mirror of
https://github.com/mozilla/gecko-dev.git
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cb0734d274
Differential Revision: https://phabricator.services.mozilla.com/D66012 --HG-- extra : moz-landing-system : lando
200 lines
5.6 KiB
C++
200 lines
5.6 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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// This defines a common base class for nsITheme implementations, to reduce
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// code duplication.
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#ifndef _NSNATIVETHEME_H_
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#define _NSNATIVETHEME_H_
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#include "nsAlgorithm.h"
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#include "nsAtom.h"
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#include "nsColor.h"
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#include "nsCOMPtr.h"
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#include "nsString.h"
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#include "nsMargin.h"
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#include "nsGkAtoms.h"
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#include "nsTArray.h"
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#include "nsINamed.h"
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#include "nsITimer.h"
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#include "nsIContent.h"
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class nsIFrame;
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class nsPresContext;
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namespace mozilla {
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class ComputedStyle;
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enum class StyleAppearance : uint8_t;
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class EventStates;
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} // namespace mozilla
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class nsNativeTheme : public nsITimerCallback, public nsINamed {
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protected:
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virtual ~nsNativeTheme() = default;
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NS_DECL_ISUPPORTS
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NS_DECL_NSITIMERCALLBACK
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NS_DECL_NSINAMED
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enum ScrollbarButtonType {
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eScrollbarButton_UpTop = 0,
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eScrollbarButton_Down = 1 << 0,
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eScrollbarButton_Bottom = 1 << 1
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};
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enum TreeSortDirection {
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eTreeSortDirection_Descending,
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eTreeSortDirection_Natural,
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eTreeSortDirection_Ascending
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};
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nsNativeTheme();
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// Returns the content state (hover, focus, etc), see EventStateManager.h
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mozilla::EventStates GetContentState(nsIFrame* aFrame,
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mozilla::StyleAppearance aAppearance);
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// Returns whether the widget is already styled by content
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// Normally called from ThemeSupportsWidget to turn off native theming
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// for elements that are already styled.
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bool IsWidgetStyled(nsPresContext* aPresContext, nsIFrame* aFrame,
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mozilla::StyleAppearance aAppearance);
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// Accessors to widget-specific state information
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bool IsDisabled(nsIFrame* aFrame, mozilla::EventStates aEventStates);
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// RTL chrome direction
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static bool IsFrameRTL(nsIFrame* aFrame);
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static bool IsHTMLContent(nsIFrame* aFrame);
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// button:
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bool IsDefaultButton(nsIFrame* aFrame) {
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return CheckBooleanAttr(aFrame, nsGkAtoms::_default);
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}
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bool IsButtonTypeMenu(nsIFrame* aFrame);
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// checkbox:
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bool IsChecked(nsIFrame* aFrame) {
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return GetCheckedOrSelected(aFrame, false);
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}
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// radiobutton:
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bool IsSelected(nsIFrame* aFrame) {
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return GetCheckedOrSelected(aFrame, true);
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}
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bool IsFocused(nsIFrame* aFrame) {
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return CheckBooleanAttr(aFrame, nsGkAtoms::focused);
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}
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// scrollbar button:
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int32_t GetScrollbarButtonType(nsIFrame* aFrame);
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// tab:
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bool IsSelectedTab(nsIFrame* aFrame) {
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return CheckBooleanAttr(aFrame, nsGkAtoms::visuallyselected);
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}
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bool IsNextToSelectedTab(nsIFrame* aFrame, int32_t aOffset);
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bool IsBeforeSelectedTab(nsIFrame* aFrame) {
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return IsNextToSelectedTab(aFrame, -1);
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}
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bool IsAfterSelectedTab(nsIFrame* aFrame) {
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return IsNextToSelectedTab(aFrame, 1);
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}
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bool IsLeftToSelectedTab(nsIFrame* aFrame) {
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return IsFrameRTL(aFrame) ? IsAfterSelectedTab(aFrame)
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: IsBeforeSelectedTab(aFrame);
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}
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bool IsRightToSelectedTab(nsIFrame* aFrame) {
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return IsFrameRTL(aFrame) ? IsBeforeSelectedTab(aFrame)
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: IsAfterSelectedTab(aFrame);
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}
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// button / toolbarbutton:
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bool IsCheckedButton(nsIFrame* aFrame) {
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return CheckBooleanAttr(aFrame, nsGkAtoms::checked);
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}
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bool IsSelectedButton(nsIFrame* aFrame) {
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return CheckBooleanAttr(aFrame, nsGkAtoms::checked) ||
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CheckBooleanAttr(aFrame, nsGkAtoms::selected);
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}
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bool IsOpenButton(nsIFrame* aFrame) {
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return CheckBooleanAttr(aFrame, nsGkAtoms::open);
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}
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bool IsPressedButton(nsIFrame* aFrame);
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// treeheadercell:
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TreeSortDirection GetTreeSortDirection(nsIFrame* aFrame);
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bool IsLastTreeHeaderCell(nsIFrame* aFrame);
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// tab:
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bool IsBottomTab(nsIFrame* aFrame);
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bool IsFirstTab(nsIFrame* aFrame);
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bool IsHorizontal(nsIFrame* aFrame);
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// progressbar:
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bool IsIndeterminateProgress(nsIFrame* aFrame,
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mozilla::EventStates aEventStates);
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bool IsVerticalProgress(nsIFrame* aFrame);
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// meter:
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bool IsVerticalMeter(nsIFrame* aFrame);
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// textfield:
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bool IsReadOnly(nsIFrame* aFrame) {
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return CheckBooleanAttr(aFrame, nsGkAtoms::readonly);
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}
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// menupopup:
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bool IsSubmenu(nsIFrame* aFrame, bool* aLeftOfParent);
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// True if it's not a menubar item or menulist item
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bool IsRegularMenuItem(nsIFrame* aFrame);
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static bool CheckBooleanAttr(nsIFrame* aFrame, nsAtom* aAtom);
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static int32_t CheckIntAttr(nsIFrame* aFrame, nsAtom* aAtom,
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int32_t defaultValue);
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// Helpers for progressbar.
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static double GetProgressValue(nsIFrame* aFrame);
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static double GetProgressMaxValue(nsIFrame* aFrame);
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bool GetCheckedOrSelected(nsIFrame* aFrame, bool aCheckSelected);
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bool GetIndeterminate(nsIFrame* aFrame);
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bool QueueAnimatedContentForRefresh(nsIContent* aContent,
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uint32_t aMinimumFrameRate);
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nsIFrame* GetAdjacentSiblingFrameWithSameAppearance(nsIFrame* aFrame,
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bool aNextSibling);
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bool IsRangeHorizontal(nsIFrame* aFrame);
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// scrollbar
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static bool IsDarkBackground(nsIFrame* aFrame);
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// custom scrollbar
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typedef nscolor (*AutoColorGetter)(mozilla::ComputedStyle*);
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bool IsWidgetScrollbarPart(mozilla::StyleAppearance aAppearance);
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private:
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uint32_t mAnimatedContentTimeout;
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nsCOMPtr<nsITimer> mAnimatedContentTimer;
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AutoTArray<nsCOMPtr<nsIContent>, 20> mAnimatedContentList;
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};
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#endif // _NSNATIVETHEME_H_
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