Introduce chrome.displaySource API

extensions/browser/api/display_source/display_source_api.cc

+// Copyright 2015 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 "extensions/browser/api/display_source/display_source_api.h"
+#include "extensions/browser/api/display_source/display_source_connection_delegate_factory.h"
+#include "extensions/common/api/display_source.h"
+
+namespace extensions {
+
+namespace {
+
+const char kErrorNotSupported[] = "Not supported";
+const char kErrorInvalidArguments[] = "Invalid arguments";
+
+}  // namespace
+
+////////////////////////////////////////////////////////////////////////////////
+// DisplaySourceGetAvailableSinksFunction
+
+DisplaySourceGetAvailableSinksFunction::
+    ~DisplaySourceGetAvailableSinksFunction() {}
+
+ExtensionFunction::ResponseAction
+DisplaySourceGetAvailableSinksFunction::Run() {
+  if (!args_->empty()) {
+    return RespondNow(Error(kErrorInvalidArguments));
+  }
+
+  DisplaySourceConnectionDelegate* delegate =
+      DisplaySourceConnectionDelegateFactory::GetForBrowserContext(
+          browser_context());
+  if (!delegate) {
+    return RespondNow(Error(kErrorNotSupported));
+  }
+
+  auto success_callback = base::Bind(
+      &DisplaySourceGetAvailableSinksFunction::OnGetSinksCompleted, this);
+  auto failure_callback = base::Bind(
+      &DisplaySourceGetAvailableSinksFunction::OnGetSinksFailed, this);
+  delegate->GetAvailableSinks(success_callback, failure_callback);
+
+  return RespondLater();
+}
+
+void DisplaySourceGetAvailableSinksFunction::OnGetSinksCompleted(
+    const DisplaySourceSinkInfoList& sinks) {
+  scoped_ptr<base::ListValue> result =
+      api::display_source::GetAvailableSinks::Results::Create(sinks);
+  Respond(ArgumentList(result.Pass()));
+}
+
+void DisplaySourceGetAvailableSinksFunction::OnGetSinksFailed(
+    const std::string& reason) {
+  Respond(Error(reason));
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// DisplaySourceRequestAuthenticationFunction
+
+DisplaySourceRequestAuthenticationFunction::
+    ~DisplaySourceRequestAuthenticationFunction() {}
+
+ExtensionFunction::ResponseAction
+DisplaySourceRequestAuthenticationFunction::Run() {
+  scoped_ptr<api::display_source::RequestAuthentication::Params> params(
+      api::display_source::RequestAuthentication::Params::Create(*args_));
+  if (!params) {
+    return RespondNow(Error(kErrorInvalidArguments));
+  }
+
+  DisplaySourceConnectionDelegate* delegate =
+      DisplaySourceConnectionDelegateFactory::GetForBrowserContext(
+          browser_context());
+  if (!delegate) {
+    return RespondNow(Error(kErrorNotSupported));
+  }
+
+  auto success_callback = base::Bind(
+      &DisplaySourceRequestAuthenticationFunction::OnRequestAuthCompleted,
+      this);
+  auto failure_callback = base::Bind(
+      &DisplaySourceRequestAuthenticationFunction::OnRequestAuthFailed, this);
+  delegate->RequestAuthentication(params->sink_id, success_callback,
+                                  failure_callback);
+  return RespondLater();
+}
+
+void DisplaySourceRequestAuthenticationFunction::OnRequestAuthCompleted(
+    const DisplaySourceAuthInfo& auth_info) {
+  scoped_ptr<base::ListValue> result =
+      api::display_source::RequestAuthentication::Results::Create(auth_info);
+  Respond(ArgumentList(result.Pass()));
+}
+
+void DisplaySourceRequestAuthenticationFunction::OnRequestAuthFailed(
+    const std::string& reason) {
+  Respond(Error(reason));
+}
+
+}  // namespace extensions