dom/base/nsDOMWindowUtils.h
author Dave Townsend <dtownsend@oxymoronical.com>
Sun, 13 Jan 2019 17:44:29 -0800
changeset 453676 edca8877b0505cd1c31beaf6d907ca32e022aa52
parent 452446 f0a91d36587266d7454a450c6044d573664fbed5
child 463493 7aefe7888eabbdec1c7b013f0e6d2138f6d057f6
permissions -rw-r--r--
Backing out Bug 1518799 (changeset eace4709948c) because the target page is not yet available. a=backout

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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 nsDOMWindowUtils_h_
#define nsDOMWindowUtils_h_

#include "nsWeakReference.h"

#include "nsIDOMWindowUtils.h"
#include "mozilla/Attributes.h"
#include "mozilla/BasicEvents.h"

class nsGlobalWindowOuter;
class nsIPresShell;
class nsIWidget;
class nsPresContext;
class nsView;
struct nsPoint;

namespace mozilla {
namespace dom {
class Document;
class Element;
}  // namespace dom
namespace layers {
class LayerTransactionChild;
class WebRenderBridgeChild;
}  // namespace layers
}  // namespace mozilla

class nsTranslationNodeList final : public nsITranslationNodeList {
 public:
  nsTranslationNodeList() {
    mNodes.SetCapacity(1000);
    mNodeIsRoot.SetCapacity(1000);
    mLength = 0;
  }

  NS_DECL_ISUPPORTS
  NS_DECL_NSITRANSLATIONNODELIST

  void AppendElement(nsINode* aElement, bool aIsRoot) {
    mNodes.AppendElement(aElement);
    mNodeIsRoot.AppendElement(aIsRoot);
    mLength++;
  }

 private:
  ~nsTranslationNodeList() {}

  nsTArray<nsCOMPtr<nsINode> > mNodes;
  nsTArray<bool> mNodeIsRoot;
  uint32_t mLength;
};

class nsDOMWindowUtils final : public nsIDOMWindowUtils,
                               public nsSupportsWeakReference {
  typedef mozilla::widget::TextEventDispatcher TextEventDispatcher;

 public:
  explicit nsDOMWindowUtils(nsGlobalWindowOuter* aWindow);
  NS_DECL_ISUPPORTS
  NS_DECL_NSIDOMWINDOWUTILS

 protected:
  ~nsDOMWindowUtils();

  nsWeakPtr mWindow;

  // If aOffset is non-null, it gets filled in with the offset of the root
  // frame of our window to the nearest widget in the app units of our window.
  // Add this offset to any event offset we're given to make it relative to the
  // widget returned by GetWidget.
  nsIWidget* GetWidget(nsPoint* aOffset = nullptr);
  nsIWidget* GetWidgetForElement(mozilla::dom::Element* aElement);

  nsIPresShell* GetPresShell();
  nsPresContext* GetPresContext();
  mozilla::dom::Document* GetDocument();
  mozilla::layers::LayerTransactionChild* GetLayerTransaction();
  mozilla::layers::WebRenderBridgeChild* GetWebRenderBridge();

  // Until callers are annotated.
  MOZ_CAN_RUN_SCRIPT_BOUNDARY
  NS_IMETHOD SendMouseEventCommon(
      const nsAString& aType, float aX, float aY, int32_t aButton,
      int32_t aClickCount, int32_t aModifiers, bool aIgnoreRootScrollFrame,
      float aPressure, unsigned short aInputSourceArg, uint32_t aIdentifier,
      bool aToWindow, bool* aPreventDefault, bool aIsDOMEventSynthesized,
      bool aIsWidgetEventSynthesized, int32_t aButtons);

  NS_IMETHOD SendTouchEventCommon(const nsAString& aType,
                                  uint32_t* aIdentifiers, int32_t* aXs,
                                  int32_t* aYs, uint32_t* aRxs, uint32_t* aRys,
                                  float* aRotationAngles, float* aForces,
                                  uint32_t aCount, int32_t aModifiers,
                                  bool aIgnoreRootScrollFrame, bool aToWindow,
                                  bool* aPreventDefault);
};

#endif