| /* |
| * Copyright (C) 2018 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 "WebPreferencesDefaultValues.h" |
| |
| #include <WebCore/RuntimeApplicationChecks.h> |
| #include <wtf/text/WTFString.h> |
| |
| #if PLATFORM(COCOA) |
| #include <pal/spi/cocoa/FeatureFlagsSPI.h> |
| #include <wtf/cocoa/RuntimeApplicationChecksCocoa.h> |
| #endif |
| |
| #if ENABLE(MEDIA_SESSION_COORDINATOR) |
| #import "WebProcess.h" |
| #import <wtf/cocoa/Entitlements.h> |
| #endif |
| |
| namespace WebKit { |
| |
| #if !PLATFORM(COCOA) && !PLATFORM(WIN) |
| bool isFeatureFlagEnabled(const char*, bool defaultValue) |
| { |
| return defaultValue; |
| } |
| #endif |
| |
| #if PLATFORM(IOS_FAMILY) |
| |
| bool defaultPassiveTouchListenersAsDefaultOnDocument() |
| { |
| static bool result = linkedOnOrAfter(SDKVersion::FirstThatDefaultsToPassiveTouchListenersOnDocument); |
| return result; |
| } |
| |
| bool defaultCSSOMViewScrollingAPIEnabled() |
| { |
| static bool result = WebCore::IOSApplication::isIMDb() && !linkedOnOrAfter(SDKVersion::FirstWithoutIMDbCSSOMViewScrollingQuirk); |
| return !result; |
| } |
| |
| #if !USE(APPLE_INTERNAL_SDK) |
| bool defaultAlternateFormControlDesignEnabled() |
| { |
| return false; |
| } |
| #endif |
| |
| #endif |
| |
| #if PLATFORM(MAC) |
| |
| bool defaultPassiveWheelListenersAsDefaultOnDocument() |
| { |
| static bool result = linkedOnOrAfter(SDKVersion::FirstThatDefaultsToPassiveWheelListenersOnDocument); |
| return result; |
| } |
| |
| bool defaultWheelEventGesturesBecomeNonBlocking() |
| { |
| static bool result = linkedOnOrAfter(SDKVersion::FirstThatAllowsWheelEventGesturesToBecomeNonBlocking); |
| return result; |
| } |
| |
| #endif |
| |
| #if PLATFORM(MAC) || PLATFORM(IOS_FAMILY) |
| |
| bool defaultDisallowSyncXHRDuringPageDismissalEnabled() |
| { |
| #if PLATFORM(MAC) || PLATFORM(MACCATALYST) |
| if (CFPreferencesGetAppBooleanValue(CFSTR("allowDeprecatedSynchronousXMLHttpRequestDuringUnload"), CFSTR("com.apple.WebKit"), nullptr)) { |
| WTFLogAlways("Allowing synchronous XHR during page unload due to managed preference"); |
| return false; |
| } |
| #elif PLATFORM(IOS_FAMILY) && !PLATFORM(MACCATALYST) && !PLATFORM(WATCHOS) |
| if (allowsDeprecatedSynchronousXMLHttpRequestDuringUnload()) { |
| WTFLogAlways("Allowing synchronous XHR during page unload due to managed preference"); |
| return false; |
| } |
| #endif |
| return true; |
| } |
| |
| #endif |
| |
| #if PLATFORM(MAC) |
| |
| bool defaultAppleMailPaginationQuirkEnabled() |
| { |
| return WebCore::MacApplication::isAppleMail(); |
| } |
| |
| #endif |
| |
| static bool defaultAsyncFrameAndOverflowScrollingEnabled() |
| { |
| #if PLATFORM(IOS_FAMILY) |
| return true; |
| #endif |
| |
| #if PLATFORM(MAC) |
| bool defaultValue = true; |
| #else |
| bool defaultValue = false; |
| #endif |
| |
| return isFeatureFlagEnabled("async_frame_and_overflow_scrolling", defaultValue); |
| } |
| |
| bool defaultAsyncFrameScrollingEnabled() |
| { |
| #if USE(NICOSIA) |
| return true; |
| #endif |
| |
| return defaultAsyncFrameAndOverflowScrollingEnabled(); |
| } |
| |
| bool defaultAsyncOverflowScrollingEnabled() |
| { |
| return defaultAsyncFrameAndOverflowScrollingEnabled(); |
| } |
| |
| bool defaultOfflineWebApplicationCacheEnabled() |
| { |
| #if PLATFORM(COCOA) |
| static bool newSDK = linkedOnOrAfter(SDKVersion::FirstWithApplicationCacheDisabledByDefault); |
| return !newSDK; |
| #else |
| // FIXME: Other platforms should consider turning this off. |
| // ApplicationCache is on its way to being removed from WebKit. |
| return true; |
| #endif |
| } |
| |
| #if ENABLE(GPU_PROCESS) |
| |
| bool defaultUseGPUProcessForCanvasRenderingEnabled() |
| { |
| #if ENABLE(GPU_PROCESS_BY_DEFAULT) || PLATFORM(WIN) |
| bool defaultValue = true; |
| #else |
| bool defaultValue = false; |
| #endif |
| |
| return isFeatureFlagEnabled("gpu_process_canvas_rendering", defaultValue); |
| } |
| |
| bool defaultUseGPUProcessForDOMRenderingEnabled() |
| { |
| return isFeatureFlagEnabled("gpu_process_dom_rendering", false); |
| } |
| |
| bool defaultUseGPUProcessForMediaEnabled() |
| { |
| #if ENABLE(GPU_PROCESS_BY_DEFAULT) |
| bool defaultValue = true; |
| #else |
| bool defaultValue = false; |
| #endif |
| |
| return isFeatureFlagEnabled("gpu_process_media", defaultValue); |
| } |
| |
| bool defaultUseGPUProcessForWebGLEnabled() |
| { |
| #if PLATFORM(WIN) |
| bool defaultValue = true; |
| #else |
| bool defaultValue = false; |
| #endif |
| return isFeatureFlagEnabled("gpu_process_webgl", defaultValue); |
| } |
| |
| #endif // ENABLE(GPU_PROCESS) |
| |
| #if ENABLE(MEDIA_STREAM) |
| |
| bool defaultCaptureAudioInGPUProcessEnabled() |
| { |
| #if PLATFORM(MAC) |
| // FIXME: Enable GPU process audio capture when <rdar://problem/29448368> is fixed. |
| if (!WebCore::MacApplication::isSafari()) |
| return false; |
| #endif |
| |
| #if ENABLE(GPU_PROCESS_BY_DEFAULT) |
| bool defaultValue = true; |
| #else |
| bool defaultValue = false; |
| #endif |
| |
| #if PLATFORM(MAC) |
| return isFeatureFlagEnabled("gpu_process_webrtc", defaultValue); |
| #elif PLATFORM(IOS_FAMILY) |
| return isFeatureFlagEnabled("gpu_process_media", defaultValue); |
| #else |
| return defaultValue; |
| #endif |
| } |
| |
| bool defaultCaptureAudioInUIProcessEnabled() |
| { |
| #if PLATFORM(MAC) |
| return !defaultCaptureAudioInGPUProcessEnabled(); |
| #endif |
| |
| return false; |
| } |
| |
| bool defaultCaptureVideoInGPUProcessEnabled() |
| { |
| #if ENABLE(GPU_PROCESS_BY_DEFAULT) |
| bool defaultValue = true; |
| #else |
| bool defaultValue = false; |
| #endif |
| |
| return isFeatureFlagEnabled("gpu_process_webrtc", defaultValue); |
| } |
| |
| #endif // ENABLE(MEDIA_STREAM) |
| |
| #if ENABLE(WEB_RTC) |
| |
| bool defaultWebRTCCodecsInGPUProcess() |
| { |
| #if ENABLE(GPU_PROCESS_BY_DEFAULT) |
| bool defaultValue = true; |
| #else |
| bool defaultValue = false; |
| #endif |
| |
| return isFeatureFlagEnabled("gpu_process_webrtc", defaultValue); |
| } |
| |
| #endif // ENABLE(WEB_RTC) |
| |
| #if HAVE(INCREMENTAL_PDF_APIS) |
| bool defaultIncrementalPDFEnabled() |
| { |
| #if PLATFORM(MAC) |
| bool defaultValue = true; |
| #else |
| bool defaultValue = false; |
| #endif |
| |
| return isFeatureFlagEnabled("incremental_pdf", defaultValue); |
| } |
| #endif |
| |
| #if ENABLE(WEBXR) |
| |
| bool defaultWebXREnabled() |
| { |
| #if HAVE(WEBXR_INTERNALS) |
| return true; |
| #else |
| return false; |
| #endif |
| } |
| |
| #endif // ENABLE(WEBXR) |
| |
| #if ENABLE(WEBM_FORMAT_READER) |
| |
| bool defaultWebMFormatReaderEnabled() |
| { |
| #if PLATFORM(MAC) |
| bool defaultValue = true; |
| #else |
| bool defaultValue = false; |
| #endif |
| |
| return isFeatureFlagEnabled("webm_format_reader", defaultValue); |
| } |
| |
| #endif // ENABLE(WEBM_FORMAT_READER) |
| |
| #if ENABLE(VP9) |
| |
| bool defaultVP8DecoderEnabled() |
| { |
| return isFeatureFlagEnabled("vp8_decoder", true); |
| } |
| |
| bool defaultVP9DecoderEnabled() |
| { |
| return isFeatureFlagEnabled("vp9_decoder", true); |
| } |
| |
| bool defaultVP9SWDecoderEnabledOnBattery() |
| { |
| return isFeatureFlagEnabled("sw_vp9_decoder_on_battery", false); |
| } |
| #endif // ENABLE(VP9) |
| |
| #if ENABLE(MEDIA_SOURCE) |
| |
| bool defaultWebMParserEnabled() |
| { |
| return isFeatureFlagEnabled("webm_parser", true); |
| } |
| |
| #endif // ENABLE(MEDIA_SOURCE) |
| |
| #if ENABLE(MEDIA_SESSION_COORDINATOR) |
| bool defaultMediaSessionCoordinatorEnabled() |
| { |
| static dispatch_once_t onceToken; |
| static bool enabled { false }; |
| dispatch_once(&onceToken, ^{ |
| if (WebCore::isInWebProcess()) |
| enabled = WebProcess::singleton().parentProcessHasEntitlement("com.apple.developer.group-session.urlactivity"); |
| else |
| enabled = WTF::processHasEntitlement("com.apple.developer.group-session.urlactivity"); |
| }); |
| return enabled; |
| } |
| #endif |
| |
| #if HAVE(SCREEN_CAPTURE_KIT) |
| bool defaultScreenCaptureKitEnabled() |
| { |
| #if ENABLE(SCREEN_CAPTURE_KIT) |
| return true; |
| #else |
| return false; |
| #endif |
| } |
| #endif // HAVE(SCREEN_CAPTURE_KIT) |
| |
| |
| } // namespace WebKit |