gecko-dev/dom/events/RemoteDragStartData.h

70 строки
2.1 KiB
C++

/* 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/. */
#ifndef mozilla_dom_RemoteDragStartData_h
#define mozilla_dom_RemoteDragStartData_h
#include "nsCOMPtr.h"
#include "nsRect.h"
#include "mozilla/dom/DataTransfer.h"
#include "mozilla/dom/DOMTypes.h"
#include "mozilla/gfx/DataSurfaceHelpers.h"
class nsICookieJarSettings;
namespace mozilla {
namespace dom {
class IPCDataTransferItem;
class BrowserParent;
/**
* This class is used to hold information about a drag
* when a drag begins in a content process.
*/
class RemoteDragStartData {
public:
NS_INLINE_DECL_REFCOUNTING(RemoteDragStartData)
RemoteDragStartData(BrowserParent* aBrowserParent,
nsTArray<IPCDataTransfer>&& aDataTransfer,
const LayoutDeviceIntRect& aRect,
nsIPrincipal* aPrincipal, nsIContentSecurityPolicy* aCsp,
nsICookieJarSettings* aCookieJarSettings);
void SetVisualization(
already_AddRefed<gfx::DataSourceSurface> aVisualization) {
mVisualization = aVisualization;
}
// Get the drag image and rectangle, clearing it from this
// RemoteDragStartData in the process.
already_AddRefed<mozilla::gfx::SourceSurface> TakeVisualization(
LayoutDeviceIntRect* aRect) {
*aRect = mRect;
return mVisualization.forget();
}
void AddInitialDnDDataTo(DataTransfer* aDataTransfer,
nsIPrincipal** aPrincipal,
nsIContentSecurityPolicy** aCsp,
nsICookieJarSettings** aCookieJarSettings);
private:
virtual ~RemoteDragStartData();
RefPtr<BrowserParent> mBrowserParent;
nsTArray<IPCDataTransfer> mDataTransfer;
const LayoutDeviceIntRect mRect;
nsCOMPtr<nsIPrincipal> mPrincipal;
nsCOMPtr<nsIContentSecurityPolicy> mCsp;
nsCOMPtr<nsICookieJarSettings> mCookieJarSettings;
RefPtr<mozilla::gfx::SourceSurface> mVisualization;
};
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_RemoteDragStartData_h