RemoteDragStartData.cpp

Enable keyboard shortcuts

/* 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 "nsContentAreaDragDrop.h"

#include "RemoteDragStartData.h"

#include "nsContentUtils.h"

#include "nsICookieJarSettings.h"

#include "nsVariant.h"

#include "mozilla/dom/BlobImpl.h"

#include "mozilla/dom/BrowserParent.h"

#include "mozilla/dom/IPCBlobUtils.h"

#include "mozilla/dom/DOMTypes.h"

#include "mozilla/ipc/ProtocolUtils.h"

using namespace mozilla::ipc;

namespace mozilla::dom {

RemoteDragStartData::~RemoteDragStartData() = default;

RemoteDragStartData::RemoteDragStartData(

    BrowserParent* aBrowserParent,

    nsTArray<IPCTransferableData>&& aTransferableData,

    const LayoutDeviceIntRect& aRect, nsIPrincipal* aPrincipal,

    nsIContentSecurityPolicy* aCsp, nsICookieJarSettings* aCookieJarSettings,

    WindowContext* aSourceWindowContext, WindowContext* aSourceTopWindowContext)

    : mBrowserParent(aBrowserParent),

      mTransferableData(std::move(aTransferableData)),

      mRect(aRect),

      mPrincipal(aPrincipal),

      mCsp(aCsp),

      mCookieJarSettings(aCookieJarSettings),

      mSourceWindowContext(aSourceWindowContext),

      mSourceTopWindowContext(aSourceTopWindowContext) {}

void RemoteDragStartData::AddInitialDnDDataTo(

    DataTransfer* aDataTransfer, nsIPrincipal** aPrincipal,

    nsIContentSecurityPolicy** aCsp,

    nsICookieJarSettings** aCookieJarSettings) {

  NS_IF_ADDREF(*aPrincipal = mPrincipal);

  NS_IF_ADDREF(*aCsp = mCsp);

  NS_IF_ADDREF(*aCookieJarSettings = mCookieJarSettings);

  for (uint32_t i = 0; i < mTransferableData.Length(); ++i) {

    nsTArray<IPCTransferableDataItem>& itemArray = mTransferableData[i].items();

    for (auto& item : itemArray) {

      if (!nsContentUtils::IPCTransferableDataItemHasKnownFlavor(item)) {

        NS_WARNING(

            "Ignoring unknown flavor in "

            "RemoteDragStartData::AddInitialDnDDataTo");

        continue;

      RefPtr<nsVariantCC> variant = new nsVariantCC();

      // Special case kFilePromiseMime so that we get the right

      // nsIFlavorDataProvider for it.

      if (item.flavor().EqualsLiteral(kFilePromiseMime)) {

        RefPtr<nsISupports> flavorDataProvider =

            new nsContentAreaDragDropDataProvider();

        variant->SetAsISupports(flavorDataProvider);

      } else {

        nsresult rv =

            nsContentUtils::IPCTransferableDataItemToVariant(item, variant);

        if (NS_FAILED(rv)) {

          continue;

      // We set aHidden to false, as we don't need to worry about hiding data

      // from content in the parent process where there is no content.

      aDataTransfer->SetDataWithPrincipalFromOtherProcess(

          NS_ConvertUTF8toUTF16(item.flavor()), variant, i, mPrincipal,

          /* aHidden = */ false);

  // Clear things that are no longer needed.

  mTransferableData.Clear();

  mPrincipal = nullptr;

}  // namespace mozilla::dom