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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 "QuotaRequests.h"
#include "ActorsChild.h"
#include "mozilla/ErrorNames.h"
#include "nsIQuotaCallbacks.h"
namespace mozilla {
namespace dom {
namespace quota {
RequestBase::RequestBase() : mResultCode(NS_OK), mHaveResultOrErrorCode(false) {
AssertIsOnOwningThread();
}
RequestBase::RequestBase(nsIPrincipal* aPrincipal)
: mPrincipal(aPrincipal),
mResultCode(NS_OK),
mHaveResultOrErrorCode(false) {
AssertIsOnOwningThread();
}
#ifdef DEBUG
void RequestBase::AssertIsOnOwningThread() const {
NS_ASSERT_OWNINGTHREAD(RequestBase);
}
#endif // DEBUG
void RequestBase::SetError(nsresult aRv) {
AssertIsOnOwningThread();
MOZ_ASSERT(mResultCode == NS_OK);
MOZ_ASSERT(!mHaveResultOrErrorCode);
mResultCode = aRv;
mHaveResultOrErrorCode = true;
FireCallback();
}
NS_IMPL_CYCLE_COLLECTION_0(RequestBase)
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(RequestBase)
NS_INTERFACE_MAP_ENTRY(nsISupports)
NS_INTERFACE_MAP_END
NS_IMPL_CYCLE_COLLECTING_ADDREF(RequestBase)
NS_IMPL_CYCLE_COLLECTING_RELEASE(RequestBase)
NS_IMETHODIMP
RequestBase::GetPrincipal(nsIPrincipal** aPrincipal) {
AssertIsOnOwningThread();
MOZ_ASSERT(aPrincipal);
NS_IF_ADDREF(*aPrincipal = mPrincipal);
return NS_OK;
}
NS_IMETHODIMP
RequestBase::GetResultCode(nsresult* aResultCode) {
AssertIsOnOwningThread();
MOZ_ASSERT(aResultCode);
if (!mHaveResultOrErrorCode) {
return NS_ERROR_FAILURE;
}
*aResultCode = mResultCode;
return NS_OK;
}
NS_IMETHODIMP
RequestBase::GetResultName(nsACString& aResultName) {
AssertIsOnOwningThread();
if (!mHaveResultOrErrorCode) {
return NS_ERROR_FAILURE;
}
mozilla::GetErrorName(mResultCode, aResultName);
return NS_OK;
}
UsageRequest::UsageRequest(nsIQuotaUsageCallback* aCallback)
: mCallback(aCallback), mBackgroundActor(nullptr), mCanceled(false) {
AssertIsOnOwningThread();
MOZ_ASSERT(aCallback);
}
UsageRequest::UsageRequest(nsIPrincipal* aPrincipal,
nsIQuotaUsageCallback* aCallback)
: RequestBase(aPrincipal),
mCallback(aCallback),
mBackgroundActor(nullptr),
mCanceled(false) {
AssertIsOnOwningThread();
MOZ_ASSERT(aPrincipal);
MOZ_ASSERT(aCallback);
}
UsageRequest::~UsageRequest() { AssertIsOnOwningThread(); }
void UsageRequest::SetBackgroundActor(
QuotaUsageRequestChild* aBackgroundActor) {
AssertIsOnOwningThread();
MOZ_ASSERT(aBackgroundActor);
MOZ_ASSERT(!mBackgroundActor);
mBackgroundActor = aBackgroundActor;
if (mCanceled) {
mBackgroundActor->SendCancel();
}
}
void UsageRequest::SetResult(nsIVariant* aResult) {
AssertIsOnOwningThread();
MOZ_ASSERT(aResult);
MOZ_ASSERT(!mHaveResultOrErrorCode);
mResult = aResult;
mHaveResultOrErrorCode = true;
FireCallback();
}
NS_IMPL_CYCLE_COLLECTION_INHERITED(UsageRequest, RequestBase, mCallback)
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(UsageRequest)
NS_INTERFACE_MAP_ENTRY(nsIQuotaUsageRequest)
NS_INTERFACE_MAP_END_INHERITING(RequestBase)
NS_IMPL_ADDREF_INHERITED(UsageRequest, RequestBase)
NS_IMPL_RELEASE_INHERITED(UsageRequest, RequestBase)
NS_IMETHODIMP
UsageRequest::GetResult(nsIVariant** aResult) {
AssertIsOnOwningThread();
MOZ_ASSERT(aResult);
if (!mHaveResultOrErrorCode) {
return NS_ERROR_FAILURE;
}
NS_IF_ADDREF(*aResult = mResult);
return NS_OK;
}
NS_IMETHODIMP
UsageRequest::GetCallback(nsIQuotaUsageCallback** aCallback) {
AssertIsOnOwningThread();
MOZ_ASSERT(aCallback);
NS_IF_ADDREF(*aCallback = mCallback);
return NS_OK;
}
NS_IMETHODIMP
UsageRequest::SetCallback(nsIQuotaUsageCallback* aCallback) {
AssertIsOnOwningThread();
mCallback = aCallback;
return NS_OK;
}
NS_IMETHODIMP
UsageRequest::Cancel() {
AssertIsOnOwningThread();
if (mCanceled) {
NS_WARNING("Canceled more than once?!");
return NS_ERROR_UNEXPECTED;
}
if (mBackgroundActor) {
mBackgroundActor->SendCancel();
}
mCanceled = true;
return NS_OK;
}
void UsageRequest::FireCallback() {
AssertIsOnOwningThread();
MOZ_ASSERT(mCallback);
mCallback->OnUsageResult(this);
// Clean up.
mCallback = nullptr;
}
Request::Request() { AssertIsOnOwningThread(); }
Request::Request(nsIPrincipal* aPrincipal) : RequestBase(aPrincipal) {
AssertIsOnOwningThread();
MOZ_ASSERT(aPrincipal);
}
Request::Request(nsIQuotaCallback* aCallback) : mCallback(aCallback) {
AssertIsOnOwningThread();
MOZ_ASSERT(aCallback);
}
Request::~Request() { AssertIsOnOwningThread(); }
void Request::SetResult(nsIVariant* aResult) {
AssertIsOnOwningThread();
MOZ_ASSERT(aResult);
MOZ_ASSERT(!mHaveResultOrErrorCode);
mResult = aResult;
mHaveResultOrErrorCode = true;
FireCallback();
}
NS_IMETHODIMP
Request::GetResult(nsIVariant** aResult) {
AssertIsOnOwningThread();
MOZ_ASSERT(aResult);
if (!mHaveResultOrErrorCode) {
return NS_ERROR_FAILURE;
}
NS_IF_ADDREF(*aResult = mResult);
return NS_OK;
}
NS_IMPL_CYCLE_COLLECTION_INHERITED(Request, RequestBase, mCallback, mResult)
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(Request)
NS_INTERFACE_MAP_ENTRY(nsIQuotaRequest)
NS_INTERFACE_MAP_END_INHERITING(RequestBase)
NS_IMPL_ADDREF_INHERITED(mozilla::dom::quota::Request, RequestBase)
NS_IMPL_RELEASE_INHERITED(mozilla::dom::quota::Request, RequestBase)
NS_IMETHODIMP
Request::GetCallback(nsIQuotaCallback** aCallback) {
AssertIsOnOwningThread();
MOZ_ASSERT(aCallback);
NS_IF_ADDREF(*aCallback = mCallback);
return NS_OK;
}
NS_IMETHODIMP
Request::SetCallback(nsIQuotaCallback* aCallback) {
AssertIsOnOwningThread();
mCallback = aCallback;
return NS_OK;
}
void Request::FireCallback() {
AssertIsOnOwningThread();
if (mCallback) {
mCallback->OnComplete(this);
// Clean up.
mCallback = nullptr;
}
}
} // namespace quota
} // namespace dom
} // namespace mozilla