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-rw-r--r--layout/forms/nsImageControlFrame.cpp151
1 files changed, 151 insertions, 0 deletions
diff --git a/layout/forms/nsImageControlFrame.cpp b/layout/forms/nsImageControlFrame.cpp
new file mode 100644
index 0000000000..898d890e04
--- /dev/null
+++ b/layout/forms/nsImageControlFrame.cpp
@@ -0,0 +1,151 @@
+/* -*- 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 "nsImageFrame.h"
+
+#include "mozilla/MouseEvents.h"
+#include "mozilla/PresShell.h"
+#include "nsIFormControlFrame.h"
+#include "nsPresContext.h"
+#include "nsGkAtoms.h"
+#include "nsStyleConsts.h"
+#include "nsLayoutUtils.h"
+#include "nsIContent.h"
+
+using namespace mozilla;
+
+class nsImageControlFrame final : public nsImageFrame,
+ public nsIFormControlFrame {
+ public:
+ explicit nsImageControlFrame(ComputedStyle* aStyle,
+ nsPresContext* aPresContext);
+ ~nsImageControlFrame() final;
+
+ void Init(nsIContent* aContent, nsContainerFrame* aParent,
+ nsIFrame* aPrevInFlow) final;
+
+ NS_DECL_QUERYFRAME
+ NS_DECL_FRAMEARENA_HELPERS(nsImageControlFrame)
+
+ void Reflow(nsPresContext*, ReflowOutput&, const ReflowInput&,
+ nsReflowStatus&) final;
+
+ nsresult HandleEvent(nsPresContext*, WidgetGUIEvent*, nsEventStatus*) final;
+
+#ifdef ACCESSIBILITY
+ mozilla::a11y::AccType AccessibleType() final;
+#endif
+
+#ifdef DEBUG_FRAME_DUMP
+ nsresult GetFrameName(nsAString& aResult) const final {
+ return MakeFrameName(u"ImageControl"_ns, aResult);
+ }
+#endif
+
+ Maybe<Cursor> GetCursor(const nsPoint&) final;
+
+ // nsIFormContromFrame
+ void SetFocus(bool aOn, bool aRepaint) final;
+ nsresult SetFormProperty(nsAtom* aName, const nsAString& aValue) final;
+};
+
+nsImageControlFrame::nsImageControlFrame(ComputedStyle* aStyle,
+ nsPresContext* aPresContext)
+ : nsImageFrame(aStyle, aPresContext, kClassID) {}
+
+nsImageControlFrame::~nsImageControlFrame() = default;
+
+nsIFrame* NS_NewImageControlFrame(PresShell* aPresShell,
+ ComputedStyle* aStyle) {
+ return new (aPresShell)
+ nsImageControlFrame(aStyle, aPresShell->GetPresContext());
+}
+
+NS_IMPL_FRAMEARENA_HELPERS(nsImageControlFrame)
+
+void nsImageControlFrame::Init(nsIContent* aContent, nsContainerFrame* aParent,
+ nsIFrame* aPrevInFlow) {
+ nsImageFrame::Init(aContent, aParent, aPrevInFlow);
+
+ if (aPrevInFlow) {
+ return;
+ }
+
+ mContent->SetProperty(nsGkAtoms::imageClickedPoint, new CSSIntPoint(0, 0),
+ nsINode::DeleteProperty<CSSIntPoint>);
+}
+
+NS_QUERYFRAME_HEAD(nsImageControlFrame)
+ NS_QUERYFRAME_ENTRY(nsIFormControlFrame)
+NS_QUERYFRAME_TAIL_INHERITING(nsImageFrame)
+
+#ifdef ACCESSIBILITY
+a11y::AccType nsImageControlFrame::AccessibleType() {
+ if (mContent->IsAnyOfHTMLElements(nsGkAtoms::button, nsGkAtoms::input)) {
+ return a11y::eHTMLButtonType;
+ }
+
+ return a11y::eNoType;
+}
+#endif
+
+void nsImageControlFrame::Reflow(nsPresContext* aPresContext,
+ ReflowOutput& aDesiredSize,
+ const ReflowInput& aReflowInput,
+ nsReflowStatus& aStatus) {
+ DO_GLOBAL_REFLOW_COUNT("nsImageControlFrame");
+ DISPLAY_REFLOW(aPresContext, this, aReflowInput, aDesiredSize, aStatus);
+ MOZ_ASSERT(aStatus.IsEmpty(), "Caller should pass a fresh reflow status!");
+ return nsImageFrame::Reflow(aPresContext, aDesiredSize, aReflowInput,
+ aStatus);
+}
+
+nsresult nsImageControlFrame::HandleEvent(nsPresContext* aPresContext,
+ WidgetGUIEvent* aEvent,
+ nsEventStatus* aEventStatus) {
+ NS_ENSURE_ARG_POINTER(aEventStatus);
+
+ // Don't do anything if the event has already been handled by someone
+ if (nsEventStatus_eConsumeNoDefault == *aEventStatus) {
+ return NS_OK;
+ }
+
+ if (IsContentDisabled()) {
+ return nsIFrame::HandleEvent(aPresContext, aEvent, aEventStatus);
+ }
+
+ *aEventStatus = nsEventStatus_eIgnore;
+
+ if (aEvent->mMessage == eMouseUp &&
+ aEvent->AsMouseEvent()->mButton == MouseButton::ePrimary) {
+ // Store click point for HTMLInputElement::SubmitNamesValues
+ // Do this on MouseUp because the specs don't say and that's what IE does
+ auto* lastClickedPoint = static_cast<CSSIntPoint*>(
+ mContent->GetProperty(nsGkAtoms::imageClickedPoint));
+ if (lastClickedPoint) {
+ // normally lastClickedPoint is not null, as it's allocated in Init()
+ nsPoint pt = nsLayoutUtils::GetEventCoordinatesRelativeTo(
+ aEvent, RelativeTo{this});
+ *lastClickedPoint = TranslateEventCoords(pt);
+ }
+ }
+ return nsImageFrame::HandleEvent(aPresContext, aEvent, aEventStatus);
+}
+
+void nsImageControlFrame::SetFocus(bool aOn, bool aRepaint) {}
+
+Maybe<nsIFrame::Cursor> nsImageControlFrame::GetCursor(const nsPoint&) {
+ StyleCursorKind kind = StyleUI()->Cursor().keyword;
+ if (kind == StyleCursorKind::Auto) {
+ kind = StyleCursorKind::Pointer;
+ }
+ return Some(Cursor{kind, AllowCustomCursorImage::Yes});
+}
+
+nsresult nsImageControlFrame::SetFormProperty(nsAtom* aName,
+ const nsAString& aValue) {
+ return NS_OK;
+}