зеркало из https://github.com/mozilla/gecko-dev.git
added Selection methods to nsICodment, nsDocument, nsiSplittableFRame
This commit is contained in:
rods
Родитель
7feb35813c
Коммит
e80f937688
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@ -154,6 +154,16 @@ public:
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* Returns the Selection Object
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*/
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virtual nsISelection * GetSelection() = 0;
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/**
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* Selects all the Content
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*/
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virtual void SelectAll() = 0;
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/**
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* Copies all text from the selection
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*/
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virtual void GetSelectionText(nsString & aText) = 0;
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};
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// XXX Belongs somewhere else
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@ -26,6 +26,8 @@
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#include "nsIDocumentObserver.h"
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#include "nsSelection.h"
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#include "nsIDOMText.h"
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static NS_DEFINE_IID(kIDOMTextIID, NS_IDOMTEXT_IID);
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static NS_DEFINE_IID(kIDocumentIID, NS_IDOCUMENT_IID);
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@ -638,9 +640,104 @@ nsresult nsDocument::GetElementsByTagName(nsString &aTagname, nsIDOMNodeIterator
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* Returns the Selection Object
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*/
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nsISelection * nsDocument::GetSelection() {
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if (mSelection != nsnull) {
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NS_ADDREF(mSelection);
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}
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return mSelection;
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}
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/**
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* Selects all the Content
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*/
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void nsDocument::SelectAll() {
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nsIContent * start = mRootContent;
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nsIContent * end = mRootContent;
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// Find Very first Piece of Content
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while (start->ChildCount() > 0) {
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start = start->ChildAt(0);
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}
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// Last piece of Content
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PRInt32 count = end->ChildCount();
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while (count > 0) {
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end = end->ChildAt(count-1);
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count = end->ChildCount();
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}
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nsSelectionRange * range = mSelection->GetRange();
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nsSelectionPoint * startPnt = range->GetStartPoint();
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nsSelectionPoint * endPnt = range->GetEndPoint();
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startPnt->SetPoint(start, -1, PR_TRUE);
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endPnt->SetPoint(end, -1, PR_FALSE);
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}
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void nsDocument::TraverseTree(nsString & aText,
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nsIContent * aContent,
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nsIContent * aStart,
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nsIContent * aEnd,
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PRBool & aInRange) {
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if (aContent == aStart) {
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aInRange = PR_TRUE;
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}
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PRBool addReturn = PR_FALSE;
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if (aInRange) {
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nsIDOMText * textContent;
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nsresult status = aContent->QueryInterface(kIDOMTextIID, (void**) &textContent);
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if (NS_OK == status) {
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nsString text;
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textContent->GetData(text);
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aText.Append(text);
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//NS_IF_RELEASE(textContent);
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} else {
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nsIAtom * atom = aContent->GetTag();
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if (atom != nsnull) {
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nsString str;
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atom->ToString(str);
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//char * s = str.ToNewCString();
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if (str.Equals("P") ||
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str.Equals("OL") ||
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str.Equals("LI") ||
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str.Equals("TD") ||
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str.Equals("H1") ||
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str.Equals("H2") ||
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str.Equals("H3") ||
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str.Equals("H4") ||
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str.Equals("H5") ||
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str.Equals("H6") ||
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str.Equals("TABLE")) {
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addReturn = PR_TRUE;
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}
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//printf("[%s]\n", s);
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//delete s;
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}
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}
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}
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for (PRInt32 i=0;i<aContent->ChildCount();i++) {
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TraverseTree(aText, aContent->ChildAt(i), aStart, aEnd, aInRange);
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}
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if (addReturn) {
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aText.Append("\n");
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}
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if (aContent == aEnd) {
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aInRange = PR_FALSE;
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}
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}
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void nsDocument::GetSelectionText(nsString & aText) {
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nsSelectionRange * range = mSelection->GetRange();
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nsSelectionPoint * startPnt = range->GetStartPoint();
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nsSelectionPoint * endPnt = range->GetEndPoint();
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PRBool inRange = PR_FALSE;
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TraverseTree(aText, mRootContent, startPnt->GetContent(), endPnt->GetContent(), inRange);
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}
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NS_LAYOUT nsresult
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NS_NewSelection(nsISelection** aInstancePtrResult)
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{
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@ -133,6 +133,23 @@ public:
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*/
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virtual nsISelection * GetSelection();
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/**
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* Selects all the Content
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*/
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virtual void SelectAll();
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/**
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* Copies all text from the selection
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*/
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virtual void GetSelectionText(nsString & aText);
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void TraverseTree(nsString & aText,
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nsIContent * aContent,
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nsIContent * aStart,
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nsIContent * aEnd,
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PRBool & aInRange);
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public:
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virtual nsresult GetScriptObject(JSContext *aContext, void** aScriptObject);
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@ -154,6 +154,16 @@ public:
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* Returns the Selection Object
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*/
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virtual nsISelection * GetSelection() = 0;
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/**
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* Selects all the Content
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*/
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virtual void SelectAll() = 0;
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/**
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* Copies all text from the selection
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*/
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virtual void GetSelectionText(nsString & aText) = 0;
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};
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// XXX Belongs somewhere else
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@ -26,6 +26,8 @@
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#include "nsIDocumentObserver.h"
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#include "nsSelection.h"
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#include "nsIDOMText.h"
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static NS_DEFINE_IID(kIDOMTextIID, NS_IDOMTEXT_IID);
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static NS_DEFINE_IID(kIDocumentIID, NS_IDOCUMENT_IID);
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@ -638,9 +640,104 @@ nsresult nsDocument::GetElementsByTagName(nsString &aTagname, nsIDOMNodeIterator
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* Returns the Selection Object
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*/
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nsISelection * nsDocument::GetSelection() {
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if (mSelection != nsnull) {
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NS_ADDREF(mSelection);
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}
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return mSelection;
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}
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/**
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* Selects all the Content
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*/
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void nsDocument::SelectAll() {
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nsIContent * start = mRootContent;
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nsIContent * end = mRootContent;
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// Find Very first Piece of Content
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while (start->ChildCount() > 0) {
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start = start->ChildAt(0);
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}
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// Last piece of Content
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PRInt32 count = end->ChildCount();
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while (count > 0) {
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end = end->ChildAt(count-1);
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count = end->ChildCount();
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}
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nsSelectionRange * range = mSelection->GetRange();
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nsSelectionPoint * startPnt = range->GetStartPoint();
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nsSelectionPoint * endPnt = range->GetEndPoint();
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startPnt->SetPoint(start, -1, PR_TRUE);
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endPnt->SetPoint(end, -1, PR_FALSE);
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}
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void nsDocument::TraverseTree(nsString & aText,
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nsIContent * aContent,
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nsIContent * aStart,
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nsIContent * aEnd,
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PRBool & aInRange) {
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if (aContent == aStart) {
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aInRange = PR_TRUE;
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}
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PRBool addReturn = PR_FALSE;
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if (aInRange) {
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nsIDOMText * textContent;
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nsresult status = aContent->QueryInterface(kIDOMTextIID, (void**) &textContent);
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if (NS_OK == status) {
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nsString text;
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textContent->GetData(text);
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aText.Append(text);
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//NS_IF_RELEASE(textContent);
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} else {
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nsIAtom * atom = aContent->GetTag();
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if (atom != nsnull) {
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nsString str;
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atom->ToString(str);
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//char * s = str.ToNewCString();
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if (str.Equals("P") ||
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str.Equals("OL") ||
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str.Equals("LI") ||
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str.Equals("TD") ||
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str.Equals("H1") ||
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str.Equals("H2") ||
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str.Equals("H3") ||
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str.Equals("H4") ||
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str.Equals("H5") ||
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str.Equals("H6") ||
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str.Equals("TABLE")) {
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addReturn = PR_TRUE;
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}
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//printf("[%s]\n", s);
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//delete s;
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}
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}
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}
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for (PRInt32 i=0;i<aContent->ChildCount();i++) {
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TraverseTree(aText, aContent->ChildAt(i), aStart, aEnd, aInRange);
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}
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if (addReturn) {
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aText.Append("\n");
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}
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if (aContent == aEnd) {
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aInRange = PR_FALSE;
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}
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}
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void nsDocument::GetSelectionText(nsString & aText) {
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nsSelectionRange * range = mSelection->GetRange();
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nsSelectionPoint * startPnt = range->GetStartPoint();
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nsSelectionPoint * endPnt = range->GetEndPoint();
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PRBool inRange = PR_FALSE;
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TraverseTree(aText, mRootContent, startPnt->GetContent(), endPnt->GetContent(), inRange);
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}
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NS_LAYOUT nsresult
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NS_NewSelection(nsISelection** aInstancePtrResult)
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{
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@ -133,6 +133,23 @@ public:
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*/
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virtual nsISelection * GetSelection();
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/**
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* Selects all the Content
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*/
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virtual void SelectAll();
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/**
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* Copies all text from the selection
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*/
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virtual void GetSelectionText(nsString & aText);
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void TraverseTree(nsString & aText,
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nsIContent * aContent,
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nsIContent * aStart,
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nsIContent * aEnd,
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PRBool & aInRange);
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public:
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virtual nsresult GetScriptObject(JSContext *aContext, void** aScriptObject);
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@ -186,3 +186,12 @@ NS_METHOD nsSplittableFrame::BreakFromNextFlow()
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return NS_OK;
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}
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nsIFrame * nsSplittableFrame::GetPrevInFlow()
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{
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return mPrevInFlow;
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}
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nsIFrame * nsSplittableFrame::GetNextInFlow()
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{
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return mNextInFlow;
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}
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@ -54,6 +54,10 @@ public:
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NS_IMETHOD BreakFromPrevFlow();
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NS_IMETHOD BreakFromNextFlow();
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nsIFrame * GetPrevInFlow();
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nsIFrame * GetNextInFlow();
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protected:
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// Constructor. Takes as arguments the content object, the index in parent,
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// and the Frame for the content parent
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