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/* -*- 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
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