/* -*- 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): * Pierre Phaneuf */ #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 "nsNetUtil.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 "nsINameSpaceManager.h" #include "nsIEventListener.h" #include "nsITimer.h" #include "nsITimerCallback.h" #include "nsLayoutAtoms.h" #include "nsIDocShellTreeItem.h" #include "nsIDocShellTreeOwner.h" #include "nsIWebBrowserChrome.h" #include "nsIDOMElement.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); NS_IMETHOD GetDOMElement(nsIDOMElement* *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 NS_IMETHOD_(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 Destroy(nsIPresContext* aPresContext); 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) { nsCOMPtr shell; aPresContext->GetShell(getter_AddRefs(shell)); nsIFrame * aNewFrame = nsnull; rv = NS_NewImageFrame(shell, &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::Destroy(nsIPresContext* aPresContext) { // we need to finish with the plugin before native window is destroyed // doing this in the destructor is too late. if(mInstanceOwner != nsnull) { nsIPluginInstance *inst; if(NS_OK == mInstanceOwner->GetInstance(inst)) { inst->SetWindow(nsnull); inst->Stop(); } } return nsObjectFrameSuper::Destroy(aPresContext); } 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 container; nsCOMPtr 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.Equals(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 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.Equals("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 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 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, 0, 0, 0, status); FinishReflowChild(child, aPresContext, kidDesiredSize, 0, 0, 0); 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 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->IsVisibleOrCollapsed()) { 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) { NS_ENSURE_ARG_POINTER(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) { if(mInstanceOwner == nsnull) return NS_ERROR_NULL_POINTER; else return mInstanceOwner->GetInstance(aPluginInstance); } nsresult NS_NewObjectFrame(nsIPresShell* aPresShell, nsIFrame** aNewFrame) { NS_PRECONDITION(aNewFrame, "null OUT ptr"); if (nsnull == aNewFrame) { return NS_ERROR_NULL_POINTER; } nsObjectFrame* it = new (aPresShell) 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); 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; } 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(NS_GET_IID(nsIPluginInstanceOwner))) { *aInstancePtrResult = (void *)((nsIPluginInstanceOwner *)this); AddRef(); return NS_OK; } if (aIID.Equals(NS_GET_IID(nsIPluginTagInfo)) || aIID.Equals(NS_GET_IID(nsIPluginTagInfo2))) { *aInstancePtrResult = (void *)((nsIPluginTagInfo2 *)this); AddRef(); return NS_OK; } if (aIID.Equals(NS_GET_IID(nsIJVMPluginTagInfo))) { *aInstancePtrResult = (void *)((nsIJVMPluginTagInfo *)this); AddRef(); return NS_OK; } if (aIID.Equals(NS_GET_IID(nsIEventListener))) { *aInstancePtrResult = (void *)((nsIEventListener *)this); AddRef(); return NS_OK; } if (aIID.Equals(NS_GET_IID(nsITimerCallback))) { *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::GetDOMElement(nsIDOMElement* *result) { nsresult rv = NS_ERROR_FAILURE; *result = nsnull; if (nsnull != mOwner) { nsIContent *cont; mOwner->GetContent(&cont); if (nsnull != cont) { rv = cont->QueryInterface(NS_GET_IID(nsIDOMElement), (void **)result); NS_RELEASE(cont); } } return rv; } 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) { nsCOMPtr cont; rv = mContext->GetContainer(getter_AddRefs(cont)); if ((NS_OK == rv) && (nsnull != cont)) { nsCOMPtr docShellItem(do_QueryInterface(cont)); if (docShellItem) { nsCOMPtr treeOwner; docShellItem->GetTreeOwner(getter_AddRefs(treeOwner)); if(treeOwner) { nsCOMPtr browserChrome(do_GetInterface(treeOwner)); if(browserChrome) { nsAutoString msg = nsAutoString(aStatusMsg); browserChrome->SetJSStatus(msg.GetUnicode()); } } } } } return rv; } NS_IMETHODIMP nsPluginInstanceOwner::GetDocument(nsIDocument* *aDocument) { nsresult rv = NS_ERROR_FAILURE; if (nsnull != mContext) { nsCOMPtr 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 shell; mContext->GetShell(getter_AddRefs(shell)); nsCOMPtr doc; shell->GetDocument(getter_AddRefs(doc)); nsCOMPtr 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 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. NS_IMETHODIMP_(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 #ifndef REPEATING_TIMERS // 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); #endif } 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, NS_PRIORITY_NORMAL, NS_TYPE_REPEATING_SLACK); #endif } } } } return rv; } void nsPluginInstanceOwner::SetPluginHost(nsIPluginHost* aHost) { if(mPluginHost != nsnull) NS_RELEASE(mPluginHost); mPluginHost = aHost; NS_ADDREF(mPluginHost); }