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mojo/public/cpp/bindings/interface_ptr.h

Index: mojo/public/cpp/bindings/interface_ptr.h
diff --git a/mojo/public/cpp/bindings/interface_ptr.h b/mojo/public/cpp/bindings/interface_ptr.h
deleted file mode 100644
index b924afd71c6c6470d39c34505f887408f47f0030..0000000000000000000000000000000000000000
--- a/mojo/public/cpp/bindings/interface_ptr.h
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@@ -1,189 +0,0 @@
-// 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_INTERFACE_PTR_H_
-#define MOJO_PUBLIC_CPP_BINDINGS_INTERFACE_PTR_H_
-
-#include <algorithm>
-#include <cstddef>
-
-#include "mojo/public/cpp/bindings/callback.h"
-#include "mojo/public/cpp/bindings/interface_handle.h"
-#include "mojo/public/cpp/bindings/lib/interface_ptr_internal.h"
-#include "mojo/public/cpp/environment/environment.h"
-#include "mojo/public/cpp/system/macros.h"
-
-namespace mojo {
-
-// A pointer to a local proxy of a remote Interface implementation. Uses a
-// message pipe to communicate with the remote implementation, and automatically
-// closes the pipe and deletes the proxy on destruction. The pointer must be
-// bound to a message pipe before the interface methods can be called.
-//
-// This class is thread hostile, as is the local proxy it manages. All calls to
-// this class or the proxy should be from the same thread that created it. If
-// you need to move the proxy to a different thread, extract the
-// InterfaceHandle (containing just the message pipe and any version
-// information) using PassInterfaceHandle(), pass it to a different thread, and
-// create and bind a new InterfacePtr from that thread.
-template <typename Interface>
-class InterfacePtr {
- public:
-  // Constructs an unbound InterfacePtr.
-  InterfacePtr() {}
-  InterfacePtr(std::nullptr_t) {}
-
-  // Takes over the binding of another InterfacePtr.
-  InterfacePtr(InterfacePtr&& other) {
-    internal_state_.Swap(&other.internal_state_);
-  }
-
-  // Takes over the binding of another InterfacePtr, and closes any message pipe
-  // already bound to this pointer.
-  InterfacePtr& operator=(InterfacePtr&& other) {
-    reset();
-    internal_state_.Swap(&other.internal_state_);
-    return *this;
-  }
-
-  // Assigning nullptr to this class causes it to close the currently bound
-  // message pipe (if any) and returns the pointer to the unbound state.
-  InterfacePtr& operator=(std::nullptr_t) {
-    reset();
-    return *this;
-  }
-
-  // Closes the bound message pipe (if any) on destruction.
-  ~InterfacePtr() {}
-
-  // If |info| is valid (containing a valid message pipe handle), returns an
-  // InterfacePtr bound to it. Otherwise, returns an unbound InterfacePtr. The
-  // specified |waiter| will be used as in the InterfacePtr::Bind() method.
-  static InterfacePtr<Interface> Create(
-      InterfaceHandle<Interface> info,
-      const MojoAsyncWaiter* waiter = Environment::GetDefaultAsyncWaiter()) {
-    InterfacePtr<Interface> ptr;
-    if (info.is_valid())
-      ptr.Bind(info.Pass(), waiter);
-    return ptr;
-  }
-
-  // Binds the InterfacePtr to a remote implementation of Interface. The
-  // |waiter| is used for receiving notifications when there is data to read
-  // from the message pipe. For most callers, the default |waiter| will be
-  // sufficient.
-  //
-  // Calling with an invalid |info| (containing an invalid message pipe handle)
-  // has the same effect as reset(). In this case, the InterfacePtr is not
-  // considered as bound.
-  void Bind(
-      InterfaceHandle<Interface> info,
-      const MojoAsyncWaiter* waiter = Environment::GetDefaultAsyncWaiter()) {
-    reset();
-    if (info.is_valid())
-      internal_state_.Bind(info.Pass(), waiter);
-  }
-
-  // Returns whether or not this InterfacePtr is bound to a message pipe.
-  bool is_bound() const { return internal_state_.is_bound(); }
-
-  // Returns a raw pointer to the local proxy. Caller does not take ownership.
-  // Note that the local proxy is thread hostile, as stated above.
-  Interface* get() const { return internal_state_.instance(); }
-
-  // Functions like a pointer to Interface. Must already be bound.
-  Interface* operator->() const { return get(); }
-  Interface& operator*() const { return *get(); }
-
-  // Returns the version number of the interface that the remote side supports.
-  uint32_t version() const { return internal_state_.version(); }
-
-  // Queries the max version that the remote side supports. On completion, the
-  // result will be returned as the input of |callback|. The version number of
-  // this interface pointer will also be updated.
-  void QueryVersion(const Callback<void(uint32_t)>& callback) {
-    internal_state_.QueryVersion(callback);
-  }
-
-  // If the remote side doesn't support the specified version, it will close its
-  // end of the message pipe asynchronously. This does nothing if it's already
-  // known that the remote side supports the specified version, i.e., if
-  // |version <= this->version()|.
-  //
-  // After calling RequireVersion() with a version not supported by the remote
-  // side, all subsequent calls to interface methods will be ignored.
-  void RequireVersion(uint32_t version) {
-    internal_state_.RequireVersion(version);
-  }
-
-  // Closes the bound message pipe (if any) and returns the pointer to the
-  // unbound state.
-  void reset() {
-    State doomed;
-    internal_state_.Swap(&doomed);
-  }
-
-  // Tests as true if bound, false if not.
-  explicit operator bool() const { return internal_state_.is_bound(); }
-
-  // Blocks the current thread until the next incoming response callback arrives
-  // or an error occurs. Returns |true| if a response arrived, or |false| in
-  // case of error.
-  //
-  // This method may only be called after the InterfacePtr has been bound to a
-  // message pipe.
-  bool WaitForIncomingResponse() {
-    return internal_state_.WaitForIncomingResponse(MOJO_DEADLINE_INDEFINITE);
-  }
-
-  // Blocks the current thread until the next incoming response callback
-  // arrives, an error occurs, or the deadline exceeded. Returns |true| if a
-  // response arrived, or |false| otherwise. Use |encountered_error| to know
-  // if an error occurred, of if the deadline exceeded.
-  //
-  // This method may only be called after the InterfacePtr has been bound to a
-  // message pipe.
-  bool WaitForIncomingResponseWithTimeout(MojoDeadline deadline) {
-    return internal_state_.WaitForIncomingResponse(deadline);
-  }
-
-  // Indicates whether the message pipe has encountered an error. If true,
-  // method calls made on this interface will be dropped (and may already have
-  // been dropped).
-  bool encountered_error() const { return internal_state_.encountered_error(); }
-
-  // Registers a handler to receive error notifications. The handler will be
-  // called from the thread that owns this InterfacePtr.
-  //
-  // This method may only be called after the InterfacePtr has been bound to a
-  // message pipe.
-  void set_connection_error_handler(const Closure& error_handler) {
-    internal_state_.set_connection_error_handler(error_handler);
-  }
-
-  // Unbinds the InterfacePtr and returns the information which could be used
-  // to setup an InterfacePtr again. This method may be used to move the proxy
-  // to a different thread (see class comments for details).
-  InterfaceHandle<Interface> PassInterfaceHandle() {
-    State state;
-    internal_state_.Swap(&state);
-
-    return state.PassInterfaceHandle();
-  }
-
-  // DO NOT USE. Exposed only for internal use and for testing.
-  internal::InterfacePtrState<Interface>* internal_state() {
-    return &internal_state_;
-  }
-
- private:
-  typedef internal::InterfacePtrState<Interface> State;
-  mutable State internal_state_;
-
-  MOJO_MOVE_ONLY_TYPE(InterfacePtr);
-};
-
-}  // namespace mojo
-
-#endif  // MOJO_PUBLIC_CPP_BINDINGS_INTERFACE_PTR_H_