nsDOMWindowUtils.h

Enable keyboard shortcuts

/* -*- 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"

#include "mozilla/Result.h"

class nsGlobalWindowOuter;

class nsIDocShell;

class nsIWidget;

class nsPresContext;

class nsView;

struct nsPoint;

namespace mozilla {

class PresShell;

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() = default;

  nsTArray<nsCOMPtr<nsINode> > mNodes;

  nsTArray<bool> mNodeIsRoot;

  uint32_t mLength;

};

class nsDOMWindowUtils final : public nsIDOMWindowUtils,

                               public nsSupportsWeakReference {

  using TextEventDispatcher = mozilla::widget::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);

  nsIDocShell* GetDocShell();

  mozilla::PresShell* GetPresShell();

  nsPresContext* GetPresContext();

  mozilla::dom::Document* GetDocument();

  mozilla::layers::WebRenderBridgeChild* GetWebRenderBridge();

  mozilla::layers::CompositorBridgeChild* GetCompositorBridge();

  // Until callers are annotated.

  MOZ_CAN_RUN_SCRIPT

  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);

  MOZ_CAN_RUN_SCRIPT

  nsresult SendTouchEventCommon(

      const nsAString& aType, const nsTArray<uint32_t>& aIdentifiers,

      const nsTArray<int32_t>& aXs, const nsTArray<int32_t>& aYs,

      const nsTArray<uint32_t>& aRxs, const nsTArray<uint32_t>& aRys,

      const nsTArray<float>& aRotationAngles, const nsTArray<float>& aForces,

      const nsTArray<int32_t>& aTiltXs, const nsTArray<int32_t>& aTiltYs,

      const nsTArray<int32_t>& aTwists, int32_t aModifiers,

      bool aIgnoreRootScrollFrame, bool aIsPen, bool aToWindow,

      bool* aPreventDefault);

  void ReportErrorMessageForWindow(const nsAString& aErrorMessage,

                                   const char* aClassification,

                                   bool aFromChrome);

 private:

  enum class CoordsType {

    Screen,

    TopLevelWidget,

};

  mozilla::Result<mozilla::LayoutDeviceRect, nsresult> ConvertTo(

      float aX, float aY, float aWidth, float aHeight, CoordsType);

};

#endif