dom/serviceworkers/FetchEventOpParent.cpp

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #include "FetchEventOpParent.h"
   8
   9 #include "mozilla/dom/FetchTypes.h"
  10 #include "nsDebug.h"
  11
  12 #include "mozilla/Assertions.h"
  13 #include "mozilla/RefPtr.h"
  14 #include "mozilla/Unused.h"
  15 #include "mozilla/dom/FetchEventOpProxyParent.h"
  16 #include "mozilla/dom/FetchStreamUtils.h"
  17 #include "mozilla/dom/InternalResponse.h"
  18 #include "mozilla/dom/RemoteWorkerControllerParent.h"
  19 #include "mozilla/dom/RemoteWorkerParent.h"
  20 #include "mozilla/ipc/BackgroundParent.h"
  21
  22 namespace mozilla {
  23
  24 using namespace ipc;
  25
  26 namespace dom {
  27
  28 std::tuple<Maybe<ParentToParentInternalResponse>, Maybe<ResponseEndArgs>>
  29 FetchEventOpParent::OnStart(
  30     MovingNotNull<RefPtr<FetchEventOpProxyParent>> aFetchEventOpProxyParent) {
  31   Maybe<ParentToParentInternalResponse> preloadResponse =
  32       std::move(mState.as<Pending>().mPreloadResponse);
  33   Maybe<ResponseEndArgs> preloadResponseEndArgs =
  34       std::move(mState.as<Pending>().mEndArgs);
  35   mState = AsVariant(Started{std::move(aFetchEventOpProxyParent)});
  36   return std::make_tuple(preloadResponse, preloadResponseEndArgs);
  37 }
  38
  39 void FetchEventOpParent::OnFinish() {
  40   MOZ_ASSERT(mState.is<Started>());
  41   mState = AsVariant(Finished());
  42 }
  43
  44 mozilla::ipc::IPCResult FetchEventOpParent::RecvPreloadResponse(
  45     ParentToParentInternalResponse&& aResponse) {
  46   AssertIsOnBackgroundThread();
  47
  48   mState.match(
  49       [&aResponse](Pending& aPending) {
  50         MOZ_ASSERT(aPending.mPreloadResponse.isNothing());
  51         aPending.mPreloadResponse = Some(std::move(aResponse));
  52       },
  53       [&aResponse](Started& aStarted) {
  54         auto backgroundParent = WrapNotNull(
  55             WrapNotNull(aStarted.mFetchEventOpProxyParent->Manager())
  56                 ->Manager());
  57         Unused << aStarted.mFetchEventOpProxyParent->SendPreloadResponse(
  58             ToParentToChild(aResponse, backgroundParent));
  59       },
  60       [](const Finished&) {});
  61
  62   return IPC_OK();
  63 }
  64
  65 mozilla::ipc::IPCResult FetchEventOpParent::RecvPreloadResponseTiming(
  66     ResponseTiming&& aTiming) {
  67   AssertIsOnBackgroundThread();
  68
  69   mState.match(
  70       [&aTiming](Pending& aPending) {
  71         MOZ_ASSERT(aPending.mTiming.isNothing());
  72         aPending.mTiming = Some(std::move(aTiming));
  73       },
  74       [&aTiming](Started& aStarted) {
  75         Unused << aStarted.mFetchEventOpProxyParent->SendPreloadResponseTiming(
  76             std::move(aTiming));
  77       },
  78       [](const Finished&) {});
  79
  80   return IPC_OK();
  81 }
  82
  83 mozilla::ipc::IPCResult FetchEventOpParent::RecvPreloadResponseEnd(
  84     ResponseEndArgs&& aArgs) {
  85   AssertIsOnBackgroundThread();
  86
  87   mState.match(
  88       [&aArgs](Pending& aPending) {
  89         MOZ_ASSERT(aPending.mEndArgs.isNothing());
  90         aPending.mEndArgs = Some(std::move(aArgs));
  91       },
  92       [&aArgs](Started& aStarted) {
  93         Unused << aStarted.mFetchEventOpProxyParent->SendPreloadResponseEnd(
  94             std::move(aArgs));
  95       },
  96       [](const Finished&) {});
  97
  98   return IPC_OK();
  99 }
 100
 101 void FetchEventOpParent::ActorDestroy(ActorDestroyReason) {
 102   AssertIsOnBackgroundThread();
 103 }
 104
 105 }  // namespace dom
 106 }  // namespace mozilla