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/* -*- Mode: IDL; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* 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 "nsISelectionDisplay.idl"
%{C++
typedef short SelectionRegion;
namespace mozilla {
namespace dom {
class Selection;
} // namespace dom
} // namespace mozilla
%}
interface nsIContent;
interface nsISelectionDisplay;
webidl Node;
webidl Selection;
[builtinclass, scriptable, uuid(3801c9d4-8e69-4bfc-9edb-b58278621f8f)]
interface nsISelectionController : nsISelectionDisplay
{
// Begin of RawSelectionType values.
const short SELECTION_NONE = 0;
// Corresponds to the Selection exposed via window.getSelection() and
// document.getSelection().
const short SELECTION_NORMAL = 1;
// Corresponds to the Selection used for spellchecking in <textarea>s and
// "contentEditable" elements.
const short SELECTION_SPELLCHECK = 2;
const short SELECTION_IME_RAWINPUT = 3;
const short SELECTION_IME_SELECTEDRAWTEXT = 4;
const short SELECTION_IME_CONVERTEDTEXT = 5;
const short SELECTION_IME_SELECTEDCONVERTEDTEXT = 6;
// For accessibility API usage
const short SELECTION_ACCESSIBILITY = 7;
const short SELECTION_FIND = 8;
const short SELECTION_URLSECONDARY = 9;
const short SELECTION_URLSTRIKEOUT = 10;
// End of RawSelectionType values.
const short NUM_SELECTIONTYPES = 11;
// SelectionRegion values:
const short SELECTION_ANCHOR_REGION = 0;
const short SELECTION_FOCUS_REGION = 1;
const short SELECTION_WHOLE_SELECTION = 2;
const short NUM_SELECTION_REGIONS = 3;
const short SELECTION_OFF = 0;
const short SELECTION_HIDDEN =1;//>HIDDEN displays selection
const short SELECTION_ON = 2;
const short SELECTION_DISABLED = 3;
const short SELECTION_ATTENTION = 4;
/**
* SetDisplaySelection will set the display mode for the selection. OFF,ON,DISABLED
*/
void setDisplaySelection(in short toggle);
/**
* GetDisplaySelection will get the display mode for the selection. OFF,ON,DISABLED
*/
short getDisplaySelection();
/**
* GetSelection will return the selection that the presentation
* shell may implement.
*
* @param aType This will hold the type of selection. This value must be one
* of RawSelectionType values.
* @param _return will hold the return value
*/
[binaryname(GetSelectionFromScript)]
Selection getSelection(in short type);
/**
* Return the selection object corresponding to a selection type.
*/
[noscript,nostdcall,notxpcom,binaryname(GetSelection)]
Selection getDOMSelection(in short aType);
/**
* Called when the selection controller should take the focus.
*
* This will take care to hide the previously-focused selection, show this
* selection, and repaint both.
*/
[noscript,nostdcall,notxpcom]
void selectionWillTakeFocus();
/**
* Called when the selection controller has lost the focus.
*
* This will take care to hide and repaint the selection.
*/
[noscript,nostdcall,notxpcom]
void selectionWillLoseFocus();
const short SCROLL_SYNCHRONOUS = 1<<1;
const short SCROLL_FIRST_ANCESTOR_ONLY = 1<<2;
const short SCROLL_CENTER_VERTICALLY = 1<<4;
const short SCROLL_OVERFLOW_HIDDEN = 1<<5;
const short SCROLL_FOR_CARET_MOVE = 1<<6;
/**
* ScrollSelectionIntoView scrolls a region of the selection,
* so that it is visible in the scrolled view.
*
* @param aType the selection to scroll into view. This value must be one
* of RawSelectionType values.
* @param aRegion the region inside the selection to scroll into view. //SelectionRegion
* @param aFlags the scroll flags. Valid bits include:
* SCROLL_SYNCHRONOUS: when set, scrolls the selection into view
* before returning. If not set, posts a request which is processed
* at some point after the method returns.
* SCROLL_FIRST_ANCESTOR_ONLY: if set, only the first ancestor will be scrolled
* into view.
* SCROLL_OVERFLOW_HIDDEN: if set, scrolls even if the overflow is specified
* as hidden.
* SCROLL_FOR_CARET_MOVE: set to indicate whether scrolling is in response
* to the caret being moved. Does not affect behavior (used for telemetry
* purposes only).
*
* Note that if isSynchronous is true, then this might flush the pending
* reflow. It's dangerous for some objects. See bug 418470 comment 12.
*/
void scrollSelectionIntoView(in short type, in short region, in short flags);
/**
* RepaintSelection repaints the selection specified by aType.
*
* @param aType specifies the selection to repaint.
*/
void repaintSelection(in short type);
/**
* Set the caret as enabled or disabled. An enabled caret will
* draw or blink when made visible. A disabled caret will never show up.
* Can be called any time.
* @param aEnable PR_TRUE to enable caret. PR_FALSE to disable.
* @return always NS_OK
*/
void setCaretEnabled(in boolean enabled);
/**
* Set the caret readonly or not. An readonly caret will
* draw but not blink when made visible.
* @param aReadOnly PR_TRUE to enable caret. PR_FALSE to disable.
* @return always NS_OK
*/
void setCaretReadOnly(in boolean readOnly);
/**
* Gets the current state of the caret.
* @param aEnabled [OUT] set to the current caret state, as set by SetCaretEnabled
* @return if aOutEnabled==null, returns NS_ERROR_INVALID_ARG
* else NS_OK
*/
boolean getCaretEnabled();
/**
* This is true if the caret is enabled, visible, and currently blinking.
* This is still true when the caret is enabled, visible, but in its "off"
* blink cycle.
*/
readonly attribute boolean caretVisible;
/**
* Show the caret even in selections. By default the caret is hidden unless the
* selection is collapsed. Use this function to show the caret even in selections.
* @param aVisibility PR_TRUE to show the caret in selections. PR_FALSE to hide.
* @return always NS_OK
*/
void setCaretVisibilityDuringSelection(in boolean visibility);
/** CharacterMove will move the selection one character forward/backward in the document.
* this will also have the effect of collapsing the selection if the aExtend = PR_FALSE
* the "point" of selection that is extended is considered the "focus" point.
* or the last point adjusted by the selection.
* @param aForward forward or backward if PR_FALSE
* @param aExtend should it collapse the selection of extend it?
*/
void characterMove(in boolean forward, in boolean extend);
/** PhysicalMove will move the selection one "unit" in a given direction
* within the document.
* this will also have the effect of collapsing the selection if the aExtend = PR_FALSE
* the "point" of selection that is extended is considered the "focus" point.
* or the last point adjusted by the selection.
* @param aDirection
* @param aAmount character/line; word/lineBoundary
* @param aExtend should it collapse the selection of extend it?
*/
void physicalMove(in short direction, in short amount, in boolean extend);
/**
* nsFrameSelection::PhysicalMove depends on the ordering of these values;
* do not change without checking there!
*/
const short MOVE_LEFT = 0;
const short MOVE_RIGHT = 1;
const short MOVE_UP = 2;
const short MOVE_DOWN = 3;
/** WordMove will move the selection one word forward/backward in the document.
* this will also have the effect of collapsing the selection if the aExtend = PR_FALSE
* the "point" of selection that is extended is considered the "focus" point.
* or the last point adjusted by the selection.
* @param aForward forward or backward if PR_FALSE
* @param aExtend should it collapse the selection of extend it?
*/
void wordMove(in boolean forward, in boolean extend);
/** LineMove will move the selection one line forward/backward in the document.
* this will also have the effect of collapsing the selection if the aExtend = PR_FALSE
* the "point" of selection that is extended is considered the "focus" point.
* or the last point adjusted by the selection.
* @param aForward forward or backward if PR_FALSE
* @param aExtend should it collapse the selection of extend it?
*/
void lineMove(in boolean forward, in boolean extend);
/** IntraLineMove will move the selection to the front of the line or end of the line
* in the document.
* this will also have the effect of collapsing the selection if the aExtend = PR_FALSE
* the "point" of selection that is extended is considered the "focus" point.
* or the last point adjusted by the selection.
* @param aForward forward or backward if PR_FALSE
* @param aExtend should it collapse the selection of extend it?
*/
void intraLineMove(in boolean forward, in boolean extend);
/** PageMove will move the selection one page forward/backward in the document.
* this will also have the effect of collapsing the selection if the aExtend = PR_FALSE
* the "point" of selection that is extended is considered the "focus" point.
* or the last point adjusted by the selection.
* @param aForward forward or backward if PR_FALSE
* @param aExtend should it collapse the selection of extend it?
*/
[can_run_script]
void pageMove(in boolean forward, in boolean extend);
/** CompleteScroll will move page view to the top or bottom of the document
* @param aForward forward or backward if PR_FALSE
*/
void completeScroll(in boolean forward);
/** CompleteMove will move page view to the top or bottom of the document
* this will also have the effect of collapsing the selection if the aExtend = PR_FALSE
* the "point" of selection that is extended is considered the "focus" point.
* or the last point adjusted by the selection.
* @param aForward forward or backward if PR_FALSE
* @param aExtend should it collapse the selection of extend it?
*/
[can_run_script]
void completeMove(in boolean forward, in boolean extend);
/** ScrollPage will scroll the page without affecting the selection.
* @param aForward scroll forward or backwards in selection
*/
void scrollPage(in boolean forward);
/** ScrollLine will scroll line up or down dependent on the boolean
* @param aForward scroll forward or backwards in selection
*/
void scrollLine(in boolean forward);
/** ScrollCharacter will scroll right or left dependent on the boolean
* @param aRight if true will scroll right. if not will scroll left.
*/
void scrollCharacter(in boolean right);
/** CheckVisibility will return true if textnode and offsets are actually rendered
* in the current precontext.
* @param aNode textNode to test
* @param aStartOffset offset in dom to first char of textnode to test
* @param aEndOffset offset in dom to last char of textnode to test
* @param aReturnBool boolean returned TRUE if visible FALSE if not
*/
boolean checkVisibility(in Node node, in short startOffset, in short endOffset);
[noscript,nostdcall] boolean checkVisibilityContent(in nsIContent node, in short startOffset, in short endOffset);
};
%{ C++
#define NS_ISELECTIONCONTROLLER_CID \
{ 0x513b9460, 0xd56a, 0x4c4e, \
{ 0xb6, 0xf9, 0x0b, 0x8a, 0xe4, 0x37, 0x2a, 0x3b }}
namespace mozilla {
// RawSelectionType should be used to store nsISelectionController::SELECTION_*.
typedef short RawSelectionType;
// SelectionTypeMask should be used to store bit-mask of selection types.
// The value can be retrieved with ToSelectionTypeMask() and checking if
// a selection type is in a mask with |SelectionType & SelectionTypeMask|.
typedef uint16_t SelectionTypeMask;
// SelectionType should be used in internal handling because of type safe.
enum class SelectionType : RawSelectionType
{
eInvalid = -1,
eNone = nsISelectionController::SELECTION_NONE,
eNormal = nsISelectionController::SELECTION_NORMAL,
eSpellCheck = nsISelectionController::SELECTION_SPELLCHECK,
eIMERawClause = nsISelectionController::SELECTION_IME_RAWINPUT,
eIMESelectedRawClause = nsISelectionController::SELECTION_IME_SELECTEDRAWTEXT,
eIMEConvertedClause = nsISelectionController::SELECTION_IME_CONVERTEDTEXT,
eIMESelectedClause =
nsISelectionController::SELECTION_IME_SELECTEDCONVERTEDTEXT,
eAccessibility = nsISelectionController::SELECTION_ACCESSIBILITY,
eFind = nsISelectionController::SELECTION_FIND,
eURLSecondary = nsISelectionController::SELECTION_URLSECONDARY,
eURLStrikeout = nsISelectionController::SELECTION_URLSTRIKEOUT,
};
// Using anonymous enum to define constants because these constants may be
// used at defining fixed size array in some header files (e.g.,
// nsFrameSelection.h). So, the values needs to be defined here, but we cannot
// use static/const even with extern since it causes failing to link or
// initializes them after such headers.
enum : size_t
{
// kSelectionTypeCount is number of SelectionType.
kSelectionTypeCount = nsISelectionController::NUM_SELECTIONTYPES,
};
// kPresentSelectionTypes is selection types which may be displayed.
// I.e., selection types except eNone.
static const SelectionType kPresentSelectionTypes[] = {
SelectionType::eNormal,
SelectionType::eSpellCheck,
SelectionType::eIMERawClause,
SelectionType::eIMESelectedRawClause,
SelectionType::eIMEConvertedClause,
SelectionType::eIMESelectedClause,
SelectionType::eAccessibility,
SelectionType::eFind,
SelectionType::eURLSecondary,
SelectionType::eURLStrikeout,
};
// Please include mozilla/dom/Selection.h for the following APIs.
const char* ToChar(SelectionType aSelectionType);
inline bool IsValidRawSelectionType(RawSelectionType aRawSelectionType);
inline SelectionType ToSelectionType(RawSelectionType aRawSelectionType);
inline RawSelectionType ToRawSelectionType(SelectionType aSelectionType);
inline SelectionTypeMask ToSelectionTypeMask(SelectionType aSelectionType);
} // namespace mozilla
%}