2011-05-10 16:59:07 +04:00
|
|
|
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
|
|
/* ***** BEGIN LICENSE BLOCK *****
|
|
|
|
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
|
|
|
|
*
|
|
|
|
* The contents of this file are subject to the Mozilla 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/MPL/
|
|
|
|
*
|
|
|
|
* 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 Mozilla Foundation
|
|
|
|
* Portions created by the Initial Developer are Copyright (C) 2010
|
|
|
|
* the Initial Developer. All Rights Reserved.
|
|
|
|
*
|
|
|
|
* Contributor(s):
|
|
|
|
* Mounir Lamouri <mounir.lamouri@mozilla.com> (original author)
|
|
|
|
*
|
|
|
|
* Alternatively, the contents of this file may be used under the terms of
|
|
|
|
* either of 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 MPL, 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 MPL, the GPL or the LGPL.
|
|
|
|
*
|
|
|
|
* ***** END LICENSE BLOCK ***** */
|
|
|
|
|
|
|
|
#include "nsProgressFrame.h"
|
|
|
|
|
|
|
|
#include "nsIDOMHTMLProgressElement.h"
|
|
|
|
#include "nsIContent.h"
|
|
|
|
#include "prtypes.h"
|
|
|
|
#include "nsPresContext.h"
|
|
|
|
#include "nsGkAtoms.h"
|
|
|
|
#include "nsINameSpaceManager.h"
|
|
|
|
#include "nsIDocument.h"
|
|
|
|
#include "nsIPresShell.h"
|
|
|
|
#include "nsNodeInfoManager.h"
|
|
|
|
#include "nsINodeInfo.h"
|
|
|
|
#include "nsContentCreatorFunctions.h"
|
|
|
|
#include "nsContentUtils.h"
|
|
|
|
#include "nsFormControlFrame.h"
|
|
|
|
#include "nsFontMetrics.h"
|
2011-07-20 23:18:54 +04:00
|
|
|
#include "mozilla/dom/Element.h"
|
2011-05-10 16:59:07 +04:00
|
|
|
|
|
|
|
|
|
|
|
nsIFrame*
|
|
|
|
NS_NewProgressFrame(nsIPresShell* aPresShell, nsStyleContext* aContext)
|
|
|
|
{
|
|
|
|
return new (aPresShell) nsProgressFrame(aContext);
|
|
|
|
}
|
|
|
|
|
|
|
|
NS_IMPL_FRAMEARENA_HELPERS(nsProgressFrame)
|
|
|
|
|
|
|
|
nsProgressFrame::nsProgressFrame(nsStyleContext* aContext)
|
|
|
|
: nsHTMLContainerFrame(aContext)
|
|
|
|
, mBarDiv(nsnull)
|
|
|
|
{
|
|
|
|
}
|
|
|
|
|
|
|
|
nsProgressFrame::~nsProgressFrame()
|
|
|
|
{
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
nsProgressFrame::DestroyFrom(nsIFrame* aDestructRoot)
|
|
|
|
{
|
|
|
|
NS_ASSERTION(!GetPrevContinuation(),
|
|
|
|
"nsProgressFrame should not have continuations; if it does we "
|
|
|
|
"need to call RegUnregAccessKey only for the first.");
|
|
|
|
nsFormControlFrame::RegUnRegAccessKey(static_cast<nsIFrame*>(this), PR_FALSE);
|
|
|
|
nsContentUtils::DestroyAnonymousContent(&mBarDiv);
|
|
|
|
nsHTMLContainerFrame::DestroyFrom(aDestructRoot);
|
|
|
|
}
|
|
|
|
|
|
|
|
nsresult
|
|
|
|
nsProgressFrame::CreateAnonymousContent(nsTArray<ContentInfo>& aElements)
|
|
|
|
{
|
|
|
|
// Get the NodeInfoManager and tag necessary to create the progress bar div.
|
|
|
|
nsCOMPtr<nsIDocument> doc = mContent->GetDocument();
|
|
|
|
|
|
|
|
nsCOMPtr<nsINodeInfo> nodeInfo;
|
|
|
|
nodeInfo = doc->NodeInfoManager()->GetNodeInfo(nsGkAtoms::div, nsnull,
|
2011-06-14 11:56:49 +04:00
|
|
|
kNameSpaceID_XHTML,
|
|
|
|
nsIDOMNode::ELEMENT_NODE);
|
2011-05-10 16:59:07 +04:00
|
|
|
NS_ENSURE_TRUE(nodeInfo, NS_ERROR_OUT_OF_MEMORY);
|
|
|
|
|
|
|
|
// Create the div.
|
|
|
|
nsresult rv = NS_NewHTMLElement(getter_AddRefs(mBarDiv), nodeInfo.forget(),
|
|
|
|
mozilla::dom::NOT_FROM_PARSER);
|
|
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
|
2011-05-09 20:42:58 +04:00
|
|
|
// Associate ::-moz-progress-bar pseudo-element to the anonymous child.
|
|
|
|
nsCSSPseudoElements::Type pseudoType = nsCSSPseudoElements::ePseudo_mozProgressBar;
|
|
|
|
nsRefPtr<nsStyleContext> newStyleContext = PresContext()->StyleSet()->
|
|
|
|
ResolvePseudoElementStyle(mContent->AsElement(), pseudoType,
|
|
|
|
GetStyleContext());
|
|
|
|
|
|
|
|
if (!aElements.AppendElement(ContentInfo(mBarDiv, newStyleContext))) {
|
2011-05-10 16:59:07 +04:00
|
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
|
|
}
|
|
|
|
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
nsProgressFrame::AppendAnonymousContentTo(nsBaseContentList& aElements,
|
|
|
|
PRUint32 aFilter)
|
|
|
|
{
|
|
|
|
aElements.MaybeAppendElement(mBarDiv);
|
|
|
|
}
|
|
|
|
|
|
|
|
NS_QUERYFRAME_HEAD(nsProgressFrame)
|
2011-05-06 14:00:30 +04:00
|
|
|
NS_QUERYFRAME_ENTRY(nsProgressFrame)
|
2011-05-10 16:59:07 +04:00
|
|
|
NS_QUERYFRAME_ENTRY(nsIAnonymousContentCreator)
|
|
|
|
NS_QUERYFRAME_TAIL_INHERITING(nsHTMLContainerFrame)
|
|
|
|
|
|
|
|
|
|
|
|
NS_IMETHODIMP nsProgressFrame::Reflow(nsPresContext* aPresContext,
|
|
|
|
nsHTMLReflowMetrics& aDesiredSize,
|
|
|
|
const nsHTMLReflowState& aReflowState,
|
|
|
|
nsReflowStatus& aStatus)
|
|
|
|
{
|
|
|
|
DO_GLOBAL_REFLOW_COUNT("nsProgressFrame");
|
|
|
|
DISPLAY_REFLOW(aPresContext, this, aReflowState, aDesiredSize, aStatus);
|
|
|
|
|
|
|
|
NS_ASSERTION(mBarDiv, "Progress bar div must exist!");
|
|
|
|
NS_ASSERTION(!GetPrevContinuation(),
|
|
|
|
"nsProgressFrame should not have continuations; if it does we "
|
|
|
|
"need to call RegUnregAccessKey only for the first.");
|
|
|
|
|
|
|
|
if (mState & NS_FRAME_FIRST_REFLOW) {
|
|
|
|
nsFormControlFrame::RegUnRegAccessKey(this, PR_TRUE);
|
|
|
|
}
|
|
|
|
|
|
|
|
nsIFrame* barFrame = mBarDiv->GetPrimaryFrame();
|
|
|
|
NS_ASSERTION(barFrame, "The progress frame should have a child with a frame!");
|
|
|
|
|
|
|
|
ReflowBarFrame(barFrame, aPresContext, aReflowState, aStatus);
|
|
|
|
|
|
|
|
aDesiredSize.width = aReflowState.ComputedWidth() +
|
|
|
|
aReflowState.mComputedBorderPadding.LeftRight();
|
|
|
|
aDesiredSize.height = aReflowState.ComputedHeight() +
|
|
|
|
aReflowState.mComputedBorderPadding.TopBottom();
|
|
|
|
aDesiredSize.height = NS_CSS_MINMAX(aDesiredSize.height,
|
|
|
|
aReflowState.mComputedMinHeight,
|
|
|
|
aReflowState.mComputedMaxHeight);
|
|
|
|
|
|
|
|
aDesiredSize.SetOverflowAreasToDesiredBounds();
|
|
|
|
ConsiderChildOverflow(aDesiredSize.mOverflowAreas, barFrame);
|
|
|
|
FinishAndStoreOverflow(&aDesiredSize);
|
|
|
|
|
|
|
|
aStatus = NS_FRAME_COMPLETE;
|
|
|
|
|
|
|
|
NS_FRAME_SET_TRUNCATION(aStatus, aReflowState, aDesiredSize);
|
|
|
|
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
nsProgressFrame::ReflowBarFrame(nsIFrame* aBarFrame,
|
|
|
|
nsPresContext* aPresContext,
|
|
|
|
const nsHTMLReflowState& aReflowState,
|
|
|
|
nsReflowStatus& aStatus)
|
|
|
|
{
|
2011-05-16 14:56:06 +04:00
|
|
|
bool vertical = GetStyleDisplay()->mOrient == NS_STYLE_ORIENT_VERTICAL;
|
2011-05-10 16:59:07 +04:00
|
|
|
nsHTMLReflowState reflowState(aPresContext, aReflowState, aBarFrame,
|
|
|
|
nsSize(aReflowState.ComputedWidth(),
|
|
|
|
NS_UNCONSTRAINEDSIZE));
|
2011-05-16 14:56:06 +04:00
|
|
|
nscoord size = vertical ? aReflowState.ComputedHeight()
|
|
|
|
: aReflowState.ComputedWidth();
|
2011-05-10 16:59:07 +04:00
|
|
|
nscoord xoffset = aReflowState.mComputedBorderPadding.left;
|
|
|
|
nscoord yoffset = aReflowState.mComputedBorderPadding.top;
|
|
|
|
|
|
|
|
double position;
|
|
|
|
nsCOMPtr<nsIDOMHTMLProgressElement> progressElement =
|
|
|
|
do_QueryInterface(mContent);
|
|
|
|
progressElement->GetPosition(&position);
|
|
|
|
|
2011-05-16 14:56:06 +04:00
|
|
|
// Force the bar's size to match the current progress.
|
|
|
|
// When indeterminate, the progress' size will be 100%.
|
2011-05-10 16:59:07 +04:00
|
|
|
if (position >= 0.0) {
|
2011-05-16 14:56:06 +04:00
|
|
|
size *= position;
|
2011-05-10 16:59:07 +04:00
|
|
|
}
|
|
|
|
|
2011-05-16 14:56:06 +04:00
|
|
|
if (!vertical && GetStyleVisibility()->mDirection == NS_STYLE_DIRECTION_RTL) {
|
|
|
|
xoffset += aReflowState.ComputedWidth() - size;
|
2011-05-10 16:59:07 +04:00
|
|
|
}
|
|
|
|
|
2011-05-16 14:56:06 +04:00
|
|
|
// The bar size is fixed in these cases:
|
|
|
|
// - the progress position is determined: the bar size is fixed according
|
2011-05-06 13:56:47 +04:00
|
|
|
// to it's value.
|
2011-05-06 14:00:30 +04:00
|
|
|
// - the progress position is indeterminate and the bar appearance should be
|
2011-05-16 14:56:06 +04:00
|
|
|
// shown as native: the bar size is forced to 100%.
|
2011-05-06 13:56:47 +04:00
|
|
|
// Otherwise (when the progress is indeterminate and the bar appearance isn't
|
2011-05-16 14:56:06 +04:00
|
|
|
// native), the bar size isn't fixed and can be set by the author.
|
2011-05-06 14:00:30 +04:00
|
|
|
if (position != -1 || ShouldUseNativeStyle()) {
|
2011-05-16 14:56:06 +04:00
|
|
|
if (vertical) {
|
|
|
|
// We want the bar to begin at the bottom.
|
|
|
|
yoffset += aReflowState.ComputedHeight() - size;
|
|
|
|
|
|
|
|
size -= reflowState.mComputedMargin.TopBottom() +
|
|
|
|
reflowState.mComputedBorderPadding.TopBottom();
|
|
|
|
size = NS_MAX(size, 0);
|
|
|
|
reflowState.SetComputedHeight(size);
|
|
|
|
} else {
|
|
|
|
size -= reflowState.mComputedMargin.LeftRight() +
|
|
|
|
reflowState.mComputedBorderPadding.LeftRight();
|
|
|
|
size = NS_MAX(size, 0);
|
|
|
|
reflowState.SetComputedWidth(size);
|
|
|
|
}
|
|
|
|
} else if (vertical) {
|
|
|
|
// For vertical progress bars, we need to position the bar specificly when
|
|
|
|
// the width isn't constrained (position == -1 and !ShouldUseNativeStyle())
|
|
|
|
// because aReflowState.ComputedHeight() - size == 0.
|
|
|
|
yoffset += aReflowState.ComputedHeight() - reflowState.ComputedHeight();
|
2011-05-06 13:56:47 +04:00
|
|
|
}
|
2011-05-10 16:59:07 +04:00
|
|
|
|
|
|
|
xoffset += reflowState.mComputedMargin.left;
|
|
|
|
yoffset += reflowState.mComputedMargin.top;
|
|
|
|
|
|
|
|
nsHTMLReflowMetrics barDesiredSize;
|
|
|
|
ReflowChild(aBarFrame, aPresContext, barDesiredSize, reflowState, xoffset,
|
|
|
|
yoffset, 0, aStatus);
|
|
|
|
FinishReflowChild(aBarFrame, aPresContext, &reflowState, barDesiredSize,
|
|
|
|
xoffset, yoffset, 0);
|
|
|
|
}
|
|
|
|
|
|
|
|
NS_IMETHODIMP
|
|
|
|
nsProgressFrame::AttributeChanged(PRInt32 aNameSpaceID,
|
|
|
|
nsIAtom* aAttribute,
|
|
|
|
PRInt32 aModType)
|
|
|
|
{
|
|
|
|
NS_ASSERTION(mBarDiv, "Progress bar div must exist!");
|
|
|
|
|
|
|
|
if (aNameSpaceID == kNameSpaceID_None &&
|
|
|
|
(aAttribute == nsGkAtoms::value || aAttribute == nsGkAtoms::max)) {
|
|
|
|
nsIFrame* barFrame = mBarDiv->GetPrimaryFrame();
|
|
|
|
NS_ASSERTION(barFrame, "The progress frame should have a child with a frame!");
|
|
|
|
PresContext()->PresShell()->FrameNeedsReflow(barFrame, nsIPresShell::eResize,
|
|
|
|
NS_FRAME_IS_DIRTY);
|
2011-08-22 17:00:24 +04:00
|
|
|
Invalidate(GetVisualOverflowRectRelativeToSelf());
|
2011-05-10 16:59:07 +04:00
|
|
|
}
|
|
|
|
|
|
|
|
return nsHTMLContainerFrame::AttributeChanged(aNameSpaceID, aAttribute,
|
|
|
|
aModType);
|
|
|
|
}
|
|
|
|
|
|
|
|
nsSize
|
|
|
|
nsProgressFrame::ComputeAutoSize(nsRenderingContext *aRenderingContext,
|
|
|
|
nsSize aCBSize, nscoord aAvailableWidth,
|
|
|
|
nsSize aMargin, nsSize aBorder,
|
|
|
|
nsSize aPadding, PRBool aShrinkWrap)
|
|
|
|
{
|
|
|
|
nsRefPtr<nsFontMetrics> fontMet;
|
|
|
|
NS_ENSURE_SUCCESS(nsLayoutUtils::GetFontMetricsForFrame(this,
|
|
|
|
getter_AddRefs(fontMet)),
|
|
|
|
nsSize(0, 0));
|
|
|
|
|
|
|
|
nsSize autoSize;
|
|
|
|
autoSize.height = autoSize.width = fontMet->Font().size; // 1em
|
2011-06-01 14:27:46 +04:00
|
|
|
|
|
|
|
if (GetStyleDisplay()->mOrient == NS_STYLE_ORIENT_VERTICAL) {
|
|
|
|
autoSize.height *= 10; // 10em
|
|
|
|
} else {
|
|
|
|
autoSize.width *= 10; // 10em
|
|
|
|
}
|
2011-05-10 16:59:07 +04:00
|
|
|
|
|
|
|
return autoSize;
|
|
|
|
}
|
|
|
|
|
2011-08-23 02:30:33 +04:00
|
|
|
nscoord
|
|
|
|
nsProgressFrame::GetMinWidth(nsRenderingContext *aRenderingContext)
|
|
|
|
{
|
|
|
|
nsRefPtr<nsFontMetrics> fontMet;
|
|
|
|
NS_ENSURE_SUCCESS(
|
|
|
|
nsLayoutUtils::GetFontMetricsForFrame(this, getter_AddRefs(fontMet)), 0);
|
|
|
|
|
|
|
|
nscoord minWidth = fontMet->Font().size; // 1em
|
|
|
|
|
|
|
|
if (GetStyleDisplay()->mOrient == NS_STYLE_ORIENT_HORIZONTAL) {
|
|
|
|
minWidth *= 10; // 10em
|
|
|
|
}
|
|
|
|
|
|
|
|
return minWidth;
|
|
|
|
}
|
|
|
|
|
|
|
|
nscoord
|
|
|
|
nsProgressFrame::GetPrefWidth(nsRenderingContext *aRenderingContext)
|
|
|
|
{
|
|
|
|
return GetMinWidth(aRenderingContext);
|
|
|
|
}
|
|
|
|
|
2011-05-06 14:00:30 +04:00
|
|
|
bool
|
|
|
|
nsProgressFrame::ShouldUseNativeStyle() const
|
|
|
|
{
|
|
|
|
// Use the native style if these conditions are satisfied:
|
|
|
|
// - both frames use the native appearance;
|
|
|
|
// - neither frame has author specified rules setting the border or the
|
|
|
|
// background.
|
|
|
|
return GetStyleDisplay()->mAppearance == NS_THEME_PROGRESSBAR &&
|
|
|
|
mBarDiv->GetPrimaryFrame()->GetStyleDisplay()->mAppearance == NS_THEME_PROGRESSBAR_CHUNK &&
|
|
|
|
!PresContext()->HasAuthorSpecifiedRules(const_cast<nsProgressFrame*>(this),
|
|
|
|
NS_AUTHOR_SPECIFIED_BORDER | NS_AUTHOR_SPECIFIED_BACKGROUND) &&
|
|
|
|
!PresContext()->HasAuthorSpecifiedRules(mBarDiv->GetPrimaryFrame(),
|
|
|
|
NS_AUTHOR_SPECIFIED_BORDER | NS_AUTHOR_SPECIFIED_BACKGROUND);
|
|
|
|
}
|
|
|
|
|