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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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/. */
#include "nsCheckboxRadioFrame.h"
#include "nsGkAtoms.h"
#include "nsLayoutUtils.h"
#include "mozilla/dom/HTMLInputElement.h"
#include "mozilla/EventStateManager.h"
#include "mozilla/LookAndFeel.h"
#include "mozilla/PresShell.h"
#include "nsDeviceContext.h"
#include "nsIContent.h"
#include "nsStyleConsts.h"
using namespace mozilla;
using mozilla::dom::Element;
using mozilla::dom::HTMLInputElement;
//#define FCF_NOISY
nsCheckboxRadioFrame* NS_NewCheckboxRadioFrame(PresShell* aPresShell,
ComputedStyle* aStyle) {
return new (aPresShell)
nsCheckboxRadioFrame(aStyle, aPresShell->GetPresContext());
}
nsCheckboxRadioFrame::nsCheckboxRadioFrame(ComputedStyle* aStyle,
nsPresContext* aPresContext)
: nsAtomicContainerFrame(aStyle, aPresContext, kClassID) {}
nsCheckboxRadioFrame::~nsCheckboxRadioFrame() = default;
void nsCheckboxRadioFrame::DestroyFrom(nsIFrame* aDestructRoot,
PostDestroyData& aPostDestroyData) {
// Unregister the access key registered in reflow
nsCheckboxRadioFrame::RegUnRegAccessKey(static_cast<nsIFrame*>(this), false);
nsAtomicContainerFrame::DestroyFrom(aDestructRoot, aPostDestroyData);
}
NS_IMPL_FRAMEARENA_HELPERS(nsCheckboxRadioFrame)
NS_QUERYFRAME_HEAD(nsCheckboxRadioFrame)
NS_QUERYFRAME_ENTRY(nsIFormControlFrame)
NS_QUERYFRAME_TAIL_INHERITING(nsAtomicContainerFrame)
/* virtual */
nscoord nsCheckboxRadioFrame::GetMinISize(gfxContext* aRenderingContext) {
nscoord result;
DISPLAY_MIN_INLINE_SIZE(this, result);
result = StyleDisplay()->HasAppearance() ? DefaultSize() : 0;
return result;
}
/* virtual */
nscoord nsCheckboxRadioFrame::GetPrefISize(gfxContext* aRenderingContext) {
nscoord result;
DISPLAY_PREF_INLINE_SIZE(this, result);
result = StyleDisplay()->HasAppearance() ? DefaultSize() : 0;
return result;
}
/* virtual */
LogicalSize nsCheckboxRadioFrame::ComputeAutoSize(
gfxContext* aRC, WritingMode aWM, const LogicalSize& aCBSize,
nscoord aAvailableISize, const LogicalSize& aMargin,
const LogicalSize& aBorderPadding, ComputeSizeFlags aFlags) {
LogicalSize size(aWM, 0, 0);
if (!StyleDisplay()->HasAppearance()) {
return size;
}
// Note: this call always set the BSize to NS_UNCONSTRAINEDSIZE.
size = nsAtomicContainerFrame::ComputeAutoSize(
aRC, aWM, aCBSize, aAvailableISize, aMargin, aBorderPadding, aFlags);
size.BSize(aWM) = DefaultSize();
return size;
}
nscoord nsCheckboxRadioFrame::GetLogicalBaseline(
WritingMode aWritingMode) const {
NS_ASSERTION(!IsSubtreeDirty(), "frame must not be dirty");
// For appearance:none we use a standard CSS baseline, i.e. synthesized from
// our margin-box.
if (!StyleDisplay()->HasAppearance()) {
return nsAtomicContainerFrame::GetLogicalBaseline(aWritingMode);
}
// This is for compatibility with Chrome, Safari and Edge (Dec 2016).
// Treat radio buttons and checkboxes as having an intrinsic baseline
// at the block-end of the control (use the block-end content edge rather
// than the margin edge).
// For "inverted" lines (typically in writing-mode:vertical-lr), use the
// block-start end instead.
return aWritingMode.IsLineInverted()
? GetLogicalUsedBorderAndPadding(aWritingMode).BStart(aWritingMode)
: BSize(aWritingMode) -
GetLogicalUsedBorderAndPadding(aWritingMode)
.BEnd(aWritingMode);
}
void nsCheckboxRadioFrame::Reflow(nsPresContext* aPresContext,
ReflowOutput& aDesiredSize,
const ReflowInput& aReflowInput,
nsReflowStatus& aStatus) {
MarkInReflow();
DO_GLOBAL_REFLOW_COUNT("nsCheckboxRadioFrame");
DISPLAY_REFLOW(aPresContext, this, aReflowInput, aDesiredSize, aStatus);
MOZ_ASSERT(aStatus.IsEmpty(), "Caller should pass a fresh reflow status!");
NS_FRAME_TRACE(
NS_FRAME_TRACE_CALLS,
("enter nsCheckboxRadioFrame::Reflow: aMaxSize=%d,%d",
aReflowInput.AvailableWidth(), aReflowInput.AvailableHeight()));
if (mState & NS_FRAME_FIRST_REFLOW) {
RegUnRegAccessKey(static_cast<nsIFrame*>(this), true);
}
const auto wm = aReflowInput.GetWritingMode();
aDesiredSize.SetSize(wm, aReflowInput.ComputedSizeWithBorderPadding(wm));
if (nsLayoutUtils::FontSizeInflationEnabled(aPresContext)) {
float inflation = nsLayoutUtils::FontSizeInflationFor(this);
aDesiredSize.Width() *= inflation;
aDesiredSize.Height() *= inflation;
}
NS_FRAME_TRACE(NS_FRAME_TRACE_CALLS,
("exit nsCheckboxRadioFrame::Reflow: size=%d,%d",
aDesiredSize.Width(), aDesiredSize.Height()));
NS_FRAME_SET_TRUNCATION(aStatus, aReflowInput, aDesiredSize);
aDesiredSize.SetOverflowAreasToDesiredBounds();
FinishAndStoreOverflow(&aDesiredSize);
}
nsresult nsCheckboxRadioFrame::RegUnRegAccessKey(nsIFrame* aFrame,
bool aDoReg) {
NS_ENSURE_ARG_POINTER(aFrame);
nsPresContext* presContext = aFrame->PresContext();
NS_ASSERTION(presContext, "aPresContext is NULL in RegUnRegAccessKey!");
nsAutoString accessKey;
Element* content = aFrame->GetContent()->AsElement();
content->GetAttr(kNameSpaceID_None, nsGkAtoms::accesskey, accessKey);
if (!accessKey.IsEmpty()) {
EventStateManager* stateManager = presContext->EventStateManager();
if (aDoReg) {
stateManager->RegisterAccessKey(content, (uint32_t)accessKey.First());
} else {
stateManager->UnregisterAccessKey(content, (uint32_t)accessKey.First());
}
return NS_OK;
}
return NS_ERROR_FAILURE;
}
void nsCheckboxRadioFrame::SetFocus(bool aOn, bool aRepaint) {}
nsresult nsCheckboxRadioFrame::HandleEvent(nsPresContext* aPresContext,
WidgetGUIEvent* aEvent,
nsEventStatus* aEventStatus) {
// Check for disabled content so that selection works properly (?).
if (IsContentDisabled()) {
return nsIFrame::HandleEvent(aPresContext, aEvent, aEventStatus);
}
return NS_OK;
}
void nsCheckboxRadioFrame::GetCurrentCheckState(bool* aState) {
HTMLInputElement* inputElement = HTMLInputElement::FromNode(mContent);
if (inputElement) {
*aState = inputElement->Checked();
}
}
nsresult nsCheckboxRadioFrame::SetFormProperty(nsAtom* aName,
const nsAString& aValue) {
return NS_OK;
}
// static
nsRect nsCheckboxRadioFrame::GetUsableScreenRect(nsPresContext* aPresContext) {
nsRect screen;
nsDeviceContext* context = aPresContext->DeviceContext();
int32_t dropdownCanOverlapOSBar =
LookAndFeel::GetInt(LookAndFeel::IntID::MenusCanOverlapOSBar, 0);
if (dropdownCanOverlapOSBar)
context->GetRect(screen);
else
context->GetClientRect(screen);
return screen;
}
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