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::dom {
  17
  18 class IPCDataTransferItem;
  19 class BrowserParent;
  20
  21 /**
  22  * This class is used to hold information about a drag
  23  * when a drag begins in a content process.
  24  */
  25 class RemoteDragStartData {
  26  public:
  27   NS_INLINE_DECL_REFCOUNTING(RemoteDragStartData)
  28
  29   RemoteDragStartData(BrowserParent* aBrowserParent,
  30                       nsTArray<IPCTransferableData>&& aTransferableData,
  31                       const LayoutDeviceIntRect& aRect,
  32                       nsIPrincipal* aPrincipal, nsIContentSecurityPolicy* aCsp,
  33                       nsICookieJarSettings* aCookieJarSettings,
  34                       WindowContext* aSourceWindowContext,
  35                       WindowContext* aSourceTopWindowContext);
  36
  37   void SetVisualization(
  38       already_AddRefed<gfx::DataSourceSurface> aVisualization) {
  39     mVisualization = aVisualization;
  40   }
  41
  42   // Get the drag image and rectangle, clearing it from this
  43   // RemoteDragStartData in the process.
  44   already_AddRefed<mozilla::gfx::SourceSurface> TakeVisualization(
  45       LayoutDeviceIntRect* aRect) {
  46     *aRect = mRect;
  47     return mVisualization.forget();
  48   }
  49
  50   void AddInitialDnDDataTo(DataTransfer* aDataTransfer,
  51                            nsIPrincipal** aPrincipal,
  52                            nsIContentSecurityPolicy** aCsp,
  53                            nsICookieJarSettings** aCookieJarSettings);
  54
  55   WindowContext* GetSourceWindowContext() { return mSourceWindowContext; }
  56   WindowContext* GetSourceTopWindowContext() { return mSourceTopWindowContext; }
  57
  58  private:
  59   virtual ~RemoteDragStartData();
  60
  61   RefPtr<BrowserParent> mBrowserParent;
  62   nsTArray<IPCTransferableData> mTransferableData;
  63   const LayoutDeviceIntRect mRect;
  64   nsCOMPtr<nsIPrincipal> mPrincipal;
  65   nsCOMPtr<nsIContentSecurityPolicy> mCsp;
  66   nsCOMPtr<nsICookieJarSettings> mCookieJarSettings;
  67   RefPtr<WindowContext> mSourceWindowContext;
  68   RefPtr<WindowContext> mSourceTopWindowContext;
  69   RefPtr<mozilla::gfx::SourceSurface> mVisualization;
  70 };
  71
  72 }  // namespace mozilla::dom
  73
  74 #endif  // mozilla_dom_RemoteDragStartData_h