/* -*- 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 "nsIDOMKeyListener.h" #include "nsIPluginHost.h" #include "nsplugin.h" #include "nsString.h" #include "nsReadableUtils.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 "nsINameSpaceManager.h" #include "nsIEventListener.h" #include "nsIStringStream.h" // for NS_NewCharInputStream #include "nsITimer.h" #include "nsITimerCallback.h" #include "nsLayoutAtoms.h" #include "nsIDocShellTreeItem.h" #include "nsIDocShellTreeOwner.h" #include "nsIWebBrowserChrome.h" #include "nsIDOMElement.h" #include "nsContentPolicyUtils.h" #include "nsIDOMMouseListener.h" #include "nsIDOMFocusListener.h" #include "nsIDOMEventReceiver.h" #include "nsIPrivateDOMEvent.h" #include "nsIDocumentEncoder.h" #include "nsXPIDLString.h" #include "nsIDOMRange.h" #include "nsIPrintContext.h" // XXX temporary for Mac double buffering pref #include "nsIPref.h" // XXX For temporary paint code #include "nsIStyleContext.h" //~~~ For image mime types #include "nsMimeTypes.h" #include "nsObjectFrame.h" #include "nsIObjectFrame.h" #include "nsContentCID.h" static NS_DEFINE_IID(kRangeCID, NS_RANGE_CID); // XXX temporary for Mac double buffering pref static NS_DEFINE_CID(kPrefServiceCID, NS_PREF_CID); /* X headers suck */ #ifdef KeyPress #undef KeyPress #endif #define NATIVE_ERROR 05 class nsPluginInstanceOwner : public nsIPluginInstanceOwner, public nsIPluginTagInfo2, public nsIJVMPluginTagInfo, public nsIEventListener, public nsITimerCallback, public nsIDOMMouseListener, public nsIDOMKeyListener, public nsIDOMFocusListener { 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, PRUint32 aPostDataLen, void *aHeadersData, PRUint32 aHeadersDataLen); 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); /** nsIDOMMouseListener interfaces * @see nsIDOMMouseListener */ virtual nsresult MouseDown(nsIDOMEvent* aMouseEvent); virtual nsresult MouseUp(nsIDOMEvent* aMouseEvent); virtual nsresult MouseClick(nsIDOMEvent* aMouseEvent); virtual nsresult MouseDblClick(nsIDOMEvent* aMouseEvent); virtual nsresult MouseOver(nsIDOMEvent* aMouseEvent); virtual nsresult MouseOut(nsIDOMEvent* aMouseEvent); virtual nsresult HandleEvent(nsIDOMEvent* aEvent); /* END interfaces from nsIDOMMouseListener*/ // nsIDOMKeyListener interfaces virtual nsresult KeyDown(nsIDOMEvent* aKeyEvent); virtual nsresult KeyUp(nsIDOMEvent* aKeyEvent); virtual nsresult KeyPress(nsIDOMEvent* aKeyEvent); // end nsIDOMKeyListener interfaces // nsIDOMFocuListener interfaces virtual nsresult Focus(nsIDOMEvent * aFocusEvent); virtual nsresult Blur(nsIDOMEvent * aFocusEvent); nsresult Destroy(); //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); nsresult GetContainingBlock(nsIFrame *aFrame, nsIFrame **aContainingBlock); nsPluginPort* GetPluginPort(); void ReleasePluginPort(nsPluginPort * pluginPort);//~~~ void SetPluginHost(nsIPluginHost* aHost); #ifdef XP_MAC void FixUpPluginWindow(); #endif private: nsPluginWindow mPluginWindow; nsIPluginInstance *mInstance; nsObjectFrame *mOwner; PRInt32 mNumAttrs; char **mAttrNames; char **mAttrVals; PRInt32 mNumParams; char **mParamNames; char **mParamVals; char *mDocumentBase; char *mTagText; nsIWidget *mWidget; nsIPresContext *mContext; nsCOMPtr mPluginTimer; nsIPluginHost *mPluginHost; nsresult DispatchKeyToPlugin(nsIDOMEvent* aKeyEvent); nsresult DispatchMouseToPlugin(nsIDOMEvent* aMouseEvent); nsresult DispatchFocusToPlugin(nsIDOMEvent* aFocusEvent); }; // Mac specific code to fix up port position and clip during paint #ifdef XP_MAC // get the absolute widget position and clip static void GetWidgetPosAndClip(nsIWidget* aWidget,nscoord& aAbsX, nscoord& aAbsY, nsRect& aClipRect); static void ConvertTwipsToPixels(nsIPresContext& aPresContext, nsRect& aTwipsRect, nsRect& aPixelRect); // convert relative coordinates to absolute static void ConvertRelativeToWindowAbsolute(nsIFrame* aFrame, nsIPresContext* aPresContext, nsPoint& aRel, nsPoint& aAbs, nsIWidget *&aContainerWidget); #endif // XP_MAC nsObjectFrame::~nsObjectFrame() { // beard: stop the timer explicitly to reduce reference count. if (nsnull != mInstanceOwner) { mInstanceOwner->CancelTimer(); mInstanceOwner->Destroy(); } NS_IF_RELEASE(mWidget); NS_IF_RELEASE(mInstanceOwner); NS_IF_RELEASE(mFullURL); } NS_IMETHODIMP nsObjectFrame::QueryInterface(const nsIID& aIID, void** aInstancePtr) { NS_ENSURE_ARG_POINTER(aInstancePtr); *aInstancePtr = nsnull; #ifdef DEBUG if (aIID.Equals(NS_GET_IID(nsIFrameDebug))) { *aInstancePtr = NS_STATIC_CAST(nsIFrameDebug*,this); return NS_OK; } #endif if (aIID.Equals(NS_GET_IID(nsIObjectFrame))) { *aInstancePtr = NS_STATIC_CAST(nsIObjectFrame*,this); return NS_OK; } else if (aIID.Equals(NS_GET_IID(nsIFrame))) { *aInstancePtr = NS_STATIC_CAST(nsIFrame*,this); return NS_OK; } else if (aIID.Equals(NS_GET_IID(nsISupports))) { *aInstancePtr = NS_STATIC_CAST(nsIObjectFrame*,this); return NS_OK; } return NS_NOINTERFACE; } NS_IMETHODIMP_(nsrefcnt) nsObjectFrame::AddRef(void) { NS_WARNING("not supported for frames"); return 1; } NS_IMETHODIMP_(nsrefcnt) nsObjectFrame::Release(void) { NS_WARNING("not supported for frames"); return 1; } static NS_DEFINE_IID(kViewCID, NS_VIEW_CID); static NS_DEFINE_IID(kWidgetCID, NS_CHILD_CID); static NS_DEFINE_IID(kCAppShellCID, NS_APPSHELL_CID); static NS_DEFINE_IID(kCPluginManagerCID, NS_PLUGINMANAGER_CID); 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" // #define DO_DIRTY_INTERSECT 1 // enable dirty rect intersection during paint 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, nsnull, 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)) { PRBool doCache = PR_TRUE; PRBool doCallSetWindowAfterDestroy = PR_FALSE; // first, determine if the plugin wants to be cached inst->GetValue(nsPluginInstanceVariable_DoCacheBool, (void *) &doCache); if (!doCache) { // then determine if the plugin wants Destroy to be called after // Set Window. This is for bug 50547. inst->GetValue(nsPluginInstanceVariable_CallSetWindowAfterDestroyBool, (void *) &doCallSetWindowAfterDestroy); if (doCallSetWindowAfterDestroy) { inst->Stop(); inst->Destroy(); inst->SetWindow(nsnull); } else { inst->SetWindow(nsnull); inst->Stop(); inst->Destroy(); } } else { inst->SetWindow(nsnull); inst->Stop(); } NS_RELEASE(inst); } } 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) { #ifndef XP_MAC // Do not create a widget if 'hidden' (except for Mac, where we // always create a widget...) if (IsHidden()) return NS_OK; #endif nsIView* view; // Create our view and widget nsresult result = nsComponentManager::CreateInstance(kViewCID, nsnull, NS_GET_IID(nsIView), (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, 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 // Turn off double buffering on the Mac. This depends on bug 49743 and partially // fixes 32327, 19931 amd 51787 #ifdef XP_MAC nsCOMPtr prefs(do_GetService(kPrefServiceCID)); PRBool doubleBuffer = PR_FALSE; prefs ? prefs->GetBoolPref("plugin.enable_double_buffer", &doubleBuffer) : 0; viewMan->AllowDoubleBuffering(doubleBuffer); #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_WIDTH 240 #define EMBED_DEF_HEIGHT 200 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_WIDTH; PRUint32 height = EMBED_DEF_HEIGHT; if (NS_UNCONSTRAINEDSIZE != aReflowState.mComputedWidth) { aMetrics.width = aReflowState.mComputedWidth; haveWidth = PR_TRUE; } if (NS_UNCONSTRAINEDSIZE != aReflowState.mComputedHeight) { aMetrics.height = aReflowState.mComputedHeight; haveHeight = PR_TRUE; } if (IsHidden()) { // If we're hidden, then width and height are zero. haveWidth = haveHeight = PR_TRUE; aMetrics.width = aMetrics.height = 0; } else if(mInstanceOwner != nsnull) { // the first time, mInstanceOwner will be null, so we a temporary default // if no width and height attributes specified use embed_def_*. if(NS_OK != mInstanceOwner->GetWidth(&width)) { width = EMBED_DEF_WIDTH; haveWidth = PR_FALSE; } else haveWidth = PR_FALSE; if(NS_OK != mInstanceOwner->GetHeight(&height)) { height = EMBED_DEF_HEIGHT; haveHeight = PR_FALSE; } else haveHeight = PR_FALSE; } // XXX Temporary auto-sizing logic if (!haveWidth) { if (haveHeight) { aMetrics.width = aMetrics.height; } else { float p2t; aPresContext->GetScaledPixelsToTwips(&p2t); aMetrics.width = NSIntPixelsToTwips(width, p2t); } } if (!haveHeight) { if (haveWidth) { aMetrics.height = aMetrics.width; } else { float p2t; aPresContext->GetScaledPixelsToTwips(&p2t); aMetrics.height = NSIntPixelsToTwips(height, p2t); } } aMetrics.ascent = aMetrics.height; 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) { DO_GLOBAL_REFLOW_COUNT("nsObjectFrame", aReflowState.reason); nsresult rv = NS_OK; // 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); // determine if we are a printcontext nsCOMPtr thePrinterContext = do_QueryInterface(aPresContext); if (thePrinterContext) { // we are printing bail for now return rv; } // 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; nsCOMPtr baseURL; nsCOMPtr fullURL; 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)) { 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.EqualsWithConversion(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) { if (NS_FAILED(rv = GetBaseURL(*getter_AddRefs(baseURL)))) return rv; nsAutoString codeBase; if ((NS_CONTENT_ATTR_HAS_VALUE == mContent->GetAttribute(kNameSpaceID_HTML, nsHTMLAtoms::codebase, codeBase)) && !bJavaPluginClsid) { nsCOMPtr codeBaseURL; rv = NS_NewURI(getter_AddRefs(codeBaseURL), codeBase, baseURL); if (NS_SUCCEEDED(rv)) { baseURL = codeBaseURL; } } // Create an absolute URL if(bJavaPluginClsid) { rv = NS_NewURI(getter_AddRefs(fullURL), classid, baseURL); } else { fullURL = baseURL; } // get the nsIPluginHost interface pluginHost = do_GetService(kCPluginManagerCID); if (!pluginHost) return NS_ERROR_FAILURE; mInstanceOwner->SetPluginHost(pluginHost); rv = InstantiatePlugin(aPresContext, aMetrics, aReflowState, pluginHost, "application/x-java-vm", 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.EqualsWithConversion("browser")) { rv = InstantiateWidget(aPresContext, aMetrics, aReflowState, kCAppShellCID); } 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 (NS_FAILED(rv = GetBaseURL(*getter_AddRefs(baseURL)))) 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)) { nsCOMPtr codeBaseURL; rv = NS_NewURI(getter_AddRefs(fullURL), codeBase, baseURL); if (NS_SUCCEEDED(rv)) { baseURL = codeBaseURL; } } else { fullURL = baseURL; } // get the nsIPluginHost interface pluginHost = do_GetService(kCPluginManagerCID); if (!pluginHost) return NS_ERROR_FAILURE; mInstanceOwner->SetPluginHost(pluginHost); if (NS_SUCCEEDED( pluginHost->IsPluginEnabledForType("application/x-oleobject"))) rv = InstantiatePlugin(aPresContext, aMetrics, aReflowState, pluginHost, "application/x-oleobject", fullURL); else if (NS_SUCCEEDED( pluginHost->IsPluginEnabledForType("application/oleobject"))) rv = InstantiatePlugin(aPresContext, aMetrics, aReflowState, pluginHost, "application/oleobject", fullURL); else rv = NS_ERROR_FAILURE; } } // finish up if (NS_SUCCEEDED(rv)) { 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 nsAutoString src; if (NS_FAILED(rv = GetBaseURL(*getter_AddRefs(baseURL)))) return rv; // get the nsIPluginHost interface pluginHost = do_GetService(kCPluginManagerCID); if (!pluginHost) return NS_ERROR_FAILURE; mInstanceOwner->SetPluginHost(pluginHost); nsCOMPtr tag; mContent->GetTag(*getter_AddRefs(tag)); // check if it's an applet if (tag.get() == nsHTMLAtoms::applet) { 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)) { nsCOMPtr codeBaseURL; rv = NS_NewURI(getter_AddRefs(codeBaseURL), codeBase, baseURL); if(rv == NS_OK) { baseURL = codeBaseURL; } } // Create an absolute URL rv = NS_NewURI(getter_AddRefs(fullURL), src, baseURL); } rv = InstantiatePlugin(aPresContext, aMetrics, aReflowState, pluginHost, "application/x-java-vm", fullURL); } else // traditional plugin { nsXPIDLCString mimeType; nsAutoString type; mContent->GetAttribute(kNameSpaceID_HTML, nsHTMLAtoms::type, type); if (type.Length()) *getter_Copies(mimeType) = type.ToNewCString(); //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(getter_AddRefs(fullURL), src, baseURL); if (NS_FAILED(rv)) // Failed to create URI, maybe because we didn't // reconize the protocol handler ==> treat like // no 'src' was specified in the embed tag fullURL = baseURL; } else if (NS_CONTENT_ATTR_HAS_VALUE == mContent->GetAttribute(kNameSpaceID_HTML, nsHTMLAtoms::data, src)) { // Create an absolute URL rv = NS_NewURI(getter_AddRefs(fullURL), src, baseURL); if (NS_FAILED(rv)) // Failed to create URI, maybe because we didn't // reconize the protocol handler ==> treat like // no 'data' was specified in the object tag fullURL = baseURL; } else { // we didn't find a src or data param, so just set the url to the base fullURL = baseURL; } // 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()) { nsXPIDLCString extension; PRInt32 offset = src.RFindChar(PRUnichar('.')); if (offset != kNotFound) *getter_Copies(extension) = ToNewCString(Substring(src, offset+1, src.Length())); pluginHost->IsPluginEnabledForExtension(extension, *getter_Shares(mimeType)); } rv = InstantiatePlugin(aPresContext, aMetrics, aReflowState, pluginHost, mimeType, fullURL); } } else rv = ReinstantiatePlugin(aPresContext, aMetrics, aReflowState); // finish up if (NS_SUCCEEDED(rv)) { 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); if((rv = nsComponentManager::CreateInstance(aWidgetCID, nsnull, NS_GET_IID(nsIWidget), (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); // on the Mac we need to set the clipRect to { 0, 0, 0, 0 } for now. This will keep // us from drawing on screen until the widget is properly positioned, which will not // happen until we have finished the reflow process. window->clipRect.top = 0; window->clipRect.left = 0; #ifndef XP_MAC window->clipRect.bottom = NSTwipsToIntPixels(aMetrics.height, t2p); window->clipRect.right = NSTwipsToIntPixels(aMetrics.width, t2p); #else window->clipRect.bottom = 0; window->clipRect.right = 0; #endif #ifdef XP_UNIX window->ws_info = nsnull; //XXX need to figure out what this is. MMP #endif // Check to see if content-policy wants to veto this if(aURL != nsnull) { PRBool shouldLoad = PR_TRUE; // default permit nsresult rv; nsCOMPtr element = do_QueryInterface(mContent, &rv); // For pinkerton: a symphony for string conversion, in 3 parts. nsXPIDLCString urlCString; aURL->GetSpec(getter_Copies(urlCString)); nsAutoString url; url.AssignWithConversion((const char *)urlCString); if (NS_SUCCEEDED(rv) && NS_SUCCEEDED(NS_CheckContentLoadPolicy(nsIContentPolicy::CONTENT_OBJECT, url, element, &shouldLoad)) && !shouldLoad) { return NS_OK; } } 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); // ignore this for now on the Mac because the widget is not properly positioned // yet and won't be until we have finished the reflow process. #ifndef XP_MAC window->clipRect.top = 0; window->clipRect.left = 0; window->clipRect.bottom = NSTwipsToIntPixels(aMetrics.height, t2p); window->clipRect.right = NSTwipsToIntPixels(aMetrics.width, t2p); #endif #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(NS_GET_IID(nsIHTMLContent), (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(NS_GET_IID(nsIHTMLContent), (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; } PRBool nsObjectFrame::IsHidden() const { // check the style visibility first const nsStyleDisplay* disp = (const nsStyleDisplay*)mStyleContext->GetStyleData(eStyleStruct_Display); if (disp != nsnull) { if(!disp->IsVisibleOrCollapsed()) return PR_TRUE; } nsCOMPtr tag; mContent->GetTag(*getter_AddRefs(tag)); if (tag.get() != nsHTMLAtoms::object) { // The tag doesn't support the 'hidden' attribute, but // everything else does... nsAutoString hidden; mContent->GetAttribute(kNameSpaceID_None, nsHTMLAtoms::hidden, hidden); // Yes, these are really the kooky ways that you could tell 4.x // not to hide the once you'd put the 'hidden' attribute // on the tag... // these |NS_ConvertASCIItoUCS2|s can't be |NS_LITERAL_STRING|s until |EqualsIgnoreCase| get's fixed if (hidden.Length() && ! hidden.EqualsIgnoreCase(NS_ConvertASCIItoUCS2("false")) && ! hidden.EqualsIgnoreCase(NS_ConvertASCIItoUCS2("no")) && ! hidden.EqualsIgnoreCase(NS_ConvertASCIItoUCS2("off"))) { // The or is hidden. return PR_TRUE; } } return PR_FALSE; } 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 && !IsHidden()) { 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. #ifndef XP_MAC // 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; #else // now that we have finished the reflow process, the widget is properly positioned // and we can validate the plugin clipping information by syncing the plugin // window info to reflect the current widget location. mInstanceOwner->FixUpPluginWindow(); #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) { // determine if we are a printcontext nsCOMPtr thePrinterContext = do_QueryInterface(aPresContext); if (thePrinterContext) { // we are printing bail for now return NS_OK; } 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; } #if defined (XP_MAC) // delegate all painting to the plugin instance. if ((NS_FRAME_PAINT_LAYER_FOREGROUND == aWhichLayer) && (nsnull != mInstanceOwner)) { mInstanceOwner->Paint(aDirtyRect); } #elif defined (XP_PC) if (NS_FRAME_PAINT_LAYER_FOREGROUND == aWhichLayer) { 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); } } } #endif /* !XP_MAC */ DO_GLOBAL_REFLOW_COUNT_DSP("nsObjectFrame", &aRenderingContext); 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 rv = nsObjectFrameSuper::HandleEvent(aPresContext, anEvent, anEventStatus); return rv; #endif switch (anEvent->message) { case NS_DESTROY: mInstanceOwner->CancelTimer(); break; case NS_GOTFOCUS: case NS_LOSTFOCUS: *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; } //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; mTagText = nsnull; mPluginHost = nsnull; } nsPluginInstanceOwner::~nsPluginInstanceOwner() { PRInt32 cnt; // shut off the timer. if (mPluginTimer != nsnull) { mPluginTimer->Cancel(); } if (nsnull != mInstance) { if (mPluginHost) mPluginHost->StopPluginInstance(mInstance); NS_RELEASE(mInstance); } NS_IF_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; } if (nsnull != mTagText) { nsCRT::free(mTagText); mTagText = 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(NS_GET_IID(nsIDOMMouseListener))) { *aInstancePtrResult = (void*)(nsIDOMMouseListener*) this; AddRef(); return NS_OK; } if (aIID.Equals(NS_GET_IID(nsIDOMKeyListener))) { *aInstancePtrResult = (void*)(nsIDOMKeyListener*) this; AddRef(); return NS_OK; } if (aIID.Equals(NS_GET_IID(nsIDOMFocusListener))) { *aInstancePtrResult = (void*)(nsIDOMFocusListener*) this; AddRef(); return NS_OK; } if (aIID.Equals(NS_GET_IID(nsISupports))) { *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; nsCOMPtr atom; nsCOMPtr prefix; iContent->GetAttributeNameAt(index, nameSpaceID, *getter_AddRefs(atom), *getter_AddRefs(prefix)); nsAutoString value; if (NS_CONTENT_ATTR_HAS_VALUE == iContent->GetAttribute(nameSpaceID, atom, value)) { nsAutoString name; atom->ToString(name); /* Changing to ToNewUTF8String addressing 17169, 39789 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; } } */ mAttrNames[mNumAttrs] = name.ToNewUTF8String(); mAttrVals[mNumAttrs] = value.ToNewUTF8String(); mNumAttrs++; } } } 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, PRUint32 aPostDataLen, void *aHeadersData, PRUint32 aHeadersDataLen) { 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(NS_GET_IID(nsILinkHandler), (void **)&lh); if (NS_OK == rv) { nsAutoString uniurl; uniurl.AssignWithConversion(aURL); nsAutoString unitarget; unitarget.AssignWithConversion(aTarget); nsAutoString fullurl; nsIURI* baseURL; nsCOMPtr doc; rv = GetDocument(getter_AddRefs(doc)); if (NS_SUCCEEDED(rv) && doc) { rv = doc->GetBaseURL(baseURL); // gets the document's url } else { mOwner->GetFullURL(baseURL); // gets the plugin's content url } // Create an absolute URL rv = NS_MakeAbsoluteURI(fullurl, uniurl, baseURL); NS_IF_RELEASE(baseURL); if (NS_OK == rv) { nsIContent* content = nsnull; mOwner->GetContent(&content); nsCOMPtr result = nsnull; nsCOMPtr postDataStream; nsCOMPtr headersDataStream; if (aPostData) { NS_NewPostDataStream(getter_AddRefs(postDataStream), PR_FALSE, (const char *) aPostData, 0); } if (aHeadersData) { NS_NewByteInputStream(getter_AddRefs(result), (const char *) aHeadersData, aHeadersDataLen); if (result) { headersDataStream = do_QueryInterface(result, &rv); } } rv = lh->OnLinkClick(content, eLinkVerb_Replace, fullurl.GetUnicode(), unitarget.GetUnicode(), postDataStream, headersDataStream); 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; msg.AssignWithConversion(aStatusMsg); browserChrome->SetStatus(nsIWebBrowserChrome::STATUS_SCRIPT, 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) { if (nsnull == mTagText) { nsresult rv; nsCOMPtr content; rv = mOwner->GetContent(getter_AddRefs(content)); if (NS_FAILED(rv)) return rv; nsCOMPtr node(do_QueryInterface(content, &rv)); if (NS_FAILED(rv)) return rv; nsCOMPtr document; rv = GetDocument(getter_AddRefs(document)); if (NS_FAILED(rv)) return rv; nsCOMPtr docEncoder(do_CreateInstance(NS_DOC_ENCODER_CONTRACTID_BASE "text/html", &rv)); if (NS_FAILED(rv)) return rv; rv = docEncoder->Init(document, NS_LITERAL_STRING("text/html"), nsIDocumentEncoder::OutputEncodeEntities); if (NS_FAILED(rv)) return rv; nsCOMPtr range(do_CreateInstance(kRangeCID,&rv)); if (NS_FAILED(rv)) return rv; rv = range->SelectNode(node); if (NS_FAILED(rv)) return rv; docEncoder->SetRange(range); nsString elementHTML; rv = docEncoder->EncodeToString(elementHTML); if (NS_FAILED(rv)) return rv; mTagText = elementHTML.ToNewUTF8String(); if (!mTagText) return NS_ERROR_OUT_OF_MEMORY; } *result = mTagText; return NS_OK; } 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))) { /* Changing to ToNewUTF8String addressing 17169, 39789 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; } } */ mParamNames[mNumParams] = name.ToNewUTF8String(); mParamVals[mNumParams] = val.ToNewUTF8String(); mNumParams++; } } 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; PRInt32 attr = atol(width); if(nsnull == strchr(width, '%')) *result = (PRUint32)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 *containingBlock=nsnull; rv = GetContainingBlock(mOwner, &containingBlock); if (NS_SUCCEEDED(rv) && containingBlock) { containingBlock->GetRect(rect); w -= 2*rect.x; // XXX: this math seems suspect to me. Is the parent's margin really twice the x-offset? // in CSS, a frame can have independent left and right margins } *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; PRInt32 attr = atol(height); if(nsnull == strchr(height, '%')) *result = (PRUint32)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 *containingBlock=nsnull; rv = GetContainingBlock(mOwner, &containingBlock); if (NS_SUCCEEDED(rv) && containingBlock) { containingBlock->GetRect(rect); h -= 2*rect.y; // XXX: this math seems suspect to me. Is the parent's margin really twice the x-offset? // in CSS, a frame can have independent top and bottom margins } *result = NSTwipsToIntPixels(attr*h/100, t2p); } } else *result = 0; } else *result = 0; return rv; } // it would indicate a serious error in the frame model if aContainingBlock were null when // GetContainingBlock returns nsresult nsPluginInstanceOwner::GetContainingBlock(nsIFrame *aFrame, nsIFrame **aContainingBlock) { NS_ENSURE_ARG_POINTER(aFrame); NS_ENSURE_ARG_POINTER(aContainingBlock); *aContainingBlock = nsnull; nsIFrame *containingBlock = aFrame; while (containingBlock) { PRBool isContainingBlock=PR_FALSE; nsresult rv = containingBlock->IsPercentageBase(isContainingBlock); NS_ENSURE_SUCCESS(rv, rv); if (isContainingBlock) { *aContainingBlock = containingBlock; break; } containingBlock->GetParent(&containingBlock); } NS_POSTCONDITION(*aContainingBlock, "bad frame model, this object frame has no containing block"); return NS_OK; } 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 #if TARGET_CARBON inline Boolean OSEventAvail(EventMask mask, EventRecord* event) { return EventAvail(mask, event); } #endif static void GUItoMacEvent(const nsGUIEvent& anEvent, EventRecord& aMacEvent) { ::OSEventAvail(0, &aMacEvent); switch (anEvent.message) { case NS_GOTFOCUS: case NS_FOCUS_EVENT_START: 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 /*=============== nsIFocusListener ======================*/ nsresult nsPluginInstanceOwner::Focus(nsIDOMEvent * aFocusEvent) { return DispatchFocusToPlugin(aFocusEvent); } nsresult nsPluginInstanceOwner::Blur(nsIDOMEvent * aFocusEvent) { return DispatchFocusToPlugin(aFocusEvent); } nsresult nsPluginInstanceOwner::DispatchFocusToPlugin(nsIDOMEvent* aFocusEvent) { #ifndef XP_WIN // on Windows, events are sent directly to plugins through child windows nsCOMPtr privateEvent(do_QueryInterface(aFocusEvent)); if (privateEvent) { nsGUIEvent* focusEvent = nsnull; privateEvent->GetInternalNSEvent((nsEvent**)&focusEvent); if (focusEvent) { nsEventStatus rv = ProcessEvent(*focusEvent); if (nsEventStatus_eConsumeNoDefault == rv) { aFocusEvent->PreventDefault(); aFocusEvent->PreventBubble(); return NS_ERROR_FAILURE; // means consume event } } else NS_ASSERTION(PR_FALSE, "nsPluginInstanceOwner::DispatchFocusToPlugin failed, focusEvent null"); } else NS_ASSERTION(PR_FALSE, "nsPluginInstanceOwner::DispatchFocusToPlugin failed, privateEvent null"); return NS_OK; #else return NS_ERROR_FAILURE; // means consume event #endif } /*=============== nsIKeyListener ======================*/ nsresult nsPluginInstanceOwner::KeyDown(nsIDOMEvent* aKeyEvent) { return DispatchKeyToPlugin(aKeyEvent); } nsresult nsPluginInstanceOwner::KeyUp(nsIDOMEvent* aKeyEvent) { return DispatchKeyToPlugin(aKeyEvent); } nsresult nsPluginInstanceOwner::KeyPress(nsIDOMEvent* aKeyEvent) { if (mInstance) { // If this event is going to the plugin, we want to kill it. // Not actually sending keypress to the plugin, since we didn't before. aKeyEvent->PreventDefault(); aKeyEvent->PreventBubble(); return NS_ERROR_FAILURE; // means consume event } return NS_OK; } nsresult nsPluginInstanceOwner::DispatchKeyToPlugin(nsIDOMEvent* aKeyEvent) { #ifndef XP_WIN // on Windows, events are sent directly to plugins through child windows if (mInstance) { nsCOMPtr privateEvent(do_QueryInterface(aKeyEvent)); if (privateEvent) { nsKeyEvent* keyEvent = nsnull; privateEvent->GetInternalNSEvent((nsEvent**)&keyEvent); if (keyEvent) { nsEventStatus rv = ProcessEvent(*keyEvent); if (nsEventStatus_eConsumeNoDefault == rv) { aKeyEvent->PreventDefault(); aKeyEvent->PreventBubble(); return NS_ERROR_FAILURE; // means consume event } } else NS_ASSERTION(PR_FALSE, "nsPluginInstanceOwner::DispatchKeyToPlugin failed, keyEvent null"); } else NS_ASSERTION(PR_FALSE, "nsPluginInstanceOwner::DispatchKeyToPlugin failed, privateEvent null"); } return NS_OK; #else return NS_ERROR_FAILURE; // means consume event #endif } /*=============== nsIMouseListener ======================*/ nsresult nsPluginInstanceOwner::MouseDown(nsIDOMEvent* aMouseEvent) { #ifndef XP_WIN // on Windows, events are sent directly to plugins through child windows nsCOMPtr privateEvent(do_QueryInterface(aMouseEvent)); if (privateEvent) { nsMouseEvent* mouseEvent = nsnull; privateEvent->GetInternalNSEvent((nsEvent**)&mouseEvent); if (mouseEvent) { nsEventStatus rv = ProcessEvent(*mouseEvent); if (nsEventStatus_eConsumeNoDefault == rv) { return NS_ERROR_FAILURE; // means consume event } } else NS_ASSERTION(PR_FALSE, "nsPluginInstanceOwner::MouseDown failed, mouseEvent null"); } else NS_ASSERTION(PR_FALSE, "nsPluginInstanceOwner::MouseDown failed, privateEvent null"); return NS_OK; #else return NS_ERROR_FAILURE; // means consume event #endif } nsresult nsPluginInstanceOwner::MouseUp(nsIDOMEvent* aMouseEvent) { return DispatchMouseToPlugin(aMouseEvent); } nsresult nsPluginInstanceOwner::MouseClick(nsIDOMEvent* aMouseEvent) { return DispatchMouseToPlugin(aMouseEvent); } nsresult nsPluginInstanceOwner::MouseDblClick(nsIDOMEvent* aMouseEvent) { return DispatchMouseToPlugin(aMouseEvent); } nsresult nsPluginInstanceOwner::MouseOver(nsIDOMEvent* aMouseEvent) { return DispatchMouseToPlugin(aMouseEvent); } nsresult nsPluginInstanceOwner::MouseOut(nsIDOMEvent* aMouseEvent) { return DispatchMouseToPlugin(aMouseEvent); } nsresult nsPluginInstanceOwner::DispatchMouseToPlugin(nsIDOMEvent* aMouseEvent) { #ifndef XP_WIN // on Windows, events are sent directly to plugins through child windows nsCOMPtr privateEvent(do_QueryInterface(aMouseEvent)); if (privateEvent) { nsMouseEvent* mouseEvent = nsnull; privateEvent->GetInternalNSEvent((nsEvent**)&mouseEvent); if (mouseEvent) { nsEventStatus rv = ProcessEvent(*mouseEvent); if (nsEventStatus_eConsumeNoDefault == rv) { aMouseEvent->PreventDefault(); aMouseEvent->PreventBubble(); return NS_ERROR_FAILURE; // means consume event } } else NS_ASSERTION(PR_FALSE, "nsPluginInstanceOwner::DispatchMouseToPlugin failed, mouseEvent null"); } else NS_ASSERTION(PR_FALSE, "nsPluginInstanceOwner::DispatchMouseToPlugin failed, privateEvent null"); return NS_OK; #else return NS_ERROR_FAILURE; // means consume event #endif } nsresult nsPluginInstanceOwner::HandleEvent(nsIDOMEvent* aEvent) { return NS_OK; } nsEventStatus nsPluginInstanceOwner::ProcessEvent(const nsGUIEvent& anEvent) { nsEventStatus rv = nsEventStatus_eIgnore; if (!mInstance) // if mInstance is null, we shouldn't be here return rv; #ifdef XP_MAC if (mWidget != NULL) { // check for null mWidget EventRecord* event = (EventRecord*)anEvent.nativeMsg; if ((event == NULL) || (event->what == nullEvent) || ((int)event < NATIVE_ERROR)) { 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 && anEvent.message != NS_MOUSE_LEFT_BUTTON_DOWN) 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; } nsresult nsPluginInstanceOwner::Destroy() { nsCOMPtr content; mOwner->GetContent(getter_AddRefs(content)); // Unregister focus event listener if (content) { nsCOMPtr receiver(do_QueryInterface(content)); if (receiver) { nsCOMPtr focusListener; QueryInterface(NS_GET_IID(nsIDOMFocusListener), getter_AddRefs(focusListener)); if (focusListener) { receiver->RemoveEventListenerByIID(focusListener, NS_GET_IID(nsIDOMFocusListener)); } else NS_ASSERTION(PR_FALSE, "Unable to remove event listener for plugin"); } else NS_ASSERTION(PR_FALSE, "plugin was not an event listener"); } else NS_ASSERTION(PR_FALSE, "plugin had no content"); // Unregister mouse event listener if (content) { nsCOMPtr receiver(do_QueryInterface(content)); if (receiver) { nsCOMPtr mouseListener; QueryInterface(NS_GET_IID(nsIDOMMouseListener), getter_AddRefs(mouseListener)); if (mouseListener) { receiver->RemoveEventListenerByIID(mouseListener, NS_GET_IID(nsIDOMMouseListener)); } else NS_ASSERTION(PR_FALSE, "Unable to remove event listener for plugin"); } else NS_ASSERTION(PR_FALSE, "plugin was not an event listener"); } else NS_ASSERTION(PR_FALSE, "plugin had no content"); // Unregister key event listener; if (content) { nsCOMPtr receiver(do_QueryInterface(content)); if (receiver) { nsCOMPtr keyListener; QueryInterface(NS_GET_IID(nsIDOMKeyListener), getter_AddRefs(keyListener)); if (keyListener) { receiver->RemoveEventListener(NS_LITERAL_STRING("keypress"), keyListener, PR_TRUE); receiver->RemoveEventListener(NS_LITERAL_STRING("keydown"), keyListener, PR_TRUE); receiver->RemoveEventListener(NS_LITERAL_STRING("keyup"), keyListener, PR_TRUE); } else NS_ASSERTION(PR_FALSE, "Unable to remove event listener for plugin"); } else NS_ASSERTION(PR_FALSE, "plugin was not an event listener"); } else NS_ASSERTION(PR_FALSE, "plugin had no content"); return NS_OK; } // 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(); #ifdef DO_DIRTY_INTERSECT // aDirtyRect isn't always correct, see bug 56128 nsPoint rel(aDirtyRect.x, aDirtyRect.y); nsPoint abs(0,0); nsCOMPtr containerWidget; // Convert dirty rect relative coordinates to absolute and also get the containerWidget ConvertRelativeToWindowAbsolute(mOwner, mContext, rel, abs, *getter_AddRefs(containerWidget)); nsRect absDirtyRect = nsRect(abs.x, abs.y, aDirtyRect.width, aDirtyRect.height); // Convert to absolute pixel values for the dirty rect nsRect absDirtyRectInPixels; ConvertTwipsToPixels(*mContext, absDirtyRect, absDirtyRectInPixels); #endif // Add in child windows absolute position to get make the dirty rect // relative to the top-level window. nscoord absWidgetX = 0; nscoord absWidgetY = 0; nsRect widgetClip(0,0,0,0); GetWidgetPosAndClip(mWidget,absWidgetX,absWidgetY,widgetClip); #ifdef DO_DIRTY_INTERSECT // skip intersection for now because possible bad aDirtyRect absDirtyRectInPixels.x += absWidgetX; absDirtyRectInPixels.y += absWidgetY; widgetClip.IntersectRect(widgetClip, absDirtyRectInPixels); #endif // set the port mPluginWindow.x = absWidgetX; mPluginWindow.y = absWidgetY; // fix up the clipping region mPluginWindow.clipRect.top = widgetClip.y; mPluginWindow.clipRect.left = widgetClip.x; mPluginWindow.clipRect.bottom = mPluginWindow.clipRect.top + widgetClip.height; mPluginWindow.clipRect.right = mPluginWindow.clipRect.left + widgetClip.width; 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 // validate the plugin clipping information by syncing the plugin window info to // reflect the current widget location. This makes sure that everything is updated // correctly in the event of scrolling in the window. FixUpPluginWindow(); 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. nsresult rv; mPluginTimer = do_CreateInstance("@mozilla.org/timer;1", &rv); if (NS_SUCCEEDED(rv)) mPluginTimer->Init(this, 1000 / 60); #endif } void nsPluginInstanceOwner::CancelTimer() { if (mPluginTimer) { mPluginTimer->Cancel(); } } NS_IMETHODIMP nsPluginInstanceOwner::Init(nsIPresContext* aPresContext, nsObjectFrame *aFrame) { //do not addref to avoid circular refs. MMP mContext = aPresContext; mOwner = aFrame; nsCOMPtr content; mOwner->GetContent(getter_AddRefs(content)); // Register focus listener if (content) { nsCOMPtr receiver(do_QueryInterface(content)); if (receiver) { nsCOMPtr focusListener; QueryInterface(NS_GET_IID(nsIDOMFocusListener), getter_AddRefs(focusListener)); if (focusListener) { receiver->AddEventListenerByIID(focusListener, NS_GET_IID(nsIDOMFocusListener)); } } } // Register mouse listener if (content) { nsCOMPtr receiver(do_QueryInterface(content)); if (receiver) { nsCOMPtr mouseListener; QueryInterface(NS_GET_IID(nsIDOMMouseListener), getter_AddRefs(mouseListener)); if (mouseListener) { receiver->AddEventListenerByIID(mouseListener, NS_GET_IID(nsIDOMMouseListener)); } } } // Register key listener if (content) { nsCOMPtr receiver(do_QueryInterface(content)); if (receiver) { nsCOMPtr keyListener; QueryInterface(NS_GET_IID(nsIDOMKeyListener), getter_AddRefs(keyListener)); if (keyListener) { receiver->AddEventListener(NS_LITERAL_STRING("keypress"), keyListener, PR_TRUE); receiver->AddEventListener(NS_LITERAL_STRING("keydown"), keyListener, PR_TRUE); receiver->AddEventListener(NS_LITERAL_STRING("keyup"), keyListener, PR_TRUE); return NS_OK; } } } NS_ASSERTION(PR_FALSE, "plugin could not be added as a mouse listener"); return NS_ERROR_NO_INTERFACE; } 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; float p2t; if (nsnull != mOwner) { // Create view if necessary mOwner->GetView(mContext, &view); if (nsnull == view) { PRBool windowless; mInstance->GetValue(nsPluginInstanceVariable_WindowlessBool, (void *)&windowless); // always create widgets in Twips, not pixels mContext->GetScaledPixelsToTwips(&p2t); rv = mOwner->CreateWidget(mContext, NSIntPixelsToTwips(mPluginWindow.width, p2t), NSIntPixelsToTwips(mPluginWindow.height, p2t), windowless); if (NS_OK == rv) { mOwner->GetView(mContext, &view); if (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 if (mWidget) { mWidget->Resize(mPluginWindow.width, mPluginWindow.height, PR_FALSE); mPluginWindow.window = GetPluginPort(); mPluginWindow.type = nsPluginWindowType_Window; #if defined(XP_MAC) // start a periodic timer to provide null events to the plugin instance. mPluginTimer = do_CreateInstance("@mozilla.org/timer;1", &rv); 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_IF_ADDREF(mPluginHost); } // Mac specific code to fix up the port location and clipping region #ifdef XP_MAC // calculate the absolute position and clip for a widget // and use other windows in calculating the clip static void GetWidgetPosAndClip(nsIWidget* aWidget,nscoord& aAbsX, nscoord& aAbsY, nsRect& aClipRect) { aWidget->GetBounds(aClipRect); aAbsX = aClipRect.x; aAbsY = aClipRect.y; nscoord ancestorX = -aClipRect.x, ancestorY = -aClipRect.y; // Calculate clipping relative to the widget passed in aClipRect.x = 0; aClipRect.y = 0; // Gather up the absolute position of the widget // + clip window nsCOMPtr widget = getter_AddRefs(aWidget->GetParent()); while (widget != nsnull) { nsRect wrect; widget->GetClientBounds(wrect); nscoord wx, wy; wx = wrect.x; wy = wrect.y; wrect.x = ancestorX; wrect.y = ancestorY; aClipRect.IntersectRect(aClipRect, wrect); aAbsX += wx; aAbsY += wy; widget = getter_AddRefs(widget->GetParent()); if (widget == nsnull) { // Don't include the top-level windows offset // printf("Top level window offset %d %d\n", wx, wy); aAbsX -= wx; aAbsY -= wy; } ancestorX -=wx; ancestorY -=wy; } aClipRect.x += aAbsX; aClipRect.y += aAbsY; //printf("--------------\n"); //printf("Widget clip X %d Y %d rect %d %d %d %d\n", aAbsX, aAbsY, aClipRect.x, aClipRect.y, aClipRect.width, aClipRect.height ); //printf("--------------\n"); } #ifdef DO_DIRTY_INTERSECT // Convert from a frame relative coordinate to a coordinate relative to its // containing window static void ConvertRelativeToWindowAbsolute(nsIFrame* aFrame, nsIPresContext* aPresContext, nsPoint& aRel, nsPoint& aAbs, nsIWidget *& aContainerWidget) { aAbs.x = 0; aAbs.y = 0; nsIView *view = nsnull; // See if this frame has a view aFrame->GetView(aPresContext, &view); if (nsnull == view) { // Calculate frames offset from its nearest view aFrame->GetOffsetFromView(aPresContext, aAbs, &view); } else { // Store frames offset from its view. nsRect rect; aFrame->GetRect(rect); aAbs.x = rect.x; aAbs.y = rect.y; } if (view != nsnull) { // Caclulate the views offset from its nearest widget nscoord viewx = 0; nscoord viewy = 0; view->GetWidget(aContainerWidget); if (nsnull == aContainerWidget) { view->GetOffsetFromWidget(&viewx, &viewy, aContainerWidget/**getter_AddRefs(widget)*/); aAbs.x += viewx; aAbs.y += viewy; // GetOffsetFromWidget does not include the views offset, so we need to add // that in. nsRect bounds; view->GetBounds(bounds); aAbs.x += bounds.x; aAbs.y += bounds.y; } nsRect widgetBounds; aContainerWidget->GetBounds(widgetBounds); } else { NS_ASSERTION(PR_FALSE, "the object frame does not have a view"); } // Add relative coordinate to the absolute coordinate that has been calculated aAbs += aRel; } // Convert from a frame relative coordinate to a coordinate relative to its // containing window static void ConvertTwipsToPixels(nsIPresContext& aPresContext, nsRect& aTwipsRect, nsRect& aPixelRect) { float t2p; aPresContext.GetTwipsToPixels(&t2p); aPixelRect.x = NSTwipsToIntPixels(aTwipsRect.x, t2p); aPixelRect.y = NSTwipsToIntPixels(aTwipsRect.y, t2p); aPixelRect.width = NSTwipsToIntPixels(aTwipsRect.width, t2p); aPixelRect.height = NSTwipsToIntPixels(aTwipsRect.height, t2p); } #endif // DO_DIRTY_INTERSECT void nsPluginInstanceOwner::FixUpPluginWindow() { if (mWidget) { nscoord absWidgetX = 0; nscoord absWidgetY = 0; nsRect widgetClip(0,0,0,0); GetWidgetPosAndClip(mWidget,absWidgetX,absWidgetY,widgetClip); // set the port coordinates mPluginWindow.x = absWidgetX; mPluginWindow.y = absWidgetY; // fix up the clipping region mPluginWindow.clipRect.top = widgetClip.y; mPluginWindow.clipRect.left = widgetClip.x; mPluginWindow.clipRect.bottom = mPluginWindow.clipRect.top + widgetClip.height; mPluginWindow.clipRect.right = mPluginWindow.clipRect.left + widgetClip.width; } } #endif // XP_MAC