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Implement plugin printing bug 27478 r=av,beard sr=attinasi

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peterlubczynski%netscape.com 2001-09-18 02:11:09 +00:00
parent f92f196731
commit 8727eab1d0
5 changed files with 599 additions and 202 deletions
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365
layout/generic/nsObjectFrame.cpp
View File

@ -74,6 +74,10 @@
#include "nsIRenderingContext.h"
#include "nsIContentViewer.h"
#include "nsIDocShell.h"
#include "npapi.h"
#include "nsIPrintOptions.h"
#include "nsGfxCIID.h"
static NS_DEFINE_CID(kPrintOptionsCID, NS_PRINTOPTIONS_CID);
// headers for plugin scriptability
#include "nsIScriptGlobalObject.h"
@ -89,7 +93,7 @@
// XXX For temporary paint code
#include "nsIStyleContext.h"
//~~~ For mime types
// For mime types
#include "nsMimeTypes.h"
#include "nsIMIMEService.h"
#include "nsCExternalHandlerService.h"
@ -110,6 +114,7 @@ static NS_DEFINE_CID(kPrefServiceCID, NS_PREF_CID);
#undef KeyPress
#endif
static nsresult GetContainingBlock(nsIFrame *aFrame, nsIFrame **aContainingBlock);
class nsPluginInstanceOwner : public nsIPluginInstanceOwner,
public nsIPluginTagInfo2,
@ -247,10 +252,8 @@ public:
NS_IMETHOD Init(nsIPresContext *aPresContext, nsObjectFrame *aFrame);
nsresult GetContainingBlock(nsIFrame *aFrame, nsIFrame **aContainingBlock);
nsPluginPort* GetPluginPort();
void ReleasePluginPort(nsPluginPort * pluginPort);//~~~
void ReleasePluginPort(nsPluginPort * pluginPort);
void SetPluginHost(nsIPluginHost* aHost);
@ -353,7 +356,6 @@ nsObjectFrame::GetSkipSides() const
return 0;
}
//~~~
#define IMAGE_EXT_GIF "gif"
#define IMAGE_EXT_JPG "jpg"
#define IMAGE_EXT_PNG "png"
@ -742,68 +744,96 @@ nsObjectFrame::GetDesiredSize(nsIPresContext* aPresContext,
const nsHTMLReflowState& aReflowState,
nsHTMLReflowMetrics& aMetrics)
{
// Determine our size stylistically
PRBool haveWidth = PR_FALSE;
PRBool haveHeight = PR_FALSE;
PRUint32 width = EMBED_DEF_WIDTH;
PRUint32 height = EMBED_DEF_HEIGHT;
if (IsHidden()) {
// If we're hidden, then width and height are zero.
haveWidth = haveHeight = PR_TRUE;
aMetrics.width = aMetrics.height = 0;
}
else {
if (NS_UNCONSTRAINEDSIZE != aReflowState.mComputedWidth) {
aMetrics.width = aReflowState.mComputedWidth;
haveWidth = PR_TRUE;
}
else if(mInstanceOwner != nsnull) {
if(NS_OK != mInstanceOwner->GetWidth(&width)) {
width = EMBED_DEF_WIDTH;
haveWidth = PR_FALSE;
}
else
haveWidth = PR_FALSE;
}
if (NS_UNCONSTRAINEDSIZE != aReflowState.mComputedHeight) {
aMetrics.height = aReflowState.mComputedHeight;
haveHeight = PR_TRUE;
}
else if(mInstanceOwner != nsnull) {
if(NS_OK != mInstanceOwner->GetHeight(&height)) {
height = EMBED_DEF_HEIGHT;
haveHeight = PR_FALSE;
}
else
haveHeight = PR_FALSE;
}
}
// XXX Temporary auto-sizing logic
if (!haveWidth) {
if (haveHeight) {
aMetrics.width = aMetrics.height;
}
else {
float p2t;
aPresContext->GetScaledPixelsToTwips(&p2t);
aMetrics.width = NSIntPixelsToTwips(width, p2t);
}
}
if (!haveHeight) {
if (haveWidth) {
aMetrics.height = aMetrics.width;
}
else {
float p2t;
aPresContext->GetScaledPixelsToTwips(&p2t);
aMetrics.height = NSIntPixelsToTwips(height, p2t);
}
}
aMetrics.ascent = aMetrics.height;
// By default, we have no area
aMetrics.width = 0;
aMetrics.height = 0;
aMetrics.ascent = 0;
aMetrics.descent = 0;
// for EMBED and APPLET, default to 240x200 for compatibility
nsIAtom *atom;
mContent->GetTag(atom);
if ( nsnull != atom &&
((atom == nsHTMLAtoms::applet) || (atom == nsHTMLAtoms::embed))) {
float p2t;
aPresContext->GetScaledPixelsToTwips(&p2t);
aMetrics.width = NSIntPixelsToTwips(EMBED_DEF_WIDTH, p2t);
aMetrics.height = NSIntPixelsToTwips(EMBED_DEF_HEIGHT, p2t);
}
// now find out size stylisticly
const nsStylePosition* position;
GetStyleData(eStyleStruct_Position, (const nsStyleStruct*&)position);
// width
nsStyleUnit unit = position->mWidth.GetUnit();
if (eStyleUnit_Coord == unit) {
aMetrics.width = position->mWidth.GetCoordValue();
}
else if (eStyleUnit_Percent == unit)
{
float factor = position->mWidth.GetPercentValue();
if (NS_UNCONSTRAINEDSIZE != aReflowState.availableWidth)
aMetrics.width = NSToCoordRound (factor * aReflowState.availableWidth);
else { // unconstrained percent case
nsRect rect;
aPresContext->GetVisibleArea(rect);
nscoord w = rect.width;
// now make it nicely fit counting margins
nsIFrame *containingBlock = nsnull;
if (NS_SUCCEEDED(GetContainingBlock(this, &containingBlock)) && containingBlock) {
containingBlock->GetRect(rect);
w -= 2*rect.x;
// XXX: this math seems suspect to me. Is the parent's margin really twice the x-offset?
// in CSS, a frame can have independent top and bottom margins
// but for now, let's just copy what we had before
}
aMetrics.width = NSToCoordRound (factor * w);
}
}
// height
unit = position->mHeight.GetUnit();
if (eStyleUnit_Coord == unit) {
aMetrics.height = position->mHeight.GetCoordValue();
}
else if (eStyleUnit_Percent == unit)
{
float factor = position->mHeight.GetPercentValue();
if (NS_UNCONSTRAINEDSIZE != aReflowState.availableHeight)
aMetrics.height = NSToCoordRound (factor * aReflowState.availableHeight);
else { // unconstrained percent case
nsRect rect;
aPresContext->GetVisibleArea(rect);
nscoord h = rect.height;
// now make it nicely fit counting margins
nsIFrame *containingBlock = nsnull;
if (NS_SUCCEEDED(GetContainingBlock(this, &containingBlock)) && containingBlock) {
containingBlock->GetRect(rect);
h -= 2*rect.y;
// XXX: this math seems suspect to me. Is the parent's margin really twice the x-offset?
// in CSS, a frame can have independent top and bottom margins
// but for now, let's just copy what we had before
}
aMetrics.height = NSToCoordRound (factor * h);
}
}
// accent
aMetrics.ascent = aMetrics.height;
if (aMetrics.width || aMetrics.height) {
// Make sure that the other dimension is non-zero
if (!aMetrics.width) aMetrics.width = 1;
if (!aMetrics.height) aMetrics.height = 1;
}
if (nsnull != aMetrics.maxElementSize) {
aMetrics.maxElementSize->width = aMetrics.width;
aMetrics.maxElementSize->height = aMetrics.height;
}
}
@ -820,13 +850,8 @@ nsObjectFrame::Reflow(nsIPresContext* aPresContext,
// Get our desired size
GetDesiredSize(aPresContext, aReflowState, aMetrics);
// initialize max element size if present
if (aMetrics.maxElementSize) {
aMetrics.maxElementSize->width = 0;
aMetrics.maxElementSize->height = 0;
}
// handle an image elsewhere
// handle an image or iframes elsewhere
nsIFrame * child = mFrames.FirstChild();
if(child != nsnull)
return HandleChild(aPresContext, aMetrics, aReflowState, aStatus, child);
@ -1474,7 +1499,6 @@ nsObjectFrame::DidReflow(nsIPresContext* aPresContext,
NS_RELEASE(inst);
}
//~~~
mInstanceOwner->ReleasePluginPort((nsPluginPort *)window->window);
if (mWidget)
@ -1495,25 +1519,163 @@ nsObjectFrame::Paint(nsIPresContext* aPresContext,
const nsRect& aDirtyRect,
nsFramePaintLayer aWhichLayer)
{
// determine if we are a printcontext
nsCOMPtr<nsIPrintContext> thePrinterContext = do_QueryInterface(aPresContext);
if (thePrinterContext) {
// we are printing bail for now
return NS_OK;
}
const nsStyleVisibility* vis = (const nsStyleVisibility*)mStyleContext->GetStyleData(eStyleStruct_Visibility);
if ((vis != nsnull) && !vis->IsVisibleOrCollapsed()) {
return NS_OK;
}
nsIFrame * child = mFrames.FirstChild();
if (child != NULL) { // This is an image
if (child) { // if we have children, we are probably not really a plugin
nsObjectFrameSuper::Paint(aPresContext, aRenderingContext, aDirtyRect, aWhichLayer);
return NS_OK;
}
// determine if we are printing
nsCOMPtr<nsIPrintContext> thePrinterContext = do_QueryInterface(aPresContext);
if (thePrinterContext) {
// we only want to print on the content layer pass
if (eFramePaintLayer_Content != aWhichLayer)
return NS_OK;
// if we are printing, we need to get the correct nsIPluginInstance
// for THIS content node in order to call ->Print() on the right plugin
// first, we need to get the document
nsCOMPtr<nsIDocument> doc;
mContent->GetDocument(*getter_AddRefs(doc));
NS_ENSURE_TRUE(doc, NS_ERROR_NULL_POINTER);
// now we need to get the shell for the screen
// XXX assuming that the shell at zero will always be the screen one
nsCOMPtr<nsIPresShell> shell;
doc->GetShellAt(0, getter_AddRefs(shell));
NS_ENSURE_TRUE(shell, NS_ERROR_NULL_POINTER);
// then the shell can give us the screen frame for this content node
nsIFrame* frame = nsnull;
shell->GetPrimaryFrameFor(mContent, &frame);
NS_ENSURE_TRUE(frame, NS_ERROR_NULL_POINTER);
// make sure this is REALLY an nsIObjectFrame
// we may need to go through the children to get it
nsIObjectFrame* objectFrame = nsnull;
CallQueryInterface(frame,&objectFrame);
if (!objectFrame)
GetNextObjectFrame(aPresContext,frame,&objectFrame);
NS_ENSURE_TRUE(objectFrame,NS_ERROR_FAILURE);
// finally we can get our plugin instance
nsCOMPtr<nsIPluginInstance> pi;
if (NS_FAILED(objectFrame->GetPluginInstance(*getter_AddRefs(pi))) || !pi)
return NS_ERROR_FAILURE;
// now we need to setup the correct location for printing
nsresult rv;
nsPluginWindow window;
nsIView *parentWithView;
nsPoint origin;
float t2p;
nsMargin margin(0,0,0,0);
window.window = nsnull;
// prepare embedded mode printing struct
nsPluginPrint npprint;
npprint.mode = nsPluginMode_Embedded;
// we need to find out if we are windowless or not
PRBool windowless;
pi->GetValue(nsPluginInstanceVariable_WindowlessBool, (void *)&windowless);
window.type = windowless ? nsPluginWindowType_Drawable : nsPluginWindowType_Window;
// get a few things
nsCOMPtr<nsIPrintOptions> printService = do_GetService(kPrintOptionsCID, &rv);
NS_ENSURE_TRUE(printService, NS_ERROR_FAILURE);
printService->GetMarginInTwips(margin);
aPresContext->GetTwipsToPixels(&t2p);
GetOffsetFromView(aPresContext, origin, &parentWithView);
// set it all up
// XXX is windowless different?
window.x = NSToCoordRound((origin.x + margin.left) * t2p);
window.y = NSToCoordRound((origin.y + margin.top ) * t2p);
window.width = NSToCoordRound(mRect.width * t2p);
window.height= NSToCoordRound(mRect.height * t2p);
window.clipRect.bottom = 0; window.clipRect.top = 0;
window.clipRect.left = 0; window.clipRect.right = 0;
// XXX platform specific printing code
#if defined(XP_MAC) && !TARGET_CARBON
// Mac does things a little differently.
GrafPort *curPort;
::GetPort(&curPort); // get the current port
nsPluginPort port;
port.port = (CGrafPort*)curPort;
port.portx = window.x;
port.porty = window.y;
RgnHandle curClip = ::NewRgn();
NS_ENSURE_TRUE(curClip, NS_ERROR_NULL_POINTER);
::GetClip(curClip); // save old clip
::SetOrigin(-window.x,-window.y); // port must be set correctly prior to telling plugin to print
Rect r = {0,0,window.height,window.width};
::ClipRect(&r); // also set the clip
window.window = &port;
npprint.print.embedPrint.platformPrint = (void*)window.window;
#elif defined (XP_UNIX)
// UNIX does things completely differently
PRUnichar *printfile = nsnull;
printService->GetToFileName(&printfile);
if (!printfile)
return NS_OK; // XXX what to do on UNIX when we don't have a PS file????
NPPrintCallbackStruct npPrintInfo;
npPrintInfo.type = NP_PRINT;
npPrintInfo.fp = (FILE*)printfile;
npprint.print.embedPrint.platformPrint = (void*) &npPrintInfo;
#else // Windows and non-UNIX, non-Mac(Classic) cases
// we need the native printer device context to pass to plugin
// On Windows, this will be the HDC
PRUint32 pDC = 0;
aRenderingContext.RetrieveCurrentNativeGraphicData(&pDC);
if (!pDC)
return NS_OK; // no dc implemented so quit
npprint.print.embedPrint.platformPrint = (void*)pDC;
#endif
npprint.print.embedPrint.window = window;
// send off print info to plugin
rv = pi->Print(&npprint);
#if defined(XP_MAC) && !TARGET_CARBON
// Clean-up on Mac
::SetOrigin(0,0);
::SetClip(curClip); // restore previous clip
::DisposeRgn(curClip);
#endif
// XXX Nav 4.x always sent a SetWindow call after print. Should we do the same?
nsCOMPtr<nsIPresContext> screenPcx;
shell->GetPresContext(getter_AddRefs(screenPcx));
nsDidReflowStatus status = NS_FRAME_REFLOW_FINISHED; // should we use a special status?
frame->DidReflow(screenPcx, status); // DidReflow will take care of it
return rv; // done with printing
}
// ---------------------------------------------------------------------------
// Screen painting code
#if defined (XP_MAC)
// delegate all painting to the plugin instance.
if ((NS_FRAME_PAINT_LAYER_FOREGROUND == aWhichLayer) && (nsnull != mInstanceOwner)) {
@ -1550,7 +1712,6 @@ nsObjectFrame::HandleEvent(nsIPresContext* aPresContext,
NS_ENSURE_ARG_POINTER(anEventStatus);
nsresult rv = NS_OK;
//~~~
//FIX FOR CRASHING WHEN NO INSTANCE OWVER
if (!mInstanceOwner)
return NS_ERROR_NULL_POINTER;
@ -1678,6 +1839,32 @@ nsObjectFrame::NotifyContentObjectWrapper()
return helper->PostCreate(wrapper, cx, obj);
}
nsresult
nsObjectFrame::GetNextObjectFrame(nsIPresContext* aPresContext,
nsIFrame* aRoot,
nsIObjectFrame** outFrame)
{
NS_ENSURE_ARG_POINTER(outFrame);
nsIFrame * child;
aRoot->FirstChild(aPresContext, nsnull, &child);
while (child != nsnull) {
*outFrame = nsnull;
CallQueryInterface(child, outFrame);
if (nsnull != *outFrame) {
nsCOMPtr<nsIPluginInstance> pi;
(*outFrame)->GetPluginInstance(*getter_AddRefs(pi)); // make sure we have a REAL plugin
if (pi) return NS_OK;
}
GetNextObjectFrame(aPresContext, child, outFrame);
child->GetNextSibling(&child);
}
return NS_ERROR_FAILURE;
}
nsresult
NS_NewObjectFrame(nsIPresShell* aPresShell, nsIFrame** aNewFrame)
{
@ -2625,9 +2812,8 @@ NS_IMETHODIMP nsPluginInstanceOwner::GetHeight(PRUint32 *result)
// it would indicate a serious error in the frame model if aContainingBlock were null when
// GetContainingBlock returns
nsresult
nsPluginInstanceOwner::GetContainingBlock(nsIFrame *aFrame,
nsIFrame **aContainingBlock)
static nsresult
GetContainingBlock(nsIFrame *aFrame, nsIFrame **aContainingBlock)
{
NS_ENSURE_ARG_POINTER(aFrame);
NS_ENSURE_ARG_POINTER(aContainingBlock);
@ -3008,7 +3194,6 @@ nsEventStatus nsPluginInstanceOwner::ProcessEvent(const nsGUIEvent& anEvent)
}
#endif
//~~~
#ifdef XP_WIN
nsPluginEvent * pPluginEvent = (nsPluginEvent *)anEvent.nativeMsg;
PRBool eventHandled = PR_FALSE;
@ -3119,7 +3304,6 @@ void nsPluginInstanceOwner::Paint(const nsRect& aDirtyRect, PRUint32 ndc)
}
#endif
//~~~
#ifdef XP_WIN
nsPluginEvent pluginEvent;
pluginEvent.event = 0x000F; //!!! This is bad, but is it better to include <windows.h> for WM_PAINT only?
@ -3251,7 +3435,7 @@ nsPluginPort* nsPluginInstanceOwner::GetPluginPort()
nsPluginPort* result = NULL;
if (mWidget != NULL)
{//~~~
{
#ifdef XP_WIN
if(mPluginWindow.type == nsPluginWindowType_Drawable)
result = (nsPluginPort*) mWidget->GetNativeData(NS_NATIVE_GRAPHIC);
@ -3262,7 +3446,6 @@ nsPluginPort* nsPluginInstanceOwner::GetPluginPort()
return result;
}
//~~~
void nsPluginInstanceOwner::ReleasePluginPort(nsPluginPort * pluginPort)
{
#ifdef XP_WIN
@ -3312,7 +3495,7 @@ NS_IMETHODIMP nsPluginInstanceOwner::CreateWidget(void)
if (PR_TRUE == windowless)
{
mPluginWindow.type = nsPluginWindowType_Drawable;
mPluginWindow.window = nsnull; //~~~ this needs to be a HDC according to the spec,
mPluginWindow.window = nsnull; // this needs to be a HDC according to the spec,
// but I do not see the right way to release it
// so let's postpone passing HDC till paint event
// when it is really needed. Change spec?

25
layout/generic/nsObjectFrame.h
View File

@ -85,6 +85,11 @@ public:
void IsSupportedImage(nsIContent* aContent, PRBool* aImage);
void IsSupportedDocument(nsIContent* aContent, PRBool* aDoc);
// for a given aRoot, this walks the frame tree looking for the next outFrame
nsresult GetNextObjectFrame(nsIPresContext* aPresContext,
nsIFrame* aRoot,
nsIObjectFrame** outFrame);
nsIPresContext *mPresContext; // weak ref
protected:
// nsISupports
@ -103,17 +108,17 @@ protected:
nsresult SetFullURL(nsIURI* aURL);
nsresult InstantiateWidget(nsIPresContext* aPresContext,
nsHTMLReflowMetrics& aMetrics,
const nsHTMLReflowState& aReflowState,
nsCID aWidgetCID);
nsHTMLReflowMetrics& aMetrics,
const nsHTMLReflowState& aReflowState,
nsCID aWidgetCID);
nsresult InstantiatePlugin(nsIPresContext* aPresContext,
nsHTMLReflowMetrics& aMetrics,
const nsHTMLReflowState& aReflowState,
nsIPluginHost* aPluginHost,
const char* aMimetype,
nsIURI* aURL);
//~~~
nsHTMLReflowMetrics& aMetrics,
const nsHTMLReflowState& aReflowState,
nsIPluginHost* aPluginHost,
const char* aMimetype,
nsIURI* aURL);
nsresult ReinstantiatePlugin(nsIPresContext* aPresContext,
nsHTMLReflowMetrics& aMetrics,
const nsHTMLReflowState& aReflowState);
@ -134,7 +139,7 @@ private:
nsPluginInstanceOwner *mInstanceOwner;
nsIURI *mFullURL;
nsIFrame *mFirstChild;
nsIWidget *mWidget;
nsIWidget *mWidget;
};

365
layout/html/base/src/nsObjectFrame.cpp
View File

@ -74,6 +74,10 @@
#include "nsIRenderingContext.h"
#include "nsIContentViewer.h"
#include "nsIDocShell.h"
#include "npapi.h"
#include "nsIPrintOptions.h"
#include "nsGfxCIID.h"
static NS_DEFINE_CID(kPrintOptionsCID, NS_PRINTOPTIONS_CID);
// headers for plugin scriptability
#include "nsIScriptGlobalObject.h"
@ -89,7 +93,7 @@
// XXX For temporary paint code
#include "nsIStyleContext.h"
//~~~ For mime types
// For mime types
#include "nsMimeTypes.h"
#include "nsIMIMEService.h"
#include "nsCExternalHandlerService.h"
@ -110,6 +114,7 @@ static NS_DEFINE_CID(kPrefServiceCID, NS_PREF_CID);
#undef KeyPress
#endif
static nsresult GetContainingBlock(nsIFrame *aFrame, nsIFrame **aContainingBlock);
class nsPluginInstanceOwner : public nsIPluginInstanceOwner,
public nsIPluginTagInfo2,
@ -247,10 +252,8 @@ public:
NS_IMETHOD Init(nsIPresContext *aPresContext, nsObjectFrame *aFrame);
nsresult GetContainingBlock(nsIFrame *aFrame, nsIFrame **aContainingBlock);
nsPluginPort* GetPluginPort();
void ReleasePluginPort(nsPluginPort * pluginPort);//~~~
void ReleasePluginPort(nsPluginPort * pluginPort);
void SetPluginHost(nsIPluginHost* aHost);
@ -353,7 +356,6 @@ nsObjectFrame::GetSkipSides() const
return 0;
}
//~~~
#define IMAGE_EXT_GIF "gif"
#define IMAGE_EXT_JPG "jpg"
#define IMAGE_EXT_PNG "png"
@ -742,68 +744,96 @@ nsObjectFrame::GetDesiredSize(nsIPresContext* aPresContext,
const nsHTMLReflowState& aReflowState,
nsHTMLReflowMetrics& aMetrics)
{
// Determine our size stylistically
PRBool haveWidth = PR_FALSE;
PRBool haveHeight = PR_FALSE;
PRUint32 width = EMBED_DEF_WIDTH;
PRUint32 height = EMBED_DEF_HEIGHT;
if (IsHidden()) {
// If we're hidden, then width and height are zero.
haveWidth = haveHeight = PR_TRUE;
aMetrics.width = aMetrics.height = 0;
}
else {
if (NS_UNCONSTRAINEDSIZE != aReflowState.mComputedWidth) {
aMetrics.width = aReflowState.mComputedWidth;
haveWidth = PR_TRUE;
}
else if(mInstanceOwner != nsnull) {
if(NS_OK != mInstanceOwner->GetWidth(&width)) {
width = EMBED_DEF_WIDTH;
haveWidth = PR_FALSE;
}
else
haveWidth = PR_FALSE;
}
if (NS_UNCONSTRAINEDSIZE != aReflowState.mComputedHeight) {
aMetrics.height = aReflowState.mComputedHeight;
haveHeight = PR_TRUE;
}
else if(mInstanceOwner != nsnull) {
if(NS_OK != mInstanceOwner->GetHeight(&height)) {
height = EMBED_DEF_HEIGHT;
haveHeight = PR_FALSE;
}
else
haveHeight = PR_FALSE;
}
}
// XXX Temporary auto-sizing logic
if (!haveWidth) {
if (haveHeight) {
aMetrics.width = aMetrics.height;
}
else {
float p2t;
aPresContext->GetScaledPixelsToTwips(&p2t);
aMetrics.width = NSIntPixelsToTwips(width, p2t);
}
}
if (!haveHeight) {
if (haveWidth) {
aMetrics.height = aMetrics.width;
}
else {
float p2t;
aPresContext->GetScaledPixelsToTwips(&p2t);
aMetrics.height = NSIntPixelsToTwips(height, p2t);
}
}
aMetrics.ascent = aMetrics.height;
// By default, we have no area
aMetrics.width = 0;
aMetrics.height = 0;
aMetrics.ascent = 0;
aMetrics.descent = 0;
// for EMBED and APPLET, default to 240x200 for compatibility
nsIAtom *atom;
mContent->GetTag(atom);
if ( nsnull != atom &&
((atom == nsHTMLAtoms::applet) || (atom == nsHTMLAtoms::embed))) {
float p2t;
aPresContext->GetScaledPixelsToTwips(&p2t);
aMetrics.width = NSIntPixelsToTwips(EMBED_DEF_WIDTH, p2t);
aMetrics.height = NSIntPixelsToTwips(EMBED_DEF_HEIGHT, p2t);
}
// now find out size stylisticly
const nsStylePosition* position;
GetStyleData(eStyleStruct_Position, (const nsStyleStruct*&)position);
// width
nsStyleUnit unit = position->mWidth.GetUnit();
if (eStyleUnit_Coord == unit) {
aMetrics.width = position->mWidth.GetCoordValue();
}
else if (eStyleUnit_Percent == unit)
{
float factor = position->mWidth.GetPercentValue();
if (NS_UNCONSTRAINEDSIZE != aReflowState.availableWidth)
aMetrics.width = NSToCoordRound (factor * aReflowState.availableWidth);
else { // unconstrained percent case
nsRect rect;
aPresContext->GetVisibleArea(rect);
nscoord w = rect.width;
// now make it nicely fit counting margins
nsIFrame *containingBlock = nsnull;
if (NS_SUCCEEDED(GetContainingBlock(this, &containingBlock)) && containingBlock) {
containingBlock->GetRect(rect);
w -= 2*rect.x;
// XXX: this math seems suspect to me. Is the parent's margin really twice the x-offset?
// in CSS, a frame can have independent top and bottom margins
// but for now, let's just copy what we had before
}
aMetrics.width = NSToCoordRound (factor * w);
}
}
// height
unit = position->mHeight.GetUnit();
if (eStyleUnit_Coord == unit) {
aMetrics.height = position->mHeight.GetCoordValue();
}
else if (eStyleUnit_Percent == unit)
{
float factor = position->mHeight.GetPercentValue();
if (NS_UNCONSTRAINEDSIZE != aReflowState.availableHeight)
aMetrics.height = NSToCoordRound (factor * aReflowState.availableHeight);
else { // unconstrained percent case
nsRect rect;
aPresContext->GetVisibleArea(rect);
nscoord h = rect.height;
// now make it nicely fit counting margins
nsIFrame *containingBlock = nsnull;
if (NS_SUCCEEDED(GetContainingBlock(this, &containingBlock)) && containingBlock) {
containingBlock->GetRect(rect);
h -= 2*rect.y;
// XXX: this math seems suspect to me. Is the parent's margin really twice the x-offset?
// in CSS, a frame can have independent top and bottom margins
// but for now, let's just copy what we had before
}
aMetrics.height = NSToCoordRound (factor * h);
}
}
// accent
aMetrics.ascent = aMetrics.height;
if (aMetrics.width || aMetrics.height) {
// Make sure that the other dimension is non-zero
if (!aMetrics.width) aMetrics.width = 1;
if (!aMetrics.height) aMetrics.height = 1;
}
if (nsnull != aMetrics.maxElementSize) {
aMetrics.maxElementSize->width = aMetrics.width;
aMetrics.maxElementSize->height = aMetrics.height;
}
}
@ -820,13 +850,8 @@ nsObjectFrame::Reflow(nsIPresContext* aPresContext,
// Get our desired size
GetDesiredSize(aPresContext, aReflowState, aMetrics);
// initialize max element size if present
if (aMetrics.maxElementSize) {
aMetrics.maxElementSize->width = 0;
aMetrics.maxElementSize->height = 0;
}
// handle an image elsewhere
// handle an image or iframes elsewhere
nsIFrame * child = mFrames.FirstChild();
if(child != nsnull)
return HandleChild(aPresContext, aMetrics, aReflowState, aStatus, child);
@ -1474,7 +1499,6 @@ nsObjectFrame::DidReflow(nsIPresContext* aPresContext,
NS_RELEASE(inst);
}
//~~~
mInstanceOwner->ReleasePluginPort((nsPluginPort *)window->window);
if (mWidget)
@ -1495,25 +1519,163 @@ nsObjectFrame::Paint(nsIPresContext* aPresContext,
const nsRect& aDirtyRect,
nsFramePaintLayer aWhichLayer)
{
// determine if we are a printcontext
nsCOMPtr<nsIPrintContext> thePrinterContext = do_QueryInterface(aPresContext);
if (thePrinterContext) {
// we are printing bail for now
return NS_OK;
}
const nsStyleVisibility* vis = (const nsStyleVisibility*)mStyleContext->GetStyleData(eStyleStruct_Visibility);
if ((vis != nsnull) && !vis->IsVisibleOrCollapsed()) {
return NS_OK;
}
nsIFrame * child = mFrames.FirstChild();
if (child != NULL) { // This is an image
if (child) { // if we have children, we are probably not really a plugin
nsObjectFrameSuper::Paint(aPresContext, aRenderingContext, aDirtyRect, aWhichLayer);
return NS_OK;
}
// determine if we are printing
nsCOMPtr<nsIPrintContext> thePrinterContext = do_QueryInterface(aPresContext);
if (thePrinterContext) {
// we only want to print on the content layer pass
if (eFramePaintLayer_Content != aWhichLayer)
return NS_OK;
// if we are printing, we need to get the correct nsIPluginInstance
// for THIS content node in order to call ->Print() on the right plugin
// first, we need to get the document
nsCOMPtr<nsIDocument> doc;
mContent->GetDocument(*getter_AddRefs(doc));
NS_ENSURE_TRUE(doc, NS_ERROR_NULL_POINTER);
// now we need to get the shell for the screen
// XXX assuming that the shell at zero will always be the screen one
nsCOMPtr<nsIPresShell> shell;
doc->GetShellAt(0, getter_AddRefs(shell));
NS_ENSURE_TRUE(shell, NS_ERROR_NULL_POINTER);
// then the shell can give us the screen frame for this content node
nsIFrame* frame = nsnull;
shell->GetPrimaryFrameFor(mContent, &frame);
NS_ENSURE_TRUE(frame, NS_ERROR_NULL_POINTER);
// make sure this is REALLY an nsIObjectFrame
// we may need to go through the children to get it
nsIObjectFrame* objectFrame = nsnull;
CallQueryInterface(frame,&objectFrame);
if (!objectFrame)
GetNextObjectFrame(aPresContext,frame,&objectFrame);
NS_ENSURE_TRUE(objectFrame,NS_ERROR_FAILURE);
// finally we can get our plugin instance
nsCOMPtr<nsIPluginInstance> pi;
if (NS_FAILED(objectFrame->GetPluginInstance(*getter_AddRefs(pi))) || !pi)
return NS_ERROR_FAILURE;
// now we need to setup the correct location for printing
nsresult rv;
nsPluginWindow window;
nsIView *parentWithView;
nsPoint origin;
float t2p;
nsMargin margin(0,0,0,0);
window.window = nsnull;
// prepare embedded mode printing struct
nsPluginPrint npprint;
npprint.mode = nsPluginMode_Embedded;
// we need to find out if we are windowless or not
PRBool windowless;
pi->GetValue(nsPluginInstanceVariable_WindowlessBool, (void *)&windowless);
window.type = windowless ? nsPluginWindowType_Drawable : nsPluginWindowType_Window;
// get a few things
nsCOMPtr<nsIPrintOptions> printService = do_GetService(kPrintOptionsCID, &rv);
NS_ENSURE_TRUE(printService, NS_ERROR_FAILURE);
printService->GetMarginInTwips(margin);
aPresContext->GetTwipsToPixels(&t2p);
GetOffsetFromView(aPresContext, origin, &parentWithView);
// set it all up
// XXX is windowless different?
window.x = NSToCoordRound((origin.x + margin.left) * t2p);
window.y = NSToCoordRound((origin.y + margin.top ) * t2p);
window.width = NSToCoordRound(mRect.width * t2p);
window.height= NSToCoordRound(mRect.height * t2p);
window.clipRect.bottom = 0; window.clipRect.top = 0;
window.clipRect.left = 0; window.clipRect.right = 0;
// XXX platform specific printing code
#if defined(XP_MAC) && !TARGET_CARBON
// Mac does things a little differently.
GrafPort *curPort;
::GetPort(&curPort); // get the current port
nsPluginPort port;
port.port = (CGrafPort*)curPort;
port.portx = window.x;
port.porty = window.y;
RgnHandle curClip = ::NewRgn();
NS_ENSURE_TRUE(curClip, NS_ERROR_NULL_POINTER);
::GetClip(curClip); // save old clip
::SetOrigin(-window.x,-window.y); // port must be set correctly prior to telling plugin to print
Rect r = {0,0,window.height,window.width};
::ClipRect(&r); // also set the clip
window.window = &port;
npprint.print.embedPrint.platformPrint = (void*)window.window;
#elif defined (XP_UNIX)
// UNIX does things completely differently
PRUnichar *printfile = nsnull;
printService->GetToFileName(&printfile);
if (!printfile)
return NS_OK; // XXX what to do on UNIX when we don't have a PS file????
NPPrintCallbackStruct npPrintInfo;
npPrintInfo.type = NP_PRINT;
npPrintInfo.fp = (FILE*)printfile;
npprint.print.embedPrint.platformPrint = (void*) &npPrintInfo;
#else // Windows and non-UNIX, non-Mac(Classic) cases
// we need the native printer device context to pass to plugin
// On Windows, this will be the HDC
PRUint32 pDC = 0;
aRenderingContext.RetrieveCurrentNativeGraphicData(&pDC);
if (!pDC)
return NS_OK; // no dc implemented so quit
npprint.print.embedPrint.platformPrint = (void*)pDC;
#endif
npprint.print.embedPrint.window = window;
// send off print info to plugin
rv = pi->Print(&npprint);
#if defined(XP_MAC) && !TARGET_CARBON
// Clean-up on Mac
::SetOrigin(0,0);
::SetClip(curClip); // restore previous clip
::DisposeRgn(curClip);
#endif
// XXX Nav 4.x always sent a SetWindow call after print. Should we do the same?
nsCOMPtr<nsIPresContext> screenPcx;
shell->GetPresContext(getter_AddRefs(screenPcx));
nsDidReflowStatus status = NS_FRAME_REFLOW_FINISHED; // should we use a special status?
frame->DidReflow(screenPcx, status); // DidReflow will take care of it
return rv; // done with printing
}
// ---------------------------------------------------------------------------
// Screen painting code
#if defined (XP_MAC)
// delegate all painting to the plugin instance.
if ((NS_FRAME_PAINT_LAYER_FOREGROUND == aWhichLayer) && (nsnull != mInstanceOwner)) {
@ -1550,7 +1712,6 @@ nsObjectFrame::HandleEvent(nsIPresContext* aPresContext,
NS_ENSURE_ARG_POINTER(anEventStatus);
nsresult rv = NS_OK;
//~~~
//FIX FOR CRASHING WHEN NO INSTANCE OWVER
if (!mInstanceOwner)
return NS_ERROR_NULL_POINTER;
@ -1678,6 +1839,32 @@ nsObjectFrame::NotifyContentObjectWrapper()
return helper->PostCreate(wrapper, cx, obj);
}
nsresult
nsObjectFrame::GetNextObjectFrame(nsIPresContext* aPresContext,
nsIFrame* aRoot,
nsIObjectFrame** outFrame)
{
NS_ENSURE_ARG_POINTER(outFrame);
nsIFrame * child;
aRoot->FirstChild(aPresContext, nsnull, &child);
while (child != nsnull) {
*outFrame = nsnull;
CallQueryInterface(child, outFrame);
if (nsnull != *outFrame) {
nsCOMPtr<nsIPluginInstance> pi;
(*outFrame)->GetPluginInstance(*getter_AddRefs(pi)); // make sure we have a REAL plugin
if (pi) return NS_OK;
}
GetNextObjectFrame(aPresContext, child, outFrame);
child->GetNextSibling(&child);
}
return NS_ERROR_FAILURE;
}
nsresult
NS_NewObjectFrame(nsIPresShell* aPresShell, nsIFrame** aNewFrame)
{
@ -2625,9 +2812,8 @@ NS_IMETHODIMP nsPluginInstanceOwner::GetHeight(PRUint32 *result)
// it would indicate a serious error in the frame model if aContainingBlock were null when
// GetContainingBlock returns
nsresult
nsPluginInstanceOwner::GetContainingBlock(nsIFrame *aFrame,
nsIFrame **aContainingBlock)
static nsresult
GetContainingBlock(nsIFrame *aFrame, nsIFrame **aContainingBlock)
{
NS_ENSURE_ARG_POINTER(aFrame);
NS_ENSURE_ARG_POINTER(aContainingBlock);
@ -3008,7 +3194,6 @@ nsEventStatus nsPluginInstanceOwner::ProcessEvent(const nsGUIEvent& anEvent)
}
#endif
//~~~
#ifdef XP_WIN
nsPluginEvent * pPluginEvent = (nsPluginEvent *)anEvent.nativeMsg;
PRBool eventHandled = PR_FALSE;
@ -3119,7 +3304,6 @@ void nsPluginInstanceOwner::Paint(const nsRect& aDirtyRect, PRUint32 ndc)
}
#endif
//~~~
#ifdef XP_WIN
nsPluginEvent pluginEvent;
pluginEvent.event = 0x000F; //!!! This is bad, but is it better to include <windows.h> for WM_PAINT only?
@ -3251,7 +3435,7 @@ nsPluginPort* nsPluginInstanceOwner::GetPluginPort()
nsPluginPort* result = NULL;
if (mWidget != NULL)
{//~~~
{
#ifdef XP_WIN
if(mPluginWindow.type == nsPluginWindowType_Drawable)
result = (nsPluginPort*) mWidget->GetNativeData(NS_NATIVE_GRAPHIC);
@ -3262,7 +3446,6 @@ nsPluginPort* nsPluginInstanceOwner::GetPluginPort()
return result;
}
//~~~
void nsPluginInstanceOwner::ReleasePluginPort(nsPluginPort * pluginPort)
{
#ifdef XP_WIN
@ -3312,7 +3495,7 @@ NS_IMETHODIMP nsPluginInstanceOwner::CreateWidget(void)
if (PR_TRUE == windowless)
{
mPluginWindow.type = nsPluginWindowType_Drawable;
mPluginWindow.window = nsnull; //~~~ this needs to be a HDC according to the spec,
mPluginWindow.window = nsnull; // this needs to be a HDC according to the spec,
// but I do not see the right way to release it
// so let's postpone passing HDC till paint event
// when it is really needed. Change spec?

25
layout/html/base/src/nsObjectFrame.h
View File

@ -85,6 +85,11 @@ public:
void IsSupportedImage(nsIContent* aContent, PRBool* aImage);
void IsSupportedDocument(nsIContent* aContent, PRBool* aDoc);
// for a given aRoot, this walks the frame tree looking for the next outFrame
nsresult GetNextObjectFrame(nsIPresContext* aPresContext,
nsIFrame* aRoot,
nsIObjectFrame** outFrame);
nsIPresContext *mPresContext; // weak ref
protected:
// nsISupports
@ -103,17 +108,17 @@ protected:
nsresult SetFullURL(nsIURI* aURL);
nsresult InstantiateWidget(nsIPresContext* aPresContext,
nsHTMLReflowMetrics& aMetrics,
const nsHTMLReflowState& aReflowState,
nsCID aWidgetCID);
nsHTMLReflowMetrics& aMetrics,
const nsHTMLReflowState& aReflowState,
nsCID aWidgetCID);
nsresult InstantiatePlugin(nsIPresContext* aPresContext,
nsHTMLReflowMetrics& aMetrics,
const nsHTMLReflowState& aReflowState,
nsIPluginHost* aPluginHost,
const char* aMimetype,
nsIURI* aURL);
//~~~
nsHTMLReflowMetrics& aMetrics,
const nsHTMLReflowState& aReflowState,
nsIPluginHost* aPluginHost,
const char* aMimetype,
nsIURI* aURL);
nsresult ReinstantiatePlugin(nsIPresContext* aPresContext,
nsHTMLReflowMetrics& aMetrics,
const nsHTMLReflowState& aReflowState);
@ -134,7 +139,7 @@ private:
nsPluginInstanceOwner *mInstanceOwner;
nsIURI *mFullURL;
nsIFrame *mFirstChild;
nsIWidget *mWidget;
nsIWidget *mWidget;
};

21
modules/plugin/base/src/ns4xPluginInstance.cpp
View File

@ -964,6 +964,27 @@ nsresult ns4xPluginInstance::NewNotifyStream(nsIPluginStreamListener** listener,
NS_IMETHODIMP ns4xPluginInstance::Print(nsPluginPrint* platformPrint)
{
NS_ENSURE_TRUE(platformPrint, NS_ERROR_NULL_POINTER);
NPPrint* thePrint = (NPPrint *)platformPrint;
NS_TRY_SAFE_CALL_VOID(CallNPP_PrintProc(fCallbacks->print,
&fNPP,
thePrint), fLibrary);
NPP_PLUGIN_LOG(PLUGIN_LOG_NORMAL,
("NPP PrintProc called: this=%p, pDC=%p, [x=%d,y=%d,w=%d,h=%d], clip[t=%d,b=%d,l=%d,r=%d]\n",
this,
platformPrint->print.embedPrint.platformPrint,
platformPrint->print.embedPrint.window.x,
platformPrint->print.embedPrint.window.y,
platformPrint->print.embedPrint.window.width,
platformPrint->print.embedPrint.window.height,
platformPrint->print.embedPrint.window.clipRect.top,
platformPrint->print.embedPrint.window.clipRect.bottom,
platformPrint->print.embedPrint.window.clipRect.left,
platformPrint->print.embedPrint.window.clipRect.right));
return NS_OK;
}