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gecko-dev/layout/generic/nsObjectFrame.cpp

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is Mozilla Communicator client code.
*
* The Initial Developer of the Original Code is Netscape Communications
* Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*/
#include "nsCOMPtr.h"
#include "nsHTMLParts.h"
#include "nsHTMLContainerFrame.h"
#include "nsIPresContext.h"
#include "nsIPresShell.h"
#include "nsWidgetsCID.h"
#include "nsViewsCID.h"
#include "nsIView.h"
#include "nsIViewManager.h"
#include "nsIPluginHost.h"
#include "nsplugin.h"
#include "nsString.h"
#include "prmem.h"
#include "nsHTMLAtoms.h"
#include "nsIDocument.h"
#include "nsIURL.h"
#include "nsNeckoUtil.h"
#include "nsIPluginInstanceOwner.h"
#include "nsIHTMLContent.h"
#include "nsISupportsArray.h"
#include "plstr.h"
#include "nsILinkHandler.h"
#include "nsIJVMPluginTagInfo.h"
#include "nsIWebShell.h"
#include "nsIInterfaceRequestor.h"
#include "nsIBrowserWindow.h"
#include "nsINameSpaceManager.h"
#include "nsIEventListener.h"
#include "nsITimer.h"
#include "nsITimerCallback.h"
#include "nsLayoutAtoms.h"
// XXX For temporary paint code
#include "nsIStyleContext.h"
//~~~ For image mime types
#include "net.h"
class nsObjectFrame;
class nsPluginInstanceOwner : public nsIPluginInstanceOwner,
public nsIPluginTagInfo2,
public nsIJVMPluginTagInfo,
public nsIEventListener,
public nsITimerCallback
{
public:
nsPluginInstanceOwner();
virtual ~nsPluginInstanceOwner();
NS_DECL_ISUPPORTS
//nsIPluginInstanceOwner interface
NS_IMETHOD SetInstance(nsIPluginInstance *aInstance);
NS_IMETHOD GetInstance(nsIPluginInstance *&aInstance);
NS_IMETHOD GetWindow(nsPluginWindow *&aWindow);
NS_IMETHOD GetMode(nsPluginMode *aMode);
NS_IMETHOD CreateWidget(void);
NS_IMETHOD GetURL(const char *aURL, const char *aTarget, void *aPostData);
NS_IMETHOD ShowStatus(const char *aStatusMsg);
NS_IMETHOD GetDocument(nsIDocument* *aDocument);
//nsIPluginTagInfo interface
NS_IMETHOD GetAttributes(PRUint16& n, const char*const*& names,
const char*const*& values);
NS_IMETHOD GetAttribute(const char* name, const char* *result);
//nsIPluginTagInfo2 interface
NS_IMETHOD GetTagType(nsPluginTagType *result);
NS_IMETHOD GetTagText(const char* *result);
NS_IMETHOD GetParameters(PRUint16& n, const char*const*& names, const char*const*& values);
NS_IMETHOD GetParameter(const char* name, const char* *result);
NS_IMETHOD GetDocumentBase(const char* *result);
NS_IMETHOD GetDocumentEncoding(const char* *result);
NS_IMETHOD GetAlignment(const char* *result);
NS_IMETHOD GetWidth(PRUint32 *result);
NS_IMETHOD GetHeight(PRUint32 *result);
NS_IMETHOD GetBorderVertSpace(PRUint32 *result);
NS_IMETHOD GetBorderHorizSpace(PRUint32 *result);
NS_IMETHOD GetUniqueID(PRUint32 *result);
//nsIJVMPluginTagInfo interface
NS_IMETHOD GetCode(const char* *result);
NS_IMETHOD GetCodeBase(const char* *result);
NS_IMETHOD GetArchive(const char* *result);
NS_IMETHOD GetName(const char* *result);
NS_IMETHOD GetMayScript(PRBool *result);
//nsIEventListener interface
nsEventStatus ProcessEvent(const nsGUIEvent & anEvent);
void Paint(const nsRect& aDirtyRect, PRUint32 ndc = nsnull);
// nsITimerCallback interface
virtual void Notify(nsITimer *timer);
void CancelTimer();
//locals
NS_IMETHOD Init(nsIPresContext *aPresContext, nsObjectFrame *aFrame);
nsPluginPort* GetPluginPort();
void ReleasePluginPort(nsPluginPort * pluginPort);//~~~
void SetPluginHost(nsIPluginHost* aHost);
private:
nsPluginWindow mPluginWindow;
nsIPluginInstance *mInstance;
nsObjectFrame *mOwner;
PRInt32 mNumAttrs;
char **mAttrNames;
char **mAttrVals;
PRInt32 mNumParams;
char **mParamNames;
char **mParamVals;
char *mDocumentBase;
nsIWidget *mWidget;
nsIPresContext *mContext;
nsITimer *mPluginTimer;
nsIPluginHost *mPluginHost;
};
#define nsObjectFrameSuper nsHTMLContainerFrame
class nsObjectFrame : public nsObjectFrameSuper {
public:
NS_IMETHOD SetInitialChildList(nsIPresContext& aPresContext,
nsIAtom* aListName,
nsIFrame* aChildList);
NS_IMETHOD Init(nsIPresContext& aPresContext,
nsIContent* aContent,
nsIFrame* aParent,
nsIStyleContext* aContext,
nsIFrame* aPrevInFlow);
NS_IMETHOD Reflow(nsIPresContext& aPresContext,
nsHTMLReflowMetrics& aDesiredSize,
const nsHTMLReflowState& aReflowState,
nsReflowStatus& aStatus);
NS_IMETHOD DidReflow(nsIPresContext& aPresContext,
nsDidReflowStatus aStatus);
NS_IMETHOD Paint(nsIPresContext& aPresContext,
nsIRenderingContext& aRenderingContext,
const nsRect& aDirtyRect,
nsFramePaintLayer aWhichLayer);
NS_IMETHOD HandleEvent(nsIPresContext& aPresContext,
nsGUIEvent* aEvent,
nsEventStatus& aEventStatus);
NS_IMETHOD Scrolled(nsIView *aView);
NS_IMETHOD GetFrameType(nsIAtom** aType) const;
#ifdef DEBUG
NS_IMETHOD GetFrameName(nsString& aResult) const;
#endif
NS_IMETHOD ContentChanged(nsIPresContext* aPresContext,
nsIContent* aChild,
nsISupports* aSubContent);
//local methods
nsresult CreateWidget(nsIPresContext* aPresContext,
nscoord aWidth,
nscoord aHeight,
PRBool aViewOnly);
nsresult GetFullURL(nsIURI*& aFullURL);
nsresult GetPluginInstance(nsIPluginInstance*& aPluginInstance);
void IsSupportedImage(nsIContent* aContent, PRBool* aImage);
protected:
virtual ~nsObjectFrame();
virtual PRIntn GetSkipSides() const;
virtual void GetDesiredSize(nsIPresContext* aPresContext,
const nsHTMLReflowState& aReflowState,
nsHTMLReflowMetrics& aDesiredSize);
nsresult SetFullURL(nsIURI* aURL);
nsresult InstantiateWidget(nsIPresContext& aPresContext,
nsHTMLReflowMetrics& aMetrics,
const nsHTMLReflowState& aReflowState,
nsCID aWidgetCID);
nsresult InstantiatePlugin(nsIPresContext& aPresContext,
nsHTMLReflowMetrics& aMetrics,
const nsHTMLReflowState& aReflowState,
nsIPluginHost* aPluginHost,
const char* aMimetype,
nsIURI* aURL);
//~~~
nsresult ReinstantiatePlugin(nsIPresContext& aPresContext,
nsHTMLReflowMetrics& aMetrics,
const nsHTMLReflowState& aReflowState);
nsresult HandleImage(nsIPresContext& aPresContext,
nsHTMLReflowMetrics& aMetrics,
const nsHTMLReflowState& aReflowState,
nsReflowStatus& aStatus,
nsIFrame* child);
nsresult GetBaseURL(nsIURI* &aURL);
private:
nsPluginInstanceOwner *mInstanceOwner;
nsIURI *mFullURL;
nsIFrame *mFirstChild;
nsIWidget *mWidget;
};
nsObjectFrame::~nsObjectFrame()
{
// beard: stop the timer explicitly to reduce reference count.
if (nsnull != mInstanceOwner)
mInstanceOwner->CancelTimer();
NS_IF_RELEASE(mWidget);
NS_IF_RELEASE(mInstanceOwner);
NS_IF_RELEASE(mFullURL);
}
static NS_DEFINE_IID(kISupportsIID, NS_ISUPPORTS_IID);
static NS_DEFINE_IID(kViewCID, NS_VIEW_CID);
static NS_DEFINE_IID(kIViewIID, NS_IVIEW_IID);
static NS_DEFINE_IID(kWidgetCID, NS_CHILD_CID);
static NS_DEFINE_IID(kIHTMLContentIID, NS_IHTMLCONTENT_IID);
static NS_DEFINE_IID(kILinkHandlerIID, NS_ILINKHANDLER_IID);
static NS_DEFINE_IID(kCAppShellCID, NS_APPSHELL_CID);
static NS_DEFINE_IID(kIPluginHostIID, NS_IPLUGINHOST_IID);
static NS_DEFINE_IID(kIContentViewerContainerIID, NS_ICONTENT_VIEWER_CONTAINER_IID);
PRIntn
nsObjectFrame::GetSkipSides() const
{
return 0;
}
//~~~
#define IMAGE_EXT_GIF "gif"
#define IMAGE_EXT_JPG "jpg"
#define IMAGE_EXT_PNG "png"
#define IMAGE_EXT_XBM "xbm"
void nsObjectFrame::IsSupportedImage(nsIContent* aContent, PRBool* aImage)
{
*aImage = PR_FALSE;
if(aContent == NULL)
return;
nsAutoString type;
nsresult rv = aContent->GetAttribute(kNameSpaceID_HTML, nsHTMLAtoms::type, type);
if((rv == NS_CONTENT_ATTR_HAS_VALUE) && (type.Length() > 0))
{
// should be really call to imlib
if(type.EqualsIgnoreCase(IMAGE_GIF) ||
type.EqualsIgnoreCase(IMAGE_JPG) ||
type.EqualsIgnoreCase(IMAGE_PJPG)||
type.EqualsIgnoreCase(IMAGE_PNG) ||
type.EqualsIgnoreCase(IMAGE_PPM) ||
type.EqualsIgnoreCase(IMAGE_XBM) ||
type.EqualsIgnoreCase(IMAGE_XBM2)||
type.EqualsIgnoreCase(IMAGE_XBM3))
{
*aImage = PR_TRUE;
}
return;
}
nsAutoString data;
rv = aContent->GetAttribute(kNameSpaceID_HTML, nsHTMLAtoms::data, data);
if((rv == NS_CONTENT_ATTR_HAS_VALUE) && (data.Length() > 0))
{
// should be really call to imlib
nsAutoString ext;
PRInt32 iLastCharOffset = data.Length() - 1;
PRInt32 iPointOffset = data.RFindChar('.');
if(iPointOffset != -1)
{
data.Mid(ext, iPointOffset + 1, iLastCharOffset - iPointOffset);
if(ext.EqualsIgnoreCase(IMAGE_EXT_GIF) ||
ext.EqualsIgnoreCase(IMAGE_EXT_JPG) ||
ext.EqualsIgnoreCase(IMAGE_EXT_PNG) ||
ext.EqualsIgnoreCase(IMAGE_EXT_XBM))
{
*aImage = PR_TRUE;
}
}
return;
}
}
NS_IMETHODIMP nsObjectFrame::SetInitialChildList(nsIPresContext& aPresContext,
nsIAtom* aListName,
nsIFrame* aChildList)
{
// we don't want to call this if it is already set (image)
nsresult rv = NS_OK;
if(mFrames.IsEmpty())
rv = nsObjectFrameSuper::SetInitialChildList(aPresContext, aListName, aChildList);
return rv;
}
NS_IMETHODIMP
nsObjectFrame::Init(nsIPresContext& aPresContext,
nsIContent* aContent,
nsIFrame* aParent,
nsIStyleContext* aContext,
nsIFrame* aPrevInFlow)
{
nsresult rv = nsObjectFrameSuper::Init(aPresContext, aContent, aParent, aContext, aPrevInFlow);
if(rv != NS_OK)
return rv;
PRBool bImage = PR_FALSE;
//Ideally should be call to imlib, when it is available
// and even move this code to Reflow when the stream starts to come
IsSupportedImage(aContent, &bImage);
if(bImage)
{
nsIFrame * aNewFrame = nsnull;
rv = NS_NewImageFrame(&aNewFrame);
if(rv != NS_OK)
return rv;
rv = aNewFrame->Init(aPresContext, aContent, this, aContext, aPrevInFlow);
if(rv == NS_OK)
{
nsHTMLContainerFrame::CreateViewForFrame(aPresContext, aNewFrame, aContext, PR_FALSE);
mFrames.AppendFrame(this, aNewFrame);
}
else
aNewFrame->Destroy(aPresContext);
}
return rv;
}
NS_IMETHODIMP
nsObjectFrame::GetFrameType(nsIAtom** aType) const
{
NS_PRECONDITION(nsnull != aType, "null OUT parameter pointer");
*aType = nsLayoutAtoms::objectFrame;
NS_ADDREF(*aType);
return NS_OK;
}
#ifdef DEBUG
NS_IMETHODIMP
nsObjectFrame::GetFrameName(nsString& aResult) const
{
return MakeFrameName("ObjectFrame", aResult);
}
#endif
nsresult
nsObjectFrame::CreateWidget(nsIPresContext* aPresContext,
nscoord aWidth,
nscoord aHeight,
PRBool aViewOnly)
{
nsIView* view;
// Create our view and widget
nsresult result =
nsComponentManager::CreateInstance(kViewCID, nsnull, kIViewIID,
(void **)&view);
if (NS_OK != result) {
return result;
}
nsIViewManager *viewMan; // need to release
nsRect boundBox(0, 0, aWidth, aHeight);
nsIFrame* parWithView;
nsIView *parView;
GetParentWithView(aPresContext, &parWithView);
parWithView->GetView(aPresContext, &parView);
if (NS_OK == parView->GetViewManager(viewMan))
{
// nsWidgetInitData* initData = GetWidgetInitData(*aPresContext); // needs to be deleted
// initialize the view as hidden since we don't know the (x,y) until Paint
result = view->Init(viewMan, boundBox, parView, nsnull,
nsViewVisibility_kHide);
// if (nsnull != initData) {
// delete(initData);
// }
if (NS_OK != result) {
result = NS_OK; //XXX why OK? MMP
goto exit; //XXX sue me. MMP
}
#if 0
// set the content's widget, so it can get content modified by the widget
nsIWidget *widget;
result = GetWidget(view, &widget);
if (NS_OK == result) {
nsInput* content = (nsInput *)mContent; // change this cast to QueryInterface
content->SetWidget(widget);
NS_IF_RELEASE(widget);
} else {
NS_ASSERTION(0, "could not get widget");
}
#endif
viewMan->InsertChild(parView, view, 0);
result = view->CreateWidget(kWidgetCID);
if (NS_OK != result) {
result = NS_OK; //XXX why OK? MMP
goto exit; //XXX sue me. MMP
}
}
{
//this is ugly. it was ripped off from didreflow(). MMP
// Position and size view relative to its parent, not relative to our
// parent frame (our parent frame may not have a view).
nsIView* parentWithView;
nsPoint origin;
view->SetVisibility(nsViewVisibility_kShow);
GetOffsetFromView(aPresContext, origin, &parentWithView);
viewMan->ResizeView(view, mRect.width, mRect.height);
viewMan->MoveViewTo(view, origin.x, origin.y);
}
SetView(aPresContext, view);
exit:
NS_IF_RELEASE(viewMan);
return result;
}
#define EMBED_DEF_DIM 50
void
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_DIM;
PRUint32 height = EMBED_DEF_DIM;
if (NS_UNCONSTRAINEDSIZE != aReflowState.mComputedWidth) {
aMetrics.width = aReflowState.mComputedWidth;
haveWidth = PR_TRUE;
}
if (NS_UNCONSTRAINEDSIZE != aReflowState.mComputedHeight) {
aMetrics.height = aReflowState.mComputedHeight;
haveHeight = PR_TRUE;
}
// the first time, mInstanceOwner will be null, so we a temporary default
if(mInstanceOwner != nsnull)
{
// if no width and height attributes specified use embed_def_dim.
if(NS_OK != mInstanceOwner->GetWidth(&width))
{
width = EMBED_DEF_DIM;
haveWidth = PR_FALSE;
}
else
haveWidth = PR_FALSE;
if(NS_OK != mInstanceOwner->GetHeight(&height))
{
height = EMBED_DEF_DIM;
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;
aMetrics.descent = 0;
}
#define JAVA_CLASS_ID "8AD9C840-044E-11D1-B3E9-00805F499D93"
NS_IMETHODIMP
nsObjectFrame::Reflow(nsIPresContext& aPresContext,
nsHTMLReflowMetrics& aMetrics,
const nsHTMLReflowState& aReflowState,
nsReflowStatus& aStatus)
{
nsresult rv = NS_OK;
char* mimeType = nsnull;
PRUint32 buflen;
// Get our desired size
GetDesiredSize(&aPresContext, aReflowState, aMetrics);
// could be an image
nsIFrame * child = mFrames.FirstChild();
if(child != nsnull)
return HandleImage(aPresContext, aMetrics, aReflowState, aStatus, child);
// if mInstance is null, we need to determine what kind of object we are and instantiate ourselves
if(!mInstanceOwner)
{
// XXX - do we need to create this for widgets as well?
mInstanceOwner = new nsPluginInstanceOwner();
if(!mInstanceOwner)
return NS_ERROR_OUT_OF_MEMORY;
NS_ADDREF(mInstanceOwner);
mInstanceOwner->Init(&aPresContext, this);
nsCOMPtr<nsISupports> container;
nsCOMPtr<nsIPluginHost> pluginHost;
nsIURI* baseURL = nsnull;
nsIURI* fullURL = nsnull;
nsAutoString classid;
PRInt32 nameSpaceID;
// if we have a clsid, we're either an internal widget, an ActiveX control, or an applet
mContent->GetNameSpaceID(nameSpaceID);
if (NS_CONTENT_ATTR_HAS_VALUE == mContent->GetAttribute(nameSpaceID, nsHTMLAtoms::classid, classid))
{
nsCID widgetCID;
PRBool bJavaObject = PR_FALSE;
PRBool bJavaPluginClsid = PR_FALSE;
if (classid.Find("java:") != -1)
{
classid.Cut(0, 5); // Strip off the "java:". What's left is the class file.
bJavaObject = PR_TRUE;
}
if (classid.Find("clsid:") != -1)
{
classid.Cut(0, 6); // Strip off the "clsid:". What's left is the class ID.
bJavaPluginClsid = (classid == JAVA_CLASS_ID);
}
// if we find "java:" in the class id, or we match the Java classid number, we have a java applet
if(bJavaObject || bJavaPluginClsid)
{
mimeType = (char *)PR_Malloc(PL_strlen("application/x-java-vm") + 1);
PL_strcpy(mimeType, "application/x-java-vm");
if((rv = GetBaseURL(baseURL)) != NS_OK)
return rv;
nsAutoString codeBase;
if(NS_CONTENT_ATTR_HAS_VALUE == mContent->GetAttribute(kNameSpaceID_HTML, nsHTMLAtoms::codebase, codeBase) &&
!bJavaPluginClsid)
{
nsIURI* codeBaseURL = nsnull;
rv = NS_NewURI(&codeBaseURL, codeBase, baseURL);
if(rv == NS_OK)
{
NS_IF_RELEASE(baseURL);
baseURL = codeBaseURL;
}
}
// Create an absolute URL
if(bJavaPluginClsid) {
rv = NS_NewURI(&fullURL, classid, baseURL);
}
else
{
fullURL = baseURL;
NS_IF_ADDREF(fullURL);
}
// get the nsIPluginHost interface
NS_ENSURE_SUCCESS(aPresContext.GetContainer(getter_AddRefs(container)),
NS_ERROR_FAILURE);
nsCOMPtr<nsIInterfaceRequestor> requestor(do_QueryInterface(container));
NS_ENSURE_TRUE(requestor, NS_ERROR_FAILURE);
NS_ENSURE_SUCCESS(requestor->GetInterface(NS_GET_IID(nsIPluginHost),
getter_AddRefs(pluginHost)), NS_ERROR_FAILURE);
mInstanceOwner->SetPluginHost(pluginHost);
rv = InstantiatePlugin(aPresContext, aMetrics, aReflowState, pluginHost, mimeType, fullURL);
}
else // otherwise, we're either an ActiveX control or an internal widget
{
// These are some builtin types that we know about for now.
// (Eventually this will move somewhere else.)
if (classid == "browser")
{
widgetCID = kCAppShellCID;
rv = InstantiateWidget(aPresContext, aMetrics, aReflowState, widgetCID);
}
else
{
// if we haven't matched to an internal type, check to see if we have an ActiveX handler
// if not, create the default plugin
if((rv = GetBaseURL(baseURL)) != NS_OK)
return rv;
// if we have a codebase, add it to the fullURL
nsAutoString codeBase;
if (NS_CONTENT_ATTR_HAS_VALUE == mContent->GetAttribute(kNameSpaceID_HTML, nsHTMLAtoms::codebase, codeBase))
{
nsIURI* codeBaseURL = nsnull;
rv = NS_NewURI(&fullURL, codeBase, baseURL);
if(rv == NS_OK)
{
NS_IF_RELEASE(baseURL);
baseURL = codeBaseURL;
}
} else {
fullURL = baseURL;
NS_IF_ADDREF(fullURL);
}
// get the nsIPluginHost interface
NS_ENSURE_SUCCESS(aPresContext.GetContainer(getter_AddRefs(container)),
NS_ERROR_FAILURE);
nsCOMPtr<nsIInterfaceRequestor> requestor(do_QueryInterface(container));
NS_ENSURE_TRUE(requestor, NS_ERROR_FAILURE);
NS_ENSURE_SUCCESS(requestor->GetInterface(NS_GET_IID(nsIPluginHost),
getter_AddRefs(pluginHost)), NS_ERROR_FAILURE);
mInstanceOwner->SetPluginHost(pluginHost);
if(pluginHost->IsPluginEnabledForType("application/x-oleobject") == NS_OK)
rv = InstantiatePlugin(aPresContext, aMetrics, aReflowState, pluginHost, "application/x-oleobject", fullURL);
else if(pluginHost->IsPluginEnabledForType("application/oleobject") == NS_OK)
rv = InstantiatePlugin(aPresContext, aMetrics, aReflowState, pluginHost, "application/oleobject", fullURL);
else
rv = NS_ERROR_FAILURE;
}
}
NS_IF_RELEASE(baseURL);
NS_IF_RELEASE(fullURL);
// finish up
if(rv == NS_OK)
{
aStatus = NS_FRAME_COMPLETE;
return NS_OK;
}
// if we got an error, we'll check for alternative content with CantRenderReplacedElement()
nsIPresShell* presShell;
aPresContext.GetShell(&presShell);
presShell->CantRenderReplacedElement(&aPresContext, this);
NS_RELEASE(presShell);
aStatus = NS_FRAME_COMPLETE;
return NS_OK;
}
// if we're here, the object is either an applet or a plugin
nsIAtom* atom = nsnull;
nsAutoString src;
if((rv = GetBaseURL(baseURL)) != NS_OK)
return rv;
// get the nsIPluginHost interface
NS_ENSURE_SUCCESS(aPresContext.GetContainer(getter_AddRefs(container)),
NS_ERROR_FAILURE);
nsCOMPtr<nsIInterfaceRequestor> requestor(do_QueryInterface(container));
NS_ENSURE_TRUE(requestor, NS_ERROR_FAILURE);
NS_ENSURE_SUCCESS(requestor->GetInterface(NS_GET_IID(nsIPluginHost),
getter_AddRefs(pluginHost)), NS_ERROR_FAILURE);
mInstanceOwner->SetPluginHost(pluginHost);
mContent->GetTag(atom);
// check if it's an applet
if (atom == nsHTMLAtoms::applet && atom)
{
mimeType = (char *)PR_Malloc(PL_strlen("application/x-java-vm") + 1);
PL_strcpy(mimeType, "application/x-java-vm");
if (NS_CONTENT_ATTR_HAS_VALUE == mContent->GetAttribute(kNameSpaceID_HTML, nsHTMLAtoms::code, src))
{
nsAutoString codeBase;
if (NS_CONTENT_ATTR_HAS_VALUE == mContent->GetAttribute(kNameSpaceID_HTML, nsHTMLAtoms::codebase, codeBase))
{
nsIURI* codeBaseURL = nsnull;
rv = NS_NewURI(&codeBaseURL, codeBase, baseURL);
if(rv == NS_OK)
{
NS_IF_RELEASE(baseURL);
baseURL = codeBaseURL;
}
}
// Create an absolute URL
rv = NS_NewURI(&fullURL, src, baseURL);
}
rv = InstantiatePlugin(aPresContext, aMetrics, aReflowState, pluginHost, mimeType, fullURL);
}
else // traditional plugin
{
nsAutoString type;
mContent->GetAttribute(kNameSpaceID_HTML, nsHTMLAtoms::type, type);
buflen = type.Length();
if (buflen > 0)
{
mimeType = (char *)PR_Malloc(buflen + 1);
if (nsnull != mimeType)
type.ToCString(mimeType, buflen + 1);
}
//stream in the object source if there is one...
if (NS_CONTENT_ATTR_HAS_VALUE == mContent->GetAttribute(kNameSpaceID_HTML, nsHTMLAtoms::src, src))
{
// Create an absolute URL
rv = NS_NewURI(&fullURL, src, baseURL);
}
else if(NS_CONTENT_ATTR_HAS_VALUE == mContent->GetAttribute(kNameSpaceID_HTML, nsHTMLAtoms::data, src))
{
// Create an absolute URL
rv = NS_NewURI(&fullURL, src, baseURL);
} else {// we didn't find a src or data param, so just set the url to the base
fullURL = baseURL;
NS_IF_ADDREF(fullURL);
}
// if we didn't find the type, but we do have a src, we can determine the mimetype
// based on the file extension
if(!mimeType && src.GetUnicode())
{
char* extension;
char* cString = src.ToNewCString();
extension = PL_strrchr(cString, '.');
if(extension)
++extension;
pluginHost->IsPluginEnabledForExtension((const char *)extension, (const char *&)mimeType);
delete [] cString;
}
rv = InstantiatePlugin(aPresContext, aMetrics, aReflowState, pluginHost, mimeType, fullURL);
}
NS_IF_RELEASE(atom);
NS_IF_RELEASE(baseURL);
NS_IF_RELEASE(fullURL);
}
else
rv = ReinstantiatePlugin(aPresContext, aMetrics, aReflowState);
// finish up
if(rv == NS_OK)
{
aStatus = NS_FRAME_COMPLETE;
return NS_OK;
}
// if we got an error, we'll check for alternative content with CantRenderReplacedElement()
nsIPresShell* presShell;
aPresContext.GetShell(&presShell);
presShell->CantRenderReplacedElement(&aPresContext, this);
NS_RELEASE(presShell);
aStatus = NS_FRAME_COMPLETE;
return NS_OK;
}
nsresult
nsObjectFrame::InstantiateWidget(nsIPresContext& aPresContext,
nsHTMLReflowMetrics& aMetrics,
const nsHTMLReflowState& aReflowState,
nsCID aWidgetCID)
{
nsresult rv;
GetDesiredSize(&aPresContext, aReflowState, aMetrics);
nsIView *parentWithView;
nsPoint origin;
GetOffsetFromView(&aPresContext, origin, &parentWithView);
// Just make the frigging widget
float t2p;
aPresContext.GetTwipsToPixels(&t2p);
PRInt32 x = NSTwipsToIntPixels(origin.x, t2p);
PRInt32 y = NSTwipsToIntPixels(origin.y, t2p);
PRInt32 width = NSTwipsToIntPixels(aMetrics.width, t2p);
PRInt32 height = NSTwipsToIntPixels(aMetrics.height, t2p);
nsRect r = nsRect(x, y, width, height);
static NS_DEFINE_IID(kIWidgetIID, NS_IWIDGET_IID);
if((rv = nsComponentManager::CreateInstance(aWidgetCID, nsnull, kIWidgetIID, (void**)&mWidget)) != NS_OK)
return rv;
nsIWidget *parent;
parentWithView->GetOffsetFromWidget(nsnull, nsnull, parent);
mWidget->Create(parent, r, nsnull, nsnull);
mWidget->Show(PR_TRUE);
return rv;
}
nsresult
nsObjectFrame::InstantiatePlugin(nsIPresContext& aPresContext,
nsHTMLReflowMetrics& aMetrics,
const nsHTMLReflowState& aReflowState,
nsIPluginHost* aPluginHost,
const char* aMimetype,
nsIURI* aURL)
{
nsIView *parentWithView;
nsPoint origin;
nsPluginWindow *window;
float t2p;
aPresContext.GetTwipsToPixels(&t2p);
SetFullURL(aURL);
// we need to recalculate this now that we have access to the nsPluginInstanceOwner
// and its size info (as set in the tag)
GetDesiredSize(&aPresContext, aReflowState, aMetrics);
if (nsnull != aMetrics.maxElementSize)
{
//XXX AddBorderPaddingToMaxElementSize(borderPadding);
aMetrics.maxElementSize->width = aMetrics.width;
aMetrics.maxElementSize->height = aMetrics.height;
}
mInstanceOwner->GetWindow(window);
GetOffsetFromView(&aPresContext, origin, &parentWithView);
window->x = NSTwipsToIntPixels(origin.x, t2p);
window->y = NSTwipsToIntPixels(origin.y, t2p);
window->width = NSTwipsToIntPixels(aMetrics.width, t2p);
window->height = NSTwipsToIntPixels(aMetrics.height, t2p);
window->clipRect.top = 0;
window->clipRect.left = 0;
window->clipRect.bottom = NSTwipsToIntPixels(aMetrics.height, t2p);
window->clipRect.right = NSTwipsToIntPixels(aMetrics.width, t2p);
#ifdef XP_UNIX
window->ws_info = nsnull; //XXX need to figure out what this is. MMP
#endif
return aPluginHost->InstantiateEmbededPlugin(aMimetype, aURL, mInstanceOwner);
}
// This is called when the page containing plugin is resized, and plugin has its dimensions
// specified in percentage, so it needs to follow the page on the fly.
nsresult
nsObjectFrame::ReinstantiatePlugin(nsIPresContext& aPresContext, nsHTMLReflowMetrics& aMetrics, const nsHTMLReflowState& aReflowState)
{
nsIView *parentWithView;
nsPoint origin;
nsPluginWindow *window;
float t2p;
aPresContext.GetTwipsToPixels(&t2p);
// we need to recalculate this now that we have access to the nsPluginInstanceOwner
// and its size info (as set in the tag)
GetDesiredSize(&aPresContext, aReflowState, aMetrics);
if (nsnull != aMetrics.maxElementSize)
{
//XXX AddBorderPaddingToMaxElementSize(borderPadding);
aMetrics.maxElementSize->width = aMetrics.width;
aMetrics.maxElementSize->height = aMetrics.height;
}
mInstanceOwner->GetWindow(window);
GetOffsetFromView(&aPresContext, origin, &parentWithView);
window->x = NSTwipsToIntPixels(origin.x, t2p);
window->y = NSTwipsToIntPixels(origin.y, t2p);
window->width = NSTwipsToIntPixels(aMetrics.width, t2p);
window->height = NSTwipsToIntPixels(aMetrics.height, t2p);
window->clipRect.top = 0;
window->clipRect.left = 0;
window->clipRect.bottom = NSTwipsToIntPixels(aMetrics.height, t2p);
window->clipRect.right = NSTwipsToIntPixels(aMetrics.width, t2p);
#ifdef XP_UNIX
window->ws_info = nsnull; //XXX need to figure out what this is. MMP
#endif
return NS_OK;
}
nsresult
nsObjectFrame::HandleImage(nsIPresContext& aPresContext,
nsHTMLReflowMetrics& aMetrics,
const nsHTMLReflowState& aReflowState,
nsReflowStatus& aStatus,
nsIFrame* child)
{
nsSize availSize(NS_UNCONSTRAINEDSIZE, NS_UNCONSTRAINEDSIZE);
nsHTMLReflowMetrics kidDesiredSize(nsnull);
nsReflowReason reflowReason;
nsFrameState frameState;
child->GetFrameState(&frameState);
if (frameState & NS_FRAME_FIRST_REFLOW)
reflowReason = eReflowReason_Initial;
else
reflowReason = eReflowReason_Resize;
nsHTMLReflowState kidReflowState(aPresContext, aReflowState, child,
availSize, reflowReason);
nsReflowStatus status;
if(PR_TRUE)//reflowReason == eReflowReason_Initial)
{
kidDesiredSize.width = NS_UNCONSTRAINEDSIZE;
kidDesiredSize.height = NS_UNCONSTRAINEDSIZE;
}
// adjust kidReflowState
nsIHTMLContent* hc = nsnull;
mContent->QueryInterface(kIHTMLContentIID, (void**) &hc);
if(hc != nsnull)
{
float p2t;
aPresContext.GetScaledPixelsToTwips(&p2t);
nsHTMLValue val;
if(NS_CONTENT_ATTR_HAS_VALUE == hc->GetHTMLAttribute(nsHTMLAtoms::width, val))
{
if(eHTMLUnit_Pixel == val.GetUnit())
{
nscoord width = val.GetPixelValue();
kidReflowState.mComputedWidth = NSIntPixelsToTwips(width, p2t);
}
}
if(NS_CONTENT_ATTR_HAS_VALUE == hc->GetHTMLAttribute(nsHTMLAtoms::height, val))
{
if(eHTMLUnit_Pixel == val.GetUnit())
{
nscoord height = val.GetPixelValue();
kidReflowState.mComputedHeight = NSIntPixelsToTwips(height, p2t);
}
}
}
ReflowChild(child, aPresContext, kidDesiredSize, kidReflowState, status);
nsRect rect(0, 0, kidDesiredSize.width, kidDesiredSize.height);
child->SetRect(&aPresContext, rect);
aMetrics.width = kidDesiredSize.width;
aMetrics.height = kidDesiredSize.height;
aMetrics.ascent = kidDesiredSize.height;
aMetrics.descent = 0;
aStatus = NS_FRAME_COMPLETE;
return NS_OK;
}
nsresult
nsObjectFrame::GetBaseURL(nsIURI* &aURL)
{
nsIHTMLContent* htmlContent;
if (NS_SUCCEEDED(mContent->QueryInterface(kIHTMLContentIID, (void**)&htmlContent)))
{
htmlContent->GetBaseURL(aURL);
NS_RELEASE(htmlContent);
}
else
{
nsIDocument* doc = nsnull;
if (NS_SUCCEEDED(mContent->GetDocument(doc)))
{
doc->GetBaseURL(aURL);
NS_RELEASE(doc);
}
else
return NS_ERROR_FAILURE;
}
return NS_OK;
}
NS_IMETHODIMP
nsObjectFrame::ContentChanged(nsIPresContext* aPresContext,
nsIContent* aChild,
nsISupports* aSubContent)
{
// Generate a reflow command with this frame as the target frame
nsCOMPtr<nsIPresShell> shell;
nsresult rv = aPresContext->GetShell(getter_AddRefs(shell));
if (NS_SUCCEEDED(rv) && shell) {
nsIReflowCommand* reflowCmd;
rv = NS_NewHTMLReflowCommand(&reflowCmd, this,
nsIReflowCommand::ContentChanged);
if (NS_SUCCEEDED(rv)) {
shell->AppendReflowCommand(reflowCmd);
NS_RELEASE(reflowCmd);
}
}
return rv;
}
NS_IMETHODIMP
nsObjectFrame::DidReflow(nsIPresContext& aPresContext,
nsDidReflowStatus aStatus)
{
nsresult rv = nsObjectFrameSuper::DidReflow(aPresContext, aStatus);
// The view is created hidden; once we have reflowed it and it has been
// positioned then we show it.
if (NS_FRAME_REFLOW_FINISHED == aStatus) {
nsIView* view = nsnull;
GetView(&aPresContext, &view);
if (nsnull != view) {
view->SetVisibility(nsViewVisibility_kShow);
}
if (nsnull != mInstanceOwner) {
nsPluginWindow *window;
if (NS_OK == mInstanceOwner->GetWindow(window)) {
nsIView *parentWithView;
nsPoint origin;
nsIPluginInstance *inst;
float t2p;
aPresContext.GetTwipsToPixels(&t2p);
nscoord offx, offy;
GetOffsetFromView(&aPresContext, origin, &parentWithView);
#if 0
// beard: how do we get this?
parentWithView->GetScrollOffset(&offx, &offy);
#else
offx = offy = 0;
#endif
window->x = NSTwipsToIntPixels(origin.x, t2p);
window->y = NSTwipsToIntPixels(origin.y, t2p);
// window->width = NSTwipsToIntPixels(aMetrics.width, t2p);
// window->height = NSTwipsToIntPixels(aMetrics.height, t2p);
// refresh the plugin port as well
window->window = mInstanceOwner->GetPluginPort();
// beard: to preserve backward compatibility with Communicator 4.X, the
// clipRect must be in port coordinates.
#ifdef XP_MAC
nsPluginPort* port = window->window;
nsPluginRect& clipRect = window->clipRect;
clipRect.top = -port->porty;
clipRect.left = -port->portx;
clipRect.bottom = clipRect.top + window->height;
clipRect.right = clipRect.left + window->width;
#else
// this is only well-defined on the Mac OS anyway, or perhaps for windowless plugins.
window->clipRect.top = 0;
window->clipRect.left = 0;
window->clipRect.bottom = window->clipRect.top + window->height;
window->clipRect.right = window->clipRect.left + window->width;
#endif
if (NS_OK == mInstanceOwner->GetInstance(inst)) {
inst->SetWindow(window);
NS_RELEASE(inst);
}
//~~~
mInstanceOwner->ReleasePluginPort((nsPluginPort *)window->window);
if (mWidget)
{
PRInt32 x = NSTwipsToIntPixels(origin.x, t2p);
PRInt32 y = NSTwipsToIntPixels(origin.y, t2p);
mWidget->Move(x, y);
}
}
}
}
return rv;
}
NS_IMETHODIMP
nsObjectFrame::Paint(nsIPresContext& aPresContext,
nsIRenderingContext& aRenderingContext,
const nsRect& aDirtyRect,
nsFramePaintLayer aWhichLayer)
{
const nsStyleDisplay* disp = (const nsStyleDisplay*)mStyleContext->GetStyleData(eStyleStruct_Display);
if ((disp != nsnull) && !disp->mVisible)
{
return NS_OK;
}
nsIFrame * child = mFrames.FirstChild();
if(child != NULL) //This is an image
{
nsObjectFrameSuper::Paint(aPresContext, aRenderingContext, aDirtyRect, aWhichLayer);
return NS_OK;
}
aRenderingContext.SetColor(NS_RGB(192, 192, 192));
aRenderingContext.FillRect(0, 0, mRect.width, mRect.height);
#if !defined(XP_MAC)
if (NS_FRAME_PAINT_LAYER_FOREGROUND == aWhichLayer)
{
//~~~
#ifdef XP_WIN
nsIPluginInstance * inst;
if(NS_OK == GetPluginInstance(inst))
{
NS_RELEASE(inst);
// Look if it's windowless
nsPluginWindow * window;
mInstanceOwner->GetWindow(window);
if(window->type == nsPluginWindowType_Drawable)
{
PRUint32 hdc;
aRenderingContext.RetrieveCurrentNativeGraphicData(&hdc);
mInstanceOwner->Paint(aDirtyRect, hdc);
return NS_OK;
}
}
#endif
const nsStyleFont* font = (const nsStyleFont*)mStyleContext->GetStyleData(eStyleStruct_Font);
aRenderingContext.SetFont(font->mFont);
aRenderingContext.SetColor(NS_RGB(192, 192, 192));
aRenderingContext.FillRect(0, 0, mRect.width, mRect.height);
aRenderingContext.SetColor(NS_RGB(0, 0, 0));
aRenderingContext.DrawRect(0, 0, mRect.width, mRect.height);
float p2t;
aPresContext.GetPixelsToTwips(&p2t);
nscoord px3 = NSIntPixelsToTwips(3, p2t);
nsAutoString tmp;
nsIAtom* atom;
mContent->GetTag(atom);
if (nsnull != atom) {
atom->ToString(tmp);
NS_RELEASE(atom);
aRenderingContext.DrawString(tmp, px3, px3);
}
}
#else
// delegate all painting to the plugin instance.
if (NS_FRAME_PAINT_LAYER_FOREGROUND == aWhichLayer && nsnull != mInstanceOwner) {
mInstanceOwner->Paint(aDirtyRect);
}
#endif /* !XP_MAC */
return NS_OK;
}
NS_IMETHODIMP
nsObjectFrame::HandleEvent(nsIPresContext& aPresContext,
nsGUIEvent* anEvent,
nsEventStatus& anEventStatus)
{
nsresult rv = NS_OK;
//~~~
//FIX FOR CRASHING WHEN NO INSTANCE OWVER
if (!mInstanceOwner)
return NS_ERROR_NULL_POINTER;
#ifdef XP_WIN
nsPluginWindow * window;
mInstanceOwner->GetWindow(window);
if(window->type == nsPluginWindowType_Drawable)
{
switch (anEvent->message)
{
case NS_MOUSE_LEFT_BUTTON_DOWN:
case NS_MOUSE_LEFT_BUTTON_UP:
case NS_MOUSE_LEFT_DOUBLECLICK:
case NS_MOUSE_RIGHT_BUTTON_DOWN:
case NS_MOUSE_RIGHT_BUTTON_UP:
case NS_MOUSE_RIGHT_DOUBLECLICK:
case NS_MOUSE_MIDDLE_BUTTON_DOWN:
case NS_MOUSE_MIDDLE_BUTTON_UP:
case NS_MOUSE_MIDDLE_DOUBLECLICK:
case NS_MOUSE_MOVE:
case NS_KEY_UP:
case NS_KEY_DOWN:
case NS_GOTFOCUS:
case NS_LOSTFOCUS:
//case set cursor should be here too:
anEventStatus = mInstanceOwner->ProcessEvent(*anEvent);
return rv;
default:
break;
}
}
rv = nsObjectFrameSuper::HandleEvent(aPresContext, anEvent, anEventStatus);
return rv;
#endif
switch (anEvent->message) {
case NS_DESTROY:
mInstanceOwner->CancelTimer();
break;
case NS_GOTFOCUS:
case NS_LOSTFOCUS:
case NS_KEY_UP:
case NS_KEY_DOWN:
case NS_MOUSE_MOVE:
case NS_MOUSE_ENTER:
case NS_MOUSE_LEFT_BUTTON_UP:
case NS_MOUSE_LEFT_BUTTON_DOWN:
anEventStatus = mInstanceOwner->ProcessEvent(*anEvent);
break;
default:
// instead of using an event listener, we can dispatch events to plugins directly.
rv = nsObjectFrameSuper::HandleEvent(aPresContext, anEvent, anEventStatus);
}
return rv;
}
nsresult
nsObjectFrame::Scrolled(nsIView *aView)
{
return NS_OK;
}
nsresult
nsObjectFrame::SetFullURL(nsIURI* aURL)
{
NS_IF_RELEASE(mFullURL);
mFullURL = aURL;
NS_IF_ADDREF(mFullURL);
return NS_OK;
}
nsresult nsObjectFrame::GetFullURL(nsIURI*& aFullURL)
{
aFullURL = mFullURL;
NS_IF_ADDREF(aFullURL);
return NS_OK;
}
nsresult nsObjectFrame::GetPluginInstance(nsIPluginInstance*& aPluginInstance)
{
return mInstanceOwner->GetInstance(aPluginInstance);
}
nsresult
NS_NewObjectFrame(nsIFrame** aNewFrame)
{
NS_PRECONDITION(aNewFrame, "null OUT ptr");
if (nsnull == aNewFrame) {
return NS_ERROR_NULL_POINTER;
}
nsObjectFrame* it = new nsObjectFrame;
if (nsnull == it) {
return NS_ERROR_OUT_OF_MEMORY;
}
*aNewFrame = it;
return NS_OK;
}
// TODO: put this in a header file.
extern nsresult NS_GetObjectFramePluginInstance(nsIFrame* aFrame, nsIPluginInstance*& aPluginInstance);
nsresult
NS_GetObjectFramePluginInstance(nsIFrame* aFrame, nsIPluginInstance*& aPluginInstance)
{
if(aFrame == nsnull)
return NS_ERROR_NULL_POINTER;
// TODO: any way to determine this cast is safe?
nsObjectFrame* objectFrame = NS_STATIC_CAST(nsObjectFrame*, aFrame);
return objectFrame->GetPluginInstance(aPluginInstance);
}
//plugin instance owner
nsPluginInstanceOwner::nsPluginInstanceOwner()
{
NS_INIT_REFCNT();
memset(&mPluginWindow, 0, sizeof(mPluginWindow));
mInstance = nsnull;
mOwner = nsnull;
mNumAttrs = 0;
mAttrNames = nsnull;
mAttrVals = nsnull;
mWidget = nsnull;
mContext = nsnull;
mNumParams = 0;
mParamNames = nsnull;
mParamVals = nsnull;
mDocumentBase = nsnull;
mPluginTimer = nsnull;
mPluginHost = nsnull;
}
nsPluginInstanceOwner::~nsPluginInstanceOwner()
{
PRInt32 cnt;
// shut off the timer.
if (mPluginTimer != nsnull) {
mPluginTimer->Cancel();
NS_RELEASE(mPluginTimer);
}
if (nsnull != mInstance)
{
mPluginHost->StopPluginInstance(mInstance);
mInstance->Stop();
mInstance->SetWindow(nsnull);
NS_RELEASE(mInstance);
}
NS_RELEASE(mPluginHost);
mOwner = nsnull;
for (cnt = 0; cnt < mNumAttrs; cnt++)
{
if ((nsnull != mAttrNames) && (nsnull != mAttrNames[cnt]))
{
PR_Free(mAttrNames[cnt]);
mAttrNames[cnt] = nsnull;
}
if ((nsnull != mAttrVals) && (nsnull != mAttrVals[cnt]))
{
PR_Free(mAttrVals[cnt]);
mAttrVals[cnt] = nsnull;
}
}
if (nsnull != mAttrNames)
{
PR_Free(mAttrNames);
mAttrNames = nsnull;
}
if (nsnull != mAttrVals)
{
PR_Free(mAttrVals);
mAttrVals = nsnull;
}
for (cnt = 0; cnt < mNumParams; cnt++)
{
if ((nsnull != mParamNames) && (nsnull != mParamNames[cnt]))
{
PR_Free(mParamNames[cnt]);
mParamNames[cnt] = nsnull;
}
if ((nsnull != mParamVals) && (nsnull != mParamVals[cnt]))
{
PR_Free(mParamVals[cnt]);
mParamVals[cnt] = nsnull;
}
}
if (nsnull != mParamNames)
{
PR_Free(mParamNames);
mParamNames = nsnull;
}
if (nsnull != mParamVals)
{
PR_Free(mParamVals);
mParamVals = nsnull;
}
if (nsnull != mDocumentBase)
{
nsCRT::free(mDocumentBase);
mDocumentBase = nsnull;
}
NS_IF_RELEASE(mWidget);
mContext = nsnull;
}
static NS_DEFINE_IID(kIBrowserWindowIID, NS_IBROWSER_WINDOW_IID);
NS_IMPL_ADDREF(nsPluginInstanceOwner);
NS_IMPL_RELEASE(nsPluginInstanceOwner);
nsresult nsPluginInstanceOwner::QueryInterface(const nsIID& aIID,
void** aInstancePtrResult)
{
NS_PRECONDITION(nsnull != aInstancePtrResult, "null pointer");
if (nsnull == aInstancePtrResult)
return NS_ERROR_NULL_POINTER;
if (aIID.Equals(nsIPluginInstanceOwner::GetIID()))
{
*aInstancePtrResult = (void *)((nsIPluginInstanceOwner *)this);
AddRef();
return NS_OK;
}
if (aIID.Equals(nsIPluginTagInfo::GetIID()) || aIID.Equals(nsIPluginTagInfo2::GetIID()))
{
*aInstancePtrResult = (void *)((nsIPluginTagInfo2 *)this);
AddRef();
return NS_OK;
}
if (aIID.Equals(nsIJVMPluginTagInfo::GetIID()))
{
*aInstancePtrResult = (void *)((nsIJVMPluginTagInfo *)this);
AddRef();
return NS_OK;
}
if (aIID.Equals(nsIEventListener::GetIID()))
{
*aInstancePtrResult = (void *)((nsIEventListener *)this);
AddRef();
return NS_OK;
}
if (aIID.Equals(nsITimerCallback::GetIID()))
{
*aInstancePtrResult = (void *)((nsITimerCallback *)this);
AddRef();
return NS_OK;
}
if (aIID.Equals(kISupportsIID))
{
*aInstancePtrResult = (void *)((nsISupports *)((nsIPluginTagInfo *)this));
AddRef();
return NS_OK;
}
return NS_NOINTERFACE;
}
NS_IMETHODIMP nsPluginInstanceOwner::SetInstance(nsIPluginInstance *aInstance)
{
NS_IF_RELEASE(mInstance);
mInstance = aInstance;
NS_IF_ADDREF(mInstance);
return NS_OK;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetWindow(nsPluginWindow *&aWindow)
{
aWindow = &mPluginWindow;
return NS_OK;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetMode(nsPluginMode *aMode)
{
*aMode = nsPluginMode_Embedded;
return NS_OK;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetAttributes(PRUint16& n,
const char*const*& names,
const char*const*& values)
{
nsresult rv;
nsIContent* iContent;
if ((nsnull == mAttrNames) && (nsnull != mOwner)) {
rv = mOwner->GetContent(&iContent);
if (NS_SUCCEEDED(rv)) {
PRInt32 count;
if (NS_SUCCEEDED(iContent->GetAttributeCount(count))) {
PRInt32 index;
mAttrNames = (char **)PR_Calloc(sizeof(char *) * count, 1);
mAttrVals = (char **)PR_Calloc(sizeof(char *) * count, 1);
mNumAttrs = 0;
if ((nsnull != mAttrNames) && (nsnull != mAttrVals)) {
for (index = 0; index < count; index++) {
PRInt32 nameSpaceID;
nsIAtom* atom;
iContent->GetAttributeNameAt(index, nameSpaceID, atom);
nsAutoString value;
if (NS_CONTENT_ATTR_HAS_VALUE == iContent->GetAttribute(nameSpaceID, atom, value)) {
nsAutoString name;
atom->ToString(name);
mAttrNames[mNumAttrs] = (char *)PR_Malloc(name.Length() + 1);
mAttrVals[mNumAttrs] = (char *)PR_Malloc(value.Length() + 1);
if ((nsnull != mAttrNames[mNumAttrs]) &&
(nsnull != mAttrVals[mNumAttrs]))
{
name.ToCString(mAttrNames[mNumAttrs], name.Length() + 1);
value.ToCString(mAttrVals[mNumAttrs], value.Length() + 1);
mNumAttrs++;
}
else
{
if (nsnull != mAttrNames[mNumAttrs])
{
PR_Free(mAttrNames[mNumAttrs]);
mAttrNames[mNumAttrs] = nsnull;
}
if (nsnull != mAttrVals[mNumAttrs])
{
PR_Free(mAttrVals[mNumAttrs]);
mAttrVals[mNumAttrs] = nsnull;
}
}
}
NS_RELEASE(atom);
}
}
else {
rv = NS_ERROR_OUT_OF_MEMORY;
if (nsnull != mAttrVals) {
PR_Free(mAttrVals);
mAttrVals = nsnull;
}
if (nsnull != mAttrNames) {
PR_Free(mAttrNames);
mAttrNames = nsnull;
}
}
}
NS_RELEASE(iContent);
}
}
else {
rv = NS_OK;
}
n = mNumAttrs;
names = (const char **)mAttrNames;
values = (const char **)mAttrVals;
return rv;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetAttribute(const char* name, const char* *result)
{
if (nsnull == mAttrNames) {
PRUint16 numattrs;
const char * const *names, * const *vals;
GetAttributes(numattrs, names, vals);
}
*result = NULL;
for (int i = 0; i < mNumAttrs; i++) {
if (0 == PL_strcasecmp(mAttrNames[i], name)) {
*result = mAttrVals[i];
return NS_OK;
}
}
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetInstance(nsIPluginInstance *&aInstance)
{
if (nsnull != mInstance)
{
aInstance = mInstance;
NS_ADDREF(mInstance);
return NS_OK;
}
else
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetURL(const char *aURL, const char *aTarget, void *aPostData)
{
nsISupports *container;
nsILinkHandler *lh;
nsresult rv;
nsIView *view;
nsPoint origin;
if ((nsnull != mOwner) && (nsnull != mContext))
{
rv = mOwner->GetOffsetFromView(mContext, origin, &view);
if (NS_OK == rv)
{
rv = mContext->GetContainer(&container);
if (NS_OK == rv)
{
rv = container->QueryInterface(kILinkHandlerIID, (void **)&lh);
if (NS_OK == rv)
{
nsAutoString uniurl = nsAutoString(aURL);
nsAutoString unitarget = nsAutoString(aTarget);
nsAutoString fullurl;
nsIURI* baseURL;
mOwner->GetFullURL(baseURL);
// Create an absolute URL
rv = NS_MakeAbsoluteURI(uniurl, baseURL, fullurl);
NS_IF_RELEASE(baseURL);
if (NS_OK == rv) {
nsIContent* content = nsnull;
mOwner->GetContent(&content);
rv = lh->OnLinkClick(content, eLinkVerb_Replace, fullurl.GetUnicode(), unitarget.GetUnicode(), nsnull);
NS_IF_RELEASE(content);
}
NS_RELEASE(lh);
}
NS_RELEASE(container);
}
}
}
else
rv = NS_ERROR_FAILURE;
return rv;
}
NS_IMETHODIMP nsPluginInstanceOwner::ShowStatus(const char *aStatusMsg)
{
nsresult rv = NS_ERROR_FAILURE;
if (nsnull != mContext)
{
nsISupports *cont;
rv = mContext->GetContainer(&cont);
if ((NS_OK == rv) && (nsnull != cont))
{
nsIWebShell *ws;
rv = cont->QueryInterface(nsIWebShell::GetIID(), (void **)&ws);
if (NS_OK == rv)
{
nsIWebShell *rootWebShell;
ws->GetRootWebShell(rootWebShell);
if (nsnull != rootWebShell)
{
nsIWebShellContainer *rootContainer;
rv = rootWebShell->GetContainer(rootContainer);
if (nsnull != rootContainer)
{
nsIBrowserWindow *browserWindow;
if (NS_OK == rootContainer->QueryInterface(kIBrowserWindowIID, (void**)&browserWindow))
{
nsAutoString msg = nsAutoString(aStatusMsg);
rv = browserWindow->SetStatus(msg.GetUnicode());
NS_RELEASE(browserWindow);
}
NS_RELEASE(rootContainer);
}
NS_RELEASE(rootWebShell);
}
NS_RELEASE(ws);
}
NS_RELEASE(cont);
}
}
return rv;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetDocument(nsIDocument* *aDocument)
{
nsresult rv = NS_ERROR_FAILURE;
if (nsnull != mContext) {
nsCOMPtr<nsIPresShell> shell;
mContext->GetShell(getter_AddRefs(shell));
rv = shell->GetDocument(aDocument);
}
return rv;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetTagType(nsPluginTagType *result)
{
nsresult rv = NS_ERROR_FAILURE;
*result = nsPluginTagType_Unknown;
if (nsnull != mOwner)
{
nsIContent *cont;
mOwner->GetContent(&cont);
if (nsnull != cont)
{
nsIAtom *atom;
cont->GetTag(atom);
if (nsnull != atom)
{
if (atom == nsHTMLAtoms::applet)
*result = nsPluginTagType_Applet;
else if (atom == nsHTMLAtoms::embed)
*result = nsPluginTagType_Embed;
else if (atom == nsHTMLAtoms::object)
*result = nsPluginTagType_Object;
rv = NS_OK;
NS_RELEASE(atom);
}
NS_RELEASE(cont);
}
}
return rv;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetTagText(const char* *result)
{
printf("instance owner gettagtext called\n");
*result = "";
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetParameters(PRUint16& n, const char*const*& names, const char*const*& values)
{
nsresult rv = NS_ERROR_FAILURE;
if ((nsnull == mParamNames) && (nsnull != mOwner))
{
nsIContent *cont;
mOwner->GetContent(&cont);
if (nsnull != cont)
{
PRBool haskids = PR_FALSE;
cont->CanContainChildren(haskids);
if (PR_TRUE == haskids)
{
PRInt32 numkids, idx, numparams = 0;
cont->ChildCount(numkids);
//first pass, count number of param tags...
for (idx = 0; idx < numkids; idx++)
{
nsIContent *kid;
cont->ChildAt(idx, kid);
if (nsnull != kid)
{
nsIAtom *atom;
kid->GetTag(atom);
if (nsnull != atom)
{
if (atom == nsHTMLAtoms::param)
numparams++;
NS_RELEASE(atom);
}
NS_RELEASE(kid);
}
}
if (numparams > 0)
{
//now we need to create arrays
//representing the parameter name/value pairs...
mParamNames = (char **)PR_Calloc(sizeof(char *) * numparams, 1);
mParamVals = (char **)PR_Calloc(sizeof(char *) * numparams, 1);
if ((nsnull != mParamNames) && (nsnull != mParamVals))
{
for (idx = 0; idx < numkids; idx++)
{
nsIContent *kid;
cont->ChildAt(idx, kid);
if (nsnull != kid)
{
nsIAtom *atom;
kid->GetTag(atom);
if (nsnull != atom)
{
if (atom == nsHTMLAtoms::param)
{
nsAutoString val, name;
//add param to list...
if ((NS_CONTENT_ATTR_HAS_VALUE == kid->GetAttribute(kNameSpaceID_HTML, nsHTMLAtoms::name, name)) &&
(NS_CONTENT_ATTR_HAS_VALUE == kid->GetAttribute(kNameSpaceID_HTML, nsHTMLAtoms::value, val)))
{
mParamNames[mNumParams] = (char *)PR_Malloc(name.Length() + 1);
mParamVals[mNumParams] = (char *)PR_Malloc(val.Length() + 1);
if ((nsnull != mParamNames[mNumParams]) &&
(nsnull != mParamVals[mNumParams]))
{
name.ToCString(mParamNames[mNumParams], name.Length() + 1);
val.ToCString(mParamVals[mNumParams], val.Length() + 1);
mNumParams++;
}
else
{
if (nsnull != mParamNames[mNumParams])
{
PR_Free(mParamNames[mNumParams]);
mParamNames[mNumParams] = nsnull;
}
if (nsnull != mParamVals[mNumParams])
{
PR_Free(mParamVals[mNumParams]);
mParamVals[mNumParams] = nsnull;
}
}
}
}
NS_RELEASE(atom);
}
}
NS_RELEASE(kid);
}
}
}
}
rv = NS_OK;
NS_RELEASE(cont);
}
}
n = mNumParams;
names = (const char **)mParamNames;
values = (const char **)mParamVals;
return rv;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetParameter(const char* name, const char* *result)
{
PRInt32 count;
if (nsnull == mParamNames)
{
PRUint16 numattrs;
const char * const *names, * const *vals;
GetParameters(numattrs, names, vals);
}
for (count = 0; count < mNumParams; count++)
{
if (0 == PL_strcasecmp(mParamNames[count], name))
{
*result = mParamVals[count];
break;
}
}
if (count >= mNumParams)
*result = "";
return NS_OK;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetDocumentBase(const char* *result)
{
nsresult rv = NS_OK;
if (nsnull == mDocumentBase) {
if (nsnull == mContext) {
*result = nsnull;
return NS_ERROR_FAILURE;
}
nsCOMPtr<nsIPresShell> shell;
mContext->GetShell(getter_AddRefs(shell));
nsCOMPtr<nsIDocument> doc;
shell->GetDocument(getter_AddRefs(doc));
nsCOMPtr<nsIURI> docURL( dont_AddRef(doc->GetDocumentURL()) );
rv = docURL->GetSpec(&mDocumentBase);
}
if (rv == NS_OK)
*result = mDocumentBase;
return rv;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetDocumentEncoding(const char* *result)
{
printf("instance owner getdocumentencoding called\n");
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetAlignment(const char* *result)
{
return GetAttribute("ALIGN", result);
}
NS_IMETHODIMP nsPluginInstanceOwner::GetWidth(PRUint32 *result)
{
nsresult rv;
const char *width;
rv = GetAttribute("WIDTH", &width);
if (NS_OK == rv)
{
if (*result != 0)
{
*result = 0;
PRUint32 attr = (PRUint32)atol(width);
if(nsnull == strchr(width, '%'))
*result = attr;
else
{
if(mContext == nsnull)
return NS_ERROR_FAILURE;
attr = (attr > 100) ? 100 : attr;
attr = (attr < 0) ? 0 : attr;
float t2p;
mContext->GetTwipsToPixels(&t2p);
nsRect rect;
mContext->GetVisibleArea(rect);
nscoord w = rect.width;
if(mOwner == nsnull)
{
*result = NSTwipsToIntPixels(attr*w/100, t2p);
return NS_OK;
}
// now make it nicely fit counting margins
nsIFrame *parent;
mOwner->GetParent(&parent);
parent->GetRect(rect);
w -= 2*rect.x;
*result = NSTwipsToIntPixels(attr*w/100, t2p);
}
}
else
*result = 0;
}
else
*result = 0;
return rv;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetHeight(PRUint32 *result)
{
nsresult rv;
const char *height;
rv = GetAttribute("HEIGHT", &height);
if (NS_OK == rv)
{
if (*result != 0)
{
*result = 0;
PRUint32 attr = (PRUint32)atol(height);
if(nsnull == strchr(height, '%'))
*result = attr;
else
{
if(mContext == nsnull)
return NS_ERROR_FAILURE;
attr = (attr > 100) ? 100 : attr;
attr = (attr < 0) ? 0 : attr;
float t2p;
mContext->GetTwipsToPixels(&t2p);
nsRect rect;
mContext->GetVisibleArea(rect);
nscoord h = rect.height;
if(mOwner == nsnull)
{
*result = NSTwipsToIntPixels(attr*h/100, t2p);
return NS_OK;
}
// now make it nicely fit counting margins
nsIFrame *parent;
mOwner->GetParent(&parent);
parent->GetRect(rect);
h -= 2*rect.y;
*result = NSTwipsToIntPixels(attr*h/100, t2p);
}
}
else
*result = 0;
}
else
*result = 0;
return rv;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetBorderVertSpace(PRUint32 *result)
{
nsresult rv;
const char *vspace;
rv = GetAttribute("VSPACE", &vspace);
if (NS_OK == rv)
{
if (*result != 0)
*result = (PRUint32)atol(vspace);
else
*result = 0;
}
else
*result = 0;
return rv;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetBorderHorizSpace(PRUint32 *result)
{
nsresult rv;
const char *hspace;
rv = GetAttribute("HSPACE", &hspace);
if (NS_OK == rv)
{
if (*result != 0)
*result = (PRUint32)atol(hspace);
else
*result = 0;
}
else
*result = 0;
return rv;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetUniqueID(PRUint32 *result)
{
*result = (PRUint32)mContext;
return NS_OK;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetCode(const char* *result)
{
return GetAttribute("CODE", result);
}
NS_IMETHODIMP nsPluginInstanceOwner::GetCodeBase(const char* *result)
{
return GetAttribute("CODEBASE", result);
}
NS_IMETHODIMP nsPluginInstanceOwner::GetArchive(const char* *result)
{
return GetAttribute("ARCHIVE", result);
}
NS_IMETHODIMP nsPluginInstanceOwner::GetName(const char* *result)
{
return GetAttribute("NAME", result);
}
NS_IMETHODIMP nsPluginInstanceOwner::GetMayScript(PRBool *result)
{
const char* unused;
*result = (GetAttribute("MAYSCRIPT", &unused) == NS_OK ? PR_TRUE : PR_FALSE);
return NS_OK;
}
// Here's where we forward events to plugins.
#ifdef XP_MAC
static void GUItoMacEvent(const nsGUIEvent& anEvent, EventRecord& aMacEvent)
{
::OSEventAvail(0, &aMacEvent);
switch (anEvent.message) {
case NS_GOTFOCUS:
aMacEvent.what = nsPluginEventType_GetFocusEvent;
break;
case NS_LOSTFOCUS:
aMacEvent.what = nsPluginEventType_LoseFocusEvent;
break;
case NS_MOUSE_MOVE:
case NS_MOUSE_ENTER:
aMacEvent.what = nsPluginEventType_AdjustCursorEvent;
break;
default:
aMacEvent.what = nullEvent;
break;
}
}
#endif
nsEventStatus nsPluginInstanceOwner::ProcessEvent(const nsGUIEvent& anEvent)
{
nsEventStatus rv = nsEventStatus_eIgnore;
#ifdef XP_MAC
if (mInstance != NULL) {
EventRecord* event = (EventRecord*)anEvent.nativeMsg;
if (event == NULL || event->what == nullEvent) {
EventRecord macEvent;
GUItoMacEvent(anEvent, macEvent);
event = &macEvent;
}
nsPluginPort* port = (nsPluginPort*)mWidget->GetNativeData(NS_NATIVE_PLUGIN_PORT);
nsPluginEvent pluginEvent = { event, nsPluginPlatformWindowRef(port->port) };
PRBool eventHandled = PR_FALSE;
mInstance->HandleEvent(&pluginEvent, &eventHandled);
if (eventHandled)
rv = nsEventStatus_eConsumeNoDefault;
}
#endif
//~~~
#ifdef XP_WIN
nsPluginEvent * pPluginEvent = (nsPluginEvent *)anEvent.nativeMsg;
PRBool eventHandled = PR_FALSE;
mInstance->HandleEvent(pPluginEvent, &eventHandled);
if (eventHandled)
rv = nsEventStatus_eConsumeNoDefault;
#endif
return rv;
}
// Paints are handled differently, so we just simulate an update event.
void nsPluginInstanceOwner::Paint(const nsRect& aDirtyRect, PRUint32 ndc)
{
#ifdef XP_MAC
if (mInstance != NULL) {
nsPluginPort* pluginPort = GetPluginPort();
EventRecord updateEvent;
::OSEventAvail(0, &updateEvent);
updateEvent.what = updateEvt;
updateEvent.message = UInt32(pluginPort->port);
nsPluginEvent pluginEvent = { &updateEvent, nsPluginPlatformWindowRef(pluginPort->port) };
PRBool eventHandled = PR_FALSE;
mInstance->HandleEvent(&pluginEvent, &eventHandled);
}
#endif
//~~~
#ifdef XP_WIN
nsPluginEvent pluginEvent;
pluginEvent.event = 0x000F; //!!! This is bad, but is it better to include <windows.h> for WM_PAINT only?
pluginEvent.wParam = (uint32)ndc;
pluginEvent.lParam = nsnull;
PRBool eventHandled = PR_FALSE;
mInstance->HandleEvent(&pluginEvent, &eventHandled);
#endif
}
// Here's how we give idle time to plugins.
void nsPluginInstanceOwner::Notify(nsITimer* /* timer */)
{
#ifdef XP_MAC
if (mInstance != NULL) {
EventRecord idleEvent;
::OSEventAvail(0, &idleEvent);
idleEvent.what = nullEvent;
nsPluginPort* pluginPort = GetPluginPort();
nsPluginEvent pluginEvent = { &idleEvent, nsPluginPlatformWindowRef(pluginPort->port) };
PRBool eventHandled = PR_FALSE;
mInstance->HandleEvent(&pluginEvent, &eventHandled);
}
#endif
// reprime the timer? currently have to create a new timer for each call, which is
// kind of wasteful. need to get periodic timers working on all platforms.
NS_IF_RELEASE(mPluginTimer);
if (NS_NewTimer(&mPluginTimer) == NS_OK)
mPluginTimer->Init(this, 1000 / 60);
}
void nsPluginInstanceOwner::CancelTimer()
{
if (mPluginTimer != NULL) {
mPluginTimer->Cancel();
NS_RELEASE(mPluginTimer);
}
}
NS_IMETHODIMP nsPluginInstanceOwner::Init(nsIPresContext* aPresContext, nsObjectFrame *aFrame)
{
//do not addref to avoid circular refs. MMP
mContext = aPresContext;
mOwner = aFrame;
return NS_OK;
}
nsPluginPort* nsPluginInstanceOwner::GetPluginPort()
{
//!!! Port must be released for windowless plugins on Windows, because it is HDC !!!
nsPluginPort* result = NULL;
if (mWidget != NULL)
{//~~~
#ifdef XP_WIN
if(mPluginWindow.type == nsPluginWindowType_Drawable)
result = (nsPluginPort*) mWidget->GetNativeData(NS_NATIVE_GRAPHIC);
else
#endif
result = (nsPluginPort*) mWidget->GetNativeData(NS_NATIVE_PLUGIN_PORT);
}
return result;
}
//~~~
void nsPluginInstanceOwner::ReleasePluginPort(nsPluginPort * pluginPort)
{
#ifdef XP_WIN
if (mWidget != NULL)
{
if(mPluginWindow.type == nsPluginWindowType_Drawable)
mWidget->FreeNativeData((HDC)pluginPort, NS_NATIVE_GRAPHIC);
}
#endif
}
NS_IMETHODIMP nsPluginInstanceOwner::CreateWidget(void)
{
nsIView *view;
nsresult rv = NS_ERROR_FAILURE;
if (nsnull != mOwner)
{
// Create view if necessary
mOwner->GetView(mContext, &view);
if (nsnull == view)
{
PRBool windowless;
mInstance->GetValue(nsPluginInstanceVariable_WindowlessBool, (void *)&windowless);
rv = mOwner->CreateWidget(mContext,
mPluginWindow.width,
mPluginWindow.height,
windowless);
if (NS_OK == rv)
{
mOwner->GetView(mContext, &view);
view->GetWidget(mWidget);
if (PR_TRUE == windowless)
{
mPluginWindow.type = nsPluginWindowType_Drawable;
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?
}
else
{
mPluginWindow.window = GetPluginPort();
mPluginWindow.type = nsPluginWindowType_Window;
#if defined(XP_MAC)
// start a periodic timer to provide null events to the plugin instance.
rv = NS_NewTimer(&mPluginTimer);
if (rv == NS_OK)
rv = mPluginTimer->Init(this, 1000 / 60);
#endif
}
}
}
}
return rv;
}
void nsPluginInstanceOwner::SetPluginHost(nsIPluginHost* aHost)
{
if(mPluginHost != nsnull)
NS_RELEASE(mPluginHost);
mPluginHost = aHost;
NS_ADDREF(mPluginHost);
}
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