dom/events/RemoteDragStartData.h

   1 /* This Source Code Form is subject to the terms of the Mozilla Public
   2  * License, v. 2.0. If a copy of the MPL was not distributed with this
   3  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   4
   5 #ifndef mozilla_dom_RemoteDragStartData_h
   6 #define mozilla_dom_RemoteDragStartData_h
   7
   8 #include "nsCOMPtr.h"
   9 #include "nsRect.h"
  10 #include "mozilla/dom/DataTransfer.h"
  11 #include "mozilla/dom/DOMTypes.h"
  12 #include "mozilla/gfx/DataSurfaceHelpers.h"
  13
  14 class nsICookieJarSettings;
  15
  16 namespace mozilla {
  17 namespace dom {
  18
  19 class IPCDataTransferItem;
  20 class BrowserParent;
  21
  22 /**
  23  * This class is used to hold information about a drag
  24  * when a drag begins in a content process.
  25  */
  26 class RemoteDragStartData {
  27  public:
  28   NS_INLINE_DECL_REFCOUNTING(RemoteDragStartData)
  29
  30   RemoteDragStartData(BrowserParent* aBrowserParent,
  31                       nsTArray<IPCDataTransfer>&& aDataTransfer,
  32                       const LayoutDeviceIntRect& aRect,
  33                       nsIPrincipal* aPrincipal, nsIContentSecurityPolicy* aCsp,
  34                       nsICookieJarSettings* aCookieJarSettings);
  35
  36   void SetVisualization(
  37       already_AddRefed<gfx::DataSourceSurface> aVisualization) {
  38     mVisualization = aVisualization;
  39   }
  40
  41   // Get the drag image and rectangle, clearing it from this
  42   // RemoteDragStartData in the process.
  43   already_AddRefed<mozilla::gfx::SourceSurface> TakeVisualization(
  44       LayoutDeviceIntRect* aRect) {
  45     *aRect = mRect;
  46     return mVisualization.forget();
  47   }
  48
  49   void AddInitialDnDDataTo(DataTransfer* aDataTransfer,
  50                            nsIPrincipal** aPrincipal,
  51                            nsIContentSecurityPolicy** aCsp,
  52                            nsICookieJarSettings** aCookieJarSettings);
  53
  54  private:
  55   virtual ~RemoteDragStartData();
  56
  57   RefPtr<BrowserParent> mBrowserParent;
  58   nsTArray<IPCDataTransfer> mDataTransfer;
  59   const LayoutDeviceIntRect mRect;
  60   nsCOMPtr<nsIPrincipal> mPrincipal;
  61   nsCOMPtr<nsIContentSecurityPolicy> mCsp;
  62   nsCOMPtr<nsICookieJarSettings> mCookieJarSettings;
  63   RefPtr<mozilla::gfx::SourceSurface> mVisualization;
  64 };
  65
  66 }  // namespace dom
  67 }  // namespace mozilla
  68
  69 #endif  // mozilla_dom_RemoteDragStartData_h