LCOV - code coverage report
Current view: directory - layout/xul/base/src - nsPopupBoxObject.cpp (source / functions) Found Hit Coverage
Test: app.info Lines: 134 0 0.0 %
Date: 2012-06-02 Functions: 24 0 0.0 %

       1                 : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2                 : /* ***** BEGIN LICENSE BLOCK *****
       3                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
       4                 :  *
       5                 :  * The contents of this file are subject to the Mozilla Public License Version
       6                 :  * 1.1 (the "License"); you may not use this file except in compliance with
       7                 :  * the License. You may obtain a copy of the License at
       8                 :  * http://www.mozilla.org/MPL/
       9                 :  *
      10                 :  * Software distributed under the License is distributed on an "AS IS" basis,
      11                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
      12                 :  * for the specific language governing rights and limitations under the
      13                 :  * License.
      14                 :  *
      15                 :  * The Original Code is Mozilla Communicator client code.
      16                 :  *
      17                 :  * The Initial Developer of the Original Code is
      18                 :  * Netscape Communications Corporation.
      19                 :  * Portions created by the Initial Developer are Copyright (C) 1998
      20                 :  * the Initial Developer. All Rights Reserved.
      21                 :  *
      22                 :  * Contributor(s):
      23                 :  *   David W. Hyatt <hyatt@netscape.com>
      24                 :  *   Ben Goodger <ben@netscape.com>
      25                 :  *
      26                 :  * Alternatively, the contents of this file may be used under the terms of
      27                 :  * either of the GNU General Public License Version 2 or later (the "GPL"),
      28                 :  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      29                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      30                 :  * of those above. If you wish to allow use of your version of this file only
      31                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      32                 :  * use your version of this file under the terms of the MPL, indicate your
      33                 :  * decision by deleting the provisions above and replace them with the notice
      34                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      35                 :  * the provisions above, a recipient may use your version of this file under
      36                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      37                 :  *
      38                 :  * ***** END LICENSE BLOCK ***** */
      39                 : #include "nsCOMPtr.h"
      40                 : #include "nsIPopupBoxObject.h"
      41                 : #include "nsIRootBox.h"
      42                 : #include "nsBoxObject.h"
      43                 : #include "nsIPresShell.h"
      44                 : #include "nsFrameManager.h"
      45                 : #include "nsIContent.h"
      46                 : #include "nsIDocument.h"
      47                 : #include "nsIDOMDocument.h"
      48                 : #include "nsIDOMElement.h"
      49                 : #include "nsIFrame.h"
      50                 : #include "nsINameSpaceManager.h"
      51                 : #include "nsGkAtoms.h"
      52                 : #include "nsMenuPopupFrame.h"
      53                 : #include "nsClientRect.h"
      54                 : 
      55                 : class nsPopupBoxObject : public nsBoxObject,
      56                 :                          public nsIPopupBoxObject
      57                 : {
      58                 : public:
      59                 :   NS_DECL_ISUPPORTS_INHERITED
      60                 :   NS_DECL_NSIPOPUPBOXOBJECT
      61                 : 
      62               0 :   nsPopupBoxObject() {}
      63                 : protected:
      64               0 :   virtual ~nsPopupBoxObject() {}
      65                 : 
      66                 :   nsPopupSetFrame* GetPopupSetFrame();
      67               0 :   nsMenuPopupFrame* GetMenuPopupFrame()
      68                 :   {
      69               0 :     nsIFrame* frame = GetFrame(false);
      70               0 :     if (frame && frame->GetType() == nsGkAtoms::menuPopupFrame)
      71               0 :       return static_cast<nsMenuPopupFrame*>(frame);
      72               0 :     return nsnull;
      73                 :   }
      74                 : };
      75                 : 
      76               0 : NS_IMPL_ISUPPORTS_INHERITED1(nsPopupBoxObject, nsBoxObject, nsIPopupBoxObject)
      77                 : 
      78                 : nsPopupSetFrame*
      79               0 : nsPopupBoxObject::GetPopupSetFrame()
      80                 : {
      81               0 :   nsIRootBox* rootBox = nsIRootBox::GetRootBox(GetPresShell(false));
      82               0 :   if (!rootBox)
      83               0 :     return nsnull;
      84                 : 
      85               0 :   return rootBox->GetPopupSetFrame();
      86                 : }
      87                 : 
      88                 : NS_IMETHODIMP
      89               0 : nsPopupBoxObject::HidePopup()
      90                 : {
      91               0 :   nsXULPopupManager* pm = nsXULPopupManager::GetInstance();
      92               0 :   if (pm && mContent)
      93               0 :     pm->HidePopup(mContent, false, true, false);
      94                 : 
      95               0 :   return NS_OK;
      96                 : }
      97                 : 
      98                 : NS_IMETHODIMP
      99               0 : nsPopupBoxObject::ShowPopup(nsIDOMElement* aAnchorElement,
     100                 :                             nsIDOMElement* aPopupElement,
     101                 :                             PRInt32 aXPos, PRInt32 aYPos,
     102                 :                             const PRUnichar *aPopupType,
     103                 :                             const PRUnichar *aAnchorAlignment,
     104                 :                             const PRUnichar *aPopupAlignment)
     105                 : {
     106               0 :   NS_ENSURE_TRUE(aPopupElement, NS_ERROR_INVALID_ARG);
     107                 :   // srcContent can be null.
     108                 : 
     109               0 :   nsXULPopupManager* pm = nsXULPopupManager::GetInstance();
     110               0 :   if (pm && mContent) {
     111               0 :     nsCOMPtr<nsIContent> anchorContent(do_QueryInterface(aAnchorElement));
     112               0 :     nsAutoString popupType(aPopupType);
     113               0 :     nsAutoString anchor(aAnchorAlignment);
     114               0 :     nsAutoString align(aPopupAlignment);
     115                 :     pm->ShowPopupWithAnchorAlign(mContent, anchorContent, anchor, align,
     116               0 :                                  aXPos, aYPos, popupType.EqualsLiteral("context"));
     117                 :   }
     118                 : 
     119               0 :   return NS_OK;
     120                 : }
     121                 : 
     122                 : NS_IMETHODIMP
     123               0 : nsPopupBoxObject::OpenPopup(nsIDOMElement* aAnchorElement,
     124                 :                             const nsAString& aPosition,
     125                 :                             PRInt32 aXPos, PRInt32 aYPos,
     126                 :                             bool aIsContextMenu,
     127                 :                             bool aAttributesOverride,
     128                 :                             nsIDOMEvent* aTriggerEvent)
     129                 : {
     130               0 :   nsXULPopupManager* pm = nsXULPopupManager::GetInstance();
     131               0 :   if (pm && mContent) {
     132               0 :     nsCOMPtr<nsIContent> anchorContent(do_QueryInterface(aAnchorElement));
     133                 :     pm->ShowPopup(mContent, anchorContent, aPosition, aXPos, aYPos,
     134               0 :                   aIsContextMenu, aAttributesOverride, false, aTriggerEvent);
     135                 :   }
     136                 : 
     137               0 :   return NS_OK;
     138                 : }
     139                 : 
     140                 : NS_IMETHODIMP
     141               0 : nsPopupBoxObject::OpenPopupAtScreen(PRInt32 aXPos, PRInt32 aYPos,
     142                 :                                     bool aIsContextMenu,
     143                 :                                     nsIDOMEvent* aTriggerEvent)
     144                 : {
     145               0 :   nsXULPopupManager* pm = nsXULPopupManager::GetInstance();
     146               0 :   if (pm && mContent)
     147               0 :     pm->ShowPopupAtScreen(mContent, aXPos, aYPos, aIsContextMenu, aTriggerEvent);
     148               0 :   return NS_OK;
     149                 : }
     150                 : 
     151                 : NS_IMETHODIMP
     152               0 : nsPopupBoxObject::MoveTo(PRInt32 aLeft, PRInt32 aTop)
     153                 : {
     154               0 :   nsMenuPopupFrame *menuPopupFrame = GetMenuPopupFrame();
     155               0 :   if (menuPopupFrame) {
     156               0 :     menuPopupFrame->MoveTo(aLeft, aTop, true);
     157                 :   }
     158                 : 
     159               0 :   return NS_OK;
     160                 : }
     161                 : 
     162                 : NS_IMETHODIMP
     163               0 : nsPopupBoxObject::SizeTo(PRInt32 aWidth, PRInt32 aHeight)
     164                 : {
     165               0 :   if (!mContent)
     166               0 :     return NS_OK;
     167                 : 
     168               0 :   nsAutoString width, height;
     169               0 :   width.AppendInt(aWidth);
     170               0 :   height.AppendInt(aHeight);
     171                 : 
     172               0 :   nsCOMPtr<nsIContent> content = mContent;
     173               0 :   content->SetAttr(kNameSpaceID_None, nsGkAtoms::width, width, false);
     174               0 :   content->SetAttr(kNameSpaceID_None, nsGkAtoms::height, height, true);
     175                 : 
     176               0 :   return NS_OK;
     177                 : }
     178                 : 
     179                 : NS_IMETHODIMP
     180               0 : nsPopupBoxObject::GetAutoPosition(bool* aShouldAutoPosition)
     181                 : {
     182               0 :   nsMenuPopupFrame *menuPopupFrame = GetMenuPopupFrame();
     183               0 :   if (menuPopupFrame) {
     184               0 :     *aShouldAutoPosition = menuPopupFrame->GetAutoPosition();
     185                 :   }
     186                 : 
     187               0 :   return NS_OK;
     188                 : }
     189                 : 
     190                 : NS_IMETHODIMP
     191               0 : nsPopupBoxObject::SetAutoPosition(bool aShouldAutoPosition)
     192                 : {
     193               0 :   nsMenuPopupFrame *menuPopupFrame = GetMenuPopupFrame();
     194               0 :   if (menuPopupFrame) {
     195               0 :     menuPopupFrame->SetAutoPosition(aShouldAutoPosition);
     196                 :   }
     197                 : 
     198               0 :   return NS_OK;
     199                 : }
     200                 : 
     201                 : NS_IMETHODIMP
     202               0 : nsPopupBoxObject::EnableRollup(bool aShouldRollup)
     203                 : {
     204                 :   // this does nothing now
     205               0 :   return NS_OK;
     206                 : }
     207                 : 
     208                 : NS_IMETHODIMP
     209               0 : nsPopupBoxObject::SetConsumeRollupEvent(PRUint32 aConsume)
     210                 : {
     211               0 :   nsMenuPopupFrame *menuPopupFrame = GetMenuPopupFrame();
     212               0 :   if (menuPopupFrame) {
     213               0 :     menuPopupFrame->SetConsumeRollupEvent(aConsume);
     214                 :   }
     215                 : 
     216               0 :   return NS_OK;
     217                 : }
     218                 : 
     219                 : NS_IMETHODIMP
     220               0 : nsPopupBoxObject::EnableKeyboardNavigator(bool aEnableKeyboardNavigator)
     221                 : {
     222               0 :   if (!mContent)
     223               0 :     return NS_OK;
     224                 : 
     225                 :   // Use ignorekeys="true" on the popup instead of using this function.
     226               0 :   if (aEnableKeyboardNavigator)
     227               0 :     mContent->UnsetAttr(kNameSpaceID_None, nsGkAtoms::ignorekeys, true);
     228                 :   else
     229                 :     mContent->SetAttr(kNameSpaceID_None, nsGkAtoms::ignorekeys,
     230               0 :                       NS_LITERAL_STRING("true"), true);
     231                 : 
     232               0 :   return NS_OK;
     233                 : }
     234                 : 
     235                 : NS_IMETHODIMP
     236               0 : nsPopupBoxObject::GetPopupState(nsAString& aState)
     237                 : {
     238                 :   // set this here in case there's no frame for the popup
     239               0 :   aState.AssignLiteral("closed");
     240                 : 
     241               0 :   nsMenuPopupFrame *menuPopupFrame = GetMenuPopupFrame();
     242               0 :   if (menuPopupFrame) {
     243               0 :     switch (menuPopupFrame->PopupState()) {
     244                 :       case ePopupShowing:
     245                 :       case ePopupOpen:
     246               0 :         aState.AssignLiteral("showing");
     247               0 :         break;
     248                 :       case ePopupOpenAndVisible:
     249               0 :         aState.AssignLiteral("open");
     250               0 :         break;
     251                 :       case ePopupHiding:
     252                 :       case ePopupInvisible:
     253               0 :         aState.AssignLiteral("hiding");
     254               0 :         break;
     255                 :       case ePopupClosed:
     256               0 :         break;
     257                 :       default:
     258               0 :         NS_NOTREACHED("Bad popup state");
     259               0 :         break;
     260                 :     }
     261                 :   }
     262                 : 
     263               0 :   return NS_OK;
     264                 : }
     265                 : 
     266                 : NS_IMETHODIMP
     267               0 : nsPopupBoxObject::GetTriggerNode(nsIDOMNode** aTriggerNode)
     268                 : {
     269               0 :   *aTriggerNode = nsnull;
     270                 : 
     271               0 :   nsIContent* triggerContent = nsMenuPopupFrame::GetTriggerContent(GetMenuPopupFrame());
     272               0 :   if (triggerContent)
     273               0 :     CallQueryInterface(triggerContent, aTriggerNode);
     274                 : 
     275               0 :   return NS_OK;
     276                 : }
     277                 : 
     278                 : NS_IMETHODIMP
     279               0 : nsPopupBoxObject::GetAnchorNode(nsIDOMElement** aAnchor)
     280                 : {
     281               0 :   *aAnchor = nsnull;
     282                 : 
     283               0 :   nsMenuPopupFrame *menuPopupFrame = GetMenuPopupFrame();
     284               0 :   if (!menuPopupFrame)
     285               0 :     return NS_OK;
     286                 : 
     287               0 :   nsIContent* anchor = menuPopupFrame->GetAnchor();
     288               0 :   if (anchor)
     289               0 :     CallQueryInterface(anchor, aAnchor);
     290                 : 
     291               0 :   return NS_OK;
     292                 : }
     293                 : 
     294                 : NS_IMETHODIMP
     295               0 : nsPopupBoxObject::GetOuterScreenRect(nsIDOMClientRect** aRect)
     296                 : {
     297               0 :   nsClientRect* rect = new nsClientRect();
     298               0 :   if (!rect)
     299               0 :     return NS_ERROR_OUT_OF_MEMORY;
     300                 : 
     301               0 :   NS_ADDREF(*aRect = rect);
     302                 : 
     303               0 :   nsMenuPopupFrame *menuPopupFrame = GetMenuPopupFrame();
     304               0 :   if (!menuPopupFrame)
     305               0 :     return NS_OK;
     306                 : 
     307                 :   // Return an empty rectangle if the popup is not open.
     308               0 :   nsPopupState state = menuPopupFrame->PopupState();
     309               0 :   if (state != ePopupOpen && state != ePopupOpenAndVisible)
     310               0 :     return NS_OK;
     311                 : 
     312               0 :   nsIView* view = menuPopupFrame->GetView();
     313               0 :   if (view) {
     314               0 :     nsIWidget* widget = view->GetWidget();
     315               0 :     if (widget) {
     316               0 :       nsIntRect screenRect;
     317               0 :       widget->GetScreenBounds(screenRect);
     318                 : 
     319               0 :       PRInt32 pp = menuPopupFrame->PresContext()->AppUnitsPerDevPixel();
     320               0 :       rect->SetLayoutRect(screenRect.ToAppUnits(pp));
     321                 :     }
     322                 :   }
     323                 : 
     324               0 :   return NS_OK;
     325                 : }
     326                 : 
     327                 : // Creation Routine ///////////////////////////////////////////////////////////////////////
     328                 : 
     329                 : nsresult
     330               0 : NS_NewPopupBoxObject(nsIBoxObject** aResult)
     331                 : {
     332               0 :   *aResult = new nsPopupBoxObject;
     333               0 :   if (!*aResult)
     334               0 :     return NS_ERROR_OUT_OF_MEMORY;
     335               0 :   NS_ADDREF(*aResult);
     336               0 :   return NS_OK;
     337                 : }

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