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/* -*- 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 "mozilla/BasicEvents.h"
#include "mozilla/Result.h"
#include "nsIDOMWindowUtils.h"
#include "nsWeakReference.h"
class nsGlobalWindowOuter;
class nsIDocShell;
class nsIWidget;
class nsPresContext;
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 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,
nsPoint* aOffset = nullptr);
nsIDocShell* GetDocShell();
mozilla::PresShell* GetPresShell();
nsPresContext* GetPresContext();
mozilla::dom::Document* GetDocument();
mozilla::layers::WebRenderBridgeChild* GetWebRenderBridge();
mozilla::layers::CompositorBridgeChild* GetCompositorBridge();
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
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