.25 +NS_IMPL_ISUPPORTS(nsApplicationCacheService, nsIApplicationCacheService)
    1.26 +
    1.27 +nsApplicationCacheService::nsApplicationCacheService()
    1.28 +{
    1.29 +    nsCOMPtr<nsICacheService> serv = do_GetService(kCacheServiceCID);
    1.30 +    mCacheService = nsCacheService::GlobalInstance();
    1.31 +}
    1.32 +
    1.33 +NS_IMETHODIMP
    1.34 +nsApplicationCacheService::BuildGroupID(nsIURI *aManifestURL,
    1.35 +                                        nsILoadContextInfo *aLoadContextInfo,
    1.36 +                                        nsACString &_result)
    1.37 +{
    1.38 +    nsresult rv;
    1.39 +
    1.40 +    uint32_t appId = NECKO_NO_APP_ID;
    1.41 +    bool isInBrowserElement = false;
    1.42 +
    1.43 +    if (aLoadContextInfo) {
    1.44 +        appId = aLoadContextInfo->AppId();
    1.45 +        isInBrowserElement = aLoadContextInfo->IsInBrowserElement();
    1.46 +    }
    1.47 +
    1.48 +    rv = nsOfflineCacheDevice::BuildApplicationCacheGroupID(
    1.49 +        aManifestURL, appId, isInBrowserElement, _result);
    1.50 +    NS_ENSURE_SUCCESS(rv, rv);
    1.51 +
    1.52 +    return NS_OK;
    1.53 +}
    1.54 +
    1.55 +NS_IMETHODIMP
    1.56 +nsApplicationCacheService::BuildGroupIDForApp(nsIURI *aManifestURL,
    1.57 +                                              uint32_t aAppId,
    1.58 +                                              bool aIsInBrowser,
    1.59 +                                              nsACString &_result)
    1.60 +{
    1.61 +    nsresult rv = nsOfflineCacheDevice::BuildApplicationCacheGroupID(
    1.62 +        aManifestURL, aAppId, aIsInBrowser, _result);
    1.63 +    NS_ENSURE_SUCCESS(rv, rv);
    1.64 +
    1.65 +    return NS_OK;
    1.66 +}
    1.67 +
    1.68 +NS_IMETHODIMP
    1.69 +nsApplicationCacheService::CreateApplicationCache(const nsACString &group,
    1.70 +                                                  nsIApplicationCache **out)
    1.71 +{
    1.72 +    if (!mCacheService)
    1.73 +        return NS_ERROR_UNEXPECTED;
    1.74 +
    1.75 +    nsRefPtr<nsOfflineCacheDevice> device;
    1.76 +    nsresult rv = mCacheService->GetOfflineDevice(getter_AddRefs(device));
    1.77 +    NS_ENSURE_SUCCESS(rv, rv);
    1.78 +    return device->CreateApplicationCache(group, out);
    1.79 +}
    1.80 +
    1.81 +NS_IMETHODIMP
    1.82 +nsApplicationCacheService::CreateCustomApplicationCache(const nsACString & group,
    1.83 +                                                        nsIFile *profileDir,
    1.84 +                                                        int32_t quota,
    1.85 +                                                        nsIApplicationCache **out)
    1.86 +{
    1.87 +    if (!mCacheService)
    1.88 +        return NS_ERROR_UNEXPECTED;
    1.89 +
    1.90 +    nsRefPtr<nsOfflineCacheDevice> device;
    1.91 +    nsresult rv = mCacheService->GetCustomOfflineDevice(profileDir,
    1.92 +                                                        quota,
    1.93 +                                                        getter_AddRefs(device));
    1.94 +    NS_ENSURE_SUCCESS(rv, rv);
    1.95 +    return device->CreateApplicationCache(group, out);
    1.96 +}
    1.97 +
    1.98 +NS_IMETHODIMP
    1.99 +nsApplicationCacheService::GetApplicationCache(const nsACString &clientID,
   1.100 +                                               nsIApplicationCache **out)
   1.101 +{
   1.102 +    if (!mCacheService)
   1.103 +        return NS_ERROR_UNEXPECTED;
   1.104 +
   1.105 +    nsRefPtr<nsOfflineCacheDevice> device;
   1.106 +    nsresult rv = mCacheService->GetOfflineDevice(getter_AddRefs(device));
   1.107 +    NS_ENSURE_SUCCESS(rv, rv);
   1.108 +    return device->GetApplicationCache(clientID, out);
   1.109 +}
   1.110 +
   1.111 +NS_IMETHODIMP
   1.112 +nsApplicationCacheService::GetActiveCache(const nsACString &group,
   1.113 +                                          nsIApplicationCache **out)
   1.114 +{
   1.115 +    if (!mCacheService)
   1.116 +        return NS_ERROR_UNEXPECTED;
   1.117 +
   1.118 +    nsRefPtr<nsOfflineCacheDevice> device;
   1.119 +    nsresult rv = mCacheService->GetOfflineDevice(getter_AddRefs(device));
   1.120 +    NS_ENSURE_SUCCESS(rv, rv);
   1.121 +    return device->GetActiveCache(group, out);
   1.122 +}
   1.123 +
   1.124 +NS_IMETHODIMP
   1.125 +nsApplicationCacheService::DeactivateGroup(const nsACString &group)
   1.126 +{
   1.127 +    if (!mCacheService)
   1.128 +        return NS_ERROR_UNEXPECTED;
   1.129 +
   1.130 +    nsRefPtr<nsOfflineCacheDevice> device;
   1.131 +    nsresult rv = mCacheService->GetOfflineDevice(getter_AddRefs(device));
   1.132 +    NS_ENSURE_SUCCESS(rv, rv);
   1.133 +    return device->DeactivateGroup(group);
   1.134 +}
   1.135 +
   1.136 +NS_IMETHODIMP
   1.137 +nsApplicationCacheService::ChooseApplicationCache(const nsACString &key,
   1.138 +                                                  nsILoadContextInfo *aLoadContextInfo,
   1.139 +                                                  nsIApplicationCache **out)
   1.140 +{
   1.141 +    if (!mCacheService)
   1.142 +        return NS_ERROR_UNEXPECTED;
   1.143 +
   1.144 +    nsRefPtr<nsOfflineCacheDevice> device;
   1.145 +    nsresult rv = mCacheService->GetOfflineDevice(getter_AddRefs(device));
   1.146 +    NS_ENSURE_SUCCESS(rv, rv);
   1.147 +
   1.148 +    return device->ChooseApplicationCache(key, aLoadContextInfo, out);
   1.149 +}
   1.150 +
   1.151 +NS_IMETHODIMP
   1.152 +nsApplicationCacheService::CacheOpportunistically(nsIApplicationCache* cache,
   1.153 +                                                  const nsACString &key)
   1.154 +{
   1.155 +    if (!mCacheService)
   1.156 +        return NS_ERROR_UNEXPECTED;
   1.157 +
   1.158 +    nsRefPtr<nsOfflineCacheDevice> device;
   1.159 +    nsresult rv = mCacheService->GetOfflineDevice(getter_AddRefs(device));
   1.160 +    NS_ENSURE_SUCCESS(rv, rv);
   1.161 +    return device->CacheOpportunistically(cache, key);
   1.162 +}
   1.163 +
   1.164 +NS_IMETHODIMP
   1.165 +nsApplicationCacheService::DiscardByAppId(int32_t appID, bool isInBrowser)
   1.166 +{
   1.167 +    if (!mCacheService)
   1.168 +        return NS_ERROR_UNEXPECTED;
   1.169 +
   1.170 +    nsRefPtr<nsOfflineCacheDevice> device;
   1.171 +    nsresult rv = mCacheService->GetOfflineDevice(getter_AddRefs(device));
   1.172 +    NS_ENSURE_SUCCESS(rv, rv);
   1.173 +    return device->DiscardByAppId(appID, isInBrowser);
   1.174 +}
   1.175 +
   1.176 +NS_IMETHODIMP
   1.177 +nsApplicationCacheService::GetGroups(uint32_t *count,
   1.178 +                                     char ***keys)
   1.179 +{
   1.180 +    if (!mCacheService)
   1.181 +        return NS_ERROR_UNEXPECTED;
   1.182 +
   1.183 +    nsRefPtr<nsOfflineCacheDevice> device;
   1.184 +    nsresult rv = mCacheService->GetOfflineDevice(getter_AddRefs(device));
   1.185 +    NS_ENSURE_SUCCESS(rv, rv);
   1.186 +    return device->GetGroups(count, keys);
   1.187 +}
   1.188 +
   1.189 +NS_IMETHODIMP
   1.190 +nsApplicationCacheService::GetGroupsTimeOrdered(uint32_t *count,
   1.191 +                                                char ***keys)
   1.192 +{
   1.193 +    if (!mCacheService)
   1.194 +        return NS_ERROR_UNEXPECTED;
   1.195 +
   1.196 +    nsRefPtr<nsOfflineCacheDevice> device;
   1.197 +    nsresult rv = mCacheService->GetOfflineDevice(getter_AddRefs(device));
   1.198 +    NS_ENSURE_SUCCESS(rv, rv);
   1.199 +    return device->GetGroupsTimeOrdered(count, keys);
   1.200 +}
   1.201 +
   1.202 +//-----------------------------------------------------------------------------
   1.203 +// AppCacheClearDataObserver: handles clearing appcache data for app uninstall
   1.204 +// and clearing user data events.
   1.205 +//-----------------------------------------------------------------------------
   1.206 +
   1.207 +namespace {
   1.208 +
   1.209 +class AppCacheClearDataObserver MOZ_FINAL : public nsIObserver {
   1.210 +public:
   1.211 +    NS_DECL_ISUPPORTS
   1.212 +
   1.213 +    // nsIObserver implementation.
   1.214 +    NS_IMETHODIMP
   1.215 +    Observe(nsISupports *aSubject, const char *aTopic, const char16_t *aData)
   1.216 +    {
   1.217 +        MOZ_ASSERT(!nsCRT::strcmp(aTopic, TOPIC_WEB_APP_CLEAR_DATA));
   1.218 +
   1.219 +        uint32_t appId = NECKO_UNKNOWN_APP_ID;
   1.220 +        bool browserOnly = false;
   1.221 +        nsresult rv = NS_GetAppInfoFromClearDataNotification(aSubject, &appId,
   1.222 +                                                             &browserOnly);
   1.223 +        NS_ENSURE_SUCCESS(rv, rv);
   1.224 +
   1.225 +        nsCOMPtr<nsIApplicationCacheService> cacheService =
   1.226 +            do_GetService(NS_APPLICATIONCACHESERVICE_CONTRACTID, &rv);
   1.227 +        NS_ENSURE_SUCCESS(rv, rv);
   1.228 +
   1.229 +        return cacheService->DiscardByAppId(appId, browserOnly);
   1.230 +    }
   1.231 +};
   1.232 +
   1.233 +NS_IMPL_ISUPPORTS(AppCacheClearDataObserver, nsIObserver)
   1.234 +
   1.235 +} // anonymous namespace
   1.236 +
   1.237 +// Instantiates and registers AppCacheClearDataObserver for notifications
   1.238 +void
   1.239 +nsApplicationCacheService::AppClearDataObserverInit()
   1.240 +{
   1.241 +    nsCOMPtr<nsIObserverService> observerService =
   1.242 +        do_GetService("@mozilla.org/observer-service;1");
   1.243 +    if (observerService) {
   1.244 +        nsRefPtr<AppCacheClearDataObserver> obs
   1.245 +            = new AppCacheClearDataObserver();
   1.246 +        observerService->AddObserver(obs, TOPIC_WEB_APP_CLEAR_DATA,
   1.247 +                                     /*holdsWeak=*/ false);
   1.248 +    }
   1.249 +}
   1.250 +

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