651a78c453
What this does is: 1) Reflows the first time constrained and remembers mOverflowArea.XMost() of the HTML frame and then later uses that for the calculation of the ratio. 2) Renames some variables 3) This also changes the the maximum STF ratio from 0.5 to 0.3 to match the dropdown in PP Bug 168961 r=dcone sr=kin
227 lines
7.4 KiB
C++
227 lines
7.4 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* ***** BEGIN LICENSE BLOCK *****
|
|
* Version: NPL 1.1/GPL 2.0/LGPL 2.1
|
|
*
|
|
* The contents of this file are subject to the Netscape 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/NPL/
|
|
*
|
|
* 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):
|
|
*
|
|
* Alternatively, the contents of this file may be used under the terms of
|
|
* either 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 NPL, 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 NPL, the GPL or the LGPL.
|
|
*
|
|
* ***** END LICENSE BLOCK ***** */
|
|
#include "nsPageContentFrame.h"
|
|
#include "nsHTMLParts.h"
|
|
#include "nsIContent.h"
|
|
#include "nsIPresContext.h"
|
|
#include "nsIStyleContext.h"
|
|
#include "nsIRenderingContext.h"
|
|
#include "nsHTMLAtoms.h"
|
|
#include "nsLayoutAtoms.h"
|
|
#include "nsIStyleSet.h"
|
|
#include "nsIPresShell.h"
|
|
#include "nsIDeviceContext.h"
|
|
#include "nsReadableUtils.h"
|
|
#include "nsIPrintPreviewContext.h"
|
|
#include "nsSimplePageSequence.h"
|
|
|
|
#include "nsIView.h"
|
|
|
|
#if defined(DEBUG_rods) || defined(DEBUG_dcone)
|
|
//#define DEBUG_PRINTING
|
|
#endif
|
|
|
|
|
|
nsresult
|
|
NS_NewPageContentFrame(nsIPresShell* aPresShell, nsIFrame** aNewFrame)
|
|
{
|
|
NS_PRECONDITION(aNewFrame, "null OUT ptr");
|
|
|
|
nsPageContentFrame* it = new (aPresShell) nsPageContentFrame;
|
|
if (nsnull == it) {
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
*aNewFrame = it;
|
|
return NS_OK;
|
|
}
|
|
|
|
nsPageContentFrame::nsPageContentFrame() :
|
|
mClipRect(-1, -1, -1, -1)
|
|
{
|
|
}
|
|
|
|
NS_IMETHODIMP nsPageContentFrame::Reflow(nsIPresContext* aPresContext,
|
|
nsHTMLReflowMetrics& aDesiredSize,
|
|
const nsHTMLReflowState& aReflowState,
|
|
nsReflowStatus& aStatus)
|
|
{
|
|
DO_GLOBAL_REFLOW_COUNT("nsPageContentFrame", aReflowState.reason);
|
|
DISPLAY_REFLOW(aPresContext, this, aReflowState, aDesiredSize, aStatus);
|
|
aStatus = NS_FRAME_COMPLETE; // initialize out parameter
|
|
|
|
if (eReflowReason_Incremental != aReflowState.reason) {
|
|
// Resize our frame allowing it only to be as big as we are
|
|
// XXX Pay attention to the page's border and padding...
|
|
if (mFrames.NotEmpty()) {
|
|
nsIFrame* frame = mFrames.FirstChild();
|
|
nsSize maxSize(aReflowState.availableWidth, aReflowState.availableHeight);
|
|
nsHTMLReflowState kidReflowState(aPresContext, aReflowState, frame, maxSize);
|
|
|
|
mPD->mPageContentSize = aReflowState.availableWidth;
|
|
|
|
// Reflow the page content area to get the child's desired size
|
|
ReflowChild(frame, aPresContext, aDesiredSize, kidReflowState, 0, 0, 0, aStatus);
|
|
|
|
// The document element's background should cover the entire canvas, so
|
|
// take into account the combined area and any space taken up by
|
|
// absolutely positioned elements
|
|
nsMargin border(0,0,0,0);
|
|
nsMargin padding(0,0,0,0);
|
|
nsFrameState kidState;
|
|
|
|
// Ignore the return values for these
|
|
// Typically they are zero and if they fail
|
|
// we should keep going anyway, there impact is small
|
|
kidReflowState.mStyleBorder->GetBorder(border);
|
|
kidReflowState.mStylePadding->GetPadding(padding);
|
|
frame->GetFrameState(&kidState);
|
|
|
|
// First check the combined area
|
|
if (NS_FRAME_OUTSIDE_CHILDREN & kidState) {
|
|
// The background covers the content area and padding area, so check
|
|
// for children sticking outside the child frame's padding edge
|
|
nscoord paddingEdgeX = aDesiredSize.width - border.right - padding.right;
|
|
if (aDesiredSize.mOverflowArea.XMost() > aDesiredSize.width) {
|
|
mPD->mPageContentXMost = aDesiredSize.mOverflowArea.XMost() + border.right + padding.right;
|
|
}
|
|
}
|
|
|
|
// Place and size the child
|
|
FinishReflowChild(frame, aPresContext, &kidReflowState, aDesiredSize, 0, 0, 0);
|
|
|
|
#ifdef NS_DEBUG
|
|
// Is the frame complete?
|
|
if (NS_FRAME_IS_COMPLETE(aStatus)) {
|
|
nsIFrame* childNextInFlow;
|
|
|
|
frame->GetNextInFlow(&childNextInFlow);
|
|
NS_ASSERTION(nsnull == childNextInFlow, "bad child flow list");
|
|
}
|
|
#endif
|
|
|
|
#ifdef DEBUG_PRINTING
|
|
nsRect r;
|
|
frame->GetRect(r);
|
|
printf("PCF: Area Frame %p Bounds: %5d,%5d,%5d,%5d\n", frame, r.x, r.y, r.width, r.height);
|
|
nsIView* view;
|
|
frame->GetView(aPresContext, &view);
|
|
if (view) {
|
|
view->GetBounds(r);
|
|
printf("PCF: Area Frame View Bounds: %5d,%5d,%5d,%5d\n", r.x, r.y, r.width, r.height);
|
|
} else {
|
|
printf("PCF: Area Frame View Bounds: NO VIEW\n");
|
|
}
|
|
#endif
|
|
}
|
|
// Return our desired size
|
|
aDesiredSize.width = aReflowState.availableWidth;
|
|
if (aReflowState.availableHeight != NS_UNCONSTRAINEDSIZE) {
|
|
aDesiredSize.height = aReflowState.availableHeight;
|
|
}
|
|
}
|
|
|
|
NS_FRAME_SET_TRUNCATION(aStatus, aReflowState, aDesiredSize);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsPageContentFrame::GetFrameType(nsIAtom** aType) const
|
|
{
|
|
NS_PRECONDITION(nsnull != aType, "null OUT parameter pointer");
|
|
*aType = nsLayoutAtoms::pageContentFrame;
|
|
NS_ADDREF(*aType);
|
|
return NS_OK;
|
|
}
|
|
|
|
#ifdef DEBUG
|
|
NS_IMETHODIMP
|
|
nsPageContentFrame::GetFrameName(nsAString& aResult) const
|
|
{
|
|
return MakeFrameName(NS_LITERAL_STRING("PageContent"), aResult);
|
|
}
|
|
#endif
|
|
|
|
NS_IMETHODIMP
|
|
nsPageContentFrame::IsPercentageBase(PRBool& aBase) const
|
|
{
|
|
aBase = PR_TRUE;
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
//------------------------------------------------------------------------------
|
|
NS_IMETHODIMP
|
|
nsPageContentFrame::Paint(nsIPresContext* aPresContext,
|
|
nsIRenderingContext& aRenderingContext,
|
|
const nsRect& aDirtyRect,
|
|
nsFramePaintLayer aWhichLayer,
|
|
PRUint32 aFlags)
|
|
{
|
|
aRenderingContext.PushState();
|
|
|
|
nsRect rect;
|
|
if (mClipRect.width != -1 || mClipRect.height != -1) {
|
|
rect = mClipRect;
|
|
} else {
|
|
rect = mRect;
|
|
rect.x = 0;
|
|
rect.y = 0;
|
|
}
|
|
|
|
PRBool clipEmpty;
|
|
aRenderingContext.SetClipRect(rect, nsClipCombine_kReplace, clipEmpty);
|
|
|
|
nsresult rv = nsContainerFrame::Paint(aPresContext, aRenderingContext, aDirtyRect, aWhichLayer);
|
|
|
|
#if defined(DEBUG_rods) || defined(DEBUG_dcone)
|
|
if (NS_FRAME_PAINT_LAYER_BACKGROUND == aWhichLayer) {
|
|
nsRect r = mRect;
|
|
r.x = 0;
|
|
r.y = 0;
|
|
aRenderingContext.SetColor(NS_RGB(0, 0, 0));
|
|
aRenderingContext.DrawRect(r);
|
|
}
|
|
#endif
|
|
|
|
aRenderingContext.PopState(clipEmpty);
|
|
|
|
return rv;
|
|
}
|
|
|
|
|
|
|