diff options
Diffstat (limited to 'widget/nsFilePickerProxy.cpp')
| -rw-r--r-- | widget/nsFilePickerProxy.cpp | 273 |
1 files changed, 273 insertions, 0 deletions
diff --git a/widget/nsFilePickerProxy.cpp b/widget/nsFilePickerProxy.cpp new file mode 100644 index 000000000..8828c416e --- /dev/null +++ b/widget/nsFilePickerProxy.cpp @@ -0,0 +1,273 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- + * + * 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 "nsFilePickerProxy.h" +#include "nsComponentManagerUtils.h" +#include "nsIFile.h" +#include "mozilla/dom/Directory.h" +#include "mozilla/dom/File.h" +#include "mozilla/dom/TabChild.h" +#include "mozilla/dom/ipc/BlobChild.h" + +using namespace mozilla::dom; + +NS_IMPL_ISUPPORTS(nsFilePickerProxy, nsIFilePicker) + +nsFilePickerProxy::nsFilePickerProxy() + : mSelectedType(0) +{ +} + +nsFilePickerProxy::~nsFilePickerProxy() +{ +} + +NS_IMETHODIMP +nsFilePickerProxy::Init(mozIDOMWindowProxy* aParent, const nsAString& aTitle, + int16_t aMode) +{ + TabChild* tabChild = TabChild::GetFrom(aParent); + if (!tabChild) { + return NS_ERROR_FAILURE; + } + + mParent = nsPIDOMWindowOuter::From(aParent); + + mMode = aMode; + + NS_ADDREF_THIS(); + tabChild->SendPFilePickerConstructor(this, nsString(aTitle), aMode); + return NS_OK; +} + +void +nsFilePickerProxy::InitNative(nsIWidget* aParent, const nsAString& aTitle) +{ +} + +NS_IMETHODIMP +nsFilePickerProxy::AppendFilter(const nsAString& aTitle, const nsAString& aFilter) +{ + mFilterNames.AppendElement(aTitle); + mFilters.AppendElement(aFilter); + return NS_OK; +} + +NS_IMETHODIMP +nsFilePickerProxy::GetDefaultString(nsAString& aDefaultString) +{ + aDefaultString = mDefault; + return NS_OK; +} + +NS_IMETHODIMP +nsFilePickerProxy::SetDefaultString(const nsAString& aDefaultString) +{ + mDefault = aDefaultString; + return NS_OK; +} + +NS_IMETHODIMP +nsFilePickerProxy::GetDefaultExtension(nsAString& aDefaultExtension) +{ + aDefaultExtension = mDefaultExtension; + return NS_OK; +} + +NS_IMETHODIMP +nsFilePickerProxy::SetDefaultExtension(const nsAString& aDefaultExtension) +{ + mDefaultExtension = aDefaultExtension; + return NS_OK; +} + +NS_IMETHODIMP +nsFilePickerProxy::GetFilterIndex(int32_t* aFilterIndex) +{ + *aFilterIndex = mSelectedType; + return NS_OK; +} + +NS_IMETHODIMP +nsFilePickerProxy::SetFilterIndex(int32_t aFilterIndex) +{ + mSelectedType = aFilterIndex; + return NS_OK; +} + +NS_IMETHODIMP +nsFilePickerProxy::GetFile(nsIFile** aFile) +{ + MOZ_ASSERT(false, "GetFile is unimplemented; use GetDomFileOrDirectory"); + return NS_ERROR_FAILURE; +} + +NS_IMETHODIMP +nsFilePickerProxy::GetFileURL(nsIURI** aFileURL) +{ + MOZ_ASSERT(false, "GetFileURL is unimplemented; use GetDomFileOrDirectory"); + return NS_ERROR_FAILURE; +} + +NS_IMETHODIMP +nsFilePickerProxy::GetFiles(nsISimpleEnumerator** aFiles) +{ + MOZ_ASSERT(false, "GetFiles is unimplemented; use GetDomFileOrDirectoryEnumerator"); + return NS_ERROR_FAILURE; +} + +NS_IMETHODIMP +nsFilePickerProxy::Show(int16_t* aReturn) +{ + MOZ_ASSERT(false, "Show is unimplemented; use Open"); + return NS_ERROR_NOT_IMPLEMENTED; +} + +NS_IMETHODIMP +nsFilePickerProxy::Open(nsIFilePickerShownCallback* aCallback) +{ + mCallback = aCallback; + + nsString displayDirectory; + if (mDisplayDirectory) { + mDisplayDirectory->GetPath(displayDirectory); + } + + SendOpen(mSelectedType, mAddToRecentDocs, mDefault, mDefaultExtension, + mFilters, mFilterNames, displayDirectory, mOkButtonLabel); + + return NS_OK; +} + +bool +nsFilePickerProxy::Recv__delete__(const MaybeInputData& aData, + const int16_t& aResult) +{ + if (aData.type() == MaybeInputData::TInputBlobs) { + const InfallibleTArray<PBlobChild*>& blobs = aData.get_InputBlobs().blobsChild(); + for (uint32_t i = 0; i < blobs.Length(); ++i) { + BlobChild* actor = static_cast<BlobChild*>(blobs[i]); + RefPtr<BlobImpl> blobImpl = actor->GetBlobImpl(); + NS_ENSURE_TRUE(blobImpl, true); + + if (!blobImpl->IsFile()) { + return true; + } + + nsPIDOMWindowInner* inner = + mParent ? mParent->GetCurrentInnerWindow() : nullptr; + RefPtr<File> file = File::Create(inner, blobImpl); + MOZ_ASSERT(file); + + OwningFileOrDirectory* element = mFilesOrDirectories.AppendElement(); + element->SetAsFile() = file; + } + } else if (aData.type() == MaybeInputData::TInputDirectory) { + nsCOMPtr<nsIFile> file; + NS_ConvertUTF16toUTF8 path(aData.get_InputDirectory().directoryPath()); + nsresult rv = NS_NewNativeLocalFile(path, true, getter_AddRefs(file)); + if (NS_WARN_IF(NS_FAILED(rv))) { + return true; + } + + RefPtr<Directory> directory = + Directory::Create(mParent->GetCurrentInnerWindow(), file); + MOZ_ASSERT(directory); + + OwningFileOrDirectory* element = mFilesOrDirectories.AppendElement(); + element->SetAsDirectory() = directory; + } + + if (mCallback) { + mCallback->Done(aResult); + mCallback = nullptr; + } + + return true; +} + +NS_IMETHODIMP +nsFilePickerProxy::GetDomFileOrDirectory(nsISupports** aValue) +{ + *aValue = nullptr; + if (mFilesOrDirectories.IsEmpty()) { + return NS_OK; + } + + MOZ_ASSERT(mFilesOrDirectories.Length() == 1); + + if (mFilesOrDirectories[0].IsFile()) { + nsCOMPtr<nsIDOMBlob> blob = mFilesOrDirectories[0].GetAsFile().get(); + blob.forget(aValue); + return NS_OK; + } + + MOZ_ASSERT(mFilesOrDirectories[0].IsDirectory()); + RefPtr<Directory> directory = mFilesOrDirectories[0].GetAsDirectory(); + directory.forget(aValue); + return NS_OK; +} + +namespace { + +class SimpleEnumerator final : public nsISimpleEnumerator +{ +public: + NS_DECL_ISUPPORTS + + explicit + SimpleEnumerator(const nsTArray<OwningFileOrDirectory>& aFilesOrDirectories) + : mFilesOrDirectories(aFilesOrDirectories) + , mIndex(0) + {} + + NS_IMETHOD + HasMoreElements(bool* aRetvalue) override + { + MOZ_ASSERT(aRetvalue); + *aRetvalue = mIndex < mFilesOrDirectories.Length(); + return NS_OK; + } + + NS_IMETHOD + GetNext(nsISupports** aValue) override + { + NS_ENSURE_TRUE(mIndex < mFilesOrDirectories.Length(), NS_ERROR_FAILURE); + + uint32_t index = mIndex++; + + if (mFilesOrDirectories[index].IsFile()) { + nsCOMPtr<nsIDOMBlob> blob = mFilesOrDirectories[index].GetAsFile().get(); + blob.forget(aValue); + return NS_OK; + } + + MOZ_ASSERT(mFilesOrDirectories[index].IsDirectory()); + RefPtr<Directory> directory = mFilesOrDirectories[index].GetAsDirectory(); + directory.forget(aValue); + return NS_OK; + } + +private: + ~SimpleEnumerator() + {} + + nsTArray<mozilla::dom::OwningFileOrDirectory> mFilesOrDirectories; + uint32_t mIndex; +}; + +NS_IMPL_ISUPPORTS(SimpleEnumerator, nsISimpleEnumerator) + +} // namespace + +NS_IMETHODIMP +nsFilePickerProxy::GetDomFileOrDirectoryEnumerator(nsISimpleEnumerator** aDomfiles) +{ + RefPtr<SimpleEnumerator> enumerator = + new SimpleEnumerator(mFilesOrDirectories); + enumerator.forget(aDomfiles); + return NS_OK; +} |