Add the Copresence API.

chrome/browser/extensions/api/copresence/copresence_api.h

+// 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.
+
+#ifndef CHROME_BROWSER_EXTENSIONS_API_COPRESENCE_COPRESENCE_API_H_
+#define CHROME_BROWSER_EXTENSIONS_API_COPRESENCE_COPRESENCE_API_H_
+
+#include <map>
+#include <string>
+#include <vector>
+
+#include "base/macros.h"
+#include "base/memory/scoped_ptr.h"
+#include "chrome/browser/extensions/api/copresence/copresence_translations.h"
+#include "chrome/browser/extensions/chrome_extension_function.h"
+#include "chrome/common/extensions/api/copresence.h"
+#include "components/copresence/public/copresence_client_delegate.h"
+#include "extensions/browser/browser_context_keyed_api_factory.h"
+
+class PrefRegistrySimple;
+
+namespace copresence {
+class CopresenceClient;
+class WhispernetClient;
+}
+
+namespace extensions {
+
+class CopresenceService : public BrowserContextKeyedAPI,
+                          public copresence::CopresenceClientDelegate {
+ public:
+  explicit CopresenceService(content::BrowserContext* context);
+  virtual ~CopresenceService();
+
+  // These accessors will always return an object. If the object doesn't exist,
+  // they will create one first.
+  copresence::CopresenceClient* client();
+  copresence::WhispernetClient* whispernet_client();

[xiyuan, 2014/08/05 21:02:35]

nit: move accessors to the last.

[rkc, 2014/08/05 22:25:22]

Done.

+
+  virtual void Shutdown() OVERRIDE;

[xiyuan, 2014/08/05 21:02:35]

nit: // BrowserContextKeyedAPI implementation.

[rkc, 2014/08/05 22:25:22]

Done.

+
+  // A registry containing the app id's associated with every subscription.
+  SubscriptionToAppMap& SubscriptionToAppsRegistry() {

[not at google - send to devlin, 2014/08/05 21:05:38]

should be subscription_to_apps_registry(), or really apps_by_subscription_id().

[rkc, 2014/08/05 22:25:22]

Done.

+    return apps_by_subscription_id_;
+  }
+
+  // Registers the preference for saving our device id.
+  static void RegisterPrefs(PrefRegistrySimple* registry);
+
+  // BrowserContextKeyedAPI implementation.
+  static BrowserContextKeyedAPIFactory<CopresenceService>* GetFactoryInstance();
+
+ private:
+  friend class BrowserContextKeyedAPIFactory<CopresenceService>;
+
+  // CopresenceClientDelegate overrides:
+  virtual void HandleMessages(
+      const std::string& app_id,
+      const std::string& subscription_id,
+      const std::vector<copresence::Message>& message) OVERRIDE;
+  virtual net::URLRequestContextGetter* GetRequestContext() const OVERRIDE;
+  virtual const std::string GetPlatformVersionString() const OVERRIDE;
+  virtual const std::string GetDeviceId() const OVERRIDE;
+  virtual void SaveDeviceId(const std::string& device_id) OVERRIDE;
+  virtual copresence::WhispernetClient* GetWhispernetClient() OVERRIDE;
+
+  // BrowserContextKeyedAPI implementation.
+  static const char* service_name() { return "CopresenceService"; }
+
+  std::map<std::string, std::string> apps_by_subscription_id_;
+
+  content::BrowserContext* const browser_context_;
+  scoped_ptr<copresence::CopresenceClient> client_;
+  scoped_ptr<copresence::WhispernetClient> whispernet_client_;
+
+  DISALLOW_COPY_AND_ASSIGN(CopresenceService);
+};
+
+template <>
+void BrowserContextKeyedAPIFactory<
+    CopresenceService>::DeclareFactoryDependencies();
+
+class CopresenceBatchExecuteFunction : public ChromeUIThreadExtensionFunction {
+ public:
+  DECLARE_EXTENSION_FUNCTION("copresence.batchExecute",
+                             COPRESENCE_BATCHEXECUTE);
+
+  void SendResult(copresence::CopresenceStatus status);

[not at google - send to devlin, 2014/08/05 21:05:38]

this can be private

[rkc, 2014/08/05 22:25:22]

Done.

+
+ protected:
+  virtual ~CopresenceBatchExecuteFunction() {}
+  virtual ExtensionFunction::ResponseAction Run() OVERRIDE;
+};
+
+class CopresenceSetApiKeyFunction : public ChromeUIThreadExtensionFunction {
+ public:
+  DECLARE_EXTENSION_FUNCTION("copresence.setApiKey", COPRESENCE_SETAPIKEY);
+
+  void SendResult(copresence::CopresenceStatus status);

[not at google - send to devlin, 2014/08/05 21:05:38]

this is never implemented

[rkc, 2014/08/05 22:25:22]

Done.

+
+ protected:
+  virtual ~CopresenceSetApiKeyFunction() {}
+  virtual ExtensionFunction::ResponseAction Run() OVERRIDE;
+};
+
+}  // namespace extensions
+
+#endif  // CHROME_BROWSER_EXTENSIONS_API_COPRESENCE_COPRESENCE_API_H_