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Bug 663028 - Make Print Preview themable with CSS, and modernize its look r=roc

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This commit is contained in:
Michael Ventnor 2011-06-10 20:07:26 +10:00
parent 6895a96f41
commit 383f357ec8
9 changed files with 69 additions and 100 deletions
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1
layout/base/nsCSSRendering.cpp
View File

@ -923,7 +923,6 @@ nsCSSRendering::IsCanvasFrame(nsIFrame* aFrame)
nsIAtom* frameType = aFrame->GetType();
return frameType == nsGkAtoms::canvasFrame ||
frameType == nsGkAtoms::rootFrame ||
frameType == nsGkAtoms::pageFrame ||
frameType == nsGkAtoms::pageContentFrame ||
frameType == nsGkAtoms::viewportFrame;
}

1
layout/base/nsDisplayItemTypes.h
View File

@ -79,7 +79,6 @@ enum Type {
TYPE_PAGE_SEQUENCE,
TYPE_PLUGIN,
TYPE_PLUGIN_READBACK,
TYPE_PRINT_PREVIEW_BACKGROUND,
TYPE_PRINT_PLUGIN,
TYPE_REMOTE,
TYPE_REMOTE_SHADOW,

10
layout/base/nsDocumentViewer.cpp
View File

@ -3859,16 +3859,8 @@ DocumentViewerImpl::PrintPreviewNavigate(PRInt16 aType, PRInt32 aPageNum)
}
if (fndPageFrame) {
nscoord deadSpaceGapTwips = 0;
nsIPageSequenceFrame * sqf = do_QueryFrame(seqFrame);
if (sqf) {
sqf->GetDeadSpaceValue(&deadSpaceGapTwips);
}
nscoord deadSpaceGap = nsPresContext::CSSTwipsToAppUnits(deadSpaceGapTwips);
nscoord newYPosn =
nscoord(mPrintEngine->GetPrintPreviewScale() *
float(fndPageFrame->GetPosition().y - deadSpaceGap));
nscoord(mPrintEngine->GetPrintPreviewScale() * fndPageFrame->GetPosition().y);
sf->ScrollTo(nsPoint(pt.x, newYPosn), nsIScrollableFrame::INSTANT);
}
return NS_OK;

3
layout/generic/nsIPageSequenceFrame.h
View File

@ -81,9 +81,6 @@ public:
NS_IMETHOD SetTotalNumPages(PRInt32 aTotal) = 0;
// Gets the dead space (the gray area) around the Print Preview Page
NS_IMETHOD GetDeadSpaceValue(nscoord* aValue) = 0;
// For Shrink To Fit
NS_IMETHOD GetSTFPercent(float& aSTFPercent) = 0;
};

54
layout/generic/nsPageFrame.cpp
View File

@ -150,6 +150,10 @@ NS_IMETHODIMP nsPageFrame::Reflow(nsPresContext* aPresContext,
if (aReflowState.availableHeight != NS_UNCONSTRAINEDSIZE) {
aDesiredSize.height = aReflowState.availableHeight;
}
aDesiredSize.SetOverflowAreasToDesiredBounds();
FinishAndStoreOverflow(&aDesiredSize);
PR_PL(("PageFrame::Reflow %p ", this));
PR_PL(("[%d,%d]\n", aReflowState.availableWidth, aReflowState.availableHeight));
@ -393,12 +397,6 @@ nsPageFrame::DrawHeaderFooter(nsRenderingContext& aRenderingContext,
}
}
static void PaintPrintPreviewBackground(nsIFrame* aFrame, nsRenderingContext* aCtx,
const nsRect& aDirtyRect, nsPoint aPt)
{
static_cast<nsPageFrame*>(aFrame)->PaintPrintPreviewBackground(*aCtx, aPt);
}
static void PaintPageContent(nsIFrame* aFrame, nsRenderingContext* aCtx,
const nsRect& aDirtyRect, nsPoint aPt)
{
@ -421,10 +419,7 @@ nsPageFrame::BuildDisplayList(nsDisplayListBuilder* aBuilder,
nsresult rv;
if (PresContext()->IsScreen()) {
rv = set.BorderBackground()->AppendNewToTop(new (aBuilder)
nsDisplayGeneric(aBuilder, this, ::PaintPrintPreviewBackground,
"PrintPreviewBackground",
nsDisplayItem::TYPE_PRINT_PREVIEW_BACKGROUND));
rv = DisplayBorderBackgroundOutline(aBuilder, aLists);
NS_ENSURE_SUCCESS(rv, rv);
}
@ -455,41 +450,6 @@ nsPageFrame::SetPageNumInfo(PRInt32 aPageNumber, PRInt32 aTotalPages)
}
void
nsPageFrame::PaintPrintPreviewBackground(nsRenderingContext& aRenderingContext,
nsPoint aPt)
{
// fill page with White
aRenderingContext.SetColor(NS_RGB(255,255,255));
// REVIEW: this used to have rect's width and height be the
// mClipRect if specialClipIsSet ... but that seems completely bogus
// and inconsistent with the painting of the shadow below
nsRect rect(aPt, GetSize());
rect.width -= mPD->mShadowSize.width;
rect.height -= mPD->mShadowSize.height;
aRenderingContext.FillRect(rect);
// draw line around outside of page
aRenderingContext.SetColor(NS_RGB(0,0,0));
aRenderingContext.DrawRect(rect);
if (mPD->mShadowSize.width > 0 && mPD->mShadowSize.height > 0) {
aRenderingContext.SetColor(NS_RGB(51,51,51));
nsRect r(aPt.x,aPt.y, mRect.width, mRect.height);
nsRect shadowRect;
shadowRect.x = r.x + r.width - mPD->mShadowSize.width;
shadowRect.y = r.y + mPD->mShadowSize.height;
shadowRect.width = mPD->mShadowSize.width;
shadowRect.height = r.height - mPD->mShadowSize.height;
aRenderingContext.FillRect(shadowRect);
shadowRect.x = r.x + mPD->mShadowSize.width;
shadowRect.y = r.y + r.height - mPD->mShadowSize.height;
shadowRect.width = r.width - mPD->mShadowSize.width;
shadowRect.height = mPD->mShadowSize.height;
aRenderingContext.FillRect(shadowRect);
}
}
void
nsPageFrame::PaintHeaderFooter(nsRenderingContext& aRenderingContext,
nsPoint aPt)
@ -503,9 +463,7 @@ nsPageFrame::PaintHeaderFooter(nsRenderingContext& aRenderingContext,
return;
}
nsRect rect(aPt.x, aPt.y, mRect.width - mPD->mShadowSize.width,
mRect.height - mPD->mShadowSize.height);
nsRect rect(aPt, mRect.Size());
aRenderingContext.SetColor(NS_RGB(0,0,0));
// Get the FontMetrics to determine width.height of strings

6
layout/generic/nsPageFrame.h
View File

@ -81,8 +81,10 @@ public:
virtual void SetSharedPageData(nsSharedPageData* aPD);
void PaintPrintPreviewBackground(nsRenderingContext& aRenderingContext,
nsPoint aPt);
// We must allow Print Preview UI to have a background, no matter what the
// user's settings
virtual PRBool HonorPrintBackgroundSettings() { return PR_FALSE; }
void PaintHeaderFooter(nsRenderingContext& aRenderingContext,
nsPoint aPt);
void PaintPageContent(nsRenderingContext& aRenderingContext,

63
layout/generic/nsSimplePageSequence.cpp
View File

@ -87,7 +87,6 @@ nsSharedPageData::nsSharedPageData() :
mDocURL(nsnull),
mReflowSize(0,0),
mReflowMargin(0,0,0,0),
mShadowSize(0,0),
mExtraMargin(0,0,0,0),
mEdgePaperMargin(0,0,0,0),
mPageContentXMost(0),
@ -146,6 +145,22 @@ NS_QUERYFRAME_TAIL_INHERITING(nsContainerFrame)
//----------------------------------------------------------------------
void
nsSimplePageSequenceFrame::SetDesiredSize(nsHTMLReflowMetrics& aDesiredSize,
const nsHTMLReflowState& aReflowState,
nscoord aWidth,
nscoord aHeight)
{
// Aim to fill the whole size of the document, not only so we
// can act as a background in print preview but also handle overflow
// in child page frames correctly.
// Use availableWidth so we don't cause a needless horizontal scrollbar.
aDesiredSize.width = NS_MAX(aReflowState.availableWidth,
nscoord(aWidth * PresContext()->GetPrintPreviewScale()));
aDesiredSize.height = NS_MAX(aReflowState.ComputedHeight(),
nscoord(aHeight * PresContext()->GetPrintPreviewScale()));
}
NS_IMETHODIMP
nsSimplePageSequenceFrame::Reflow(nsPresContext* aPresContext,
nsHTMLReflowMetrics& aDesiredSize,
@ -164,16 +179,12 @@ nsSimplePageSequenceFrame::Reflow(nsPresContext* aPresContext,
// it right in paginated mode.
if (!(GetStateBits() & NS_FRAME_FIRST_REFLOW)) {
// Return our desired size
aDesiredSize.height = mSize.height * PresContext()->GetPrintPreviewScale();
aDesiredSize.width = mSize.width * PresContext()->GetPrintPreviewScale();
SetDesiredSize(aDesiredSize, aReflowState, mSize.width, mSize.height);
aDesiredSize.SetOverflowAreasToDesiredBounds();
FinishAndStoreOverflow(&aDesiredSize);
return NS_OK;
}
PRBool isPrintPreview =
aPresContext->Type() == nsPresContext::eContext_PrintPreview;
// See if we can get a Print Settings from the Context
if (!mPageData->mPrintSettings &&
aPresContext->Medium() == nsGkAtoms::print) {
@ -235,29 +246,21 @@ nsSimplePageSequenceFrame::Reflow(nsPresContext* aPresContext,
nscoord extraGap = aPresContext->CSSTwipsToAppUnits(gapInTwips);
extraGap = NS_MIN(extraGap, extraThreshold); // clamp to 1/10 of the largest dim of the page
nscoord deadSpaceGap = 0;
if (isPrintPreview) {
GetDeadSpaceValue(&gapInTwips);
deadSpaceGap = aPresContext->CSSTwipsToAppUnits(gapInTwips);
}
nsMargin extraMargin(0,0,0,0);
nsSize shadowSize(0,0);
if (aPresContext->IsScreen()) {
extraMargin.SizeTo(extraGap, extraGap, extraGap, extraGap);
nscoord fourPixels = nsPresContext::CSSPixelsToAppUnits(4);
shadowSize.SizeTo(fourPixels, fourPixels);
}
mPageData->mShadowSize = shadowSize;
mPageData->mExtraMargin = extraMargin;
mPageData->mExtraMargin = extraMargin;
const nscoord x = deadSpaceGap;
nscoord y = deadSpaceGap;// Running y-offset for each page
// We use the CSS "margin" property on the -moz-page pseudoelement
// to determine the space between each page in print preview.
// Keep a running y-offset for each page.
nscoord y = 0;
nscoord maxXMost = 0;
nsSize availSize(pageSize.width + shadowSize.width + extraMargin.LeftRight(),
pageSize.height + shadowSize.height +
extraMargin.TopBottom());
nsSize availSize(pageSize.width + extraMargin.LeftRight(),
pageSize.height + extraMargin.TopBottom());
// Tile the pages vertically
nsHTMLReflowMetrics kidSize;
@ -275,15 +278,19 @@ nsSimplePageSequenceFrame::Reflow(nsPresContext* aPresContext,
//kidReflowState.SetComputedHeight(kidReflowState.availableHeight);
PR_PL(("AV W: %d H: %d\n", kidReflowState.availableWidth, kidReflowState.availableHeight));
nsMargin pageCSSMargin = kidReflowState.mComputedMargin;
y += pageCSSMargin.top;
const nscoord x = pageCSSMargin.left;
// Place and size the page. If the page is narrower than our
// max width then center it horizontally
ReflowChild(kidFrame, aPresContext, kidSize, kidReflowState, x, y, 0, status);
FinishReflowChild(kidFrame, aPresContext, nsnull, kidSize, x, y, 0);
y += kidSize.height;
y += pageCSSMargin.bottom;
// Leave a slight gap between the pages
y += deadSpaceGap;
maxXMost = NS_MAX(maxXMost, x + kidSize.width + pageCSSMargin.right);
// Is the page complete?
nsIFrame* kidNextInFlow = kidFrame->GetNextInFlow();
@ -344,18 +351,16 @@ nsSimplePageSequenceFrame::Reflow(nsPresContext* aPresContext,
}
// Return our desired size
// Adjustr the reflow size by PrintPreviewScale so the scrollbars end up the
// Adjust the reflow size by PrintPreviewScale so the scrollbars end up the
// correct size
nscoord w = (x + availSize.width + deadSpaceGap);
aDesiredSize.height = y * PresContext()->GetPrintPreviewScale(); // includes page heights and dead space
aDesiredSize.width = w * PresContext()->GetPrintPreviewScale();
SetDesiredSize(aDesiredSize, aReflowState, maxXMost, y);
aDesiredSize.SetOverflowAreasToDesiredBounds();
FinishAndStoreOverflow(&aDesiredSize);
// cache the size so we can set the desired size
// for the other reflows that happen
mSize.width = w;
mSize.width = maxXMost;
mSize.height = y;
NS_FRAME_TRACE_REFLOW_OUT("nsSimplePageSequeceFrame::Reflow", aStatus);

15
layout/generic/nsSimplePageSequence.h
View File

@ -61,8 +61,6 @@ public:
nsSize mReflowSize;
nsMargin mReflowMargin;
// shadow of page in PrintPreview; drawn around bottom and right edges
nsSize mShadowSize;
// Extra Margin between the device area and the edge of the page;
// approximates unprintable area
nsMargin mExtraMargin;
@ -101,9 +99,6 @@ public:
NS_IMETHOD SetPageNo(PRInt32 aPageNo) { return NS_OK;}
NS_IMETHOD SetSelectionHeight(nscoord aYOffset, nscoord aHeight) { mYSelOffset = aYOffset; mSelectionHeight = aHeight; return NS_OK; }
NS_IMETHOD SetTotalNumPages(PRInt32 aTotal) { mTotalPages = aTotal; return NS_OK; }
// Gets the dead space (the gray area) around the Print Preview Page
NS_IMETHOD GetDeadSpaceValue(nscoord* aValue) { *aValue = NS_INCHES_TO_INT_TWIPS(0.25); return NS_OK; }
// For Shrink To Fit
NS_IMETHOD GetSTFPercent(float& aSTFPercent);
@ -120,6 +115,10 @@ public:
NS_IMETHOD GetPrintRange(PRInt32* aFromPage, PRInt32* aToPage);
NS_IMETHOD DoPageEnd();
// We must allow Print Preview UI to have a background, no matter what the
// user's settings
virtual PRBool HonorPrintBackgroundSettings() { return PR_FALSE; }
/**
* Get the "type" of the frame
*
@ -145,6 +144,12 @@ protected:
void SetDateTimeStr(PRUnichar * aDateTimeStr);
void SetPageNumberFormat(PRUnichar * aFormatStr, PRBool aForPageNumOnly);
// Sets the frame desired size to the size of the viewport, or the given
// nscoords, whichever is larger. Print scaling is applied in this function.
void SetDesiredSize(nsHTMLReflowMetrics& aDesiredSize,
const nsHTMLReflowState& aReflowState,
nscoord aWidth, nscoord aHeight);
nsMargin mMargin;
// I18N date formatter service which we'll want to cache locally.

16
layout/style/ua.css
View File

@ -185,9 +185,21 @@
height: 100%;
}
*|*::-moz-page, *|*::-moz-page-sequence, *|*::-moz-scrolled-page-sequence {
*|*::-moz-page-sequence, *|*::-moz-scrolled-page-sequence {
/* Collection of pages in print/print preview. Visual styles may only appear
* in print preview. */
display: block !important;
background: transparent;
background: -moz-linear-gradient(top, #606060, #8a8a8a) fixed;
height: 100%;
}
*|*::-moz-page {
/* Individual page in print/print preview. Visual styles may only appear
* in print preview. */
display: block !important;
background: white;
box-shadow: 5px 5px 8px #202020;
margin: 0.125in 0.25in;
}
*|*::-moz-pagecontent {