Added pref for snapshot document collapsed state

chrome/browser/android/new_tab_page_prefs.cc

Index: chrome/browser/android/new_tab_page_prefs.cc
diff --git a/chrome/browser/android/new_tab_page_prefs.cc b/chrome/browser/android/new_tab_page_prefs.cc
new file mode 100644
index 0000000000000000000000000000000000000000..be2896117980a20d54c703747f447b8088282458
--- /dev/null
+++ b/chrome/browser/android/new_tab_page_prefs.cc
@@ -0,0 +1,115 @@
+// Copyright 2013 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/android/new_tab_page_prefs.h"
+
+#include <jni.h>
+
+#include "base/android/jni_string.h"
+#include "base/prefs/pref_service.h"
+#include "base/prefs/scoped_user_pref_update.h"
+#include "chrome/browser/profiles/profile_android.h"
+#include "chrome/common/pref_names.h"
+#include "components/user_prefs/pref_registry_syncable.h"
+#include "jni/NewTabPagePrefs_jni.h"
+
+using base::android::ConvertJavaStringToUTF8;
+
+static jint Init(JNIEnv* env, jclass clazz, jobject profile) {
+  NewTabPagePrefs* new_tab_page_prefs =
+      new NewTabPagePrefs(ProfileAndroid::FromProfileAndroid(profile));
+  return reinterpret_cast<jint>(new_tab_page_prefs);
+}
+
+NewTabPagePrefs::NewTabPagePrefs(Profile* profile)
+  : profile_(profile) {
+}
+
+void NewTabPagePrefs::Destroy(JNIEnv* env, jobject obj) {
+  delete this;
+}
+
+NewTabPagePrefs::~NewTabPagePrefs() {
+}
+
+jboolean NewTabPagePrefs::GetSnapshotDocumentCollapsed(JNIEnv* env,
+                                                       jobject obj) {
+  return profile_->GetPrefs()->GetBoolean(prefs::kNtpCollapsedSnapshotDocument);
+}
+
+void NewTabPagePrefs::SetSnapshotDocumentCollapsed(JNIEnv* env,
+                                                   jobject obj,
+                                                   jboolean is_collapsed) {
+  PrefService* prefs = profile_->GetPrefs();
+  prefs->SetBoolean(prefs::kNtpCollapsedSnapshotDocument, is_collapsed);
+}
+
+jboolean NewTabPagePrefs::GetRecentlyClosedTabsCollapsed(JNIEnv* env,
+                                                         jobject obj) {
+  return profile_->GetPrefs()->GetBoolean(
+      prefs::kNtpCollapsedRecentlyClosedTabs);
+}
+
+void NewTabPagePrefs::SetRecentlyClosedTabsCollapsed(JNIEnv* env,
+                                                     jobject obj,
+                                                     jboolean is_collapsed) {
+  PrefService* prefs = profile_->GetPrefs();
+  prefs->SetBoolean(prefs::kNtpCollapsedRecentlyClosedTabs, is_collapsed);
+}
+
+jboolean NewTabPagePrefs::GetSyncPromoCollapsed(JNIEnv* env,
+                                                       jobject obj) {
+  return profile_->GetPrefs()->GetBoolean(prefs::kNtpCollapsedSyncPromo);
+}
+
+void NewTabPagePrefs::SetSyncPromoCollapsed(JNIEnv* env,
+                                            jobject obj,
+                                            jboolean is_collapsed) {
+  PrefService* prefs = profile_->GetPrefs();
+  prefs->SetBoolean(prefs::kNtpCollapsedSyncPromo, is_collapsed);
+}
+
+jboolean NewTabPagePrefs::GetForeignSessionCollapsed(JNIEnv* env,
+                                                     jobject obj,
+                                                     jstring session_tag) {
+  const DictionaryValue* dict = profile_->GetPrefs()->GetDictionary(
+      prefs::kNtpCollapsedForeignSessions);
+  return dict && dict->HasKey(ConvertJavaStringToUTF8(env, session_tag));
+}
+
+void NewTabPagePrefs::SetForeignSessionCollapsed(JNIEnv* env,
+                                                 jobject obj,
+                                                 jstring session_tag,
+                                                 jboolean is_collapsed) {
+  // Store session tags for collapsed sessions in a preference so that the
+  // collapsed state persists.
+  PrefService* prefs = profile_->GetPrefs();
+  DictionaryPrefUpdate update(prefs, prefs::kNtpCollapsedForeignSessions);
+  if (is_collapsed)
+    update.Get()->SetBoolean(ConvertJavaStringToUTF8(env, session_tag), true);
+  else
+    update.Get()->Remove(ConvertJavaStringToUTF8(env, session_tag), NULL);
+}
+
+// static
+void NewTabPagePrefs::RegisterProfilePrefs(
+    user_prefs::PrefRegistrySyncable* registry) {
+  registry->RegisterBooleanPref(
+      prefs::kNtpCollapsedSnapshotDocument,
+      false,
+      user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
+  registry->RegisterBooleanPref(
+      prefs::kNtpCollapsedRecentlyClosedTabs,
+      false,
+      user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
+  registry->RegisterBooleanPref(
+      prefs::kNtpCollapsedSyncPromo,
+      false,
+      user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
+}
+
+// static
+bool NewTabPagePrefs::RegisterNewTabPagePrefs(JNIEnv* env) {
+  return RegisterNativesImpl(env);
+}