LCOV - app.info - layout/xul/base/src/nsTitleBarFrame.cpp

LCOV - code coverage report
| Current view: | directory - layout/xul/base/src - nsTitleBarFrame.cpp (source / functions) |  | Found | Hit | Coverage |
| Test: | app.info | Lines: | 65 | 0 | 0.0 %
| Date: | 2012-04-21 | Functions: | 7 | 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                 :  *   Original Author: Eric J. Burley (ericb@neoplanet.com)
          24                 :  *
          25                 :  * Alternatively, the contents of this file may be used under the terms of
          26                 :  * either of the GNU General Public License Version 2 or later (the "GPL"),
          27                 :  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
          28                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
          29                 :  * of those above. If you wish to allow use of your version of this file only
          30                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
          31                 :  * use your version of this file under the terms of the MPL, indicate your
          32                 :  * decision by deleting the provisions above and replace them with the notice
          33                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
          34                 :  * the provisions above, a recipient may use your version of this file under
          35                 :  * the terms of any one of the MPL, the GPL or the LGPL.
          36                 :  *
          37                 :  * ***** END LICENSE BLOCK ***** */
          38                 :
          39                 : #include "nsCOMPtr.h"
          40                 : #include "nsTitleBarFrame.h"
          41                 : #include "nsIContent.h"
          42                 : #include "nsIDocument.h"
          43                 : #include "nsIDOMXULDocument.h"
          44                 : #include "nsIDOMNodeList.h"
          45                 : #include "nsGkAtoms.h"
          46                 : #include "nsIWidget.h"
          47                 : #include "nsMenuPopupFrame.h"
          48                 : #include "nsPresContext.h"
          49                 : #include "nsIDocShellTreeItem.h"
          50                 : #include "nsPIDOMWindow.h"
          51                 : #include "nsGUIEvent.h"
          52                 : #include "nsEventDispatcher.h"
          53                 : #include "nsDisplayList.h"
          54                 : #include "nsContentUtils.h"
          55                 :
          56                 : //
          57                 : // NS_NewTitleBarFrame
          58                 : //
          59                 : // Creates a new TitleBar frame and returns it
          60                 : //
          61                 : nsIFrame*
          62               0 : NS_NewTitleBarFrame(nsIPresShell* aPresShell, nsStyleContext* aContext)
          63                 : {
          64               0 :   return new (aPresShell) nsTitleBarFrame(aPresShell, aContext);
          65                 : }
          66                 :
          67               0 : NS_IMPL_FRAMEARENA_HELPERS(nsTitleBarFrame)
          68                 :
          69               0 : nsTitleBarFrame::nsTitleBarFrame(nsIPresShell* aPresShell, nsStyleContext* aContext)
          70               0 : :nsBoxFrame(aPresShell, aContext, false)
          71                 : {
          72               0 :   mTrackingMouseMove = false;
          73               0 :   UpdateMouseThrough();
          74               0 : }
          75                 :
          76                 : NS_IMETHODIMP
          77               0 : nsTitleBarFrame::BuildDisplayListForChildren(nsDisplayListBuilder*   aBuilder,
          78                 :                                              const nsRect&           aDirtyRect,
          79                 :                                              const nsDisplayListSet& aLists)
          80                 : {
          81                 :   // override, since we don't want children to get events
          82               0 :   if (aBuilder->IsForEventDelivery()) {
          83               0 :     if (!mContent->AttrValueIs(kNameSpaceID_None, nsGkAtoms::allowevents,
          84               0 :                                nsGkAtoms::_true, eCaseMatters))
          85               0 :       return NS_OK;
          86                 :   }
          87               0 :   return nsBoxFrame::BuildDisplayListForChildren(aBuilder, aDirtyRect, aLists);
          88                 : }
          89                 :
          90                 : NS_IMETHODIMP
          91               0 : nsTitleBarFrame::HandleEvent(nsPresContext* aPresContext,
          92                 :                                       nsGUIEvent* aEvent,
          93                 :                                       nsEventStatus* aEventStatus)
          94                 : {
          95               0 :   NS_ENSURE_ARG_POINTER(aEventStatus);
          96               0 :   if (nsEventStatus_eConsumeNoDefault == *aEventStatus) {
          97               0 :     return NS_OK;
          98                 :   }
          99                 :
         100               0 :   bool doDefault = true;
         101                 :
         102               0 :   switch (aEvent->message) {
         103                 :
         104                 :    case NS_MOUSE_BUTTON_DOWN:  {
         105               0 :        if (aEvent->eventStructType == NS_MOUSE_EVENT &&
         106                 :            static_cast<nsMouseEvent*>(aEvent)->button ==
         107                 :              nsMouseEvent::eLeftButton)
         108                 :        {
         109                 :          // titlebar has no effect in non-chrome shells
         110               0 :          nsCOMPtr<nsISupports> cont = aPresContext->GetContainer();
         111               0 :          nsCOMPtr<nsIDocShellTreeItem> dsti = do_QueryInterface(cont);
         112               0 :          if (dsti) {
         113               0 :            PRInt32 type = -1;
         114               0 :            if (NS_SUCCEEDED(dsti->GetItemType(&type)) &&
         115                 :                type == nsIDocShellTreeItem::typeChrome) {
         116                 :              // we're tracking.
         117               0 :              mTrackingMouseMove = true;
         118                 :
         119                 :              // start capture.
         120               0 :              nsIPresShell::SetCapturingContent(GetContent(), CAPTURE_IGNOREALLOWED);
         121                 :
         122                 :              // remember current mouse coordinates.
         123               0 :              mLastPoint = aEvent->refPoint;
         124                 :            }
         125                 :          }
         126                 :
         127               0 :          *aEventStatus = nsEventStatus_eConsumeNoDefault;
         128               0 :          doDefault = false;
         129                 :        }
         130                 :      }
         131               0 :      break;
         132                 :
         133                 :
         134                 :    case NS_MOUSE_BUTTON_UP: {
         135               0 :        if(mTrackingMouseMove && aEvent->eventStructType == NS_MOUSE_EVENT &&
         136                 :           static_cast<nsMouseEvent*>(aEvent)->button ==
         137                 :             nsMouseEvent::eLeftButton)
         138                 :        {
         139                 :          // we're done tracking.
         140               0 :          mTrackingMouseMove = false;
         141                 :
         142                 :          // end capture
         143               0 :          nsIPresShell::SetCapturingContent(nsnull, 0);
         144                 :
         145               0 :          *aEventStatus = nsEventStatus_eConsumeNoDefault;
         146               0 :          doDefault = false;
         147                 :        }
         148                 :      }
         149               0 :      break;
         150                 :
         151                 :    case NS_MOUSE_MOVE: {
         152               0 :        if(mTrackingMouseMove)
         153                 :        {
         154               0 :          nsIntPoint nsMoveBy = aEvent->refPoint - mLastPoint;
         155                 :
         156               0 :          nsIFrame* parent = GetParent();
         157               0 :          while (parent && parent->GetType() != nsGkAtoms::menuPopupFrame)
         158               0 :            parent = parent->GetParent();
         159                 :
         160                 :          // if the titlebar is in a popup, move the popup frame, otherwise
         161                 :          // move the widget associated with the window
         162               0 :          if (parent) {
         163               0 :            nsMenuPopupFrame* menuPopupFrame = static_cast<nsMenuPopupFrame*>(parent);
         164               0 :            nsCOMPtr<nsIWidget> widget = menuPopupFrame->GetWidget();
         165               0 :            nsIntRect bounds;
         166               0 :            widget->GetScreenBounds(bounds);
         167               0 :            menuPopupFrame->MoveTo(bounds.x + nsMoveBy.x, bounds.y + nsMoveBy.y, false);
         168                 :          }
         169                 :          else {
         170               0 :            nsIPresShell* presShell = aPresContext->PresShell();
         171               0 :            nsPIDOMWindow *window = presShell->GetDocument()->GetWindow();
         172               0 :            if (window) {
         173               0 :              window->MoveBy(nsMoveBy.x, nsMoveBy.y);
         174                 :            }
         175                 :          }
         176                 :
         177               0 :          *aEventStatus = nsEventStatus_eConsumeNoDefault;
         178                 :
         179               0 :          doDefault = false;
         180                 :        }
         181                 :      }
         182               0 :      break;
         183                 :
         184                 :
         185                 :
         186                 :     case NS_MOUSE_CLICK:
         187               0 :       if (NS_IS_MOUSE_LEFT_CLICK(aEvent))
         188                 :       {
         189               0 :         MouseClicked(aPresContext, aEvent);
         190                 :       }
         191               0 :       break;
         192                 :   }
         193                 :
         194               0 :   if ( doDefault )
         195               0 :     return nsBoxFrame::HandleEvent(aPresContext, aEvent, aEventStatus);
         196                 :   else
         197               0 :     return NS_OK;
         198                 : }
         199                 :
         200                 : void
         201               0 : nsTitleBarFrame::MouseClicked(nsPresContext* aPresContext, nsGUIEvent* aEvent)
         202                 : {
         203                 :   // Execute the oncommand event handler.
         204                 :   nsContentUtils::DispatchXULCommand(mContent,
         205                 :                                      aEvent ?
         206               0 :                                        NS_IS_TRUSTED_EVENT(aEvent) : false);
         207               0 : }

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