Add m-esr52 at 52.6.0

1 files changed, 216 insertions, 0 deletions

diff --git a/layout/forms/nsNumberControlFrame.h b/layout/forms/nsNumberControlFrame.h
new file mode 100644
index 000000000..47e32ad65
--- /dev/null
+++ b/layout/forms/nsNumberControlFrame.h
@@ -0,0 +1,216 @@
+/* -*- 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/. */
+
+#ifndef nsNumberControlFrame_h__
+#define nsNumberControlFrame_h__
+
+#include "mozilla/Attributes.h"
+#include "nsContainerFrame.h"
+#include "nsIFormControlFrame.h"
+#include "nsIAnonymousContentCreator.h"
+#include "nsCOMPtr.h"
+
+class nsITextControlFrame;
+class nsPresContext;
+
+namespace mozilla {
+enum class CSSPseudoElementType : uint8_t;
+class WidgetEvent;
+class WidgetGUIEvent;
+namespace dom {
+class HTMLInputElement;
+} // namespace dom
+} // namespace mozilla
+
+/**
+ * This frame type is used for <input type=number>.
+ */
+class nsNumberControlFrame final : public nsContainerFrame
+                                 , public nsIAnonymousContentCreator
+                                 , public nsIFormControlFrame
+{
+  friend nsIFrame*
+  NS_NewNumberControlFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
+
+  typedef mozilla::CSSPseudoElementType CSSPseudoElementType;
+  typedef mozilla::dom::Element Element;
+  typedef mozilla::dom::HTMLInputElement HTMLInputElement;
+  typedef mozilla::WidgetEvent WidgetEvent;
+  typedef mozilla::WidgetGUIEvent WidgetGUIEvent;
+
+  explicit nsNumberControlFrame(nsStyleContext* aContext);
+
+public:
+  NS_DECL_QUERYFRAME_TARGET(nsNumberControlFrame)
+  NS_DECL_QUERYFRAME
+  NS_DECL_FRAMEARENA_HELPERS
+
+  virtual void DestroyFrom(nsIFrame* aDestructRoot) override;
+  virtual void ContentStatesChanged(mozilla::EventStates aStates) override;
+  virtual bool IsLeaf() const override { return true; }
+
+#ifdef ACCESSIBILITY
+  virtual mozilla::a11y::AccType AccessibleType() override;
+#endif
+
+  virtual nscoord GetMinISize(nsRenderingContext* aRenderingContext) override;
+
+  virtual nscoord GetPrefISize(nsRenderingContext* aRenderingContext) override;
+
+  virtual void Reflow(nsPresContext*           aPresContext,
+                      ReflowOutput&     aDesiredSize,
+                      const ReflowInput& aReflowInput,
+                      nsReflowStatus&          aStatus) override;
+
+  virtual nsresult AttributeChanged(int32_t  aNameSpaceID,
+                                    nsIAtom* aAttribute,
+                                    int32_t  aModType) override;
+
+  // nsIAnonymousContentCreator
+  virtual nsresult CreateAnonymousContent(nsTArray<ContentInfo>& aElements) override;
+  virtual void AppendAnonymousContentTo(nsTArray<nsIContent*>& aElements,
+                                        uint32_t aFilter) override;
+
+#ifdef DEBUG_FRAME_DUMP
+  virtual nsresult GetFrameName(nsAString& aResult) const override {
+    return MakeFrameName(NS_LITERAL_STRING("NumberControl"), aResult);
+  }
+#endif
+
+  virtual nsIAtom* GetType() const override;
+
+  virtual bool IsFrameOfType(uint32_t aFlags) const override
+  {
+    return nsContainerFrame::IsFrameOfType(aFlags &
+      ~(nsIFrame::eReplaced | nsIFrame::eReplacedContainsBlock));
+  }
+
+  // nsIFormControlFrame
+  virtual void SetFocus(bool aOn, bool aRepaint) override;
+  virtual nsresult SetFormProperty(nsIAtom* aName, const nsAString& aValue) override;
+
+  /**
+   * This method attempts to localizes aValue and then sets the result as the
+   * value of our anonymous text control. It's called when our
+   * HTMLInputElement's value changes, when we need to sync up the value
+   * displayed in our anonymous text control.
+   */
+  void SetValueOfAnonTextControl(const nsAString& aValue);
+
+  /**
+   * This method gets the string value of our anonymous text control,
+   * attempts to normalizes (de-localizes) it, then sets the outparam aValue to
+   * the result. It's called when user input changes the text value of our
+   * anonymous text control so that we can sync up the internal value of our
+   * HTMLInputElement.
+   */
+  void GetValueOfAnonTextControl(nsAString& aValue);
+
+  bool AnonTextControlIsEmpty();
+
+  /**
+   * Called to notify this frame that its HTMLInputElement is currently
+   * processing a DOM 'input' event.
+   */
+  void HandlingInputEvent(bool aHandlingEvent)
+  {
+    mHandlingInputEvent = aHandlingEvent;
+  }
+
+  HTMLInputElement* GetAnonTextControl();
+
+  /**
+   * If the frame is the frame for an nsNumberControlFrame's anonymous text
+   * field, returns the nsNumberControlFrame. Else returns nullptr.
+   */
+  static nsNumberControlFrame* GetNumberControlFrameForTextField(nsIFrame* aFrame);
+
+  /**
+   * If the frame is the frame for an nsNumberControlFrame's up or down spin
+   * button, returns the nsNumberControlFrame. Else returns nullptr.
+   */
+  static nsNumberControlFrame* GetNumberControlFrameForSpinButton(nsIFrame* aFrame);
+
+  enum SpinButtonEnum {
+    eSpinButtonNone,
+    eSpinButtonUp,
+    eSpinButtonDown
+  };
+
+  /**
+   * Returns one of the SpinButtonEnum values to depending on whether the
+   * pointer event is over the spin-up button, the spin-down button, or
+   * neither.
+   */
+  int32_t GetSpinButtonForPointerEvent(WidgetGUIEvent* aEvent) const;
+
+  void SpinnerStateChanged() const;
+
+  bool SpinnerUpButtonIsDepressed() const;
+  bool SpinnerDownButtonIsDepressed() const;
+
+  bool IsFocused() const;
+
+  void HandleFocusEvent(WidgetEvent* aEvent);
+
+  /**
+   * Our element had HTMLInputElement::Select() called on it.
+   */
+  nsresult HandleSelectCall();
+
+  virtual Element* GetPseudoElement(CSSPseudoElementType aType) override;
+
+  bool ShouldUseNativeStyleForSpinner() const;
+
+private:
+
+  nsITextControlFrame* GetTextFieldFrame();
+  nsresult MakeAnonymousElement(Element** aResult,
+                                nsTArray<ContentInfo>& aElements,
+                                nsIAtom* aTagName,
+                                CSSPseudoElementType aPseudoType,
+                                nsStyleContext* aParentContext);
+
+  class SyncDisabledStateEvent;
+  friend class SyncDisabledStateEvent;
+  class SyncDisabledStateEvent : public mozilla::Runnable
+  {
+  public:
+    explicit SyncDisabledStateEvent(nsNumberControlFrame* aFrame)
+    : mFrame(aFrame)
+    {}
+
+    NS_IMETHOD Run() override
+    {
+      nsNumberControlFrame* frame =
+        static_cast<nsNumberControlFrame*>(mFrame.GetFrame());
+      NS_ENSURE_STATE(frame);
+
+      frame->SyncDisabledState();
+      return NS_OK;
+    }
+
+  private:
+    nsWeakFrame mFrame;
+  };
+
+  /**
+   * Sync the disabled state of the anonymous children up with our content's.
+   */
+  void SyncDisabledState();
+
+  /**
+   * The text field used to edit and show the number.
+   * @see nsNumberControlFrame::CreateAnonymousContent.
+   */
+  nsCOMPtr<Element> mOuterWrapper;
+  nsCOMPtr<Element> mTextField;
+  nsCOMPtr<Element> mSpinBox;
+  nsCOMPtr<Element> mSpinUp;
+  nsCOMPtr<Element> mSpinDown;
+  bool mHandlingInputEvent;
+};
+
+#endif // nsNumberControlFrame_h__