forked from mirrors/gecko-dev
270 lines
10 KiB
C++
270 lines
10 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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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/**
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* This frame type is used for input type=date, time, month, week, and
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* datetime-local.
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*/
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#include "nsDateTimeControlFrame.h"
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#include "nsContentUtils.h"
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#include "nsCheckboxRadioFrame.h"
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#include "nsGkAtoms.h"
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#include "nsContentCreatorFunctions.h"
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#include "mozilla/AsyncEventDispatcher.h"
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#include "mozilla/dom/HTMLInputElement.h"
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#include "mozilla/dom/MutationEventBinding.h"
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#include "nsNodeInfoManager.h"
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#include "nsIObserverService.h"
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#include "jsapi.h"
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#include "nsJSUtils.h"
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#include "nsThreadUtils.h"
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using namespace mozilla;
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using namespace mozilla::dom;
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nsIFrame* NS_NewDateTimeControlFrame(nsIPresShell* aPresShell,
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ComputedStyle* aStyle) {
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return new (aPresShell)
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nsDateTimeControlFrame(aStyle, aPresShell->GetPresContext());
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}
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NS_IMPL_FRAMEARENA_HELPERS(nsDateTimeControlFrame)
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NS_QUERYFRAME_HEAD(nsDateTimeControlFrame)
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NS_QUERYFRAME_ENTRY(nsDateTimeControlFrame)
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NS_QUERYFRAME_TAIL_INHERITING(nsContainerFrame)
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nsDateTimeControlFrame::nsDateTimeControlFrame(ComputedStyle* aStyle,
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nsPresContext* aPresContext)
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: nsContainerFrame(aStyle, aPresContext, kClassID) {}
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nscoord nsDateTimeControlFrame::GetMinISize(gfxContext* aRenderingContext) {
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nscoord result;
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DISPLAY_MIN_INLINE_SIZE(this, result);
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nsIFrame* kid = mFrames.FirstChild();
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if (kid) { // display:none?
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result = nsLayoutUtils::IntrinsicForContainer(aRenderingContext, kid,
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nsLayoutUtils::MIN_ISIZE);
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} else {
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result = 0;
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}
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return result;
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}
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nscoord nsDateTimeControlFrame::GetPrefISize(gfxContext* aRenderingContext) {
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nscoord result;
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DISPLAY_PREF_INLINE_SIZE(this, result);
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nsIFrame* kid = mFrames.FirstChild();
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if (kid) { // display:none?
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result = nsLayoutUtils::IntrinsicForContainer(aRenderingContext, kid,
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nsLayoutUtils::PREF_ISIZE);
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} else {
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result = 0;
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}
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return result;
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}
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void nsDateTimeControlFrame::Reflow(nsPresContext* aPresContext,
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ReflowOutput& aDesiredSize,
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const ReflowInput& aReflowInput,
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nsReflowStatus& aStatus) {
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MarkInReflow();
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DO_GLOBAL_REFLOW_COUNT("nsDateTimeControlFrame");
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DISPLAY_REFLOW(aPresContext, this, aReflowInput, aDesiredSize, aStatus);
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MOZ_ASSERT(aStatus.IsEmpty(), "Caller should pass a fresh reflow status!");
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NS_FRAME_TRACE(
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NS_FRAME_TRACE_CALLS,
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("enter nsDateTimeControlFrame::Reflow: availSize=%d,%d",
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aReflowInput.AvailableWidth(), aReflowInput.AvailableHeight()));
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NS_ASSERTION(mFrames.GetLength() <= 1,
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"There should be no more than 1 frames");
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const WritingMode myWM = aReflowInput.GetWritingMode();
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// The ISize of our content box, which is the available ISize
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// for our anonymous content:
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const nscoord contentBoxISize = aReflowInput.ComputedISize();
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nscoord contentBoxBSize = aReflowInput.ComputedBSize();
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// Figure out our border-box sizes as well (by adding borderPadding to
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// content-box sizes):
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const nscoord borderBoxISize =
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contentBoxISize +
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aReflowInput.ComputedLogicalBorderPadding().IStartEnd(myWM);
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nscoord borderBoxBSize;
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if (contentBoxBSize != NS_INTRINSICSIZE) {
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borderBoxBSize =
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contentBoxBSize +
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aReflowInput.ComputedLogicalBorderPadding().BStartEnd(myWM);
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} // else, we'll figure out borderBoxBSize after we resolve contentBoxBSize.
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nsIFrame* inputAreaFrame = mFrames.FirstChild();
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if (!inputAreaFrame) { // display:none?
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if (contentBoxBSize == NS_INTRINSICSIZE) {
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contentBoxBSize = 0;
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borderBoxBSize =
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aReflowInput.ComputedLogicalBorderPadding().BStartEnd(myWM);
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}
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} else {
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ReflowOutput childDesiredSize(aReflowInput);
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WritingMode wm = inputAreaFrame->GetWritingMode();
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LogicalSize availSize = aReflowInput.ComputedSize(wm);
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availSize.BSize(wm) = NS_UNCONSTRAINEDSIZE;
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ReflowInput childReflowOuput(aPresContext, aReflowInput, inputAreaFrame,
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availSize);
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// Convert input area margin into my own writing-mode (in case it differs):
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LogicalMargin childMargin =
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childReflowOuput.ComputedLogicalMargin().ConvertTo(myWM, wm);
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// offsets of input area frame within this frame:
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LogicalPoint childOffset(
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myWM,
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aReflowInput.ComputedLogicalBorderPadding().IStart(myWM) +
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childMargin.IStart(myWM),
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aReflowInput.ComputedLogicalBorderPadding().BStart(myWM) +
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childMargin.BStart(myWM));
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nsReflowStatus childStatus;
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// We initially reflow the child with a dummy containerSize; positioning
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// will be fixed later.
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const nsSize dummyContainerSize;
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ReflowChild(inputAreaFrame, aPresContext, childDesiredSize,
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childReflowOuput, myWM, childOffset, dummyContainerSize, 0,
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childStatus);
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MOZ_ASSERT(childStatus.IsFullyComplete(),
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"We gave our child unconstrained available block-size, "
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"so it should be complete");
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nscoord childMarginBoxBSize =
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childDesiredSize.BSize(myWM) + childMargin.BStartEnd(myWM);
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if (contentBoxBSize == NS_INTRINSICSIZE) {
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// We are intrinsically sized -- we should shrinkwrap the input area's
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// block-size:
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contentBoxBSize = childMarginBoxBSize;
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// Make sure we obey min/max-bsize in the case when we're doing intrinsic
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// sizing (we get it for free when we have a non-intrinsic
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// aReflowInput.ComputedBSize()). Note that we do this before
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// adjusting for borderpadding, since ComputedMaxBSize and
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// ComputedMinBSize are content heights.
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contentBoxBSize =
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NS_CSS_MINMAX(contentBoxBSize, aReflowInput.ComputedMinBSize(),
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aReflowInput.ComputedMaxBSize());
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borderBoxBSize =
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contentBoxBSize +
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aReflowInput.ComputedLogicalBorderPadding().BStartEnd(myWM);
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}
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// Center child in block axis
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nscoord extraSpace = contentBoxBSize - childMarginBoxBSize;
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childOffset.B(myWM) += std::max(0, extraSpace / 2);
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// Needed in FinishReflowChild, for logical-to-physical conversion:
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nsSize borderBoxSize =
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LogicalSize(myWM, borderBoxISize, borderBoxBSize).GetPhysicalSize(myWM);
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// Place the child
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FinishReflowChild(inputAreaFrame, aPresContext, childDesiredSize,
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&childReflowOuput, myWM, childOffset, borderBoxSize, 0);
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nsSize contentBoxSize = LogicalSize(myWM, contentBoxISize, contentBoxBSize)
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.GetPhysicalSize(myWM);
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aDesiredSize.SetBlockStartAscent(
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childDesiredSize.BlockStartAscent() +
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inputAreaFrame->BStart(aReflowInput.GetWritingMode(), contentBoxSize));
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}
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LogicalSize logicalDesiredSize(myWM, borderBoxISize, borderBoxBSize);
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aDesiredSize.SetSize(myWM, logicalDesiredSize);
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aDesiredSize.SetOverflowAreasToDesiredBounds();
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if (inputAreaFrame) {
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ConsiderChildOverflow(aDesiredSize.mOverflowAreas, inputAreaFrame);
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}
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FinishAndStoreOverflow(&aDesiredSize);
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NS_FRAME_TRACE(NS_FRAME_TRACE_CALLS,
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("exit nsDateTimeControlFrame::Reflow: size=%d,%d",
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aDesiredSize.Width(), aDesiredSize.Height()));
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NS_FRAME_SET_TRUNCATION(aStatus, aReflowInput, aDesiredSize);
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}
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void nsDateTimeControlFrame::SyncDisabledState() {
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Element* dateTimeBoxElement =
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static_cast<dom::HTMLInputElement*>(GetContent())
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->GetDateTimeBoxElement();
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if (!dateTimeBoxElement) {
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return;
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}
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AsyncEventDispatcher* dispatcher = new AsyncEventDispatcher(
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dateTimeBoxElement, NS_LITERAL_STRING("MozDateTimeAttributeChanged"),
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CanBubble::eNo, ChromeOnlyDispatch::eNo);
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dispatcher->RunDOMEventWhenSafe();
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}
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nsresult nsDateTimeControlFrame::AttributeChanged(int32_t aNameSpaceID,
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nsAtom* aAttribute,
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int32_t aModType) {
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// nsGkAtoms::disabled is handled by SyncDisabledState
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if (aNameSpaceID == kNameSpaceID_None) {
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if (aAttribute == nsGkAtoms::value || aAttribute == nsGkAtoms::readonly ||
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aAttribute == nsGkAtoms::tabindex) {
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MOZ_ASSERT(mContent->IsHTMLElement(nsGkAtoms::input), "bad cast");
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auto contentAsInputElem =
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static_cast<dom::HTMLInputElement*>(GetContent());
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// If script changed the <input>'s type before setting these attributes
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// then we don't need to do anything since we are going to be reframed.
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if (contentAsInputElem->ControlType() == NS_FORM_INPUT_TIME ||
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contentAsInputElem->ControlType() == NS_FORM_INPUT_DATE) {
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Element* dateTimeBoxElement =
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static_cast<dom::HTMLInputElement*>(GetContent())
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->GetDateTimeBoxElement();
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if (aAttribute == nsGkAtoms::value) {
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if (dateTimeBoxElement) {
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AsyncEventDispatcher* dispatcher = new AsyncEventDispatcher(
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dateTimeBoxElement,
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NS_LITERAL_STRING("MozDateTimeValueChanged"), CanBubble::eNo,
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ChromeOnlyDispatch::eNo);
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dispatcher->RunDOMEventWhenSafe();
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}
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} else {
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if (dateTimeBoxElement) {
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AsyncEventDispatcher* dispatcher = new AsyncEventDispatcher(
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dateTimeBoxElement,
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NS_LITERAL_STRING("MozDateTimeAttributeChanged"),
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CanBubble::eNo, ChromeOnlyDispatch::eNo);
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dispatcher->RunDOMEventWhenSafe();
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}
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}
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}
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}
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}
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return nsContainerFrame::AttributeChanged(aNameSpaceID, aAttribute, aModType);
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}
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void nsDateTimeControlFrame::ContentStatesChanged(EventStates aStates) {
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if (aStates.HasState(NS_EVENT_STATE_DISABLED)) {
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nsContentUtils::AddScriptRunner(new SyncDisabledStateEvent(this));
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}
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}
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