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implemented intrinsic sizing method on DOM Window

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This commit is contained in:
danm%netscape.com 1999-09-03 22:41:56 +00:00
parent 5dbc2f05f7
commit e68f60f671
11 changed files with 194 additions and 9 deletions
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58
docshell/base/nsWebShell.cpp
View File

@ -71,6 +71,7 @@
#include "nsIDOMHTMLDocument.h"
#include "nsLayoutCID.h"
#include "nsIDOMRange.h"
#include "nsIFrameReflow.h"
#include "nsMultiMixedConv.h" // for
#include "nsIRegistry.h"
@ -186,6 +187,7 @@ public:
NS_IMETHOD Destroy(void);
NS_IMETHOD GetBounds(PRInt32 &x, PRInt32 &y, PRInt32 &w, PRInt32 &h);
NS_IMETHOD SetBounds(PRInt32 x, PRInt32 y, PRInt32 w, PRInt32 h);
NS_IMETHOD SizeToContent();
NS_IMETHOD MoveTo(PRInt32 aX, PRInt32 aY);
NS_IMETHOD Show();
NS_IMETHOD Hide();
@ -1354,6 +1356,62 @@ nsWebShell::SetBounds(PRInt32 x, PRInt32 y, PRInt32 w, PRInt32 h)
return NS_OK;
}
NS_IMETHODIMP
nsWebShell::SizeToContent()
{
nsresult rv;
// get the presentation shell
nsCOMPtr<nsIContentViewer> cv;
GetContentViewer(getter_AddRefs(cv));
if (cv) {
nsCOMPtr<nsIDocumentViewer> dv = do_QueryInterface(cv);
if (dv) {
nsCOMPtr<nsIPresContext> pcx;
dv->GetPresContext(*getter_AddRefs(pcx));
if (pcx) {
nsCOMPtr<nsIPresShell> pshell;
pcx->GetShell(getter_AddRefs(pshell));
// whew! so resize the presentation shell
if (pshell) {
nsRect shellArea;
PRInt32 width, height;
float pixelScale;
rv = pshell->ResizeReflow(NS_UNCONSTRAINEDSIZE, NS_UNCONSTRAINEDSIZE);
// so how big is it?
pcx->GetVisibleArea(shellArea);
pcx->GetTwipsToPixels(&pixelScale);
width = PRInt32((float)shellArea.width*pixelScale);
height = PRInt32((float)shellArea.height*pixelScale);
// if we're the outermost webshell for this window, size the window
if (mContainer) {
nsCOMPtr<nsIBrowserWindow> browser = do_QueryInterface(mContainer);
if (browser) {
nsCOMPtr<nsIWebShell> browserWebShell;
PRInt32 oldX, oldY, oldWidth, oldHeight,
widthDelta, heightDelta;
nsRect windowBounds;
GetBounds(oldX, oldY, oldWidth, oldHeight);
widthDelta = width - oldWidth;
heightDelta = height - oldHeight;
browser->GetWindowBounds(windowBounds);
browser->SizeWindowTo(windowBounds.width + widthDelta,
windowBounds.height + heightDelta);
}
}
}
}
}
}
return rv;
}
NS_IMETHODIMP
nsWebShell::MoveTo(PRInt32 aX, PRInt32 aY)
{

4
dom/public/base/nsIDOMWindow.h
View File

@ -146,6 +146,8 @@ public:
NS_IMETHOD ResizeBy(PRInt32 aWidthDif, PRInt32 aHeightDif)=0;
NS_IMETHOD SizeToContent()=0;
NS_IMETHOD ScrollTo(PRInt32 aXScroll, PRInt32 aYScroll)=0;
NS_IMETHOD ScrollBy(PRInt32 aXScrollDif, PRInt32 aYScrollDif)=0;
@ -225,6 +227,7 @@ public:
NS_IMETHOD MoveBy(PRInt32 aXDif, PRInt32 aYDif); \
NS_IMETHOD ResizeTo(PRInt32 aWidth, PRInt32 aHeight); \
NS_IMETHOD ResizeBy(PRInt32 aWidthDif, PRInt32 aHeightDif); \
NS_IMETHOD SizeToContent(); \
NS_IMETHOD ScrollTo(PRInt32 aXScroll, PRInt32 aYScroll); \
NS_IMETHOD ScrollBy(PRInt32 aXScrollDif, PRInt32 aYScrollDif); \
NS_IMETHOD ClearTimeout(PRInt32 aTimerID); \
@ -296,6 +299,7 @@ public:
NS_IMETHOD MoveBy(PRInt32 aXDif, PRInt32 aYDif) { return _to MoveBy(aXDif, aYDif); } \
NS_IMETHOD ResizeTo(PRInt32 aWidth, PRInt32 aHeight) { return _to ResizeTo(aWidth, aHeight); } \
NS_IMETHOD ResizeBy(PRInt32 aWidthDif, PRInt32 aHeightDif) { return _to ResizeBy(aWidthDif, aHeightDif); } \
NS_IMETHOD SizeToContent() { return _to SizeToContent(); } \
NS_IMETHOD ScrollTo(PRInt32 aXScroll, PRInt32 aYScroll) { return _to ScrollTo(aXScroll, aYScroll); } \
NS_IMETHOD ScrollBy(PRInt32 aXScrollDif, PRInt32 aYScrollDif) { return _to ScrollBy(aXScrollDif, aYScrollDif); } \
NS_IMETHOD ClearTimeout(PRInt32 aTimerID) { return _to ClearTimeout(aTimerID); } \

9
dom/public/idl/base/Window.idl
View File

@ -49,6 +49,7 @@
void moveBy(in long xDif, in long yDif);
void resizeTo(in long width, in long height);
void resizeBy(in long widthDif, in long heightDif);
void sizeToContent();
void scrollTo(in long xScroll, in long yScroll);
void scrollBy(in long xScrollDif, in long yScrollDif);
@ -57,10 +58,10 @@
long setTimeout(/* ... */);
long setInterval(/* ... */);
Window createPopup(in Element element, in Element popupContent,
in long xPos, in long yPos,
in DOMString popupType, in DOMString anchorAlignment,
in DOMString popupAlignment);
Window createPopup(in Element element, in Element popupContent,
in long xPos, in long yPos,
in DOMString popupType, in DOMString anchorAlignment,
in DOMString popupAlignment);
Window open(/* ... */);
Window openDialog(/* ... */);

8
dom/src/base/nsGlobalWindow.cpp
View File

@ -1476,6 +1476,14 @@ GlobalWindowImpl::ResizeBy(PRInt32 aWidthDif, PRInt32 aHeightDif)
return NS_OK;
}
NS_IMETHODIMP
GlobalWindowImpl::SizeToContent()
{
if (mWebShell)
return mWebShell->SizeToContent();
return NS_ERROR_NOT_INITIALIZED;
}
NS_IMETHODIMP
GlobalWindowImpl::ScrollTo(PRInt32 aXScroll, PRInt32 aYScroll)
{

1
dom/src/base/nsGlobalWindow.h
View File

@ -153,6 +153,7 @@ public:
NS_IMETHOD MoveBy(PRInt32 aXDif, PRInt32 aYDif);
NS_IMETHOD ResizeTo(PRInt32 aWidth, PRInt32 aHeight);
NS_IMETHOD ResizeBy(PRInt32 aWidthDif, PRInt32 aHeightDif);
NS_IMETHOD SizeToContent();
NS_IMETHOD ScrollTo(PRInt32 aXScroll, PRInt32 aYScroll);
NS_IMETHOD ScrollBy(PRInt32 aXScrollDif, PRInt32 aYScrollDif);

43
dom/src/base/nsJSWindow.cpp
View File

@ -1708,6 +1708,48 @@ WindowResizeBy(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rva
}
//
// Native method SizeToContent
//
PR_STATIC_CALLBACK(JSBool)
WindowSizeToContent(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
{
nsIDOMWindow *nativeThis = (nsIDOMWindow*)nsJSUtils::nsGetNativeThis(cx, obj);
*rval = JSVAL_NULL;
nsIScriptContext *scriptCX = (nsIScriptContext *)JS_GetContextPrivate(cx);
nsCOMPtr<nsIScriptSecurityManager> secMan;
if (NS_OK != scriptCX->GetSecurityManager(getter_AddRefs(secMan))) {
return JS_FALSE;
}
{
PRBool ok;
secMan->CheckScriptAccess(scriptCX, obj, "window.sizetocontent",PR_FALSE , &ok);
if (!ok) {
//Need to throw error here
return JS_FALSE;
}
}
// If there's no private data, this must be the prototype, so ignore
if (nsnull == nativeThis) {
return JS_TRUE;
}
{
if (NS_OK != nativeThis->SizeToContent()) {
return JS_FALSE;
}
*rval = JSVAL_VOID;
}
return JS_TRUE;
}
//
// Native method ScrollTo
//
@ -2498,6 +2540,7 @@ static JSFunctionSpec WindowMethods[] =
{"moveBy", WindowMoveBy, 2},
{"resizeTo", WindowResizeTo, 2},
{"resizeBy", WindowResizeBy, 2},
{"sizeToContent", WindowSizeToContent, 0},
{"scrollTo", WindowScrollTo, 2},
{"scrollBy", WindowScrollBy, 2},
{"clearTimeout", WindowClearTimeout, 1},

3
layout/generic/nsViewportFrame.cpp
View File

@ -533,7 +533,8 @@ ViewportFrame::Reflow(nsIPresContext& aPresContext,
// If we were flowed initially at both an unconstrained width and height,
// this is a hint that we should return our child's intrinsic size.
if (eReflowReason_Initial == aReflowState.reason &&
if ((eReflowReason_Initial == aReflowState.reason ||
eReflowReason_Resize == aReflowState.reason) &&
aReflowState.availableWidth == NS_UNCONSTRAINEDSIZE &&
aReflowState.availableHeight == NS_UNCONSTRAINEDSIZE) {
aDesiredSize.width = kidRect.width;

3
layout/html/base/src/nsViewportFrame.cpp
View File

@ -533,7 +533,8 @@ ViewportFrame::Reflow(nsIPresContext& aPresContext,
// If we were flowed initially at both an unconstrained width and height,
// this is a hint that we should return our child's intrinsic size.
if (eReflowReason_Initial == aReflowState.reason &&
if ((eReflowReason_Initial == aReflowState.reason ||
eReflowReason_Resize == aReflowState.reason) &&
aReflowState.availableWidth == NS_UNCONSTRAINEDSIZE &&
aReflowState.availableHeight == NS_UNCONSTRAINEDSIZE) {
aDesiredSize.width = kidRect.width;

5
webshell/public/nsIWebShell.h
View File

@ -174,6 +174,11 @@ public:
*/
NS_IMETHOD SetBounds(PRInt32 x, PRInt32 y, PRInt32 w, PRInt32 h) = 0;
/**
* Shrink-to-fit the WebShell to its contents
*/
NS_IMETHOD SizeToContent() = 0;
NS_IMETHOD MoveTo(PRInt32 aX, PRInt32 aY) = 0;
/**

58
webshell/src/nsWebShell.cpp
View File

@ -71,6 +71,7 @@
#include "nsIDOMHTMLDocument.h"
#include "nsLayoutCID.h"
#include "nsIDOMRange.h"
#include "nsIFrameReflow.h"
#include "nsMultiMixedConv.h" // for
#include "nsIRegistry.h"
@ -186,6 +187,7 @@ public:
NS_IMETHOD Destroy(void);
NS_IMETHOD GetBounds(PRInt32 &x, PRInt32 &y, PRInt32 &w, PRInt32 &h);
NS_IMETHOD SetBounds(PRInt32 x, PRInt32 y, PRInt32 w, PRInt32 h);
NS_IMETHOD SizeToContent();
NS_IMETHOD MoveTo(PRInt32 aX, PRInt32 aY);
NS_IMETHOD Show();
NS_IMETHOD Hide();
@ -1354,6 +1356,62 @@ nsWebShell::SetBounds(PRInt32 x, PRInt32 y, PRInt32 w, PRInt32 h)
return NS_OK;
}
NS_IMETHODIMP
nsWebShell::SizeToContent()
{
nsresult rv;
// get the presentation shell
nsCOMPtr<nsIContentViewer> cv;
GetContentViewer(getter_AddRefs(cv));
if (cv) {
nsCOMPtr<nsIDocumentViewer> dv = do_QueryInterface(cv);
if (dv) {
nsCOMPtr<nsIPresContext> pcx;
dv->GetPresContext(*getter_AddRefs(pcx));
if (pcx) {
nsCOMPtr<nsIPresShell> pshell;
pcx->GetShell(getter_AddRefs(pshell));
// whew! so resize the presentation shell
if (pshell) {
nsRect shellArea;
PRInt32 width, height;
float pixelScale;
rv = pshell->ResizeReflow(NS_UNCONSTRAINEDSIZE, NS_UNCONSTRAINEDSIZE);
// so how big is it?
pcx->GetVisibleArea(shellArea);
pcx->GetTwipsToPixels(&pixelScale);
width = PRInt32((float)shellArea.width*pixelScale);
height = PRInt32((float)shellArea.height*pixelScale);
// if we're the outermost webshell for this window, size the window
if (mContainer) {
nsCOMPtr<nsIBrowserWindow> browser = do_QueryInterface(mContainer);
if (browser) {
nsCOMPtr<nsIWebShell> browserWebShell;
PRInt32 oldX, oldY, oldWidth, oldHeight,
widthDelta, heightDelta;
nsRect windowBounds;
GetBounds(oldX, oldY, oldWidth, oldHeight);
widthDelta = width - oldWidth;
heightDelta = height - oldHeight;
browser->GetWindowBounds(windowBounds);
browser->SizeWindowTo(windowBounds.width + widthDelta,
windowBounds.height + heightDelta);
}
}
}
}
}
}
return rv;
}
NS_IMETHODIMP
nsWebShell::MoveTo(PRInt32 aX, PRInt32 aY)
{

5
xpfe/browser/samples/dexparamdialog.xul
View File

@ -213,6 +213,11 @@
<html:button onclick="SetFromParams()">Startup from Params</html:button>
</html:td>
</html:tr>
<html:tr>
<html:td>
<html:button onclick="sizeToContent()">Size To Content</html:button>
</html:td>
</html:tr>
<html:tr>
<html:td>
<html:button onclick="DumpWindow()">Dump Window</html:button>