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Fix for 76495. r=danm, sr=rpotts

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This commit is contained in:
hyatt%netscape.com 2001-05-01 22:50:16 +00:00
parent 5f52f29bcb
commit dddabd000c
7 changed files with 208 additions and 14 deletions
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98
content/base/src/nsDocumentViewer.cpp
View File

@ -375,9 +375,14 @@ public:
NS_IMETHOD SetDOMDocument(nsIDOMDocument *aDocument);
NS_IMETHOD GetBounds(nsRect& aResult);
NS_IMETHOD SetBounds(const nsRect& aBounds);
NS_IMETHOD GetPreviousViewer(nsIContentViewer** aResult);
NS_IMETHOD SetPreviousViewer(nsIContentViewer* aViewer);
NS_IMETHOD Move(PRInt32 aX, PRInt32 aY);
NS_IMETHOD Show();
NS_IMETHOD Hide();
NS_IMETHOD Validate();
NS_IMETHOD SetEnableRendering(PRBool aOn);
NS_IMETHOD GetEnableRendering(PRBool* aResult);
@ -526,8 +531,11 @@ protected:
nsCOMPtr<nsISelectionListener> mSelectionListener;
nsCOMPtr<nsIDOMFocusListener> mFocusListener;
nsCOMPtr<nsIContentViewer> mPreviousViewer;
PRBool mEnableRendering;
PRBool mStopped;
PRBool mLoaded;
PRInt16 mNumURLStarts;
nsIPageSequenceFrame* mPageSeqFrame;
@ -795,6 +803,7 @@ DocumentViewerImpl::DocumentViewerImpl()
NS_INIT_ISUPPORTS();
mEnableRendering = PR_TRUE;
mStopped = PR_FALSE;
mLoaded = PR_FALSE;
mPrt = nsnull;
mIsPrinting = PR_FALSE;
@ -838,7 +847,17 @@ DocumentViewerImpl::~DocumentViewerImpl()
if (mPresContext) {
mPresContext->SetContainer(nsnull);
mPresContext->SetLinkHandler(nsnull);
// XXX This is only needed because bg images have not been
// converted to the new image lib. Once pav does this, we
// can just remove this code. Right now it is only here
// for background images.
// stop everything but the chrome.
mPresContext->Stop();
}
// Avoid leaking the old viewer.
if (mPreviousViewer)
SetPreviousViewer(nsnull);
}
/*
@ -932,6 +951,8 @@ DocumentViewerImpl::Init(nsIWidget* aParentWidget,
// Create the ViewManager and Root View...
rv = MakeWindow(aParentWidget, aBounds);
Hide();
if (NS_FAILED(rv)) return rv;
// Create the style set...
@ -1050,6 +1071,8 @@ DocumentViewerImpl::LoadComplete(nsresult aStatus)
NS_ASSERTION(global, "nsIScriptGlobalObject not set for document!");
if (!global) return NS_ERROR_NULL_POINTER;
mLoaded = PR_TRUE;
// Now, fire either an OnLoad or OnError event to the document...
if(NS_SUCCEEDED(aStatus)) {
nsEventStatus status = nsEventStatus_eIgnore;
@ -1065,8 +1088,8 @@ DocumentViewerImpl::LoadComplete(nsresult aStatus)
// Now that the document has loaded, we can tell the presshell
// to unsuppress painting.
if (mPresShell)
mPresShell->UnsuppressPainting(!mStopped);
if (mPresShell && !mStopped)
mPresShell->UnsuppressPainting();
return rv;
}
@ -1114,7 +1137,6 @@ DocumentViewerImpl::Destroy()
}
mDocument = nsnull;
return NS_OK;
}
@ -1126,12 +1148,22 @@ DocumentViewerImpl::Stop(void)
mDocument->StopDocumentLoad();
}
if (mPresContext) {
// stop everything but the chrome.
mPresContext->Stop(PR_FALSE);
mStopped = PR_TRUE;
if (!mLoaded && mPresShell) {
// Well, we might as well paint what we have so far.
mPresShell->UnsuppressPainting();
if (mPresContext) {
// XXX This is only needed because bg images have not been
// converted to the new image lib. Once pav does this, we
// can just remove this code. Right now it is only here
// for background images.
// stop everything but the chrome.
mPresContext->Stop(PR_FALSE);
}
}
mStopped = PR_TRUE;
return NS_OK;
}
@ -1256,6 +1288,49 @@ DocumentViewerImpl::GetBounds(nsRect& aResult)
return NS_OK;
}
NS_IMETHODIMP
DocumentViewerImpl::GetPreviousViewer(nsIContentViewer** aViewer)
{
*aViewer = mPreviousViewer;
NS_IF_ADDREF(*aViewer);
return NS_OK;
}
NS_IMETHODIMP
DocumentViewerImpl::SetPreviousViewer(nsIContentViewer* aViewer)
{
if (!aViewer) {
// Clearing it out.
mPreviousViewer = nsnull;
// Now we can show, but only if we aren't dead already (which
// can occasionally happen when one page moves to another during the onload
// handler.)
if (mDocument)
Show();
}
else {
// In a multiple chaining situation (which occurs when running a thrashing
// test like i-bench or jrgm's tests with no delay), we can build up a
// whole chain of viewers. In order to avoid this, we always set our previous
// viewer to the MOST previous viewer in the chain, and then dump the intermediate
// link from the chain. This ensures that at most only 2 documents are alive
// and undestroyed at any given time (the one that is showing and the one that
// is loading with painting suppressed).
aViewer->Validate();
nsCOMPtr<nsIContentViewer> prevViewer;
aViewer->GetPreviousViewer(getter_AddRefs(prevViewer));
if (prevViewer) {
SetPreviousViewer(prevViewer);
prevViewer->SetPreviousViewer(nsnull);
return NS_OK;
}
}
mPreviousViewer = aViewer;
return NS_OK;
}
NS_IMETHODIMP
DocumentViewerImpl::SetBounds(const nsRect& aBounds)
{
@ -1303,6 +1378,15 @@ DocumentViewerImpl::Hide(void)
return NS_OK;
}
NS_IMETHODIMP
DocumentViewerImpl::Validate(void)
{
NS_PRECONDITION(mWindow, "null window");
if (mWindow)
mWindow->Validate();
return NS_OK;
}
nsresult
DocumentViewerImpl::FindFrameSetWithIID(nsIContent * aParentContent, const nsIID& aIID)
{

98
layout/base/nsDocumentViewer.cpp
View File

@ -375,9 +375,14 @@ public:
NS_IMETHOD SetDOMDocument(nsIDOMDocument *aDocument);
NS_IMETHOD GetBounds(nsRect& aResult);
NS_IMETHOD SetBounds(const nsRect& aBounds);
NS_IMETHOD GetPreviousViewer(nsIContentViewer** aResult);
NS_IMETHOD SetPreviousViewer(nsIContentViewer* aViewer);
NS_IMETHOD Move(PRInt32 aX, PRInt32 aY);
NS_IMETHOD Show();
NS_IMETHOD Hide();
NS_IMETHOD Validate();
NS_IMETHOD SetEnableRendering(PRBool aOn);
NS_IMETHOD GetEnableRendering(PRBool* aResult);
@ -526,8 +531,11 @@ protected:
nsCOMPtr<nsISelectionListener> mSelectionListener;
nsCOMPtr<nsIDOMFocusListener> mFocusListener;
nsCOMPtr<nsIContentViewer> mPreviousViewer;
PRBool mEnableRendering;
PRBool mStopped;
PRBool mLoaded;
PRInt16 mNumURLStarts;
nsIPageSequenceFrame* mPageSeqFrame;
@ -795,6 +803,7 @@ DocumentViewerImpl::DocumentViewerImpl()
NS_INIT_ISUPPORTS();
mEnableRendering = PR_TRUE;
mStopped = PR_FALSE;
mLoaded = PR_FALSE;
mPrt = nsnull;
mIsPrinting = PR_FALSE;
@ -838,7 +847,17 @@ DocumentViewerImpl::~DocumentViewerImpl()
if (mPresContext) {
mPresContext->SetContainer(nsnull);
mPresContext->SetLinkHandler(nsnull);
// XXX This is only needed because bg images have not been
// converted to the new image lib. Once pav does this, we
// can just remove this code. Right now it is only here
// for background images.
// stop everything but the chrome.
mPresContext->Stop();
}
// Avoid leaking the old viewer.
if (mPreviousViewer)
SetPreviousViewer(nsnull);
}
/*
@ -932,6 +951,8 @@ DocumentViewerImpl::Init(nsIWidget* aParentWidget,
// Create the ViewManager and Root View...
rv = MakeWindow(aParentWidget, aBounds);
Hide();
if (NS_FAILED(rv)) return rv;
// Create the style set...
@ -1050,6 +1071,8 @@ DocumentViewerImpl::LoadComplete(nsresult aStatus)
NS_ASSERTION(global, "nsIScriptGlobalObject not set for document!");
if (!global) return NS_ERROR_NULL_POINTER;
mLoaded = PR_TRUE;
// Now, fire either an OnLoad or OnError event to the document...
if(NS_SUCCEEDED(aStatus)) {
nsEventStatus status = nsEventStatus_eIgnore;
@ -1065,8 +1088,8 @@ DocumentViewerImpl::LoadComplete(nsresult aStatus)
// Now that the document has loaded, we can tell the presshell
// to unsuppress painting.
if (mPresShell)
mPresShell->UnsuppressPainting(!mStopped);
if (mPresShell && !mStopped)
mPresShell->UnsuppressPainting();
return rv;
}
@ -1114,7 +1137,6 @@ DocumentViewerImpl::Destroy()
}
mDocument = nsnull;
return NS_OK;
}
@ -1126,12 +1148,22 @@ DocumentViewerImpl::Stop(void)
mDocument->StopDocumentLoad();
}
if (mPresContext) {
// stop everything but the chrome.
mPresContext->Stop(PR_FALSE);
mStopped = PR_TRUE;
if (!mLoaded && mPresShell) {
// Well, we might as well paint what we have so far.
mPresShell->UnsuppressPainting();
if (mPresContext) {
// XXX This is only needed because bg images have not been
// converted to the new image lib. Once pav does this, we
// can just remove this code. Right now it is only here
// for background images.
// stop everything but the chrome.
mPresContext->Stop(PR_FALSE);
}
}
mStopped = PR_TRUE;
return NS_OK;
}
@ -1256,6 +1288,49 @@ DocumentViewerImpl::GetBounds(nsRect& aResult)
return NS_OK;
}
NS_IMETHODIMP
DocumentViewerImpl::GetPreviousViewer(nsIContentViewer** aViewer)
{
*aViewer = mPreviousViewer;
NS_IF_ADDREF(*aViewer);
return NS_OK;
}
NS_IMETHODIMP
DocumentViewerImpl::SetPreviousViewer(nsIContentViewer* aViewer)
{
if (!aViewer) {
// Clearing it out.
mPreviousViewer = nsnull;
// Now we can show, but only if we aren't dead already (which
// can occasionally happen when one page moves to another during the onload
// handler.)
if (mDocument)
Show();
}
else {
// In a multiple chaining situation (which occurs when running a thrashing
// test like i-bench or jrgm's tests with no delay), we can build up a
// whole chain of viewers. In order to avoid this, we always set our previous
// viewer to the MOST previous viewer in the chain, and then dump the intermediate
// link from the chain. This ensures that at most only 2 documents are alive
// and undestroyed at any given time (the one that is showing and the one that
// is loading with painting suppressed).
aViewer->Validate();
nsCOMPtr<nsIContentViewer> prevViewer;
aViewer->GetPreviousViewer(getter_AddRefs(prevViewer));
if (prevViewer) {
SetPreviousViewer(prevViewer);
prevViewer->SetPreviousViewer(nsnull);
return NS_OK;
}
}
mPreviousViewer = aViewer;
return NS_OK;
}
NS_IMETHODIMP
DocumentViewerImpl::SetBounds(const nsRect& aBounds)
{
@ -1303,6 +1378,15 @@ DocumentViewerImpl::Hide(void)
return NS_OK;
}
NS_IMETHODIMP
DocumentViewerImpl::Validate(void)
{
NS_PRECONDITION(mWindow, "null window");
if (mWindow)
mWindow->Validate();
return NS_OK;
}
nsresult
DocumentViewerImpl::FindFrameSetWithIID(nsIContent * aParentContent, const nsIID& aIID)
{

6
widget/public/nsIWidget.h
View File

@ -523,6 +523,12 @@ class nsIWidget : public nsISupports {
NS_IMETHOD SetCursor(nsCursor aCursor) = 0;
/**
* Validate the widget.
*
*/
NS_IMETHOD Validate() = 0;
/**
* Invalidate the widget and repaint it.
*

13
widget/src/windows/nsWindow.cpp
View File

@ -1965,6 +1965,19 @@ NS_METHOD nsWindow::SetCursor(nsCursor aCursor)
return NS_OK;
}
// ------------------------------------------------------------------------
//
// Validate a visible area of a widget.
//
// ------------------------------------------------------------------------
NS_METHOD nsWindow::Validate()
{
if (mWnd)
VERIFY(::ValidateRect(mWnd, NULL));
return NS_OK;
}
//-------------------------------------------------------------------------
//
// Invalidate this component visible area

1
widget/src/windows/nsWindow.h
View File

@ -248,6 +248,7 @@ public:
virtual nsIFontMetrics* GetFont(void);
NS_IMETHOD SetFont(const nsFont &aFont);
NS_IMETHOD SetCursor(nsCursor aCursor);
NS_IMETHOD Validate();
NS_IMETHOD Invalidate(PRBool aIsSynchronous);
NS_IMETHOD Invalidate(const nsRect & aRect, PRBool aIsSynchronous);
NS_IMETHOD InvalidateRegion(const nsIRegion *aRegion, PRBool aIsSynchronous);

5
widget/src/xpwidgets/nsBaseWidget.cpp
View File

@ -189,6 +189,11 @@ NS_IMETHODIMP nsBaseWidget::CaptureMouse(PRBool aCapture)
return NS_OK;
}
NS_IMETHODIMP nsBaseWidget::Validate()
{
return NS_OK;
}
NS_IMETHODIMP nsBaseWidget::InvalidateRegion(const nsIRegion *aRegion, PRBool aIsSynchronous)
{
return NS_ERROR_FAILURE;

1
widget/src/xpwidgets/nsBaseWidget.h
View File

@ -58,6 +58,7 @@ public:
// nsIWidget interface
NS_IMETHOD CaptureMouse(PRBool aCapture);
NS_IMETHOD Validate();
NS_IMETHOD InvalidateRegion(const nsIRegion *aRegion, PRBool aIsSynchronous);
NS_IMETHOD GetClientData(void*& aClientData);
NS_IMETHOD SetClientData(void* aClientData);