Java wrapper for DistilledPagePrefs.

components/dom_distiller/core/reader_mode_preferences_android.cc

+// Copyright 2014 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 "components/dom_distiller/core/reader_mode_preferences_android.h"
+#include "components/dom_distiller/core/reader_mode_preferences.h"
+
+#include "jni/ReaderModePreferencesAndroid_jni.h"
+
+namespace dom_distiller {
+namespace reader_mode_preferences {
+namespace android {
+
+void SetHighContrastMode(JNIEnv* env,
+                         jobject obj,
+                         jlong ptr,
+                         jboolean enabled) {
+  ReaderModePrefs* myReaderModePrefs = reinterpret_cast<ReaderModePrefs*>(ptr);
+  if (enabled) {
+    myReaderModePrefs->SetThemePref(ReaderModePrefs::Theme::kHighContrast);
+  } else {
+    myReaderModePrefs->SetThemePref(ReaderModePrefs::Theme::kNormal);
+  }
+}
+
+bool RegisterReaderModePrefsAndroid(JNIEnv* env) {
+  return RegisterNativesImpl(env);
+}
+
+}  // namespace android
+}  // namespace reader_mode_preferences
+}  // namespace dom_distiller