2001-09-28 20:14:13 +00:00
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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2012-05-21 11:12:37 +00:00
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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2006-03-29 18:29:03 +00:00
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/* rendering object that goes directly inside the document's scrollbars */
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2009-10-08 06:18:18 +00:00
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#include "nsCanvasFrame.h"
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2011-12-27 20:18:48 +00:00
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#include "nsContainerFrame.h"
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1998-09-25 23:39:06 +00:00
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#include "nsCSSRendering.h"
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2004-07-31 23:15:21 +00:00
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#include "nsPresContext.h"
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2003-02-22 00:32:13 +00:00
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#include "nsStyleContext.h"
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2011-04-08 01:04:40 +00:00
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#include "nsRenderingContext.h"
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2007-01-30 00:06:41 +00:00
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#include "nsGkAtoms.h"
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1999-07-27 14:15:42 +00:00
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#include "nsIPresShell.h"
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2006-01-26 02:29:17 +00:00
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#include "nsDisplayList.h"
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2009-09-18 11:09:35 +00:00
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#include "nsCSSFrameConstructor.h"
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2009-09-03 04:10:13 +00:00
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#include "nsFrameManager.h"
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2013-08-27 02:08:05 +00:00
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#include "gfxPlatform.h"
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2001-05-22 23:52:17 +00:00
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// for focus
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#include "nsIScrollableFrame.h"
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2013-08-22 18:32:52 +00:00
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#ifdef DEBUG_CANVAS_FOCUS
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2001-05-22 23:52:17 +00:00
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#include "nsIDocShell.h"
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2013-08-22 18:32:52 +00:00
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#endif
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2001-05-22 23:52:17 +00:00
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//#define DEBUG_CANVAS_FOCUS
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1998-10-19 00:44:28 +00:00
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2013-04-01 15:26:02 +00:00
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using namespace mozilla::layout;
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1998-09-08 22:34:40 +00:00
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2005-11-04 02:38:33 +00:00
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nsIFrame*
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2006-03-26 21:30:36 +00:00
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NS_NewCanvasFrame(nsIPresShell* aPresShell, nsStyleContext* aContext)
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1998-09-08 22:34:40 +00:00
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{
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2009-10-08 06:18:18 +00:00
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return new (aPresShell) nsCanvasFrame(aContext);
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1998-09-08 22:34:40 +00:00
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}
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2009-10-08 06:18:18 +00:00
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NS_IMPL_FRAMEARENA_HELPERS(nsCanvasFrame)
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2009-09-12 16:49:24 +00:00
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2009-10-08 06:18:18 +00:00
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NS_QUERYFRAME_HEAD(nsCanvasFrame)
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NS_QUERYFRAME_ENTRY(nsCanvasFrame)
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2011-12-27 20:18:48 +00:00
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NS_QUERYFRAME_TAIL_INHERITING(nsContainerFrame)
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2001-05-22 23:52:17 +00:00
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2006-04-10 00:16:29 +00:00
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void
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2009-12-24 05:21:15 +00:00
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nsCanvasFrame::DestroyFrom(nsIFrame* aDestructRoot)
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2002-07-09 04:30:28 +00:00
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{
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2009-09-03 04:10:13 +00:00
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nsIScrollableFrame* sf =
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PresContext()->GetPresShell()->GetRootScrollFrameAsScrollable();
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if (sf) {
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sf->RemoveScrollPositionListener(this);
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2002-07-09 04:30:28 +00:00
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}
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2001-05-22 23:52:17 +00:00
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2011-12-27 20:18:48 +00:00
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nsContainerFrame::DestroyFrom(aDestructRoot);
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2001-05-22 23:52:17 +00:00
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}
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2010-01-29 00:03:42 +00:00
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void
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2009-09-09 05:40:01 +00:00
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nsCanvasFrame::ScrollPositionWillChange(nscoord aX, nscoord aY)
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2001-05-22 23:52:17 +00:00
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{
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if (mDoPaintFocus) {
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2011-10-17 14:59:28 +00:00
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mDoPaintFocus = false;
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2010-08-31 00:49:12 +00:00
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PresContext()->FrameManager()->GetRootFrame()->InvalidateFrameSubtree();
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2001-05-22 23:52:17 +00:00
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}
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}
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2005-09-29 13:16:46 +00:00
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NS_IMETHODIMP
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2011-09-29 06:19:26 +00:00
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nsCanvasFrame::SetHasFocus(bool aHasFocus)
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2005-09-29 13:16:46 +00:00
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{
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if (mDoPaintFocus != aHasFocus) {
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mDoPaintFocus = aHasFocus;
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2010-08-31 00:49:12 +00:00
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PresContext()->FrameManager()->GetRootFrame()->InvalidateFrameSubtree();
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2010-03-05 00:10:41 +00:00
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if (!mAddedScrollPositionListener) {
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nsIScrollableFrame* sf =
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PresContext()->GetPresShell()->GetRootScrollFrameAsScrollable();
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2010-03-11 05:37:27 +00:00
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if (sf) {
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sf->AddScrollPositionListener(this);
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2011-10-17 14:59:28 +00:00
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mAddedScrollPositionListener = true;
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2010-03-11 05:37:27 +00:00
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}
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2010-03-05 00:10:41 +00:00
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}
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2005-09-29 13:16:46 +00:00
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}
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return NS_OK;
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}
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2008-09-08 08:13:17 +00:00
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NS_IMETHODIMP
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2011-08-24 20:54:30 +00:00
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nsCanvasFrame::SetInitialChildList(ChildListID aListID,
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2010-03-20 21:54:19 +00:00
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nsFrameList& aChildList)
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2008-09-08 08:13:17 +00:00
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{
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2011-08-24 20:54:30 +00:00
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NS_ASSERTION(aListID != kPrincipalList ||
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aChildList.IsEmpty() || aChildList.OnlyChild(),
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2008-09-08 08:13:17 +00:00
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"Primary child list can have at most one frame in it");
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2011-12-27 20:18:48 +00:00
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return nsContainerFrame::SetInitialChildList(aListID, aChildList);
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2008-09-08 08:13:17 +00:00
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}
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1999-01-26 00:05:21 +00:00
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NS_IMETHODIMP
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2011-08-24 20:54:30 +00:00
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nsCanvasFrame::AppendFrames(ChildListID aListID,
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2010-03-20 21:54:19 +00:00
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nsFrameList& aFrameList)
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1999-07-27 14:15:42 +00:00
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{
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2011-04-29 23:02:33 +00:00
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NS_ASSERTION(aListID == kPrincipalList ||
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aListID == kAbsoluteList, "unexpected child list ID");
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NS_PRECONDITION(aListID != kAbsoluteList ||
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mFrames.IsEmpty(), "already have a child frame");
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2011-08-24 20:54:30 +00:00
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if (aListID != kPrincipalList) {
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// We only support the Principal and Absolute child lists.
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2010-03-20 21:54:19 +00:00
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return NS_ERROR_INVALID_ARG;
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}
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1999-07-27 14:15:42 +00:00
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2010-03-20 21:54:19 +00:00
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if (!mFrames.IsEmpty()) {
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2011-08-24 20:54:30 +00:00
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// We only allow a single principal child frame.
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2010-03-20 21:54:19 +00:00
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return NS_ERROR_INVALID_ARG;
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}
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1999-07-27 14:15:42 +00:00
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2010-03-20 21:54:19 +00:00
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// Insert the new frames
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NS_ASSERTION(aFrameList.FirstChild() == aFrameList.LastChild(),
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"Only one principal child frame allowed");
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2012-06-25 19:59:42 +00:00
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#ifdef DEBUG
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2010-03-20 21:54:19 +00:00
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nsFrame::VerifyDirtyBitSet(aFrameList);
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1999-07-27 14:15:42 +00:00
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#endif
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2012-07-30 14:20:58 +00:00
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mFrames.AppendFrames(nullptr, aFrameList);
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1999-07-27 14:15:42 +00:00
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2010-03-20 21:54:19 +00:00
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PresContext()->PresShell()->
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FrameNeedsReflow(this, nsIPresShell::eTreeChange,
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NS_FRAME_HAS_DIRTY_CHILDREN);
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1999-07-27 14:15:42 +00:00
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2010-03-20 21:54:19 +00:00
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return NS_OK;
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1999-07-27 14:15:42 +00:00
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}
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NS_IMETHODIMP
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2011-08-24 20:54:30 +00:00
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nsCanvasFrame::InsertFrames(ChildListID aListID,
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2010-03-20 21:54:19 +00:00
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nsIFrame* aPrevFrame,
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nsFrameList& aFrameList)
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1999-07-27 14:15:42 +00:00
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{
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// Because we only support a single child frame inserting is the same
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// as appending
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NS_PRECONDITION(!aPrevFrame, "unexpected previous sibling frame");
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2010-03-20 21:54:19 +00:00
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if (aPrevFrame)
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return NS_ERROR_UNEXPECTED;
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1999-07-27 14:15:42 +00:00
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2011-08-24 20:54:30 +00:00
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return AppendFrames(aListID, aFrameList);
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1999-07-27 14:15:42 +00:00
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}
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NS_IMETHODIMP
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2011-08-24 20:54:30 +00:00
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nsCanvasFrame::RemoveFrame(ChildListID aListID,
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2010-03-20 21:54:19 +00:00
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nsIFrame* aOldFrame)
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1999-07-27 14:15:42 +00:00
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{
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2011-04-29 23:02:33 +00:00
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NS_ASSERTION(aListID == kPrincipalList ||
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aListID == kAbsoluteList, "unexpected child list ID");
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2013-01-11 01:56:51 +00:00
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if (aListID != kPrincipalList && aListID != kAbsoluteList) {
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2011-08-24 20:54:30 +00:00
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// We only support the Principal and Absolute child lists.
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2010-03-20 21:54:19 +00:00
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return NS_ERROR_INVALID_ARG;
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1999-07-27 14:15:42 +00:00
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}
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2010-03-20 21:54:19 +00:00
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if (aOldFrame != mFrames.FirstChild())
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return NS_ERROR_FAILURE;
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// Remove the frame and destroy it
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mFrames.DestroyFrame(aOldFrame);
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PresContext()->PresShell()->
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FrameNeedsReflow(this, nsIPresShell::eTreeChange,
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NS_FRAME_HAS_DIRTY_CHILDREN);
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return NS_OK;
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1999-07-27 14:15:42 +00:00
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}
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2009-10-08 06:18:18 +00:00
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nsRect nsCanvasFrame::CanvasArea() const
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2006-01-26 02:29:17 +00:00
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{
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2010-10-07 04:25:47 +00:00
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// Not clear which overflow rect we want here, but it probably doesn't
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// matter.
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nsRect result(GetVisualOverflowRect());
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2006-03-15 16:55:19 +00:00
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2009-01-12 19:20:59 +00:00
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nsIScrollableFrame *scrollableFrame = do_QueryFrame(GetParent());
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2006-03-15 16:55:19 +00:00
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if (scrollableFrame) {
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2009-09-03 04:26:00 +00:00
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nsRect portRect = scrollableFrame->GetScrollPortRect();
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result.UnionRect(result, nsRect(nsPoint(0, 0), portRect.Size()));
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2006-03-15 16:55:19 +00:00
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}
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return result;
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2006-01-26 02:29:17 +00:00
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}
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2012-12-13 01:15:55 +00:00
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void
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nsDisplayCanvasBackgroundColor::Paint(nsDisplayListBuilder* aBuilder,
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nsRenderingContext* aCtx)
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{
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nsCanvasFrame* frame = static_cast<nsCanvasFrame*>(mFrame);
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nsPoint offset = ToReferenceFrame();
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nsRect bgClipRect = frame->CanvasArea() + offset;
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if (NS_GET_A(mColor) > 0) {
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aCtx->SetColor(mColor);
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aCtx->FillRect(bgClipRect);
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}
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}
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2012-07-23 03:00:36 +00:00
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static void BlitSurface(gfxContext* aDest, const gfxRect& aRect, gfxASurface* aSource)
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{
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aDest->Translate(gfxPoint(aRect.x, aRect.y));
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aDest->SetSource(aSource);
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aDest->NewPath();
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aDest->Rectangle(gfxRect(0, 0, aRect.width, aRect.height));
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aDest->Fill();
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aDest->Translate(-gfxPoint(aRect.x, aRect.y));
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}
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2010-07-15 21:07:53 +00:00
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void
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2012-12-13 01:15:55 +00:00
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nsDisplayCanvasBackgroundImage::Paint(nsDisplayListBuilder* aBuilder,
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nsRenderingContext* aCtx)
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2010-07-15 21:07:53 +00:00
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{
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nsCanvasFrame* frame = static_cast<nsCanvasFrame*>(mFrame);
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2010-08-13 10:01:58 +00:00
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nsPoint offset = ToReferenceFrame();
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2010-07-15 21:07:53 +00:00
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nsRect bgClipRect = frame->CanvasArea() + offset;
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2006-03-15 16:55:19 +00:00
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2012-07-23 03:00:36 +00:00
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nsRenderingContext context;
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nsRefPtr<gfxContext> dest = aCtx->ThebesContext();
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nsRefPtr<gfxASurface> surf;
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nsRefPtr<gfxContext> ctx;
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2012-11-15 01:35:18 +00:00
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gfxRect destRect;
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2012-07-23 03:00:36 +00:00
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#ifndef MOZ_GFX_OPTIMIZE_MOBILE
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2012-11-15 01:35:18 +00:00
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if (IsSingleFixedPositionImage(aBuilder, bgClipRect, &destRect) &&
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aBuilder->IsPaintingToWindow() && !aBuilder->IsCompositingCheap() &&
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!dest->CurrentMatrix().HasNonIntegerTranslation()) {
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// Snap image rectangle to nearest pixel boundaries. This is the right way
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// to snap for this context, because we checked HasNonIntegerTranslation above.
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destRect.Round();
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2013-04-19 12:02:13 +00:00
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surf = static_cast<gfxASurface*>(Frame()->Properties().Get(nsIFrame::CachedBackgroundImage()));
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2013-08-27 02:08:05 +00:00
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if (dest->IsCairo()) {
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nsRefPtr<gfxASurface> destSurf = dest->CurrentSurface();
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if (surf && surf->GetType() == destSurf->GetType()) {
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2013-08-27 04:51:37 +00:00
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BlitSurface(dest, destRect, surf);
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2013-08-27 02:08:05 +00:00
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return;
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}
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surf = destSurf->CreateSimilarSurface(
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2013-09-24 20:45:13 +00:00
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GFX_CONTENT_COLOR_ALPHA,
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2013-08-27 04:51:37 +00:00
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gfxIntSize(ceil(destRect.width), ceil(destRect.height)));
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2013-08-27 02:08:05 +00:00
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} else {
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if (surf) {
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mozilla::gfx::DrawTarget* dt = dest->GetDrawTarget();
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mozilla::RefPtr<mozilla::gfx::SourceSurface> source =
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gfxPlatform::GetPlatform()->GetSourceSurfaceForSurface(dt, surf);
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if (source) {
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// Could be non-integer pixel alignment
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dt->DrawSurface(source,
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2013-08-27 04:51:37 +00:00
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mozilla::gfx::Rect(destRect.x, destRect.y, destRect.width, destRect.height),
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mozilla::gfx::Rect(0, 0, destRect.width, destRect.height));
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2013-08-27 02:08:05 +00:00
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return;
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}
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}
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surf = gfxPlatform::GetPlatform()->CreateOffscreenImageSurface(
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2013-08-27 04:51:37 +00:00
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gfxIntSize(ceil(destRect.width), ceil(destRect.height)),
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2013-09-24 20:45:13 +00:00
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GFX_CONTENT_COLOR_ALPHA);
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2012-07-23 03:00:36 +00:00
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}
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if (surf) {
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ctx = new gfxContext(surf);
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2012-11-15 01:35:18 +00:00
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ctx->Translate(-gfxPoint(destRect.x, destRect.y));
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2012-07-23 03:00:36 +00:00
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context.Init(aCtx->DeviceContext(), ctx);
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}
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}
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#endif
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2012-12-13 01:15:55 +00:00
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PaintInternal(aBuilder,
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surf ? &context : aCtx,
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surf ? bgClipRect: mVisibleRect,
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&bgClipRect);
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2012-07-23 03:00:36 +00:00
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if (surf) {
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2012-11-15 01:35:18 +00:00
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BlitSurface(dest, destRect, surf);
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2012-12-13 01:15:55 +00:00
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frame->Properties().Set(nsIFrame::CachedBackgroundImage(), surf.forget().get());
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2012-07-23 03:00:36 +00:00
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}
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2010-07-15 21:07:53 +00:00
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}
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2006-03-15 16:55:19 +00:00
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|
|
2013-07-18 06:34:58 +00:00
|
|
|
void
|
|
|
|
nsDisplayCanvasThemedBackground::Paint(nsDisplayListBuilder* aBuilder,
|
|
|
|
nsRenderingContext* aCtx)
|
|
|
|
{
|
|
|
|
nsCanvasFrame* frame = static_cast<nsCanvasFrame*>(mFrame);
|
|
|
|
nsPoint offset = ToReferenceFrame();
|
|
|
|
nsRect bgClipRect = frame->CanvasArea() + offset;
|
|
|
|
|
|
|
|
PaintInternal(aBuilder, aCtx, mVisibleRect, &bgClipRect);
|
|
|
|
}
|
|
|
|
|
2006-03-15 16:55:19 +00:00
|
|
|
/**
|
|
|
|
* A display item to paint the focus ring for the document.
|
|
|
|
*
|
|
|
|
* The only reason this can't use nsDisplayGeneric is overriding GetBounds.
|
|
|
|
*/
|
|
|
|
class nsDisplayCanvasFocus : public nsDisplayItem {
|
|
|
|
public:
|
2010-08-13 10:01:13 +00:00
|
|
|
nsDisplayCanvasFocus(nsDisplayListBuilder* aBuilder, nsCanvasFrame *aFrame)
|
|
|
|
: nsDisplayItem(aBuilder, aFrame)
|
2006-03-15 16:55:19 +00:00
|
|
|
{
|
2010-06-21 16:19:46 +00:00
|
|
|
MOZ_COUNT_CTOR(nsDisplayCanvasFocus);
|
|
|
|
}
|
|
|
|
virtual ~nsDisplayCanvasFocus() {
|
|
|
|
MOZ_COUNT_DTOR(nsDisplayCanvasFocus);
|
2006-03-15 16:55:19 +00:00
|
|
|
}
|
|
|
|
|
2012-04-10 11:24:18 +00:00
|
|
|
virtual nsRect GetBounds(nsDisplayListBuilder* aBuilder, bool* aSnap)
|
2006-03-15 16:55:19 +00:00
|
|
|
{
|
2012-04-10 11:24:18 +00:00
|
|
|
*aSnap = false;
|
2006-03-15 16:55:19 +00:00
|
|
|
// This is an overestimate, but that's not a problem.
|
2009-10-08 06:18:18 +00:00
|
|
|
nsCanvasFrame* frame = static_cast<nsCanvasFrame*>(mFrame);
|
2010-08-13 10:01:58 +00:00
|
|
|
return frame->CanvasArea() + ToReferenceFrame();
|
2006-03-15 16:55:19 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
virtual void Paint(nsDisplayListBuilder* aBuilder,
|
2011-04-08 01:04:40 +00:00
|
|
|
nsRenderingContext* aCtx)
|
2006-03-15 16:55:19 +00:00
|
|
|
{
|
2009-10-08 06:18:18 +00:00
|
|
|
nsCanvasFrame* frame = static_cast<nsCanvasFrame*>(mFrame);
|
2010-08-13 10:01:58 +00:00
|
|
|
frame->PaintFocus(*aCtx, ToReferenceFrame());
|
2006-03-15 16:55:19 +00:00
|
|
|
}
|
|
|
|
|
2010-07-15 21:07:49 +00:00
|
|
|
NS_DISPLAY_DECL_NAME("CanvasFocus", TYPE_CANVAS_FOCUS)
|
2006-03-15 16:55:19 +00:00
|
|
|
};
|
|
|
|
|
2013-02-14 11:12:27 +00:00
|
|
|
void
|
2009-10-08 06:18:18 +00:00
|
|
|
nsCanvasFrame::BuildDisplayList(nsDisplayListBuilder* aBuilder,
|
2010-03-20 21:54:19 +00:00
|
|
|
const nsRect& aDirtyRect,
|
|
|
|
const nsDisplayListSet& aLists)
|
2001-04-24 01:01:16 +00:00
|
|
|
{
|
2008-09-08 08:13:17 +00:00
|
|
|
if (GetPrevInFlow()) {
|
|
|
|
DisplayOverflowContainers(aBuilder, aDirtyRect, aLists);
|
|
|
|
}
|
|
|
|
|
2006-01-26 02:29:17 +00:00
|
|
|
// Force a background to be shown. We may have a background propagated to us,
|
2013-02-16 21:51:02 +00:00
|
|
|
// in which case StyleBackground wouldn't have the right background
|
2006-01-26 02:29:17 +00:00
|
|
|
// and the code in nsFrame::DisplayBorderBackgroundOutline might not give us
|
|
|
|
// a background.
|
2006-03-15 16:55:19 +00:00
|
|
|
// We don't have any border or outline, and our background draws over
|
|
|
|
// the overflow area, so just add nsDisplayCanvasBackground instead of
|
|
|
|
// calling DisplayBorderBackgroundOutline.
|
2012-09-13 10:34:23 +00:00
|
|
|
if (IsVisibleForPainting(aBuilder)) {
|
|
|
|
nsStyleContext* bgSC;
|
|
|
|
const nsStyleBackground* bg = nullptr;
|
2012-11-08 04:08:40 +00:00
|
|
|
bool isThemed = IsThemed();
|
2013-03-07 16:03:49 +00:00
|
|
|
if (!isThemed && nsCSSRendering::FindBackground(this, &bgSC)) {
|
2013-02-16 21:51:02 +00:00
|
|
|
bg = bgSC->StyleBackground();
|
2012-09-13 10:34:23 +00:00
|
|
|
}
|
2012-12-13 01:15:55 +00:00
|
|
|
aLists.BorderBackground()->AppendNewToTop(
|
|
|
|
new (aBuilder) nsDisplayCanvasBackgroundColor(aBuilder, this));
|
2012-12-13 22:16:14 +00:00
|
|
|
|
|
|
|
if (isThemed) {
|
2013-02-14 11:08:08 +00:00
|
|
|
aLists.BorderBackground()->AppendNewToTop(
|
2013-07-18 06:34:58 +00:00
|
|
|
new (aBuilder) nsDisplayCanvasThemedBackground(aBuilder, this));
|
2013-02-14 11:12:27 +00:00
|
|
|
return;
|
2012-12-13 22:16:14 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
if (!bg) {
|
2013-02-14 11:12:27 +00:00
|
|
|
return;
|
2012-12-13 22:16:14 +00:00
|
|
|
}
|
2012-12-13 01:15:55 +00:00
|
|
|
|
2012-09-13 10:34:23 +00:00
|
|
|
// Create separate items for each background layer.
|
|
|
|
NS_FOR_VISIBLE_BACKGROUND_LAYERS_BACK_TO_FRONT(i, bg) {
|
2012-12-13 22:16:14 +00:00
|
|
|
if (bg->mLayers[i].mImage.IsEmpty()) {
|
|
|
|
continue;
|
|
|
|
}
|
2013-02-14 11:08:08 +00:00
|
|
|
aLists.BorderBackground()->AppendNewToTop(
|
2013-07-18 06:34:58 +00:00
|
|
|
new (aBuilder) nsDisplayCanvasBackgroundImage(aBuilder, this, i, bg));
|
2012-09-13 10:34:23 +00:00
|
|
|
}
|
2006-03-15 16:55:19 +00:00
|
|
|
}
|
2006-01-26 02:29:17 +00:00
|
|
|
|
2008-09-08 08:13:17 +00:00
|
|
|
nsIFrame* kid;
|
2011-08-24 20:54:30 +00:00
|
|
|
for (kid = GetFirstPrincipalChild(); kid; kid = kid->GetNextSibling()) {
|
2006-01-26 02:29:17 +00:00
|
|
|
// Put our child into its own pseudo-stack.
|
2013-02-14 11:08:08 +00:00
|
|
|
BuildDisplayListForChild(aBuilder, kid, aDirtyRect, aLists);
|
2002-12-11 04:00:18 +00:00
|
|
|
}
|
|
|
|
|
2001-05-22 23:52:17 +00:00
|
|
|
#ifdef DEBUG_CANVAS_FOCUS
|
2006-01-26 02:29:17 +00:00
|
|
|
nsCOMPtr<nsIContent> focusContent;
|
|
|
|
aPresContext->EventStateManager()->
|
|
|
|
GetFocusedContent(getter_AddRefs(focusContent));
|
|
|
|
|
2011-09-29 06:19:26 +00:00
|
|
|
bool hasFocus = false;
|
2006-01-26 02:29:17 +00:00
|
|
|
nsCOMPtr<nsISupports> container;
|
|
|
|
aPresContext->GetContainer(getter_AddRefs(container));
|
|
|
|
nsCOMPtr<nsIDocShell> docShell(do_QueryInterface(container));
|
|
|
|
if (docShell) {
|
|
|
|
docShell->GetHasFocus(&hasFocus);
|
2009-10-08 06:18:18 +00:00
|
|
|
printf("%p - nsCanvasFrame::Paint R:%d,%d,%d,%d DR: %d,%d,%d,%d\n", this,
|
2006-01-26 02:29:17 +00:00
|
|
|
mRect.x, mRect.y, mRect.width, mRect.height,
|
|
|
|
aDirtyRect.x, aDirtyRect.y, aDirtyRect.width, aDirtyRect.height);
|
|
|
|
}
|
|
|
|
printf("%p - Focus: %s c: %p DoPaint:%s\n", docShell.get(), hasFocus?"Y":"N",
|
|
|
|
focusContent.get(), mDoPaintFocus?"Y":"N");
|
2001-05-22 23:52:17 +00:00
|
|
|
#endif
|
|
|
|
|
2006-01-26 02:29:17 +00:00
|
|
|
if (!mDoPaintFocus)
|
2013-02-14 11:12:27 +00:00
|
|
|
return;
|
2006-01-26 02:29:17 +00:00
|
|
|
// Only paint the focus if we're visible
|
2013-02-16 21:51:02 +00:00
|
|
|
if (!StyleVisibility()->IsVisible())
|
2013-02-14 11:12:27 +00:00
|
|
|
return;
|
2006-01-26 02:29:17 +00:00
|
|
|
|
2013-02-14 11:08:08 +00:00
|
|
|
aLists.Outlines()->AppendNewToTop(new (aBuilder)
|
|
|
|
nsDisplayCanvasFocus(aBuilder, this));
|
2006-01-26 02:29:17 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
void
|
2011-04-08 01:04:40 +00:00
|
|
|
nsCanvasFrame::PaintFocus(nsRenderingContext& aRenderingContext, nsPoint aPt)
|
2006-01-26 02:29:17 +00:00
|
|
|
{
|
2006-03-15 16:55:19 +00:00
|
|
|
nsRect focusRect(aPt, GetSize());
|
|
|
|
|
2009-01-12 19:20:59 +00:00
|
|
|
nsIScrollableFrame *scrollableFrame = do_QueryFrame(GetParent());
|
2006-03-15 16:55:19 +00:00
|
|
|
if (scrollableFrame) {
|
2009-09-03 04:26:00 +00:00
|
|
|
nsRect portRect = scrollableFrame->GetScrollPortRect();
|
|
|
|
focusRect.width = portRect.width;
|
|
|
|
focusRect.height = portRect.height;
|
|
|
|
focusRect.MoveBy(scrollableFrame->GetScrollPosition());
|
2001-05-22 23:52:17 +00:00
|
|
|
}
|
2006-01-26 02:29:17 +00:00
|
|
|
|
2006-04-28 23:21:01 +00:00
|
|
|
// XXX use the root frame foreground color, but should we find BODY frame
|
|
|
|
// for HTML documents?
|
|
|
|
nsIFrame* root = mFrames.FirstChild();
|
2013-02-16 21:51:02 +00:00
|
|
|
const nsStyleColor* color = root ? root->StyleColor() : StyleColor();
|
2006-04-28 23:21:01 +00:00
|
|
|
if (!color) {
|
|
|
|
NS_ERROR("current color cannot be found");
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
2008-08-06 10:33:18 +00:00
|
|
|
nsCSSRendering::PaintFocus(PresContext(), aRenderingContext,
|
|
|
|
focusRect, color->mColor);
|
2001-04-24 01:01:16 +00:00
|
|
|
}
|
|
|
|
|
Bug 300030: Move intrinsic width computation out of nsIFrame::Reflow and into its own methods on nsIFrame. Replace reflow reasons, types, and commands with dirty bits/notifications. Thanks to bzbarsky for almost all of the HTML form controls (mozilla/layout/forms) changes, and many others for help testing and patching. For detailed commit logs, see REFLOW_YYYYMMDD_BRANCH, where YYYYMMDD is one of 20061031, 20060830, 20060603, 20060302, 20060119, 20051011, 20050804, 20050429, 20050315, 20050111, and 20041213.
2006-12-08 05:38:33 +00:00
|
|
|
/* virtual */ nscoord
|
2011-04-08 01:04:40 +00:00
|
|
|
nsCanvasFrame::GetMinWidth(nsRenderingContext *aRenderingContext)
|
Bug 300030: Move intrinsic width computation out of nsIFrame::Reflow and into its own methods on nsIFrame. Replace reflow reasons, types, and commands with dirty bits/notifications. Thanks to bzbarsky for almost all of the HTML form controls (mozilla/layout/forms) changes, and many others for help testing and patching. For detailed commit logs, see REFLOW_YYYYMMDD_BRANCH, where YYYYMMDD is one of 20061031, 20060830, 20060603, 20060302, 20060119, 20051011, 20050804, 20050429, 20050315, 20050111, and 20041213.
2006-12-08 05:38:33 +00:00
|
|
|
{
|
|
|
|
nscoord result;
|
|
|
|
DISPLAY_MIN_WIDTH(this, result);
|
|
|
|
if (mFrames.IsEmpty())
|
|
|
|
result = 0;
|
|
|
|
else
|
|
|
|
result = mFrames.FirstChild()->GetMinWidth(aRenderingContext);
|
|
|
|
return result;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* virtual */ nscoord
|
2011-04-08 01:04:40 +00:00
|
|
|
nsCanvasFrame::GetPrefWidth(nsRenderingContext *aRenderingContext)
|
Bug 300030: Move intrinsic width computation out of nsIFrame::Reflow and into its own methods on nsIFrame. Replace reflow reasons, types, and commands with dirty bits/notifications. Thanks to bzbarsky for almost all of the HTML form controls (mozilla/layout/forms) changes, and many others for help testing and patching. For detailed commit logs, see REFLOW_YYYYMMDD_BRANCH, where YYYYMMDD is one of 20061031, 20060830, 20060603, 20060302, 20060119, 20051011, 20050804, 20050429, 20050315, 20050111, and 20041213.
2006-12-08 05:38:33 +00:00
|
|
|
{
|
|
|
|
nscoord result;
|
|
|
|
DISPLAY_PREF_WIDTH(this, result);
|
|
|
|
if (mFrames.IsEmpty())
|
|
|
|
result = 0;
|
|
|
|
else
|
|
|
|
result = mFrames.FirstChild()->GetPrefWidth(aRenderingContext);
|
|
|
|
return result;
|
|
|
|
}
|
|
|
|
|
1998-09-08 22:34:40 +00:00
|
|
|
NS_IMETHODIMP
|
2009-10-08 06:18:18 +00:00
|
|
|
nsCanvasFrame::Reflow(nsPresContext* aPresContext,
|
2012-11-27 09:05:10 +00:00
|
|
|
nsHTMLReflowMetrics& aDesiredSize,
|
|
|
|
const nsHTMLReflowState& aReflowState,
|
|
|
|
nsReflowStatus& aStatus)
|
1998-09-08 22:34:40 +00:00
|
|
|
{
|
2009-10-08 06:18:18 +00:00
|
|
|
DO_GLOBAL_REFLOW_COUNT("nsCanvasFrame");
|
2002-04-03 04:21:20 +00:00
|
|
|
DISPLAY_REFLOW(aPresContext, this, aReflowState, aDesiredSize, aStatus);
|
2009-10-08 06:18:18 +00:00
|
|
|
NS_FRAME_TRACE_REFLOW_IN("nsCanvasFrame::Reflow");
|
1998-09-08 22:34:40 +00:00
|
|
|
|
1998-12-22 03:49:04 +00:00
|
|
|
// Initialize OUT parameter
|
1998-09-08 22:34:40 +00:00
|
|
|
aStatus = NS_FRAME_COMPLETE;
|
|
|
|
|
2009-10-08 06:18:18 +00:00
|
|
|
nsCanvasFrame* prevCanvasFrame = static_cast<nsCanvasFrame*>
|
2008-09-08 08:13:17 +00:00
|
|
|
(GetPrevInFlow());
|
|
|
|
if (prevCanvasFrame) {
|
2013-04-01 15:26:02 +00:00
|
|
|
AutoFrameListPtr overflow(aPresContext,
|
|
|
|
prevCanvasFrame->StealOverflowFrames());
|
2008-09-08 08:13:17 +00:00
|
|
|
if (overflow) {
|
2009-07-28 12:51:09 +00:00
|
|
|
NS_ASSERTION(overflow->OnlyChild(),
|
2008-09-08 08:13:17 +00:00
|
|
|
"must have doc root as canvas frame's only child");
|
2011-04-19 11:55:11 +00:00
|
|
|
nsContainerFrame::ReparentFrameViewList(aPresContext, *overflow,
|
|
|
|
prevCanvasFrame, this);
|
2008-09-08 08:13:17 +00:00
|
|
|
// Prepend overflow to the our child list. There may already be
|
|
|
|
// children placeholders for fixed-pos elements, which don't get
|
|
|
|
// reflowed but must not be lost until the canvas frame is destroyed.
|
2012-07-30 14:20:58 +00:00
|
|
|
mFrames.InsertFrames(this, nullptr, *overflow);
|
2008-09-08 08:13:17 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2010-08-05 21:59:36 +00:00
|
|
|
// Set our size up front, since some parts of reflow depend on it
|
|
|
|
// being already set. Note that the computed height may be
|
|
|
|
// unconstrained; that's ok. Consumers should watch out for that.
|
|
|
|
SetSize(nsSize(aReflowState.ComputedWidth(), aReflowState.ComputedHeight()));
|
|
|
|
|
2008-09-08 08:13:17 +00:00
|
|
|
// Reflow our one and only normal child frame. It's either the root
|
|
|
|
// element's frame or a placeholder for that frame, if the root element
|
|
|
|
// is abs-pos or fixed-pos. We may have additional children which
|
|
|
|
// are placeholders for continuations of fixed-pos content, but those
|
|
|
|
// don't need to be reflowed. The normal child is always comes before
|
|
|
|
// the fixed-pos placeholders, because we insert it at the start
|
|
|
|
// of the child list, above.
|
Bug 300030: Move intrinsic width computation out of nsIFrame::Reflow and into its own methods on nsIFrame. Replace reflow reasons, types, and commands with dirty bits/notifications. Thanks to bzbarsky for almost all of the HTML form controls (mozilla/layout/forms) changes, and many others for help testing and patching. For detailed commit logs, see REFLOW_YYYYMMDD_BRANCH, where YYYYMMDD is one of 20061031, 20060830, 20060603, 20060302, 20060119, 20051011, 20050804, 20050429, 20050315, 20050111, and 20041213.
2006-12-08 05:38:33 +00:00
|
|
|
nsHTMLReflowMetrics kidDesiredSize;
|
1999-01-31 18:46:22 +00:00
|
|
|
if (mFrames.IsEmpty()) {
|
1999-07-27 14:15:42 +00:00
|
|
|
// We have no child frame, so return an empty size
|
1999-01-31 18:46:22 +00:00
|
|
|
aDesiredSize.width = aDesiredSize.height = 0;
|
|
|
|
} else {
|
1999-01-26 00:05:21 +00:00
|
|
|
nsIFrame* kidFrame = mFrames.FirstChild();
|
2011-09-29 06:19:26 +00:00
|
|
|
bool kidDirty = (kidFrame->GetStateBits() & NS_FRAME_IS_DIRTY) != 0;
|
1998-10-01 04:46:11 +00:00
|
|
|
|
2002-05-10 18:22:41 +00:00
|
|
|
nsHTMLReflowState kidReflowState(aPresContext, aReflowState, kidFrame,
|
|
|
|
nsSize(aReflowState.availableWidth,
|
2008-09-08 08:13:17 +00:00
|
|
|
aReflowState.availableHeight));
|
2002-05-10 18:22:41 +00:00
|
|
|
|
2007-10-19 03:45:30 +00:00
|
|
|
if (aReflowState.mFlags.mVResize &&
|
|
|
|
(kidFrame->GetStateBits() & NS_FRAME_CONTAINS_RELATIVE_HEIGHT)) {
|
|
|
|
// Tell our kid it's being vertically resized too. Bit of a
|
|
|
|
// hack for framesets.
|
2011-10-17 14:59:28 +00:00
|
|
|
kidReflowState.mFlags.mVResize = true;
|
2007-10-19 03:45:30 +00:00
|
|
|
}
|
2008-09-08 08:13:17 +00:00
|
|
|
|
|
|
|
nsPoint kidPt(kidReflowState.mComputedMargin.left,
|
|
|
|
kidReflowState.mComputedMargin.top);
|
2013-07-16 00:28:09 +00:00
|
|
|
|
|
|
|
kidReflowState.ApplyRelativePositioning(&kidPt);
|
2008-09-08 08:13:17 +00:00
|
|
|
|
1998-12-22 03:49:04 +00:00
|
|
|
// Reflow the frame
|
1999-10-30 02:52:11 +00:00
|
|
|
ReflowChild(kidFrame, aPresContext, kidDesiredSize, kidReflowState,
|
2008-09-08 08:13:17 +00:00
|
|
|
kidPt.x, kidPt.y, 0, aStatus);
|
1999-10-30 02:52:11 +00:00
|
|
|
|
1999-11-19 15:33:29 +00:00
|
|
|
// Complete the reflow and position and size the child frame
|
2004-03-10 03:09:05 +00:00
|
|
|
FinishReflowChild(kidFrame, aPresContext, &kidReflowState, kidDesiredSize,
|
2008-09-08 08:13:17 +00:00
|
|
|
kidPt.x, kidPt.y, 0);
|
|
|
|
|
|
|
|
if (!NS_FRAME_IS_FULLY_COMPLETE(aStatus)) {
|
|
|
|
nsIFrame* nextFrame = kidFrame->GetNextInFlow();
|
|
|
|
NS_ASSERTION(nextFrame || aStatus & NS_FRAME_REFLOW_NEXTINFLOW,
|
|
|
|
"If it's incomplete and has no nif yet, it must flag a nif reflow.");
|
|
|
|
if (!nextFrame) {
|
2013-03-20 01:47:49 +00:00
|
|
|
nextFrame = aPresContext->PresShell()->FrameConstructor()->
|
|
|
|
CreateContinuingFrame(aPresContext, kidFrame, this);
|
2009-09-18 11:09:36 +00:00
|
|
|
SetOverflowFrames(aPresContext, nsFrameList(nextFrame, nextFrame));
|
2008-09-08 08:13:17 +00:00
|
|
|
// Root overflow containers will be normal children of
|
|
|
|
// the canvas frame, but that's ok because there
|
|
|
|
// aren't any other frames we need to isolate them from
|
|
|
|
// during reflow.
|
|
|
|
}
|
|
|
|
if (NS_FRAME_OVERFLOW_IS_INCOMPLETE(aStatus)) {
|
|
|
|
nextFrame->AddStateBits(NS_FRAME_IS_OVERFLOW_CONTAINER);
|
|
|
|
}
|
|
|
|
}
|
1999-07-27 14:15:42 +00:00
|
|
|
|
1999-10-30 02:52:11 +00:00
|
|
|
// If the child frame was just inserted, then we're responsible for making sure
|
|
|
|
// it repaints
|
Bug 300030: Move intrinsic width computation out of nsIFrame::Reflow and into its own methods on nsIFrame. Replace reflow reasons, types, and commands with dirty bits/notifications. Thanks to bzbarsky for almost all of the HTML form controls (mozilla/layout/forms) changes, and many others for help testing and patching. For detailed commit logs, see REFLOW_YYYYMMDD_BRANCH, where YYYYMMDD is one of 20061031, 20060830, 20060603, 20060302, 20060119, 20051011, 20050804, 20050429, 20050315, 20050111, and 20041213.
2006-12-08 05:38:33 +00:00
|
|
|
if (kidDirty) {
|
2005-01-21 04:42:30 +00:00
|
|
|
// But we have a new child, which will affect our background, so
|
|
|
|
// invalidate our whole rect.
|
|
|
|
// Note: Even though we request to be sized to our child's size, our
|
|
|
|
// scroll frame ensures that we are always the size of the viewport.
|
|
|
|
// Also note: GetPosition() on a CanvasFrame is always going to return
|
2010-10-07 04:25:47 +00:00
|
|
|
// (0, 0). We only want to invalidate GetRect() since Get*OverflowRect()
|
2005-01-21 04:42:30 +00:00
|
|
|
// could also include overflow to our top and left (out of the viewport)
|
|
|
|
// which doesn't need to be painted.
|
2007-07-20 20:14:43 +00:00
|
|
|
nsIFrame* viewport = PresContext()->GetPresShell()->GetRootFrame();
|
2012-08-29 05:39:31 +00:00
|
|
|
viewport->InvalidateFrame();
|
1998-10-01 04:46:11 +00:00
|
|
|
}
|
2008-09-08 08:13:17 +00:00
|
|
|
|
2008-12-09 00:33:46 +00:00
|
|
|
// Return our desired size. Normally it's what we're told, but
|
|
|
|
// sometimes we can be given an unconstrained height (when a window
|
|
|
|
// is sizing-to-content), and we should compute our desired height.
|
2008-09-08 08:13:17 +00:00
|
|
|
aDesiredSize.width = aReflowState.ComputedWidth();
|
2008-12-09 00:33:46 +00:00
|
|
|
if (aReflowState.ComputedHeight() == NS_UNCONSTRAINEDSIZE) {
|
|
|
|
aDesiredSize.height = kidFrame->GetRect().height +
|
|
|
|
kidReflowState.mComputedMargin.TopBottom();
|
|
|
|
} else {
|
|
|
|
aDesiredSize.height = aReflowState.ComputedHeight();
|
|
|
|
}
|
2006-03-15 16:55:19 +00:00
|
|
|
|
2010-10-07 04:25:46 +00:00
|
|
|
aDesiredSize.SetOverflowAreasToDesiredBounds();
|
|
|
|
aDesiredSize.mOverflowAreas.UnionWith(
|
|
|
|
kidDesiredSize.mOverflowAreas + kidPt);
|
1999-01-26 00:05:21 +00:00
|
|
|
}
|
1998-09-08 22:34:40 +00:00
|
|
|
|
2008-09-08 08:13:17 +00:00
|
|
|
if (prevCanvasFrame) {
|
|
|
|
ReflowOverflowContainerChildren(aPresContext, aReflowState,
|
2010-10-07 04:25:45 +00:00
|
|
|
aDesiredSize.mOverflowAreas, 0,
|
2008-09-08 08:13:17 +00:00
|
|
|
aStatus);
|
|
|
|
}
|
|
|
|
|
2011-04-29 23:02:33 +00:00
|
|
|
FinishReflowWithAbsoluteFrames(aPresContext, aDesiredSize, aReflowState, aStatus);
|
2008-09-08 08:13:17 +00:00
|
|
|
|
2009-10-08 06:18:18 +00:00
|
|
|
NS_FRAME_TRACE_REFLOW_OUT("nsCanvasFrame::Reflow", aStatus);
|
2002-05-28 22:50:43 +00:00
|
|
|
NS_FRAME_SET_TRUNCATION(aStatus, aReflowState, aDesiredSize);
|
1998-09-08 22:34:40 +00:00
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
2003-10-31 20:19:18 +00:00
|
|
|
nsIAtom*
|
2009-10-08 06:18:18 +00:00
|
|
|
nsCanvasFrame::GetType() const
|
1999-02-14 03:47:33 +00:00
|
|
|
{
|
2006-12-26 17:47:52 +00:00
|
|
|
return nsGkAtoms::canvasFrame;
|
1999-02-14 03:47:33 +00:00
|
|
|
}
|
|
|
|
|
2001-05-18 23:08:00 +00:00
|
|
|
NS_IMETHODIMP
|
2011-09-26 20:55:04 +00:00
|
|
|
nsCanvasFrame::GetContentForEvent(nsEvent* aEvent,
|
|
|
|
nsIContent** aContent)
|
2001-05-18 23:08:00 +00:00
|
|
|
{
|
|
|
|
NS_ENSURE_ARG_POINTER(aContent);
|
2011-09-26 20:55:04 +00:00
|
|
|
nsresult rv = nsFrame::GetContentForEvent(aEvent,
|
2001-05-18 23:08:00 +00:00
|
|
|
aContent);
|
|
|
|
if (NS_FAILED(rv) || !*aContent) {
|
|
|
|
nsIFrame* kid = mFrames.FirstChild();
|
|
|
|
if (kid) {
|
2011-09-26 20:55:04 +00:00
|
|
|
rv = kid->GetContentForEvent(aEvent,
|
2001-05-18 23:08:00 +00:00
|
|
|
aContent);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return rv;
|
|
|
|
}
|
|
|
|
|
1999-11-01 22:12:45 +00:00
|
|
|
#ifdef DEBUG
|
1998-11-13 02:20:31 +00:00
|
|
|
NS_IMETHODIMP
|
2009-10-08 06:18:18 +00:00
|
|
|
nsCanvasFrame::GetFrameName(nsAString& aResult) const
|
1998-11-13 02:20:31 +00:00
|
|
|
{
|
2001-11-14 01:33:42 +00:00
|
|
|
return MakeFrameName(NS_LITERAL_STRING("Canvas"), aResult);
|
1998-11-13 02:20:31 +00:00
|
|
|
}
|
1999-09-01 01:02:16 +00:00
|
|
|
#endif
|