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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
#include "nsImageFrame.h"
#include "mozilla/MouseEvents.h"
#include "mozilla/PresShell.h"
#include "nsPresContext.h"
#include "nsGkAtoms.h"
#include "nsStyleConsts.h"
#include "nsLayoutUtils.h"
#include "nsIContent.h"
using namespace mozilla;
class nsImageControlFrame final : public nsImageFrame {
public:
explicit nsImageControlFrame(ComputedStyle* aStyle,
nsPresContext* aPresContext);
~nsImageControlFrame() final;
void Init(nsIContent* aContent, nsContainerFrame* aParent,
nsIFrame* aPrevInFlow) final;
NS_DECL_QUERYFRAME
NS_DECL_FRAMEARENA_HELPERS(nsImageControlFrame)
void Reflow(nsPresContext*, ReflowOutput&, const ReflowInput&,
nsReflowStatus&) final;
nsresult HandleEvent(nsPresContext*, WidgetGUIEvent*, nsEventStatus*) final;
#ifdef ACCESSIBILITY
mozilla::a11y::AccType AccessibleType() final;
#endif
#ifdef DEBUG_FRAME_DUMP
nsresult GetFrameName(nsAString& aResult) const final {
return MakeFrameName(u"ImageControl"_ns, aResult);
}
#endif
Cursor GetCursor(const nsPoint&) final;
};
nsImageControlFrame::nsImageControlFrame(ComputedStyle* aStyle,
nsPresContext* aPresContext)
: nsImageFrame(aStyle, aPresContext, kClassID) {}
nsImageControlFrame::~nsImageControlFrame() = default;
nsIFrame* NS_NewImageControlFrame(PresShell* aPresShell,
ComputedStyle* aStyle) {
return new (aPresShell)
nsImageControlFrame(aStyle, aPresShell->GetPresContext());
}
NS_IMPL_FRAMEARENA_HELPERS(nsImageControlFrame)
void nsImageControlFrame::Init(nsIContent* aContent, nsContainerFrame* aParent,
nsIFrame* aPrevInFlow) {
nsImageFrame::Init(aContent, aParent, aPrevInFlow);
if (aPrevInFlow) {
return;
}
mContent->SetProperty(nsGkAtoms::imageClickedPoint, new CSSIntPoint(0, 0),
nsINode::DeleteProperty<CSSIntPoint>);
}
NS_QUERYFRAME_HEAD(nsImageControlFrame)
NS_QUERYFRAME_TAIL_INHERITING(nsImageFrame)
#ifdef ACCESSIBILITY
a11y::AccType nsImageControlFrame::AccessibleType() {
if (mContent->IsAnyOfHTMLElements(nsGkAtoms::button, nsGkAtoms::input)) {
return a11y::eHTMLButtonType;
}
return a11y::eNoType;
}
#endif
void nsImageControlFrame::Reflow(nsPresContext* aPresContext,
ReflowOutput& aDesiredSize,
const ReflowInput& aReflowInput,
nsReflowStatus& aStatus) {
DO_GLOBAL_REFLOW_COUNT("nsImageControlFrame");
MOZ_ASSERT(aStatus.IsEmpty(), "Caller should pass a fresh reflow status!");
return nsImageFrame::Reflow(aPresContext, aDesiredSize, aReflowInput,
aStatus);
}
nsresult nsImageControlFrame::HandleEvent(nsPresContext* aPresContext,
WidgetGUIEvent* aEvent,
nsEventStatus* aEventStatus) {
NS_ENSURE_ARG_POINTER(aEventStatus);
// Don't do anything if the event has already been handled by someone
if (nsEventStatus_eConsumeNoDefault == *aEventStatus) {
return NS_OK;
}
if (IsContentDisabled()) {
return nsIFrame::HandleEvent(aPresContext, aEvent, aEventStatus);
}
*aEventStatus = nsEventStatus_eIgnore;
if (aEvent->mMessage == eMouseUp &&
aEvent->AsMouseEvent()->mButton == MouseButton::ePrimary) {
// Store click point for HTMLInputElement::SubmitNamesValues
// Do this on MouseUp because the specs don't say and that's what IE does
auto* lastClickedPoint = static_cast<CSSIntPoint*>(
mContent->GetProperty(nsGkAtoms::imageClickedPoint));
if (lastClickedPoint) {
// normally lastClickedPoint is not null, as it's allocated in Init()
nsPoint pt = nsLayoutUtils::GetEventCoordinatesRelativeTo(
aEvent, RelativeTo{this});
*lastClickedPoint = TranslateEventCoords(pt);
}
}
return nsImageFrame::HandleEvent(aPresContext, aEvent, aEventStatus);
}
nsIFrame::Cursor nsImageControlFrame::GetCursor(const nsPoint&) {
StyleCursorKind kind = StyleUI()->Cursor().keyword;
if (kind == StyleCursorKind::Auto) {
kind = StyleCursorKind::Pointer;
}
return Cursor{kind, AllowCustomCursorImage::Yes};
}