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81f5e14057
This patch implements the `::target-text` pseudo element. Similarly to the Custom Highlight API, this is done implementing a new Selection type. Differential Revision: https://phabricator.services.mozilla.com/D195687
343 lines
13 KiB
Text
343 lines
13 KiB
Text
/* -*- Mode: IDL; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsISelectionDisplay.idl"
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%{C++
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typedef short SelectionRegion;
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namespace mozilla {
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namespace dom {
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class Selection;
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} // namespace dom
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} // namespace mozilla
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%}
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interface nsIContent;
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interface nsISelectionDisplay;
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webidl Node;
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webidl Selection;
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[builtinclass, scriptable, uuid(3801c9d4-8e69-4bfc-9edb-b58278621f8f)]
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interface nsISelectionController : nsISelectionDisplay
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{
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// Begin of RawSelectionType values.
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const short SELECTION_NONE = 0;
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// Corresponds to the Selection exposed via window.getSelection() and
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// document.getSelection().
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const short SELECTION_NORMAL = 1;
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// Corresponds to the Selection used for spellchecking in <textarea>s and
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// "contentEditable" elements.
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const short SELECTION_SPELLCHECK = 2;
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const short SELECTION_IME_RAWINPUT = 3;
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const short SELECTION_IME_SELECTEDRAWTEXT = 4;
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const short SELECTION_IME_CONVERTEDTEXT = 5;
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const short SELECTION_IME_SELECTEDCONVERTEDTEXT = 6;
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// For accessibility API usage
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const short SELECTION_ACCESSIBILITY = 7;
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const short SELECTION_FIND = 8;
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const short SELECTION_URLSECONDARY = 9;
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const short SELECTION_URLSTRIKEOUT = 10;
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const short SELECTION_TARGET_TEXT = 11;
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// Custom Highlight API
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// (see https://drafts.csswg.org/css-highlight-api-1/#enumdef-highlighttype)
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const short SELECTION_HIGHLIGHT = 12;
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// End of RawSelectionType values.
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const short NUM_SELECTIONTYPES = 13;
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// SelectionRegion values:
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const short SELECTION_ANCHOR_REGION = 0;
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const short SELECTION_FOCUS_REGION = 1;
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const short SELECTION_WHOLE_SELECTION = 2;
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const short NUM_SELECTION_REGIONS = 3;
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const short SELECTION_OFF = 0;
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const short SELECTION_HIDDEN =1;//>HIDDEN displays selection
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const short SELECTION_ON = 2;
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const short SELECTION_DISABLED = 3;
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const short SELECTION_ATTENTION = 4;
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/**
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* SetDisplaySelection will set the display mode for the selection. OFF,ON,DISABLED
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*/
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void setDisplaySelection(in short toggle);
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/**
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* GetDisplaySelection will get the display mode for the selection. OFF,ON,DISABLED
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*/
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short getDisplaySelection();
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/**
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* GetSelection will return the selection that the presentation
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* shell may implement.
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*
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* @param aType This will hold the type of selection. This value must be one
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* of RawSelectionType values.
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* @param _return will hold the return value
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*/
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[binaryname(GetSelectionFromScript)]
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Selection getSelection(in short type);
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/**
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* Return the selection object corresponding to a selection type.
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*/
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[noscript,nostdcall,notxpcom,binaryname(GetSelection)]
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Selection getDOMSelection(in short aType);
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/**
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* Called when the selection controller should take the focus.
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*
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* This will take care to hide the previously-focused selection, show this
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* selection, and repaint both.
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*/
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[noscript,nostdcall,notxpcom]
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void selectionWillTakeFocus();
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/**
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* Called when the selection controller has lost the focus.
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*
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* This will take care to hide and repaint the selection.
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*/
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[noscript,nostdcall,notxpcom]
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void selectionWillLoseFocus();
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const short SCROLL_SYNCHRONOUS = 1<<1;
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const short SCROLL_FIRST_ANCESTOR_ONLY = 1<<2;
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const short SCROLL_CENTER_VERTICALLY = 1<<4;
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const short SCROLL_OVERFLOW_HIDDEN = 1<<5;
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const short SCROLL_FOR_CARET_MOVE = 1<<6;
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/**
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* ScrollSelectionIntoView scrolls a region of the selection,
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* so that it is visible in the scrolled view.
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*
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* @param aType the selection to scroll into view. This value must be one
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* of RawSelectionType values.
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* @param aRegion the region inside the selection to scroll into view. //SelectionRegion
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* @param aFlags the scroll flags. Valid bits include:
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* SCROLL_SYNCHRONOUS: when set, scrolls the selection into view
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* before returning. If not set, posts a request which is processed
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* at some point after the method returns.
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* SCROLL_FIRST_ANCESTOR_ONLY: if set, only the first ancestor will be scrolled
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* into view.
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* SCROLL_OVERFLOW_HIDDEN: if set, scrolls even if the overflow is specified
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* as hidden.
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* SCROLL_FOR_CARET_MOVE: set to indicate whether scrolling is in response
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* to the caret being moved. Does not affect behavior (used for telemetry
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* purposes only).
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*
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* Note that if isSynchronous is true, then this might flush the pending
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* reflow. It's dangerous for some objects. See bug 418470 comment 12.
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*/
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void scrollSelectionIntoView(in short type, in short region, in short flags);
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/**
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* RepaintSelection repaints the selection specified by aType.
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*
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* @param aType specifies the selection to repaint.
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*/
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void repaintSelection(in short type);
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/**
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* Set the caret as enabled or disabled. An enabled caret will
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* draw or blink when made visible. A disabled caret will never show up.
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* Can be called any time.
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* @param aEnable PR_TRUE to enable caret. PR_FALSE to disable.
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* @return always NS_OK
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*/
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void setCaretEnabled(in boolean enabled);
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/**
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* Set the caret readonly or not. An readonly caret will
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* draw but not blink when made visible.
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* @param aReadOnly PR_TRUE to enable caret. PR_FALSE to disable.
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* @return always NS_OK
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*/
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void setCaretReadOnly(in boolean readOnly);
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/**
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* Gets the current state of the caret.
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* @param aEnabled [OUT] set to the current caret state, as set by SetCaretEnabled
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* @return if aOutEnabled==null, returns NS_ERROR_INVALID_ARG
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* else NS_OK
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*/
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boolean getCaretEnabled();
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/**
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* This is true if the caret is enabled, visible, and currently blinking.
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* This is still true when the caret is enabled, visible, but in its "off"
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* blink cycle.
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*/
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readonly attribute boolean caretVisible;
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/**
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* Show the caret even in selections. By default the caret is hidden unless the
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* selection is collapsed. Use this function to show the caret even in selections.
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* @param aVisibility PR_TRUE to show the caret in selections. PR_FALSE to hide.
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* @return always NS_OK
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*/
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void setCaretVisibilityDuringSelection(in boolean visibility);
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/** CharacterMove will move the selection one character forward/backward in the document.
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* this will also have the effect of collapsing the selection if the aExtend = PR_FALSE
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* the "point" of selection that is extended is considered the "focus" point.
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* or the last point adjusted by the selection.
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* @param aForward forward or backward if PR_FALSE
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* @param aExtend should it collapse the selection of extend it?
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*/
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void characterMove(in boolean forward, in boolean extend);
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/** PhysicalMove will move the selection one "unit" in a given direction
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* within the document.
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* this will also have the effect of collapsing the selection if the aExtend = PR_FALSE
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* the "point" of selection that is extended is considered the "focus" point.
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* or the last point adjusted by the selection.
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* @param aDirection
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* @param aAmount character/line; word/lineBoundary
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* @param aExtend should it collapse the selection of extend it?
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*/
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void physicalMove(in short direction, in short amount, in boolean extend);
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/**
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* nsFrameSelection::PhysicalMove depends on the ordering of these values;
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* do not change without checking there!
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*/
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const short MOVE_LEFT = 0;
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const short MOVE_RIGHT = 1;
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const short MOVE_UP = 2;
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const short MOVE_DOWN = 3;
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/** WordMove will move the selection one word forward/backward in the document.
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* this will also have the effect of collapsing the selection if the aExtend = PR_FALSE
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* the "point" of selection that is extended is considered the "focus" point.
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* or the last point adjusted by the selection.
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* @param aForward forward or backward if PR_FALSE
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* @param aExtend should it collapse the selection of extend it?
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*/
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void wordMove(in boolean forward, in boolean extend);
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/** LineMove will move the selection one line forward/backward in the document.
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* this will also have the effect of collapsing the selection if the aExtend = PR_FALSE
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* the "point" of selection that is extended is considered the "focus" point.
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* or the last point adjusted by the selection.
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* @param aForward forward or backward if PR_FALSE
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* @param aExtend should it collapse the selection of extend it?
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*/
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void lineMove(in boolean forward, in boolean extend);
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/** IntraLineMove will move the selection to the front of the line or end of the line
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* in the document.
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* this will also have the effect of collapsing the selection if the aExtend = PR_FALSE
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* the "point" of selection that is extended is considered the "focus" point.
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* or the last point adjusted by the selection.
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* @param aForward forward or backward if PR_FALSE
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* @param aExtend should it collapse the selection of extend it?
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*/
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void intraLineMove(in boolean forward, in boolean extend);
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/** PageMove will move the selection one page forward/backward in the document.
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* this will also have the effect of collapsing the selection if the aExtend = PR_FALSE
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* the "point" of selection that is extended is considered the "focus" point.
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* or the last point adjusted by the selection.
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* @param aForward forward or backward if PR_FALSE
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* @param aExtend should it collapse the selection of extend it?
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*/
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[can_run_script]
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void pageMove(in boolean forward, in boolean extend);
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/** CompleteScroll will move page view to the top or bottom of the document
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* @param aForward forward or backward if PR_FALSE
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*/
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void completeScroll(in boolean forward);
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/** CompleteMove will move page view to the top or bottom of the document
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* this will also have the effect of collapsing the selection if the aExtend = PR_FALSE
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* the "point" of selection that is extended is considered the "focus" point.
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* or the last point adjusted by the selection.
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* @param aForward forward or backward if PR_FALSE
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* @param aExtend should it collapse the selection of extend it?
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*/
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[can_run_script]
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void completeMove(in boolean forward, in boolean extend);
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/** ScrollPage will scroll the page without affecting the selection.
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* @param aForward scroll forward or backwards in selection
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*/
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void scrollPage(in boolean forward);
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/** ScrollLine will scroll line up or down dependent on the boolean
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* @param aForward scroll forward or backwards in selection
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*/
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void scrollLine(in boolean forward);
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/** ScrollCharacter will scroll right or left dependent on the boolean
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* @param aRight if true will scroll right. if not will scroll left.
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*/
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void scrollCharacter(in boolean right);
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};
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%{ C++
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#define NS_ISELECTIONCONTROLLER_CID \
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{ 0x513b9460, 0xd56a, 0x4c4e, \
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{ 0xb6, 0xf9, 0x0b, 0x8a, 0xe4, 0x37, 0x2a, 0x3b }}
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namespace mozilla {
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// RawSelectionType should be used to store nsISelectionController::SELECTION_*.
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typedef short RawSelectionType;
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// SelectionTypeMask should be used to store bit-mask of selection types.
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// The value can be retrieved with ToSelectionTypeMask() and checking if
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// a selection type is in a mask with |SelectionType & SelectionTypeMask|.
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typedef uint16_t SelectionTypeMask;
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// SelectionType should be used in internal handling because of type safe.
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enum class SelectionType : RawSelectionType
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{
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eInvalid = -1,
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eNone = nsISelectionController::SELECTION_NONE,
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eNormal = nsISelectionController::SELECTION_NORMAL,
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eSpellCheck = nsISelectionController::SELECTION_SPELLCHECK,
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eIMERawClause = nsISelectionController::SELECTION_IME_RAWINPUT,
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eIMESelectedRawClause = nsISelectionController::SELECTION_IME_SELECTEDRAWTEXT,
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eIMEConvertedClause = nsISelectionController::SELECTION_IME_CONVERTEDTEXT,
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eIMESelectedClause =
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nsISelectionController::SELECTION_IME_SELECTEDCONVERTEDTEXT,
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eAccessibility = nsISelectionController::SELECTION_ACCESSIBILITY,
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eFind = nsISelectionController::SELECTION_FIND,
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eURLSecondary = nsISelectionController::SELECTION_URLSECONDARY,
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eURLStrikeout = nsISelectionController::SELECTION_URLSTRIKEOUT,
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eTargetText = nsISelectionController::SELECTION_TARGET_TEXT,
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eHighlight = nsISelectionController::SELECTION_HIGHLIGHT,
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};
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// kPresentSelectionTypes is selection types which may be displayed.
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// I.e., selection types except eNone.
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static const SelectionType kPresentSelectionTypes[] = {
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SelectionType::eNormal,
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SelectionType::eSpellCheck,
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SelectionType::eIMERawClause,
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SelectionType::eIMESelectedRawClause,
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SelectionType::eIMEConvertedClause,
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SelectionType::eIMESelectedClause,
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SelectionType::eAccessibility,
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SelectionType::eFind,
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SelectionType::eURLSecondary,
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SelectionType::eURLStrikeout,
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SelectionType::eTargetText,
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SelectionType::eHighlight,
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};
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// Please include mozilla/dom/Selection.h for the following APIs.
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inline bool IsValidRawSelectionType(RawSelectionType aRawSelectionType);
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inline SelectionType ToSelectionType(RawSelectionType aRawSelectionType);
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inline RawSelectionType ToRawSelectionType(SelectionType aSelectionType);
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inline SelectionTypeMask ToSelectionTypeMask(SelectionType aSelectionType);
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} // namespace mozilla
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%}
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