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COMized nsIPresShell and nsIPresContext

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This commit is contained in:
kipp@netscape.com
1999-02-12 17:45:58 +00:00
parent c0757e5e3d
commit 74b2988510
310 changed files with 4191 additions and 2990 deletions
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92
layout/html/base/src/nsFrame.cpp
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@@ -15,6 +15,7 @@
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
#include "nsCOMPtr.h"
#include "nsFrame.h"
#include "nsFrameList.h"
#include "nsLineLayout.h"
@@ -360,10 +361,10 @@ NS_IMETHODIMP
nsFrame::DeleteFrame(nsIPresContext& aPresContext)
{
if (mState & NS_FRAME_EXTERNAL_REFERENCE) {
nsIPresShell *shell = aPresContext.GetShell();
if (nsnull != shell) {
nsCOMPtr<nsIPresShell> shell;
nsresult rv = aPresContext.GetShell(getter_AddRefs(shell));
if (NS_SUCCEEDED(rv) && (nsnull != shell)) {
shell->ClearFrameRefs(this);
NS_RELEASE(shell);
}
}
@@ -451,11 +452,13 @@ NS_IMETHODIMP nsFrame::ReResolveStyleContext(nsIPresContext* aPresContext,
mStyleContext->GetPseudoType(pseudoTag);
nsIStyleContext* newContext;
if (nsnull != pseudoTag) {
aPresContext->ResolvePseudoStyleContextFor(mContent, pseudoTag, aParentContext,
&newContext);
aPresContext->ResolvePseudoStyleContextFor(mContent, pseudoTag,
aParentContext,
PR_FALSE, &newContext);
}
else {
aPresContext->ResolveStyleContextFor(mContent, aParentContext, &newContext);
aPresContext->ResolveStyleContextFor(mContent, aParentContext,
PR_FALSE, &newContext);
}
NS_ASSERTION(nsnull != newContext, "failed to get new style context");
@@ -584,24 +587,25 @@ NS_IMETHODIMP nsFrame::FirstChild(nsIAtom* aListName, nsIFrame** aFirstChild) co
return nsnull == aListName ? NS_OK : NS_ERROR_INVALID_ARG;
}
PRBool nsFrame::DisplaySelection(nsIPresContext& aPresContext, PRBool isOkToTurnOn)
PRBool
nsFrame::DisplaySelection(nsIPresContext& aPresContext, PRBool isOkToTurnOn)
{
PRBool result = PR_FALSE;
nsIPresShell *shell = aPresContext.GetShell();
if (nsnull != shell) {
nsIDocument *doc = shell->GetDocument();
if (nsnull != doc) {
nsCOMPtr<nsIPresShell> shell;
nsresult rv = aPresContext.GetShell(getter_AddRefs(shell));
if (NS_SUCCEEDED(rv) && (nsnull != shell)) {
nsCOMPtr<nsIDocument> doc;
rv = shell->GetDocument(getter_AddRefs(doc));
if (NS_SUCCEEDED(rv) && (nsnull != doc)) {
result = doc->GetDisplaySelection();
if (isOkToTurnOn && !result) {
doc->SetDisplaySelection(PR_TRUE);
result = PR_TRUE;
}
NS_RELEASE(doc);
}
NS_RELEASE(shell);
}
return result;
}
@@ -687,22 +691,24 @@ nsFrame::HandleEvent(nsIPresContext& aPresContext,
/**
* Handles the Mouse Press Event for the frame
*/
NS_IMETHODIMP nsFrame::HandlePress(nsIPresContext& aPresContext,
nsGUIEvent* aEvent,
nsEventStatus& aEventStatus)
NS_IMETHODIMP
nsFrame::HandlePress(nsIPresContext& aPresContext,
nsGUIEvent* aEvent,
nsEventStatus& aEventStatus)
{
if (DisplaySelection(aPresContext, PR_TRUE) == PR_FALSE)
{
if (!DisplaySelection(aPresContext, PR_TRUE)) {
aEventStatus = nsEventStatus_eIgnore;
return NS_OK;
}
mDoingSelection = PR_TRUE;
mDidDrag = PR_FALSE;
nsIPresShell *shell = aPresContext.GetShell();
if (shell){
nsIRenderingContext * acx;
if (NS_SUCCEEDED(shell->CreateRenderingContext(this, acx))){
nsCOMPtr<nsIPresShell> shell;
nsresult rv = aPresContext.GetShell(getter_AddRefs(shell));
if (NS_SUCCEEDED(rv) && (nsnull != shell)) {
nsCOMPtr<nsIRenderingContext> acx;
rv = shell->CreateRenderingContext(this, getter_AddRefs(acx));
if (NS_SUCCEEDED(rv)){
PRInt32 startPos = 0;
PRUint32 contentOffset = 0;
if (NS_SUCCEEDED(GetPosition(aPresContext, acx, aEvent, this, contentOffset, startPos))){
@@ -722,9 +728,7 @@ NS_IMETHODIMP nsFrame::HandlePress(nsIPresContext& aPresContext,
}
//no release
}
NS_RELEASE(acx);
}
NS_RELEASE(shell);
}
#if 0
@@ -910,18 +914,19 @@ NS_IMETHODIMP nsFrame::HandleDrag(nsIPresContext& aPresContext,
nsGUIEvent* aEvent,
nsEventStatus& aEventStatus)
{
if (DisplaySelection(aPresContext, PR_TRUE) == PR_FALSE)
{
if (!DisplaySelection(aPresContext, PR_TRUE)) {
aEventStatus = nsEventStatus_eIgnore;
return NS_OK;
}
mDoingSelection = PR_TRUE;
mDidDrag = PR_FALSE;
nsIPresShell *shell = aPresContext.GetShell();
if (shell){
nsIRenderingContext * acx;
if (NS_SUCCEEDED(shell->CreateRenderingContext(this, acx))){
nsCOMPtr<nsIPresShell> shell;
nsresult rv = aPresContext.GetShell(getter_AddRefs(shell));
if (NS_SUCCEEDED(rv) && (nsnull != shell)) {
nsCOMPtr<nsIRenderingContext> acx;
rv = shell->CreateRenderingContext(this, getter_AddRefs(acx));
if (NS_SUCCEEDED(rv)) {
PRInt32 startPos = 0;
PRUint32 contentOffset = 0;
if (NS_SUCCEEDED(GetPosition(aPresContext, acx, aEvent, this, contentOffset, startPos))){
@@ -940,9 +945,7 @@ NS_IMETHODIMP nsFrame::HandleDrag(nsIPresContext& aPresContext,
}
//no release
}
NS_RELEASE(acx);
}
NS_RELEASE(shell);
}
#if 0
//DEBUG MJUDGE
@@ -1343,19 +1346,18 @@ nsFrame::ContentChanged(nsIPresContext* aPresContext,
nsIContent* aChild,
nsISupports* aSubContent)
{
nsIPresShell* shell;
shell = aPresContext->GetShell();
nsIReflowCommand* reflowCmd;
nsresult rv = NS_NewHTMLReflowCommand(&reflowCmd, this,
nsIReflowCommand::ContentChanged);
if (NS_SUCCEEDED(rv)) {
shell->AppendReflowCommand(reflowCmd);
NS_RELEASE(reflowCmd);
nsCOMPtr<nsIPresShell> shell;
nsresult rv = aPresContext->GetShell(getter_AddRefs(shell));
if (NS_SUCCEEDED(rv) && (nsnull != shell)) {
nsIReflowCommand* reflowCmd;
rv = NS_NewHTMLReflowCommand(&reflowCmd, this,
nsIReflowCommand::ContentChanged);
if (NS_SUCCEEDED(rv)) {
shell->AppendReflowCommand(reflowCmd);
NS_RELEASE(reflowCmd);
}
}
NS_RELEASE(shell);
return NS_OK;
return rv;
}
NS_IMETHODIMP