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convert MOZ_OVERRIDE override
convert MOZ_FINAL final
185 lines
5.0 KiB
C++
185 lines
5.0 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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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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//
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// David Hyatt & Eric Vaughan
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// Netscape Communications
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//
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// See documentation in associated header file
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//
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#include "nsProgressMeterFrame.h"
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#include "nsCSSRendering.h"
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#include "nsIContent.h"
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#include "nsPresContext.h"
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#include "nsGkAtoms.h"
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#include "nsNameSpaceManager.h"
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#include "nsCOMPtr.h"
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#include "nsBoxLayoutState.h"
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#include "nsIReflowCallback.h"
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#include "nsContentUtils.h"
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#include "mozilla/Attributes.h"
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class nsReflowFrameRunnable : public nsRunnable
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{
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public:
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nsReflowFrameRunnable(nsIFrame* aFrame,
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nsIPresShell::IntrinsicDirty aIntrinsicDirty,
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nsFrameState aBitToAdd);
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NS_DECL_NSIRUNNABLE
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nsWeakFrame mWeakFrame;
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nsIPresShell::IntrinsicDirty mIntrinsicDirty;
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nsFrameState mBitToAdd;
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};
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nsReflowFrameRunnable::nsReflowFrameRunnable(nsIFrame* aFrame,
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nsIPresShell::IntrinsicDirty aIntrinsicDirty,
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nsFrameState aBitToAdd)
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: mWeakFrame(aFrame),
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mIntrinsicDirty(aIntrinsicDirty),
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mBitToAdd(aBitToAdd)
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{
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}
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NS_IMETHODIMP
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nsReflowFrameRunnable::Run()
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{
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if (mWeakFrame.IsAlive()) {
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mWeakFrame->PresContext()->PresShell()->
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FrameNeedsReflow(mWeakFrame, mIntrinsicDirty, mBitToAdd);
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}
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return NS_OK;
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}
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//
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// NS_NewToolbarFrame
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//
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// Creates a new Toolbar frame and returns it
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//
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nsIFrame*
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NS_NewProgressMeterFrame (nsIPresShell* aPresShell, nsStyleContext* aContext)
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{
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return new (aPresShell) nsProgressMeterFrame(aContext);
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}
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NS_IMPL_FRAMEARENA_HELPERS(nsProgressMeterFrame)
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//
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// nsProgressMeterFrame dstr
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//
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// Cleanup, if necessary
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//
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nsProgressMeterFrame :: ~nsProgressMeterFrame ( )
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{
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}
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class nsAsyncProgressMeterInit final : public nsIReflowCallback
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{
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public:
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explicit nsAsyncProgressMeterInit(nsIFrame* aFrame) : mWeakFrame(aFrame) {}
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virtual bool ReflowFinished() override
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{
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bool shouldFlush = false;
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nsIFrame* frame = mWeakFrame.GetFrame();
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if (frame) {
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nsAutoScriptBlocker scriptBlocker;
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frame->AttributeChanged(kNameSpaceID_None, nsGkAtoms::mode, 0);
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shouldFlush = true;
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}
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delete this;
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return shouldFlush;
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}
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virtual void ReflowCallbackCanceled() override
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{
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delete this;
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}
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nsWeakFrame mWeakFrame;
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};
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NS_IMETHODIMP
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nsProgressMeterFrame::DoLayout(nsBoxLayoutState& aState)
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{
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if (mNeedsReflowCallback) {
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nsIReflowCallback* cb = new nsAsyncProgressMeterInit(this);
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if (cb) {
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PresContext()->PresShell()->PostReflowCallback(cb);
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}
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mNeedsReflowCallback = false;
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}
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return nsBoxFrame::DoLayout(aState);
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}
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nsresult
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nsProgressMeterFrame::AttributeChanged(int32_t aNameSpaceID,
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nsIAtom* aAttribute,
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int32_t aModType)
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{
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NS_ASSERTION(!nsContentUtils::IsSafeToRunScript(),
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"Scripts not blocked in nsProgressMeterFrame::AttributeChanged!");
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nsresult rv = nsBoxFrame::AttributeChanged(aNameSpaceID, aAttribute,
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aModType);
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if (NS_OK != rv) {
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return rv;
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}
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// did the progress change?
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bool undetermined = mContent->AttrValueIs(kNameSpaceID_None, nsGkAtoms::mode,
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nsGkAtoms::undetermined, eCaseMatters);
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if (nsGkAtoms::mode == aAttribute ||
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(!undetermined &&
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(nsGkAtoms::value == aAttribute || nsGkAtoms::max == aAttribute))) {
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nsIFrame* barChild = GetFirstPrincipalChild();
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if (!barChild) return NS_OK;
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nsIFrame* remainderChild = barChild->GetNextSibling();
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if (!remainderChild) return NS_OK;
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nsCOMPtr<nsIContent> remainderContent = remainderChild->GetContent();
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if (!remainderContent) return NS_OK;
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int32_t flex = 1, maxFlex = 1;
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if (!undetermined) {
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nsAutoString value, maxValue;
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mContent->GetAttr(kNameSpaceID_None, nsGkAtoms::value, value);
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mContent->GetAttr(kNameSpaceID_None, nsGkAtoms::max, maxValue);
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nsresult error;
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flex = value.ToInteger(&error);
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maxFlex = maxValue.ToInteger(&error);
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if (NS_FAILED(error) || maxValue.IsEmpty()) {
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maxFlex = 100;
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}
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if (maxFlex < 1) {
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maxFlex = 1;
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}
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if (flex < 0) {
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flex = 0;
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}
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if (flex > maxFlex) {
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flex = maxFlex;
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}
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}
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nsContentUtils::AddScriptRunner(new nsSetAttrRunnable(
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barChild->GetContent(), nsGkAtoms::flex, flex));
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nsContentUtils::AddScriptRunner(new nsSetAttrRunnable(
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remainderContent, nsGkAtoms::flex, maxFlex - flex));
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nsContentUtils::AddScriptRunner(new nsReflowFrameRunnable(
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this, nsIPresShell::eTreeChange, NS_FRAME_IS_DIRTY));
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}
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return NS_OK;
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}
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#ifdef DEBUG_FRAME_DUMP
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nsresult
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nsProgressMeterFrame::GetFrameName(nsAString& aResult) const
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{
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return MakeFrameName(NS_LITERAL_STRING("ProgressMeter"), aResult);
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}
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#endif
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