зеркало из https://github.com/mozilla/gecko-dev.git
119 строки
3.8 KiB
C++
119 строки
3.8 KiB
C++
/* -*- 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 "nsSearchControlFrame.h"
|
|
|
|
#include "HTMLInputElement.h"
|
|
#include "nsGkAtoms.h"
|
|
#include "nsNameSpaceManager.h"
|
|
#include "nsStyleConsts.h"
|
|
#include "nsContentUtils.h"
|
|
#include "nsContentCreatorFunctions.h"
|
|
#include "nsCSSPseudoElements.h"
|
|
#include "nsICSSDeclaration.h"
|
|
|
|
#ifdef ACCESSIBILITY
|
|
# include "mozilla/a11y/AccTypes.h"
|
|
#endif
|
|
|
|
using namespace mozilla;
|
|
using namespace mozilla::dom;
|
|
|
|
nsIFrame* NS_NewSearchControlFrame(PresShell* aPresShell,
|
|
ComputedStyle* aStyle) {
|
|
return new (aPresShell)
|
|
nsSearchControlFrame(aStyle, aPresShell->GetPresContext());
|
|
}
|
|
|
|
NS_IMPL_FRAMEARENA_HELPERS(nsSearchControlFrame)
|
|
|
|
NS_QUERYFRAME_HEAD(nsSearchControlFrame)
|
|
NS_QUERYFRAME_ENTRY(nsSearchControlFrame)
|
|
NS_QUERYFRAME_TAIL_INHERITING(nsTextControlFrame)
|
|
|
|
nsSearchControlFrame::nsSearchControlFrame(ComputedStyle* aStyle,
|
|
nsPresContext* aPresContext)
|
|
: nsTextControlFrame(aStyle, aPresContext, kClassID) {}
|
|
|
|
void nsSearchControlFrame::DestroyFrom(nsIFrame* aDestructRoot,
|
|
PostDestroyData& aPostDestroyData) {
|
|
aPostDestroyData.AddAnonymousContent(mOuterWrapper.forget());
|
|
nsTextControlFrame::DestroyFrom(aDestructRoot, aPostDestroyData);
|
|
}
|
|
|
|
nsresult nsSearchControlFrame::CreateAnonymousContent(
|
|
nsTArray<ContentInfo>& aElements) {
|
|
// We create an anonymous tree for our input element that is structured as
|
|
// follows:
|
|
//
|
|
// input
|
|
// div - outer wrapper with "display:flex" by default
|
|
// div - editor root
|
|
// button - clear button
|
|
// div - placeholder
|
|
// div - preview div
|
|
//
|
|
// If you change this, be careful to change the destruction order in
|
|
// nsSearchControlFrame::DestroyFrom.
|
|
|
|
// Create the anonymous outer wrapper:
|
|
mOuterWrapper = MakeAnonElement(PseudoStyleType::mozComplexControlWrapper);
|
|
|
|
aElements.AppendElement(mOuterWrapper);
|
|
|
|
nsTArray<ContentInfo> nestedContent;
|
|
nsTextControlFrame::CreateAnonymousContent(nestedContent);
|
|
for (auto& content : nestedContent) {
|
|
// The root goes inside the container.
|
|
if (content.mContent == mRootNode) {
|
|
mOuterWrapper->AppendChildTo(content.mContent, false);
|
|
} else {
|
|
// The rest (placeholder and preview), directly under us.
|
|
aElements.AppendElement(std::move(content));
|
|
}
|
|
}
|
|
|
|
// Create the ::-moz-search-clear-button pseudo-element:
|
|
mClearButton = MakeAnonElement(PseudoStyleType::mozSearchClearButton,
|
|
mOuterWrapper, nsGkAtoms::button);
|
|
|
|
// Update clear button visibility based on value
|
|
UpdateClearButtonState();
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
void nsSearchControlFrame::AppendAnonymousContentTo(
|
|
nsTArray<nsIContent*>& aElements, uint32_t aFilter) {
|
|
if (mOuterWrapper) {
|
|
aElements.AppendElement(mOuterWrapper);
|
|
}
|
|
if (mPlaceholderDiv) {
|
|
aElements.AppendElement(mPlaceholderDiv);
|
|
}
|
|
if (mPreviewDiv) {
|
|
aElements.AppendElement(mPreviewDiv);
|
|
}
|
|
}
|
|
|
|
void nsSearchControlFrame::UpdateClearButtonState() {
|
|
if (!mClearButton) {
|
|
return;
|
|
}
|
|
|
|
auto* content = HTMLInputElement::FromNode(mContent);
|
|
|
|
nsGenericHTMLElement* element = nsGenericHTMLElement::FromNode(mClearButton);
|
|
nsCOMPtr<nsICSSDeclaration> declaration = element->Style();
|
|
if (content->IsValueEmpty()) {
|
|
declaration->SetProperty("visibility"_ns, "hidden"_ns, EmptyString(),
|
|
IgnoreErrors());
|
|
} else {
|
|
nsAutoString dummy;
|
|
declaration->RemoveProperty("visibility"_ns, dummy, IgnoreErrors());
|
|
}
|
|
}
|