The Tor Browser / file comparison
comparison: layout/forms/nsFormControlFrame.cpp
layout/forms/nsFormControlFrame.cpp
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
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| -1:000000000000 | 0:417f68607435 |
|---|---|
| 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 | |
| 6 #include "nsFormControlFrame.h" | |
| 7 #include "nsGkAtoms.h" | |
| 8 #include "nsLayoutUtils.h" | |
| 9 #include "nsIDOMHTMLInputElement.h" | |
| 10 #include "mozilla/EventStateManager.h" | |
| 11 #include "mozilla/LookAndFeel.h" | |
| 12 #include "nsDeviceContext.h" | |
| 13 | |
| 14 using namespace mozilla; | |
| 15 | |
| 16 //#define FCF_NOISY | |
| 17 | |
| 18 nsFormControlFrame::nsFormControlFrame(nsStyleContext* aContext) : | |
| 19 nsLeafFrame(aContext) | |
| 20 { | |
| 21 } | |
| 22 | |
| 23 nsFormControlFrame::~nsFormControlFrame() | |
| 24 { | |
| 25 } | |
| 26 | |
| 27 nsIAtom* | |
| 28 nsFormControlFrame::GetType() const | |
| 29 { | |
| 30 return nsGkAtoms::formControlFrame; | |
| 31 } | |
| 32 | |
| 33 void | |
| 34 nsFormControlFrame::DestroyFrom(nsIFrame* aDestructRoot) | |
| 35 { | |
| 36 // Unregister the access key registered in reflow | |
| 37 nsFormControlFrame::RegUnRegAccessKey(static_cast<nsIFrame*>(this), false); | |
| 38 nsLeafFrame::DestroyFrom(aDestructRoot); | |
| 39 } | |
| 40 | |
| 41 NS_QUERYFRAME_HEAD(nsFormControlFrame) | |
| 42 NS_QUERYFRAME_ENTRY(nsIFormControlFrame) | |
| 43 NS_QUERYFRAME_TAIL_INHERITING(nsLeafFrame) | |
| 44 | |
| 45 NS_IMPL_FRAMEARENA_HELPERS(nsFormControlFrame) | |
| 46 | |
| 47 nscoord | |
| 48 nsFormControlFrame::GetIntrinsicWidth() | |
| 49 { | |
| 50 // Provide a reasonable default for sites that use an "auto" height. | |
| 51 // Note that if you change this, you should change the values in forms.css | |
| 52 // as well. This is the 13px default width minus the 2px default border. | |
| 53 return nsPresContext::CSSPixelsToAppUnits(13 - 2 * 2); | |
| 54 } | |
| 55 | |
| 56 nscoord | |
| 57 nsFormControlFrame::GetIntrinsicHeight() | |
| 58 { | |
| 59 // Provide a reasonable default for sites that use an "auto" height. | |
| 60 // Note that if you change this, you should change the values in forms.css | |
| 61 // as well. This is the 13px default width minus the 2px default border. | |
| 62 return nsPresContext::CSSPixelsToAppUnits(13 - 2 * 2); | |
| 63 } | |
| 64 | |
| 65 nscoord | |
| 66 nsFormControlFrame::GetBaseline() const | |
| 67 { | |
| 68 NS_ASSERTION(!NS_SUBTREE_DIRTY(this), | |
| 69 "frame must not be dirty"); | |
| 70 // Treat radio buttons and checkboxes as having an intrinsic baseline | |
| 71 // at the bottom of the control (use the bottom content edge rather | |
| 72 // than the bottom margin edge). | |
| 73 return mRect.height - GetUsedBorderAndPadding().bottom; | |
| 74 } | |
| 75 | |
| 76 nsresult | |
| 77 nsFormControlFrame::Reflow(nsPresContext* aPresContext, | |
| 78 nsHTMLReflowMetrics& aDesiredSize, | |
| 79 const nsHTMLReflowState& aReflowState, | |
| 80 nsReflowStatus& aStatus) | |
| 81 { | |
| 82 DO_GLOBAL_REFLOW_COUNT("nsFormControlFrame"); | |
| 83 DISPLAY_REFLOW(aPresContext, this, aReflowState, aDesiredSize, aStatus); | |
| 84 | |
| 85 if (mState & NS_FRAME_FIRST_REFLOW) { | |
| 86 RegUnRegAccessKey(static_cast<nsIFrame*>(this), true); | |
| 87 } | |
| 88 | |
| 89 nsresult rv = nsLeafFrame::Reflow(aPresContext, aDesiredSize, aReflowState, | |
| 90 aStatus); | |
| 91 if (NS_FAILED(rv)) { | |
| 92 return rv; | |
| 93 } | |
| 94 | |
| 95 if (nsLayoutUtils::FontSizeInflationEnabled(aPresContext)) { | |
| 96 float inflation = nsLayoutUtils::FontSizeInflationFor(this); | |
| 97 aDesiredSize.Width() *= inflation; | |
| 98 aDesiredSize.Height() *= inflation; | |
| 99 aDesiredSize.UnionOverflowAreasWithDesiredBounds(); | |
| 100 FinishAndStoreOverflow(&aDesiredSize); | |
| 101 } | |
| 102 return NS_OK; | |
| 103 } | |
| 104 | |
| 105 nsresult | |
| 106 nsFormControlFrame::RegUnRegAccessKey(nsIFrame * aFrame, bool aDoReg) | |
| 107 { | |
| 108 NS_ENSURE_ARG_POINTER(aFrame); | |
| 109 | |
| 110 nsPresContext* presContext = aFrame->PresContext(); | |
| 111 | |
| 112 NS_ASSERTION(presContext, "aPresContext is NULL in RegUnRegAccessKey!"); | |
| 113 | |
| 114 nsAutoString accessKey; | |
| 115 | |
| 116 nsIContent* content = aFrame->GetContent(); | |
| 117 content->GetAttr(kNameSpaceID_None, nsGkAtoms::accesskey, accessKey); | |
| 118 if (!accessKey.IsEmpty()) { | |
| 119 EventStateManager* stateManager = presContext->EventStateManager(); | |
| 120 if (aDoReg) { | |
| 121 stateManager->RegisterAccessKey(content, (uint32_t)accessKey.First()); | |
| 122 } else { | |
| 123 stateManager->UnregisterAccessKey(content, (uint32_t)accessKey.First()); | |
| 124 } | |
| 125 return NS_OK; | |
| 126 } | |
| 127 return NS_ERROR_FAILURE; | |
| 128 } | |
| 129 | |
| 130 void | |
| 131 nsFormControlFrame::SetFocus(bool aOn, bool aRepaint) | |
| 132 { | |
| 133 } | |
| 134 | |
| 135 nsresult | |
| 136 nsFormControlFrame::HandleEvent(nsPresContext* aPresContext, | |
| 137 WidgetGUIEvent* aEvent, | |
| 138 nsEventStatus* aEventStatus) | |
| 139 { | |
| 140 // Check for user-input:none style | |
| 141 const nsStyleUserInterface* uiStyle = StyleUserInterface(); | |
| 142 if (uiStyle->mUserInput == NS_STYLE_USER_INPUT_NONE || | |
| 143 uiStyle->mUserInput == NS_STYLE_USER_INPUT_DISABLED) | |
| 144 return nsFrame::HandleEvent(aPresContext, aEvent, aEventStatus); | |
| 145 | |
| 146 return NS_OK; | |
| 147 } | |
| 148 | |
| 149 void | |
| 150 nsFormControlFrame::GetCurrentCheckState(bool *aState) | |
| 151 { | |
| 152 nsCOMPtr<nsIDOMHTMLInputElement> inputElement = do_QueryInterface(mContent); | |
| 153 if (inputElement) { | |
| 154 inputElement->GetChecked(aState); | |
| 155 } | |
| 156 } | |
| 157 | |
| 158 nsresult | |
| 159 nsFormControlFrame::SetFormProperty(nsIAtom* aName, const nsAString& aValue) | |
| 160 { | |
| 161 return NS_OK; | |
| 162 } | |
| 163 | |
| 164 // static | |
| 165 nsRect | |
| 166 nsFormControlFrame::GetUsableScreenRect(nsPresContext* aPresContext) | |
| 167 { | |
| 168 nsRect screen; | |
| 169 | |
| 170 nsDeviceContext *context = aPresContext->DeviceContext(); | |
| 171 int32_t dropdownCanOverlapOSBar = | |
| 172 LookAndFeel::GetInt(LookAndFeel::eIntID_MenusCanOverlapOSBar, 0); | |
| 173 if ( dropdownCanOverlapOSBar ) | |
| 174 context->GetRect(screen); | |
| 175 else | |
| 176 context->GetClientRect(screen); | |
| 177 | |
| 178 return screen; | |
| 179 } |
