Mojo C++ bindings: support disconnect with a reason.

mojo/public/cpp/bindings/lib/interface_ptr_state.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 MOJO_PUBLIC_CPP_BINDINGS_LIB_INTERFACE_PTR_STATE_H_
 #define MOJO_PUBLIC_CPP_BINDINGS_LIB_INTERFACE_PTR_STATE_H_
 
 #include <stdint.h>
 
 #include <algorithm>  // For |std::swap()|.
 #include <memory>
+#include <string>
 #include <utility>
 
 #include "base/bind.h"
 #include "base/callback_forward.h"
 #include "base/logging.h"
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/memory/ref_counted.h"
 #include "base/single_thread_task_runner.h"
 #include "mojo/public/cpp/bindings/associated_group.h"
+#include "mojo/public/cpp/bindings/connection_error_callback.h"
 #include "mojo/public/cpp/bindings/filter_chain.h"
 #include "mojo/public/cpp/bindings/interface_endpoint_client.h"
 #include "mojo/public/cpp/bindings/interface_id.h"
 #include "mojo/public/cpp/bindings/interface_ptr_info.h"
 #include "mojo/public/cpp/bindings/lib/control_message_handler.h"
 #include "mojo/public/cpp/bindings/lib/control_message_proxy.h"
 #include "mojo/public/cpp/bindings/lib/multiplex_router.h"
 #include "mojo/public/cpp/bindings/lib/router.h"
 #include "mojo/public/cpp/bindings/message_header_validator.h"
 #include "mojo/public/cpp/bindings/scoped_interface_endpoint_handle.h"
@@ skipping 47 matching lines @@
 
     version_ = version;
     router_->control_message_proxy()->RequireVersion(version);
   }
 
   void FlushForTesting() {
     ConfigureProxyIfNecessary();
     router_->control_message_proxy()->FlushForTesting();
   }
 
+  void SendDisconnectReason(uint32_t custom_reason,
+                            const std::string& description) {
+    ConfigureProxyIfNecessary();
+    router_->control_message_proxy()->SendDisconnectReason(custom_reason,
+                                                           description);
+  }
+
   void Swap(InterfacePtrState* other) {
     using std::swap;
     swap(other->proxy_, proxy_);
     swap(other->router_, router_);
     handle_.swap(other->handle_);
     runner_.swap(other->runner_);
     swap(other->version_, version_);
   }
 
   void Bind(InterfacePtrInfo<Interface> info,
@@ skipping 24 matching lines @@
     return router_ ? router_->encountered_error() : false;
   }
 
   void set_connection_error_handler(const base::Closure& error_handler) {
     ConfigureProxyIfNecessary();
 
     DCHECK(router_);
     router_->set_connection_error_handler(error_handler);
   }
 
+  void set_connection_error_with_reason_handler(
+      const ConnectionErrorWithReasonCallback& error_handler) {
+    ConfigureProxyIfNecessary();
+
+    DCHECK(router_);
+    router_->set_connection_error_with_reason_handler(error_handler);
+  }
+
   // Returns true if bound and awaiting a response to a message.
   bool has_pending_callbacks() const {
     return router_ && router_->has_pending_responders();
   }
 
   AssociatedGroup* associated_group() { return nullptr; }
 
   void EnableTestingMode() {
     ConfigureProxyIfNecessary();
     router_->EnableTestingMode();
@@ skipping 84 matching lines @@
 
     version_ = version;
     endpoint_client_->control_message_proxy()->RequireVersion(version);
   }
 
   void FlushForTesting() {
     ConfigureProxyIfNecessary();
     endpoint_client_->control_message_proxy()->FlushForTesting();
   }
 
+  void SendDisconnectReason(uint32_t custom_reason,
+                            const std::string& description) {
+    ConfigureProxyIfNecessary();
+    endpoint_client_->control_message_proxy()->SendDisconnectReason(
+        custom_reason, description);
+  }
+
   void Swap(InterfacePtrState* other) {
     using std::swap;
     swap(other->router_, router_);
     swap(other->endpoint_client_, endpoint_client_);
     swap(other->proxy_, proxy_);
     handle_.swap(other->handle_);
     runner_.swap(other->runner_);
     swap(other->version_, version_);
   }
 
@@ skipping 30 matching lines @@
     return endpoint_client_ ? endpoint_client_->encountered_error() : false;
   }
 
   void set_connection_error_handler(const base::Closure& error_handler) {
     ConfigureProxyIfNecessary();
 
     DCHECK(endpoint_client_);
     endpoint_client_->set_connection_error_handler(error_handler);
   }
 
+  void set_connection_error_with_reason_handler(
+      const ConnectionErrorWithReasonCallback& error_handler) {
+    ConfigureProxyIfNecessary();
+
+    DCHECK(endpoint_client_);
+    endpoint_client_->set_connection_error_with_reason_handler(error_handler);
+  }
+
   // Returns true if bound and awaiting a response to a message.
   bool has_pending_callbacks() const {
     return endpoint_client_ && endpoint_client_->has_pending_responders();
   }
 
   AssociatedGroup* associated_group() {
     ConfigureProxyIfNecessary();
     return endpoint_client_->associated_group();
   }
 
@@ skipping 49 matching lines @@
 
   uint32_t version_;
 
   DISALLOW_COPY_AND_ASSIGN(InterfacePtrState);
 };
 
 }  // namespace internal
 }  // namespace mojo
 
 #endif  // MOJO_PUBLIC_CPP_BINDINGS_LIB_INTERFACE_PTR_STATE_H_