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Unified Diff: chrome/browser/content_settings/pref_content_settings_provider.cc

Issue 6484035: Add a content_settings::BaseProvider for code that is shared by all content settings providers. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: " Created 9 years, 10 months ago
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Index: chrome/browser/content_settings/pref_content_settings_provider.cc
diff --git a/chrome/browser/content_settings/pref_content_settings_provider.cc b/chrome/browser/content_settings/pref_content_settings_provider.cc
index bb6360e31215c92eee197819d96ee97da538a18d..f6ff946e9f8acca1f2311057b638af2a9f6fcb94 100644
--- a/chrome/browser/content_settings/pref_content_settings_provider.cc
+++ b/chrome/browser/content_settings/pref_content_settings_provider.cc
@@ -60,40 +60,10 @@ const char* kTypeNames[CONTENT_SETTINGS_NUM_TYPES] = {
NULL, // Not used for Notifications
};
-// True if a given content settings type requires additional resource
-// identifiers.
-const bool kRequiresResourceIdentifier[CONTENT_SETTINGS_NUM_TYPES] = {
- false, // CONTENT_SETTINGS_TYPE_COOKIES
- false, // CONTENT_SETTINGS_TYPE_IMAGES
- false, // CONTET_SETTINGS_TYPE_JAVASCRIPT
- true, // CONTENT_SETTINGS_TYPE_PLUGINS
- false, // CONTENT_SETTINGS_TYPE_POPUPS
- false, // Not used for Geolocation
- false, // Not used for Notifications
-};
-
-// Map ASK for the plugins content type to BLOCK if click-to-play is
-// not enabled.
-ContentSetting ClickToPlayFixup(ContentSettingsType content_type,
- ContentSetting setting) {
- if (setting == CONTENT_SETTING_ASK &&
- content_type == CONTENT_SETTINGS_TYPE_PLUGINS &&
- !CommandLine::ForCurrentProcess()->HasSwitch(
- switches::kEnableClickToPlay)) {
- return CONTENT_SETTING_BLOCK;
- }
- return setting;
-}
-
} // namespace
namespace content_settings {
-struct PrefProvider::ExtendedContentSettings {
- ContentSettings content_settings;
- ResourceContentSettings content_settings_for_resources;
-};
-
PrefDefaultProvider::PrefDefaultProvider(Profile* profile)
: profile_(profile),
is_off_the_record_(profile_->IsOffTheRecord()),
@@ -273,8 +243,9 @@ void PrefDefaultProvider::GetSettingsFromDictionary(
settings->settings[CONTENT_SETTINGS_TYPE_COOKIES] = CONTENT_SETTING_BLOCK;
settings->settings[CONTENT_SETTINGS_TYPE_PLUGINS] =
- ClickToPlayFixup(CONTENT_SETTINGS_TYPE_PLUGINS,
- settings->settings[CONTENT_SETTINGS_TYPE_PLUGINS]);
+ BaseProvider::ClickToPlayFixup(
+ CONTENT_SETTINGS_TYPE_PLUGINS,
+ settings->settings[CONTENT_SETTINGS_TYPE_PLUGINS]);
}
void PrefDefaultProvider::NotifyObservers(
@@ -288,14 +259,13 @@ void PrefDefaultProvider::NotifyObservers(
Details<const ContentSettingsDetails>(&details));
}
-
// static
void PrefDefaultProvider::RegisterUserPrefs(PrefService* prefs) {
prefs->RegisterDictionaryPref(prefs::kDefaultContentSettings);
}
// ////////////////////////////////////////////////////////////////////////////
-// PrefProvider::
+// PrefProvider:
//
// static
@@ -310,9 +280,13 @@ void PrefProvider::RegisterUserPrefs(PrefService* prefs) {
}
PrefProvider::PrefProvider(Profile* profile)
- : profile_(profile),
- is_off_the_record_(profile_->IsOffTheRecord()),
+ : BaseProvider(profile->IsOffTheRecord()),
+ profile_(profile),
updating_preferences_(false) {
+ Init();
+}
+
+void PrefProvider::Init() {
initializing_ = true;
PrefService* prefs = profile_->GetPrefs();
@@ -347,81 +321,6 @@ bool PrefProvider::ContentSettingsTypeIsManaged(
return false;
}
-ContentSetting PrefProvider::GetContentSetting(
- const GURL& requesting_url,
- const GURL& embedding_url,
- ContentSettingsType content_type,
- const ResourceIdentifier& resource_identifier) const {
- // Support for embedding_patterns is not implemented yet.
- DCHECK(requesting_url == embedding_url);
-
- if (!RequiresResourceIdentifier(content_type))
- return GetNonDefaultContentSettings(requesting_url).settings[content_type];
-
- if (RequiresResourceIdentifier(content_type) && resource_identifier.empty())
- return CONTENT_SETTING_DEFAULT;
-
- if (CommandLine::ForCurrentProcess()->HasSwitch(
- switches::kEnableResourceContentSettings)) {
- DCHECK(!resource_identifier.empty());
- }
-
- base::AutoLock auto_lock(lock_);
-
- const std::string host(net::GetHostOrSpecFromURL(requesting_url));
- ContentSettingsTypeResourceIdentifierPair
- requested_setting(content_type, resource_identifier);
-
- // Check for exact matches first.
- HostContentSettings::const_iterator i(host_content_settings_.find(host));
- if (i != host_content_settings_.end() &&
- i->second.content_settings_for_resources.find(requested_setting) !=
- i->second.content_settings_for_resources.end()) {
- return i->second.content_settings_for_resources.find(
- requested_setting)->second;
- }
-
- // If this map is not for an off-the-record profile, these searches will never
- // match. The additional off-the-record exceptions always overwrite the
- // regular ones.
- i = off_the_record_settings_.find(host);
- if (i != off_the_record_settings_.end() &&
- i->second.content_settings_for_resources.find(requested_setting) !=
- i->second.content_settings_for_resources.end()) {
- return i->second.content_settings_for_resources.find(
- requested_setting)->second;
- }
-
- // Match patterns starting with the most concrete pattern match.
- for (std::string key =
- std::string(ContentSettingsPattern::kDomainWildcard) + host; ; ) {
- HostContentSettings::const_iterator i(off_the_record_settings_.find(key));
- if (i != off_the_record_settings_.end() &&
- i->second.content_settings_for_resources.find(requested_setting) !=
- i->second.content_settings_for_resources.end()) {
- return i->second.content_settings_for_resources.find(
- requested_setting)->second;
- }
-
- i = host_content_settings_.find(key);
- if (i != host_content_settings_.end() &&
- i->second.content_settings_for_resources.find(requested_setting) !=
- i->second.content_settings_for_resources.end()) {
- return i->second.content_settings_for_resources.find(
- requested_setting)->second;
- }
-
- const size_t next_dot =
- key.find('.', ContentSettingsPattern::kDomainWildcardLength);
- if (next_dot == std::string::npos)
- break;
- key.erase(ContentSettingsPattern::kDomainWildcardLength,
- next_dot - ContentSettingsPattern::kDomainWildcardLength + 1);
- }
-
- return CONTENT_SETTING_DEFAULT;
-}
-
void PrefProvider::SetContentSetting(
const ContentSettingsPattern& requesting_pattern,
const ContentSettingsPattern& embedding_pattern,
@@ -447,16 +346,20 @@ void PrefProvider::SetContentSetting(
std::string pattern_str(pattern.AsString());
PrefService* prefs = NULL;
DictionaryValue* all_settings_dictionary = NULL;
- HostContentSettings* map_to_modify = &off_the_record_settings_;
- if (!is_off_the_record_) {
+
+ // Select content-settings-map to write to.
+ HostContentSettings* map_to_modify = off_the_record_settings();
+ if (!is_off_the_record()) {
prefs = profile_->GetPrefs();
all_settings_dictionary =
prefs->GetMutableDictionary(prefs::kContentSettingsPatterns);
- map_to_modify = &host_content_settings_;
+
+ map_to_modify = host_content_settings();
}
+ // Update content-settings-map.
{
- base::AutoLock auto_lock(lock_);
+ base::AutoLock auto_lock(lock());
if (!map_to_modify->count(pattern_str))
(*map_to_modify)[pattern_str].content_settings = ContentSettings();
HostContentSettings::iterator i(
@@ -482,11 +385,12 @@ void PrefProvider::SetContentSetting(
all_settings_dictionary->RemoveWithoutPathExpansion(pattern_str, NULL);
// We can't just return because |NotifyObservers()| needs to be called,
- // without |lock_| being held.
+ // without lock() being held.
early_exit = true;
}
}
+ // Update the content_settings preference.
if (!early_exit && all_settings_dictionary) {
DictionaryValue* host_settings_dictionary = NULL;
bool found = all_settings_dictionary->GetDictionaryWithoutPathExpansion(
@@ -526,62 +430,23 @@ void PrefProvider::SetContentSetting(
}
updating_preferences_ = true;
- if (!is_off_the_record_)
+ if (!is_off_the_record())
ScopedPrefUpdate update(prefs, prefs::kContentSettingsPatterns);
updating_preferences_ = false;
NotifyObservers(ContentSettingsDetails(pattern, content_type, ""));
}
-void PrefProvider::GetAllContentSettingsRules(
- ContentSettingsType content_type,
- const ResourceIdentifier& resource_identifier,
- Rules* content_setting_rules) const {
- DCHECK(RequiresResourceIdentifier(content_type) !=
- resource_identifier.empty());
- DCHECK(content_setting_rules);
- content_setting_rules->clear();
-
- const HostContentSettings* map_to_return =
- is_off_the_record_ ? &off_the_record_settings_ : &host_content_settings_;
- ContentSettingsTypeResourceIdentifierPair requested_setting(
- content_type, resource_identifier);
-
- base::AutoLock auto_lock(lock_);
- for (HostContentSettings::const_iterator i(map_to_return->begin());
- i != map_to_return->end(); ++i) {
- ContentSetting setting;
- if (RequiresResourceIdentifier(content_type)) {
- if (i->second.content_settings_for_resources.find(requested_setting) !=
- i->second.content_settings_for_resources.end()) {
- setting = i->second.content_settings_for_resources.find(
- requested_setting)->second;
- } else {
- setting = CONTENT_SETTING_DEFAULT;
- }
- } else {
- setting = i->second.content_settings.settings[content_type];
- }
- if (setting != CONTENT_SETTING_DEFAULT) {
- // Use of push_back() relies on the map iterator traversing in order of
- // ascending keys.
- content_setting_rules->push_back(Rule(ContentSettingsPattern(i->first),
- ContentSettingsPattern(i->first),
- setting));
- }
- }
-}
-
void PrefProvider::ResetToDefaults() {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
{
- base::AutoLock auto_lock(lock_);
- host_content_settings_.clear();
- off_the_record_settings_.clear();
+ base::AutoLock auto_lock(lock());
+ host_content_settings()->clear();
+ off_the_record_settings()->clear();
}
- if (!is_off_the_record_) {
+ if (!is_off_the_record()) {
PrefService* prefs = profile_->GetPrefs();
updating_preferences_ = true;
prefs->ClearPref(prefs::kContentSettingsPatterns);
@@ -595,22 +460,22 @@ void PrefProvider::ClearAllContentSettingsRules(
PrefService* prefs = NULL;
DictionaryValue* all_settings_dictionary = NULL;
- HostContentSettings* map_to_modify = &off_the_record_settings_;
+ HostContentSettings* map_to_modify = off_the_record_settings();
- if (!is_off_the_record_) {
+ if (!is_off_the_record()) {
prefs = profile_->GetPrefs();
all_settings_dictionary =
prefs->GetMutableDictionary(prefs::kContentSettingsPatterns);
- map_to_modify = &host_content_settings_;
+ map_to_modify = host_content_settings();
}
{
- base::AutoLock auto_lock(lock_);
+ base::AutoLock auto_lock(lock());
for (HostContentSettings::iterator i(map_to_modify->begin());
i != map_to_modify->end(); ) {
if (RequiresResourceIdentifier(content_type) ||
i->second.content_settings.settings[content_type] !=
- CONTENT_SETTING_DEFAULT) {
+ CONTENT_SETTING_DEFAULT) {
if (RequiresResourceIdentifier(content_type))
i->second.content_settings_for_resources.clear();
i->second.content_settings.settings[content_type] =
@@ -637,7 +502,7 @@ void PrefProvider::ClearAllContentSettingsRules(
}
updating_preferences_ = true;
- if (!is_off_the_record_)
+ if (!is_off_the_record())
ScopedPrefUpdate update(prefs, prefs::kContentSettingsPatterns);
updating_preferences_ = false;
@@ -664,7 +529,7 @@ void PrefProvider::Observe(
return;
}
- if (!is_off_the_record_) {
+ if (!is_off_the_record()) {
NotifyObservers(ContentSettingsDetails(ContentSettingsPattern(),
CONTENT_SETTINGS_TYPE_DEFAULT,
""));
@@ -684,34 +549,15 @@ PrefProvider::~PrefProvider() {
// ////////////////////////////////////////////////////////////////////////////
// Private
-bool PrefProvider::RequiresResourceIdentifier(
- ContentSettingsType content_type) const {
- if (CommandLine::ForCurrentProcess()->HasSwitch(
- switches::kEnableResourceContentSettings)) {
- return kRequiresResourceIdentifier[content_type];
- } else {
- return false;
- }
-}
-
-bool PrefProvider::AllDefault(
- const ExtendedContentSettings& settings) const {
- for (size_t i = 0; i < arraysize(settings.content_settings.settings); ++i) {
- if (settings.content_settings.settings[i] != CONTENT_SETTING_DEFAULT)
- return false;
- }
- return settings.content_settings_for_resources.empty();
-}
-
void PrefProvider::ReadExceptions(bool overwrite) {
- base::AutoLock lock(lock_);
+ base::AutoLock auto_lock(lock());
PrefService* prefs = profile_->GetPrefs();
DictionaryValue* all_settings_dictionary =
prefs->GetMutableDictionary(prefs::kContentSettingsPatterns);
if (overwrite)
- host_content_settings_.clear();
+ host_content_settings()->clear();
// Careful: The returned value could be NULL if the pref has never been set.
if (all_settings_dictionary != NULL) {
@@ -727,12 +573,15 @@ void PrefProvider::ReadExceptions(bool overwrite) {
bool found = all_settings_dictionary->GetDictionaryWithoutPathExpansion(
pattern, &pattern_settings_dictionary);
DCHECK(found);
- ContentSettings settings;
- GetSettingsFromDictionary(pattern_settings_dictionary, &settings);
- host_content_settings_[pattern].content_settings = settings;
+
+ ExtendedContentSettings extended_settings;
+ GetSettingsFromDictionary(pattern_settings_dictionary,
+ &extended_settings.content_settings);
GetResourceSettingsFromDictionary(
pattern_settings_dictionary,
- &host_content_settings_[pattern].content_settings_for_resources);
+ &extended_settings.content_settings_for_resources);
+
+ (*host_content_settings())[pattern] = extended_settings;
}
}
}
@@ -911,60 +760,4 @@ void PrefProvider::MigrateObsoletePopupsPref(PrefService* prefs) {
}
}
-// ////////////////////////////////////////////////////////////////////////////
-// LEGACY TBR
-//
-
-ContentSettings PrefProvider::GetNonDefaultContentSettings(
- const GURL& url) const {
- base::AutoLock auto_lock(lock_);
-
- const std::string host(net::GetHostOrSpecFromURL(url));
- ContentSettings output;
- for (int j = 0; j < CONTENT_SETTINGS_NUM_TYPES; ++j)
- output.settings[j] = CONTENT_SETTING_DEFAULT;
-
- // Check for exact matches first.
- HostContentSettings::const_iterator i(host_content_settings_.find(host));
- if (i != host_content_settings_.end())
- output = i->second.content_settings;
-
- // If this map is not for an off-the-record profile, these searches will never
- // match. The additional off-the-record exceptions always overwrite the
- // regular ones.
- i = off_the_record_settings_.find(host);
- if (i != off_the_record_settings_.end()) {
- for (int j = 0; j < CONTENT_SETTINGS_NUM_TYPES; ++j)
- if (i->second.content_settings.settings[j] != CONTENT_SETTING_DEFAULT)
- output.settings[j] = i->second.content_settings.settings[j];
- }
-
- // Match patterns starting with the most concrete pattern match.
- for (std::string key =
- std::string(ContentSettingsPattern::kDomainWildcard) + host; ; ) {
- HostContentSettings::const_iterator i(off_the_record_settings_.find(key));
- if (i != off_the_record_settings_.end()) {
- for (int j = 0; j < CONTENT_SETTINGS_NUM_TYPES; ++j) {
- if (output.settings[j] == CONTENT_SETTING_DEFAULT)
- output.settings[j] = i->second.content_settings.settings[j];
- }
- }
- i = host_content_settings_.find(key);
- if (i != host_content_settings_.end()) {
- for (int j = 0; j < CONTENT_SETTINGS_NUM_TYPES; ++j) {
- if (output.settings[j] == CONTENT_SETTING_DEFAULT)
- output.settings[j] = i->second.content_settings.settings[j];
- }
- }
- const size_t next_dot =
- key.find('.', ContentSettingsPattern::kDomainWildcardLength);
- if (next_dot == std::string::npos)
- break;
- key.erase(ContentSettingsPattern::kDomainWildcardLength,
- next_dot - ContentSettingsPattern::kDomainWildcardLength + 1);
- }
-
- return output;
-}
-
} // namespace content_settings
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