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837f0af066
If class A is derived from class B, then an instance of class A can be converted to B via a static cast, so a slower QI is not needed. Differential Revision: https://phabricator.services.mozilla.com/D6861 --HG-- extra : moz-landing-system : lando
59 lines
1.5 KiB
C++
59 lines
1.5 KiB
C++
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/dom/ContentChild.h"
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#include "mozilla/ipc/URIUtils.h"
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#include "nsIURL.h"
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#include "nsIURI.h"
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#include "nsSoundProxy.h"
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using namespace mozilla;
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using namespace mozilla::dom;
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NS_IMPL_ISUPPORTS(nsSoundProxy, nsISound)
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NS_IMETHODIMP
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nsSoundProxy::Play(nsIURL *aURL)
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{
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MOZ_ASSERT(XRE_GetProcessType() == GeckoProcessType_Content);
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nsCOMPtr<nsIURI> soundURI(aURL);
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bool isChrome = false;
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// Only allow playing a chrome:// URL from the content process.
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if (!soundURI || NS_FAILED(soundURI->SchemeIs("chrome", &isChrome)) || !isChrome) {
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return NS_ERROR_FAILURE;
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}
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mozilla::ipc::URIParams soundParams;
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mozilla::ipc::SerializeURI(soundURI, soundParams);
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ContentChild::GetSingleton()->SendPlaySound(soundParams);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsSoundProxy::Beep()
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{
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MOZ_ASSERT(XRE_GetProcessType() == GeckoProcessType_Content);
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ContentChild::GetSingleton()->SendBeep();
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return NS_OK;
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}
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NS_IMETHODIMP
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nsSoundProxy::Init()
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{
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MOZ_ASSERT(XRE_GetProcessType() == GeckoProcessType_Content);
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MOZ_DIAGNOSTIC_ASSERT(false, "Only called by XUL in the parent process.");
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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NS_IMETHODIMP
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nsSoundProxy::PlayEventSound(uint32_t aEventId)
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{
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MOZ_ASSERT(XRE_GetProcessType() == GeckoProcessType_Content);
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ContentChild::GetSingleton()->SendPlayEventSound(aEventId);
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return NS_OK;
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}
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