1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/layout/forms/nsNumberControlFrame.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,242 @@
1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#ifndef nsNumberControlFrame_h__
1.10 +#define nsNumberControlFrame_h__
1.11 +
1.12 +#include "mozilla/Attributes.h"
1.13 +#include "nsContainerFrame.h"
1.14 +#include "nsIFormControlFrame.h"
1.15 +#include "nsITextControlFrame.h"
1.16 +#include "nsIAnonymousContentCreator.h"
1.17 +#include "nsCOMPtr.h"
1.18 +
1.19 +class nsPresContext;
1.20 +
1.21 +namespace mozilla {
1.22 +class WidgetEvent;
1.23 +class WidgetGUIEvent;
1.24 +namespace dom {
1.25 +class HTMLInputElement;
1.26 +}
1.27 +}
1.28 +
1.29 +/**
1.30 + * This frame type is used for <input type=number>.
1.31 + */
1.32 +class nsNumberControlFrame MOZ_FINAL : public nsContainerFrame
1.33 + , public nsIAnonymousContentCreator
1.34 + , public nsITextControlFrame
1.35 +{
1.36 + friend nsIFrame*
1.37 + NS_NewNumberControlFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
1.38 +
1.39 + typedef mozilla::dom::Element Element;
1.40 + typedef mozilla::dom::HTMLInputElement HTMLInputElement;
1.41 + typedef mozilla::WidgetEvent WidgetEvent;
1.42 + typedef mozilla::WidgetGUIEvent WidgetGUIEvent;
1.43 +
1.44 + nsNumberControlFrame(nsStyleContext* aContext);
1.45 +
1.46 +public:
1.47 + NS_DECL_QUERYFRAME_TARGET(nsNumberControlFrame)
1.48 + NS_DECL_QUERYFRAME
1.49 + NS_DECL_FRAMEARENA_HELPERS
1.50 +
1.51 + virtual void DestroyFrom(nsIFrame* aDestructRoot) MOZ_OVERRIDE;
1.52 + virtual void ContentStatesChanged(mozilla::EventStates aStates) MOZ_OVERRIDE;
1.53 + virtual bool IsLeaf() const MOZ_OVERRIDE { return true; }
1.54 +
1.55 +#ifdef ACCESSIBILITY
1.56 + virtual mozilla::a11y::AccType AccessibleType() MOZ_OVERRIDE;
1.57 +#endif
1.58 +
1.59 + virtual nscoord GetMinWidth(nsRenderingContext* aRenderingContext) MOZ_OVERRIDE;
1.60 +
1.61 + virtual nscoord GetPrefWidth(nsRenderingContext* aRenderingContext) MOZ_OVERRIDE;
1.62 +
1.63 + virtual nsresult Reflow(nsPresContext* aPresContext,
1.64 + nsHTMLReflowMetrics& aDesiredSize,
1.65 + const nsHTMLReflowState& aReflowState,
1.66 + nsReflowStatus& aStatus) MOZ_OVERRIDE;
1.67 +
1.68 + virtual nsresult AttributeChanged(int32_t aNameSpaceID,
1.69 + nsIAtom* aAttribute,
1.70 + int32_t aModType) MOZ_OVERRIDE;
1.71 +
1.72 + // nsIAnonymousContentCreator
1.73 + virtual nsresult CreateAnonymousContent(nsTArray<ContentInfo>& aElements) MOZ_OVERRIDE;
1.74 + virtual void AppendAnonymousContentTo(nsBaseContentList& aElements,
1.75 + uint32_t aFilter) MOZ_OVERRIDE;
1.76 +
1.77 +#ifdef DEBUG_FRAME_DUMP
1.78 + virtual nsresult GetFrameName(nsAString& aResult) const MOZ_OVERRIDE {
1.79 + return MakeFrameName(NS_LITERAL_STRING("NumberControl"), aResult);
1.80 + }
1.81 +#endif
1.82 +
1.83 + virtual nsIAtom* GetType() const MOZ_OVERRIDE;
1.84 +
1.85 + virtual bool IsFrameOfType(uint32_t aFlags) const MOZ_OVERRIDE
1.86 + {
1.87 + return nsContainerFrame::IsFrameOfType(aFlags &
1.88 + ~(nsIFrame::eReplaced | nsIFrame::eReplacedContainsBlock));
1.89 + }
1.90 +
1.91 + // nsITextControlFrame
1.92 + NS_IMETHOD GetEditor(nsIEditor **aEditor) MOZ_OVERRIDE;
1.93 +
1.94 + NS_IMETHOD SetSelectionStart(int32_t aSelectionStart) MOZ_OVERRIDE;
1.95 + NS_IMETHOD SetSelectionEnd(int32_t aSelectionEnd) MOZ_OVERRIDE;
1.96 +
1.97 + NS_IMETHOD SetSelectionRange(int32_t aSelectionStart,
1.98 + int32_t aSelectionEnd,
1.99 + SelectionDirection aDirection = eNone) MOZ_OVERRIDE;
1.100 +
1.101 + NS_IMETHOD GetSelectionRange(int32_t* aSelectionStart,
1.102 + int32_t* aSelectionEnd,
1.103 + SelectionDirection* aDirection = nullptr) MOZ_OVERRIDE;
1.104 +
1.105 + NS_IMETHOD GetOwnedSelectionController(nsISelectionController** aSelCon) MOZ_OVERRIDE;
1.106 + virtual nsFrameSelection* GetOwnedFrameSelection() MOZ_OVERRIDE;
1.107 +
1.108 + virtual nsresult GetPhonetic(nsAString& aPhonetic) MOZ_OVERRIDE;
1.109 +
1.110 + /**
1.111 + * Ensure mEditor is initialized with the proper flags and the default value.
1.112 + * @throws NS_ERROR_NOT_INITIALIZED if mEditor has not been created
1.113 + * @throws various and sundry other things
1.114 + */
1.115 + virtual nsresult EnsureEditorInitialized() MOZ_OVERRIDE;
1.116 +
1.117 + virtual nsresult ScrollSelectionIntoView() MOZ_OVERRIDE;
1.118 +
1.119 + // nsIFormControlFrame
1.120 + virtual void SetFocus(bool aOn, bool aRepaint) MOZ_OVERRIDE;
1.121 + virtual nsresult SetFormProperty(nsIAtom* aName, const nsAString& aValue) MOZ_OVERRIDE;
1.122 +
1.123 + /**
1.124 + * This method attempts to localizes aValue and then sets the result as the
1.125 + * value of our anonymous text control. It's called when our
1.126 + * HTMLInputElement's value changes, when we need to sync up the value
1.127 + * displayed in our anonymous text control.
1.128 + */
1.129 + void SetValueOfAnonTextControl(const nsAString& aValue);
1.130 +
1.131 + /**
1.132 + * This method gets the string value of our anonymous text control,
1.133 + * attempts to normalizes (de-localizes) it, then sets the outparam aValue to
1.134 + * the result. It's called when user input changes the text value of our
1.135 + * anonymous text control so that we can sync up the internal value of our
1.136 + * HTMLInputElement.
1.137 + */
1.138 + void GetValueOfAnonTextControl(nsAString& aValue);
1.139 +
1.140 + bool AnonTextControlIsEmpty();
1.141 +
1.142 + /**
1.143 + * Called to notify this frame that its HTMLInputElement is currently
1.144 + * processing a DOM 'input' event.
1.145 + */
1.146 + void HandlingInputEvent(bool aHandlingEvent)
1.147 + {
1.148 + mHandlingInputEvent = aHandlingEvent;
1.149 + }
1.150 +
1.151 + HTMLInputElement* GetAnonTextControl();
1.152 +
1.153 + /**
1.154 + * If the frame is the frame for an nsNumberControlFrame's anonymous text
1.155 + * field, returns the nsNumberControlFrame. Else returns nullptr.
1.156 + */
1.157 + static nsNumberControlFrame* GetNumberControlFrameForTextField(nsIFrame* aFrame);
1.158 +
1.159 + /**
1.160 + * If the frame is the frame for an nsNumberControlFrame's up or down spin
1.161 + * button, returns the nsNumberControlFrame. Else returns nullptr.
1.162 + */
1.163 + static nsNumberControlFrame* GetNumberControlFrameForSpinButton(nsIFrame* aFrame);
1.164 +
1.165 + enum SpinButtonEnum {
1.166 + eSpinButtonNone,
1.167 + eSpinButtonUp,
1.168 + eSpinButtonDown
1.169 + };
1.170 +
1.171 + /**
1.172 + * Returns one of the SpinButtonEnum values to depending on whether the
1.173 + * pointer event is over the spin-up button, the spin-down button, or
1.174 + * neither.
1.175 + */
1.176 + int32_t GetSpinButtonForPointerEvent(WidgetGUIEvent* aEvent) const;
1.177 +
1.178 + void SpinnerStateChanged() const;
1.179 +
1.180 + bool SpinnerUpButtonIsDepressed() const;
1.181 + bool SpinnerDownButtonIsDepressed() const;
1.182 +
1.183 + bool IsFocused() const;
1.184 +
1.185 + void HandleFocusEvent(WidgetEvent* aEvent);
1.186 +
1.187 + /**
1.188 + * Our element had HTMLInputElement::Select() called on it.
1.189 + */
1.190 + nsresult HandleSelectCall();
1.191 +
1.192 + virtual Element* GetPseudoElement(nsCSSPseudoElements::Type aType) MOZ_OVERRIDE;
1.193 +
1.194 + bool ShouldUseNativeStyleForSpinner() const;
1.195 +
1.196 +private:
1.197 +
1.198 + nsITextControlFrame* GetTextFieldFrame();
1.199 + nsresult MakeAnonymousElement(Element** aResult,
1.200 + nsTArray<ContentInfo>& aElements,
1.201 + nsIAtom* aTagName,
1.202 + nsCSSPseudoElements::Type aPseudoType,
1.203 + nsStyleContext* aParentContext);
1.204 +
1.205 + class SyncDisabledStateEvent;
1.206 + friend class SyncDisabledStateEvent;
1.207 + class SyncDisabledStateEvent : public nsRunnable
1.208 + {
1.209 + public:
1.210 + SyncDisabledStateEvent(nsNumberControlFrame* aFrame)
1.211 + : mFrame(aFrame)
1.212 + {}
1.213 +
1.214 + NS_IMETHOD Run() MOZ_OVERRIDE
1.215 + {
1.216 + nsNumberControlFrame* frame =
1.217 + static_cast<nsNumberControlFrame*>(mFrame.GetFrame());
1.218 + NS_ENSURE_STATE(frame);
1.219 +
1.220 + frame->SyncDisabledState();
1.221 + return NS_OK;
1.222 + }
1.223 +
1.224 + private:
1.225 + nsWeakFrame mFrame;
1.226 + };
1.227 +
1.228 + /**
1.229 + * Sync the disabled state of the anonymous children up with our content's.
1.230 + */
1.231 + void SyncDisabledState();
1.232 +
1.233 + /**
1.234 + * The text field used to edit and show the number.
1.235 + * @see nsNumberControlFrame::CreateAnonymousContent.
1.236 + */
1.237 + nsCOMPtr<Element> mOuterWrapper;
1.238 + nsCOMPtr<Element> mTextField;
1.239 + nsCOMPtr<Element> mSpinBox;
1.240 + nsCOMPtr<Element> mSpinUp;
1.241 + nsCOMPtr<Element> mSpinDown;
1.242 + bool mHandlingInputEvent;
1.243 +};
1.244 +
1.245 +#endif // nsNumberControlFrame_h__
