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comparison: layout/forms/nsFormControlFrame.h
layout/forms/nsFormControlFrame.h
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| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #ifndef nsFormControlFrame_h___ | |
| 7 #define nsFormControlFrame_h___ | |
| 8 | |
| 9 #include "mozilla/Attributes.h" | |
| 10 #include "nsIFormControlFrame.h" | |
| 11 #include "nsLeafFrame.h" | |
| 12 | |
| 13 /** | |
| 14 * nsFormControlFrame is the base class for radio buttons and | |
| 15 * checkboxes. It also has two static methods (RegUnRegAccessKey and | |
| 16 * GetScreenHeight) that are used by other form controls. | |
| 17 */ | |
| 18 class nsFormControlFrame : public nsLeafFrame, | |
| 19 public nsIFormControlFrame | |
| 20 { | |
| 21 public: | |
| 22 /** | |
| 23 * Main constructor | |
| 24 * @param aContent the content representing this frame | |
| 25 * @param aParentFrame the parent frame | |
| 26 */ | |
| 27 nsFormControlFrame(nsStyleContext*); | |
| 28 | |
| 29 virtual nsIAtom* GetType() const MOZ_OVERRIDE; | |
| 30 | |
| 31 virtual bool IsFrameOfType(uint32_t aFlags) const MOZ_OVERRIDE | |
| 32 { | |
| 33 return nsLeafFrame::IsFrameOfType(aFlags & | |
| 34 ~(nsIFrame::eReplaced | nsIFrame::eReplacedContainsBlock)); | |
| 35 } | |
| 36 | |
| 37 NS_DECL_QUERYFRAME | |
| 38 NS_DECL_FRAMEARENA_HELPERS | |
| 39 | |
| 40 /** | |
| 41 * Respond to a gui event | |
| 42 * @see nsIFrame::HandleEvent | |
| 43 */ | |
| 44 virtual nsresult HandleEvent(nsPresContext* aPresContext, | |
| 45 mozilla::WidgetGUIEvent* aEvent, | |
| 46 nsEventStatus* aEventStatus) MOZ_OVERRIDE; | |
| 47 | |
| 48 virtual nscoord GetBaseline() const MOZ_OVERRIDE; | |
| 49 | |
| 50 /** | |
| 51 * Respond to the request to resize and/or reflow | |
| 52 * @see nsIFrame::Reflow | |
| 53 */ | |
| 54 virtual nsresult Reflow(nsPresContext* aCX, | |
| 55 nsHTMLReflowMetrics& aDesiredSize, | |
| 56 const nsHTMLReflowState& aReflowState, | |
| 57 nsReflowStatus& aStatus) MOZ_OVERRIDE; | |
| 58 | |
| 59 virtual void DestroyFrom(nsIFrame* aDestructRoot) MOZ_OVERRIDE; | |
| 60 | |
| 61 // new behavior | |
| 62 | |
| 63 virtual void SetFocus(bool aOn = true, bool aRepaint = false) MOZ_OVERRIDE; | |
| 64 | |
| 65 // nsIFormControlFrame | |
| 66 virtual nsresult SetFormProperty(nsIAtom* aName, const nsAString& aValue) MOZ_OVERRIDE; | |
| 67 | |
| 68 // AccessKey Helper function | |
| 69 static nsresult RegUnRegAccessKey(nsIFrame * aFrame, bool aDoReg); | |
| 70 | |
| 71 /** | |
| 72 * Returns the usable screen rect in app units, eg the rect where we can | |
| 73 * draw dropdowns. | |
| 74 */ | |
| 75 static nsRect GetUsableScreenRect(nsPresContext* aPresContext); | |
| 76 | |
| 77 protected: | |
| 78 | |
| 79 virtual ~nsFormControlFrame(); | |
| 80 | |
| 81 virtual nscoord GetIntrinsicWidth() MOZ_OVERRIDE; | |
| 82 virtual nscoord GetIntrinsicHeight() MOZ_OVERRIDE; | |
| 83 | |
| 84 // | |
| 85 //------------------------------------------------------------------------------------- | |
| 86 // Utility methods for managing checkboxes and radiobuttons | |
| 87 //------------------------------------------------------------------------------------- | |
| 88 // | |
| 89 /** | |
| 90 * Get the state of the checked attribute. | |
| 91 * @param aState set to true if the checked attribute is set, | |
| 92 * false if the checked attribute has been removed | |
| 93 */ | |
| 94 | |
| 95 void GetCurrentCheckState(bool* aState); | |
| 96 }; | |
| 97 | |
| 98 #endif | |
| 99 |
