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comparison: layout/forms/nsImageControlFrame.cpp
layout/forms/nsImageControlFrame.cpp
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| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 #include "nsImageFrame.h" | |
| 6 #include "nsIFormControlFrame.h" | |
| 7 #include "nsPresContext.h" | |
| 8 #include "nsGkAtoms.h" | |
| 9 #include "nsStyleConsts.h" | |
| 10 #include "nsFormControlFrame.h" | |
| 11 #include "nsLayoutUtils.h" | |
| 12 #include "mozilla/MouseEvents.h" | |
| 13 | |
| 14 using namespace mozilla; | |
| 15 | |
| 16 typedef nsImageFrame nsImageControlFrameSuper; | |
| 17 class nsImageControlFrame : public nsImageControlFrameSuper, | |
| 18 public nsIFormControlFrame | |
| 19 { | |
| 20 public: | |
| 21 nsImageControlFrame(nsStyleContext* aContext); | |
| 22 ~nsImageControlFrame(); | |
| 23 | |
| 24 virtual void DestroyFrom(nsIFrame* aDestructRoot) MOZ_OVERRIDE; | |
| 25 virtual void Init(nsIContent* aContent, | |
| 26 nsIFrame* aParent, | |
| 27 nsIFrame* aPrevInFlow) MOZ_OVERRIDE; | |
| 28 | |
| 29 NS_DECL_QUERYFRAME | |
| 30 NS_DECL_FRAMEARENA_HELPERS | |
| 31 | |
| 32 virtual nsresult Reflow(nsPresContext* aPresContext, | |
| 33 nsHTMLReflowMetrics& aDesiredSize, | |
| 34 const nsHTMLReflowState& aReflowState, | |
| 35 nsReflowStatus& aStatus) MOZ_OVERRIDE; | |
| 36 | |
| 37 virtual nsresult HandleEvent(nsPresContext* aPresContext, | |
| 38 WidgetGUIEvent* aEvent, | |
| 39 nsEventStatus* aEventStatus) MOZ_OVERRIDE; | |
| 40 | |
| 41 virtual nsIAtom* GetType() const MOZ_OVERRIDE; | |
| 42 | |
| 43 #ifdef ACCESSIBILITY | |
| 44 virtual mozilla::a11y::AccType AccessibleType() MOZ_OVERRIDE; | |
| 45 #endif | |
| 46 | |
| 47 #ifdef DEBUG_FRAME_DUMP | |
| 48 virtual nsresult GetFrameName(nsAString& aResult) const MOZ_OVERRIDE { | |
| 49 return MakeFrameName(NS_LITERAL_STRING("ImageControl"), aResult); | |
| 50 } | |
| 51 #endif | |
| 52 | |
| 53 virtual nsresult GetCursor(const nsPoint& aPoint, | |
| 54 nsIFrame::Cursor& aCursor) MOZ_OVERRIDE; | |
| 55 // nsIFormContromFrame | |
| 56 virtual void SetFocus(bool aOn, bool aRepaint) MOZ_OVERRIDE; | |
| 57 virtual nsresult SetFormProperty(nsIAtom* aName, | |
| 58 const nsAString& aValue) MOZ_OVERRIDE; | |
| 59 }; | |
| 60 | |
| 61 | |
| 62 nsImageControlFrame::nsImageControlFrame(nsStyleContext* aContext): | |
| 63 nsImageControlFrameSuper(aContext) | |
| 64 { | |
| 65 } | |
| 66 | |
| 67 nsImageControlFrame::~nsImageControlFrame() | |
| 68 { | |
| 69 } | |
| 70 | |
| 71 void | |
| 72 nsImageControlFrame::DestroyFrom(nsIFrame* aDestructRoot) | |
| 73 { | |
| 74 if (!GetPrevInFlow()) { | |
| 75 nsFormControlFrame::RegUnRegAccessKey(this, false); | |
| 76 } | |
| 77 nsImageControlFrameSuper::DestroyFrom(aDestructRoot); | |
| 78 } | |
| 79 | |
| 80 nsIFrame* | |
| 81 NS_NewImageControlFrame(nsIPresShell* aPresShell, nsStyleContext* aContext) | |
| 82 { | |
| 83 return new (aPresShell) nsImageControlFrame(aContext); | |
| 84 } | |
| 85 | |
| 86 NS_IMPL_FRAMEARENA_HELPERS(nsImageControlFrame) | |
| 87 | |
| 88 void | |
| 89 nsImageControlFrame::Init(nsIContent* aContent, | |
| 90 nsIFrame* aParent, | |
| 91 nsIFrame* aPrevInFlow) | |
| 92 { | |
| 93 nsImageControlFrameSuper::Init(aContent, aParent, aPrevInFlow); | |
| 94 | |
| 95 if (aPrevInFlow) { | |
| 96 return; | |
| 97 } | |
| 98 | |
| 99 mContent->SetProperty(nsGkAtoms::imageClickedPoint, | |
| 100 new nsIntPoint(0, 0), | |
| 101 nsINode::DeleteProperty<nsIntPoint>); | |
| 102 } | |
| 103 | |
| 104 NS_QUERYFRAME_HEAD(nsImageControlFrame) | |
| 105 NS_QUERYFRAME_ENTRY(nsIFormControlFrame) | |
| 106 NS_QUERYFRAME_TAIL_INHERITING(nsImageControlFrameSuper) | |
| 107 | |
| 108 #ifdef ACCESSIBILITY | |
| 109 a11y::AccType | |
| 110 nsImageControlFrame::AccessibleType() | |
| 111 { | |
| 112 if (mContent->Tag() == nsGkAtoms::button || | |
| 113 mContent->Tag() == nsGkAtoms::input) { | |
| 114 return a11y::eHTMLButtonType; | |
| 115 } | |
| 116 | |
| 117 return a11y::eNoType; | |
| 118 } | |
| 119 #endif | |
| 120 | |
| 121 nsIAtom* | |
| 122 nsImageControlFrame::GetType() const | |
| 123 { | |
| 124 return nsGkAtoms::imageControlFrame; | |
| 125 } | |
| 126 | |
| 127 nsresult | |
| 128 nsImageControlFrame::Reflow(nsPresContext* aPresContext, | |
| 129 nsHTMLReflowMetrics& aDesiredSize, | |
| 130 const nsHTMLReflowState& aReflowState, | |
| 131 nsReflowStatus& aStatus) | |
| 132 { | |
| 133 DO_GLOBAL_REFLOW_COUNT("nsImageControlFrame"); | |
| 134 DISPLAY_REFLOW(aPresContext, this, aReflowState, aDesiredSize, aStatus); | |
| 135 if (!GetPrevInFlow() && (mState & NS_FRAME_FIRST_REFLOW)) { | |
| 136 nsFormControlFrame::RegUnRegAccessKey(this, true); | |
| 137 } | |
| 138 return nsImageControlFrameSuper::Reflow(aPresContext, aDesiredSize, aReflowState, aStatus); | |
| 139 } | |
| 140 | |
| 141 nsresult | |
| 142 nsImageControlFrame::HandleEvent(nsPresContext* aPresContext, | |
| 143 WidgetGUIEvent* aEvent, | |
| 144 nsEventStatus* aEventStatus) | |
| 145 { | |
| 146 NS_ENSURE_ARG_POINTER(aEventStatus); | |
| 147 | |
| 148 // Don't do anything if the event has already been handled by someone | |
| 149 if (nsEventStatus_eConsumeNoDefault == *aEventStatus) { | |
| 150 return NS_OK; | |
| 151 } | |
| 152 | |
| 153 // do we have user-input style? | |
| 154 const nsStyleUserInterface* uiStyle = StyleUserInterface(); | |
| 155 if (uiStyle->mUserInput == NS_STYLE_USER_INPUT_NONE || uiStyle->mUserInput == NS_STYLE_USER_INPUT_DISABLED) | |
| 156 return nsFrame::HandleEvent(aPresContext, aEvent, aEventStatus); | |
| 157 | |
| 158 if (mContent->HasAttr(kNameSpaceID_None, nsGkAtoms::disabled)) { // XXX cache disabled | |
| 159 return NS_OK; | |
| 160 } | |
| 161 | |
| 162 *aEventStatus = nsEventStatus_eIgnore; | |
| 163 | |
| 164 if (aEvent->message == NS_MOUSE_BUTTON_UP && | |
| 165 aEvent->AsMouseEvent()->button == WidgetMouseEvent::eLeftButton) { | |
| 166 // Store click point for HTMLInputElement::SubmitNamesValues | |
| 167 // Do this on MouseUp because the specs don't say and that's what IE does | |
| 168 nsIntPoint* lastClickPoint = | |
| 169 static_cast<nsIntPoint*> | |
| 170 (mContent->GetProperty(nsGkAtoms::imageClickedPoint)); | |
| 171 if (lastClickPoint) { | |
| 172 // normally lastClickedPoint is not null, as it's allocated in Init() | |
| 173 nsPoint pt = nsLayoutUtils::GetEventCoordinatesRelativeTo(aEvent, this); | |
| 174 TranslateEventCoords(pt, *lastClickPoint); | |
| 175 } | |
| 176 } | |
| 177 return nsImageControlFrameSuper::HandleEvent(aPresContext, aEvent, | |
| 178 aEventStatus); | |
| 179 } | |
| 180 | |
| 181 void | |
| 182 nsImageControlFrame::SetFocus(bool aOn, bool aRepaint) | |
| 183 { | |
| 184 } | |
| 185 | |
| 186 nsresult | |
| 187 nsImageControlFrame::GetCursor(const nsPoint& aPoint, | |
| 188 nsIFrame::Cursor& aCursor) | |
| 189 { | |
| 190 // Use style defined cursor if one is provided, otherwise when | |
| 191 // the cursor style is "auto" we use the pointer cursor. | |
| 192 FillCursorInformationFromStyle(StyleUserInterface(), aCursor); | |
| 193 | |
| 194 if (NS_STYLE_CURSOR_AUTO == aCursor.mCursor) { | |
| 195 aCursor.mCursor = NS_STYLE_CURSOR_POINTER; | |
| 196 } | |
| 197 | |
| 198 return NS_OK; | |
| 199 } | |
| 200 | |
| 201 nsresult | |
| 202 nsImageControlFrame::SetFormProperty(nsIAtom* aName, | |
| 203 const nsAString& aValue) | |
| 204 { | |
| 205 return NS_OK; | |
| 206 } |
