1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/widget/xpwidgets/nsNativeTheme.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,187 @@
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 +
1.9 +// This defines a common base class for nsITheme implementations, to reduce
1.10 +// code duplication.
1.11 +
1.12 +#include "nsAlgorithm.h"
1.13 +#include "nsIAtom.h"
1.14 +#include "nsCOMPtr.h"
1.15 +#include "nsString.h"
1.16 +#include "nsMargin.h"
1.17 +#include "nsGkAtoms.h"
1.18 +#include "nsTArray.h"
1.19 +#include "nsITimer.h"
1.20 +#include "nsIContent.h"
1.21 +
1.22 +class nsIFrame;
1.23 +class nsIPresShell;
1.24 +class nsPresContext;
1.25 +
1.26 +namespace mozilla {
1.27 +class EventStates;
1.28 +} // namespace mozilla
1.29 +
1.30 +class nsNativeTheme : public nsITimerCallback
1.31 +{
1.32 + protected:
1.33 +
1.34 + NS_DECL_ISUPPORTS
1.35 + NS_DECL_NSITIMERCALLBACK
1.36 +
1.37 + enum ScrollbarButtonType {
1.38 + eScrollbarButton_UpTop = 0,
1.39 + eScrollbarButton_Down = 1 << 0,
1.40 + eScrollbarButton_Bottom = 1 << 1
1.41 + };
1.42 +
1.43 + enum TreeSortDirection {
1.44 + eTreeSortDirection_Descending,
1.45 + eTreeSortDirection_Natural,
1.46 + eTreeSortDirection_Ascending
1.47 + };
1.48 +
1.49 + nsNativeTheme();
1.50 + virtual ~nsNativeTheme() {}
1.51 +
1.52 + // Returns the content state (hover, focus, etc), see EventStateManager.h
1.53 + mozilla::EventStates GetContentState(nsIFrame* aFrame, uint8_t aWidgetType);
1.54 +
1.55 + // Returns whether the widget is already styled by content
1.56 + // Normally called from ThemeSupportsWidget to turn off native theming
1.57 + // for elements that are already styled.
1.58 + bool IsWidgetStyled(nsPresContext* aPresContext, nsIFrame* aFrame,
1.59 + uint8_t aWidgetType);
1.60 +
1.61 + // Accessors to widget-specific state information
1.62 +
1.63 + bool IsDisabled(nsIFrame* aFrame, mozilla::EventStates aEventStates);
1.64 +
1.65 + // RTL chrome direction
1.66 + bool IsFrameRTL(nsIFrame* aFrame);
1.67 +
1.68 + bool IsHTMLContent(nsIFrame *aFrame);
1.69 +
1.70 + // button:
1.71 + bool IsDefaultButton(nsIFrame* aFrame) {
1.72 + return CheckBooleanAttr(aFrame, nsGkAtoms::_default);
1.73 + }
1.74 +
1.75 + bool IsButtonTypeMenu(nsIFrame* aFrame);
1.76 +
1.77 + // checkbox:
1.78 + bool IsChecked(nsIFrame* aFrame) {
1.79 + return GetCheckedOrSelected(aFrame, false);
1.80 + }
1.81 +
1.82 + // radiobutton:
1.83 + bool IsSelected(nsIFrame* aFrame) {
1.84 + return GetCheckedOrSelected(aFrame, true);
1.85 + }
1.86 +
1.87 + bool IsFocused(nsIFrame* aFrame) {
1.88 + return CheckBooleanAttr(aFrame, nsGkAtoms::focused);
1.89 + }
1.90 +
1.91 + // scrollbar button:
1.92 + int32_t GetScrollbarButtonType(nsIFrame* aFrame);
1.93 +
1.94 + // tab:
1.95 + bool IsSelectedTab(nsIFrame* aFrame) {
1.96 + return CheckBooleanAttr(aFrame, nsGkAtoms::selected);
1.97 + }
1.98 +
1.99 + bool IsNextToSelectedTab(nsIFrame* aFrame, int32_t aOffset);
1.100 +
1.101 + bool IsBeforeSelectedTab(nsIFrame* aFrame) {
1.102 + return IsNextToSelectedTab(aFrame, -1);
1.103 + }
1.104 +
1.105 + bool IsAfterSelectedTab(nsIFrame* aFrame) {
1.106 + return IsNextToSelectedTab(aFrame, 1);
1.107 + }
1.108 +
1.109 + bool IsLeftToSelectedTab(nsIFrame* aFrame) {
1.110 + return IsFrameRTL(aFrame) ? IsAfterSelectedTab(aFrame) : IsBeforeSelectedTab(aFrame);
1.111 + }
1.112 +
1.113 + bool IsRightToSelectedTab(nsIFrame* aFrame) {
1.114 + return IsFrameRTL(aFrame) ? IsBeforeSelectedTab(aFrame) : IsAfterSelectedTab(aFrame);
1.115 + }
1.116 +
1.117 + // button / toolbarbutton:
1.118 + bool IsCheckedButton(nsIFrame* aFrame) {
1.119 + return CheckBooleanAttr(aFrame, nsGkAtoms::checked);
1.120 + }
1.121 +
1.122 + bool IsSelectedButton(nsIFrame* aFrame) {
1.123 + return CheckBooleanAttr(aFrame, nsGkAtoms::checked) ||
1.124 + CheckBooleanAttr(aFrame, nsGkAtoms::selected);
1.125 + }
1.126 +
1.127 + bool IsOpenButton(nsIFrame* aFrame) {
1.128 + return CheckBooleanAttr(aFrame, nsGkAtoms::open);
1.129 + }
1.130 +
1.131 + bool IsPressedButton(nsIFrame* aFrame);
1.132 +
1.133 + // treeheadercell:
1.134 + TreeSortDirection GetTreeSortDirection(nsIFrame* aFrame);
1.135 + bool IsLastTreeHeaderCell(nsIFrame* aFrame);
1.136 +
1.137 + // tab:
1.138 + bool IsBottomTab(nsIFrame* aFrame);
1.139 + bool IsFirstTab(nsIFrame* aFrame);
1.140 +
1.141 + bool IsHorizontal(nsIFrame* aFrame);
1.142 +
1.143 + // progressbar:
1.144 + bool IsIndeterminateProgress(nsIFrame* aFrame,
1.145 + mozilla::EventStates aEventStates);
1.146 + bool IsVerticalProgress(nsIFrame* aFrame);
1.147 +
1.148 + // meter:
1.149 + bool IsVerticalMeter(nsIFrame* aFrame);
1.150 +
1.151 + // textfield:
1.152 + bool IsReadOnly(nsIFrame* aFrame) {
1.153 + return CheckBooleanAttr(aFrame, nsGkAtoms::readonly);
1.154 + }
1.155 +
1.156 + // menupopup:
1.157 + bool IsSubmenu(nsIFrame* aFrame, bool* aLeftOfParent);
1.158 +
1.159 + // True if it's not a menubar item or menulist item
1.160 + bool IsRegularMenuItem(nsIFrame *aFrame);
1.161 +
1.162 + bool IsMenuListEditable(nsIFrame *aFrame);
1.163 +
1.164 + nsIPresShell *GetPresShell(nsIFrame* aFrame);
1.165 + static bool CheckBooleanAttr(nsIFrame* aFrame, nsIAtom* aAtom);
1.166 + static int32_t CheckIntAttr(nsIFrame* aFrame, nsIAtom* aAtom, int32_t defaultValue);
1.167 +
1.168 + // Helpers for progressbar.
1.169 + static double GetProgressValue(nsIFrame* aFrame);
1.170 + static double GetProgressMaxValue(nsIFrame* aFrame);
1.171 +
1.172 + bool GetCheckedOrSelected(nsIFrame* aFrame, bool aCheckSelected);
1.173 + bool GetIndeterminate(nsIFrame* aFrame);
1.174 +
1.175 + bool QueueAnimatedContentForRefresh(nsIContent* aContent,
1.176 + uint32_t aMinimumFrameRate);
1.177 +
1.178 + nsIFrame* GetAdjacentSiblingFrameWithSameAppearance(nsIFrame* aFrame,
1.179 + bool aNextSibling);
1.180 +
1.181 + bool IsRangeHorizontal(nsIFrame* aFrame);
1.182 +
1.183 + // scrollbar
1.184 + bool IsDarkBackground(nsIFrame* aFrame);
1.185 +
1.186 + private:
1.187 + uint32_t mAnimatedContentTimeout;
1.188 + nsCOMPtr<nsITimer> mAnimatedContentTimer;
1.189 + nsAutoTArray<nsCOMPtr<nsIContent>, 20> mAnimatedContentList;
1.190 +};
