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-rw-r--r--layout/forms/nsImageControlFrame.cpp206
1 files changed, 206 insertions, 0 deletions
diff --git a/layout/forms/nsImageControlFrame.cpp b/layout/forms/nsImageControlFrame.cpp
new file mode 100644
index 000000000..212fa9356
--- /dev/null
+++ b/layout/forms/nsImageControlFrame.cpp
@@ -0,0 +1,206 @@
+/* -*- 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/. */
+
+#include "nsImageFrame.h"
+#include "nsIFormControlFrame.h"
+#include "nsPresContext.h"
+#include "nsGkAtoms.h"
+#include "nsStyleConsts.h"
+#include "nsFormControlFrame.h"
+#include "nsLayoutUtils.h"
+#include "mozilla/MouseEvents.h"
+#include "nsIContent.h"
+
+using namespace mozilla;
+
+class nsImageControlFrame : public nsImageFrame,
+ public nsIFormControlFrame
+{
+public:
+ explicit nsImageControlFrame(nsStyleContext* aContext);
+ ~nsImageControlFrame();
+
+ virtual void DestroyFrom(nsIFrame* aDestructRoot) override;
+ virtual void Init(nsIContent* aContent,
+ nsContainerFrame* aParent,
+ nsIFrame* aPrevInFlow) override;
+
+ NS_DECL_QUERYFRAME
+ NS_DECL_FRAMEARENA_HELPERS
+
+ virtual void Reflow(nsPresContext* aPresContext,
+ ReflowOutput& aDesiredSize,
+ const ReflowInput& aReflowInput,
+ nsReflowStatus& aStatus) override;
+
+ virtual nsresult HandleEvent(nsPresContext* aPresContext,
+ WidgetGUIEvent* aEvent,
+ nsEventStatus* aEventStatus) override;
+
+ virtual nsIAtom* GetType() const override;
+
+#ifdef ACCESSIBILITY
+ virtual mozilla::a11y::AccType AccessibleType() override;
+#endif
+
+#ifdef DEBUG_FRAME_DUMP
+ virtual nsresult GetFrameName(nsAString& aResult) const override {
+ return MakeFrameName(NS_LITERAL_STRING("ImageControl"), aResult);
+ }
+#endif
+
+ virtual nsresult GetCursor(const nsPoint& aPoint,
+ nsIFrame::Cursor& aCursor) override;
+ // nsIFormContromFrame
+ virtual void SetFocus(bool aOn, bool aRepaint) override;
+ virtual nsresult SetFormProperty(nsIAtom* aName,
+ const nsAString& aValue) override;
+};
+
+
+nsImageControlFrame::nsImageControlFrame(nsStyleContext* aContext)
+ : nsImageFrame(aContext)
+{
+}
+
+nsImageControlFrame::~nsImageControlFrame()
+{
+}
+
+void
+nsImageControlFrame::DestroyFrom(nsIFrame* aDestructRoot)
+{
+ if (!GetPrevInFlow()) {
+ nsFormControlFrame::RegUnRegAccessKey(this, false);
+ }
+ nsImageFrame::DestroyFrom(aDestructRoot);
+}
+
+nsIFrame*
+NS_NewImageControlFrame(nsIPresShell* aPresShell, nsStyleContext* aContext)
+{
+ return new (aPresShell) nsImageControlFrame(aContext);
+}
+
+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 nsIntPoint(0, 0),
+ nsINode::DeleteProperty<nsIntPoint>);
+}
+
+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
+
+nsIAtom*
+nsImageControlFrame::GetType() const
+{
+ return nsGkAtoms::imageControlFrame;
+}
+
+void
+nsImageControlFrame::Reflow(nsPresContext* aPresContext,
+ ReflowOutput& aDesiredSize,
+ const ReflowInput& aReflowInput,
+ nsReflowStatus& aStatus)
+{
+ DO_GLOBAL_REFLOW_COUNT("nsImageControlFrame");
+ DISPLAY_REFLOW(aPresContext, this, aReflowInput, aDesiredSize, aStatus);
+ if (!GetPrevInFlow() && (mState & NS_FRAME_FIRST_REFLOW)) {
+ nsFormControlFrame::RegUnRegAccessKey(this, true);
+ }
+ 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;
+ }
+
+ // do we have user-input style?
+ const nsStyleUserInterface* uiStyle = StyleUserInterface();
+ if (uiStyle->mUserInput == StyleUserInput::None ||
+ uiStyle->mUserInput == StyleUserInput::Disabled) {
+ return nsFrame::HandleEvent(aPresContext, aEvent, aEventStatus);
+ }
+ if (mContent->HasAttr(kNameSpaceID_None, nsGkAtoms::disabled)) { // XXX cache disabled
+ return NS_OK;
+ }
+
+ *aEventStatus = nsEventStatus_eIgnore;
+
+ if (aEvent->mMessage == eMouseUp &&
+ aEvent->AsMouseEvent()->button == WidgetMouseEvent::eLeftButton) {
+ // Store click point for HTMLInputElement::SubmitNamesValues
+ // Do this on MouseUp because the specs don't say and that's what IE does
+ nsIntPoint* lastClickPoint =
+ static_cast<nsIntPoint*>
+ (mContent->GetProperty(nsGkAtoms::imageClickedPoint));
+ if (lastClickPoint) {
+ // normally lastClickedPoint is not null, as it's allocated in Init()
+ nsPoint pt = nsLayoutUtils::GetEventCoordinatesRelativeTo(aEvent, this);
+ TranslateEventCoords(pt, *lastClickPoint);
+ }
+ }
+ return nsImageFrame::HandleEvent(aPresContext, aEvent, aEventStatus);
+}
+
+void
+nsImageControlFrame::SetFocus(bool aOn, bool aRepaint)
+{
+}
+
+nsresult
+nsImageControlFrame::GetCursor(const nsPoint& aPoint,
+ nsIFrame::Cursor& aCursor)
+{
+ // Use style defined cursor if one is provided, otherwise when
+ // the cursor style is "auto" we use the pointer cursor.
+ FillCursorInformationFromStyle(StyleUserInterface(), aCursor);
+
+ if (NS_STYLE_CURSOR_AUTO == aCursor.mCursor) {
+ aCursor.mCursor = NS_STYLE_CURSOR_POINTER;
+ }
+
+ return NS_OK;
+}
+
+nsresult
+nsImageControlFrame::SetFormProperty(nsIAtom* aName,
+ const nsAString& aValue)
+{
+ return NS_OK;
+}