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Diffstat (limited to '')
| -rw-r--r-- | dom/presentation/PresentationCallbacks.cpp | 251 |
1 files changed, 251 insertions, 0 deletions
diff --git a/dom/presentation/PresentationCallbacks.cpp b/dom/presentation/PresentationCallbacks.cpp new file mode 100644 index 0000000000..8880ba9b7c --- /dev/null +++ b/dom/presentation/PresentationCallbacks.cpp @@ -0,0 +1,251 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include "mozilla/dom/Promise.h" +#include "nsIDocShell.h" +#include "nsIInterfaceRequestorUtils.h" +#include "nsIPresentationService.h" +#include "nsIWebProgress.h" +#include "nsServiceManagerUtils.h" +#include "nsThreadUtils.h" +#include "PresentationCallbacks.h" +#include "PresentationRequest.h" +#include "PresentationConnection.h" +#include "PresentationTransportBuilderConstructor.h" + +namespace mozilla { +namespace dom { + +/* + * Implementation of PresentationRequesterCallback + */ + +NS_IMPL_ISUPPORTS(PresentationRequesterCallback, nsIPresentationServiceCallback) + +PresentationRequesterCallback::PresentationRequesterCallback( + PresentationRequest* aRequest, const nsAString& aSessionId, + Promise* aPromise) + : mRequest(aRequest), mSessionId(aSessionId), mPromise(aPromise) { + MOZ_ASSERT(mRequest); + MOZ_ASSERT(mPromise); + MOZ_ASSERT(!mSessionId.IsEmpty()); +} + +PresentationRequesterCallback::~PresentationRequesterCallback() = default; + +// nsIPresentationServiceCallback +NS_IMETHODIMP +PresentationRequesterCallback::NotifySuccess(const nsAString& aUrl) { + MOZ_ASSERT(NS_IsMainThread()); + + if (aUrl.IsEmpty()) { + return NotifyError(NS_ERROR_DOM_OPERATION_ERR); + } + + RefPtr<PresentationConnection> connection = + PresentationConnection::Create(mRequest->GetOwner(), mSessionId, aUrl, + nsIPresentationService::ROLE_CONTROLLER); + if (NS_WARN_IF(!connection)) { + return NotifyError(NS_ERROR_DOM_OPERATION_ERR); + } + + mRequest->NotifyPromiseSettled(); + mPromise->MaybeResolve(connection); + + return mRequest->DispatchConnectionAvailableEvent(connection); +} + +NS_IMETHODIMP +PresentationRequesterCallback::NotifyError(nsresult aError) { + MOZ_ASSERT(NS_IsMainThread()); + + mRequest->NotifyPromiseSettled(); + mPromise->MaybeReject(aError); + return NS_OK; +} + +/* + * Implementation of PresentationRequesterCallback + */ + +PresentationReconnectCallback::PresentationReconnectCallback( + PresentationRequest* aRequest, const nsAString& aSessionId, + Promise* aPromise, PresentationConnection* aConnection) + : PresentationRequesterCallback(aRequest, aSessionId, aPromise), + mConnection(aConnection) {} + +PresentationReconnectCallback::~PresentationReconnectCallback() = default; + +NS_IMETHODIMP +PresentationReconnectCallback::NotifySuccess(const nsAString& aUrl) { + MOZ_ASSERT(NS_IsMainThread()); + + nsCOMPtr<nsIPresentationService> service = + do_GetService(PRESENTATION_SERVICE_CONTRACTID); + if (NS_WARN_IF(!service)) { + return NS_ERROR_NOT_AVAILABLE; + } + + nsresult rv = NS_OK; + // We found a matched connection with the same window ID, URL, and + // the session ID. Resolve the promise with this connection and dispatch + // the event. + if (mConnection) { + mConnection->NotifyStateChange( + mSessionId, nsIPresentationSessionListener::STATE_CONNECTING, NS_OK); + mPromise->MaybeResolve(mConnection); + rv = mRequest->DispatchConnectionAvailableEvent(mConnection); + if (NS_WARN_IF(NS_FAILED(rv))) { + return rv; + } + } else { + // Use |PresentationRequesterCallback::NotifySuccess| to create a new + // connection since we don't find one that can be reused. + rv = PresentationRequesterCallback::NotifySuccess(aUrl); + if (NS_WARN_IF(NS_FAILED(rv))) { + return rv; + } + + rv = service->UpdateWindowIdBySessionId( + mSessionId, nsIPresentationService::ROLE_CONTROLLER, + mRequest->GetOwner()->WindowID()); + if (NS_WARN_IF(NS_FAILED(rv))) { + return rv; + } + } + + nsString sessionId = nsString(mSessionId); + return NS_DispatchToMainThread(NS_NewRunnableFunction( + "dom::PresentationReconnectCallback::NotifySuccess", + [sessionId, service]() -> void { + service->BuildTransport(sessionId, + nsIPresentationService::ROLE_CONTROLLER); + })); +} + +NS_IMETHODIMP +PresentationReconnectCallback::NotifyError(nsresult aError) { + if (mConnection) { + mConnection->NotifyStateChange( + mSessionId, nsIPresentationSessionListener::STATE_CLOSED, aError); + } + return PresentationRequesterCallback::NotifyError(aError); +} + +NS_IMPL_ISUPPORTS(PresentationResponderLoadingCallback, nsIWebProgressListener, + nsISupportsWeakReference) + +PresentationResponderLoadingCallback::PresentationResponderLoadingCallback( + const nsAString& aSessionId) + : mSessionId(aSessionId) {} + +PresentationResponderLoadingCallback::~PresentationResponderLoadingCallback() { + if (mProgress) { + mProgress->RemoveProgressListener(this); + mProgress = nullptr; + } +} + +nsresult PresentationResponderLoadingCallback::Init(nsIDocShell* aDocShell) { + mProgress = do_GetInterface(aDocShell); + if (NS_WARN_IF(!mProgress)) { + return NS_ERROR_NOT_AVAILABLE; + } + + auto busyFlags = aDocShell->GetBusyFlags(); + + if ((busyFlags == nsIDocShell::BUSY_FLAGS_NONE) || + (busyFlags & nsIDocShell::BUSY_FLAGS_PAGE_LOADING)) { + // The docshell has finished loading or is receiving data + // (|STATE_TRANSFERRING| has already been fired), so the page is ready for + // presentation use. + return NotifyReceiverReady(/* isLoading = */ true); + } + + // Start to listen to document state change event |STATE_TRANSFERRING|. + return mProgress->AddProgressListener(this, + nsIWebProgress::NOTIFY_STATE_DOCUMENT); +} + +nsresult PresentationResponderLoadingCallback::NotifyReceiverReady( + bool aIsLoading) { + nsCOMPtr<nsPIDOMWindowOuter> window = do_GetInterface(mProgress); + if (NS_WARN_IF(!window || !window->GetCurrentInnerWindow())) { + return NS_ERROR_NOT_AVAILABLE; + } + uint64_t windowId = window->GetCurrentInnerWindow()->WindowID(); + + nsCOMPtr<nsIPresentationService> service = + do_GetService(PRESENTATION_SERVICE_CONTRACTID); + if (NS_WARN_IF(!service)) { + return NS_ERROR_NOT_AVAILABLE; + } + + nsCOMPtr<nsIPresentationTransportBuilderConstructor> constructor = + PresentationTransportBuilderConstructor::Create(); + return service->NotifyReceiverReady(mSessionId, windowId, aIsLoading, + constructor); +} + +// nsIWebProgressListener +NS_IMETHODIMP +PresentationResponderLoadingCallback::OnStateChange( + nsIWebProgress* aWebProgress, nsIRequest* aRequest, uint32_t aStateFlags, + nsresult aStatus) { + MOZ_ASSERT(NS_IsMainThread()); + + if (aStateFlags & (nsIWebProgressListener::STATE_TRANSFERRING | + nsIWebProgressListener::STATE_STOP)) { + mProgress->RemoveProgressListener(this); + + bool isLoading = aStateFlags & nsIWebProgressListener::STATE_TRANSFERRING; + return NotifyReceiverReady(isLoading); + } + + return NS_OK; +} + +NS_IMETHODIMP +PresentationResponderLoadingCallback::OnProgressChange( + nsIWebProgress* aWebProgress, nsIRequest* aRequest, + int32_t aCurSelfProgress, int32_t aMaxSelfProgress, + int32_t aCurTotalProgress, int32_t aMaxTotalProgress) { + // Do nothing. + return NS_OK; +} + +NS_IMETHODIMP +PresentationResponderLoadingCallback::OnLocationChange( + nsIWebProgress* aWebProgress, nsIRequest* aRequest, nsIURI* aURI, + uint32_t aFlags) { + // Do nothing. + return NS_OK; +} + +NS_IMETHODIMP +PresentationResponderLoadingCallback::OnStatusChange( + nsIWebProgress* aWebProgress, nsIRequest* aRequest, nsresult aStatus, + const char16_t* aMessage) { + // Do nothing. + return NS_OK; +} + +NS_IMETHODIMP +PresentationResponderLoadingCallback::OnSecurityChange( + nsIWebProgress* aWebProgress, nsIRequest* aRequest, uint32_t aState) { + // Do nothing. + return NS_OK; +} + +NS_IMETHODIMP +PresentationResponderLoadingCallback::OnContentBlockingEvent( + nsIWebProgress* aWebProgress, nsIRequest* aRequest, uint32_t aEvent) { + // Do nothing. + return NS_OK; +} + +} // namespace dom +} // namespace mozilla |