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| 1 // Copyright 2015 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #include "chrome/browser/android/contextualsearch/contextual_search_tab_helper.h
" |
| 6 |
| 7 #include "base/android/jni_android.h" |
| 8 #include "base/android/jni_string.h" |
| 9 #include "base/prefs/pref_change_registrar.h" |
| 10 #include "chrome/browser/profiles/profile.h" |
| 11 #include "chrome/browser/profiles/profile_android.h" |
| 12 #include "chrome/common/pref_names.h" |
| 13 #include "jni/ContextualSearchTabHelper_jni.h" |
| 14 |
| 15 |
| 16 ContextualSearchTabHelper::ContextualSearchTabHelper(JNIEnv* env, |
| 17 jobject obj, |
| 18 Profile* profile) |
| 19 : weak_java_ref_(env, obj), |
| 20 pref_change_registrar_(new PrefChangeRegistrar()), |
| 21 weak_factory_(this) { |
| 22 pref_change_registrar_->Init(profile->GetPrefs()); |
| 23 pref_change_registrar_->Add( |
| 24 prefs::kContextualSearchEnabled, |
| 25 base::Bind(&ContextualSearchTabHelper::OnContextualSearchPrefChanged, |
| 26 weak_factory_.GetWeakPtr())); |
| 27 } |
| 28 |
| 29 ContextualSearchTabHelper::~ContextualSearchTabHelper() { |
| 30 pref_change_registrar_->RemoveAll(); |
| 31 } |
| 32 |
| 33 void ContextualSearchTabHelper::OnContextualSearchPrefChanged() { |
| 34 JNIEnv* env = base::android::AttachCurrentThread(); |
| 35 ScopedJavaLocalRef<jobject> jobj = weak_java_ref_.get(env); |
| 36 Java_ContextualSearchTabHelper_onContextualSearchPrefChanged(env, jobj.obj()); |
| 37 } |
| 38 |
| 39 void ContextualSearchTabHelper::Destroy(JNIEnv* env, jobject obj) { |
| 40 delete this; |
| 41 } |
| 42 |
| 43 static jlong Init(JNIEnv* env, jobject obj, jobject java_profile) { |
| 44 Profile* profile = ProfileAndroid::FromProfileAndroid(java_profile); |
| 45 CHECK(profile); |
| 46 ContextualSearchTabHelper* tab = new ContextualSearchTabHelper( |
| 47 env, obj, profile); |
| 48 return reinterpret_cast<intptr_t>(tab); |
| 49 } |
| 50 |
| 51 bool RegisterContextualSearchTabHelper(JNIEnv* env) { |
| 52 return RegisterNativesImpl(env); |
| 53 } |
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