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