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97 lines
2.2 KiB
C++
97 lines
2.2 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:set ts=2 sw=2 sts=2 et cindent: */
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/* 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 "MediaResourceHandler.h"
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#include "mozilla/NullPtr.h"
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namespace android {
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MediaResourceHandler::MediaResourceHandler(const wp<ResourceListener> &aListener)
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: mListener(aListener)
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, mType(IMediaResourceManagerService::INVALID_RESOURCE_TYPE)
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, mWaitingResource(false)
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{
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}
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MediaResourceHandler::~MediaResourceHandler()
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{
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cancelResource();
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}
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bool
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MediaResourceHandler::IsWaitingResource()
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{
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Mutex::Autolock al(mLock);
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return mWaitingResource;
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}
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bool
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MediaResourceHandler::requestResource(IMediaResourceManagerService::ResourceType aType)
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{
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Mutex::Autolock al(mLock);
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if (mClient != nullptr && mService != nullptr) {
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return false;
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}
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sp<MediaResourceManagerClient> client = new MediaResourceManagerClient(this);
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sp<IMediaResourceManagerService> service = client->getMediaResourceManagerService();
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if (service == nullptr) {
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return false;
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}
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if (service->requestMediaResource(client, (int)aType, true) != OK) {
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return false;
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}
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mClient = client;
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mService = service;
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mType = aType;
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mWaitingResource = true;
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return true;
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}
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void
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MediaResourceHandler::cancelResource()
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{
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Mutex::Autolock al(mLock);
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if (mClient != nullptr && mService != nullptr) {
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mService->cancelClient(mClient, (int)mType);
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}
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mWaitingResource = false;
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mClient = nullptr;
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mService = nullptr;
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}
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// Called on a Binder thread
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void
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MediaResourceHandler::statusChanged(int aEvent)
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{
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sp<ResourceListener> listener;
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Mutex::Autolock autoLock(mLock);
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listener = mListener.promote();
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if (listener == nullptr) {
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return;
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}
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mWaitingResource = false;
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MediaResourceManagerClient::State state = (MediaResourceManagerClient::State)aEvent;
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if (state == MediaResourceManagerClient::CLIENT_STATE_RESOURCE_ASSIGNED) {
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listener->resourceReserved();
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} else {
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listener->resourceCanceled();
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}
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}
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} // namespace android
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