gecko-dev/layout/forms/nsDateTimeControlFrame.cpp

415 lines
13 KiB
C++

/* -*- 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/. */
/**
* This frame type is used for input type=date, time, month, week, and
* datetime-local.
*/
#include "nsDateTimeControlFrame.h"
#include "nsContentUtils.h"
#include "nsFormControlFrame.h"
#include "nsGkAtoms.h"
#include "nsContentUtils.h"
#include "nsContentCreatorFunctions.h"
#include "nsContentList.h"
#include "mozilla/dom/HTMLInputElement.h"
#include "nsNodeInfoManager.h"
#include "nsIDateTimeInputArea.h"
#include "nsIObserverService.h"
#include "nsIDOMHTMLInputElement.h"
#include "nsIDOMMutationEvent.h"
#include "jsapi.h"
#include "nsJSUtils.h"
#include "nsThreadUtils.h"
using namespace mozilla;
using namespace mozilla::dom;
nsIFrame*
NS_NewDateTimeControlFrame(nsIPresShell* aPresShell, nsStyleContext* aContext)
{
return new (aPresShell) nsDateTimeControlFrame(aContext);
}
NS_IMPL_FRAMEARENA_HELPERS(nsDateTimeControlFrame)
NS_QUERYFRAME_HEAD(nsDateTimeControlFrame)
NS_QUERYFRAME_ENTRY(nsDateTimeControlFrame)
NS_QUERYFRAME_ENTRY(nsIAnonymousContentCreator)
NS_QUERYFRAME_TAIL_INHERITING(nsContainerFrame)
nsDateTimeControlFrame::nsDateTimeControlFrame(nsStyleContext* aContext)
: nsContainerFrame(aContext)
{
}
void
nsDateTimeControlFrame::DestroyFrom(nsIFrame* aDestructRoot)
{
nsContentUtils::DestroyAnonymousContent(&mInputAreaContent);
nsContainerFrame::DestroyFrom(aDestructRoot);
}
void
nsDateTimeControlFrame::UpdateInputBoxValue()
{
nsCOMPtr<nsIDateTimeInputArea> inputAreaContent =
do_QueryInterface(mInputAreaContent);
if (inputAreaContent) {
inputAreaContent->NotifyInputElementValueChanged();
}
}
void
nsDateTimeControlFrame::SetValueFromPicker(const DateTimeValue& aValue)
{
nsCOMPtr<nsIDateTimeInputArea> inputAreaContent =
do_QueryInterface(mInputAreaContent);
if (inputAreaContent) {
AutoJSAPI api;
if (!api.Init(mContent->OwnerDoc()->GetScopeObject())) {
return;
}
JSObject* wrapper = mContent->GetWrapper();
if (!wrapper) {
return;
}
JSObject* scope = xpc::GetXBLScope(api.cx(), wrapper);
AutoJSAPI jsapi;
if (!scope || !jsapi.Init(scope)) {
return;
}
JS::Rooted<JS::Value> jsValue(jsapi.cx());
if (!ToJSValue(jsapi.cx(), aValue, &jsValue)) {
return;
}
inputAreaContent->SetValueFromPicker(jsValue);
}
}
void
nsDateTimeControlFrame::SetPickerState(bool aOpen)
{
nsCOMPtr<nsIDateTimeInputArea> inputAreaContent =
do_QueryInterface(mInputAreaContent);
if (inputAreaContent) {
inputAreaContent->SetPickerState(aOpen);
}
}
void
nsDateTimeControlFrame::HandleFocusEvent()
{
nsCOMPtr<nsIDateTimeInputArea> inputAreaContent =
do_QueryInterface(mInputAreaContent);
if (inputAreaContent) {
inputAreaContent->FocusInnerTextBox();
}
}
void
nsDateTimeControlFrame::HandleBlurEvent()
{
nsCOMPtr<nsIDateTimeInputArea> inputAreaContent =
do_QueryInterface(mInputAreaContent);
if (inputAreaContent) {
inputAreaContent->BlurInnerTextBox();
}
}
nscoord
nsDateTimeControlFrame::GetMinISize(nsRenderingContext* aRenderingContext)
{
nscoord result;
DISPLAY_MIN_WIDTH(this, result);
nsIFrame* kid = mFrames.FirstChild();
if (kid) { // display:none?
result = nsLayoutUtils::IntrinsicForContainer(aRenderingContext,
kid,
nsLayoutUtils::MIN_ISIZE);
} else {
result = 0;
}
return result;
}
nscoord
nsDateTimeControlFrame::GetPrefISize(nsRenderingContext* aRenderingContext)
{
nscoord result;
DISPLAY_PREF_WIDTH(this, result);
nsIFrame* kid = mFrames.FirstChild();
if (kid) { // display:none?
result = nsLayoutUtils::IntrinsicForContainer(aRenderingContext,
kid,
nsLayoutUtils::PREF_ISIZE);
} else {
result = 0;
}
return result;
}
void
nsDateTimeControlFrame::Reflow(nsPresContext* aPresContext,
ReflowOutput& aDesiredSize,
const ReflowInput& aReflowInput,
nsReflowStatus& aStatus)
{
MarkInReflow();
DO_GLOBAL_REFLOW_COUNT("nsDateTimeControlFrame");
DISPLAY_REFLOW(aPresContext, this, aReflowInput, aDesiredSize, aStatus);
NS_FRAME_TRACE(NS_FRAME_TRACE_CALLS,
("enter nsDateTimeControlFrame::Reflow: availSize=%d,%d",
aReflowInput.AvailableWidth(),
aReflowInput.AvailableHeight()));
NS_ASSERTION(mInputAreaContent, "The input area content must exist!");
const WritingMode myWM = aReflowInput.GetWritingMode();
// The ISize of our content box, which is the available ISize
// for our anonymous content:
const nscoord contentBoxISize = aReflowInput.ComputedISize();
nscoord contentBoxBSize = aReflowInput.ComputedBSize();
// Figure out our border-box sizes as well (by adding borderPadding to
// content-box sizes):
const nscoord borderBoxISize = contentBoxISize +
aReflowInput.ComputedLogicalBorderPadding().IStartEnd(myWM);
nscoord borderBoxBSize;
if (contentBoxBSize != NS_INTRINSICSIZE) {
borderBoxBSize = contentBoxBSize +
aReflowInput.ComputedLogicalBorderPadding().BStartEnd(myWM);
} // else, we'll figure out borderBoxBSize after we resolve contentBoxBSize.
nsIFrame* inputAreaFrame = mFrames.FirstChild();
if (!inputAreaFrame) { // display:none?
if (contentBoxBSize == NS_INTRINSICSIZE) {
contentBoxBSize = 0;
borderBoxBSize =
aReflowInput.ComputedLogicalBorderPadding().BStartEnd(myWM);
}
} else {
NS_ASSERTION(inputAreaFrame->GetContent() == mInputAreaContent,
"What is this child doing here?");
ReflowOutput childDesiredSize(aReflowInput);
WritingMode wm = inputAreaFrame->GetWritingMode();
LogicalSize availSize = aReflowInput.ComputedSize(wm);
availSize.BSize(wm) = NS_UNCONSTRAINEDSIZE;
ReflowInput childReflowOuput(aPresContext, aReflowInput,
inputAreaFrame, availSize);
// Convert input area margin into my own writing-mode (in case it differs):
LogicalMargin childMargin =
childReflowOuput.ComputedLogicalMargin().ConvertTo(myWM, wm);
// offsets of input area frame within this frame:
LogicalPoint
childOffset(myWM,
aReflowInput.ComputedLogicalBorderPadding().IStart(myWM) +
childMargin.IStart(myWM),
aReflowInput.ComputedLogicalBorderPadding().BStart(myWM) +
childMargin.BStart(myWM));
nsReflowStatus childStatus;
// We initially reflow the child with a dummy containerSize; positioning
// will be fixed later.
const nsSize dummyContainerSize;
ReflowChild(inputAreaFrame, aPresContext, childDesiredSize,
childReflowOuput, myWM, childOffset, dummyContainerSize, 0,
childStatus);
MOZ_ASSERT(NS_FRAME_IS_FULLY_COMPLETE(childStatus),
"We gave our child unconstrained available block-size, "
"so it should be complete");
nscoord childMarginBoxBSize =
childDesiredSize.BSize(myWM) + childMargin.BStartEnd(myWM);
if (contentBoxBSize == NS_INTRINSICSIZE) {
// We are intrinsically sized -- we should shrinkwrap the input area's
// block-size:
contentBoxBSize = childMarginBoxBSize;
// Make sure we obey min/max-bsize in the case when we're doing intrinsic
// sizing (we get it for free when we have a non-intrinsic
// aReflowInput.ComputedBSize()). Note that we do this before
// adjusting for borderpadding, since ComputedMaxBSize and
// ComputedMinBSize are content heights.
contentBoxBSize =
NS_CSS_MINMAX(contentBoxBSize,
aReflowInput.ComputedMinBSize(),
aReflowInput.ComputedMaxBSize());
borderBoxBSize = contentBoxBSize +
aReflowInput.ComputedLogicalBorderPadding().BStartEnd(myWM);
}
// Center child in block axis
nscoord extraSpace = contentBoxBSize - childMarginBoxBSize;
childOffset.B(myWM) += std::max(0, extraSpace / 2);
// Needed in FinishReflowChild, for logical-to-physical conversion:
nsSize borderBoxSize = LogicalSize(myWM, borderBoxISize, borderBoxBSize).
GetPhysicalSize(myWM);
// Place the child
FinishReflowChild(inputAreaFrame, aPresContext, childDesiredSize,
&childReflowOuput, myWM, childOffset, borderBoxSize, 0);
nsSize contentBoxSize =
LogicalSize(myWM, contentBoxISize, contentBoxBSize).
GetPhysicalSize(myWM);
aDesiredSize.SetBlockStartAscent(
childDesiredSize.BlockStartAscent() +
inputAreaFrame->BStart(aReflowInput.GetWritingMode(),
contentBoxSize));
}
LogicalSize logicalDesiredSize(myWM, borderBoxISize, borderBoxBSize);
aDesiredSize.SetSize(myWM, logicalDesiredSize);
aDesiredSize.SetOverflowAreasToDesiredBounds();
if (inputAreaFrame) {
ConsiderChildOverflow(aDesiredSize.mOverflowAreas, inputAreaFrame);
}
FinishAndStoreOverflow(&aDesiredSize);
aStatus = NS_FRAME_COMPLETE;
NS_FRAME_TRACE(NS_FRAME_TRACE_CALLS,
("exit nsDateTimeControlFrame::Reflow: size=%d,%d",
aDesiredSize.Width(), aDesiredSize.Height()));
NS_FRAME_SET_TRUNCATION(aStatus, aReflowInput, aDesiredSize);
}
nsresult
nsDateTimeControlFrame::CreateAnonymousContent(nsTArray<ContentInfo>& aElements)
{
// Set up "datetimebox" XUL element which will be XBL-bound to the
// actual controls.
nsNodeInfoManager* nodeInfoManager =
mContent->GetComposedDoc()->NodeInfoManager();
RefPtr<NodeInfo> nodeInfo =
nodeInfoManager->GetNodeInfo(nsGkAtoms::datetimebox, nullptr,
kNameSpaceID_XUL, nsIDOMNode::ELEMENT_NODE);
NS_ENSURE_TRUE(nodeInfo, NS_ERROR_OUT_OF_MEMORY);
NS_TrustedNewXULElement(getter_AddRefs(mInputAreaContent), nodeInfo.forget());
aElements.AppendElement(mInputAreaContent);
// Propogate our tabindex.
nsAutoString tabIndexStr;
if (mContent->GetAttr(kNameSpaceID_None, nsGkAtoms::tabindex, tabIndexStr)) {
mInputAreaContent->SetAttr(kNameSpaceID_None, nsGkAtoms::tabindex,
tabIndexStr, false);
}
// Propagate our readonly state.
nsAutoString readonly;
if (mContent->GetAttr(kNameSpaceID_None, nsGkAtoms::readonly, readonly)) {
mInputAreaContent->SetAttr(kNameSpaceID_None, nsGkAtoms::readonly, readonly,
false);
}
SyncDisabledState();
return NS_OK;
}
void
nsDateTimeControlFrame::AppendAnonymousContentTo(nsTArray<nsIContent*>& aElements,
uint32_t aFilter)
{
if (mInputAreaContent) {
aElements.AppendElement(mInputAreaContent);
}
}
void
nsDateTimeControlFrame::SyncDisabledState()
{
EventStates eventStates = mContent->AsElement()->State();
if (eventStates.HasState(NS_EVENT_STATE_DISABLED)) {
mInputAreaContent->SetAttr(kNameSpaceID_None, nsGkAtoms::disabled,
EmptyString(), true);
} else {
mInputAreaContent->UnsetAttr(kNameSpaceID_None, nsGkAtoms::disabled, true);
}
}
nsresult
nsDateTimeControlFrame::AttributeChanged(int32_t aNameSpaceID,
nsIAtom* aAttribute,
int32_t aModType)
{
NS_ASSERTION(mInputAreaContent, "The input area content must exist!");
// nsGkAtoms::disabled is handled by SyncDisabledState
if (aNameSpaceID == kNameSpaceID_None) {
if (aAttribute == nsGkAtoms::value ||
aAttribute == nsGkAtoms::readonly ||
aAttribute == nsGkAtoms::tabindex) {
MOZ_ASSERT(mContent->IsHTMLElement(nsGkAtoms::input), "bad cast");
auto contentAsInputElem = static_cast<dom::HTMLInputElement*>(mContent);
// If script changed the <input>'s type before setting these attributes
// then we don't need to do anything since we are going to be reframed.
if (contentAsInputElem->GetType() == NS_FORM_INPUT_TIME) {
if (aAttribute == nsGkAtoms::value) {
nsCOMPtr<nsIDateTimeInputArea> inputAreaContent =
do_QueryInterface(mInputAreaContent);
if (inputAreaContent) {
nsContentUtils::AddScriptRunner(NewRunnableMethod(inputAreaContent,
&nsIDateTimeInputArea::NotifyInputElementValueChanged));
}
} else {
if (aModType == nsIDOMMutationEvent::REMOVAL) {
mInputAreaContent->UnsetAttr(aNameSpaceID, aAttribute, true);
} else {
MOZ_ASSERT(aModType == nsIDOMMutationEvent::ADDITION ||
aModType == nsIDOMMutationEvent::MODIFICATION);
nsAutoString value;
mContent->GetAttr(aNameSpaceID, aAttribute, value);
mInputAreaContent->SetAttr(aNameSpaceID, aAttribute, value, true);
}
}
}
}
}
return nsContainerFrame::AttributeChanged(aNameSpaceID, aAttribute,
aModType);
}
void
nsDateTimeControlFrame::ContentStatesChanged(EventStates aStates)
{
if (aStates.HasState(NS_EVENT_STATE_DISABLED)) {
nsContentUtils::AddScriptRunner(new SyncDisabledStateEvent(this));
}
}
nsIAtom*
nsDateTimeControlFrame::GetType() const
{
return nsGkAtoms::dateTimeControlFrame;
}