1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/layout/forms/nsImageControlFrame.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,206 @@
1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +#include "nsImageFrame.h"
1.9 +#include "nsIFormControlFrame.h"
1.10 +#include "nsPresContext.h"
1.11 +#include "nsGkAtoms.h"
1.12 +#include "nsStyleConsts.h"
1.13 +#include "nsFormControlFrame.h"
1.14 +#include "nsLayoutUtils.h"
1.15 +#include "mozilla/MouseEvents.h"
1.16 +
1.17 +using namespace mozilla;
1.18 +
1.19 +typedef nsImageFrame nsImageControlFrameSuper;
1.20 +class nsImageControlFrame : public nsImageControlFrameSuper,
1.21 + public nsIFormControlFrame
1.22 +{
1.23 +public:
1.24 + nsImageControlFrame(nsStyleContext* aContext);
1.25 + ~nsImageControlFrame();
1.26 +
1.27 + virtual void DestroyFrom(nsIFrame* aDestructRoot) MOZ_OVERRIDE;
1.28 + virtual void Init(nsIContent* aContent,
1.29 + nsIFrame* aParent,
1.30 + nsIFrame* aPrevInFlow) MOZ_OVERRIDE;
1.31 +
1.32 + NS_DECL_QUERYFRAME
1.33 + NS_DECL_FRAMEARENA_HELPERS
1.34 +
1.35 + virtual nsresult Reflow(nsPresContext* aPresContext,
1.36 + nsHTMLReflowMetrics& aDesiredSize,
1.37 + const nsHTMLReflowState& aReflowState,
1.38 + nsReflowStatus& aStatus) MOZ_OVERRIDE;
1.39 +
1.40 + virtual nsresult HandleEvent(nsPresContext* aPresContext,
1.41 + WidgetGUIEvent* aEvent,
1.42 + nsEventStatus* aEventStatus) MOZ_OVERRIDE;
1.43 +
1.44 + virtual nsIAtom* GetType() const MOZ_OVERRIDE;
1.45 +
1.46 +#ifdef ACCESSIBILITY
1.47 + virtual mozilla::a11y::AccType AccessibleType() MOZ_OVERRIDE;
1.48 +#endif
1.49 +
1.50 +#ifdef DEBUG_FRAME_DUMP
1.51 + virtual nsresult GetFrameName(nsAString& aResult) const MOZ_OVERRIDE {
1.52 + return MakeFrameName(NS_LITERAL_STRING("ImageControl"), aResult);
1.53 + }
1.54 +#endif
1.55 +
1.56 + virtual nsresult GetCursor(const nsPoint& aPoint,
1.57 + nsIFrame::Cursor& aCursor) MOZ_OVERRIDE;
1.58 + // nsIFormContromFrame
1.59 + virtual void SetFocus(bool aOn, bool aRepaint) MOZ_OVERRIDE;
1.60 + virtual nsresult SetFormProperty(nsIAtom* aName,
1.61 + const nsAString& aValue) MOZ_OVERRIDE;
1.62 +};
1.63 +
1.64 +
1.65 +nsImageControlFrame::nsImageControlFrame(nsStyleContext* aContext):
1.66 + nsImageControlFrameSuper(aContext)
1.67 +{
1.68 +}
1.69 +
1.70 +nsImageControlFrame::~nsImageControlFrame()
1.71 +{
1.72 +}
1.73 +
1.74 +void
1.75 +nsImageControlFrame::DestroyFrom(nsIFrame* aDestructRoot)
1.76 +{
1.77 + if (!GetPrevInFlow()) {
1.78 + nsFormControlFrame::RegUnRegAccessKey(this, false);
1.79 + }
1.80 + nsImageControlFrameSuper::DestroyFrom(aDestructRoot);
1.81 +}
1.82 +
1.83 +nsIFrame*
1.84 +NS_NewImageControlFrame(nsIPresShell* aPresShell, nsStyleContext* aContext)
1.85 +{
1.86 + return new (aPresShell) nsImageControlFrame(aContext);
1.87 +}
1.88 +
1.89 +NS_IMPL_FRAMEARENA_HELPERS(nsImageControlFrame)
1.90 +
1.91 +void
1.92 +nsImageControlFrame::Init(nsIContent* aContent,
1.93 + nsIFrame* aParent,
1.94 + nsIFrame* aPrevInFlow)
1.95 +{
1.96 + nsImageControlFrameSuper::Init(aContent, aParent, aPrevInFlow);
1.97 +
1.98 + if (aPrevInFlow) {
1.99 + return;
1.100 + }
1.101 +
1.102 + mContent->SetProperty(nsGkAtoms::imageClickedPoint,
1.103 + new nsIntPoint(0, 0),
1.104 + nsINode::DeleteProperty<nsIntPoint>);
1.105 +}
1.106 +
1.107 +NS_QUERYFRAME_HEAD(nsImageControlFrame)
1.108 + NS_QUERYFRAME_ENTRY(nsIFormControlFrame)
1.109 +NS_QUERYFRAME_TAIL_INHERITING(nsImageControlFrameSuper)
1.110 +
1.111 +#ifdef ACCESSIBILITY
1.112 +a11y::AccType
1.113 +nsImageControlFrame::AccessibleType()
1.114 +{
1.115 + if (mContent->Tag() == nsGkAtoms::button ||
1.116 + mContent->Tag() == nsGkAtoms::input) {
1.117 + return a11y::eHTMLButtonType;
1.118 + }
1.119 +
1.120 + return a11y::eNoType;
1.121 +}
1.122 +#endif
1.123 +
1.124 +nsIAtom*
1.125 +nsImageControlFrame::GetType() const
1.126 +{
1.127 + return nsGkAtoms::imageControlFrame;
1.128 +}
1.129 +
1.130 +nsresult
1.131 +nsImageControlFrame::Reflow(nsPresContext* aPresContext,
1.132 + nsHTMLReflowMetrics& aDesiredSize,
1.133 + const nsHTMLReflowState& aReflowState,
1.134 + nsReflowStatus& aStatus)
1.135 +{
1.136 + DO_GLOBAL_REFLOW_COUNT("nsImageControlFrame");
1.137 + DISPLAY_REFLOW(aPresContext, this, aReflowState, aDesiredSize, aStatus);
1.138 + if (!GetPrevInFlow() && (mState & NS_FRAME_FIRST_REFLOW)) {
1.139 + nsFormControlFrame::RegUnRegAccessKey(this, true);
1.140 + }
1.141 + return nsImageControlFrameSuper::Reflow(aPresContext, aDesiredSize, aReflowState, aStatus);
1.142 +}
1.143 +
1.144 +nsresult
1.145 +nsImageControlFrame::HandleEvent(nsPresContext* aPresContext,
1.146 + WidgetGUIEvent* aEvent,
1.147 + nsEventStatus* aEventStatus)
1.148 +{
1.149 + NS_ENSURE_ARG_POINTER(aEventStatus);
1.150 +
1.151 + // Don't do anything if the event has already been handled by someone
1.152 + if (nsEventStatus_eConsumeNoDefault == *aEventStatus) {
1.153 + return NS_OK;
1.154 + }
1.155 +
1.156 + // do we have user-input style?
1.157 + const nsStyleUserInterface* uiStyle = StyleUserInterface();
1.158 + if (uiStyle->mUserInput == NS_STYLE_USER_INPUT_NONE || uiStyle->mUserInput == NS_STYLE_USER_INPUT_DISABLED)
1.159 + return nsFrame::HandleEvent(aPresContext, aEvent, aEventStatus);
1.160 +
1.161 + if (mContent->HasAttr(kNameSpaceID_None, nsGkAtoms::disabled)) { // XXX cache disabled
1.162 + return NS_OK;
1.163 + }
1.164 +
1.165 + *aEventStatus = nsEventStatus_eIgnore;
1.166 +
1.167 + if (aEvent->message == NS_MOUSE_BUTTON_UP &&
1.168 + aEvent->AsMouseEvent()->button == WidgetMouseEvent::eLeftButton) {
1.169 + // Store click point for HTMLInputElement::SubmitNamesValues
1.170 + // Do this on MouseUp because the specs don't say and that's what IE does
1.171 + nsIntPoint* lastClickPoint =
1.172 + static_cast<nsIntPoint*>
1.173 + (mContent->GetProperty(nsGkAtoms::imageClickedPoint));
1.174 + if (lastClickPoint) {
1.175 + // normally lastClickedPoint is not null, as it's allocated in Init()
1.176 + nsPoint pt = nsLayoutUtils::GetEventCoordinatesRelativeTo(aEvent, this);
1.177 + TranslateEventCoords(pt, *lastClickPoint);
1.178 + }
1.179 + }
1.180 + return nsImageControlFrameSuper::HandleEvent(aPresContext, aEvent,
1.181 + aEventStatus);
1.182 +}
1.183 +
1.184 +void
1.185 +nsImageControlFrame::SetFocus(bool aOn, bool aRepaint)
1.186 +{
1.187 +}
1.188 +
1.189 +nsresult
1.190 +nsImageControlFrame::GetCursor(const nsPoint& aPoint,
1.191 + nsIFrame::Cursor& aCursor)
1.192 +{
1.193 + // Use style defined cursor if one is provided, otherwise when
1.194 + // the cursor style is "auto" we use the pointer cursor.
1.195 + FillCursorInformationFromStyle(StyleUserInterface(), aCursor);
1.196 +
1.197 + if (NS_STYLE_CURSOR_AUTO == aCursor.mCursor) {
1.198 + aCursor.mCursor = NS_STYLE_CURSOR_POINTER;
1.199 + }
1.200 +
1.201 + return NS_OK;
1.202 +}
1.203 +
1.204 +nsresult
1.205 +nsImageControlFrame::SetFormProperty(nsIAtom* aName,
1.206 + const nsAString& aValue)
1.207 +{
1.208 + return NS_OK;
1.209 +}
