The Tor Browser: ipc/glue/nsIIPCBackgroundChildCreateCallback.h@b8a032363ba2

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 /* This Source Code Form is subject to the terms of the Mozilla Public

     2  * License, v. 2.0. If a copy of the MPL was not distributed with this file,

     3  * You can obtain one at http://mozilla.org/MPL/2.0/. */

     5 #ifndef mozilla_ipc_nsiipcbackgroundchildcreatecallback_h

     6 #define mozilla_ipc_nsiipcbackgroundchildcreatecallback_h

     8 #include "mozilla/Attributes.h"

     9 #include "nsISupports.h"

    11 namespace mozilla {

    12 namespace ipc {

    14 class PBackgroundChild;

    16 } // namespace ipc

    17 } // namespace mozilla

    19 #define NS_IIPCBACKGROUNDCHILDCREATECALLBACK_IID                               \

    20   {0x4de01707, 0x70e3, 0x4181, {0xbc, 0x9f, 0xa3, 0xec, 0xfe, 0x74, 0x1a, 0xe3}}

    22 class NS_NO_VTABLE nsIIPCBackgroundChildCreateCallback : public nsISupports

    23 {

    24 public:

    25   typedef mozilla::ipc::PBackgroundChild PBackgroundChild;

    27   NS_DECLARE_STATIC_IID_ACCESSOR(NS_IIPCBACKGROUNDCHILDCREATECALLBACK_IID)

    29   // This will be called upon successful creation of a PBackgroundChild actor.

    30   // The actor is unique per-thread and must not be shared across threads. It

    31   // may be saved and reused on the same thread for as long as the thread lives.

    32   // After this callback BackgroundChild::GetForCurrentThread() will return the

    33   // same actor.

    34   virtual void

    35   ActorCreated(PBackgroundChild*) = 0;

    37   // This will be called if for some reason the PBackgroundChild actor cannot be

    38   // created. This should never be called in child processes as the failure to

    39   // create the actor should result in the termination of the child process

    40   // first. This may be called for cross-thread actors in the main process.

    41   virtual void

    42   ActorFailed() = 0;

    43 };

    45 NS_DEFINE_STATIC_IID_ACCESSOR(nsIIPCBackgroundChildCreateCallback,

    46                               NS_IIPCBACKGROUNDCHILDCREATECALLBACK_IID)

    48 #define NS_DECL_NSIIPCBACKGROUNDCHILDCREATECALLBACK                            \

    49   virtual void                                                                 \

    50   ActorCreated(mozilla::ipc::PBackgroundChild*) MOZ_OVERRIDE;                  \

    51   virtual void                                                                 \

    52   ActorFailed() MOZ_OVERRIDE;

    54 #define NS_FORWARD_NSIIPCBACKGROUNDCHILDCREATECALLBACK(_to)                    \

    55   virtual void                                                                 \

    56   ActorCreated(mozilla::ipc::PBackgroundChild* aActor) MOZ_OVERRIDE            \

    57   { _to ActorCreated(aActor); }                                                \

    58   virtual void                                                                 \

    59   ActorFailed() MOZ_OVERRIDE                                                   \

    60   { _to ActorFailed(); }

    62 #define NS_FORWARD_SAFE_NSIIPCBACKGROUNDCHILDCREATECALLBACK(_to)               \

    63   virtual void                                                                 \

    64   ActorCreated(mozilla::ipc::PBackgroundChild* aActor) MOZ_OVERRIDE            \

    65   { if (_to) { _to->ActorCreated(aActor); } }                                  \

    66   virtual void                                                                 \

    67   ActorFailed() MOZ_OVERRIDE                                                   \

    68   { if (_to) { _to->ActorFailed(); } }

    70 #endif // mozilla_ipc_nsiipcbackgroundchildcreatecallback_h

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