electron/shell/browser/feature_list.cc

87 lines
3.0 KiB
C++

// Copyright (c) 2019 GitHub, Inc.
// Use of this source code is governed by the MIT license that can be
// found in the LICENSE file.
#include "electron/shell/browser/feature_list.h"
#include <string>
#include "base/base_switches.h"
#include "base/command_line.h"
#include "base/feature_list.h"
#include "base/metrics/field_trial.h"
#include "components/spellcheck/common/spellcheck_features.h"
#include "content/public/common/content_features.h"
#include "electron/buildflags/buildflags.h"
#include "media/base/media_switches.h"
#include "net/base/features.h"
#include "services/network/public/cpp/features.h"
#include "third_party/blink/public/common/features.h"
#if BUILDFLAG(IS_MAC)
#include "content/common/features.h" // nogncheck
#include "device/base/features.h" // nogncheck
#endif
namespace electron {
void InitializeFeatureList() {
auto* cmd_line = base::CommandLine::ForCurrentProcess();
auto enable_features =
cmd_line->GetSwitchValueASCII(::switches::kEnableFeatures);
auto disable_features =
cmd_line->GetSwitchValueASCII(::switches::kDisableFeatures);
// Disable creation of spare renderer process with site-per-process mode,
// it interferes with our process preference tracking for non sandboxed mode.
// Can be reenabled when our site instance policy is aligned with chromium
// when node integration is enabled.
disable_features +=
std::string(",") + features::kSpareRendererForSitePerProcess.name;
#if BUILDFLAG(IS_WIN)
disable_features +=
// Disable async spellchecker suggestions for Windows, which causes
// an empty suggestions list to be returned
std::string(",") + spellcheck::kWinRetrieveSuggestionsOnlyOnDemand.name +
// Delayed spellcheck initialization is causing the
// 'custom dictionary word list API' spec to crash.
std::string(",") + spellcheck::kWinDelaySpellcheckServiceInit.name;
#endif
#if BUILDFLAG(IS_MAC)
// Disable window occlusion checker.
disable_features +=
std::string(",") + features::kMacWebContentsOcclusion.name;
#endif
std::string platform_specific_enable_features =
EnablePlatformSpecificFeatures();
if (platform_specific_enable_features.size() > 0) {
enable_features += std::string(",") + platform_specific_enable_features;
}
std::string platform_specific_disable_features =
DisablePlatformSpecificFeatures();
if (platform_specific_disable_features.size() > 0) {
disable_features += std::string(",") + platform_specific_disable_features;
}
base::FeatureList::InitInstance(enable_features, disable_features);
}
void InitializeFieldTrials() {
auto* cmd_line = base::CommandLine::ForCurrentProcess();
auto force_fieldtrials =
cmd_line->GetSwitchValueASCII(::switches::kForceFieldTrials);
base::FieldTrialList::CreateTrialsFromString(force_fieldtrials);
}
#if !BUILDFLAG(IS_MAC)
std::string EnablePlatformSpecificFeatures() {
return "";
}
std::string DisablePlatformSpecificFeatures() {
return "";
}
#endif
} // namespace electron