blob: 21a18de365f1e94c05ba31dea02892a48e1dc379 [file] [log] [blame]
// Copyright 2018 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "android_webview/browser/aw_feature_list.h"
#include <string>
#include "android_webview/native_jni/AwFeatureList_jni.h"
#include "base/android/jni_string.h"
#include "base/feature_list.h"
#include "base/macros.h"
#include "base/stl_util.h"
using base::android::ConvertJavaStringToUTF8;
using base::android::JavaParamRef;
namespace android_webview {
namespace {
// Array of features exposed through the Java ChromeFeatureList API. Entries in
// this array may either refer to features defined in the header of this file or
// in other locations in the code base (e.g. content/, components/, etc).
const base::Feature* kFeaturesExposedToJava[] = {
const base::Feature* FindFeatureExposedToJava(const std::string& feature_name) {
for (size_t i = 0; i < base::size(kFeaturesExposedToJava); ++i) {
if (kFeaturesExposedToJava[i]->name == feature_name)
return kFeaturesExposedToJava[i];
NOTREACHED() << "Queried feature cannot be found in AwFeatureList: "
<< feature_name;
return nullptr;
} // namespace
namespace features {
// Alphabetical:
// Viz for WebView architecture.
const base::Feature kVizForWebView{"VizForWebView",
// Enable brotli compression support in WebView.
const base::Feature kWebViewBrotliSupport{"WebViewBrotliSupport",
// Use the SafeBrowsingApiHandler which uses the connectionless GMS APIs. This
// Feature is checked and used in downstream internal code.
const base::Feature kWebViewConnectionlessSafeBrowsing{
"WebViewConnectionlessSafeBrowsing", base::FEATURE_DISABLED_BY_DEFAULT};
// Sniff the content stream to guess the MIME type when the application doesn't
// tell us the MIME type explicitly.
// This only applies:
// * when NetworkService is enabled (if disabled, the legacy net path sniffs
// content anyway, as an implementation detail).
// * to app-provided content (shouldInterceptRequest,
// file:///android_{asset,res} URLs, content:// URLs), rather than content
// from the net stack (we may sniff content from the net stack anyway,
// depending on headers, but that's a NetworkService implementation detail).
const base::Feature kWebViewSniffMimeType{"WebViewSniffMimeType",
// Enable raster in wide color gamut for apps that use webview in a wide color
// gamut activity.
const base::Feature kWebViewWideColorGamutSupport{
"WebViewWideColorGamutSupport", base::FEATURE_ENABLED_BY_DEFAULT};
} // namespace features
static jboolean JNI_AwFeatureList_IsEnabled(
JNIEnv* env,
const JavaParamRef<jstring>& jfeature_name) {
const base::Feature* feature =
FindFeatureExposedToJava(ConvertJavaStringToUTF8(env, jfeature_name));
return base::FeatureList::IsEnabled(*feature);
} // namespace android_webview