Revert of Supervised user web restrictions content provider

chrome/browser/supervised_user/supervised_user_content_provider_android.cc

-// Copyright 2015 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 "chrome/browser/supervised_user/supervised_user_content_provider_android.h"
-
-#include "base/android/jni_android.h"
-#include "base/android/jni_string.h"
-#include "chrome/browser/profiles/profile.h"
-#include "chrome/browser/profiles/profile_manager.h"
-#include "chrome/browser/supervised_user/supervised_user_interstitial.h"
-#include "chrome/browser/supervised_user/supervised_user_service.h"
-#include "chrome/browser/supervised_user/supervised_user_service_factory.h"
-#include "jni/SupervisedUserContentProvider_jni.h"
-
-using base::android::JavaRef;
-using base::android::JavaParamRef;
-using base::android::ScopedJavaGlobalRef;
-using base::android::AttachCurrentThread;
-
-namespace {
-
-class UrlFilterObserver : public SupervisedUserURLFilter::Observer {
- public:
-  UrlFilterObserver(JNIEnv* env,
-                    const ScopedJavaGlobalRef<jobject>& java_content_provider)
-      : java_content_provider_(java_content_provider) {}
-
-  virtual ~UrlFilterObserver() {}
-
- private:
-  void OnSiteListUpdated() override {
-    Java_SupervisedUserContentProvider_onSupervisedUserFilterUpdated(
-        AttachCurrentThread(), java_content_provider_.obj());
-  }
-  ScopedJavaGlobalRef<jobject> java_content_provider_;
-};
-
-}  // namespace
-
-static jlong CreateSupervisedUserContentProvider(
-    JNIEnv* env,
-    const JavaParamRef<jobject>& caller) {
-  return reinterpret_cast<intptr_t>(
-      new SupervisedUserContentProvider(env, caller));
-}
-
-SupervisedUserContentProvider::SupervisedUserContentProvider(
-    JNIEnv* env,
-    const JavaParamRef<jobject>& caller)
-    : profile_(ProfileManager::GetLastUsedProfile()),
-      java_content_provider_(env, caller),
-      weak_factory_(this) {
-  if (profile_->IsSupervised()) {
-    SupervisedUserService* supervised_user_service =
-        SupervisedUserServiceFactory::GetForProfile(profile_);
-    SupervisedUserURLFilter* url_filter =
-        supervised_user_service->GetURLFilterForUIThread();
-    url_filter->AddObserver(new UrlFilterObserver(env, java_content_provider_));
-  }
-}
-
-SupervisedUserContentProvider::~SupervisedUserContentProvider() {}
-
-void SupervisedUserContentProvider::ShouldProceed(
-    JNIEnv* env,
-    const JavaParamRef<jobject>& caller,
-    const JavaParamRef<jobject>& query_result_jobj,
-    const JavaParamRef<jstring>& url) {
-  if (!profile_->IsSupervised()) {
-    // User isn't supervised
-    Java_SupervisedUserQueryReply_onQueryComplete(env, query_result_jobj.obj(),
-                                                  true, nullptr);
-    return;
-  }
-  SupervisedUserService* supervised_user_service =
-      SupervisedUserServiceFactory::GetForProfile(profile_);
-  SupervisedUserURLFilter* url_filter =
-      supervised_user_service->GetURLFilterForUIThread();
-  url_filter->GetFilteringBehaviorForURLWithAsyncChecks(
-      GURL(base::android::ConvertJavaStringToUTF16(env, url)),
-      base::Bind(&SupervisedUserContentProvider::OnQueryComplete,
-                 weak_factory_.GetWeakPtr(),
-                 ScopedJavaGlobalRef<jobject>(env, query_result_jobj.obj())));
-}
-
-void SupervisedUserContentProvider::RequestInsert(
-    JNIEnv* env,
-    const JavaParamRef<jobject>& caller,
-    const JavaParamRef<jobject>& insert_result_jobj,
-    const JavaParamRef<jstring>& url) {
-  if (!profile_->IsSupervised())
-    return;
-  SupervisedUserService* supervised_user_service =
-      SupervisedUserServiceFactory::GetForProfile(profile_);
-  supervised_user_service->AddURLAccessRequest(
-      GURL(base::android::ConvertJavaStringToUTF16(env, url)),
-      base::Bind(&SupervisedUserContentProvider::OnInsertRequestSendComplete,
-                 weak_factory_.GetWeakPtr(),
-                 ScopedJavaGlobalRef<jobject>(env, insert_result_jobj.obj())));
-}
-
-void SupervisedUserContentProvider::OnQueryComplete(
-    ScopedJavaGlobalRef<jobject> query_reply_jobj,
-    SupervisedUserURLFilter::FilteringBehavior behavior,
-    SupervisedUserURLFilter::FilteringBehaviorReason reason,
-    bool /* uncertain */) {
-  if (behavior != SupervisedUserURLFilter::BLOCK) {
-    Java_SupervisedUserQueryReply_onQueryComplete(
-        AttachCurrentThread(), query_reply_jobj.obj(), true, nullptr);
-  } else {
-    JNIEnv* env = AttachCurrentThread();
-    Java_SupervisedUserQueryReply_onQueryComplete(
-        env, query_reply_jobj.obj(), false,
-        base::android::ConvertUTF8ToJavaString(
-            env, SupervisedUserInterstitial::GetHTMLContents(profile_, reason))
-            .obj());
-  }
-}
-
-void SupervisedUserContentProvider::SetFilterForTesting(JNIEnv* env,
-                                                        jobject caller) {
-  if (!profile_->IsSupervised())
-    return;
-  SupervisedUserService* supervised_user_service =
-      SupervisedUserServiceFactory::GetForProfile(profile_);
-  SupervisedUserURLFilter* url_filter =
-      supervised_user_service->GetURLFilterForUIThread();
-  url_filter->SetDefaultFilteringBehavior(SupervisedUserURLFilter::BLOCK);
-}
-
-void SupervisedUserContentProvider::OnInsertRequestSendComplete(
-    ScopedJavaGlobalRef<jobject> insert_reply_jobj,
-    bool sent_ok) {
-  Java_SupervisedUserInsertReply_onInsertRequestSendComplete(
-      AttachCurrentThread(), insert_reply_jobj.obj(), sent_ok);
-}
-
-bool SupervisedUserContentProvider::Register(JNIEnv* env) {
-  return RegisterNativesImpl(env);
-}