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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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/. */
#include "nsImageFrame.h"
#include "nsIFormControlFrame.h"
#include "nsPresContext.h"
#include "nsGkAtoms.h"
#include "nsStyleConsts.h"
#include "nsFormControlFrame.h"
#include "nsLayoutUtils.h"
#include "mozilla/MouseEvents.h"
#include "nsIContent.h"
using namespace mozilla;
class nsImageControlFrame : public nsImageFrame,
public nsIFormControlFrame
{
public:
explicit nsImageControlFrame(nsStyleContext* aContext);
~nsImageControlFrame();
virtual void DestroyFrom(nsIFrame* aDestructRoot) override;
virtual void Init(nsIContent* aContent,
nsContainerFrame* aParent,
nsIFrame* aPrevInFlow) override;
NS_DECL_QUERYFRAME
NS_DECL_FRAMEARENA_HELPERS
virtual void Reflow(nsPresContext* aPresContext,
ReflowOutput& aDesiredSize,
const ReflowInput& aReflowInput,
nsReflowStatus& aStatus) override;
virtual nsresult HandleEvent(nsPresContext* aPresContext,
WidgetGUIEvent* aEvent,
nsEventStatus* aEventStatus) override;
virtual nsIAtom* GetType() const override;
#ifdef ACCESSIBILITY
virtual mozilla::a11y::AccType AccessibleType() override;
#endif
#ifdef DEBUG_FRAME_DUMP
virtual nsresult GetFrameName(nsAString& aResult) const override {
return MakeFrameName(NS_LITERAL_STRING("ImageControl"), aResult);
}
#endif
virtual nsresult GetCursor(const nsPoint& aPoint,
nsIFrame::Cursor& aCursor) override;
// nsIFormContromFrame
virtual void SetFocus(bool aOn, bool aRepaint) override;
virtual nsresult SetFormProperty(nsIAtom* aName,
const nsAString& aValue) override;
};
nsImageControlFrame::nsImageControlFrame(nsStyleContext* aContext)
: nsImageFrame(aContext)
{
}
nsImageControlFrame::~nsImageControlFrame()
{
}
void
nsImageControlFrame::DestroyFrom(nsIFrame* aDestructRoot)
{
if (!GetPrevInFlow()) {
nsFormControlFrame::RegUnRegAccessKey(this, false);
}
nsImageFrame::DestroyFrom(aDestructRoot);
}
nsIFrame*
NS_NewImageControlFrame(nsIPresShell* aPresShell, nsStyleContext* aContext)
{
return new (aPresShell) nsImageControlFrame(aContext);
}
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 nsIntPoint(0, 0),
nsINode::DeleteProperty<nsIntPoint>);
}
NS_QUERYFRAME_HEAD(nsImageControlFrame)
NS_QUERYFRAME_ENTRY(nsIFormControlFrame)
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
nsIAtom*
nsImageControlFrame::GetType() const
{
return nsGkAtoms::imageControlFrame;
}
void
nsImageControlFrame::Reflow(nsPresContext* aPresContext,
ReflowOutput& aDesiredSize,
const ReflowInput& aReflowInput,
nsReflowStatus& aStatus)
{
DO_GLOBAL_REFLOW_COUNT("nsImageControlFrame");
DISPLAY_REFLOW(aPresContext, this, aReflowInput, aDesiredSize, aStatus);
if (!GetPrevInFlow() && (mState & NS_FRAME_FIRST_REFLOW)) {
nsFormControlFrame::RegUnRegAccessKey(this, true);
}
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 nsFrame::HandleEvent(aPresContext, aEvent, aEventStatus);
}
*aEventStatus = nsEventStatus_eIgnore;
if (aEvent->mMessage == eMouseUp &&
aEvent->AsMouseEvent()->button == WidgetMouseEvent::eLeftButton) {
// Store click point for HTMLInputElement::SubmitNamesValues
// Do this on MouseUp because the specs don't say and that's what IE does
nsIntPoint* lastClickPoint =
static_cast<nsIntPoint*>
(mContent->GetProperty(nsGkAtoms::imageClickedPoint));
if (lastClickPoint) {
// normally lastClickedPoint is not null, as it's allocated in Init()
nsPoint pt = nsLayoutUtils::GetEventCoordinatesRelativeTo(aEvent, this);
TranslateEventCoords(pt, *lastClickPoint);
}
}
return nsImageFrame::HandleEvent(aPresContext, aEvent, aEventStatus);
}
void
nsImageControlFrame::SetFocus(bool aOn, bool aRepaint)
{
}
nsresult
nsImageControlFrame::GetCursor(const nsPoint& aPoint,
nsIFrame::Cursor& aCursor)
{
// Use style defined cursor if one is provided, otherwise when
// the cursor style is "auto" we use the pointer cursor.
FillCursorInformationFromStyle(StyleUserInterface(), aCursor);
if (NS_STYLE_CURSOR_AUTO == aCursor.mCursor) {
aCursor.mCursor = NS_STYLE_CURSOR_POINTER;
}
return NS_OK;
}
nsresult
nsImageControlFrame::SetFormProperty(nsIAtom* aName,
const nsAString& aValue)
{
return NS_OK;
}
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