| // Copyright 2016 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. |
| |
| (function() { |
| var internal = mojo.internal; |
| |
| // Constants ---------------------------------------------------------------- |
| var kInterfaceIdNamespaceMask = 0x80000000; |
| var kMasterInterfaceId = 0x00000000; |
| var kInvalidInterfaceId = 0xFFFFFFFF; |
| |
| // --------------------------------------------------------------------------- |
| |
| function InterfacePtrInfo(handle, version) { |
| this.handle = handle; |
| this.version = version; |
| } |
| |
| InterfacePtrInfo.prototype.isValid = function() { |
| return this.handle instanceof MojoHandle; |
| }; |
| |
| InterfacePtrInfo.prototype.close = function() { |
| if (!this.isValid()) |
| return; |
| |
| this.handle.close(); |
| this.handle = null; |
| this.version = 0; |
| }; |
| |
| function AssociatedInterfacePtrInfo(interfaceEndpointHandle, version) { |
| this.interfaceEndpointHandle = interfaceEndpointHandle; |
| this.version = version; |
| } |
| |
| AssociatedInterfacePtrInfo.prototype.isValid = function() { |
| return this.interfaceEndpointHandle.isValid(); |
| }; |
| |
| // --------------------------------------------------------------------------- |
| |
| function InterfaceRequest(handle) { |
| this.handle = handle; |
| } |
| |
| InterfaceRequest.prototype.isValid = function() { |
| return this.handle instanceof MojoHandle; |
| }; |
| |
| InterfaceRequest.prototype.close = function() { |
| if (!this.isValid()) |
| return; |
| |
| this.handle.close(); |
| this.handle = null; |
| }; |
| |
| function AssociatedInterfaceRequest(interfaceEndpointHandle) { |
| this.interfaceEndpointHandle = interfaceEndpointHandle; |
| } |
| |
| AssociatedInterfaceRequest.prototype.isValid = function() { |
| return this.interfaceEndpointHandle.isValid(); |
| }; |
| |
| AssociatedInterfaceRequest.prototype.resetWithReason = function(reason) { |
| this.interfaceEndpointHandle.reset(reason); |
| }; |
| |
| function isMasterInterfaceId(interfaceId) { |
| return interfaceId === kMasterInterfaceId; |
| } |
| |
| function isValidInterfaceId(interfaceId) { |
| return interfaceId !== kInvalidInterfaceId; |
| } |
| |
| function hasInterfaceIdNamespaceBitSet(interfaceId) { |
| if (interfaceId >= 2 * kInterfaceIdNamespaceMask) { |
| throw new Error("Interface ID should be a 32-bit unsigned integer."); |
| } |
| return interfaceId >= kInterfaceIdNamespaceMask; |
| } |
| |
| mojo.InterfacePtrInfo = InterfacePtrInfo; |
| mojo.InterfaceRequest = InterfaceRequest; |
| mojo.AssociatedInterfacePtrInfo = AssociatedInterfacePtrInfo; |
| mojo.AssociatedInterfaceRequest = AssociatedInterfaceRequest; |
| internal.isMasterInterfaceId = isMasterInterfaceId; |
| internal.isValidInterfaceId = isValidInterfaceId; |
| internal.hasInterfaceIdNamespaceBitSet = hasInterfaceIdNamespaceBitSet; |
| internal.kInvalidInterfaceId = kInvalidInterfaceId; |
| internal.kMasterInterfaceId = kMasterInterfaceId; |
| internal.kInterfaceIdNamespaceMask = kInterfaceIdNamespaceMask; |
| })(); |