/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* ***** BEGIN LICENSE BLOCK ***** * Version: MPL 1.1/GPL 2.0/LGPL 2.1 * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is mozilla.org code. * * The Initial Developer of the Original Code is * Netscape Communications Corporation. * Portions created by the Initial Developer are Copyright (C) 1998 * the Initial Developer. All Rights Reserved. * * Contributor(s): * Blake Ross * * Alternatively, the contents of this file may be used under the terms of * either of the GNU General Public License Version 2 or later (the "GPL"), * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), * in which case the provisions of the GPL or the LGPL are applicable instead * of those above. If you wish to allow use of your version of this file only * under the terms of either the GPL or the LGPL, and not to allow others to * use your version of this file under the terms of the MPL, indicate your * decision by deleting the provisions above and replace them with the notice * and other provisions required by the GPL or the LGPL. If you do not delete * the provisions above, a recipient may use your version of this file under * the terms of any one of the MPL, the GPL or the LGPL. * * ***** END LICENSE BLOCK ***** */ #include "nsCOMPtr.h" #include "nsTextControlFrame.h" #include "nsIDocument.h" #include "nsIDOMNSHTMLTextAreaElement.h" #include "nsIDOMNSHTMLInputElement.h" #include "nsIFormControl.h" #include "nsIServiceManager.h" #include "nsIFrameSelection.h" #include "nsIPlaintextEditor.h" #include "nsEditorCID.h" #include "nsLayoutCID.h" #include "nsFormControlHelper.h" #include "nsIDocumentEncoder.h" #include "nsICaret.h" #include "nsISelectionListener.h" #include "nsISelectionPrivate.h" #include "nsIController.h" #include "nsIControllers.h" #include "nsIControllerContext.h" #include "nsIHTMLContent.h" #include "nsIEditorIMESupport.h" #include "nsIPhonetic.h" #include "nsIEditorObserver.h" #include "nsIDOMHTMLTextAreaElement.h" #include "nsINameSpaceManager.h" #include "nsINodeInfo.h" #include "nsIScrollableView.h" #include "nsIScrollableFrame.h" //to turn off scroll bars #include "nsFormControlFrame.h" //for registering accesskeys #include "nsIDeviceContext.h" // to measure fonts #include "nsIPresState.h" //for saving state #include "nsIContent.h" #include "nsIAtom.h" #include "nsIPresContext.h" #ifdef USE_QI_IN_SUPPRESS_EVENT_HANDLERS #include "nsIPrintContext.h" #include "nsIPrintPreviewContext.h" #endif // USE_QI_IN_SUPPRESS_EVENT_HANDLERS #include "nsHTMLAtoms.h" #include "nsIComponentManager.h" #include "nsIView.h" #include "nsIDOMHTMLInputElement.h" #include "nsISupportsArray.h" #include "nsIDOMElement.h" #include "nsIDOMDocument.h" #include "nsIPresShell.h" #include "nsIComponentManager.h" #include "nsBoxLayoutState.h" #include "nsLayoutAtoms.h" //getframetype //for keylistener for "return" check #include "nsIPrivateDOMEvent.h" #include "nsIDOMEventReceiver.h" #include "nsIDocument.h" //observe documents to send onchangenotifications #include "nsIStyleSheet.h"//observe documents to send onchangenotifications #include "nsIStyleRule.h"//observe documents to send onchangenotifications #include "nsIDOMEventListener.h"//observe documents to send onchangenotifications #include "nsGUIEvent.h" #include "nsIDOMEventGroup.h" #include "nsIDOM3EventTarget.h" #include "nsIDOMNSUIEvent.h" #include "nsIEventStateManager.h" #include "nsIDOMFocusListener.h" //onchange events #include "nsIDOMCharacterData.h" //for selection setting helper func #include "nsIDOMNodeList.h" //for selection setting helper func #include "nsIDOMRange.h" //for selection setting helper func #include "nsIScriptGlobalObject.h" //needed for notify selection changed to update the menus ect. #include "nsIDOMWindowInternal.h" //needed for notify selection changed to update the menus ect. #include "nsITextContent.h" //needed to create initial text control content #ifdef ACCESSIBILITY #include "nsIAccessibilityService.h" #endif #include "nsIServiceManager.h" #include "nsIDOMNode.h" #include "nsITextControlElement.h" #include "nsIEditorObserver.h" #include "nsITransactionManager.h" #include "nsIDOMText.h" //for multiline getselection #include "nsNodeInfoManager.h" #include "nsContentCreatorFunctions.h" #ifdef IBMBIDI #include "nsIBidiKeyboard.h" #include "nsWidgetsCID.h" #endif // IBMBIDI #define DEFAULT_COLUMN_WIDTH 20 #include "nsContentCID.h" static NS_DEFINE_IID(kRangeCID, NS_RANGE_CID); static NS_DEFINE_CID(kTextEditorCID, NS_TEXTEDITOR_CID); static NS_DEFINE_CID(kFrameSelectionCID, NS_FRAMESELECTION_CID); static const PRInt32 DEFAULT_COLS = 20; static const PRInt32 DEFAULT_ROWS = 1; static const PRInt32 DEFAULT_ROWS_TEXTAREA = 2; class nsTextInputListener : public nsISelectionListener, public nsIDOMFocusListener, public nsIEditorObserver, public nsSupportsWeakReference { public: /** the default constructor */ nsTextInputListener(); /** the default destructor. virtual due to the possibility of derivation. */ virtual ~nsTextInputListener(); /** SetEditor gives an address to the editor that will be accessed * @param aEditor the editor this listener calls for editing operations */ void SetFrame(nsTextControlFrame *aFrame){mFrame = aFrame;} NS_DECL_ISUPPORTS NS_DECL_NSISELECTIONLISTENER /** nsIDOMFocusListener interfaces * used to propagate focus, blur, and change notifications * @see nsIDOMFocusListener */ NS_IMETHOD HandleEvent(nsIDOMEvent* aEvent); NS_IMETHOD Focus(nsIDOMEvent* aEvent); NS_IMETHOD Blur (nsIDOMEvent* aEvent); /* END interfaces from nsIDOMFocusListener*/ NS_DECL_NSIEDITOROBSERVER protected: nsresult UpdateTextInputCommands(const nsAString& commandsToUpdate); protected: nsTextControlFrame* mFrame; // weak reference PRPackedBool mSelectionWasCollapsed; PRPackedBool mKnowSelectionCollapsed; /** * Whether we had undo items or not the last time we got EditAction() * notification (when this state changes we update undo and redo menus) */ PRPackedBool mHadUndoItems; /** * Whether we had redo items or not the last time we got EditAction() * notification (when this state changes we update undo and redo menus) */ PRPackedBool mHadRedoItems; }; /* * nsTextEditorListener implementation */ nsTextInputListener::nsTextInputListener() : mFrame(nsnull) , mSelectionWasCollapsed(PR_TRUE) , mKnowSelectionCollapsed(PR_FALSE) , mHadUndoItems(PR_FALSE) , mHadRedoItems(PR_FALSE) { } nsTextInputListener::~nsTextInputListener() { } NS_IMPL_ISUPPORTS5(nsTextInputListener, nsISelectionListener, nsIDOMEventListener, nsIDOMFocusListener, nsIEditorObserver, nsISupportsWeakReference) // BEGIN nsIDOMSelectionListener NS_IMETHODIMP nsTextInputListener::NotifySelectionChanged(nsIDOMDocument* aDoc, nsISelection* aSel, PRInt16 aReason) { PRBool collapsed; if (!mFrame || !aDoc || !aSel || NS_FAILED(aSel->GetIsCollapsed(&collapsed))) return NS_OK; // Fire the select event // The specs don't exactly say when we should fire the select event. // IE: Whenever you add/remove a character to/from the selection. Also // each time for select all. Also if you get to the end of the text // field you will get new event for each keypress or a continuous // stream of events if you use the mouse. IE will fire select event // when the selection collapses to nothing if you are holding down // the shift or mouse button. // Mozilla: If we have non-empty selection we will fire a new event for each // keypress (or mouseup) if the selection changed. Mozilla will also // create the event each time select all is called, even if everything // was previously selected, becase technically select all will first collapse // and then extend. Mozilla will never create an event if the selection // collapses to nothing. if (!collapsed && (aReason & (nsISelectionListener::MOUSEUP_REASON | nsISelectionListener::KEYPRESS_REASON | nsISelectionListener::SELECTALL_REASON))) { nsCOMPtr content; mFrame->GetFormContent(*getter_AddRefs(content)); if (content) { nsCOMPtr doc = content->GetDocument(); if (doc) { nsIPresShell *presShell = doc->GetShellAt(0); if (presShell) { nsEventStatus status = nsEventStatus_eIgnore; nsEvent event(NS_FORM_SELECTED); presShell->HandleEventWithTarget(&event,mFrame,content,NS_EVENT_FLAG_INIT,&status); } } } } // if the collapsed state did not change, don't fire notifications if (mKnowSelectionCollapsed && collapsed == mSelectionWasCollapsed) return NS_OK; mSelectionWasCollapsed = collapsed; mKnowSelectionCollapsed = PR_TRUE; return UpdateTextInputCommands(NS_LITERAL_STRING("select")); } // END nsIDOMSelectionListener // BEGIN nsIFocusListener NS_IMETHODIMP nsTextInputListener::HandleEvent(nsIDOMEvent* aEvent) { return NS_OK; } NS_IMETHODIMP nsTextInputListener::Focus(nsIDOMEvent* aEvent) { if (!mFrame) return NS_OK; nsCOMPtr editor; mFrame->GetEditor(getter_AddRefs(editor)); if (editor) { editor->AddEditorObserver(this); } return mFrame->InitFocusedValue(); } NS_IMETHODIMP nsTextInputListener::Blur(nsIDOMEvent* aEvent) { if (!mFrame) return NS_OK; nsCOMPtr editor; mFrame->GetEditor(getter_AddRefs(editor)); if (editor) { editor->RemoveEditorObserver(this); } return mFrame->CheckFireOnChange(); } // END nsIFocusListener // BEGIN nsIEditorObserver NS_IMETHODIMP nsTextInputListener::EditAction() { // // Update the undo / redo menus // nsCOMPtr editor; mFrame->GetEditor(getter_AddRefs(editor)); nsCOMPtr manager; editor->GetTransactionManager(getter_AddRefs(manager)); NS_ENSURE_TRUE(manager, NS_ERROR_FAILURE); // Get the number of undo / redo items PRInt32 numUndoItems = 0; PRInt32 numRedoItems = 0; manager->GetNumberOfUndoItems(&numUndoItems); manager->GetNumberOfRedoItems(&numRedoItems); if (numUndoItems && !mHadUndoItems || !numUndoItems && mHadUndoItems || numRedoItems && !mHadRedoItems || !numRedoItems && mHadRedoItems) { // Modify the menu if undo or redo items are different UpdateTextInputCommands(NS_LITERAL_STRING("undo")); mHadUndoItems = numUndoItems != 0; mHadRedoItems = numRedoItems != 0; } // Make sure we know we were changed (do NOT set this to false if there are // no undo items; JS could change the value and we'd still need to save it) mFrame->SetValueChanged(PR_TRUE); // Fire input event mFrame->FireOnInput(); return NS_OK; } // END nsIEditorObserver nsresult nsTextInputListener::UpdateTextInputCommands(const nsAString& commandsToUpdate) { nsIContent* content = mFrame->GetContent(); NS_ENSURE_TRUE(content, NS_ERROR_FAILURE); nsCOMPtr doc = content->GetDocument(); NS_ENSURE_TRUE(doc, NS_ERROR_FAILURE); nsCOMPtr domWindow = do_QueryInterface(doc->GetScriptGlobalObject()); NS_ENSURE_TRUE(domWindow, NS_ERROR_FAILURE); return domWindow->UpdateCommands(commandsToUpdate); } // END nsTextInputListener #ifdef XP_MAC #pragma mark - #endif class nsTextInputSelectionImpl : public nsSupportsWeakReference, public nsISelectionController, public nsIFrameSelection { public: NS_DECL_ISUPPORTS nsTextInputSelectionImpl(nsIFrameSelection *aSel, nsIPresShell *aShell, nsIContent *aLimiter); ~nsTextInputSelectionImpl(){} //NSISELECTIONCONTROLLER INTERFACES NS_IMETHOD SetDisplaySelection(PRInt16 toggle); NS_IMETHOD GetDisplaySelection(PRInt16 *_retval); NS_IMETHOD SetSelectionFlags(PRInt16 aInEnable); NS_IMETHOD GetSelectionFlags(PRInt16 *aOutEnable); NS_IMETHOD GetSelection(PRInt16 type, nsISelection **_retval); NS_IMETHOD ScrollSelectionIntoView(PRInt16 aType, PRInt16 aRegion, PRBool aIsSynchronous); NS_IMETHOD RepaintSelection(PRInt16 type); NS_IMETHOD RepaintSelection(nsIPresContext* aPresContext, SelectionType aSelectionType); NS_IMETHOD SetCaretEnabled(PRBool enabled); NS_IMETHOD SetCaretWidth(PRInt16 twips); NS_IMETHOD SetCaretReadOnly(PRBool aReadOnly); NS_IMETHOD GetCaretEnabled(PRBool *_retval); NS_IMETHOD SetCaretVisibilityDuringSelection(PRBool aVisibility); NS_IMETHOD CharacterMove(PRBool aForward, PRBool aExtend); NS_IMETHOD WordMove(PRBool aForward, PRBool aExtend); NS_IMETHOD LineMove(PRBool aForward, PRBool aExtend); NS_IMETHOD IntraLineMove(PRBool aForward, PRBool aExtend); NS_IMETHOD PageMove(PRBool aForward, PRBool aExtend); NS_IMETHOD CompleteScroll(PRBool aForward); NS_IMETHOD CompleteMove(PRBool aForward, PRBool aExtend); NS_IMETHOD ScrollPage(PRBool aForward); NS_IMETHOD ScrollLine(PRBool aForward); NS_IMETHOD ScrollHorizontal(PRBool aLeft); NS_IMETHOD SelectAll(void); NS_IMETHOD CheckVisibility(nsIDOMNode *node, PRInt16 startOffset, PRInt16 EndOffset, PRBool *_retval); // NSIFRAMESELECTION INTERFACES NS_IMETHOD Init(nsIFocusTracker *aTracker, nsIContent *aLimiter) ; NS_IMETHOD ShutDown() ; NS_IMETHOD HandleTextEvent(nsGUIEvent *aGuiEvent) ; NS_IMETHOD HandleKeyEvent(nsIPresContext* aPresContext, nsGUIEvent *aGuiEvent); NS_IMETHOD HandleClick(nsIContent *aNewFocus, PRUint32 aContentOffset, PRUint32 aContentEndOffset , PRBool aContinueSelection, PRBool aMultipleSelection, PRBool aHint); NS_IMETHOD HandleDrag(nsIPresContext *aPresContext, nsIFrame *aFrame, nsPoint& aPoint); NS_IMETHOD HandleTableSelection(nsIContent *aParentContent, PRInt32 aContentOffset, PRInt32 aTarget, nsMouseEvent *aMouseEvent); NS_IMETHOD StartAutoScrollTimer(nsIPresContext *aPresContext, nsIView* aView, nsPoint& aPoint, PRUint32 aDelay); NS_IMETHOD StopAutoScrollTimer(); NS_IMETHOD EnableFrameNotification(PRBool aEnable); NS_IMETHOD LookUpSelection(nsIContent *aContent, PRInt32 aContentOffset, PRInt32 aContentLength, SelectionDetails **aReturnDetails, PRBool aSlowCheck); NS_IMETHOD SetMouseDownState(PRBool aState); NS_IMETHOD GetMouseDownState(PRBool *aState); NS_IMETHOD SetDelayCaretOverExistingSelection(PRBool aDelay); NS_IMETHOD GetDelayCaretOverExistingSelection(PRBool *aDelay); NS_IMETHOD SetDelayedCaretData(nsMouseEvent *aMouseEvent); NS_IMETHOD GetDelayedCaretData(nsMouseEvent **aMouseEvent); NS_IMETHOD GetLimiter(nsIContent **aLimiterContent); NS_IMETHOD GetTableCellSelection(PRBool *aState); NS_IMETHOD GetFrameForNodeOffset(nsIContent *aNode, PRInt32 aOffset, HINT aHint, nsIFrame **aReturnFrame, PRInt32 *aReturnOffset); NS_IMETHOD AdjustOffsetsFromStyle(nsIFrame *aFrame, PRBool *changeSelection, nsIContent** outContent, PRInt32* outStartOffset, PRInt32* outEndOffset); NS_IMETHOD GetHint(nsIFrameSelection::HINT *aHint); NS_IMETHOD SetHint(nsIFrameSelection::HINT aHint); NS_IMETHOD SetScrollableView(nsIScrollableView *aScrollableView); NS_IMETHOD GetScrollableView(nsIScrollableView **aScrollableView); NS_IMETHOD CommonPageMove(PRBool aForward, PRBool aExtend, nsIScrollableView *aScrollableView, nsIFrameSelection *aFrameSel); NS_IMETHOD SetMouseDoubleDown(PRBool aDoubleDown); NS_IMETHOD GetMouseDoubleDown(PRBool *aDoubleDown); NS_IMETHOD MaintainSelection(); #ifdef IBMBIDI NS_IMETHOD GetPrevNextBidiLevels(nsIPresContext *aPresContext, nsIContent *aNode, PRUint32 aContentOffset, nsIFrame **aPrevFrame, nsIFrame **aNextFrame, PRUint8 *aPrevLevel, PRUint8 *aNextLevel); NS_IMETHOD GetFrameFromLevel(nsIPresContext *aPresContext, nsIFrame *aFrameIn, nsDirection aDirection, PRUint8 aBidiLevel, nsIFrame **aFrameOut); #endif //END INTERFACES nsWeakPtr &GetPresShell(){return mPresShellWeak;} private: nsCOMPtr mFrameSelection; nsCOMPtr mLimiter; nsWeakPtr mPresShellWeak; #ifdef IBMBIDI nsCOMPtr mBidiKeyboard; #endif }; // Implement our nsISupports methods NS_IMPL_ISUPPORTS3(nsTextInputSelectionImpl, nsISelectionController, nsISupportsWeakReference, nsIFrameSelection) // BEGIN nsTextInputSelectionImpl nsTextInputSelectionImpl::nsTextInputSelectionImpl(nsIFrameSelection *aSel, nsIPresShell *aShell, nsIContent *aLimiter) { if (aSel && aShell) { mFrameSelection = aSel;//we are the owner now! nsCOMPtr tracker = do_QueryInterface(aShell); mLimiter = aLimiter; mFrameSelection->Init(tracker, mLimiter); mPresShellWeak = do_GetWeakReference(aShell); #ifdef IBMBIDI mBidiKeyboard = do_GetService("@mozilla.org/widget/bidikeyboard;1"); #endif } } NS_IMETHODIMP nsTextInputSelectionImpl::SetDisplaySelection(PRInt16 aToggle) { if (mFrameSelection) return mFrameSelection->SetDisplaySelection(aToggle); return NS_ERROR_NULL_POINTER; } NS_IMETHODIMP nsTextInputSelectionImpl::GetDisplaySelection(PRInt16 *aToggle) { if (mFrameSelection) return mFrameSelection->GetDisplaySelection(aToggle); return NS_ERROR_NULL_POINTER; } NS_IMETHODIMP nsTextInputSelectionImpl::SetSelectionFlags(PRInt16 aToggle) { return NS_OK;//stub this out. not used in input } NS_IMETHODIMP nsTextInputSelectionImpl::GetSelectionFlags(PRInt16 *aOutEnable) { *aOutEnable = nsISelectionDisplay::DISPLAY_TEXT; return NS_OK; } NS_IMETHODIMP nsTextInputSelectionImpl::GetSelection(PRInt16 type, nsISelection **_retval) { if (mFrameSelection) return mFrameSelection->GetSelection(type, _retval); return NS_ERROR_NULL_POINTER; } NS_IMETHODIMP nsTextInputSelectionImpl::ScrollSelectionIntoView(PRInt16 aType, PRInt16 aRegion, PRBool aIsSynchronous) { if (mFrameSelection) return mFrameSelection->ScrollSelectionIntoView(aType, aRegion, aIsSynchronous); return NS_ERROR_NULL_POINTER; } NS_IMETHODIMP nsTextInputSelectionImpl::RepaintSelection(PRInt16 type) { if (!mPresShellWeak) return NS_ERROR_NOT_INITIALIZED; nsCOMPtr presShell = do_QueryReferent(mPresShellWeak); if (presShell) { nsCOMPtr context; if (NS_SUCCEEDED(presShell->GetPresContext(getter_AddRefs(context))) && context) { return mFrameSelection->RepaintSelection(context, type); } } return NS_ERROR_FAILURE; } NS_IMETHODIMP nsTextInputSelectionImpl::RepaintSelection(nsIPresContext* aPresContext, SelectionType aSelectionType) { return RepaintSelection(aSelectionType); } NS_IMETHODIMP nsTextInputSelectionImpl::SetCaretEnabled(PRBool enabled) { if (!mPresShellWeak) return NS_ERROR_NOT_INITIALIZED; nsCOMPtr shell = do_QueryReferent(mPresShellWeak); if (!shell) return NS_ERROR_FAILURE; // tell the pres shell to enable the caret, rather than settings its visibility directly. // this way the presShell's idea of caret visibility is maintained. nsCOMPtr selCon = do_QueryInterface(shell); if (!selCon) return NS_ERROR_NO_INTERFACE; selCon->SetCaretEnabled(enabled); return NS_OK; } NS_IMETHODIMP nsTextInputSelectionImpl::SetCaretWidth(PRInt16 pixels) { if (!mPresShellWeak) return NS_ERROR_NOT_INITIALIZED; nsresult result; nsCOMPtr shell = do_QueryReferent(mPresShellWeak, &result); if (shell) { nsCOMPtr caret; if (NS_SUCCEEDED(result = shell->GetCaret(getter_AddRefs(caret)))) { return caret->SetCaretWidth(pixels); } } return NS_ERROR_FAILURE; } NS_IMETHODIMP nsTextInputSelectionImpl::SetCaretReadOnly(PRBool aReadOnly) { if (!mPresShellWeak) return NS_ERROR_NOT_INITIALIZED; nsresult result; nsCOMPtr shell = do_QueryReferent(mPresShellWeak, &result); if (shell) { nsCOMPtr caret; if (NS_SUCCEEDED(result = shell->GetCaret(getter_AddRefs(caret)))) { nsCOMPtr domSel; if (NS_SUCCEEDED(result = mFrameSelection->GetSelection(nsISelectionController::SELECTION_NORMAL, getter_AddRefs(domSel)))) { return caret->SetCaretReadOnly(aReadOnly); } } } return NS_ERROR_FAILURE; } NS_IMETHODIMP nsTextInputSelectionImpl::GetCaretEnabled(PRBool *_retval) { if (!mPresShellWeak) return NS_ERROR_NOT_INITIALIZED; nsresult result; nsCOMPtr shell = do_QueryReferent(mPresShellWeak, &result); if (shell) { nsCOMPtr caret; if (NS_SUCCEEDED(result = shell->GetCaret(getter_AddRefs(caret)))) { nsCOMPtr domSel; if (NS_SUCCEEDED(result = mFrameSelection->GetSelection(nsISelectionController::SELECTION_NORMAL, getter_AddRefs(domSel)))) { return caret->GetCaretVisible(_retval); } } } return NS_ERROR_FAILURE; } NS_IMETHODIMP nsTextInputSelectionImpl::SetCaretVisibilityDuringSelection(PRBool aVisibility) { if (!mPresShellWeak) return NS_ERROR_NOT_INITIALIZED; nsresult result; nsCOMPtr shell = do_QueryReferent(mPresShellWeak, &result); if (shell) { nsCOMPtr caret; if (NS_SUCCEEDED(result = shell->GetCaret(getter_AddRefs(caret)))) { nsCOMPtr domSel; if (NS_SUCCEEDED(result = mFrameSelection->GetSelection(nsISelectionController::SELECTION_NORMAL, getter_AddRefs(domSel)))) { return caret->SetVisibilityDuringSelection(aVisibility); } } } return NS_ERROR_FAILURE; } NS_IMETHODIMP nsTextInputSelectionImpl::CharacterMove(PRBool aForward, PRBool aExtend) { if (mFrameSelection) return mFrameSelection->CharacterMove(aForward, aExtend); return NS_ERROR_NULL_POINTER; } NS_IMETHODIMP nsTextInputSelectionImpl::WordMove(PRBool aForward, PRBool aExtend) { if (mFrameSelection) return mFrameSelection->WordMove(aForward, aExtend); return NS_ERROR_NULL_POINTER; } NS_IMETHODIMP nsTextInputSelectionImpl::LineMove(PRBool aForward, PRBool aExtend) { if (mFrameSelection) { nsresult result = mFrameSelection->LineMove(aForward, aExtend); if (NS_FAILED(result)) result = CompleteMove(aForward,aExtend); return result; } return NS_ERROR_NULL_POINTER; } NS_IMETHODIMP nsTextInputSelectionImpl::IntraLineMove(PRBool aForward, PRBool aExtend) { if (mFrameSelection) return mFrameSelection->IntraLineMove(aForward, aExtend); return NS_ERROR_NULL_POINTER; } NS_IMETHODIMP nsTextInputSelectionImpl::PageMove(PRBool aForward, PRBool aExtend) { // expected behavior for PageMove is to scroll AND move the caret // and to remain relative position of the caret in view. see Bug 4302. if (mPresShellWeak) { nsCOMPtr presShell = do_QueryReferent(mPresShellWeak); if (!presShell) return NS_ERROR_NULL_POINTER; //get the scroll view nsIScrollableView *scrollableView; nsresult result = GetScrollableView(&scrollableView); if (NS_FAILED(result)) return result; CommonPageMove(aForward, aExtend, scrollableView, this); } return ScrollSelectionIntoView(nsISelectionController::SELECTION_NORMAL, nsISelectionController::SELECTION_FOCUS_REGION, PR_TRUE); } NS_IMETHODIMP nsTextInputSelectionImpl::CompleteScroll(PRBool aForward) { nsIScrollableView *scrollableView; nsresult result; result = GetScrollableView(&scrollableView); if (NS_FAILED(result)) return result; if (!scrollableView) return NS_ERROR_NOT_INITIALIZED; return scrollableView->ScrollByWhole(!aForward); //TRUE = top, aForward TRUE=bottom } NS_IMETHODIMP nsTextInputSelectionImpl::CompleteMove(PRBool aForward, PRBool aExtend) { // grab the parent / root DIV for this text widget nsresult result; nsCOMPtr parentDIV; result = GetLimiter(getter_AddRefs(parentDIV)); if (NS_FAILED(result)) return result; if (!parentDIV) return NS_ERROR_UNEXPECTED; // make the caret be either at the very beginning (0) or the very end PRInt32 offset = 0; HINT hint = HINTLEFT; if (aForward) { offset = parentDIV->GetChildCount(); // Prevent the caret from being placed after the last // BR node in the content tree! if (offset > 0) { nsIContent *child = parentDIV->GetChildAt(offset - 1); if (child->Tag() == nsHTMLAtoms::br) { --offset; hint = HINTRIGHT; // for Bug 106855 } } } result = mFrameSelection->HandleClick(parentDIV, offset, offset, aExtend, PR_FALSE, hint); // if we got this far, attempt to scroll no matter what the above result is return CompleteScroll(aForward); } NS_IMETHODIMP nsTextInputSelectionImpl::ScrollPage(PRBool aForward) { nsIScrollableView *scrollableView; nsresult result; result = GetScrollableView(&scrollableView); if (NS_FAILED(result)) return result; if (!scrollableView) return NS_ERROR_NOT_INITIALIZED; return scrollableView->ScrollByPages(0, aForward ? 1 : -1); } NS_IMETHODIMP nsTextInputSelectionImpl::ScrollLine(PRBool aForward) { nsIScrollableView *scrollableView; nsresult result; result = GetScrollableView(&scrollableView); if (NS_FAILED(result)) return result; if (!scrollableView) return NS_ERROR_NOT_INITIALIZED; // will we have bug #7354 because we aren't forcing an update here? return scrollableView->ScrollByLines(0, aForward ? 1 : -1); } NS_IMETHODIMP nsTextInputSelectionImpl::ScrollHorizontal(PRBool aLeft) { nsIScrollableView *scrollableView; nsresult result; result = GetScrollableView(&scrollableView); if (NS_FAILED(result)) return result; if (!scrollableView) return NS_ERROR_NOT_INITIALIZED; // will we have bug #7354 because we aren't forcing an update here? return scrollableView->ScrollByLines(aLeft ? -1 : 1, 0); } NS_IMETHODIMP nsTextInputSelectionImpl::SelectAll() { if (mFrameSelection) return mFrameSelection->SelectAll(); return NS_ERROR_NULL_POINTER; } NS_IMETHODIMP nsTextInputSelectionImpl::CheckVisibility(nsIDOMNode *node, PRInt16 startOffset, PRInt16 EndOffset, PRBool *_retval) { if (!mPresShellWeak) return NS_ERROR_NOT_INITIALIZED; nsresult result; nsCOMPtr shell = do_QueryReferent(mPresShellWeak, &result); if (shell) { return shell->CheckVisibility(node,startOffset,EndOffset, _retval); } return NS_ERROR_FAILURE; } //nsTextInputSelectionImpl::FRAMESELECTIONAPIS NS_IMETHODIMP nsTextInputSelectionImpl::Init(nsIFocusTracker *aTracker, nsIContent *aLimiter) { return mFrameSelection->Init(aTracker, aLimiter); } NS_IMETHODIMP nsTextInputSelectionImpl::ShutDown() { return mFrameSelection->ShutDown(); } NS_IMETHODIMP nsTextInputSelectionImpl::HandleTextEvent(nsGUIEvent *aGuiEvent) { return mFrameSelection->HandleTextEvent(aGuiEvent); } NS_IMETHODIMP nsTextInputSelectionImpl::HandleKeyEvent(nsIPresContext* aPresContext, nsGUIEvent *aGuiEvent) { return mFrameSelection->HandleKeyEvent(aPresContext, aGuiEvent); } NS_IMETHODIMP nsTextInputSelectionImpl::HandleClick(nsIContent *aNewFocus, PRUint32 aContentOffset, PRUint32 aContentEndOffset , PRBool aContinueSelection, PRBool aMultipleSelection, PRBool aHint) { return mFrameSelection->HandleClick(aNewFocus, aContentOffset, aContentEndOffset , aContinueSelection, aMultipleSelection, aHint); } NS_IMETHODIMP nsTextInputSelectionImpl::HandleDrag(nsIPresContext *aPresContext, nsIFrame *aFrame, nsPoint& aPoint) { return mFrameSelection->HandleDrag(aPresContext, aFrame, aPoint); } NS_IMETHODIMP nsTextInputSelectionImpl::HandleTableSelection(nsIContent *aParentContent, PRInt32 aContentOffset, PRInt32 aTarget, nsMouseEvent *aMouseEvent) { // We should never have a table inside a text control frame! NS_ASSERTION(PR_TRUE, "Calling HandleTableSelection inside nsTextControlFrame!"); return NS_OK; } NS_IMETHODIMP nsTextInputSelectionImpl::StartAutoScrollTimer(nsIPresContext *aPresContext, nsIView *aView, nsPoint& aPoint, PRUint32 aDelay) { return mFrameSelection->StartAutoScrollTimer(aPresContext, aView, aPoint, aDelay); } NS_IMETHODIMP nsTextInputSelectionImpl::StopAutoScrollTimer() { return mFrameSelection->StopAutoScrollTimer(); } NS_IMETHODIMP nsTextInputSelectionImpl::EnableFrameNotification(PRBool aEnable) { return mFrameSelection->EnableFrameNotification(aEnable); } NS_IMETHODIMP nsTextInputSelectionImpl::LookUpSelection(nsIContent *aContent, PRInt32 aContentOffset, PRInt32 aContentLength, SelectionDetails **aReturnDetails, PRBool aSlowCheck) { return mFrameSelection->LookUpSelection(aContent, aContentOffset, aContentLength, aReturnDetails, aSlowCheck); } NS_IMETHODIMP nsTextInputSelectionImpl::SetMouseDownState(PRBool aState) { return mFrameSelection->SetMouseDownState(aState); } NS_IMETHODIMP nsTextInputSelectionImpl::GetMouseDownState(PRBool *aState) { return mFrameSelection->GetMouseDownState(aState); } NS_IMETHODIMP nsTextInputSelectionImpl::SetDelayCaretOverExistingSelection(PRBool aDelay) { return mFrameSelection->SetDelayCaretOverExistingSelection(aDelay); } NS_IMETHODIMP nsTextInputSelectionImpl::GetDelayCaretOverExistingSelection(PRBool *aDelay) { return mFrameSelection->GetDelayCaretOverExistingSelection(aDelay); } NS_IMETHODIMP nsTextInputSelectionImpl::SetDelayedCaretData(nsMouseEvent *aMouseEvent) { return mFrameSelection->SetDelayedCaretData(aMouseEvent); } NS_IMETHODIMP nsTextInputSelectionImpl::GetDelayedCaretData(nsMouseEvent **aMouseEvent) { return mFrameSelection->GetDelayedCaretData(aMouseEvent); } NS_IMETHODIMP nsTextInputSelectionImpl::GetLimiter(nsIContent **aLimiterContent) { return mFrameSelection->GetLimiter(aLimiterContent); } NS_IMETHODIMP nsTextInputSelectionImpl::GetTableCellSelection(PRBool *aState) { return mFrameSelection->GetTableCellSelection(aState); } NS_IMETHODIMP nsTextInputSelectionImpl::GetFrameForNodeOffset(nsIContent *aNode, PRInt32 aOffset, HINT aHint, nsIFrame **aReturnFrame, PRInt32 *aReturnOffset) { return mFrameSelection->GetFrameForNodeOffset(aNode, aOffset, aHint,aReturnFrame,aReturnOffset); } NS_IMETHODIMP nsTextInputSelectionImpl::AdjustOffsetsFromStyle(nsIFrame *aFrame, PRBool *changeSelection, nsIContent** outContent, PRInt32* outStartOffset, PRInt32* outEndOffset) { return mFrameSelection->AdjustOffsetsFromStyle(aFrame, changeSelection, outContent, outStartOffset, outEndOffset); } NS_IMETHODIMP nsTextInputSelectionImpl::GetHint(nsIFrameSelection::HINT *aHint) { return mFrameSelection->GetHint(aHint); } NS_IMETHODIMP nsTextInputSelectionImpl::SetHint(nsIFrameSelection::HINT aHint) { return mFrameSelection->SetHint(aHint); } NS_IMETHODIMP nsTextInputSelectionImpl::SetScrollableView(nsIScrollableView *aScrollableView) { return mFrameSelection->SetScrollableView(aScrollableView); } NS_IMETHODIMP nsTextInputSelectionImpl::GetScrollableView(nsIScrollableView **aScrollableView) { return mFrameSelection->GetScrollableView(aScrollableView); } NS_IMETHODIMP nsTextInputSelectionImpl::SetMouseDoubleDown(PRBool aDoubleDown) { return mFrameSelection->SetMouseDoubleDown(aDoubleDown); } NS_IMETHODIMP nsTextInputSelectionImpl::GetMouseDoubleDown(PRBool *aDoubleDown) { return mFrameSelection->GetMouseDoubleDown(aDoubleDown); } NS_IMETHODIMP nsTextInputSelectionImpl::MaintainSelection() { return mFrameSelection->MaintainSelection(); } NS_IMETHODIMP nsTextInputSelectionImpl::CommonPageMove(PRBool aForward, PRBool aExtend, nsIScrollableView *aScrollableView, nsIFrameSelection *aFrameSel) { return mFrameSelection->CommonPageMove(aForward, aExtend, aScrollableView, this); } #ifdef IBMBIDI NS_IMETHODIMP nsTextInputSelectionImpl::GetPrevNextBidiLevels(nsIPresContext *aPresContext, nsIContent *aNode, PRUint32 aContentOffset, nsIFrame **aPrevFrame, nsIFrame **aNextFrame, PRUint8 *aPrevLevel, PRUint8 *aNextLevel) { if (mFrameSelection) return mFrameSelection->GetPrevNextBidiLevels(aPresContext, aNode, aContentOffset, aPrevFrame, aNextFrame, aPrevLevel, aNextLevel); return NS_ERROR_FAILURE; } NS_IMETHODIMP nsTextInputSelectionImpl::GetFrameFromLevel(nsIPresContext *aPresContext, nsIFrame *aFrameIn, nsDirection aDirection, PRUint8 aBidiLevel, nsIFrame **aFrameOut) { if (mFrameSelection) return mFrameSelection->GetFrameFromLevel(aPresContext, aFrameIn, aDirection, aBidiLevel, aFrameOut); return NS_ERROR_FAILURE; } #endif // IBMBIDI // END nsTextInputSelectionImpl nsresult NS_NewTextControlFrame(nsIPresShell* aPresShell, nsIFrame** aNewFrame) { NS_PRECONDITION(aNewFrame, "null OUT ptr"); if (nsnull == aNewFrame) { return NS_ERROR_NULL_POINTER; } nsTextControlFrame* it = new (aPresShell) nsTextControlFrame(aPresShell); if (!it) { return NS_ERROR_OUT_OF_MEMORY; } *aNewFrame = it; return NS_OK; } NS_IMPL_ADDREF_INHERITED(nsTextControlFrame, nsBoxFrame) NS_IMPL_RELEASE_INHERITED(nsTextControlFrame, nsBoxFrame) NS_IMETHODIMP nsTextControlFrame::QueryInterface(const nsIID& aIID, void** aInstancePtr) { if (NULL == aInstancePtr) { return NS_ERROR_NULL_POINTER; } if (aIID.Equals(NS_GET_IID(nsIFormControlFrame))) { *aInstancePtr = (void*) ((nsIFormControlFrame*) this); return NS_OK; } if (aIID.Equals(NS_GET_IID(nsIAnonymousContentCreator))) { *aInstancePtr = (void*)(nsIAnonymousContentCreator*) this; return NS_OK; } if (aIID.Equals(NS_GET_IID(nsITextControlFrame))) { *aInstancePtr = (void*)(nsITextControlFrame*) this; return NS_OK; } if (aIID.Equals(NS_GET_IID(nsIScrollableViewProvider)) && IsScrollable()) { *aInstancePtr = (void*)(nsIScrollableViewProvider*) this; return NS_OK; } if (aIID.Equals(NS_GET_IID(nsIPhonetic))) { *aInstancePtr = (void*)(nsIPhonetic*) this; return NS_OK; } return nsBoxFrame::QueryInterface(aIID, aInstancePtr); } #ifdef ACCESSIBILITY NS_IMETHODIMP nsTextControlFrame::GetAccessible(nsIAccessible** aAccessible) { nsCOMPtr accService = do_GetService("@mozilla.org/accessibilityService;1"); if (accService) { return accService->CreateHTMLTextFieldAccessible(NS_STATIC_CAST(nsIFrame*, this), aAccessible); } return NS_ERROR_FAILURE; } #endif nsTextControlFrame::nsTextControlFrame(nsIPresShell* aShell) : nsStackFrame(aShell) { mUseEditor = PR_FALSE; mIsProcessing = PR_FALSE; mNotifyOnInput = PR_FALSE; mSuggestedWidth = NS_FORMSIZE_NOTSET; mSuggestedHeight = NS_FORMSIZE_NOTSET; mScrollableView = nsnull; mDidPreDestroy = PR_FALSE; } nsTextControlFrame::~nsTextControlFrame() { //delete mTextListener; //delete mTextSelImpl; dont delete this since mSelCon will release it. } static PRBool SuppressEventHandlers(nsIPresContext* aPresContext) { PRBool suppressHandlers = PR_FALSE; if (aPresContext) { // Right now we only suppress event handlers and controller manipulation // when in a print preview or print context! #ifdef USE_QI_IN_SUPPRESS_EVENT_HANDLERS // Using QI to see if we're printing or print previewing is more // accurate, but a bit more heavy weight then just checking // the pagination bool, which will return the right answer to us // with the current implementation. nsCOMPtr printContext = do_QueryInterface(aPresContext); if (printContext) suppressHandlers = PR_TRUE; else { nsCOMPtr printPreviewContext = do_QueryInterface(aPresContext); if (printPreviewContext) suppressHandlers = PR_TRUE; } #else // In the current implementation, we only paginate when // printing or in print preview. suppressHandlers = aPresContext->IsPaginated(); #endif } return suppressHandlers; } void nsTextControlFrame::PreDestroy(nsIPresContext* aPresContext) { // notify the editor that we are going away if (mEditor) { // If we were in charge of state before, relinquish it back // to the control. if (mUseEditor) { // First get the frame state from the editor nsAutoString value; GetValue(value, PR_TRUE); mUseEditor = PR_FALSE; // Next store the frame state in the control // (now that mUseEditor is false values get stored // in content). SetValue(value); } mEditor->PreDestroy(); } // Clean up the controller if (!SuppressEventHandlers(aPresContext)) { nsCOMPtr controllers; nsCOMPtr inputElement = do_QueryInterface(mContent); if (inputElement) inputElement->GetControllers(getter_AddRefs(controllers)); else { nsCOMPtr textAreaElement = do_QueryInterface(mContent); textAreaElement->GetControllers(getter_AddRefs(controllers)); } if (controllers) { PRUint32 numControllers; nsresult rv = controllers->GetControllerCount(&numControllers); NS_ASSERTION((NS_SUCCEEDED(rv)), "bad result in gfx text control destructor"); for (PRUint32 i = 0; i < numControllers; i ++) { nsCOMPtr controller; rv = controllers->GetControllerAt(i, getter_AddRefs(controller)); if (NS_SUCCEEDED(rv) && controller) { nsCOMPtr editController = do_QueryInterface(controller); if (editController) { editController->SetCommandContext(nsnull); } } } } } mSelCon = 0; mEditor = 0; //unregister self from content mTextListener->SetFrame(nsnull); nsFormControlFrame::RegUnRegAccessKey(aPresContext, NS_STATIC_CAST(nsIFrame*, this), PR_FALSE); if (mTextListener) { nsCOMPtr erP = do_QueryInterface(mContent); if (erP) { erP->RemoveEventListenerByIID(NS_STATIC_CAST(nsIDOMFocusListener *,mTextListener), NS_GET_IID(nsIDOMFocusListener)); } } mDidPreDestroy = PR_TRUE; } NS_IMETHODIMP nsTextControlFrame::Destroy(nsIPresContext* aPresContext) { if (!mDidPreDestroy) { PreDestroy(aPresContext); } return nsBoxFrame::Destroy(aPresContext); } void nsTextControlFrame::RemovedAsPrimaryFrame(nsIPresContext* aPresContext) { if (!mDidPreDestroy) { PreDestroy(aPresContext); } else NS_ASSERTION(PR_FALSE, "RemovedAsPrimaryFrame called after PreDestroy"); } nsIAtom* nsTextControlFrame::GetType() const { return nsLayoutAtoms::textInputFrame; } // XXX: wouldn't it be nice to get this from the style context! PRBool nsTextControlFrame::IsSingleLineTextControl() const { PRInt32 type = GetFormControlType(); return (type == NS_FORM_INPUT_TEXT) || (type == NS_FORM_INPUT_PASSWORD); } PRBool nsTextControlFrame::IsTextArea() const { return mContent && mContent->Tag() == nsHTMLAtoms::textarea; } // XXX: wouldn't it be nice to get this from the style context! PRBool nsTextControlFrame::IsPlainTextControl() const { // need to check HTML attribute of mContent and/or CSS. return PR_TRUE; } PRBool nsTextControlFrame::IsPasswordTextControl() const { return GetFormControlType() == NS_FORM_INPUT_PASSWORD; } PRInt32 nsTextControlFrame::GetCols() { nsCOMPtr content = do_QueryInterface(mContent); NS_ASSERTION(content, "Content is not HTML content!"); if (IsTextArea()) { nsHTMLValue attr; nsresult rv = content->GetHTMLAttribute(nsHTMLAtoms::cols, attr); if (rv == NS_CONTENT_ATTR_HAS_VALUE) { PRInt32 cols = attr.GetIntValue(); // XXX why a default of 1 char, why hide it return (cols <= 0) ? 1 : cols; } } else { // Else we know (assume) it is an input with size attr nsHTMLValue attr; nsresult rv = content->GetHTMLAttribute(nsHTMLAtoms::size, attr); if (rv == NS_CONTENT_ATTR_HAS_VALUE) { PRInt32 cols = attr.GetIntValue(); if (cols > 0) { return cols; } } } return DEFAULT_COLS; } PRInt32 nsTextControlFrame::GetRows() { if (IsTextArea()) { nsCOMPtr content = do_QueryInterface(mContent); NS_ASSERTION(content, "Content is not HTML content!"); nsHTMLValue attr; nsresult rv = content->GetHTMLAttribute(nsHTMLAtoms::rows, attr); if (rv == NS_CONTENT_ATTR_HAS_VALUE) { PRInt32 rows = attr.GetIntValue(); return (rows <= 0) ? DEFAULT_ROWS_TEXTAREA : rows; } return DEFAULT_ROWS_TEXTAREA; } return DEFAULT_ROWS; } nsresult nsTextControlFrame::ReflowStandard(nsIPresContext* aPresContext, nsSize& aDesiredSize, const nsHTMLReflowState& aReflowState, nsReflowStatus& aStatus) { // get the css size and let the frame use or override it nsSize minSize; nsresult rv = CalculateSizeStandard(aPresContext, aReflowState.rendContext, aDesiredSize, minSize); NS_ENSURE_SUCCESS(rv, rv); // Add in the size of the scrollbars for textarea if (IsTextArea()) { float p2t; p2t = aPresContext->PixelsToTwips(); nsIDeviceContext *dx = aPresContext->DeviceContext(); float scale; dx->GetCanonicalPixelScale(scale); float sbWidth; float sbHeight; dx->GetScrollBarDimensions(sbWidth, sbHeight); nscoord scrollbarWidth = PRInt32(sbWidth * scale); nscoord scrollbarHeight = PRInt32(sbHeight * scale); aDesiredSize.height += scrollbarHeight; minSize.height += scrollbarHeight; aDesiredSize.width += scrollbarWidth; minSize.width += scrollbarWidth; } aDesiredSize.width += aReflowState.mComputedBorderPadding.left + aReflowState.mComputedBorderPadding.right; aDesiredSize.height += aReflowState.mComputedBorderPadding.top + aReflowState.mComputedBorderPadding.bottom; NS_FRAME_SET_TRUNCATION(aStatus, aReflowState, aDesiredSize); return NS_OK; } nsresult nsTextControlFrame::CalculateSizeStandard(nsIPresContext* aPresContext, nsIRenderingContext* aRendContext, nsSize& aDesiredSize, nsSize& aMinSize) { aDesiredSize.width = CSS_NOTSET; aDesiredSize.height = CSS_NOTSET; // Get leading and the Average/MaxAdvance char width nscoord fontHeight = 0; nscoord charWidth = 0; nscoord charMaxAdvance = 0; nsCOMPtr fontMet; nsresult rv = nsFormControlHelper::GetFrameFontFM(aPresContext, this, getter_AddRefs(fontMet)); NS_ENSURE_SUCCESS(rv, rv); aRendContext->SetFont(fontMet); fontMet->GetHeight(fontHeight); fontMet->GetAveCharWidth(charWidth); fontMet->GetMaxAdvance(charMaxAdvance); // Set the width equal to the width in characters aDesiredSize.width = GetCols() * charWidth; // To better match IE, take the maximum character width(in twips) and remove // 4 pixels add this on as additional padding(internalPadding). But only do // this if charMaxAdvance != charWidth; if they are equal, this is almost // certainly a fixed-width font. if (charWidth != charMaxAdvance) { float p2t; p2t = aPresContext->PixelsToTwips(); nscoord internalPadding = PR_MAX(charMaxAdvance - NSToCoordRound(4 * p2t), 0); // round to a multiple of p2t nscoord t = NSToCoordRound(p2t); nscoord rest = internalPadding % t; if (rest < t - rest) { internalPadding -= rest; } else { internalPadding += t - rest; } // Now add the extra padding on (so that small input sizes work well) aDesiredSize.width += internalPadding; } else { // This is to account for the anonymous
having a 1 twip width // in Full Standards mode, see BRFrame::Reflow and bug 228752. if (aPresContext->CompatibilityMode() == eCompatibility_FullStandards) { aDesiredSize.width += 1; } } // Set the height equal to total number of rows (times the height of each // line, of course) aDesiredSize.height = fontHeight * GetRows(); // Set minimum size equal to desired size. We are form controls. We are Gods // among elements. We do not yield for anybody, not even a table cell. None // shall pass. aMinSize.width = aDesiredSize.width; aMinSize.height = aDesiredSize.height; return NS_OK; } void nsTextControlFrame::PostCreateFrames() { InitEditor(); } NS_IMETHODIMP nsTextControlFrame::CreateFrameFor(nsIPresContext* aPresContext, nsIContent * aContent, nsIFrame** aFrame) { *aFrame = nsnull; return NS_ERROR_FAILURE; } nsresult nsTextControlFrame::InitEditor() { // This method must be called during/after the text // control frame's initial reflow to avoid any unintened // forced reflows that might result when the editor // calls into DOM/layout code while trying to set the // initial string. // // This code used to be called from CreateAnonymousContent(), // but when the editor set the initial string, it would trigger // a PresShell listener which called FlushPendingNotifications() // during frame construction. This was causing other form controls // to display wrong values. // Check if this method has been called already. // If so, just return early. if (mUseEditor) return NS_OK; // If the editor is not here, then we can't use it, now can we? if (!mEditor) return NS_ERROR_NOT_INITIALIZED; // Get the current value of the textfield from the content. nsAutoString defaultValue; GetValue(defaultValue, PR_TRUE); // Turn on mUseEditor so that subsequent calls will use the // editor. mUseEditor = PR_TRUE; // If we have a default value, insert it under the div we created // above, but be sure to use the editor so that '*' characters get // displayed for password fields, etc. SetValue() will call the // editor for us. if (!defaultValue.IsEmpty()) { PRUint32 editorFlags = 0; nsresult rv = mEditor->GetFlags(&editorFlags); if (NS_FAILED(rv)) return rv; // Avoid causing reentrant painting and reflowing by telling the editor // that we don't want it to force immediate view refreshes or force // immediate reflows during any editor calls. rv = mEditor->SetFlags(editorFlags | nsIPlaintextEditor::eEditorUseAsyncUpdatesMask); if (NS_FAILED(rv)) return rv; // Now call SetValue() which will make the neccessary editor calls to set // the default value. Make sure to turn off undo before setting the default // value, and turn it back on afterwards. This will make sure we can't undo // past the default value. rv = mEditor->EnableUndo(PR_FALSE); if (NS_FAILED(rv)) return rv; SetValue(defaultValue); rv = mEditor->EnableUndo(PR_TRUE); NS_ASSERTION(NS_SUCCEEDED(rv),"Transaction Manager must have failed"); // Now restore the original editor flags. rv = mEditor->SetFlags(editorFlags); if (NS_FAILED(rv)) return rv; } return NS_OK; } NS_IMETHODIMP nsTextControlFrame::CreateAnonymousContent(nsIPresContext* aPresContext, nsISupportsArray& aChildList) { // Get the PresShell mState |= NS_FRAME_INDEPENDENT_SELECTION; nsIPresShell *shell = aPresContext->GetPresShell(); if (!shell) return NS_ERROR_FAILURE; // Get the DOM document nsCOMPtr doc; nsresult rv = shell->GetDocument(getter_AddRefs(doc)); if (NS_FAILED(rv)) return rv; if (!doc) return NS_ERROR_FAILURE; nsCOMPtr domdoc = do_QueryInterface(doc, &rv); if (NS_FAILED(rv)) return rv; if (!domdoc) return NS_ERROR_FAILURE; // Now create a DIV and add it to the anonymous content child list. nsCOMPtr nodeInfo; rv = doc->NodeInfoManager()->GetNodeInfo(nsHTMLAtoms::div, nsnull, kNameSpaceID_XHTML, getter_AddRefs(nodeInfo)); if (NS_FAILED(rv)) return rv; if (!nodeInfo) return NS_ERROR_FAILURE; nsCOMPtr divContent; rv = NS_NewHTMLElement(getter_AddRefs(divContent), nodeInfo); if (NS_FAILED(rv)) return rv; if (!divContent) return NS_ERROR_FAILURE; // Set the div native anonymous, so CSS will be its style language // no matter what. divContent->SetNativeAnonymous(PR_TRUE); // Set the neccessary style attributes on the text control. rv = divContent->SetAttr(kNameSpaceID_None, nsHTMLAtoms::kClass, NS_LITERAL_STRING("anonymous-div"), PR_FALSE); if (!IsSingleLineTextControl()) { // We can't just inherit the overflow because setting visible overflow will // crash when the number of lines exceeds the height of the textarea and // setting -moz-hidden-unscrollable overflow (NS_STYLE_OVERFLOW_HIDDEN) // doesn't paint the caret for some reason. const nsStyleDisplay* disp = GetStyleDisplay(); if (disp->mOverflow != NS_STYLE_OVERFLOW_AUTO && // this is the default disp->mOverflow != NS_STYLE_OVERFLOW_VISIBLE && disp->mOverflow != NS_STYLE_OVERFLOW_HIDDEN) { rv = divContent->SetAttr(kNameSpaceID_None, nsHTMLAtoms::style, NS_LITERAL_STRING("overflow: inherit;"), PR_FALSE); } } if (NS_FAILED(rv)) return rv; // rv = divContent->SetAttr(kNameSpaceID_None,nsXULAtoms::debug, NS_LITERAL_STRING("true"), PR_FALSE); rv = aChildList.AppendElement(divContent); if (NS_FAILED(rv)) return rv; // Create an editor rv = nsComponentManager::CreateInstance(kTextEditorCID, nsnull, NS_GET_IID(nsIEditor), getter_AddRefs(mEditor)); if (NS_FAILED(rv)) return rv; if (!mEditor) return NS_ERROR_OUT_OF_MEMORY; // Create selection nsCOMPtr frameSel; rv = nsComponentManager::CreateInstance(kFrameSelectionCID, nsnull, NS_GET_IID(nsIFrameSelection), getter_AddRefs(frameSel)); // Create a SelectionController mTextSelImpl = new nsTextInputSelectionImpl(frameSel,shell,divContent); if (!mTextSelImpl) return NS_ERROR_OUT_OF_MEMORY; mTextListener = new nsTextInputListener(); if (!mTextListener) return NS_ERROR_OUT_OF_MEMORY; mTextListener->SetFrame(this); mSelCon = do_QueryInterface((nsISupports *)(nsISelectionController *)mTextSelImpl);//this will addref it once if (!mSelCon) return NS_ERROR_NO_INTERFACE; mSelCon->SetDisplaySelection(nsISelectionController::SELECTION_ON); // Setup the editor flags PRUint32 editorFlags = 0; if (IsPlainTextControl()) editorFlags |= nsIPlaintextEditor::eEditorPlaintextMask; if (IsSingleLineTextControl()) editorFlags |= nsIPlaintextEditor::eEditorSingleLineMask; if (IsPasswordTextControl()) editorFlags |= nsIPlaintextEditor::eEditorPasswordMask; // All gfxtextcontrolframe2's are widgets editorFlags |= nsIPlaintextEditor::eEditorWidgetMask; // Use async reflow and painting for text widgets to improve // performance. // XXX: Using editor async updates exposes bugs 158782, 151882, // and 165130, so we're disabling it for now, until they // can be addressed. // editorFlags |= nsIPlaintextEditor::eEditorUseAsyncUpdatesMask; // Now initialize the editor. // // NOTE: Conversion of '\n' to
happens inside the // editor's Init() call. rv = mEditor->Init(domdoc, shell, divContent, mSelCon, editorFlags); if (NS_FAILED(rv)) return rv; // Initialize the controller for the editor if (!SuppressEventHandlers(aPresContext)) { nsCOMPtr controllers; nsCOMPtr inputElement = do_QueryInterface(mContent); if (inputElement) rv = inputElement->GetControllers(getter_AddRefs(controllers)); else { nsCOMPtr textAreaElement = do_QueryInterface(mContent); if (!textAreaElement) return NS_ERROR_FAILURE; rv = textAreaElement->GetControllers(getter_AddRefs(controllers)); } if (NS_FAILED(rv)) return rv; if (controllers) { PRUint32 numControllers; PRBool found = PR_FALSE; rv = controllers->GetControllerCount(&numControllers); for (PRUint32 i = 0; i < numControllers; i ++) { nsCOMPtr controller; rv = controllers->GetControllerAt(i, getter_AddRefs(controller)); if (NS_SUCCEEDED(rv) && controller) { nsCOMPtr editController = do_QueryInterface(controller); if (editController) { editController->SetCommandContext(mEditor); found = PR_TRUE; } } } if (!found) rv = NS_ERROR_FAILURE; } } // Initialize the plaintext editor nsCOMPtr textEditor(do_QueryInterface(mEditor)); if (textEditor) { // Set up wrapping if (IsTextArea()) { // wrap=off means -1 for wrap width no matter what cols is nsFormControlHelper::nsHTMLTextWrap wrapProp; nsFormControlHelper::GetWrapPropertyEnum(mContent, wrapProp); if (wrapProp == nsFormControlHelper::eHTMLTextWrap_Off) { // do not wrap when wrap=off textEditor->SetWrapWidth(-1); } else { // Set wrapping normally otherwise textEditor->SetWrapWidth(GetCols()); } } else { // Never wrap non-textareas textEditor->SetWrapWidth(-1); } // Set max text field length PRInt32 maxLength; rv = GetMaxLength(&maxLength); if (NS_CONTENT_ATTR_NOT_THERE != rv) { textEditor->SetMaxTextLength(maxLength); } } // Get the caret and make it a selection listener. nsCOMPtr domSelection; if (NS_SUCCEEDED(mSelCon->GetSelection(nsISelectionController::SELECTION_NORMAL, getter_AddRefs(domSelection))) && domSelection) { nsCOMPtr selPriv(do_QueryInterface(domSelection)); nsCOMPtr caret; nsCOMPtr listener; if (NS_SUCCEEDED(shell->GetCaret(getter_AddRefs(caret))) && caret) { listener = do_QueryInterface(caret); if (listener) { selPriv->AddSelectionListener(listener); } } selPriv->AddSelectionListener(NS_STATIC_CAST(nsISelectionListener *, mTextListener)); } if (mContent) { rv = mEditor->GetFlags(&editorFlags); if (NS_FAILED(rv)) return rv; nsAutoString resultValue; // Check if the readonly attribute is set. rv = mContent->GetAttr(kNameSpaceID_None, nsHTMLAtoms::readonly, resultValue); if (NS_FAILED(rv)) return rv; if (NS_CONTENT_ATTR_NOT_THERE != rv) editorFlags |= nsIPlaintextEditor::eEditorReadonlyMask; // Check if the disabled attribute is set. rv = mContent->GetAttr(kNameSpaceID_None, nsHTMLAtoms::disabled, resultValue); if (NS_FAILED(rv)) return rv; if (NS_CONTENT_ATTR_NOT_THERE != rv) editorFlags |= nsIPlaintextEditor::eEditorDisabledMask; // Disable the caret and selection if neccessary. if (editorFlags & nsIPlaintextEditor::eEditorReadonlyMask || editorFlags & nsIPlaintextEditor::eEditorDisabledMask) { if (mSelCon) { //do not turn caret enabled off at this time. the caret will behave //dependant on the focused frame it is in. disabling it here has //an adverse affect on the browser in caret display mode or the editor //when a readonly/disabled text form is in the page. bug 141888 //mSelCon->SetCaretEnabled(PR_FALSE); if (editorFlags & nsIPlaintextEditor::eEditorDisabledMask) mSelCon->SetDisplaySelection(nsISelectionController::SELECTION_OFF); } mEditor->SetFlags(editorFlags); } } return NS_OK; } NS_IMETHODIMP nsTextControlFrame::Reflow(nsIPresContext* aPresContext, nsHTMLReflowMetrics& aDesiredSize, const nsHTMLReflowState& aReflowState, nsReflowStatus& aStatus) { DO_GLOBAL_REFLOW_COUNT("nsTextControlFrame", aReflowState.reason); DISPLAY_REFLOW(aPresContext, this, aReflowState, aDesiredSize, aStatus); // make sure the the form registers itself on the initial/first reflow if (mState & NS_FRAME_FIRST_REFLOW) { nsFormControlFrame::RegUnRegAccessKey(aPresContext, NS_STATIC_CAST(nsIFrame*, this), PR_TRUE); mNotifyOnInput = PR_TRUE;//its ok to notify now. all has been prepared. } nsresult rv = nsStackFrame::Reflow(aPresContext, aDesiredSize, aReflowState, aStatus); if (NS_SUCCEEDED(rv)) { // fix for bug 40596, width:auto means the control sets it's mMaxElementWidth to it's default width if (aDesiredSize.mComputeMEW) { const nsStylePosition* stylePosition = GetStylePosition(); nsStyleUnit widthUnit = stylePosition->mWidth.GetUnit(); if (eStyleUnit_Auto == widthUnit) { aDesiredSize.mMaxElementWidth = aDesiredSize.width; } } } return rv; } NS_IMETHODIMP nsTextControlFrame::Paint(nsIPresContext* aPresContext, nsIRenderingContext& aRenderingContext, const nsRect& aDirtyRect, nsFramePaintLayer aWhichLayer, PRUint32 aFlags) { PRBool isVisible; if (NS_SUCCEEDED(IsVisibleForPainting(aPresContext, aRenderingContext, PR_TRUE, &isVisible)) && !isVisible) { return NS_OK; } nsresult rv = NS_OK; if (aWhichLayer == NS_FRAME_PAINT_LAYER_FOREGROUND) { rv = nsStackFrame::Paint(aPresContext, aRenderingContext, aDirtyRect, NS_FRAME_PAINT_LAYER_BACKGROUND); if (NS_FAILED(rv)) return rv; rv = nsStackFrame::Paint(aPresContext, aRenderingContext, aDirtyRect, NS_FRAME_PAINT_LAYER_FLOATS); if (NS_FAILED(rv)) return rv; rv = nsStackFrame::Paint(aPresContext, aRenderingContext, aDirtyRect, NS_FRAME_PAINT_LAYER_FOREGROUND); } DO_GLOBAL_REFLOW_COUNT_DSP("nsTextControlFrame", &aRenderingContext); return rv; } NS_IMETHODIMP nsTextControlFrame::GetFrameForPoint(nsIPresContext* aPresContext, const nsPoint& aPoint, nsFramePaintLayer aWhichLayer, nsIFrame** aFrame) { nsresult rv = NS_ERROR_FAILURE; if (aWhichLayer == NS_FRAME_PAINT_LAYER_FOREGROUND) { rv = nsStackFrame::GetFrameForPoint(aPresContext, aPoint, NS_FRAME_PAINT_LAYER_FOREGROUND, aFrame); if (NS_SUCCEEDED(rv)) return NS_OK; rv = nsStackFrame::GetFrameForPoint(aPresContext, aPoint, NS_FRAME_PAINT_LAYER_FLOATS, aFrame); if (NS_SUCCEEDED(rv)) return NS_OK; rv = nsStackFrame::GetFrameForPoint(aPresContext, aPoint, NS_FRAME_PAINT_LAYER_BACKGROUND, aFrame); } return rv; } NS_IMETHODIMP nsTextControlFrame::GetPrefSize(nsBoxLayoutState& aState, nsSize& aSize) { if (!DoesNeedRecalc(mPrefSize)) { aSize = mPrefSize; return NS_OK; } #ifdef DEBUG_LAYOUT PropagateDebug(aState); #endif aSize.width = 0; aSize.height = 0; PRBool collapsed = PR_FALSE; IsCollapsed(aState, collapsed); if (collapsed) return NS_OK; nsIPresContext* presContext = aState.PresContext(); const nsHTMLReflowState* reflowState = aState.GetReflowState(); nsSize styleSize(CSS_NOTSET,CSS_NOTSET); nsFormControlFrame::GetStyleSize(presContext, *reflowState, styleSize); if (!reflowState) return NS_OK; if (mState & NS_FRAME_FIRST_REFLOW) mNotifyOnInput = PR_TRUE; //its ok to notify now. all has been prepared. nsReflowStatus status; nsresult rv = ReflowStandard(presContext, aSize, *reflowState, status); NS_ENSURE_SUCCESS(rv, rv); AddInset(aSize); mPrefSize = aSize; #ifdef DEBUG_rods { nsMargin borderPadding(0,0,0,0); GetBorderAndPadding(borderPadding); nsSize size(169, 24); nsSize actual(aSize.width/15, aSize.height/15); printf("nsGfxText(field) %d,%d %d,%d %d,%d\n", size.width, size.height, actual.width, actual.height, actual.width-size.width, actual.height-size.height); // text field } #endif return NS_OK; } NS_IMETHODIMP nsTextControlFrame::GetMinSize(nsBoxLayoutState& aState, nsSize& aSize) { #define FIX_FOR_BUG_40596 #ifdef FIX_FOR_BUG_40596 aSize = mMinSize; return NS_OK; #else return nsBox::GetMinSize(aState, aSize); #endif } NS_IMETHODIMP nsTextControlFrame::GetMaxSize(nsBoxLayoutState& aState, nsSize& aSize) { return nsBox::GetMaxSize(aState, aSize); } NS_IMETHODIMP nsTextControlFrame::GetAscent(nsBoxLayoutState& aState, nscoord& aAscent) { // First calculate the ascent of the text inside nsresult rv = nsStackFrame::GetAscent(aState, aAscent); NS_ENSURE_SUCCESS(rv, rv); // Now adjust the ascent for our borders and padding aAscent += aState.GetReflowState()->mComputedBorderPadding.top; return NS_OK; } //IMPLEMENTING NS_IFORMCONTROLFRAME NS_IMETHODIMP nsTextControlFrame::GetName(nsAString* aResult) { return nsFormControlHelper::GetName(mContent, aResult); } NS_IMETHODIMP_(PRInt32) nsTextControlFrame::GetFormControlType() const { return nsFormControlHelper::GetType(mContent); } static PRBool IsFocusedContent(nsIPresContext* aPresContext, nsIContent* aContent) { nsCOMPtr focusedContent; aPresContext->EventStateManager()-> GetFocusedContent(getter_AddRefs(focusedContent)); return focusedContent == aContent; } void nsTextControlFrame::SetFocus(PRBool aOn, PRBool aRepaint) { if (!aOn || !mSelCon) return; // onfocus="some_where_else.focus()" can trigger several focus // in succession. Here, we only care if we are the winner. // @see also nsTextEditorFocusListener::Focus() if (!IsFocusedContent(GetPresContext(), mContent)) return; // tell the caret to use our selection nsCOMPtr ourSel; mSelCon->GetSelection(nsISelectionController::SELECTION_NORMAL, getter_AddRefs(ourSel)); if (!ourSel) return; nsIPresShell* presShell = GetPresContext()->GetPresShell(); nsCOMPtr caret; presShell->GetCaret(getter_AddRefs(caret)); if (!caret) return; caret->SetCaretDOMSelection(ourSel); // mutual-exclusion: the selection is either controlled by the // document or by the text input/area. Clear any selection in the // document since the focus is now on our independent selection. nsCOMPtr selCon(do_QueryInterface(presShell)); nsCOMPtr docSel; selCon->GetSelection(nsISelectionController::SELECTION_NORMAL, getter_AddRefs(docSel)); if (!docSel) return; PRBool isCollapsed = PR_FALSE; docSel->GetIsCollapsed(&isCollapsed); if (!isCollapsed) docSel->RemoveAllRanges(); } void nsTextControlFrame::ScrollIntoView(nsIPresContext* aPresContext) { if (aPresContext) { nsIPresShell *presShell = aPresContext->GetPresShell(); if (presShell) { presShell->ScrollFrameIntoView(this, NS_PRESSHELL_SCROLL_IF_NOT_VISIBLE,NS_PRESSHELL_SCROLL_IF_NOT_VISIBLE); } } } void nsTextControlFrame::MouseClicked(nsIPresContext* aPresContext){} nscoord nsTextControlFrame::GetVerticalInsidePadding(nsIPresContext* aPresContext, float aPixToTwip, nscoord aInnerHeight) const { return NSIntPixelsToTwips(0, aPixToTwip); } //--------------------------------------------------------- nscoord nsTextControlFrame::GetHorizontalInsidePadding(nsIPresContext* aPresContext, float aPixToTwip, nscoord aInnerWidth, nscoord aCharWidth) const { return GetVerticalInsidePadding(aPresContext, aPixToTwip, aInnerWidth); } NS_IMETHODIMP nsTextControlFrame::SetSuggestedSize(nscoord aWidth, nscoord aHeight) { mSuggestedWidth = aWidth; mSuggestedHeight = aHeight; return NS_OK; } NS_IMETHODIMP nsTextControlFrame::GetFont(nsIPresContext* aPresContext, const nsFont*& aFont) { return nsFormControlHelper::GetFont(this, aPresContext, mStyleContext, aFont); } NS_IMETHODIMP nsTextControlFrame::GetFormContent(nsIContent*& aContent) const { aContent = GetContent(); NS_IF_ADDREF(aContent); return NS_OK; } NS_IMETHODIMP nsTextControlFrame::SetProperty(nsIPresContext* aPresContext, nsIAtom* aName, const nsAString& aValue) { if (!mIsProcessing)//some kind of lock. { mIsProcessing = PR_TRUE; if (nsHTMLAtoms::value == aName) { if (mEditor && mUseEditor) { // If the editor exists, the control needs to be informed that the value // has changed. SetValueChanged(PR_TRUE); } SetValue(aValue); // set new text value } else if (nsHTMLAtoms::select == aName && mSelCon) { // Select all the text. // // XXX: This is lame, we can't call mEditor->SelectAll() // because that triggers AutoCopies in unix builds. // Instead, we have to call our own homegrown version // of select all which merely builds a range that selects // all of the content and adds that to the selection. SelectAllContents(); } mIsProcessing = PR_FALSE; } return NS_OK; } NS_IMETHODIMP nsTextControlFrame::GetProperty(nsIAtom* aName, nsAString& aValue) { // Return the value of the property from the widget it is not null. // If widget is null, assume the widget is GFX-rendered and return a member variable instead. if (nsHTMLAtoms::value == aName) { GetValue(aValue, PR_FALSE); } return NS_OK; } NS_IMETHODIMP nsTextControlFrame::GetEditor(nsIEditor **aEditor) { NS_ENSURE_ARG_POINTER(aEditor); *aEditor = mEditor; NS_IF_ADDREF(*aEditor); return NS_OK; } NS_IMETHODIMP nsTextControlFrame::OwnsValue(PRBool* aOwnsValue) { NS_PRECONDITION(aOwnsValue, "aOwnsValue must be non-null"); *aOwnsValue = mUseEditor; return NS_OK; } NS_IMETHODIMP nsTextControlFrame::GetTextLength(PRInt32* aTextLength) { NS_ENSURE_ARG_POINTER(aTextLength); nsAutoString textContents; GetValue(textContents, PR_FALSE); // this is expensive! *aTextLength = textContents.Length(); return NS_OK; } nsresult nsTextControlFrame::SetSelectionInternal(nsIDOMNode *aStartNode, PRInt32 aStartOffset, nsIDOMNode *aEndNode, PRInt32 aEndOffset) { // Create a new range to represent the new selection. // Note that we use a new range to avoid having to do // isIncreasing checks to avoid possible errors. nsCOMPtr range = do_CreateInstance(kRangeCID); NS_ENSURE_TRUE(range, NS_ERROR_FAILURE); nsresult rv = range->SetStart(aStartNode, aStartOffset); NS_ENSURE_SUCCESS(rv, rv); rv = range->SetEnd(aEndNode, aEndOffset); NS_ENSURE_SUCCESS(rv, rv); // Get the selection, clear it and add the new range to it! nsCOMPtr selection; mTextSelImpl->GetSelection(nsISelectionController::SELECTION_NORMAL, getter_AddRefs(selection)); NS_ENSURE_TRUE(selection, NS_ERROR_FAILURE); rv = selection->RemoveAllRanges(); NS_ENSURE_SUCCESS(rv, rv); return selection->AddRange(range); } nsresult nsTextControlFrame::SelectAllContents() { if (!mEditor) return NS_OK; nsCOMPtr rootElement; nsresult rv = mEditor->GetRootElement(getter_AddRefs(rootElement)); NS_ENSURE_SUCCESS(rv, rv); nsCOMPtr rootContent = do_QueryInterface(rootElement); PRInt32 numChildren = rootContent->GetChildCount(); if (numChildren > 0) { // We never want to place the selection after the last // br under the root node! nsIContent *child = rootContent->GetChildAt(numChildren - 1); if (child) { if (child->Tag() == nsHTMLAtoms::br) --numChildren; } } nsCOMPtr rootNode(do_QueryInterface(rootElement)); return SetSelectionInternal(rootNode, 0, rootNode, numChildren); } nsresult nsTextControlFrame::SetSelectionEndPoints(PRInt32 aSelStart, PRInt32 aSelEnd) { NS_ASSERTION(aSelStart <= aSelEnd, "Invalid selection offsets!"); if (aSelStart > aSelEnd) return NS_ERROR_FAILURE; nsCOMPtr startNode, endNode; PRInt32 startOffset, endOffset; // Calculate the selection start point. nsresult rv = OffsetToDOMPoint(aSelStart, getter_AddRefs(startNode), &startOffset); NS_ENSURE_SUCCESS(rv, rv); if (aSelStart == aSelEnd) { // Collapsed selection, so start and end are the same! endNode = startNode; endOffset = startOffset; } else { // Selection isn't collapsed so we have to calculate // the end point too. rv = OffsetToDOMPoint(aSelEnd, getter_AddRefs(endNode), &endOffset); NS_ENSURE_SUCCESS(rv, rv); } return SetSelectionInternal(startNode, startOffset, endNode, endOffset); } NS_IMETHODIMP nsTextControlFrame::SetSelectionRange(PRInt32 aSelStart, PRInt32 aSelEnd) { NS_ENSURE_TRUE(mEditor, NS_ERROR_NOT_INITIALIZED); if (aSelStart > aSelEnd) { // Simulate what we'd see SetSelectionStart() was called, followed // by a SetSelectionEnd(). aSelStart = aSelEnd; } return SetSelectionEndPoints(aSelStart, aSelEnd); } NS_IMETHODIMP nsTextControlFrame::SetSelectionStart(PRInt32 aSelectionStart) { NS_ENSURE_TRUE(mEditor, NS_ERROR_NOT_INITIALIZED); PRInt32 selStart = 0, selEnd = 0; nsresult rv = GetSelectionRange(&selStart, &selEnd); NS_ENSURE_SUCCESS(rv, rv); if (aSelectionStart > selEnd) { // Collapse to the new start point. selEnd = aSelectionStart; } selStart = aSelectionStart; return SetSelectionEndPoints(selStart, selEnd); } NS_IMETHODIMP nsTextControlFrame::SetSelectionEnd(PRInt32 aSelectionEnd) { NS_ENSURE_TRUE(mEditor, NS_ERROR_NOT_INITIALIZED); PRInt32 selStart = 0, selEnd = 0; nsresult rv = GetSelectionRange(&selStart, &selEnd); NS_ENSURE_SUCCESS(rv, rv); if (aSelectionEnd < selStart) { // Collapse to the new end point. selStart = aSelectionEnd; } selEnd = aSelectionEnd; return SetSelectionEndPoints(selStart, selEnd); } nsresult nsTextControlFrame::DOMPointToOffset(nsIDOMNode* aNode, PRInt32 aNodeOffset, PRInt32* aResult) { NS_ENSURE_ARG_POINTER(aNode && aResult); *aResult = 0; nsCOMPtr rootElement; mEditor->GetRootElement(getter_AddRefs(rootElement)); nsCOMPtr rootNode(do_QueryInterface(rootElement)); NS_ENSURE_TRUE(rootNode, NS_ERROR_FAILURE); nsCOMPtr nodeList; nsresult rv = rootNode->GetChildNodes(getter_AddRefs(nodeList)); NS_ENSURE_SUCCESS(rv, rv); NS_ENSURE_TRUE(nodeList, NS_ERROR_FAILURE); PRUint32 length = 0; rv = nodeList->GetLength(&length); NS_ENSURE_SUCCESS(rv, rv); if (!length || aNodeOffset < 0) return NS_OK; PRInt32 i, textOffset = 0; PRInt32 lastIndex = (PRInt32)length - 1; for (i = 0; i < (PRInt32)length; i++) { if (rootNode == aNode && i == aNodeOffset) { *aResult = textOffset; return NS_OK; } nsCOMPtr item; rv = nodeList->Item(i, getter_AddRefs(item)); NS_ENSURE_SUCCESS(rv, rv); NS_ENSURE_TRUE(item, NS_ERROR_FAILURE); nsCOMPtr domText(do_QueryInterface(item)); if (domText) { PRUint32 textLength = 0; rv = domText->GetLength(&textLength); NS_ENSURE_SUCCESS(rv, rv); if (item == aNode) { NS_ASSERTION((aNodeOffset >= 0 && aNodeOffset <= (PRInt32)textLength), "Invalid aNodeOffset!"); *aResult = textOffset + aNodeOffset; return NS_OK; } textOffset += textLength; } else { // Must be a BR node. If it's not the last BR node // under the root, count it as a newline. if (i != lastIndex) ++textOffset; } } NS_ASSERTION((aNode == rootNode && aNodeOffset == (PRInt32)length), "Invalide node offset!"); *aResult = textOffset; return NS_OK; } nsresult nsTextControlFrame::OffsetToDOMPoint(PRInt32 aOffset, nsIDOMNode** aResult, PRInt32* aPosition) { NS_ENSURE_ARG_POINTER(aResult && aPosition); *aResult = nsnull; *aPosition = 0; nsCOMPtr rootElement; mEditor->GetRootElement(getter_AddRefs(rootElement)); nsCOMPtr rootNode(do_QueryInterface(rootElement)); NS_ENSURE_TRUE(rootNode, NS_ERROR_FAILURE); nsCOMPtr nodeList; nsresult rv = rootNode->GetChildNodes(getter_AddRefs(nodeList)); NS_ENSURE_SUCCESS(rv, rv); NS_ENSURE_TRUE(nodeList, NS_ERROR_FAILURE); PRUint32 length = 0; rv = nodeList->GetLength(&length); NS_ENSURE_SUCCESS(rv, rv); if (!length || aOffset < 0) { *aPosition = 0; *aResult = rootNode; NS_ADDREF(*aResult); return NS_OK; } PRInt32 textOffset = 0; PRUint32 lastIndex = length - 1; for (PRUint32 i=0; i item; rv = nodeList->Item(i, getter_AddRefs(item)); NS_ENSURE_SUCCESS(rv, rv); NS_ENSURE_TRUE(item, NS_ERROR_FAILURE); nsCOMPtr domText(do_QueryInterface(item)); if (domText) { PRUint32 textLength = 0; rv = domText->GetLength(&textLength); NS_ENSURE_SUCCESS(rv, rv); // Check if aOffset falls within this range. if (aOffset >= textOffset && aOffset <= textOffset+(PRInt32)textLength) { *aPosition = aOffset - textOffset; *aResult = item; NS_ADDREF(*aResult); return NS_OK; } textOffset += textLength; // If there aren't any more siblings after this text node, // return the point at the end of this text node! if (i == lastIndex) { *aPosition = textLength; *aResult = item; NS_ADDREF(*aResult); return NS_OK; } } else { // Must be a BR node, count it as a newline. if (aOffset == textOffset || i == lastIndex) { // We've found the correct position, or aOffset takes us // beyond the last child under rootNode, just return the point // under rootNode that is in front of this br. *aPosition = i; *aResult = rootNode; NS_ADDREF(*aResult); return NS_OK; } ++textOffset; } } NS_ASSERTION(0, "We should never get here!"); return NS_ERROR_FAILURE; } NS_IMETHODIMP nsTextControlFrame::GetSelectionRange(PRInt32* aSelectionStart, PRInt32* aSelectionEnd) { // make sure we have an editor NS_ENSURE_TRUE(mEditor, NS_ERROR_NOT_INITIALIZED); *aSelectionStart = 0; *aSelectionEnd = 0; nsCOMPtr selection; nsresult rv = mTextSelImpl->GetSelection(nsISelectionController::SELECTION_NORMAL, getter_AddRefs(selection)); NS_ENSURE_SUCCESS(rv, rv); NS_ENSURE_TRUE(selection, NS_ERROR_FAILURE); PRInt32 numRanges = 0; selection->GetRangeCount(&numRanges); if (numRanges < 1) return NS_OK; // We only operate on the first range in the selection! nsCOMPtr firstRange; rv = selection->GetRangeAt(0, getter_AddRefs(firstRange)); NS_ENSURE_SUCCESS(rv, rv); NS_ENSURE_TRUE(firstRange, NS_ERROR_FAILURE); nsCOMPtr startNode, endNode; PRInt32 startOffset = 0, endOffset = 0; // Get the start point of the range. rv = firstRange->GetStartContainer(getter_AddRefs(startNode)); NS_ENSURE_SUCCESS(rv, rv); NS_ENSURE_TRUE(startNode, NS_ERROR_FAILURE); rv = firstRange->GetStartOffset(&startOffset); NS_ENSURE_SUCCESS(rv, rv); // Get the end point of the range. rv = firstRange->GetEndContainer(getter_AddRefs(endNode)); NS_ENSURE_SUCCESS(rv, rv); NS_ENSURE_TRUE(endNode, NS_ERROR_FAILURE); rv = firstRange->GetEndOffset(&endOffset); NS_ENSURE_SUCCESS(rv, rv); // Convert the start point to a selection offset. rv = DOMPointToOffset(startNode, startOffset, aSelectionStart); NS_ENSURE_SUCCESS(rv, rv); // Convert the end point to a selection offset. return DOMPointToOffset(endNode, endOffset, aSelectionEnd); } NS_IMETHODIMP nsTextControlFrame::GetSelectionContr(nsISelectionController **aSelCon) { NS_ENSURE_ARG_POINTER(aSelCon); NS_IF_ADDREF(*aSelCon = mSelCon); return NS_OK; } /////END INTERFACE IMPLEMENTATIONS ////NSIFRAME NS_IMETHODIMP nsTextControlFrame::AttributeChanged(nsIPresContext* aPresContext, nsIContent* aChild, PRInt32 aNameSpaceID, nsIAtom* aAttribute, PRInt32 aModType) { if (!mEditor || !mSelCon) {return NS_ERROR_NOT_INITIALIZED;} nsresult rv = NS_OK; if (nsHTMLAtoms::maxlength == aAttribute) { PRInt32 maxLength; nsresult rv = GetMaxLength(&maxLength); nsCOMPtr textEditor = do_QueryInterface(mEditor); if (textEditor) { if (NS_CONTENT_ATTR_NOT_THERE != rv) { // set the maxLength attribute textEditor->SetMaxTextLength(maxLength); // if maxLength>docLength, we need to truncate the doc content } else { // unset the maxLength attribute textEditor->SetMaxTextLength(-1); } } } else if (mEditor && nsHTMLAtoms::readonly == aAttribute) { nsresult rv = DoesAttributeExist(nsHTMLAtoms::readonly); PRUint32 flags; mEditor->GetFlags(&flags); if (NS_CONTENT_ATTR_NOT_THERE != rv) { // set readonly flags |= nsIPlaintextEditor::eEditorReadonlyMask; if (mSelCon && IsFocusedContent(aPresContext, mContent)) mSelCon->SetCaretEnabled(PR_FALSE); } else { // unset readonly flags &= ~(nsIPlaintextEditor::eEditorReadonlyMask); if (mSelCon && !(flags & nsIPlaintextEditor::eEditorDisabledMask) && IsFocusedContent(aPresContext, mContent)) mSelCon->SetCaretEnabled(PR_TRUE); } mEditor->SetFlags(flags); } else if (mEditor && nsHTMLAtoms::disabled == aAttribute) { // XXXbryner do we need to check for a null presshell here? // we don't do anything with it. nsIPresShell *shell = aPresContext->GetPresShell(); if (!shell) return NS_ERROR_FAILURE; rv = DoesAttributeExist(nsHTMLAtoms::disabled); PRUint32 flags; mEditor->GetFlags(&flags); if (NS_CONTENT_ATTR_NOT_THERE != rv) { // set disabled flags |= nsIPlaintextEditor::eEditorDisabledMask; if (mSelCon) { mSelCon->SetDisplaySelection(nsISelectionController::SELECTION_OFF); if (IsFocusedContent(aPresContext, mContent)) mSelCon->SetCaretEnabled(PR_FALSE); } } else { // unset disabled flags &= ~(nsIPlaintextEditor::eEditorDisabledMask); if (mSelCon) { mSelCon->SetDisplaySelection(nsISelectionController::SELECTION_HIDDEN); } } mEditor->SetFlags(flags); } // Allow the base class to handle common attributes supported // by all form elements... else { rv = nsBoxFrame::AttributeChanged(aPresContext, aChild, aNameSpaceID, aAttribute, aModType); } return rv; } NS_IMETHODIMP nsTextControlFrame::GetText(nsString* aText) { nsresult rv = NS_CONTENT_ATTR_NOT_THERE; if (IsSingleLineTextControl()) { // If we're going to remove newlines anyway, ignore the wrap property GetValue(*aText, PR_TRUE); RemoveNewlines(*aText); } else { nsCOMPtr textArea = do_QueryInterface(mContent); if (textArea) { if (mEditor) { nsCOMPtr imeSupport = do_QueryInterface(mEditor); if (imeSupport) imeSupport->ForceCompositionEnd(); } rv = textArea->GetValue(*aText); } } return rv; } NS_IMETHODIMP nsTextControlFrame::GetPhonetic(nsAString& aPhonetic) { aPhonetic.Truncate(0); if (!mEditor) return NS_ERROR_NOT_INITIALIZED; nsCOMPtr imeSupport = do_QueryInterface(mEditor); if (imeSupport) { nsCOMPtr phonetic = do_QueryInterface(imeSupport); if (phonetic) phonetic->GetPhonetic(aPhonetic); } return NS_OK; } ///END NSIFRAME OVERLOADS /////BEGIN PROTECTED METHODS void nsTextControlFrame::RemoveNewlines(nsString &aString) { // strip CR/LF and null static const char badChars[] = {10, 13, 0}; aString.StripChars(badChars); } nsresult nsTextControlFrame::GetMaxLength(PRInt32* aSize) { *aSize = -1; nsresult rv = NS_CONTENT_ATTR_NOT_THERE; nsCOMPtr content(do_QueryInterface(mContent)); if (content) { nsHTMLValue value; rv = content->GetHTMLAttribute(nsHTMLAtoms::maxlength, value); if (eHTMLUnit_Integer == value.GetUnit()) { *aSize = value.GetIntValue(); } } return rv; } nsresult nsTextControlFrame::DoesAttributeExist(nsIAtom *aAtt) { nsresult rv = NS_CONTENT_ATTR_NOT_THERE; nsCOMPtr content(do_QueryInterface(mContent)); if (content) { nsHTMLValue value; rv = content->GetHTMLAttribute(aAtt, value); } return rv; } // this is where we propagate a content changed event void nsTextControlFrame::FireOnInput() { NS_ASSERTION(mContent, "illegal to call unless we map to a content node"); if (!mNotifyOnInput) { return; // if notification is turned off, do nothing } // Dispatch the "input" event nsEventStatus status = nsEventStatus_eIgnore; nsGUIEvent event(NS_FORM_INPUT); // Have the content handle the event, propagating it according to normal // DOM rules. nsWeakPtr &shell = mTextSelImpl->GetPresShell(); nsCOMPtr presShell = do_QueryReferent(shell); NS_ASSERTION(presShell, "No pres shell"); if (!presShell) { return; } nsCOMPtr context; presShell->GetPresContext(getter_AddRefs(context)); NS_ASSERTION(context, "No pres context"); if (!context) { return; } presShell->HandleEventWithTarget(&event, nsnull, mContent, NS_EVENT_FLAG_INIT, &status); } nsresult nsTextControlFrame::InitFocusedValue() { return GetText(&mFocusedValue); } NS_IMETHODIMP nsTextControlFrame::CheckFireOnChange() { nsString value; GetText(&value); if (!mFocusedValue.Equals(value))//different fire onchange { mFocusedValue = value; FireOnChange(); } return NS_OK; } nsresult nsTextControlFrame::FireOnChange() { // Dispatch th1e change event nsCOMPtr content; if (NS_SUCCEEDED(GetFormContent(*getter_AddRefs(content)))) { nsEventStatus status = nsEventStatus_eIgnore; nsInputEvent event(NS_FORM_CHANGE); // Have the content handle the event. nsWeakPtr &shell = mTextSelImpl->GetPresShell(); nsCOMPtr presShell = do_QueryReferent(shell); NS_ENSURE_TRUE(presShell, NS_ERROR_FAILURE); nsCOMPtr context; if (NS_SUCCEEDED(presShell->GetPresContext(getter_AddRefs(context))) && context) return presShell->HandleEventWithTarget(&event, nsnull, mContent, NS_EVENT_FLAG_INIT, &status); } return NS_OK; } //====== //privates NS_IMETHODIMP nsTextControlFrame::GetValue(nsAString& aValue, PRBool aIgnoreWrap) { aValue.Truncate(); // initialize out param if (mEditor && mUseEditor) { PRUint32 flags = nsIDocumentEncoder::OutputLFLineBreak;; if (PR_TRUE==IsPlainTextControl()) { flags |= nsIDocumentEncoder::OutputBodyOnly; } flags |= nsIDocumentEncoder::OutputPreformatted; if (!aIgnoreWrap) { nsFormControlHelper::nsHTMLTextWrap wrapProp; nsresult rv = nsFormControlHelper::GetWrapPropertyEnum(mContent, wrapProp); if (rv != NS_CONTENT_ATTR_NOT_THERE) { if (wrapProp == nsFormControlHelper::eHTMLTextWrap_Hard) { flags |= nsIDocumentEncoder::OutputWrap; } } } mEditor->OutputToString(NS_LITERAL_STRING("text/plain"), flags, aValue); } else { // Otherwise get the value from content. nsCOMPtr inputControl = do_QueryInterface(mContent); if (inputControl) { inputControl->GetValue(aValue); } else { nsCOMPtr textareaControl = do_QueryInterface(mContent); if (textareaControl) { textareaControl->GetValue(aValue); } } } return NS_OK; } // END IMPLEMENTING NS_IFORMCONTROLFRAME void nsTextControlFrame::SetValue(const nsAString& aValue) { if (mEditor && mUseEditor) { nsAutoString currentValue; GetValue(currentValue, PR_FALSE); if (IsSingleLineTextControl()) { RemoveNewlines(currentValue); } // this is necessary to avoid infinite recursion if (!currentValue.Equals(aValue)) { nsCOMPtr domSel; nsCOMPtr selPriv; mSelCon->GetSelection(nsISelectionController::SELECTION_NORMAL, getter_AddRefs(domSel)); if (domSel) { selPriv = do_QueryInterface(domSel); if (selPriv) selPriv->StartBatchChanges(); } // \r is an illegal character in the dom, but people use them, // so convert windows and mac platform linebreaks to \n: // Unfortunately aValue is declared const, so we have to copy // in order to do this substitution. currentValue.Assign(aValue); nsFormControlHelper::PlatformToDOMLineBreaks(currentValue); nsCOMPtrdomDoc; nsresult rv = mEditor->GetDocument(getter_AddRefs(domDoc)); if (NS_FAILED(rv)) return; if (!domDoc) return; mSelCon->SelectAll(); nsCOMPtr htmlEditor = do_QueryInterface(mEditor); if (!htmlEditor) return; // get the flags, remove readonly and disabled, set the value, // restore flags PRUint32 flags, savedFlags; mEditor->GetFlags(&savedFlags); flags = savedFlags; flags &= ~(nsIPlaintextEditor::eEditorDisabledMask); flags &= ~(nsIPlaintextEditor::eEditorReadonlyMask); mEditor->SetFlags(flags); if (currentValue.Length() < 1) mEditor->DeleteSelection(nsIEditor::eNone); else { nsCOMPtr textEditor = do_QueryInterface(mEditor); if (textEditor) textEditor->InsertText(currentValue); } mEditor->SetFlags(savedFlags); if (selPriv) selPriv->EndBatchChanges(); } if (mScrollableView) { // Scroll the upper left corner of the text control's // content area back into view. mScrollableView->ScrollTo(0, 0, NS_VMREFRESH_NO_SYNC); } } else { // Otherwise set the value in content. nsCOMPtr textControl = do_QueryInterface(mContent); if (textControl) { textControl->TakeTextFrameValue(aValue); } } } NS_IMETHODIMP nsTextControlFrame::SetInitialChildList(nsIPresContext* aPresContext, nsIAtom* aListName, nsIFrame* aChildList) { /*nsIFrame *list = aChildList; while (list) { list->AddStateBits(NS_FRAME_INDEPENDENT_SELECTION); list = list->GetNextSibling(); } */ nsresult rv = nsBoxFrame::SetInitialChildList(aPresContext, aListName, aChildList); if (mEditor) mEditor->PostCreate(); //look for scroll view below this frame go along first child list nsIFrame* first = GetFirstChild(nsnull); // Mark the scroll frame as being a reflow root. This will allow // incremental reflows to be initiated at the scroll frame, rather // than descending from the root frame of the frame hierarchy. first->AddStateBits(NS_FRAME_REFLOW_ROOT); //we must turn off scrollbars for singleline text controls if (IsSingleLineTextControl()) { nsIScrollableFrame *scrollableFrame = nsnull; if (first) first->QueryInterface(NS_GET_IID(nsIScrollableFrame), (void **) &scrollableFrame); if (scrollableFrame) scrollableFrame->SetScrollbarVisibility(aPresContext,PR_FALSE,PR_FALSE); } //register keylistener nsCOMPtr erP; if (NS_SUCCEEDED(mContent->QueryInterface(NS_GET_IID(nsIDOMEventReceiver), getter_AddRefs(erP))) && erP) { // register the event listeners with the DOM event reveiver rv = erP->AddEventListenerByIID(NS_STATIC_CAST(nsIDOMFocusListener *,mTextListener), NS_GET_IID(nsIDOMFocusListener)); NS_ASSERTION(NS_SUCCEEDED(rv), "failed to register focus listener"); // XXXbryner do we need to check for a null presshell here? if (!aPresContext->GetPresShell()) return NS_ERROR_FAILURE; } while(first) { nsIView *view = first->GetView(); if (view) { nsIScrollableView *scrollView; if (NS_SUCCEEDED(CallQueryInterface(view, &scrollView))) { mScrollableView = scrollView; // Note: views are not addref'd mTextSelImpl->SetScrollableView(scrollView); break; } } first = first->GetFirstChild(nsnull); } return rv; } PRInt32 nsTextControlFrame::GetWidthInCharacters() const { // see if there's a COL attribute, if so it wins nsCOMPtr content; nsresult rv = mContent->QueryInterface(NS_GET_IID(nsIHTMLContent), getter_AddRefs(content)); if (NS_SUCCEEDED(rv) && content) { nsHTMLValue resultValue; rv = content->GetHTMLAttribute(nsHTMLAtoms::cols, resultValue); if (NS_CONTENT_ATTR_NOT_THERE != rv) { if (resultValue.GetUnit() == eHTMLUnit_Integer) { return (resultValue.GetIntValue()); } } } // otherwise, see if CSS has a width specified. If so, work backwards to get the // number of characters this width represents. // otherwise, the default is just returned. return DEFAULT_COLUMN_WIDTH; } NS_IMETHODIMP nsTextControlFrame::GetScrollableView(nsIPresContext* aPresContext, nsIScrollableView** aView) { *aView = mScrollableView; return NS_OK; } PRBool nsTextControlFrame::IsScrollable() const { return !IsSingleLineTextControl(); } NS_IMETHODIMP nsTextControlFrame::OnContentReset() { return NS_OK; } void nsTextControlFrame::SetValueChanged(PRBool aValueChanged) { nsCOMPtr elem = do_QueryInterface(mContent); if (elem) { elem->SetValueChanged(aValueChanged); } } NS_IMETHODIMP nsTextControlFrame::HandleEvent(nsIPresContext* aPresContext, nsGUIEvent* aEvent, nsEventStatus* aEventStatus) { NS_ENSURE_ARG_POINTER(aEventStatus); // temp fix until Bug 124990 gets fixed if (aPresContext->IsPaginated() && NS_IS_MOUSE_EVENT(aEvent)) { return NS_OK; } return nsStackFrame::HandleEvent(aPresContext, aEvent, aEventStatus); }