Store Bluetooth permissions in website settings

chrome/browser/ui/bluetooth/bluetooth_chooser_context.cc

+// Copyright 2016 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/ui/bluetooth/bluetooth_chooser_context.h"
+
+#include <utility>
+
+#include "base/values.h"
+#include "chrome/browser/profiles/profile.h"
+
+namespace {
+
+const char kDeviceIdKey[] = "device-id";
+const char kDeviceNameKey[] = "device-name";
+
+const base::DictionaryValue* FindForDevice(
+    const std::vector<scoped_ptr<base::DictionaryValue>>& device_list,
+    const base::string16& device_name,
+    const std::string& device_id) {
+  for (const scoped_ptr<base::DictionaryValue>& device_dict : device_list) {
+    base::string16 tmp_device_name;
+    std::string tmp_device_id;
+    if (device_dict->GetString(kDeviceNameKey, &tmp_device_name) &&
+        tmp_device_name == device_name &&
+        device_dict->GetString(kDeviceIdKey, &tmp_device_id) &&
+        tmp_device_id == device_id) {
+      return device_dict.get();
+    }
+  }
+  return nullptr;
+}
+
+}  // namespace
+
+BluetoothChooserContext::BluetoothChooserContext(Profile* profile)
+    : ChooserContextBase(profile,
+                         CONTENT_SETTINGS_TYPE_BLUETOOTH_CHOOSER_DATA) {}
+
+BluetoothChooserContext::~BluetoothChooserContext() {}
+
+void BluetoothChooserContext::GrantDevicePermission(
+    const GURL& requesting_origin,
+    const GURL& embedding_origin,
+    const base::string16& device_name,
+    const std::string& device_id) {
+  scoped_ptr<base::DictionaryValue> device_dict(new base::DictionaryValue());
+  device_dict->SetString(kDeviceNameKey, device_name);

[Reilly Grant (use Gerrit), 2016/01/06 18:44:13]

No, don't remove this one! We want to store the device name. We just don't need
to check it in the methods below.

[juncai, 2016/01/11 21:55:16]

Done.

+  device_dict->SetString(kDeviceIdKey, device_id);
+  GrantObjectPermission(requesting_origin, embedding_origin,
+                        std::move(device_dict));
+}
+
+void BluetoothChooserContext::RevokeDevicePermission(
+    const GURL& requesting_origin,
+    const GURL& embedding_origin,
+    const base::string16& device_name,
+    const std::string& device_id) {
+  std::vector<scoped_ptr<base::DictionaryValue>> device_list =
+      GetGrantedObjects(requesting_origin, embedding_origin);
+  const base::DictionaryValue* entry =
+      FindForDevice(device_list, device_name, device_id);
+  if (entry)
+    RevokeObjectPermission(requesting_origin, embedding_origin, *entry);
+}
+
+bool BluetoothChooserContext::HasDevicePermission(
+    const GURL& requesting_origin,
+    const GURL& embedding_origin,
+    const base::string16& device_name,
+    const std::string& device_id) {
+  std::vector<scoped_ptr<base::DictionaryValue>> device_list =
+      GetGrantedObjects(requesting_origin, embedding_origin);
+  return FindForDevice(device_list, device_name, device_id) != nullptr;
+}
+
+bool BluetoothChooserContext::IsValidObject(
+    const base::DictionaryValue& object) {
+  return object.size() == 2 && object.HasKey(kDeviceNameKey) &&
+         object.HasKey(kDeviceIdKey);
+}