gecko-dev/dom/archivereader/ArchiveReader.cpp

214 строки
5.5 KiB
C++
Исходник Обычный вид История

/* -*- 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 "ArchiveReader.h"
#include "ArchiveRequest.h"
#include "ArchiveEvent.h"
#include "ArchiveZipEvent.h"
#include "nsIURI.h"
#include "nsNetUtil.h"
#include "mozilla/dom/ArchiveReaderBinding.h"
#include "mozilla/dom/BindingDeclarations.h"
#include "mozilla/dom/File.h"
#include "mozilla/dom/EncodingUtils.h"
#include "mozilla/Preferences.h"
using namespace mozilla;
using namespace mozilla::dom;
Bug 975696 - Split ArchiveReader and FileHandle implementation into separate dirs. r=bent f=baku --HG-- rename : dom/file/ArchiveEvent.cpp => dom/archivereader/ArchiveEvent.cpp rename : dom/file/ArchiveEvent.h => dom/archivereader/ArchiveEvent.h rename : dom/file/ArchiveReader.cpp => dom/archivereader/ArchiveReader.cpp rename : dom/file/ArchiveReader.h => dom/archivereader/ArchiveReader.h rename : dom/file/ArchiveRequest.cpp => dom/archivereader/ArchiveRequest.cpp rename : dom/file/ArchiveRequest.h => dom/archivereader/ArchiveRequest.h rename : dom/file/ArchiveZipEvent.cpp => dom/archivereader/ArchiveZipEvent.cpp rename : dom/file/ArchiveZipEvent.h => dom/archivereader/ArchiveZipEvent.h rename : dom/file/ArchiveZipFile.cpp => dom/archivereader/ArchiveZipFile.cpp rename : dom/file/ArchiveZipFile.h => dom/archivereader/ArchiveZipFile.h rename : dom/file/test/test_archivereader.html => dom/archivereader/test/test_basic.html rename : dom/file/test/test_archivereader_nonUnicode.html => dom/archivereader/test/test_nonUnicode.html rename : dom/file/test/test_archivereader_zip_in_zip.html => dom/archivereader/test/test_zip_in_zip.html rename : dom/file/test/test_bug_793311.html => dom/base/test/test_bug793311.html rename : dom/file/AsyncHelper.cpp => dom/filehandle/AsyncHelper.cpp rename : dom/file/AsyncHelper.h => dom/filehandle/AsyncHelper.h rename : dom/file/File.cpp => dom/filehandle/File.cpp rename : dom/file/File.h => dom/filehandle/File.h rename : dom/file/FileHandle.cpp => dom/filehandle/FileHandle.cpp rename : dom/file/FileHandle.h => dom/filehandle/FileHandle.h rename : dom/file/FileHelper.cpp => dom/filehandle/FileHelper.cpp rename : dom/file/FileHelper.h => dom/filehandle/FileHelper.h rename : dom/file/FileRequest.cpp => dom/filehandle/FileRequest.cpp rename : dom/file/FileRequest.h => dom/filehandle/FileRequest.h rename : dom/file/FileService.cpp => dom/filehandle/FileService.cpp rename : dom/file/FileService.h => dom/filehandle/FileService.h rename : dom/file/FileStreamWrappers.cpp => dom/filehandle/FileStreamWrappers.cpp rename : dom/file/FileStreamWrappers.h => dom/filehandle/FileStreamWrappers.h rename : dom/file/LockedFile.cpp => dom/filehandle/LockedFile.cpp rename : dom/file/LockedFile.h => dom/filehandle/LockedFile.h rename : dom/file/MemoryStreams.cpp => dom/filehandle/MemoryStreams.cpp rename : dom/file/MemoryStreams.h => dom/filehandle/MemoryStreams.h rename : dom/file/MetadataHelper.cpp => dom/filehandle/MetadataHelper.cpp rename : dom/file/MetadataHelper.h => dom/filehandle/MetadataHelper.h rename : dom/file/moz.build => dom/filehandle/moz.build rename : dom/file/nsIFileStorage.h => dom/filehandle/nsIFileStorage.h rename : dom/file/test/dummy_worker.js => dom/filehandle/test/dummy_worker.js rename : dom/file/test/helpers.js => dom/filehandle/test/helpers.js rename : dom/file/test/mochitest.ini => dom/filehandle/test/mochitest.ini rename : dom/file/test/moz.build => dom/filehandle/test/moz.build rename : dom/file/test/test_append_read_data.html => dom/filehandle/test/test_append_read_data.html rename : dom/file/test/test_getFile.html => dom/filehandle/test/test_getFile.html rename : dom/file/test/test_getFileId.html => dom/filehandle/test/test_getFileId.html rename : dom/file/test/test_location.html => dom/filehandle/test/test_location.html rename : dom/file/test/test_lockedfile_lifetimes.html => dom/filehandle/test/test_lockedfile_lifetimes.html rename : dom/file/test/test_lockedfile_lifetimes_nested.html => dom/filehandle/test/test_lockedfile_lifetimes_nested.html rename : dom/file/test/test_lockedfile_ordering.html => dom/filehandle/test/test_lockedfile_ordering.html rename : dom/file/test/test_overlapping_lockedfiles.html => dom/filehandle/test/test_overlapping_lockedfiles.html rename : dom/file/test/test_progress_events.html => dom/filehandle/test/test_progress_events.html rename : dom/file/test/test_readonly_lockedfiles.html => dom/filehandle/test/test_readonly_lockedfiles.html rename : dom/file/test/test_request_readyState.html => dom/filehandle/test/test_request_readyState.html rename : dom/file/test/test_stream_tracking.html => dom/filehandle/test/test_stream_tracking.html rename : dom/file/test/test_success_events_after_abort.html => dom/filehandle/test/test_success_events_after_abort.html rename : dom/file/test/test_truncate.html => dom/filehandle/test/test_truncate.html rename : dom/file/test/test_workers.html => dom/filehandle/test/test_workers.html rename : dom/file/test/test_write_read_data.html => dom/filehandle/test/test_write_read_data.html
2014-05-07 18:32:12 +04:00
USING_ARCHIVEREADER_NAMESPACE
/* static */ already_AddRefed<ArchiveReader>
ArchiveReader::Constructor(const GlobalObject& aGlobal,
File& aBlob,
const ArchiveReaderOptions& aOptions,
ErrorResult& aError)
{
nsCOMPtr<nsPIDOMWindow> window = do_QueryInterface(aGlobal.GetAsSupports());
if (!window) {
aError.Throw(NS_ERROR_UNEXPECTED);
return nullptr;
}
nsAutoCString encoding;
if (!EncodingUtils::FindEncodingForLabelNoReplacement(aOptions.mEncoding,
encoding)) {
aError.ThrowRangeError(MSG_ENCODING_NOT_SUPPORTED, &aOptions.mEncoding);
return nullptr;
}
nsRefPtr<ArchiveReader> reader =
new ArchiveReader(aBlob, window, encoding);
return reader.forget();
}
ArchiveReader::ArchiveReader(File& aBlob, nsPIDOMWindow* aWindow,
const nsACString& aEncoding)
: mFileImpl(aBlob.Impl())
, mWindow(aWindow)
, mStatus(NOT_STARTED)
, mEncoding(aEncoding)
{
MOZ_ASSERT(aWindow);
}
ArchiveReader::~ArchiveReader()
{
}
/* virtual */ JSObject*
Bug 1117172 part 3. Change the wrappercached WrapObject methods to allow passing in aGivenProto. r=peterv The only manual changes here are to BindingUtils.h, BindingUtils.cpp, Codegen.py, Element.cpp, IDBFileRequest.cpp, IDBObjectStore.cpp, dom/workers/Navigator.cpp, WorkerPrivate.cpp, DeviceStorageRequestChild.cpp, Notification.cpp, nsGlobalWindow.cpp, MessagePort.cpp, nsJSEnvironment.cpp, Sandbox.cpp, XPCConvert.cpp, ExportHelpers.cpp, and DataStoreService.cpp. The rest of this diff was generated by running the following commands: find . -name "*.h" -o -name "*.cpp" | xargs perl -pi -e 'BEGIN { $/ = undef } s/(WrapObjectInternal\(JSContext *\* *(?:aCx|cx|aContext|aCtx|js))\)/\1, JS::Handle<JSObject*> aGivenProto)/g' find . -name "*.h" -o -name "*.cpp" | xargs perl -pi -e 'BEGIN { $/ = undef } s/(WrapObjectInternal\((?:aCx|cx|aContext|aCtx|js))\)/\1, aGivenProto)/g' find . -name "*.h" -o -name "*.cpp" | xargs perl -pi -e 'BEGIN { $/ = undef } s/(WrapNode\(JSContext *\* *(?:aCx|cx|aContext|aCtx|js))\)/\1, JS::Handle<JSObject*> aGivenProto)/g' find . -name "*.h" -o -name "*.cpp" | xargs perl -pi -e 'BEGIN { $/ = undef } s/(WrapNode\((?:aCx|cx|aContext|aCtx|js))\)/\1, aGivenProto)/g' find . -name "*.h" -o -name "*.cpp" | xargs perl -pi -e 'BEGIN { $/ = undef } s/(WrapObject\(JSContext *\* *(?:aCx|cx|aContext|aCtx|js))\)/\1, JS::Handle<JSObject*> aGivenProto)/g' find . -name "*.h" -o -name "*.cpp" | xargs perl -pi -e 'BEGIN { $/ = undef } s/(Binding(?:_workers)?::Wrap\((?:aCx|cx|aContext|aCtx|js), [^,)]+)\)/\1, aGivenProto)/g'
2015-03-19 17:13:33 +03:00
ArchiveReader::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
{
Bug 1117172 part 3. Change the wrappercached WrapObject methods to allow passing in aGivenProto. r=peterv The only manual changes here are to BindingUtils.h, BindingUtils.cpp, Codegen.py, Element.cpp, IDBFileRequest.cpp, IDBObjectStore.cpp, dom/workers/Navigator.cpp, WorkerPrivate.cpp, DeviceStorageRequestChild.cpp, Notification.cpp, nsGlobalWindow.cpp, MessagePort.cpp, nsJSEnvironment.cpp, Sandbox.cpp, XPCConvert.cpp, ExportHelpers.cpp, and DataStoreService.cpp. The rest of this diff was generated by running the following commands: find . -name "*.h" -o -name "*.cpp" | xargs perl -pi -e 'BEGIN { $/ = undef } s/(WrapObjectInternal\(JSContext *\* *(?:aCx|cx|aContext|aCtx|js))\)/\1, JS::Handle<JSObject*> aGivenProto)/g' find . -name "*.h" -o -name "*.cpp" | xargs perl -pi -e 'BEGIN { $/ = undef } s/(WrapObjectInternal\((?:aCx|cx|aContext|aCtx|js))\)/\1, aGivenProto)/g' find . -name "*.h" -o -name "*.cpp" | xargs perl -pi -e 'BEGIN { $/ = undef } s/(WrapNode\(JSContext *\* *(?:aCx|cx|aContext|aCtx|js))\)/\1, JS::Handle<JSObject*> aGivenProto)/g' find . -name "*.h" -o -name "*.cpp" | xargs perl -pi -e 'BEGIN { $/ = undef } s/(WrapNode\((?:aCx|cx|aContext|aCtx|js))\)/\1, aGivenProto)/g' find . -name "*.h" -o -name "*.cpp" | xargs perl -pi -e 'BEGIN { $/ = undef } s/(WrapObject\(JSContext *\* *(?:aCx|cx|aContext|aCtx|js))\)/\1, JS::Handle<JSObject*> aGivenProto)/g' find . -name "*.h" -o -name "*.cpp" | xargs perl -pi -e 'BEGIN { $/ = undef } s/(Binding(?:_workers)?::Wrap\((?:aCx|cx|aContext|aCtx|js), [^,)]+)\)/\1, aGivenProto)/g'
2015-03-19 17:13:33 +03:00
return ArchiveReaderBinding::Wrap(aCx, this, aGivenProto);
}
nsresult
ArchiveReader::RegisterRequest(ArchiveRequest* aRequest)
{
switch (mStatus) {
// Append to the list and let's start to work:
case NOT_STARTED:
mRequests.AppendElement(aRequest);
return OpenArchive();
// Just append to the list:
case WORKING:
mRequests.AppendElement(aRequest);
return NS_OK;
// Return data!
case READY:
RequestReady(aRequest);
return NS_OK;
}
NS_ASSERTION(false, "unexpected mStatus value");
return NS_OK;
}
// This returns the input stream
nsresult
ArchiveReader::GetInputStream(nsIInputStream** aInputStream)
{
// Getting the input stream
mFileImpl->GetInternalStream(aInputStream);
NS_ENSURE_TRUE(*aInputStream, NS_ERROR_UNEXPECTED);
return NS_OK;
}
nsresult
ArchiveReader::GetSize(uint64_t* aSize)
{
ErrorResult rv;
*aSize = mFileImpl->GetSize(rv);
return rv.StealNSResult();
}
// Here we open the archive:
nsresult
ArchiveReader::OpenArchive()
{
mStatus = WORKING;
nsresult rv;
// Target:
nsCOMPtr<nsIEventTarget> target = do_GetService(NS_STREAMTRANSPORTSERVICE_CONTRACTID);
NS_ASSERTION(target, "Must have stream transport service");
// Here a Event to make everything async:
nsRefPtr<ArchiveReaderEvent> event;
/* FIXME: If we want to support more than 1 format we should check the content type here: */
event = new ArchiveReaderZipEvent(this, mEncoding);
rv = target->Dispatch(event, NS_DISPATCH_NORMAL);
NS_ENSURE_SUCCESS(rv, rv);
// In order to be sure that this object exists when the event finishes its task,
// we increase the refcount here:
AddRef();
return NS_OK;
}
// Data received from the dispatched event:
void
ArchiveReader::Ready(nsTArray<nsCOMPtr<nsIDOMFile> >& aFileList,
nsresult aStatus)
{
mStatus = READY;
// Let's store the values:
mData.fileList = aFileList;
mData.status = aStatus;
// Propagate the results:
for (uint32_t index = 0; index < mRequests.Length(); ++index) {
nsRefPtr<ArchiveRequest> request = mRequests[index];
RequestReady(request);
}
mRequests.Clear();
// The async operation is concluded, we can decrease the reference:
Release();
}
void
ArchiveReader::RequestReady(ArchiveRequest* aRequest)
{
// The request will do the rest:
aRequest->ReaderReady(mData.fileList, mData.status);
}
already_AddRefed<ArchiveRequest>
ArchiveReader::GetFilenames()
{
nsRefPtr<ArchiveRequest> request = GenerateArchiveRequest();
request->OpGetFilenames();
return request.forget();
}
already_AddRefed<ArchiveRequest>
ArchiveReader::GetFile(const nsAString& filename)
{
nsRefPtr<ArchiveRequest> request = GenerateArchiveRequest();
request->OpGetFile(filename);
return request.forget();
}
already_AddRefed<ArchiveRequest>
ArchiveReader::GetFiles()
{
nsRefPtr<ArchiveRequest> request = GenerateArchiveRequest();
request->OpGetFiles();
return request.forget();
}
already_AddRefed<ArchiveRequest>
ArchiveReader::GenerateArchiveRequest()
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
return ArchiveRequest::Create(mWindow, this);
}
NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(ArchiveReader,
mFileImpl,
mWindow,
mData.fileList,
mRequests)
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(ArchiveReader)
NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
NS_INTERFACE_MAP_ENTRY(nsISupports)
NS_INTERFACE_MAP_END
NS_IMPL_CYCLE_COLLECTING_ADDREF(ArchiveReader)
NS_IMPL_CYCLE_COLLECTING_RELEASE(ArchiveReader)