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WebPreferences.cpp
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WebPreferences.cpp
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/*
* Copyright (C) 2010-2022 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "WebPreferences.h"
#include "WebPageGroup.h"
#include "WebPageProxy.h"
#include "WebPreferencesKeys.h"
#include "WebProcessPool.h"
#include <WebCore/LibWebRTCProvider.h>
#include <WebCore/StorageBlockingPolicy.h>
#include <wtf/NeverDestroyed.h>
#include <wtf/ThreadingPrimitives.h>
#if !PLATFORM(COCOA)
#include <WebCore/NotImplemented.h>
#endif
namespace WebKit {
Ref<WebPreferences> WebPreferences::create(const String& identifier, const String& keyPrefix, const String& globalDebugKeyPrefix)
{
return adoptRef(*new WebPreferences(identifier, keyPrefix, globalDebugKeyPrefix));
}
Ref<WebPreferences> WebPreferences::createWithLegacyDefaults(const String& identifier, const String& keyPrefix, const String& globalDebugKeyPrefix)
{
auto preferences = WebPreferences::create(identifier, keyPrefix, globalDebugKeyPrefix);
// FIXME: The registerDefault...ValueForKey machinery is unnecessarily heavyweight and complicated.
// We can just compute different defaults for modern and legacy APIs in WebPreferencesDefinitions.h macros.
preferences->registerDefaultBoolValueForKey(WebPreferencesKey::pluginsEnabledKey(), true);
preferences->registerDefaultUInt32ValueForKey(WebPreferencesKey::storageBlockingPolicyKey(), static_cast<uint32_t>(WebCore::StorageBlockingPolicy::AllowAll));
return preferences;
}
WebPreferences::WebPreferences(const String& identifier, const String& keyPrefix, const String& globalDebugKeyPrefix)
: m_identifier(identifier)
, m_keyPrefix(keyPrefix)
, m_globalDebugKeyPrefix(globalDebugKeyPrefix)
{
platformInitializeStore();
}
WebPreferences::WebPreferences(const WebPreferences& other)
: m_identifier()
, m_keyPrefix(other.m_keyPrefix)
, m_globalDebugKeyPrefix(other.m_globalDebugKeyPrefix)
, m_store(other.m_store)
{
platformInitializeStore();
}
WebPreferences::~WebPreferences()
{
ASSERT(m_pages.isEmptyIgnoringNullReferences());
}
const Vector<RefPtr<API::Object>>& WebPreferences::experimentalFeatures()
{
static auto experimentalFeatures = NeverDestroyed([]() {
Vector<RefPtr<API::Object>> result;
for (auto& object : features()) {
API::FeatureStatus status = static_pointer_cast<API::Feature>(object)->status();
if (status == API::FeatureStatus::Developer || status == API::FeatureStatus::Testable || status == API::FeatureStatus::Preview || status == API::FeatureStatus::Stable)
result.append(object);
}
return result;
}());
return experimentalFeatures;
}
const Vector<RefPtr<API::Object>>& WebPreferences::internalDebugFeatures()
{
static auto internalDebugFeatures = NeverDestroyed([]() {
Vector<RefPtr<API::Object>> result;
for (auto& object : features()) {
API::FeatureStatus status = static_pointer_cast<API::Feature>(object)->status();
if (status == API::FeatureStatus::Unstable || status == API::FeatureStatus::Internal)
result.append(object);
}
return result;
}());
return internalDebugFeatures;
}
Ref<WebPreferences> WebPreferences::copy() const
{
return adoptRef(*new WebPreferences(*this));
}
void WebPreferences::addPage(WebPageProxy& webPageProxy)
{
ASSERT(!m_pages.contains(webPageProxy));
m_pages.add(webPageProxy);
}
void WebPreferences::removePage(WebPageProxy& webPageProxy)
{
ASSERT(m_pages.contains(webPageProxy));
m_pages.remove(webPageProxy);
}
void WebPreferences::update()
{
if (m_updateBatchCount) {
m_needUpdateAfterBatch = true;
return;
}
for (auto& webPageProxy : m_pages)
webPageProxy.preferencesDidChange();
}
void WebPreferences::startBatchingUpdates()
{
if (!m_updateBatchCount)
m_needUpdateAfterBatch = false;
++m_updateBatchCount;
}
void WebPreferences::endBatchingUpdates()
{
ASSERT(m_updateBatchCount > 0);
--m_updateBatchCount;
if (!m_updateBatchCount && m_needUpdateAfterBatch)
update();
}
void WebPreferences::setBoolValueForKey(const String& key, bool value, bool ephemeral)
{
if (!m_store.setBoolValueForKey(key, value))
return;
updateBoolValueForKey(key, value, ephemeral);
}
void WebPreferences::setDoubleValueForKey(const String& key, double value, bool ephemeral)
{
if (!m_store.setDoubleValueForKey(key, value))
return;
updateDoubleValueForKey(key, value, ephemeral);
}
void WebPreferences::setUInt32ValueForKey(const String& key, uint32_t value, bool ephemeral)
{
if (!m_store.setUInt32ValueForKey(key, value))
return;
updateUInt32ValueForKey(key, value, ephemeral);
}
void WebPreferences::setStringValueForKey(const String& key, const String& value, bool ephemeral)
{
if (!m_store.setStringValueForKey(key, value))
return;
updateStringValueForKey(key, value, ephemeral);
}
void WebPreferences::updateStringValueForKey(const String& key, const String& value, bool ephemeral)
{
platformUpdateStringValueForKey(key, value);
update(); // FIXME: Only send over the changed key and value.
}
void WebPreferences::updateBoolValueForKey(const String& key, bool value, bool ephemeral)
{
if (!ephemeral)
platformUpdateBoolValueForKey(key, value);
if (key == WebPreferencesKey::processSwapOnCrossSiteNavigationEnabledKey()) {
for (auto& page : m_pages)
page.process().processPool().configuration().setProcessSwapsOnNavigation(value);
return;
}
update(); // FIXME: Only send over the changed key and value.
}
void WebPreferences::updateUInt32ValueForKey(const String& key, uint32_t value, bool ephemeral)
{
platformUpdateUInt32ValueForKey(key, value);
update(); // FIXME: Only send over the changed key and value.
}
void WebPreferences::updateDoubleValueForKey(const String& key, double value, bool ephemeral)
{
platformUpdateDoubleValueForKey(key, value);
update(); // FIXME: Only send over the changed key and value.
}
void WebPreferences::updateFloatValueForKey(const String& key, float value, bool ephemeral)
{
platformUpdateFloatValueForKey(key, value);
update(); // FIXME: Only send over the changed key and value.
}
void WebPreferences::deleteKey(const String& key)
{
m_store.deleteKey(key);
platformDeleteKey(key);
update(); // FIXME: Only send over the changed key and value.
}
void WebPreferences::registerDefaultBoolValueForKey(const String& key, bool value)
{
m_store.setOverrideDefaultsBoolValueForKey(key, value);
bool userValue;
if (platformGetBoolUserValueForKey(key, userValue))
m_store.setBoolValueForKey(key, userValue);
}
void WebPreferences::registerDefaultUInt32ValueForKey(const String& key, uint32_t value)
{
m_store.setOverrideDefaultsUInt32ValueForKey(key, value);
uint32_t userValue;
if (platformGetUInt32UserValueForKey(key, userValue))
m_store.setUInt32ValueForKey(key, userValue);
}
#if !PLATFORM(COCOA) && !PLATFORM(GTK)
void WebPreferences::platformInitializeStore()
{
notImplemented();
}
#endif
#if !PLATFORM(COCOA)
void WebPreferences::platformUpdateStringValueForKey(const String&, const String&)
{
notImplemented();
}
void WebPreferences::platformUpdateBoolValueForKey(const String&, bool)
{
notImplemented();
}
void WebPreferences::platformUpdateUInt32ValueForKey(const String&, uint32_t)
{
notImplemented();
}
void WebPreferences::platformUpdateDoubleValueForKey(const String&, double)
{
notImplemented();
}
void WebPreferences::platformUpdateFloatValueForKey(const String&, float)
{
notImplemented();
}
void WebPreferences::platformDeleteKey(const String&)
{
notImplemented();
}
bool WebPreferences::platformGetStringUserValueForKey(const String&, String&)
{
notImplemented();
return false;
}
bool WebPreferences::platformGetBoolUserValueForKey(const String&, bool&)
{
notImplemented();
return false;
}
bool WebPreferences::platformGetUInt32UserValueForKey(const String&, uint32_t&)
{
notImplemented();
return false;
}
bool WebPreferences::platformGetDoubleUserValueForKey(const String&, double&)
{
notImplemented();
return false;
}
#endif
} // namespace WebKit