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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
/*
* implementation of interface that allows layout-debug extension access
* to some internals of layout
*/
#include "nsILayoutDebugger.h"
#include "nsFrame.h"
#include "nsDisplayList.h"
#include "FrameLayerBuilder.h"
#include <stdio.h>
using namespace mozilla;
using namespace mozilla::layers;
#ifdef DEBUG
class nsLayoutDebugger : public nsILayoutDebugger {
public:
nsLayoutDebugger();
virtual ~nsLayoutDebugger();
NS_DECL_ISUPPORTS
NS_IMETHOD SetShowFrameBorders(bool aEnable);
NS_IMETHOD GetShowFrameBorders(bool* aResult);
NS_IMETHOD SetShowEventTargetFrameBorder(bool aEnable);
NS_IMETHOD GetShowEventTargetFrameBorder(bool* aResult);
NS_IMETHOD GetContentSize(nsIDocument* aDocument,
int32_t* aSizeInBytesResult);
NS_IMETHOD GetFrameSize(nsIPresShell* aPresentation,
int32_t* aSizeInBytesResult);
NS_IMETHOD GetStyleSize(nsIPresShell* aPresentation,
int32_t* aSizeInBytesResult);
};
nsresult
NS_NewLayoutDebugger(nsILayoutDebugger** aResult)
{
NS_PRECONDITION(aResult, "null OUT ptr");
if (!aResult) {
return NS_ERROR_NULL_POINTER;
}
nsLayoutDebugger* it = new nsLayoutDebugger();
return it->QueryInterface(NS_GET_IID(nsILayoutDebugger), (void**)aResult);
}
nsLayoutDebugger::nsLayoutDebugger()
{
}
nsLayoutDebugger::~nsLayoutDebugger()
{
}
NS_IMPL_ISUPPORTS1(nsLayoutDebugger, nsILayoutDebugger)
NS_IMETHODIMP
nsLayoutDebugger::SetShowFrameBorders(bool aEnable)
{
nsFrame::ShowFrameBorders(aEnable);
return NS_OK;
}
NS_IMETHODIMP
nsLayoutDebugger::GetShowFrameBorders(bool* aResult)
{
*aResult = nsFrame::GetShowFrameBorders();
return NS_OK;
}
NS_IMETHODIMP
nsLayoutDebugger::SetShowEventTargetFrameBorder(bool aEnable)
{
nsFrame::ShowEventTargetFrameBorder(aEnable);
return NS_OK;
}
NS_IMETHODIMP
nsLayoutDebugger::GetShowEventTargetFrameBorder(bool* aResult)
{
*aResult = nsFrame::GetShowEventTargetFrameBorder();
return NS_OK;
}
NS_IMETHODIMP
nsLayoutDebugger::GetContentSize(nsIDocument* aDocument,
int32_t* aSizeInBytesResult)
{
*aSizeInBytesResult = 0;
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsLayoutDebugger::GetFrameSize(nsIPresShell* aPresentation,
int32_t* aSizeInBytesResult)
{
*aSizeInBytesResult = 0;
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsLayoutDebugger::GetStyleSize(nsIPresShell* aPresentation,
int32_t* aSizeInBytesResult)
{
*aSizeInBytesResult = 0;
return NS_ERROR_FAILURE;
}
#endif
#ifdef MOZ_DUMP_PAINTING
static int sPrintDisplayListIndent = 0;
static void
PrintDisplayListTo(nsDisplayListBuilder* aBuilder, const nsDisplayList& aList,
FILE* aOutput, bool aDumpHtml)
{
if (aDumpHtml) {
fprintf(aOutput, "<ul>");
}
for (nsDisplayItem* i = aList.GetBottom(); i != nullptr; i = i->GetAbove()) {
if (aDumpHtml) {
fprintf(aOutput, "<li>");
} else {
sPrintDisplayListIndent ++;
for (int indent = 0; indent < sPrintDisplayListIndent; indent++) {
fprintf(aOutput, " ");
}
}
nsIFrame* f = i->Frame();
nsAutoString fName;
#ifdef DEBUG
f->GetFrameName(fName);
#endif
bool snap;
nsRect rect = i->GetBounds(aBuilder, &snap);
nscolor color;
nsRect vis = i->GetVisibleRect();
nsRect component = i->GetComponentAlphaBounds(aBuilder);
nsDisplayList* list = i->GetChildren();
const DisplayItemClip& clip = i->GetClip();
nsRegion opaque;
#ifdef DEBUG
if (!list || list->DidComputeVisibility()) {
opaque = i->GetOpaqueRegion(aBuilder, &snap);
}
#endif
if (aDumpHtml && i->Painted()) {
nsCString string(i->Name());
string.Append("-");
string.AppendInt((uint64_t)i);
fprintf(aOutput, "<a href=\"javascript:ViewImage('%s')\">", string.BeginReading());
}
fprintf(aOutput, "%s %p(%s) bounds(%d,%d,%d,%d) visible(%d,%d,%d,%d) componentAlpha(%d,%d,%d,%d) clip(%s) %s",
i->Name(), (void*)f, NS_ConvertUTF16toUTF8(fName).get(),
rect.x, rect.y, rect.width, rect.height,
vis.x, vis.y, vis.width, vis.height,
component.x, component.y, component.width, component.height,
clip.ToString().get(),
i->IsUniform(aBuilder, &color) ? " uniform" : "");
nsRegionRectIterator iter(opaque);
for (const nsRect* r = iter.Next(); r; r = iter.Next()) {
fprintf(aOutput, " (opaque %d,%d,%d,%d)", r->x, r->y, r->width, r->height);
}
i->WriteDebugInfo(aOutput);
if (aDumpHtml && i->Painted()) {
fprintf(aOutput, "</a>");
}
uint32_t key = i->GetPerFrameKey();
Layer* layer = mozilla::FrameLayerBuilder::GetDebugOldLayerFor(f, key);
if (layer) {
if (aDumpHtml) {
fprintf(aOutput, " <a href=\"#%p\">layer=%p</a>", layer, layer);
} else {
fprintf(aOutput, " layer=%p", layer);
}
}
if (i->GetType() == nsDisplayItem::TYPE_SVG_EFFECTS) {
(static_cast<nsDisplaySVGEffects*>(i))->PrintEffects(aOutput);
}
fputc('\n', aOutput);
if (list) {
PrintDisplayListTo(aBuilder, *list, aOutput, aDumpHtml);
}
if (aDumpHtml) {
fprintf(aOutput, "</li>");
} else {
sPrintDisplayListIndent --;
}
}
if (aDumpHtml) {
fprintf(aOutput, "</ul>");
}
}
void
nsFrame::PrintDisplayList(nsDisplayListBuilder* aBuilder,
const nsDisplayList& aList,
FILE* aFile,
bool aDumpHtml)
{
PrintDisplayListTo(aBuilder, aList, aFile, aDumpHtml);
}
#endif
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