Upstream version 5.34.104.0

[platform/framework/web/crosswalk.git] / src / mojo / system / local_message_pipe_endpoint.h

diff --git a/src/mojo/system/local_message_pipe_endpoint.h b/src/mojo/system/local_message_pipe_endpoint.h
index caed81d..0f1697e 100644 (file)
--- a/src/mojo/system/local_message_pipe_endpoint.h
+++ b/src/mojo/system/local_message_pipe_endpoint.h
@@ -6,50 +6,85 @@
 #define MOJO_SYSTEM_LOCAL_MESSAGE_PIPE_ENDPOINT_H_
 
 #include <deque>
+#include <vector>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "mojo/public/system/core.h"
 #include "mojo/system/message_pipe_endpoint.h"
+#include "mojo/system/system_impl_export.h"
 #include "mojo/system/waiter_list.h"
 
 namespace mojo {
 namespace system {
 
-class MessageInTransit;
-
-class LocalMessagePipeEndpoint : public MessagePipeEndpoint {
+class MOJO_SYSTEM_IMPL_EXPORT LocalMessagePipeEndpoint
+    : public MessagePipeEndpoint {
  public:
   LocalMessagePipeEndpoint();
   virtual ~LocalMessagePipeEndpoint();
 
   // |MessagePipeEndpoint| implementation:
+  virtual void Close() OVERRIDE;
   virtual void OnPeerClose() OVERRIDE;
   virtual MojoResult EnqueueMessage(
-      const void* bytes, uint32_t num_bytes,
-      const MojoHandle* handles, uint32_t num_handles,
-      MojoWriteMessageFlags flags) OVERRIDE;
+      MessageInTransit* message,
+      std::vector<DispatcherTransport>* transports) OVERRIDE;
 
   // There's a dispatcher for |LocalMessagePipeEndpoint|s, so we have to
   // implement/override these:
   virtual void CancelAllWaiters() OVERRIDE;
-  virtual void Close() OVERRIDE;
-  virtual MojoResult ReadMessage(void* bytes, uint32_t* num_bytes,
-                                 MojoHandle* handles, uint32_t* num_handles,
-                                 MojoReadMessageFlags flags) OVERRIDE;
+  virtual MojoResult ReadMessage(
+      void* bytes, uint32_t* num_bytes,
+      std::vector<scoped_refptr<Dispatcher> >* dispatchers,
+      uint32_t* num_dispatchers,
+      MojoReadMessageFlags flags) OVERRIDE;
   virtual MojoResult AddWaiter(Waiter* waiter,
                                MojoWaitFlags flags,
                                MojoResult wake_result) OVERRIDE;
   virtual void RemoveWaiter(Waiter* waiter) OVERRIDE;
 
  private:
+  class MessageQueueEntry {
+   public:
+    MessageQueueEntry();
+    // Provide an explicit copy constructor, so that we can use this directly in
+    // a (C++03) STL container. However, we only allow the case where |other| is
+    // empty. (We don't provide a nontrivial constructor, because it wouldn't be
+    // useful with these constraints. This will change with C++11.)
+    MessageQueueEntry(const MessageQueueEntry& other);
+    ~MessageQueueEntry();
+
+    // Initialize, taking ownership of |message| and creating equivalent
+    // "duplicate" dispatchers. |transports| should be non-null only if
+    // nonempty.
+    // TODO(vtl): This would simply be a constructor, but we don't have C++11's
+    // emplace operations yet, and I don't want to copy |dispatchers_|.
+    void Init(MessageInTransit* message,
+              std::vector<DispatcherTransport>* transports);
+
+    MessageInTransit* message() {
+      return message_;
+    }
+    std::vector<scoped_refptr<Dispatcher> >* dispatchers() {
+      return &dispatchers_;
+    }
+
+   private:
+    MessageInTransit* message_;
+    std::vector<scoped_refptr<Dispatcher> > dispatchers_;
+
+    // We don't need assignment, however.
+    DISALLOW_ASSIGN(MessageQueueEntry);
+  };
+
   MojoWaitFlags SatisfiedFlags();
   MojoWaitFlags SatisfiableFlags();
 
   bool is_open_;
   bool is_peer_open_;
 
-  std::deque<MessageInTransit*> message_queue_;
+  std::deque<MessageQueueEntry> message_queue_;
   WaiterList waiter_list_;
 
   DISALLOW_COPY_AND_ASSIGN(LocalMessagePipeEndpoint);