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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /widget/windows/nsNativeThemeWin.h
parentInitial commit. (diff)
downloadfirefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz
firefox-26a029d407be480d791972afb5975cf62c9360a6.zip
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'widget/windows/nsNativeThemeWin.h')
-rw-r--r--widget/windows/nsNativeThemeWin.h166
1 files changed, 166 insertions, 0 deletions
diff --git a/widget/windows/nsNativeThemeWin.h b/widget/windows/nsNativeThemeWin.h
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+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef nsNativeThemeWin_h
+#define nsNativeThemeWin_h
+
+#include <windows.h>
+
+#include "mozilla/Maybe.h"
+#include "mozilla/TimeStamp.h"
+#include "Theme.h"
+#include "nsUXThemeConstants.h"
+#include "nsUXThemeData.h"
+
+namespace mozilla::widget {
+
+class nsNativeThemeWin : public Theme {
+ protected:
+ virtual ~nsNativeThemeWin();
+
+ public:
+ // Whether we draw a non-native widget.
+ //
+ // We always draw scrollbars as non-native so that all of Firefox has
+ // consistent scrollbar styles both in chrome and content (plus, the
+ // non-native scrollbars support scrollbar-width, auto-darkening...).
+ //
+ // We draw other widgets as non-native when their color-scheme is dark. In
+ // that case (`BecauseColorMismatch`) we don't call into the non-native theme
+ // for sizing information (GetWidgetPadding/Border and GetMinimumWidgetSize),
+ // to avoid subtle sizing changes. The non-native theme can basically draw at
+ // any size, so we prefer to have consistent sizing information.
+ enum class NonNative { No, Always, BecauseColorMismatch };
+ static bool IsWidgetAlwaysNonNative(nsIFrame*, StyleAppearance);
+ NonNative IsWidgetNonNative(nsIFrame*, StyleAppearance);
+
+ // The nsITheme interface.
+ NS_IMETHOD DrawWidgetBackground(gfxContext* aContext, nsIFrame* aFrame,
+ StyleAppearance aAppearance,
+ const nsRect& aRect, const nsRect& aDirtyRect,
+ DrawOverflow) override;
+
+ bool CreateWebRenderCommandsForWidget(wr::DisplayListBuilder&,
+ wr::IpcResourceUpdateQueue&,
+ const layers::StackingContextHelper&,
+ layers::RenderRootStateManager*,
+ nsIFrame*, StyleAppearance,
+ const nsRect&) override;
+
+ [[nodiscard]] LayoutDeviceIntMargin GetWidgetBorder(
+ nsDeviceContext* aContext, nsIFrame* aFrame,
+ StyleAppearance aAppearance) override;
+
+ bool GetWidgetPadding(nsDeviceContext* aContext, nsIFrame* aFrame,
+ StyleAppearance aAppearance,
+ LayoutDeviceIntMargin* aResult) override;
+
+ virtual bool GetWidgetOverflow(nsDeviceContext* aContext, nsIFrame* aFrame,
+ StyleAppearance aAppearance,
+ nsRect* aOverflowRect) override;
+
+ LayoutDeviceIntSize GetMinimumWidgetSize(
+ nsPresContext* aPresContext, nsIFrame* aFrame,
+ StyleAppearance aAppearance) override;
+
+ virtual Transparency GetWidgetTransparency(
+ nsIFrame* aFrame, StyleAppearance aAppearance) override;
+
+ NS_IMETHOD WidgetStateChanged(nsIFrame* aFrame, StyleAppearance aAppearance,
+ nsAtom* aAttribute, bool* aShouldRepaint,
+ const nsAttrValue* aOldValue) override;
+
+ NS_IMETHOD ThemeChanged() override;
+
+ bool ThemeSupportsWidget(nsPresContext* aPresContext, nsIFrame* aFrame,
+ StyleAppearance aAppearance) override;
+
+ bool ThemeDrawsFocusForWidget(nsIFrame*, StyleAppearance) override;
+
+ bool ThemeWantsButtonInnerFocusRing() override { return true; }
+
+ bool ThemeNeedsComboboxDropmarker() override;
+
+ nsNativeThemeWin();
+
+ protected:
+ Maybe<nsUXThemeClass> GetThemeClass(StyleAppearance aAppearance);
+ HANDLE GetTheme(StyleAppearance aAppearance);
+ nsresult GetThemePartAndState(nsIFrame* aFrame, StyleAppearance aAppearance,
+ int32_t& aPart, int32_t& aState);
+ nsresult ClassicGetThemePartAndState(nsIFrame* aFrame,
+ StyleAppearance aAppearance,
+ int32_t& aPart, int32_t& aState,
+ bool& aFocused);
+ nsresult ClassicDrawWidgetBackground(gfxContext* aContext, nsIFrame* aFrame,
+ StyleAppearance aAppearance,
+ const nsRect& aRect,
+ const nsRect& aClipRect);
+ [[nodiscard]] LayoutDeviceIntMargin ClassicGetWidgetBorder(
+ nsDeviceContext* aContext, nsIFrame* aFrame, StyleAppearance aAppearance);
+ bool ClassicGetWidgetPadding(nsDeviceContext* aContext, nsIFrame* aFrame,
+ StyleAppearance aAppearance,
+ LayoutDeviceIntMargin* aResult);
+ LayoutDeviceIntSize ClassicGetMinimumWidgetSize(nsIFrame* aFrame,
+ StyleAppearance aAppearance);
+ bool ClassicThemeSupportsWidget(nsIFrame* aFrame,
+ StyleAppearance aAppearance);
+ void DrawCheckedRect(HDC hdc, const RECT& rc, int32_t fore, int32_t back,
+ HBRUSH defaultBack);
+ uint32_t GetWidgetNativeDrawingFlags(StyleAppearance aAppearance);
+ int32_t StandardGetState(nsIFrame* aFrame, StyleAppearance aAppearance,
+ bool wantFocused);
+ bool IsMenuActive(nsIFrame* aFrame, StyleAppearance aAppearance);
+ RECT CalculateProgressOverlayRect(nsIFrame* aFrame, RECT* aWidgetRect,
+ bool aIsVertical, bool aIsIndeterminate,
+ bool aIsClassic);
+ void DrawThemedProgressMeter(nsIFrame* aFrame, StyleAppearance aAppearance,
+ HANDLE aTheme, HDC aHdc, int aPart, int aState,
+ RECT* aWidgetRect, RECT* aClipRect);
+
+ [[nodiscard]] LayoutDeviceIntMargin GetCachedWidgetBorder(
+ HANDLE aTheme, nsUXThemeClass aThemeClass, StyleAppearance aAppearance,
+ int32_t aPart, int32_t aState);
+
+ nsresult GetCachedMinimumWidgetSize(nsIFrame* aFrame, HANDLE aTheme,
+ nsUXThemeClass aThemeClass,
+ StyleAppearance aAppearance,
+ int32_t aPart, int32_t aState,
+ THEMESIZE aSizeReq,
+ LayoutDeviceIntSize* aResult);
+
+ SIZE GetCachedGutterSize(HANDLE theme);
+
+ private:
+ TimeStamp mProgressDeterminateTimeStamp;
+ TimeStamp mProgressIndeterminateTimeStamp;
+
+ // eUXNumClasses * THEME_PART_DISTINCT_VALUE_COUNT is about 800 at the time of
+ // writing this, and nsIntMargin is 16 bytes wide, which makes this cache (1/8
+ // + 16) * 800 bytes, or about ~12KB. We could probably reduce this cache to
+ // 3KB by caching on the aAppearance value instead, but there would be some
+ // uncacheable values, since we derive some theme parts from other arguments.
+ uint8_t
+ mBorderCacheValid[(eUXNumClasses * THEME_PART_DISTINCT_VALUE_COUNT + 7) /
+ 8];
+ LayoutDeviceIntMargin
+ mBorderCache[eUXNumClasses * THEME_PART_DISTINCT_VALUE_COUNT];
+
+ // See the above not for mBorderCache and friends. However
+ // LayoutDeviceIntSize is half the size of nsIntMargin, making the
+ // cache roughly half as large. In total the caches should come to about 18KB.
+ uint8_t mMinimumWidgetSizeCacheValid
+ [(eUXNumClasses * THEME_PART_DISTINCT_VALUE_COUNT + 7) / 8];
+ LayoutDeviceIntSize
+ mMinimumWidgetSizeCache[eUXNumClasses * THEME_PART_DISTINCT_VALUE_COUNT];
+
+ bool mGutterSizeCacheValid;
+ SIZE mGutterSizeCache;
+};
+
+} // namespace mozilla::widget
+
+#endif