зеркало из https://github.com/mozilla/gecko-dev.git
143 строки
3.1 KiB
C++
143 строки
3.1 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=2 et sw=2 tw=80: */
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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 file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "ArchiveEvent.h"
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#include "nsCExternalHandlerService.h"
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#include "nsProxyRelease.h"
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USING_ARCHIVEREADER_NAMESPACE
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NS_IMPL_ISUPPORTS0(ArchiveItem)
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ArchiveItem::ArchiveItem()
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{
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MOZ_COUNT_CTOR(ArchiveItem);
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}
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ArchiveItem::~ArchiveItem()
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{
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MOZ_COUNT_DTOR(ArchiveItem);
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}
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nsCString
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ArchiveItem::GetType()
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{
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if (mType.IsEmpty()) {
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return NS_LITERAL_CSTRING("binary/octet-stream");
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}
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return mType;
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}
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void
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ArchiveItem::SetType(const nsCString& aType)
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{
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mType = aType;
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}
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ArchiveReaderEvent::ArchiveReaderEvent(ArchiveReader* aArchiveReader)
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: mArchiveReader(aArchiveReader)
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{
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MOZ_COUNT_CTOR(ArchiveReaderEvent);
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}
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ArchiveReaderEvent::~ArchiveReaderEvent()
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{
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if (!NS_IsMainThread()) {
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nsIMIMEService* mimeService;
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mMimeService.forget(&mimeService);
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if (mimeService) {
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nsCOMPtr<nsIThread> mainThread = do_GetMainThread();
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NS_WARN_IF_FALSE(mainThread, "Couldn't get the main thread! Leaking!");
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if (mainThread) {
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NS_ProxyRelease(mainThread, mimeService);
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}
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}
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}
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MOZ_COUNT_DTOR(ArchiveReaderEvent);
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}
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// From the filename to the mimetype:
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nsresult
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ArchiveReaderEvent::GetType(nsCString& aExt,
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nsCString& aMimeType)
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{
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MOZ_ASSERT(NS_IsMainThread());
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nsresult rv;
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if (mMimeService.get() == nullptr) {
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mMimeService = do_GetService(NS_MIMESERVICE_CONTRACTID, &rv);
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NS_ENSURE_SUCCESS(rv, rv);
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}
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rv = mMimeService->GetTypeFromExtension(aExt, aMimeType);
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NS_ENSURE_SUCCESS(rv, rv);
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return NS_OK;
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}
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NS_IMETHODIMP
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ArchiveReaderEvent::Run()
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{
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return Exec();
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}
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nsresult
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ArchiveReaderEvent::RunShare(nsresult aStatus)
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{
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mStatus = aStatus;
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nsCOMPtr<nsIRunnable> event = NS_NewRunnableMethod(this, &ArchiveReaderEvent::ShareMainThread);
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NS_DispatchToMainThread(event);
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return NS_OK;
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}
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void
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ArchiveReaderEvent::ShareMainThread()
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{
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nsTArray<nsCOMPtr<nsIDOMFile> > fileList;
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if (!NS_FAILED(mStatus)) {
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// This extra step must run in the main thread:
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for (uint32_t index = 0; index < mFileList.Length(); ++index) {
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nsRefPtr<ArchiveItem> item = mFileList[index];
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nsString tmp;
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nsresult rv = item->GetFilename(tmp);
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nsCString filename = NS_ConvertUTF16toUTF8(tmp);
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if (NS_FAILED(rv)) {
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continue;
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}
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int32_t offset = filename.RFindChar('.');
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if (offset != kNotFound) {
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filename.Cut(0, offset + 1);
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// Just to be sure, if something goes wrong, the mimetype is an empty string:
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nsCString type;
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if (NS_SUCCEEDED(GetType(filename, type))) {
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item->SetType(type);
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}
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}
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// This is a nsDOMFile:
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nsRefPtr<nsIDOMFile> file = item->File(mArchiveReader);
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if (file) {
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fileList.AppendElement(file);
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}
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}
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}
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mArchiveReader->Ready(fileList, mStatus);
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}
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