app_list: Drive app integration.

chrome/browser/apps/drive/drive_app_mapping.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 "chrome/browser/apps/drive/drive_app_mapping.h"
+
+#include "base/prefs/pref_service.h"
+#include "base/prefs/scoped_user_pref_update.h"
+#include "base/values.h"
+#include "chrome/common/pref_names.h"
+#include "components/pref_registry/pref_registry_syncable.h"
+
+namespace extensions {
+
+DriveAppMapping::DriveAppMapping(PrefService* prefs) : prefs_(prefs) {
+}
+
+DriveAppMapping::~DriveAppMapping() {
+}
+
+// static
+void DriveAppMapping::RegisterProfilePrefs(
+    user_prefs::PrefRegistrySyncable* registry) {
+  registry->RegisterDictionaryPref(
+      prefs::kAppLauncherDriveAppMapping,
+      user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
+}
+
+void DriveAppMapping::Add(const std::string& drive_app_id,
+                          const std::string& chrome_app_id) {
+  DictionaryPrefUpdate update(prefs_, prefs::kAppLauncherDriveAppMapping);
+  update->SetStringWithoutPathExpansion(drive_app_id, chrome_app_id);
+}
+
+void DriveAppMapping::Remove(const std::string& drive_app_id) {
+  DictionaryPrefUpdate update(prefs_, prefs::kAppLauncherDriveAppMapping);
+  update->RemoveWithoutPathExpansion(drive_app_id, NULL);
+}
+
+std::string DriveAppMapping::GetChromeApp(
+    const std::string& drive_app_id) const {
+  const base::DictionaryValue* mapping =
+      prefs_->GetDictionary(prefs::kAppLauncherDriveAppMapping);
+  std::string chrome_app_id;
+  if (mapping->GetStringWithoutPathExpansion(drive_app_id, &chrome_app_id))
+    return chrome_app_id;
+
+  return std::string();
+}
+
+std::string DriveAppMapping::GetDriveApp(
+    const std::string& chrome_app_id) const {
+  const base::DictionaryValue* mapping =
+      prefs_->GetDictionary(prefs::kAppLauncherDriveAppMapping);
+  for (base::DictionaryValue::Iterator it(*mapping); !it.IsAtEnd();
+       it.Advance()) {
+    std::string value_string;
+    DCHECK(it.value().IsType(base::Value::TYPE_STRING));
+    if (it.value().GetAsString(&value_string) &&
+        value_string == chrome_app_id) {
+      return it.key();
+    }
+  }
+  return std::string();
+}
+
+std::set<std::string> DriveAppMapping::GetDriveAppIds() const {
+  const base::DictionaryValue* mapping =
+      prefs_->GetDictionary(prefs::kAppLauncherDriveAppMapping);
+  std::set<std::string> keys;
+  for (base::DictionaryValue::Iterator it(*mapping); !it.IsAtEnd();
+       it.Advance()) {
+    keys.insert(it.key());
+  }
+  return keys;
+}
+
+}  // namespace extensions