зеркало из https://github.com/mozilla/gecko-dev.git
308 строки
9.0 KiB
C++
308 строки
9.0 KiB
C++
/* -*- 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/. */
|
|
#ifndef nsIFormControl_h___
|
|
#define nsIFormControl_h___
|
|
|
|
#include "mozilla/EventForwards.h"
|
|
#include "nsISupports.h"
|
|
|
|
class nsIDOMHTMLFormElement;
|
|
class nsPresState;
|
|
class nsFormSubmission;
|
|
|
|
namespace mozilla {
|
|
namespace dom {
|
|
class Element;
|
|
class HTMLFieldSetElement;
|
|
} // namespace dom
|
|
} // namespace mozilla
|
|
|
|
enum FormControlsTypes {
|
|
NS_FORM_FIELDSET = 1,
|
|
NS_FORM_LABEL,
|
|
NS_FORM_OUTPUT,
|
|
NS_FORM_SELECT,
|
|
NS_FORM_TEXTAREA,
|
|
NS_FORM_OBJECT,
|
|
eFormControlsWithoutSubTypesMax,
|
|
// After this, all types will have sub-types which introduce new enum lists.
|
|
// eFormControlsWithoutSubTypesMax let us know if the previous types values
|
|
// are not overlapping with sub-types/masks.
|
|
|
|
// Elements with different types, the value is used as a mask.
|
|
// When changing the order, adding or removing elements, be sure to update
|
|
// the static_assert checks accordingly.
|
|
NS_FORM_BUTTON_ELEMENT = 0x40, // 0b01000000
|
|
NS_FORM_INPUT_ELEMENT = 0x80 // 0b10000000
|
|
};
|
|
|
|
enum ButtonElementTypes {
|
|
NS_FORM_BUTTON_BUTTON = NS_FORM_BUTTON_ELEMENT + 1,
|
|
NS_FORM_BUTTON_RESET,
|
|
NS_FORM_BUTTON_SUBMIT,
|
|
eButtonElementTypesMax
|
|
};
|
|
|
|
enum InputElementTypes {
|
|
NS_FORM_INPUT_BUTTON = NS_FORM_INPUT_ELEMENT + 1,
|
|
NS_FORM_INPUT_CHECKBOX,
|
|
NS_FORM_INPUT_COLOR,
|
|
NS_FORM_INPUT_DATE,
|
|
NS_FORM_INPUT_EMAIL,
|
|
NS_FORM_INPUT_FILE,
|
|
NS_FORM_INPUT_HIDDEN,
|
|
NS_FORM_INPUT_RESET,
|
|
NS_FORM_INPUT_IMAGE,
|
|
NS_FORM_INPUT_NUMBER,
|
|
NS_FORM_INPUT_PASSWORD,
|
|
NS_FORM_INPUT_RADIO,
|
|
NS_FORM_INPUT_SEARCH,
|
|
NS_FORM_INPUT_SUBMIT,
|
|
NS_FORM_INPUT_TEL,
|
|
NS_FORM_INPUT_TEXT,
|
|
NS_FORM_INPUT_TIME,
|
|
NS_FORM_INPUT_URL,
|
|
NS_FORM_INPUT_RANGE,
|
|
eInputElementTypesMax
|
|
};
|
|
|
|
static_assert(static_cast<uint32_t>(eFormControlsWithoutSubTypesMax) <
|
|
static_cast<uint32_t>(NS_FORM_BUTTON_ELEMENT),
|
|
"Too many FormControlsTypes without sub-types");
|
|
static_assert(static_cast<uint32_t>(eButtonElementTypesMax) <
|
|
static_cast<uint32_t>(NS_FORM_INPUT_ELEMENT),
|
|
"Too many ButtonElementTypes");
|
|
static_assert(static_cast<uint32_t>(eInputElementTypesMax) < 1<<8,
|
|
"Too many form control types");
|
|
|
|
#define NS_IFORMCONTROL_IID \
|
|
{ 0x4b89980c, 0x4dcd, 0x428f, \
|
|
{ 0xb7, 0xad, 0x43, 0x5b, 0x93, 0x29, 0x79, 0xec } }
|
|
|
|
/**
|
|
* Interface which all form controls (e.g. buttons, checkboxes, text,
|
|
* radio buttons, select, etc) implement in addition to their dom specific
|
|
* interface.
|
|
*/
|
|
class nsIFormControl : public nsISupports
|
|
{
|
|
public:
|
|
|
|
NS_DECLARE_STATIC_IID_ACCESSOR(NS_IFORMCONTROL_IID)
|
|
|
|
/**
|
|
* Get the fieldset for this form control.
|
|
* @return the fieldset
|
|
*/
|
|
virtual mozilla::dom::HTMLFieldSetElement *GetFieldSet() = 0;
|
|
|
|
/**
|
|
* Get the form for this form control.
|
|
* @return the form
|
|
*/
|
|
virtual mozilla::dom::Element *GetFormElement() = 0;
|
|
|
|
/**
|
|
* Set the form for this form control.
|
|
* @param aForm the form. This must not be null.
|
|
*
|
|
* @note that when setting the form the control is not added to the
|
|
* form. It adds itself when it gets bound to the tree thereafter,
|
|
* so that it can be properly sorted with the other controls in the
|
|
* form.
|
|
*/
|
|
virtual void SetForm(nsIDOMHTMLFormElement* aForm) = 0;
|
|
|
|
/**
|
|
* Tell the control to forget about its form.
|
|
*
|
|
* @param aRemoveFromForm set false if you do not want this element removed
|
|
* from the form. (Used by nsFormControlList::Clear())
|
|
*/
|
|
virtual void ClearForm(bool aRemoveFromForm) = 0;
|
|
|
|
/**
|
|
* Get the type of this control as an int (see NS_FORM_* above)
|
|
* @return the type of this control
|
|
*/
|
|
NS_IMETHOD_(uint32_t) GetType() const = 0 ;
|
|
|
|
/**
|
|
* Reset this form control (as it should be when the user clicks the Reset
|
|
* button)
|
|
*/
|
|
NS_IMETHOD Reset() = 0;
|
|
|
|
/**
|
|
* Tells the form control to submit its names and values to the form
|
|
* submission object
|
|
* @param aFormSubmission the form submission to notify of names/values/files
|
|
* to submit
|
|
*/
|
|
NS_IMETHOD SubmitNamesValues(nsFormSubmission* aFormSubmission) = 0;
|
|
|
|
/**
|
|
* Save to presentation state. The form control will determine whether it
|
|
* has anything to save and if so, create an entry in the layout history for
|
|
* its pres context.
|
|
*/
|
|
NS_IMETHOD SaveState() = 0;
|
|
|
|
/**
|
|
* Restore from presentation state. You pass in the presentation state for
|
|
* this form control (generated with GenerateStateKey() + "-C") and the form
|
|
* control will grab its state from there.
|
|
*
|
|
* @param aState the pres state to use to restore the control
|
|
* @return true if the form control was a checkbox and its
|
|
* checked state was restored, false otherwise.
|
|
*/
|
|
virtual bool RestoreState(nsPresState* aState) = 0;
|
|
|
|
virtual bool AllowDrop() = 0;
|
|
|
|
/**
|
|
* Returns whether this is a control which submits the form when activated by
|
|
* the user.
|
|
* @return whether this is a submit control.
|
|
*/
|
|
inline bool IsSubmitControl() const;
|
|
|
|
/**
|
|
* Returns whether this is a text control.
|
|
* @param aExcludePassword to have NS_FORM_INPUT_PASSWORD returning false.
|
|
* @return whether this is a text control.
|
|
*/
|
|
inline bool IsTextControl(bool aExcludePassword) const;
|
|
|
|
/**
|
|
* Returns true if this is a text control or a number control.
|
|
* @param aExcludePassword to have NS_FORM_INPUT_PASSWORD returning false.
|
|
* @return true if this is a text control or a number control.
|
|
*/
|
|
inline bool IsTextOrNumberControl(bool aExcludePassword) const;
|
|
|
|
/**
|
|
* Returns whether this is a single line text control.
|
|
* @param aExcludePassword to have NS_FORM_INPUT_PASSWORD returning false.
|
|
* @return whether this is a single line text control.
|
|
*/
|
|
inline bool IsSingleLineTextControl(bool aExcludePassword) const;
|
|
|
|
/**
|
|
* Returns whether this is a submittable form control.
|
|
* @return whether this is a submittable form control.
|
|
*/
|
|
inline bool IsSubmittableControl() const;
|
|
|
|
/**
|
|
* Returns whether this form control can have draggable children.
|
|
* @return whether this form control can have draggable children.
|
|
*/
|
|
inline bool AllowDraggableChildren() const;
|
|
|
|
virtual bool IsDisabledForEvents(mozilla::EventMessage aMessage)
|
|
{
|
|
return false;
|
|
}
|
|
protected:
|
|
|
|
/**
|
|
* Returns whether mType corresponds to a single line text control type.
|
|
* @param aExcludePassword to have NS_FORM_INPUT_PASSWORD ignored.
|
|
* @param aType the type to be tested.
|
|
* @return whether mType corresponds to a single line text control type.
|
|
*/
|
|
inline static bool IsSingleLineTextControl(bool aExcludePassword, uint32_t aType);
|
|
|
|
/**
|
|
* Returns whether this is a auto-focusable form control.
|
|
* @return whether this is a auto-focusable form control.
|
|
*/
|
|
inline bool IsAutofocusable() const;
|
|
};
|
|
|
|
bool
|
|
nsIFormControl::IsSubmitControl() const
|
|
{
|
|
uint32_t type = GetType();
|
|
return type == NS_FORM_INPUT_SUBMIT ||
|
|
type == NS_FORM_INPUT_IMAGE ||
|
|
type == NS_FORM_BUTTON_SUBMIT;
|
|
}
|
|
|
|
bool
|
|
nsIFormControl::IsTextControl(bool aExcludePassword) const
|
|
{
|
|
uint32_t type = GetType();
|
|
return type == NS_FORM_TEXTAREA ||
|
|
IsSingleLineTextControl(aExcludePassword, type);
|
|
}
|
|
|
|
bool
|
|
nsIFormControl::IsTextOrNumberControl(bool aExcludePassword) const
|
|
{
|
|
return IsTextControl(aExcludePassword) || GetType() == NS_FORM_INPUT_NUMBER;
|
|
}
|
|
|
|
bool
|
|
nsIFormControl::IsSingleLineTextControl(bool aExcludePassword) const
|
|
{
|
|
return IsSingleLineTextControl(aExcludePassword, GetType());
|
|
}
|
|
|
|
/*static*/
|
|
bool
|
|
nsIFormControl::IsSingleLineTextControl(bool aExcludePassword, uint32_t aType)
|
|
{
|
|
return aType == NS_FORM_INPUT_TEXT ||
|
|
aType == NS_FORM_INPUT_EMAIL ||
|
|
aType == NS_FORM_INPUT_SEARCH ||
|
|
aType == NS_FORM_INPUT_TEL ||
|
|
aType == NS_FORM_INPUT_URL ||
|
|
// TODO: those are temporary until bug 773205 is fixed.
|
|
aType == NS_FORM_INPUT_DATE ||
|
|
aType == NS_FORM_INPUT_TIME ||
|
|
(!aExcludePassword && aType == NS_FORM_INPUT_PASSWORD);
|
|
}
|
|
|
|
bool
|
|
nsIFormControl::IsSubmittableControl() const
|
|
{
|
|
// TODO: keygen should be in that list, see bug 101019.
|
|
uint32_t type = GetType();
|
|
return type == NS_FORM_OBJECT ||
|
|
type == NS_FORM_TEXTAREA ||
|
|
type == NS_FORM_SELECT ||
|
|
// type == NS_FORM_KEYGEN ||
|
|
type & NS_FORM_BUTTON_ELEMENT ||
|
|
type & NS_FORM_INPUT_ELEMENT;
|
|
}
|
|
|
|
bool
|
|
nsIFormControl::AllowDraggableChildren() const
|
|
{
|
|
uint32_t type = GetType();
|
|
return type == NS_FORM_OBJECT ||
|
|
type == NS_FORM_LABEL ||
|
|
type == NS_FORM_FIELDSET ||
|
|
type == NS_FORM_OUTPUT;
|
|
}
|
|
|
|
bool
|
|
nsIFormControl::IsAutofocusable() const
|
|
{
|
|
uint32_t type = GetType();
|
|
return type & NS_FORM_INPUT_ELEMENT ||
|
|
type & NS_FORM_BUTTON_ELEMENT ||
|
|
type == NS_FORM_TEXTAREA ||
|
|
type == NS_FORM_SELECT;
|
|
}
|
|
|
|
NS_DEFINE_STATIC_IID_ACCESSOR(nsIFormControl, NS_IFORMCONTROL_IID)
|
|
|
|
#endif /* nsIFormControl_h___ */
|