Base infrastructure for Networking Private API on Windows and Mac.

Based on https://codereview.chromium.org/22295002/, 
but moves WiFiService to components/ and runs it in browser process instead of utility process.

Windows implementation is in http://crrev.com/68503019. 
 

BUG=267667

Review URL: https://codereview.chromium.org/54323003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@236752 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 119 insertions, 0 deletions

diff --git a/components/wifi/wifi_service.h b/components/wifi/wifi_service.h
new file mode 100644
index 0000000..e29d936
--- /dev/null
+++ b/components/wifi/wifi_service.h
@@ -0,0 +1,119 @@
+// 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.
+
+#ifndef CHROME_UTILITY_WIFI_WIFI_SERVICE_H_
+#define CHROME_UTILITY_WIFI_WIFI_SERVICE_H_
+
+#include <list>
+#include <string>
+#include <vector>
+
+#include "base/callback.h"
+#include "base/memory/ref_counted.h"
+#include "base/message_loop/message_loop_proxy.h"
+#include "base/values.h"
+#include "components/wifi/wifi_export.h"
+
+namespace wifi {
+
+// WiFiService interface used by implementation of chrome.networkingPrivate
+// JavaScript extension API. All methods should be called on worker thread.
+// It could be created on any (including UI) thread, so nothing expensive should
+// be done in the constructor.
+class WIFI_EXPORT WiFiService {
+ public:
+  typedef std::vector<std::string> NetworkGuidList;
+  typedef base::Callback<
+      void(const NetworkGuidList& network_guid_list)> NetworkGuidListCallback;
+
+  virtual ~WiFiService() {}
+
+  // Create instance of |WiFiService| for normal use.
+  static WiFiService* Create();
+  // Create instance of |WiFiService| for unit test use.
+  static WiFiService* CreateForTest();
+
+  // Get Properties of network identified by |network_guid|. Populates
+  // |properties| on success, |error| on failure.
+  virtual void GetProperties(const std::string& network_guid,
+                             DictionaryValue* properties,
+                             std::string* error) = 0;
+
+  // Set Properties of network identified by |network_guid|. Populates |error|
+  // on failure.
+  virtual void SetProperties(const std::string& network_guid,
+                             scoped_ptr<base::DictionaryValue> properties,
+                             std::string* error) = 0;
+
+  // Get list of visible networks. Populates |network_list| on success.
+  virtual void GetVisibleNetworks(ListValue* network_list) = 0;
+
+  // Request network scan. Send |NetworkListChanged| event on completion.
+  virtual void RequestNetworkScan() = 0;
+
+  // Start connect to network identified by |network_guid|. Populates |error|
+  // on failure.
+  virtual void StartConnect(const std::string& network_guid,
+                            std::string* error) = 0;
+
+  // Start disconnect from network identified by |network_guid|. Populates
+  // |error| on failure.
+  virtual void StartDisconnect(const std::string& network_guid,
+                               std::string* error) = 0;
+
+  // Set observers to run when |NetworksChanged| and |NetworksListChanged|
+  // events needs to be sent. Notifications are posted on |message_loop_proxy|.
+  virtual void SetEventObservers(
+      scoped_refptr<base::MessageLoopProxy> message_loop_proxy,
+      const NetworkGuidListCallback& networks_changed_observer,
+      const NetworkGuidListCallback& network_list_changed_observer) = 0;
+
+ protected:
+  WiFiService() {}
+
+  typedef int32 Frequency;
+  enum FrequencyEnum {
+    kFrequencyUnknown = 0,
+    kFrequency2400 = 2400,
+    kFrequency5000 = 5000
+  };
+
+  typedef std::list<Frequency> FrequencyList;
+  // Network Properties, used as result of |GetProperties| and
+  // |GetVisibleNetworks|.
+  struct WIFI_EXPORT NetworkProperties {
+    NetworkProperties();
+    ~NetworkProperties();
+
+    std::string connection_state;
+    std::string guid;
+    std::string name;
+    std::string ssid;
+    std::string bssid;
+    std::string type;
+    std::string security;
+    // WiFi Signal Strength. 0..100
+    uint32 signal_strength;
+    bool auto_connect;
+    Frequency frequency;
+    FrequencyList frequency_list;
+
+    std::string json_extra;  // Extra JSON properties for unit tests
+
+    scoped_ptr<base::DictionaryValue> ToValue(bool network_list) const;
+    bool UpdateFromValue(const base::DictionaryValue& value);
+    static std::string MacAddressAsString(const uint8 mac_as_int[6]);
+    static bool OrderByType(const NetworkProperties& l,
+                            const NetworkProperties& r);
+  };
+
+  typedef std::list<NetworkProperties> NetworkList;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(WiFiService);
+};
+
+}  // namespace wifi
+
+#endif  // CHROME_UTILITY_WIFI_WIFI_SERVICE_H_