The Tor Browser / file comparison
comparison: widget/xpwidgets/nsNativeTheme.h
widget/xpwidgets/nsNativeTheme.h
- branch
- TOR_BUG_9701
- changeset 10
- ac0c01689b40
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| -1:000000000000 | 0:85f34e0474f1 |
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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 | |
| 6 // This defines a common base class for nsITheme implementations, to reduce | |
| 7 // code duplication. | |
| 8 | |
| 9 #include "nsAlgorithm.h" | |
| 10 #include "nsIAtom.h" | |
| 11 #include "nsCOMPtr.h" | |
| 12 #include "nsString.h" | |
| 13 #include "nsMargin.h" | |
| 14 #include "nsGkAtoms.h" | |
| 15 #include "nsTArray.h" | |
| 16 #include "nsITimer.h" | |
| 17 #include "nsIContent.h" | |
| 18 | |
| 19 class nsIFrame; | |
| 20 class nsIPresShell; | |
| 21 class nsPresContext; | |
| 22 | |
| 23 namespace mozilla { | |
| 24 class EventStates; | |
| 25 } // namespace mozilla | |
| 26 | |
| 27 class nsNativeTheme : public nsITimerCallback | |
| 28 { | |
| 29 protected: | |
| 30 | |
| 31 NS_DECL_ISUPPORTS | |
| 32 NS_DECL_NSITIMERCALLBACK | |
| 33 | |
| 34 enum ScrollbarButtonType { | |
| 35 eScrollbarButton_UpTop = 0, | |
| 36 eScrollbarButton_Down = 1 << 0, | |
| 37 eScrollbarButton_Bottom = 1 << 1 | |
| 38 }; | |
| 39 | |
| 40 enum TreeSortDirection { | |
| 41 eTreeSortDirection_Descending, | |
| 42 eTreeSortDirection_Natural, | |
| 43 eTreeSortDirection_Ascending | |
| 44 }; | |
| 45 | |
| 46 nsNativeTheme(); | |
| 47 virtual ~nsNativeTheme() {} | |
| 48 | |
| 49 // Returns the content state (hover, focus, etc), see EventStateManager.h | |
| 50 mozilla::EventStates GetContentState(nsIFrame* aFrame, uint8_t aWidgetType); | |
| 51 | |
| 52 // Returns whether the widget is already styled by content | |
| 53 // Normally called from ThemeSupportsWidget to turn off native theming | |
| 54 // for elements that are already styled. | |
| 55 bool IsWidgetStyled(nsPresContext* aPresContext, nsIFrame* aFrame, | |
| 56 uint8_t aWidgetType); | |
| 57 | |
| 58 // Accessors to widget-specific state information | |
| 59 | |
| 60 bool IsDisabled(nsIFrame* aFrame, mozilla::EventStates aEventStates); | |
| 61 | |
| 62 // RTL chrome direction | |
| 63 bool IsFrameRTL(nsIFrame* aFrame); | |
| 64 | |
| 65 bool IsHTMLContent(nsIFrame *aFrame); | |
| 66 | |
| 67 // button: | |
| 68 bool IsDefaultButton(nsIFrame* aFrame) { | |
| 69 return CheckBooleanAttr(aFrame, nsGkAtoms::_default); | |
| 70 } | |
| 71 | |
| 72 bool IsButtonTypeMenu(nsIFrame* aFrame); | |
| 73 | |
| 74 // checkbox: | |
| 75 bool IsChecked(nsIFrame* aFrame) { | |
| 76 return GetCheckedOrSelected(aFrame, false); | |
| 77 } | |
| 78 | |
| 79 // radiobutton: | |
| 80 bool IsSelected(nsIFrame* aFrame) { | |
| 81 return GetCheckedOrSelected(aFrame, true); | |
| 82 } | |
| 83 | |
| 84 bool IsFocused(nsIFrame* aFrame) { | |
| 85 return CheckBooleanAttr(aFrame, nsGkAtoms::focused); | |
| 86 } | |
| 87 | |
| 88 // scrollbar button: | |
| 89 int32_t GetScrollbarButtonType(nsIFrame* aFrame); | |
| 90 | |
| 91 // tab: | |
| 92 bool IsSelectedTab(nsIFrame* aFrame) { | |
| 93 return CheckBooleanAttr(aFrame, nsGkAtoms::selected); | |
| 94 } | |
| 95 | |
| 96 bool IsNextToSelectedTab(nsIFrame* aFrame, int32_t aOffset); | |
| 97 | |
| 98 bool IsBeforeSelectedTab(nsIFrame* aFrame) { | |
| 99 return IsNextToSelectedTab(aFrame, -1); | |
| 100 } | |
| 101 | |
| 102 bool IsAfterSelectedTab(nsIFrame* aFrame) { | |
| 103 return IsNextToSelectedTab(aFrame, 1); | |
| 104 } | |
| 105 | |
| 106 bool IsLeftToSelectedTab(nsIFrame* aFrame) { | |
| 107 return IsFrameRTL(aFrame) ? IsAfterSelectedTab(aFrame) : IsBeforeSelectedTab(aFrame); | |
| 108 } | |
| 109 | |
| 110 bool IsRightToSelectedTab(nsIFrame* aFrame) { | |
| 111 return IsFrameRTL(aFrame) ? IsBeforeSelectedTab(aFrame) : IsAfterSelectedTab(aFrame); | |
| 112 } | |
| 113 | |
| 114 // button / toolbarbutton: | |
| 115 bool IsCheckedButton(nsIFrame* aFrame) { | |
| 116 return CheckBooleanAttr(aFrame, nsGkAtoms::checked); | |
| 117 } | |
| 118 | |
| 119 bool IsSelectedButton(nsIFrame* aFrame) { | |
| 120 return CheckBooleanAttr(aFrame, nsGkAtoms::checked) || | |
| 121 CheckBooleanAttr(aFrame, nsGkAtoms::selected); | |
| 122 } | |
| 123 | |
| 124 bool IsOpenButton(nsIFrame* aFrame) { | |
| 125 return CheckBooleanAttr(aFrame, nsGkAtoms::open); | |
| 126 } | |
| 127 | |
| 128 bool IsPressedButton(nsIFrame* aFrame); | |
| 129 | |
| 130 // treeheadercell: | |
| 131 TreeSortDirection GetTreeSortDirection(nsIFrame* aFrame); | |
| 132 bool IsLastTreeHeaderCell(nsIFrame* aFrame); | |
| 133 | |
| 134 // tab: | |
| 135 bool IsBottomTab(nsIFrame* aFrame); | |
| 136 bool IsFirstTab(nsIFrame* aFrame); | |
| 137 | |
| 138 bool IsHorizontal(nsIFrame* aFrame); | |
| 139 | |
| 140 // progressbar: | |
| 141 bool IsIndeterminateProgress(nsIFrame* aFrame, | |
| 142 mozilla::EventStates aEventStates); | |
| 143 bool IsVerticalProgress(nsIFrame* aFrame); | |
| 144 | |
| 145 // meter: | |
| 146 bool IsVerticalMeter(nsIFrame* aFrame); | |
| 147 | |
| 148 // textfield: | |
| 149 bool IsReadOnly(nsIFrame* aFrame) { | |
| 150 return CheckBooleanAttr(aFrame, nsGkAtoms::readonly); | |
| 151 } | |
| 152 | |
| 153 // menupopup: | |
| 154 bool IsSubmenu(nsIFrame* aFrame, bool* aLeftOfParent); | |
| 155 | |
| 156 // True if it's not a menubar item or menulist item | |
| 157 bool IsRegularMenuItem(nsIFrame *aFrame); | |
| 158 | |
| 159 bool IsMenuListEditable(nsIFrame *aFrame); | |
| 160 | |
| 161 nsIPresShell *GetPresShell(nsIFrame* aFrame); | |
| 162 static bool CheckBooleanAttr(nsIFrame* aFrame, nsIAtom* aAtom); | |
| 163 static int32_t CheckIntAttr(nsIFrame* aFrame, nsIAtom* aAtom, int32_t defaultValue); | |
| 164 | |
| 165 // Helpers for progressbar. | |
| 166 static double GetProgressValue(nsIFrame* aFrame); | |
| 167 static double GetProgressMaxValue(nsIFrame* aFrame); | |
| 168 | |
| 169 bool GetCheckedOrSelected(nsIFrame* aFrame, bool aCheckSelected); | |
| 170 bool GetIndeterminate(nsIFrame* aFrame); | |
| 171 | |
| 172 bool QueueAnimatedContentForRefresh(nsIContent* aContent, | |
| 173 uint32_t aMinimumFrameRate); | |
| 174 | |
| 175 nsIFrame* GetAdjacentSiblingFrameWithSameAppearance(nsIFrame* aFrame, | |
| 176 bool aNextSibling); | |
| 177 | |
| 178 bool IsRangeHorizontal(nsIFrame* aFrame); | |
| 179 | |
| 180 // scrollbar | |
| 181 bool IsDarkBackground(nsIFrame* aFrame); | |
| 182 | |
| 183 private: | |
| 184 uint32_t mAnimatedContentTimeout; | |
| 185 nsCOMPtr<nsITimer> mAnimatedContentTimer; | |
| 186 nsAutoTArray<nsCOMPtr<nsIContent>, 20> mAnimatedContentList; | |
| 187 }; |
