зеркало из https://github.com/mozilla/gecko-dev.git
48096: Need a -moz-all value for user-select. r=sfraser.
This commit is contained in:
pierre%netscape.com
Родитель
7fa8629100
Коммит
5b88097f54
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@ -39,6 +39,7 @@
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******/
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CSS_KEY(_moz_all)
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CSS_KEY(_moz_bg_inset)
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CSS_KEY(_moz_bg_outset)
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CSS_KEY(_moz_center)
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@ -39,6 +39,7 @@
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******/
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CSS_KEY(_moz_all)
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CSS_KEY(_moz_bg_inset)
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CSS_KEY(_moz_bg_outset)
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CSS_KEY(_moz_center)
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@ -666,6 +666,7 @@ const PRInt32 nsCSSProps::kUserSelectKTable[] = {
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eCSSKeyword_all, NS_STYLE_USER_SELECT_ALL,
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eCSSKeyword_toggle, NS_STYLE_USER_SELECT_TOGGLE,
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eCSSKeyword_tri_state, NS_STYLE_USER_SELECT_TRI_STATE,
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eCSSKeyword__moz_all, NS_STYLE_USER_SELECT_MOZ_ALL,
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-1,-1
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};
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@ -85,7 +85,8 @@
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#define NS_STYLE_USER_SELECT_ALL 4
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#define NS_STYLE_USER_SELECT_TOGGLE 5
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#define NS_STYLE_USER_SELECT_TRI_STATE 6
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#define NS_STYLE_USER_SELECT_AUTO 7
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#define NS_STYLE_USER_SELECT_AUTO 7 // internal value - please use nsFrame::IsSelectable()
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#define NS_STYLE_USER_SELECT_MOZ_ALL 8 // force selection of all children - bug 48096
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// user-input
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#define NS_STYLE_USER_INPUT_NONE 0
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@ -85,7 +85,8 @@
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#define NS_STYLE_USER_SELECT_ALL 4
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#define NS_STYLE_USER_SELECT_TOGGLE 5
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#define NS_STYLE_USER_SELECT_TRI_STATE 6
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#define NS_STYLE_USER_SELECT_AUTO 7
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#define NS_STYLE_USER_SELECT_AUTO 7 // internal value - please use nsFrame::IsSelectable()
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#define NS_STYLE_USER_SELECT_MOZ_ALL 8 // force selection of all children - bug 48096
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// user-input
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#define NS_STYLE_USER_INPUT_NONE 0
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@ -932,46 +932,64 @@ nsFrame::FrameOrParentHasSpecialSelectionStyle(PRUint8 aSelectionStyle, nsIFrame
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NS_IMETHODIMP
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nsFrame::IsSelectable(PRBool* aSelectable, PRUint8* aSelectStyle) const
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{
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if (!aSelectable) return NS_ERROR_NULL_POINTER;
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// we'll allow aSelectStyle to be NULL and just not return info.
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nsresult result = NS_OK;
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PRBool selectable = PR_TRUE; // defaults to true
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PRUint8 selectStyle = NS_STYLE_USER_SELECT_AUTO;
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nsIFrame* frame = (nsIFrame*)this;
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if (!aSelectable && !aSelectStyle)
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return NS_ERROR_NULL_POINTER;
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// Checks style to see if we can be selected.
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// Like 'visibility', we must check all the parents: if a parent
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// is not selectable, none of its children is selectable.
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while (frame && NS_SUCCEEDED(result))
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{
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//
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// The -moz-all value acts similarly: if a frame has 'user-select:-moz-all',
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// all its children are selectable, even those with 'user-select:none'.
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//
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// As a result, if 'none' and '-moz-all' are not present in the frame hierarchy,
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// aSelectStyle returns the first style that is not AUTO. If these values
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// are present in the frame hierarchy, aSelectStyle returns the style of the
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// topmost parent that has either 'none' or '-moz-all'.
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//
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// For instance, if the frame hierarchy is:
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// AUTO -> _MOZ_ALL -> NONE -> TEXT, the returned value is _MOZ_ALL
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// TEXT -> NONE -> AUTO -> _MOZ_ALL, the returned value is NONE
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// _MOZ_ALL -> TEXT -> AUTO -> AUTO, the returned value is _MOZ_ALL
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// AUTO -> CELL -> TEXT -> AUTO, the returned value is TEXT
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//
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nsresult result = NS_OK;
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PRUint8 selectStyle = NS_STYLE_USER_SELECT_AUTO;
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nsIFrame* frame = (nsIFrame*)this;
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while (frame && NS_SUCCEEDED(result)) {
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const nsStyleUserInterface* userinterface;
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frame->GetStyleData(eStyleStruct_UserInterface, (const nsStyleStruct*&)userinterface);
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if (userinterface)
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{
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if (userinterface->mUserSelect == NS_STYLE_USER_SELECT_NONE) {
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selectable = PR_FALSE;
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break; // if a frame is not selectable, stop looking
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} else
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{ // otherwise return the first style which is not 'auto'
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if (selectStyle == NS_STYLE_USER_SELECT_AUTO) {
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if (userinterface) {
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switch (userinterface->mUserSelect) {
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case NS_STYLE_USER_SELECT_NONE:
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case NS_STYLE_USER_SELECT_MOZ_ALL:
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// override the previous values
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selectStyle = userinterface->mUserSelect;
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}
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break;
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default:
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// otherwise return the first value which is not 'auto'
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if (selectStyle == NS_STYLE_USER_SELECT_AUTO) {
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selectStyle = userinterface->mUserSelect;
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}
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break;
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}
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}
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result = frame->GetParent(&frame);
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}
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if (selectable) {
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if (selectStyle == NS_STYLE_USER_SELECT_AUTO) {
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selectStyle = NS_STYLE_USER_SELECT_TEXT;
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}
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} else {
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selectStyle = NS_STYLE_USER_SELECT_NONE;
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}
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// convert internal values to standard values
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if (selectStyle == NS_STYLE_USER_SELECT_AUTO)
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selectStyle = NS_STYLE_USER_SELECT_TEXT;
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else
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if (selectStyle == NS_STYLE_USER_SELECT_MOZ_ALL)
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selectStyle = NS_STYLE_USER_SELECT_ALL;
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*aSelectable = selectable;
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if (aSelectStyle) *aSelectStyle = selectStyle;
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// return stuff
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if (aSelectable)
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*aSelectable = (selectStyle != NS_STYLE_USER_SELECT_NONE);
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if (aSelectStyle)
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*aSelectStyle = selectStyle;
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return NS_OK;
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}
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@ -932,46 +932,64 @@ nsFrame::FrameOrParentHasSpecialSelectionStyle(PRUint8 aSelectionStyle, nsIFrame
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NS_IMETHODIMP
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nsFrame::IsSelectable(PRBool* aSelectable, PRUint8* aSelectStyle) const
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{
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if (!aSelectable) return NS_ERROR_NULL_POINTER;
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// we'll allow aSelectStyle to be NULL and just not return info.
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nsresult result = NS_OK;
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PRBool selectable = PR_TRUE; // defaults to true
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PRUint8 selectStyle = NS_STYLE_USER_SELECT_AUTO;
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nsIFrame* frame = (nsIFrame*)this;
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if (!aSelectable && !aSelectStyle)
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return NS_ERROR_NULL_POINTER;
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// Checks style to see if we can be selected.
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// Like 'visibility', we must check all the parents: if a parent
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// is not selectable, none of its children is selectable.
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while (frame && NS_SUCCEEDED(result))
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{
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//
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// The -moz-all value acts similarly: if a frame has 'user-select:-moz-all',
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// all its children are selectable, even those with 'user-select:none'.
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//
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// As a result, if 'none' and '-moz-all' are not present in the frame hierarchy,
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// aSelectStyle returns the first style that is not AUTO. If these values
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// are present in the frame hierarchy, aSelectStyle returns the style of the
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// topmost parent that has either 'none' or '-moz-all'.
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//
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// For instance, if the frame hierarchy is:
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// AUTO -> _MOZ_ALL -> NONE -> TEXT, the returned value is _MOZ_ALL
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// TEXT -> NONE -> AUTO -> _MOZ_ALL, the returned value is NONE
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// _MOZ_ALL -> TEXT -> AUTO -> AUTO, the returned value is _MOZ_ALL
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// AUTO -> CELL -> TEXT -> AUTO, the returned value is TEXT
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//
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nsresult result = NS_OK;
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PRUint8 selectStyle = NS_STYLE_USER_SELECT_AUTO;
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nsIFrame* frame = (nsIFrame*)this;
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while (frame && NS_SUCCEEDED(result)) {
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const nsStyleUserInterface* userinterface;
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frame->GetStyleData(eStyleStruct_UserInterface, (const nsStyleStruct*&)userinterface);
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if (userinterface)
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{
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if (userinterface->mUserSelect == NS_STYLE_USER_SELECT_NONE) {
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selectable = PR_FALSE;
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break; // if a frame is not selectable, stop looking
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} else
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{ // otherwise return the first style which is not 'auto'
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if (selectStyle == NS_STYLE_USER_SELECT_AUTO) {
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if (userinterface) {
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switch (userinterface->mUserSelect) {
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case NS_STYLE_USER_SELECT_NONE:
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case NS_STYLE_USER_SELECT_MOZ_ALL:
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// override the previous values
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selectStyle = userinterface->mUserSelect;
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}
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break;
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default:
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// otherwise return the first value which is not 'auto'
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if (selectStyle == NS_STYLE_USER_SELECT_AUTO) {
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selectStyle = userinterface->mUserSelect;
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}
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break;
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}
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}
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result = frame->GetParent(&frame);
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}
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if (selectable) {
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if (selectStyle == NS_STYLE_USER_SELECT_AUTO) {
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selectStyle = NS_STYLE_USER_SELECT_TEXT;
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}
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} else {
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selectStyle = NS_STYLE_USER_SELECT_NONE;
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}
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// convert internal values to standard values
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if (selectStyle == NS_STYLE_USER_SELECT_AUTO)
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selectStyle = NS_STYLE_USER_SELECT_TEXT;
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else
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if (selectStyle == NS_STYLE_USER_SELECT_MOZ_ALL)
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selectStyle = NS_STYLE_USER_SELECT_ALL;
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*aSelectable = selectable;
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if (aSelectStyle) *aSelectStyle = selectStyle;
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// return stuff
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if (aSelectable)
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*aSelectable = (selectStyle != NS_STYLE_USER_SELECT_NONE);
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if (aSelectStyle)
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*aSelectStyle = selectStyle;
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return NS_OK;
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}
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@ -39,6 +39,7 @@
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******/
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CSS_KEY(_moz_all)
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CSS_KEY(_moz_bg_inset)
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CSS_KEY(_moz_bg_outset)
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CSS_KEY(_moz_center)
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@ -666,6 +666,7 @@ const PRInt32 nsCSSProps::kUserSelectKTable[] = {
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eCSSKeyword_all, NS_STYLE_USER_SELECT_ALL,
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eCSSKeyword_toggle, NS_STYLE_USER_SELECT_TOGGLE,
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eCSSKeyword_tri_state, NS_STYLE_USER_SELECT_TRI_STATE,
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eCSSKeyword__moz_all, NS_STYLE_USER_SELECT_MOZ_ALL,
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-1,-1
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};
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@ -39,6 +39,7 @@
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******/
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CSS_KEY(_moz_all)
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CSS_KEY(_moz_bg_inset)
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CSS_KEY(_moz_bg_outset)
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CSS_KEY(_moz_center)
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@ -666,6 +666,7 @@ const PRInt32 nsCSSProps::kUserSelectKTable[] = {
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eCSSKeyword_all, NS_STYLE_USER_SELECT_ALL,
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eCSSKeyword_toggle, NS_STYLE_USER_SELECT_TOGGLE,
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eCSSKeyword_tri_state, NS_STYLE_USER_SELECT_TRI_STATE,
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eCSSKeyword__moz_all, NS_STYLE_USER_SELECT_MOZ_ALL,
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-1,-1
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};
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