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Bug 814995. r=roc

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This commit is contained in:
Mats Palmgren 2012-12-01 03:28:02 +01:00
parent b4218c43ec
commit 15743f0b0f
2 changed files with 35 additions and 119 deletions
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138
layout/generic/nsFrameSetFrame.cpp
View File

@ -42,6 +42,7 @@
#include "nsHTMLFrameSetElement.h"
#include "mozilla/LookAndFeel.h"
#include "mozilla/Likely.h"
#include "nsSubDocumentFrame.h"
using namespace mozilla;
@ -193,7 +194,6 @@ nsHTMLFramesetFrame::nsHTMLFramesetFrame(nsStyleContext* aContext)
mEdgeColors.Set(NO_COLOR);
mVerBorders = nullptr;
mHorBorders = nullptr;
mChildTypes = nullptr;
mChildFrameborder = nullptr;
mChildBorderColors = nullptr;
mForceFrameResizability = false;
@ -205,7 +205,6 @@ nsHTMLFramesetFrame::~nsHTMLFramesetFrame()
delete[] mColSizes;
delete[] mVerBorders;
delete[] mHorBorders;
delete[] mChildTypes;
delete[] mChildFrameborder;
delete[] mChildBorderColors;
@ -247,10 +246,6 @@ nsHTMLFramesetFrame::FrameResizePrefCallback(const char* aPref, void* aClosure)
return 0;
}
#define FRAMESET 0
#define FRAME 1
#define BLANK 2
NS_IMETHODIMP
nsHTMLFramesetFrame::Init(nsIContent* aContent,
nsIFrame* aParent,
@ -260,7 +255,7 @@ nsHTMLFramesetFrame::Init(nsIContent* aContent,
// find the highest ancestor that is a frameset
nsresult rv = NS_OK;
nsIFrame* parentFrame = GetParent();
mTopLevelFrameset = (nsHTMLFramesetFrame*)this;
mTopLevelFrameset = this;
while (parentFrame) {
nsHTMLFramesetFrame* frameset = do_QueryFrame(parentFrame);
if (frameset) {
@ -320,10 +315,9 @@ nsHTMLFramesetFrame::Init(nsIContent* aContent,
< UINT_MAX / sizeof(nsFrameborder) / NS_MAX_FRAMESET_SPEC_COUNT);
PR_STATIC_ASSERT(NS_MAX_FRAMESET_SPEC_COUNT
< UINT_MAX / sizeof(nsBorderColor) / NS_MAX_FRAMESET_SPEC_COUNT);
mChildTypes = new int32_t[numCells];
mChildFrameborder = new nsFrameborder[numCells];
mChildBorderColors = new nsBorderColor[numCells];
if (!mChildTypes || !mChildFrameborder || !mChildBorderColors)
if (!mChildFrameborder || !mChildBorderColors)
return NS_ERROR_OUT_OF_MEMORY;
// create the children frames; skip content which isn't <frameset> or <frame>
@ -371,7 +365,6 @@ nsHTMLFramesetFrame::Init(nsIContent* aContent,
if (MOZ_UNLIKELY(!frame))
return NS_ERROR_OUT_OF_MEMORY;
mChildTypes[mChildCount] = FRAMESET;
nsHTMLFramesetFrame* childFrame = (nsHTMLFramesetFrame*)frame;
childFrame->SetParentFrameborder(frameborder);
childFrame->SetParentBorderWidth(borderWidth);
@ -394,8 +387,6 @@ nsHTMLFramesetFrame::Init(nsIContent* aContent,
return result;
}
mChildTypes[mChildCount] = FRAME;
mChildFrameborder[mChildCount] = GetFrameBorder(child);
mChildBorderColors[mChildCount].Set(GetBorderColor(child));
}
@ -432,7 +423,6 @@ nsHTMLFramesetFrame::Init(nsIContent* aContent,
mFrames.AppendFrame(nullptr, blankFrame);
mChildTypes[mChildCount] = BLANK;
mChildBorderColors[mChildCount].Set(NO_COLOR);
mChildCount++;
}
@ -675,7 +665,7 @@ nsHTMLFramesetFrame::GetDesiredSize(nsPresContext* aPresContext,
const nsHTMLReflowState& aReflowState,
nsHTMLReflowMetrics& aDesiredSize)
{
nsHTMLFramesetFrame* framesetParent = GetFramesetParent(this);
nsHTMLFramesetFrame* framesetParent = do_QueryFrame(GetParent());
if (nullptr == framesetParent) {
if (aPresContext->IsPaginated()) {
// XXX This needs to be changed when framesets paginate properly
@ -695,25 +685,6 @@ nsHTMLFramesetFrame::GetDesiredSize(nsPresContext* aPresContext,
}
}
nsHTMLFramesetFrame* nsHTMLFramesetFrame::GetFramesetParent(nsIFrame* aChild)
{
nsHTMLFramesetFrame* parent = nullptr;
nsIContent* content = aChild->GetContent();
if (content) {
nsCOMPtr<nsIContent> contentParent = content->GetParent();
if (contentParent && contentParent->IsHTML() &&
contentParent->Tag() == nsGkAtoms::frameset) {
nsIFrame* fptr = aChild->GetParent();
parent = (nsHTMLFramesetFrame*) fptr;
}
}
return parent;
}
// only valid for non border children
void nsHTMLFramesetFrame::GetSizeOfChildAt(int32_t aIndexInParent,
nsSize& aSize,
@ -1100,12 +1071,13 @@ nsHTMLFramesetFrame::Reflow(nsPresContext* aPresContext,
ReflowPlaceChild(child, aPresContext, aReflowState, offset, size, &cellIndex);
if (firstTime) {
int32_t childVis;
if (FRAMESET == mChildTypes[childX]) {
nsHTMLFramesetFrame* childFS = (nsHTMLFramesetFrame*)child;
childVis = childFS->mEdgeVisibility;
mChildBorderColors[childX] = childFS->mEdgeColors;
} else if (FRAME == mChildTypes[childX]) {
int32_t childVis;
nsHTMLFramesetFrame* framesetFrame = do_QueryFrame(child);
nsSubDocumentFrame* subdocFrame;
if (framesetFrame) {
childVis = framesetFrame->mEdgeVisibility;
mChildBorderColors[childX] = framesetFrame->mEdgeColors;
} else if ((subdocFrame = do_QueryFrame(child))) {
if (eFrameborder_Yes == mChildFrameborder[childX]) {
childVis = ALL_VIS;
} else if (eFrameborder_No == mChildFrameborder[childX]) {
@ -1114,6 +1086,8 @@ nsHTMLFramesetFrame::Reflow(nsPresContext* aPresContext,
childVis = (eFrameborder_No == frameborder) ? NONE_VIS : ALL_VIS;
}
} else { // blank
DebugOnly<nsHTMLFramesetBlankFrame*> blank;
MOZ_ASSERT(blank = do_QueryFrame(child), "unexpected child frame type");
childVis = NONE_VIS;
}
nsBorderColor childColors = mChildBorderColors[childX];
@ -1193,7 +1167,7 @@ nsHTMLFramesetFrame::Reflow(nsPresContext* aPresContext,
if (mForceFrameResizability) {
mVerBorders[verX]->mVisibilityOverride = true;
} else {
SetBorderResize(mChildTypes, mVerBorders[verX]);
SetBorderResize(mVerBorders[verX]);
}
childColor = (NO_COLOR == verBorderColors[verX]) ? borderColor : verBorderColors[verX];
mVerBorders[verX]->SetColor(childColor);
@ -1205,18 +1179,16 @@ nsHTMLFramesetFrame::Reflow(nsPresContext* aPresContext,
if (mForceFrameResizability) {
mHorBorders[horX]->mVisibilityOverride = true;
} else {
SetBorderResize(mChildTypes, mHorBorders[horX]);
SetBorderResize(mHorBorders[horX]);
}
childColor = (NO_COLOR == horBorderColors[horX]) ? borderColor : horBorderColors[horX];
mHorBorders[horX]->SetColor(childColor);
}
}
delete[] mChildTypes;
delete[] mChildFrameborder;
delete[] mChildBorderColors;
mChildTypes = nullptr;
mChildFrameborder = nullptr;
mChildBorderColors = nullptr;
}
@ -1251,17 +1223,6 @@ nsHTMLFramesetFrame::IsLeaf() const
return true;
}
bool
nsHTMLFramesetFrame::ChildIsFrameset(nsIFrame* aChild)
{
nsHTMLFramesetFrame* childFrame = do_QueryFrame(aChild);
if (childFrame) {
return true;
}
return false;
}
bool
nsHTMLFramesetFrame::CanResize(bool aVertical,
bool aLeft)
@ -1273,7 +1234,7 @@ nsHTMLFramesetFrame::CanResize(bool aVertical,
startX = (aLeft) ? 0 : mNumCols-1;
for (childX = startX; childX < mNonBorderChildCount; childX += mNumCols) {
child = mFrames.FrameAt(childX);
if (!CanChildResize(aVertical, aLeft, childX, ChildIsFrameset(child))) {
if (!CanChildResize(aVertical, aLeft, childX)) {
return false;
}
}
@ -1282,7 +1243,7 @@ nsHTMLFramesetFrame::CanResize(bool aVertical,
int32_t endX = startX + mNumCols;
for (childX = startX; childX < endX; childX++) {
child = mFrames.FrameAt(childX);
if (!CanChildResize(aVertical, aLeft, childX, ChildIsFrameset(child))) {
if (!CanChildResize(aVertical, aLeft, childX)) {
return false;
}
}
@ -1299,18 +1260,11 @@ nsHTMLFramesetFrame::GetNoResize(nsIFrame* aChildFrame)
}
bool
nsHTMLFramesetFrame::CanChildResize(bool aVertical,
bool aLeft,
int32_t aChildX,
bool aFrameset)
nsHTMLFramesetFrame::CanChildResize(bool aVertical, bool aLeft, int32_t aChildX)
{
nsIFrame* child = mFrames.FrameAt(aChildX);
if (aFrameset) {
NS_ASSERTION(ChildIsFrameset(child), "Child frame is not a frameset!");
return ((nsHTMLFramesetFrame*)child)->CanResize(aVertical, aLeft);
} else {
return !GetNoResize(child);
}
nsHTMLFramesetFrame* frameset = do_QueryFrame(child);
return frameset ? frameset->CanResize(aVertical, aLeft) : !GetNoResize(child);
}
// This calculates and sets the resizability of all border frames
@ -1323,35 +1277,8 @@ nsHTMLFramesetFrame::RecalculateBorderResize()
}
PR_STATIC_ASSERT(NS_MAX_FRAMESET_SPEC_COUNT < INT32_MAX / NS_MAX_FRAMESET_SPEC_COUNT);
int32_t numCells = mNumRows * mNumCols; // max number of cells
PR_STATIC_ASSERT(NS_MAX_FRAMESET_SPEC_COUNT
< UINT_MAX / sizeof(int32_t) / NS_MAX_FRAMESET_SPEC_COUNT);
nsAutoArrayPtr<int32_t> childTypes(new int32_t[numCells]);
if (MOZ_UNLIKELY(!childTypes)) {
return;
}
int32_t childTypeIndex = 0;
for (nsIContent *child = mContent->GetFirstChild(); child;
child = child->GetNextSibling()) {
if (child->IsHTML()) {
nsINodeInfo *ni = child->NodeInfo();
if (ni->Equals(nsGkAtoms::frameset)) {
childTypes[childTypeIndex++] = FRAMESET;
} else if (ni->Equals(nsGkAtoms::frame)) {
childTypes[childTypeIndex++] = FRAME;
}
// Don't overflow childTypes array
if (((int32_t)childTypeIndex) >= numCells) {
break;
}
}
}
for (; childTypeIndex < numCells; ++childTypeIndex) {
childTypes[childTypeIndex] = BLANK;
}
// set the visibility and mouse sensitivity of borders
int32_t verX;
for (verX = 0; verX < mNumCols-1; verX++) {
@ -1361,7 +1288,7 @@ nsHTMLFramesetFrame::RecalculateBorderResize()
mVerBorders[verX]->mVisibilityOverride = true;
} else {
mVerBorders[verX]->mVisibilityOverride = false;
SetBorderResize(childTypes, mVerBorders[verX]);
SetBorderResize(mVerBorders[verX]);
}
}
}
@ -1373,21 +1300,20 @@ nsHTMLFramesetFrame::RecalculateBorderResize()
mHorBorders[horX]->mVisibilityOverride = true;
} else {
mHorBorders[horX]->mVisibilityOverride = false;
SetBorderResize(childTypes, mHorBorders[horX]);
SetBorderResize(mHorBorders[horX]);
}
}
}
}
void
nsHTMLFramesetFrame::SetBorderResize(int32_t* aChildTypes,
nsHTMLFramesetBorderFrame* aBorderFrame)
nsHTMLFramesetFrame::SetBorderResize(nsHTMLFramesetBorderFrame* aBorderFrame)
{
if (aBorderFrame->mVertical) {
for (int rowX = 0; rowX < mNumRows; rowX++) {
int32_t childX = aBorderFrame->mPrevNeighbor + (rowX * mNumCols);
if (!CanChildResize(true, false, childX, (FRAMESET == aChildTypes[childX])) ||
!CanChildResize(true, true, childX+1,(FRAMESET == aChildTypes[childX+1]))) {
if (!CanChildResize(true, false, childX) ||
!CanChildResize(true, true, childX+1)) {
aBorderFrame->mCanResize = false;
}
}
@ -1395,13 +1321,13 @@ nsHTMLFramesetFrame::SetBorderResize(int32_t* aChildTypes,
int32_t childX = aBorderFrame->mPrevNeighbor * mNumCols;
int32_t endX = childX + mNumCols;
for (; childX < endX; childX++) {
if (!CanChildResize(false, false, childX, (FRAMESET == aChildTypes[childX]))) {
if (!CanChildResize(false, false, childX)) {
aBorderFrame->mCanResize = false;
}
}
endX = endX + mNumCols;
for (; childX < endX; childX++) {
if (!CanChildResize(false, true, childX, (FRAMESET == aChildTypes[childX]))) {
if (!CanChildResize(false, true, childX)) {
aBorderFrame->mCanResize = false;
}
}
@ -1726,11 +1652,11 @@ nsHTMLFramesetBorderFrame::HandleEvent(nsPresContext* aPresContext,
if (aEvent->eventStructType == NS_MOUSE_EVENT &&
aEvent->message == NS_MOUSE_BUTTON_DOWN &&
static_cast<nsMouseEvent*>(aEvent)->button == nsMouseEvent::eLeftButton) {
nsHTMLFramesetFrame* parentFrame;
nsIFrame* fptr = GetParent();
parentFrame = (nsHTMLFramesetFrame*) fptr;
parentFrame->StartMouseDrag(aPresContext, this, aEvent);
*aEventStatus = nsEventStatus_eConsumeNoDefault;
nsHTMLFramesetFrame* parentFrame = do_QueryFrame(GetParent());
if (parentFrame) {
parentFrame->StartMouseDrag(aPresContext, this, aEvent);
*aEventStatus = nsEventStatus_eConsumeNoDefault;
}
}
return NS_OK;
}

16
layout/generic/nsFrameSetFrame.h
View File

@ -93,8 +93,6 @@ public:
nsSize& aSize,
nsIntPoint& aCellIndex);
static nsHTMLFramesetFrame* GetFramesetParent(nsIFrame* aChild);
NS_IMETHOD HandleEvent(nsPresContext* aPresContext,
nsGUIEvent* aEvent,
nsEventStatus* aEventStatus) MOZ_OVERRIDE;
@ -189,18 +187,11 @@ protected:
nsSize& aSize,
nsIntPoint* aCellIndex = 0);
bool CanResize(bool aVertical,
bool aLeft);
bool CanResize(bool aVertical, bool aLeft);
bool CanChildResize(bool aVertical,
bool aLeft,
int32_t aChildX,
bool aFrameset);
bool CanChildResize(bool aVertical, bool aLeft, int32_t aChildX);
void SetBorderResize(int32_t* aChildTypes,
nsHTMLFramesetBorderFrame* aBorderFrame);
bool ChildIsFrameset(nsIFrame* aChild);
void SetBorderResize(nsHTMLFramesetBorderFrame* aBorderFrame);
static int FrameResizePrefCallback(const char* aPref, void* aClosure);
@ -210,7 +201,6 @@ protected:
nsHTMLFramesetFrame* mTopLevelFrameset;
nsHTMLFramesetBorderFrame** mVerBorders; // vertical borders
nsHTMLFramesetBorderFrame** mHorBorders; // horizontal borders
int32_t* mChildTypes; // frameset/frame distinction of children
nsFrameborder* mChildFrameborder; // the frameborder attr of children
nsBorderColor* mChildBorderColors;
nscoord* mRowSizes; // currently computed row sizes