mirror of
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207 lines
6.4 KiB
C++
207 lines
6.4 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsImageFrame.h"
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#include "nsIFormControlFrame.h"
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#include "nsPresContext.h"
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#include "nsGkAtoms.h"
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#include "nsStyleConsts.h"
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#include "nsFormControlFrame.h"
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#include "nsLayoutUtils.h"
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#include "mozilla/MouseEvents.h"
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using namespace mozilla;
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typedef nsImageFrame nsImageControlFrameSuper;
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class nsImageControlFrame : public nsImageControlFrameSuper,
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public nsIFormControlFrame
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{
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public:
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nsImageControlFrame(nsStyleContext* aContext);
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~nsImageControlFrame();
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virtual void DestroyFrom(nsIFrame* aDestructRoot) MOZ_OVERRIDE;
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virtual void Init(nsIContent* aContent,
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nsIFrame* aParent,
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nsIFrame* aPrevInFlow) MOZ_OVERRIDE;
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NS_DECL_QUERYFRAME
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NS_DECL_FRAMEARENA_HELPERS
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virtual nsresult Reflow(nsPresContext* aPresContext,
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nsHTMLReflowMetrics& aDesiredSize,
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const nsHTMLReflowState& aReflowState,
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nsReflowStatus& aStatus) MOZ_OVERRIDE;
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virtual nsresult HandleEvent(nsPresContext* aPresContext,
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WidgetGUIEvent* aEvent,
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nsEventStatus* aEventStatus) MOZ_OVERRIDE;
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virtual nsIAtom* GetType() const MOZ_OVERRIDE;
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#ifdef ACCESSIBILITY
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virtual mozilla::a11y::AccType AccessibleType() MOZ_OVERRIDE;
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#endif
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#ifdef DEBUG_FRAME_DUMP
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virtual nsresult GetFrameName(nsAString& aResult) const MOZ_OVERRIDE {
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return MakeFrameName(NS_LITERAL_STRING("ImageControl"), aResult);
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}
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#endif
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virtual nsresult GetCursor(const nsPoint& aPoint,
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nsIFrame::Cursor& aCursor) MOZ_OVERRIDE;
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// nsIFormContromFrame
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virtual void SetFocus(bool aOn, bool aRepaint) MOZ_OVERRIDE;
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virtual nsresult SetFormProperty(nsIAtom* aName,
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const nsAString& aValue) MOZ_OVERRIDE;
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};
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nsImageControlFrame::nsImageControlFrame(nsStyleContext* aContext):
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nsImageControlFrameSuper(aContext)
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{
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}
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nsImageControlFrame::~nsImageControlFrame()
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{
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}
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void
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nsImageControlFrame::DestroyFrom(nsIFrame* aDestructRoot)
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{
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if (!GetPrevInFlow()) {
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nsFormControlFrame::RegUnRegAccessKey(this, false);
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}
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nsImageControlFrameSuper::DestroyFrom(aDestructRoot);
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}
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nsIFrame*
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NS_NewImageControlFrame(nsIPresShell* aPresShell, nsStyleContext* aContext)
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{
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return new (aPresShell) nsImageControlFrame(aContext);
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}
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NS_IMPL_FRAMEARENA_HELPERS(nsImageControlFrame)
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void
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nsImageControlFrame::Init(nsIContent* aContent,
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nsIFrame* aParent,
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nsIFrame* aPrevInFlow)
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{
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nsImageControlFrameSuper::Init(aContent, aParent, aPrevInFlow);
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if (aPrevInFlow) {
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return;
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}
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mContent->SetProperty(nsGkAtoms::imageClickedPoint,
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new nsIntPoint(0, 0),
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nsINode::DeleteProperty<nsIntPoint>);
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}
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NS_QUERYFRAME_HEAD(nsImageControlFrame)
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NS_QUERYFRAME_ENTRY(nsIFormControlFrame)
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NS_QUERYFRAME_TAIL_INHERITING(nsImageControlFrameSuper)
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#ifdef ACCESSIBILITY
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a11y::AccType
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nsImageControlFrame::AccessibleType()
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{
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if (mContent->Tag() == nsGkAtoms::button ||
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mContent->Tag() == nsGkAtoms::input) {
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return a11y::eHTMLButtonType;
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}
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return a11y::eNoType;
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}
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#endif
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nsIAtom*
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nsImageControlFrame::GetType() const
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{
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return nsGkAtoms::imageControlFrame;
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}
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nsresult
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nsImageControlFrame::Reflow(nsPresContext* aPresContext,
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nsHTMLReflowMetrics& aDesiredSize,
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const nsHTMLReflowState& aReflowState,
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nsReflowStatus& aStatus)
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{
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DO_GLOBAL_REFLOW_COUNT("nsImageControlFrame");
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DISPLAY_REFLOW(aPresContext, this, aReflowState, aDesiredSize, aStatus);
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if (!GetPrevInFlow() && (mState & NS_FRAME_FIRST_REFLOW)) {
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nsFormControlFrame::RegUnRegAccessKey(this, true);
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}
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return nsImageControlFrameSuper::Reflow(aPresContext, aDesiredSize, aReflowState, aStatus);
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}
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nsresult
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nsImageControlFrame::HandleEvent(nsPresContext* aPresContext,
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WidgetGUIEvent* aEvent,
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nsEventStatus* aEventStatus)
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{
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NS_ENSURE_ARG_POINTER(aEventStatus);
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// Don't do anything if the event has already been handled by someone
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if (nsEventStatus_eConsumeNoDefault == *aEventStatus) {
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return NS_OK;
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}
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// do we have user-input style?
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const nsStyleUserInterface* uiStyle = StyleUserInterface();
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if (uiStyle->mUserInput == NS_STYLE_USER_INPUT_NONE || uiStyle->mUserInput == NS_STYLE_USER_INPUT_DISABLED)
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return nsFrame::HandleEvent(aPresContext, aEvent, aEventStatus);
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if (mContent->HasAttr(kNameSpaceID_None, nsGkAtoms::disabled)) { // XXX cache disabled
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return NS_OK;
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}
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*aEventStatus = nsEventStatus_eIgnore;
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if (aEvent->message == NS_MOUSE_BUTTON_UP &&
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aEvent->AsMouseEvent()->button == WidgetMouseEvent::eLeftButton) {
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// Store click point for HTMLInputElement::SubmitNamesValues
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// Do this on MouseUp because the specs don't say and that's what IE does
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nsIntPoint* lastClickPoint =
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static_cast<nsIntPoint*>
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(mContent->GetProperty(nsGkAtoms::imageClickedPoint));
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if (lastClickPoint) {
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// normally lastClickedPoint is not null, as it's allocated in Init()
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nsPoint pt = nsLayoutUtils::GetEventCoordinatesRelativeTo(aEvent, this);
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TranslateEventCoords(pt, *lastClickPoint);
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}
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}
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return nsImageControlFrameSuper::HandleEvent(aPresContext, aEvent,
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aEventStatus);
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}
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void
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nsImageControlFrame::SetFocus(bool aOn, bool aRepaint)
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{
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}
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nsresult
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nsImageControlFrame::GetCursor(const nsPoint& aPoint,
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nsIFrame::Cursor& aCursor)
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{
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// Use style defined cursor if one is provided, otherwise when
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// the cursor style is "auto" we use the pointer cursor.
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FillCursorInformationFromStyle(StyleUserInterface(), aCursor);
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if (NS_STYLE_CURSOR_AUTO == aCursor.mCursor) {
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aCursor.mCursor = NS_STYLE_CURSOR_POINTER;
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}
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return NS_OK;
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}
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nsresult
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nsImageControlFrame::SetFormProperty(nsIAtom* aName,
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const nsAString& aValue)
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{
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return NS_OK;
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}
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