/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ // vim:set ts=2 sts=2 sw=2 et cin: /* ***** BEGIN LICENSE BLOCK ***** * Version: MPL 1.1/GPL 2.0/LGPL 2.1 * * The contents of this file are subject to the Mozilla 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/MPL/ * * 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 the Initial Developer are Copyright (C) 1998 * the Initial Developer. All Rights Reserved. * * Contributor(s): * Pierre Phaneuf * Jacek Piskozub * Leon Sha * Roland Mainz * Robert O'Callahan * Christian Biesinger * * Alternatively, the contents of this file may be used under the terms of * either of the GNU General Public License Version 2 or later (the "GPL"), * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), * in which case the provisions of the GPL or the LGPL are applicable instead * of those above. If you wish to allow use of your version of this file only * under the terms of either the GPL or the LGPL, and not to allow others to * use your version of this file under the terms of the MPL, indicate your * decision by deleting the provisions above and replace them with the notice * and other provisions required by the GPL or the LGPL. If you do not delete * the provisions above, a recipient may use your version of this file under * the terms of any one of the MPL, the GPL or the LGPL. * * ***** END LICENSE BLOCK ***** */ /* rendering objects for replaced elements implemented by a plugin */ #include "nscore.h" #include "nsCOMPtr.h" #include "nsPresContext.h" #include "nsIPresShell.h" #include "nsWidgetsCID.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 "nsGkAtoms.h" #include "nsIDocument.h" #include "nsINodeInfo.h" #include "nsIURL.h" #include "nsNetUtil.h" #include "nsIPluginInstanceOwner.h" #include "plstr.h" #include "nsILinkHandler.h" #ifdef OJI #include "nsIJVMPluginTagInfo.h" #endif #include "nsIEventListener.h" #include "nsIScrollableView.h" #include "nsIScrollPositionListener.h" #include "nsITimer.h" #include "nsIDocShellTreeItem.h" #include "nsIDocShellTreeOwner.h" #include "nsDocShellCID.h" #include "nsIWebBrowserChrome.h" #include "nsIDOMElement.h" #include "nsIDOMNodeList.h" #include "nsIDOMHTMLObjectElement.h" #include "nsIDOMHTMLEmbedElement.h" #include "nsIDOMHTMLAppletElement.h" #include "nsIDOMWindow.h" #include "nsIDOMDocumentEvent.h" #include "nsIDOMMouseListener.h" #include "nsIDOMMouseMotionListener.h" #include "nsIDOMFocusListener.h" #include "nsIDOMContextMenuListener.h" #include "nsIDOMDragListener.h" #include "nsIDOMEventReceiver.h" #include "nsIDOMNSEvent.h" #include "nsIPrivateDOMEvent.h" #include "nsIDocumentEncoder.h" #include "nsXPIDLString.h" #include "nsIDOMRange.h" #include "nsIPluginWidget.h" #include "nsGUIEvent.h" #include "nsIRenderingContext.h" #include "npapi.h" #include "nsTransform2D.h" #include "nsIImageLoadingContent.h" #include "nsIObjectLoadingContent.h" #include "nsPIDOMWindow.h" #include "nsContentUtils.h" #include "nsDisplayList.h" #include "nsAttrName.h" #include "nsDataHashtable.h" // headers for plugin scriptability #include "nsIScriptGlobalObject.h" #include "nsIScriptContext.h" #include "nsIXPConnect.h" #include "nsIXPCScriptable.h" #include "nsIClassInfo.h" #include "nsObjectFrame.h" #include "nsIObjectFrame.h" #include "nsPluginNativeWindow.h" #include "nsPIPluginHost.h" #include "nsIPluginDocument.h" #ifdef MOZ_CAIRO_GFX #include "gfxContext.h" #endif // accessibility support #ifdef ACCESSIBILITY #include "nsIAccessibilityService.h" #endif #ifdef MOZ_LOGGING #define FORCE_PR_LOG 1 /* Allow logging in the release build */ #endif /* MOZ_LOGGING */ #include "prlog.h" #include #include "nsContentCID.h" static NS_DEFINE_CID(kRangeCID, NS_RANGE_CID); /* X headers suck */ #ifdef KeyPress #undef KeyPress #endif #ifdef XP_WIN #include #include #endif #ifdef CreateEvent // Thank you MS. #undef CreateEvent #endif #ifdef PR_LOGGING static PRLogModuleInfo *nsObjectFrameLM = PR_NewLogModule("nsObjectFrame"); #endif /* PR_LOGGING */ // 1020 / 60 #define NORMAL_PLUGIN_DELAY 17 // low enough to avoid audio skipping/delays #define HIDDEN_PLUGIN_DELAY 100 // special class for handeling DOM context menu events because for // some reason it starves other mouse events if implemented on the // same class class nsPluginDOMContextMenuListener : public nsIDOMContextMenuListener, public nsIEventListener { public: nsPluginDOMContextMenuListener(); virtual ~nsPluginDOMContextMenuListener(); NS_DECL_ISUPPORTS NS_IMETHOD ContextMenu(nsIDOMEvent* aContextMenuEvent); nsresult Init(nsIContent* aContent); nsresult Destroy(nsIContent* aContent); NS_IMETHOD HandleEvent(nsIDOMEvent* aEvent) { return NS_OK; } nsEventStatus ProcessEvent(const nsGUIEvent& anEvent) { return nsEventStatus_eConsumeNoDefault; } }; class nsPluginInstanceOwner : public nsIPluginInstanceOwner, public nsIPluginTagInfo2, #ifdef OJI public nsIJVMPluginTagInfo, #endif public nsIEventListener, public nsITimerCallback, public nsIDOMMouseListener, public nsIDOMMouseMotionListener, public nsIDOMKeyListener, public nsIDOMFocusListener, public nsIScrollPositionListener, public nsIDOMDragListener { 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, PRBool isFile = PR_FALSE); NS_IMETHOD ShowStatus(const char *aStatusMsg); NS_IMETHOD ShowStatus(const PRUnichar *aStatusMsg); NS_IMETHOD GetDocument(nsIDocument* *aDocument); NS_IMETHOD InvalidateRect(nsPluginRect *invalidRect); NS_IMETHOD InvalidateRegion(nsPluginRegion invalidRegion); NS_IMETHOD ForceRedraw(); NS_IMETHOD GetValue(nsPluginInstancePeerVariable variable, void *value); //nsIPluginTagInfo interface NS_IMETHOD GetAttributes(PRUint16& n, const char*const*& names, const char*const*& values); NS_IMETHOD GetAttribute(const char* name, const char* *result); //nsIPluginTagInfo2 interface NS_IMETHOD GetTagType(nsPluginTagType *result); NS_IMETHOD GetTagText(const char* *result); NS_IMETHOD GetParameters(PRUint16& n, const char*const*& names, const char*const*& values); NS_IMETHOD GetParameter(const char* name, const char* *result); NS_IMETHOD GetDocumentBase(const char* *result); NS_IMETHOD GetDocumentEncoding(const char* *result); NS_IMETHOD GetAlignment(const char* *result); NS_IMETHOD GetWidth(PRUint32 *result); NS_IMETHOD GetHeight(PRUint32 *result); NS_IMETHOD GetBorderVertSpace(PRUint32 *result); NS_IMETHOD GetBorderHorizSpace(PRUint32 *result); NS_IMETHOD GetUniqueID(PRUint32 *result); NS_IMETHOD GetDOMElement(nsIDOMElement* *result); #ifdef OJI //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); #endif /* OJI */ /** nsIDOMMouseListener interfaces * @see nsIDOMMouseListener */ NS_IMETHOD MouseDown(nsIDOMEvent* aMouseEvent); NS_IMETHOD MouseUp(nsIDOMEvent* aMouseEvent); NS_IMETHOD MouseClick(nsIDOMEvent* aMouseEvent); NS_IMETHOD MouseDblClick(nsIDOMEvent* aMouseEvent); NS_IMETHOD MouseOver(nsIDOMEvent* aMouseEvent); NS_IMETHOD MouseOut(nsIDOMEvent* aMouseEvent); NS_IMETHOD HandleEvent(nsIDOMEvent* aEvent); /* END interfaces from nsIDOMMouseListener*/ // nsIDOMMouseListener intefaces NS_IMETHOD MouseMove(nsIDOMEvent* aMouseEvent); NS_IMETHOD DragMove(nsIDOMEvent* aMouseEvent) { return NS_OK; } // nsIDOMKeyListener interfaces NS_IMETHOD KeyDown(nsIDOMEvent* aKeyEvent); NS_IMETHOD KeyUp(nsIDOMEvent* aKeyEvent); NS_IMETHOD KeyPress(nsIDOMEvent* aKeyEvent); // end nsIDOMKeyListener interfaces // nsIDOMFocuListener interfaces NS_IMETHOD Focus(nsIDOMEvent * aFocusEvent); NS_IMETHOD Blur(nsIDOMEvent * aFocusEvent); // nsIDOMDragListener interfaces NS_IMETHOD DragEnter(nsIDOMEvent* aMouseEvent); NS_IMETHOD DragOver(nsIDOMEvent* aMouseEvent); NS_IMETHOD DragExit(nsIDOMEvent* aMouseEvent); NS_IMETHOD DragDrop(nsIDOMEvent* aMouseEvent); NS_IMETHOD DragGesture(nsIDOMEvent* aMouseEvent); nsresult Destroy(); //nsIEventListener interface nsEventStatus ProcessEvent(const nsGUIEvent & anEvent); void Paint(const nsRect& aDirtyRect, PRUint32 ndc = 0); // nsITimerCallback interface NS_DECL_NSITIMERCALLBACK void CancelTimer(); void StartTimer(unsigned int aDelay); // nsIScrollPositionListener interface NS_IMETHOD ScrollPositionWillChange(nsIScrollableView* aScrollable, nscoord aX, nscoord aY); NS_IMETHOD ScrollPositionDidChange(nsIScrollableView* aScrollable, nscoord aX, nscoord aY); //locals nsresult Init(nsPresContext* aPresContext, nsObjectFrame* aFrame, nsIContent* aContent); nsPluginPort* GetPluginPort(); void ReleasePluginPort(nsPluginPort * pluginPort); void SetPluginHost(nsIPluginHost* aHost); #ifdef XP_MACOSX nsPluginPort* FixUpPluginWindow(PRInt32 inPaintState); void GUItoMacEvent(const nsGUIEvent& anEvent, EventRecord* origEvent, EventRecord& aMacEvent); #endif private: void FixUpURLS(const nsString &name, nsAString &value); nsPluginNativeWindow *mPluginWindow; nsCOMPtr mInstance; nsObjectFrame *mOwner; nsCOMPtr mContent; nsCString mDocumentBase; char *mTagText; nsCOMPtr mWidget; nsCOMPtr mPluginTimer; nsCOMPtr mPluginHost; PRPackedBool mContentFocused; PRPackedBool mWidgetVisible; // used on Mac to store our widget's visible state PRUint16 mNumCachedAttrs; PRUint16 mNumCachedParams; char **mCachedAttrParamNames; char **mCachedAttrParamValues; nsPluginDOMContextMenuListener * mCXMenuListener; // pointer to wrapper for nsIDOMContextMenuListener nsresult DispatchKeyToPlugin(nsIDOMEvent* aKeyEvent); nsresult DispatchMouseToPlugin(nsIDOMEvent* aMouseEvent); nsresult DispatchFocusToPlugin(nsIDOMEvent* aFocusEvent); nsresult EnsureCachedAttrParamArrays(); }; #if defined(XP_WIN) || (defined(DO_DIRTY_INTERSECT) && defined(XP_MACOSX)) static void ConvertAppUnitsToPixels(nsPresContext& aPresContext, nsRect& aTwipsRect, nsRect& aPixelRect); #endif // Mac specific code to fix up port position and clip during paint #ifdef XP_MACOSX #ifdef DO_DIRTY_INTERSECT // convert relative coordinates to absolute static void ConvertRelativeToWindowAbsolute(nsIFrame* aFrame, nsPoint& aRel, nsPoint& aAbs, nsIWidget *&aContainerWidget); #endif enum { ePluginPaintIgnore, ePluginPaintEnable, ePluginPaintDisable }; #endif // XP_MACOSX nsObjectFrame::~nsObjectFrame() { } 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; } #ifdef ACCESSIBILITY NS_IMETHODIMP nsObjectFrame::GetAccessible(nsIAccessible** aAccessible) { nsCOMPtr accService = do_GetService("@mozilla.org/accessibilityService;1"); if (accService) { return accService->CreateHTMLObjectFrameAccessible(this, aAccessible); } return NS_ERROR_FAILURE; } #ifdef XP_WIN NS_IMETHODIMP nsObjectFrame::GetPluginPort(HWND *aPort) { *aPort = (HWND) mInstanceOwner->GetPluginPort(); return NS_OK; } #endif #endif static NS_DEFINE_CID(kWidgetCID, NS_CHILD_CID); static NS_DEFINE_CID(kCPluginManagerCID, NS_PLUGINMANAGER_CID); // #define DO_DIRTY_INTERSECT 1 // enable dirty rect intersection during paint NS_IMETHODIMP nsObjectFrame::Init(nsIContent* aContent, nsIFrame* aParent, nsIFrame* aPrevInFlow) { #ifdef DEBUG mInstantiating = PR_FALSE; #endif nsresult rv = nsObjectFrameSuper::Init(aContent, aParent, aPrevInFlow); nsCOMPtr objContent(do_QueryInterface(mContent)); NS_ASSERTION(objContent, "Why not an object loading content?"); objContent->HasNewFrame(this); return rv; } void nsObjectFrame::Destroy() { NS_ASSERTION(!mInstantiating, "about to crash due to bug 136927"); // we need to finish with the plugin before native window is destroyed // doing this in the destructor is too late. StopPlugin(); nsObjectFrameSuper::Destroy(); } nsIAtom* nsObjectFrame::GetType() const { return nsGkAtoms::objectFrame; } PRBool nsObjectFrame::IsFrameOfType(PRUint32 aFlags) const { return !(aFlags & ~(eReplaced)); } #ifdef DEBUG NS_IMETHODIMP nsObjectFrame::GetFrameName(nsAString& aResult) const { return MakeFrameName(NS_LITERAL_STRING("ObjectFrame"), aResult); } #endif nsresult nsObjectFrame::CreateWidgetForView(nsIView* aView) { // Bug 179822: Create widget and allow non-unicode SubClass nsWidgetInitData initData; initData.mUnicode = PR_FALSE; return aView->CreateWidget(kWidgetCID, &initData); } nsresult nsObjectFrame::CreateWidget(nscoord aWidth, nscoord aHeight, PRBool aViewOnly) { nsIView* view = GetView(); NS_ASSERTION(view, "Object frames must have views"); if (!view) { return NS_OK; //XXX why OK? MMP } nsIViewManager* viewMan = view->GetViewManager(); // mark the view as hidden since we don't know the (x,y) until Paint // XXX is the above comment correct? viewMan->SetViewVisibility(view, nsViewVisibility_kHide); // Turn off double buffering on the Mac. This depends on bug 49743 and partially // fixes 32327, 19931 and 51787 #ifdef XP_MACOSX PRBool doubleBuffer = nsContentUtils::GetBoolPref("plugin.enable_double_buffer"); viewMan->AllowDoubleBuffering(doubleBuffer); #endif //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; nsRect r(0, 0, mRect.width, mRect.height); GetOffsetFromView(origin, &parentWithView); viewMan->ResizeView(view, r); viewMan->MoveViewTo(view, origin.x, origin.y); if (!aViewOnly && !view->HasWidget()) { nsresult rv = CreateWidgetForView(view); if (NS_FAILED(rv)) { return NS_OK; //XXX why OK? MMP } } { // Here we set the background color for this widget because some plugins will use // the child window background color when painting. If it's not set, it may default to gray // Sometimes, a frame doesn't have a background color or is transparent. In this // case, walk up the frame tree until we do find a frame with a background color for (nsIFrame* frame = this; frame; frame = frame->GetParent()) { const nsStyleBackground* background = frame->GetStyleBackground(); if (!background->IsTransparent()) { // make sure we got an actual color nsIWidget* win = view->GetWidget(); if (win) win->SetBackgroundColor(background->mBackgroundColor); break; } } } viewMan->SetViewVisibility(view, nsViewVisibility_kShow); return NS_OK; } #define EMBED_DEF_WIDTH 240 #define EMBED_DEF_HEIGHT 200 /* virtual */ nscoord nsObjectFrame::GetMinWidth(nsIRenderingContext *aRenderingContext) { nscoord result = 0; if (!IsHidden(PR_FALSE)) { nsIAtom *atom = mContent->Tag(); if (atom == nsGkAtoms::applet || atom == nsGkAtoms::embed) { result = nsPresContext::CSSPixelsToAppUnits(EMBED_DEF_WIDTH); } } DISPLAY_MIN_WIDTH(this, result); return result; } /* virtual */ nscoord nsObjectFrame::GetPrefWidth(nsIRenderingContext *aRenderingContext) { return nsObjectFrame::GetMinWidth(aRenderingContext); } void nsObjectFrame::GetDesiredSize(nsPresContext* aPresContext, const nsHTMLReflowState& aReflowState, nsHTMLReflowMetrics& aMetrics) { // By default, we have no area aMetrics.width = 0; aMetrics.height = 0; if (IsHidden(PR_FALSE)) { return; } aMetrics.width = aReflowState.ComputedWidth(); aMetrics.height = aReflowState.mComputedHeight; // for EMBED and APPLET, default to 240x200 for compatibility nsIAtom *atom = mContent->Tag(); if (atom == nsGkAtoms::applet || atom == nsGkAtoms::embed) { if (aMetrics.width == NS_UNCONSTRAINEDSIZE) { aMetrics.width = PR_MIN(PR_MAX(nsPresContext::CSSPixelsToAppUnits(EMBED_DEF_WIDTH), aReflowState.mComputedMinWidth), aReflowState.mComputedMaxWidth); } if (aMetrics.height == NS_UNCONSTRAINEDSIZE) { aMetrics.height = PR_MIN(PR_MAX(nsPresContext::CSSPixelsToAppUnits(EMBED_DEF_HEIGHT), aReflowState.mComputedMinHeight), aReflowState.mComputedMaxHeight); } #if defined (MOZ_WIDGET_GTK) || defined (MOZ_WIDGET_GTK2) || defined (MOZ_WIDGET_XLIB) // We need to make sure that the size of the object frame does not // exceed the maximum size of X coordinates. See bug #225357 for // more information. In theory Gtk2 can handle large coordinates, // but underlying plugins can't. aMetrics.height = PR_MIN(aPresContext->DevPixelsToAppUnits(PR_INT16_MAX), aMetrics.height); aMetrics.width = PR_MIN(aPresContext->DevPixelsToAppUnits(PR_INT16_MAX), aMetrics.width); #endif } // At this point, the width has an unconstrained value only if we have // nothing to go on (no width set, no information from the plugin, nothing). // Make up a number. if (aMetrics.width == NS_UNCONSTRAINEDSIZE) { aMetrics.width = (aReflowState.mComputedMinWidth != NS_UNCONSTRAINEDSIZE) ? aReflowState.mComputedMinWidth : 0; } // At this point, the height has an unconstrained value only in two cases: // a) We are in standards mode with percent heights and parent is auto-height // b) We have no height information at all. // In either case, we have to make up a number. if (aMetrics.height == NS_UNCONSTRAINEDSIZE) { aMetrics.height = (aReflowState.mComputedMinHeight != NS_UNCONSTRAINEDSIZE) ? aReflowState.mComputedMinHeight : 0; } // XXXbz don't add in the border and padding, because we screw up our // plugin's size and positioning if we do... Eventually we _do_ want to // paint borders, though! At that point, we will need to adjust the desired // size either here or in Reflow.... Further, we will need to fix Paint() to // call the superclass in all cases. } NS_IMETHODIMP nsObjectFrame::Reflow(nsPresContext* aPresContext, nsHTMLReflowMetrics& aMetrics, const nsHTMLReflowState& aReflowState, nsReflowStatus& aStatus) { DO_GLOBAL_REFLOW_COUNT("nsObjectFrame"); DISPLAY_REFLOW(aPresContext, this, aReflowState, aMetrics, aStatus); // Get our desired size GetDesiredSize(aPresContext, aReflowState, aMetrics); // delay plugin instantiation until all children have // arrived. Otherwise there may be PARAMs or other stuff that the // plugin needs to see that haven't arrived yet. if (!GetContent()->IsDoneAddingChildren()) { aStatus = NS_FRAME_COMPLETE; return NS_OK; } // if we are printing or print previewing, bail for now if (aPresContext->Medium() == nsGkAtoms::print) { aStatus = NS_FRAME_COMPLETE; return NS_OK; } FixupWindow(nsSize(aMetrics.width, aMetrics.height)); aStatus = NS_FRAME_COMPLETE; NS_FRAME_SET_TRUNCATION(aStatus, aReflowState, aMetrics); return NS_OK; } nsresult nsObjectFrame::InstantiatePlugin(nsIPluginHost* aPluginHost, const char* aMimeType, nsIURI* aURI) { #ifdef DEBUG mInstantiating = PR_TRUE; #endif NS_ASSERTION(mContent, "We should have a content node."); nsIDocument* doc = mContent->GetOwnerDoc(); nsCOMPtr pDoc (do_QueryInterface(doc)); nsresult rv; if (pDoc) { /* full-page mode */ nsCOMPtr stream; rv = aPluginHost->InstantiateFullPagePlugin(aMimeType, aURI, /* resulting stream listener */ *getter_AddRefs(stream), mInstanceOwner); if (NS_SUCCEEDED(rv)) pDoc->SetStreamListener(stream); } else { /* embedded mode */ rv = aPluginHost->InstantiateEmbeddedPlugin(aMimeType, aURI, mInstanceOwner); } #ifdef DEBUG mInstantiating = PR_FALSE; #endif // XXX having to do this sucks. it'd be better to move the code from DidReflow // to FixupWindow or something. AddStateBits(NS_FRAME_IS_DIRTY); GetPresContext()->GetPresShell()-> FrameNeedsReflow(this, nsIPresShell::eStyleChange); return rv; } void nsObjectFrame::FixupWindow(const nsSize& aSize) { nsPresContext* presContext = GetPresContext(); if (!mInstanceOwner) return; nsPluginWindow *window; mInstanceOwner->GetWindow(window); NS_ENSURE_TRUE(window, /**/); nsPoint origin; nsIView *parentWithView; GetOffsetFromView(origin, &parentWithView); window->x = presContext->AppUnitsToDevPixels(origin.x); window->y = presContext->AppUnitsToDevPixels(origin.y); window->width = presContext->AppUnitsToDevPixels(aSize.width); window->height = presContext->AppUnitsToDevPixels(aSize.height); // 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; #ifdef XP_MACOSX window->clipRect.bottom = 0; window->clipRect.right = 0; #else window->clipRect.bottom = presContext->AppUnitsToDevPixels(aSize.height); window->clipRect.right = presContext->AppUnitsToDevPixels(aSize.width); #endif } PRBool nsObjectFrame::IsFocusable(PRInt32 *aTabIndex, PRBool aWithMouse) { if (aTabIndex) *aTabIndex = -1; return nsObjectFrameSuper::IsFocusable(aTabIndex, aWithMouse); } PRBool nsObjectFrame::IsHidden(PRBool aCheckVisibilityStyle) const { if (aCheckVisibilityStyle) { if (!GetStyleVisibility()->IsVisibleOrCollapsed()) return PR_TRUE; } // only tags support the HIDDEN attribute if (mContent->Tag() == nsGkAtoms::embed) { // 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... // HIDDEN w/ no attributes gets translated as we are hidden for // compatibility w/ 4.x and IE so we don't create a non-painting // widget in layout. See bug 188959. nsAutoString hidden; if (mContent->GetAttr(kNameSpaceID_None, nsGkAtoms::hidden, hidden) && (hidden.IsEmpty() || !hidden.LowerCaseEqualsLiteral("false") && !hidden.LowerCaseEqualsLiteral("no") && !hidden.LowerCaseEqualsLiteral("off"))) { return PR_TRUE; } } return PR_FALSE; } nsPoint nsObjectFrame::GetWindowOriginInPixels(PRBool aWindowless) { nsIView * parentWithView; nsPoint origin(0,0); GetOffsetFromView(origin, &parentWithView); // if it's windowless, let's make sure we have our origin set right // it may need to be corrected, like after scrolling if (aWindowless && parentWithView) { nsIViewManager* parentVM = parentWithView->GetViewManager(); // Walk up all the views and add up their positions until we // reach the first view with a window (non-null widget). This will give us our // position relative to the containing window which is what we want to give the plugin nsIView* theView = parentWithView; while (theView && !theView->GetWidget()) { if (theView->GetViewManager() != parentVM) break; origin += theView->GetPosition(); theView = theView->GetParent(); } } origin.x = GetPresContext()->AppUnitsToDevPixels(origin.x); origin.y = GetPresContext()->AppUnitsToDevPixels(origin.y); return origin; } NS_IMETHODIMP nsObjectFrame::DidReflow(nsPresContext* aPresContext, const nsHTMLReflowState* aReflowState, nsDidReflowStatus aStatus) { nsresult rv = nsObjectFrameSuper::DidReflow(aPresContext, aReflowState, aStatus); // The view is created hidden; once we have reflowed it and it has been // positioned then we show it. if (aStatus != NS_FRAME_REFLOW_FINISHED) return rv; PRBool bHidden = IsHidden(); if (HasView()) { nsIView* view = GetView(); nsIViewManager* vm = view->GetViewManager(); if (vm) vm->SetViewVisibility(view, bHidden ? nsViewVisibility_kHide : nsViewVisibility_kShow); } nsPluginWindow *win = nsnull; nsCOMPtr pi; if (!mInstanceOwner || NS_FAILED(rv = mInstanceOwner->GetInstance(*getter_AddRefs(pi))) || !pi || NS_FAILED(rv = mInstanceOwner->GetWindow(win)) || !win) return rv; nsPluginNativeWindow *window = (nsPluginNativeWindow *)win; #ifdef XP_MACOSX mInstanceOwner->FixUpPluginWindow(ePluginPaintDisable); #endif if (bHidden) return rv; PRBool windowless = (window->type == nsPluginWindowType_Drawable); nsPoint origin = GetWindowOriginInPixels(windowless); window->x = origin.x; window->y = origin.y; // refresh the plugin port as well window->window = mInstanceOwner->GetPluginPort(); // this will call pi->SetWindow and take care of window subclassing // if needed, see bug 132759 window->CallSetWindow(pi); mInstanceOwner->ReleasePluginPort((nsPluginPort *)window->window); return rv; } static void PaintPrintPlugin(nsIFrame* aFrame, nsIRenderingContext* aCtx, const nsRect& aDirtyRect, nsPoint aPt) { nsIRenderingContext::AutoPushTranslation translate(aCtx, aPt.x, aPt.y); NS_STATIC_CAST(nsObjectFrame*, aFrame)->PrintPlugin(*aCtx, aDirtyRect); } static void PaintPlugin(nsIFrame* aFrame, nsIRenderingContext* aCtx, const nsRect& aDirtyRect, nsPoint aPt) { nsIRenderingContext::AutoPushTranslation translate(aCtx, aPt.x, aPt.y); NS_STATIC_CAST(nsObjectFrame*, aFrame)->PaintPlugin(*aCtx, aDirtyRect); } NS_IMETHODIMP nsObjectFrame::BuildDisplayList(nsDisplayListBuilder* aBuilder, const nsRect& aDirtyRect, const nsDisplayListSet& aLists) { // XXX why are we painting collapsed object frames? if (!IsVisibleOrCollapsedForPainting(aBuilder)) return NS_OK; nsresult rv = DisplayBorderBackgroundOutline(aBuilder, aLists); NS_ENSURE_SUCCESS(rv, rv); nsPresContext::nsPresContextType type = GetPresContext()->Type(); // If we are painting in Print Preview do nothing.... if (type == nsPresContext::eContext_PrintPreview) return NS_OK; DO_GLOBAL_REFLOW_COUNT_DSP("nsObjectFrame"); // determine if we are printing if (type == nsPresContext::eContext_Print) return aLists.Content()->AppendNewToTop(new (aBuilder) nsDisplayGeneric(this, PaintPrintPlugin, "PrintPlugin")); return aLists.Content()->AppendNewToTop(new (aBuilder) nsDisplayGeneric(this, ::PaintPlugin, "Plugin")); } void nsObjectFrame::PrintPlugin(nsIRenderingContext& aRenderingContext, const nsRect& aDirtyRect) { // if we are printing, we need to get the correct nsIPluginInstance // for THIS content node in order to call ->Print() on the right plugin // first, we need to get the document nsIDocument* doc = mContent->GetCurrentDoc(); if (!doc) return; // now we need to get the shell for the screen // XXX assuming that the shell at zero will always be the screen one nsIPresShell *shell = doc->GetShellAt(0); if (!shell) return; // then the shell can give us the screen frame for this content node nsIFrame* frame = shell->GetPrimaryFrameFor(mContent); if (!frame) return; nsPresContext* presContext = GetPresContext(); // make sure this is REALLY an nsIObjectFrame // we may need to go through the children to get it nsIObjectFrame* objectFrame = nsnull; CallQueryInterface(frame,&objectFrame); if (!objectFrame) objectFrame = GetNextObjectFrame(presContext,frame); if (!objectFrame) return; // finally we can get our plugin instance nsCOMPtr pi; if (NS_FAILED(objectFrame->GetPluginInstance(*getter_AddRefs(pi))) || !pi) return; // now we need to setup the correct location for printing nsresult rv; nsPluginWindow window; window.window = nsnull; // prepare embedded mode printing struct nsPluginPrint npprint; npprint.mode = nsPluginMode_Embedded; // we need to find out if we are windowless or not PRBool windowless = PR_FALSE; pi->GetValue(nsPluginInstanceVariable_WindowlessBool, (void *)&windowless); window.type = windowless ? nsPluginWindowType_Drawable : nsPluginWindowType_Window; // Get the offset of the DC nsTransform2D* rcTransform; aRenderingContext.GetCurrentTransform(rcTransform); nsPoint origin; rcTransform->GetTranslationCoord(&origin.x, &origin.y); // set it all up // XXX is windowless different? window.x = origin.x; window.y = origin.y; window.width = presContext->AppUnitsToDevPixels(mRect.width); window.height= presContext->AppUnitsToDevPixels(mRect.height); window.clipRect.bottom = 0; window.clipRect.top = 0; window.clipRect.left = 0; window.clipRect.right = 0; // XXX platform specific printing code #if defined(XP_UNIX) && !defined(XP_MACOSX) /* UNIX does things completely differently: * We call the plugin and it sends generated PostScript data into a * file handle we provide. If the plugin returns with success we embed * this PostScript code fragment into the PostScript job we send to the * printer. */ PR_LOG(nsObjectFrameLM, PR_LOG_DEBUG, ("nsObjectFrame::Paint() start for X11 platforms\n")); FILE *plugintmpfile = tmpfile(); if (!plugintmpfile) { PR_LOG(nsObjectFrameLM, PR_LOG_DEBUG, ("error: could not open tmp. file, errno=%d\n", errno)); return; } /* Send off print info to plugin */ NPPrintCallbackStruct npPrintInfo; npPrintInfo.type = NP_PRINT; npPrintInfo.fp = plugintmpfile; npprint.print.embedPrint.platformPrint = (void *)&npPrintInfo; /* aDirtyRect contains the right information for ps print */ window.x = aDirtyRect.x; window.y = aDirtyRect.y; window.width = aDirtyRect.width; window.height = aDirtyRect.height; npprint.print.embedPrint.window = window; rv = pi->Print(&npprint); if (NS_FAILED(rv)) { PR_LOG(nsObjectFrameLM, PR_LOG_DEBUG, ("error: plugin returned failure %lx\n", (long)rv)); fclose(plugintmpfile); return; } /* Send data to printer */ rv = aRenderingContext.RenderEPS(aDirtyRect, plugintmpfile); fclose(plugintmpfile); PR_LOG(nsObjectFrameLM, PR_LOG_DEBUG, ("plugin printing done, return code is %lx\n", (long)rv)); #else // we need the native printer device context to pass to plugin // On Windows, this will be the HDC void* dc; dc = aRenderingContext.GetNativeGraphicData(nsIRenderingContext::NATIVE_WINDOWS_DC); npprint.print.embedPrint.platformPrint = dc; npprint.print.embedPrint.window = window; // send off print info to plugin rv = pi->Print(&npprint); #endif // XXX Nav 4.x always sent a SetWindow call after print. Should we do the same? nsDidReflowStatus status = NS_FRAME_REFLOW_FINISHED; // should we use a special status? frame->DidReflow(presContext, nsnull, status); // DidReflow will take care of it } void nsObjectFrame::PaintPlugin(nsIRenderingContext& aRenderingContext, const nsRect& aDirtyRect) { // Screen painting code #if defined(XP_MACOSX) // delegate all painting to the plugin instance. if (mInstanceOwner) mInstanceOwner->Paint(aDirtyRect); #elif defined (XP_WIN) // || defined(XP_OS2) // XXX for OS/2 we need to overhaul this for Cairo builds // for now just ignore plugin stuff nsCOMPtr inst; GetPluginInstance(*getter_AddRefs(inst)); if (inst) { // Look if it's windowless nsPluginWindow * window; mInstanceOwner->GetWindow(window); if (window->type == nsPluginWindowType_Drawable) { // check if we need to call SetWindow with updated parameters PRBool doupdatewindow = PR_FALSE; // the offset of the DC nsPoint origin; // check if we need to update hdc HDC hdc = (HDC)aRenderingContext.GetNativeGraphicData(nsIRenderingContext::NATIVE_WINDOWS_DC); if (NS_REINTERPRET_CAST(PRUint32, window->window) != (PRUint32)(HDC)hdc) { window->window = NS_REINTERPRET_CAST(nsPluginPort*, hdc); doupdatewindow = PR_TRUE; } /* * Layout now has an optimized way of painting. Now we always get * a new drawing surface, sized to be just what's needed. Windowless * plugins need a transform applied to their origin so they paint * in the right place. Since |SetWindow| is no longer being used * to tell the plugin where it is, we dispatch a NPWindow through * |HandleEvent| to tell the plugin when its window moved */ #ifdef MOZ_CAIRO_GFX nsRefPtr ctx = (gfxContext*)aRenderingContext.GetNativeGraphicData(nsIRenderingContext::NATIVE_THEBES_CONTEXT); gfxMatrix ctxMatrix = ctx->CurrentMatrix(); if (ctxMatrix.HasNonTranslation()) { // soo; in the future, we should be able to render // the object content to an offscreen DC, and then // composite it in with the right transforms. // But, we don't bother doing that, because we don't // have the event handling story figured out yet. // Instead, let's just bail. return; } origin.x = NSToIntRound(float(ctxMatrix.GetTranslation().x)); origin.y = NSToIntRound(float(ctxMatrix.GetTranslation().y)); SaveDC(hdc); /* Need to force the clip to be set */ ctx->UpdateSurfaceClip(); /* Set the device offsets as appropriate, for whatever our current group offsets might be */ gfxFloat xoff, yoff; nsRefPtr surf = ctx->CurrentSurface(&xoff, &yoff); POINT origViewportOrigin; GetViewportOrgEx(hdc, &origViewportOrigin); SetViewportOrgEx(hdc, origViewportOrigin.x + (int) xoff, origViewportOrigin.y + (int) yoff, NULL); #else nsTransform2D* rcTransform; aRenderingContext.GetCurrentTransform(rcTransform); rcTransform->GetTranslationCoord(&origin.x, &origin.y); #endif if ((window->x != origin.x) || (window->y != origin.y)) { window->x = origin.x; window->y = origin.y; doupdatewindow = PR_TRUE; } // if our location or visible area has changed, we need to tell the plugin if (doupdatewindow) { #ifdef XP_WIN // Windowless plugins on windows need a special event to update their location, see bug 135737 // bug 271442: note, the rectangle we send is now purely the bounds of the plugin // relative to the window it is contained in, which is useful for the plugin to correctly translate mouse coordinates // // this does not mesh with the comments for bug 135737 which imply that the rectangle // must be clipped in some way to prevent the plugin attempting to paint over areas it shouldn't; // // since the two uses of the rectangle are mutually exclusive in some cases, // and since I don't see any incorrect painting (at least with Flash and ViewPoint - the originator of 135737), // it seems that windowless plugins are not relying on information here for clipping their drawing, // and we can safely use this message to tell the plugin exactly where it is in all cases. origin = GetWindowOriginInPixels(PR_TRUE); nsRect winlessRect = nsRect(origin, nsSize(window->width, window->height)); if (mWindowlessRect != winlessRect) { mWindowlessRect = winlessRect; WINDOWPOS winpos; memset(&winpos, 0, sizeof(winpos)); winpos.x = mWindowlessRect.x; winpos.y = mWindowlessRect.y; winpos.cx = mWindowlessRect.width; winpos.cy = mWindowlessRect.height; // finally, update the plugin by sending it a WM_WINDOWPOSCHANGED event nsPluginEvent pluginEvent; pluginEvent.event = WM_WINDOWPOSCHANGED; pluginEvent.wParam = 0; pluginEvent.lParam = (uint32)&winpos; PRBool eventHandled = PR_FALSE; inst->HandleEvent(&pluginEvent, &eventHandled); } #endif inst->SetWindow(window); } // This expects a dirty rect relative to the plugin's rect // XXX I wonder if this breaks if we give the frame a border so the // frame origin and plugin origin are not the same mInstanceOwner->Paint(aDirtyRect, (PRUint32)(HDC)hdc); #ifdef MOZ_CAIRO_GFX RestoreDC(hdc, -1); surf->MarkDirty(); #endif } } #endif } NS_IMETHODIMP nsObjectFrame::HandleEvent(nsPresContext* aPresContext, nsGUIEvent* anEvent, nsEventStatus* anEventStatus) { NS_ENSURE_ARG_POINTER(anEventStatus); nsresult rv = NS_OK; if (!mInstanceOwner) return NS_ERROR_NULL_POINTER; if (anEvent->message == NS_PLUGIN_ACTIVATE) { nsIContent* content = GetContent(); if (content) { content->SetFocus(aPresContext); return rv; } } #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::GetPluginInstance(nsIPluginInstance*& aPluginInstance) { aPluginInstance = nsnull; if (!mInstanceOwner) return NS_OK; return mInstanceOwner->GetInstance(aPluginInstance); } nsresult nsObjectFrame::PrepareInstanceOwner() { // First, have to stop any possibly running plugins. StopPlugin(); NS_ASSERTION(!mInstanceOwner, "Must not have an instance owner here"); mInstanceOwner = new nsPluginInstanceOwner(); if (!mInstanceOwner) return NS_ERROR_OUT_OF_MEMORY; NS_ADDREF(mInstanceOwner); mInstanceOwner->Init(GetPresContext(), this, GetContent()); return NS_OK; } nsresult nsObjectFrame::Instantiate(nsIChannel* aChannel, nsIStreamListener** aStreamListener) { nsresult rv = PrepareInstanceOwner(); NS_ENSURE_SUCCESS(rv, rv); nsCOMPtr pluginHost(do_GetService(kCPluginManagerCID, &rv)); if (NS_FAILED(rv)) return rv; mInstanceOwner->SetPluginHost(pluginHost); // This must be done before instantiating the plugin FixupWindow(mRect.Size()); rv = pluginHost->InstantiatePluginForChannel(aChannel, mInstanceOwner, aStreamListener); // XXX having to do this sucks. it'd be better to move the code from DidReflow // to FixupWindow. GetPresContext()->GetPresShell()-> FrameNeedsReflow(this, nsIPresShell::eStyleChange); return rv; } nsresult nsObjectFrame::Instantiate(const char* aMimeType, nsIURI* aURI) { NS_ASSERTION(aMimeType || aURI, "Need a type or a URI!"); nsresult rv = PrepareInstanceOwner(); NS_ENSURE_SUCCESS(rv, rv); // This must be done before instantiating the plugin FixupWindow(mRect.Size()); // get the nsIPluginHost service nsCOMPtr pluginHost(do_GetService(kCPluginManagerCID, &rv)); if (NS_FAILED(rv)) return rv; mInstanceOwner->SetPluginHost(pluginHost); rv = InstantiatePlugin(pluginHost, aMimeType, aURI); // finish up if (NS_SUCCEEDED(rv)) { nsCOMPtr inst; mInstanceOwner->GetInstance(*getter_AddRefs(inst)); if (inst) { // The plugin may have set up new interfaces; we need to mess with our JS // wrapper. Note that we DO NOT want to call this if there is no plugin // instance! That would just reenter Instantiate(), trying to create // said plugin instance. NotifyContentObjectWrapper(); } } return rv; } void nsObjectFrame::StopPlugin() { if (mInstanceOwner != nsnull) { nsCOMPtr inst; mInstanceOwner->GetInstance(*getter_AddRefs(inst)); if (inst) { nsPluginWindow *win; mInstanceOwner->GetWindow(win); nsPluginNativeWindow *window = (nsPluginNativeWindow *)win; nsCOMPtr nullinst; 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(); if (window) window->CallSetWindow(nullinst); else inst->SetWindow(nsnull); } else { if (window) window->CallSetWindow(nullinst); else inst->SetWindow(nsnull); inst->Stop(); inst->Destroy(); } } else { if (window) window->CallSetWindow(nullinst); else inst->SetWindow(nsnull); inst->Stop(); } nsCOMPtr pluginHost = do_GetService(kCPluginManagerCID); if (pluginHost) pluginHost->StopPluginInstance(inst); // the frame is going away along with its widget // so tell the window to forget its widget too if (window) window->SetPluginWidget(nsnull); } mInstanceOwner->Destroy(); NS_RELEASE(mInstanceOwner); } } void nsObjectFrame::NotifyContentObjectWrapper() { nsCOMPtr doc = mContent->GetDocument(); if (!doc) return; nsIScriptGlobalObject *sgo = doc->GetScriptGlobalObject(); if (!sgo) return; nsIScriptContext *scx = sgo->GetContext(); if (!scx) return; JSContext *cx = (JSContext *)scx->GetNativeContext(); nsCOMPtr wrapper; nsContentUtils::XPConnect()-> GetWrappedNativeOfNativeObject(cx, sgo->GetGlobalJSObject(), mContent, NS_GET_IID(nsISupports), getter_AddRefs(wrapper)); if (!wrapper) { // Nothing to do here if there's no wrapper for mContent return; } nsCOMPtr ci(do_QueryInterface(mContent)); if (!ci) return; nsCOMPtr s; ci->GetHelperForLanguage(nsIProgrammingLanguage::JAVASCRIPT, getter_AddRefs(s)); nsCOMPtr helper(do_QueryInterface(s)); if (!helper) { // There's nothing we can do if there's no helper return; } JSObject *obj = nsnull; nsresult rv = wrapper->GetJSObject(&obj); if (NS_FAILED(rv)) return; // Abuse the scriptable helper to trigger prototype setup for the // wrapper for mContent so that this plugin becomes part of the DOM // object. helper->PostCreate(wrapper, cx, obj); } // static nsIObjectFrame * nsObjectFrame::GetNextObjectFrame(nsPresContext* aPresContext, nsIFrame* aRoot) { nsIFrame* child = aRoot->GetFirstChild(nsnull); while (child) { nsIObjectFrame* outFrame = nsnull; CallQueryInterface(child, &outFrame); if (outFrame) { nsCOMPtr pi; outFrame->GetPluginInstance(*getter_AddRefs(pi)); // make sure we have a REAL plugin if (pi) return outFrame; } outFrame = GetNextObjectFrame(aPresContext, child); if (outFrame) return outFrame; child = child->GetNextSibling(); } return nsnull; } nsIFrame* NS_NewObjectFrame(nsIPresShell* aPresShell, nsStyleContext* aContext) { return new (aPresShell) nsObjectFrame(aContext); } // nsPluginDOMContextMenuListener class implementation nsPluginDOMContextMenuListener::nsPluginDOMContextMenuListener() { } nsPluginDOMContextMenuListener::~nsPluginDOMContextMenuListener() { } NS_IMPL_ISUPPORTS2(nsPluginDOMContextMenuListener, nsIDOMContextMenuListener, nsIEventListener) NS_IMETHODIMP nsPluginDOMContextMenuListener::ContextMenu(nsIDOMEvent* aContextMenuEvent) { aContextMenuEvent->PreventDefault(); // consume event return NS_OK; } nsresult nsPluginDOMContextMenuListener::Init(nsIContent* aContent) { nsCOMPtr receiver(do_QueryInterface(aContent)); if (receiver) { receiver->AddEventListener(NS_LITERAL_STRING("contextmenu"), this, PR_TRUE); return NS_OK; } return NS_ERROR_NO_INTERFACE; } nsresult nsPluginDOMContextMenuListener::Destroy(nsIContent* aContent) { // Unregister context menu listener nsCOMPtr receiver(do_QueryInterface(aContent)); if (receiver) { receiver->RemoveEventListener(NS_LITERAL_STRING("contextmenu"), this, PR_TRUE); } return NS_OK; } //plugin instance owner nsPluginInstanceOwner::nsPluginInstanceOwner() { // create nsPluginNativeWindow object, it is derived from nsPluginWindow // struct and allows to manipulate native window procedure nsCOMPtr ph = do_GetService(kCPluginManagerCID); nsCOMPtr pph(do_QueryInterface(ph)); if (pph) pph->NewPluginNativeWindow(&mPluginWindow); else mPluginWindow = nsnull; mOwner = nsnull; mTagText = nsnull; mContentFocused = PR_FALSE; mWidgetVisible = PR_TRUE; mNumCachedAttrs = 0; mNumCachedParams = 0; mCachedAttrParamNames = nsnull; mCachedAttrParamValues = nsnull; } nsPluginInstanceOwner::~nsPluginInstanceOwner() { PRInt32 cnt; // shut off the timer. if (mPluginTimer != nsnull) { CancelTimer(); } mOwner = nsnull; for (cnt = 0; cnt < (mNumCachedAttrs + 1 + mNumCachedParams); cnt++) { if (mCachedAttrParamNames && mCachedAttrParamNames[cnt]) { PR_Free(mCachedAttrParamNames[cnt]); mCachedAttrParamNames[cnt] = nsnull; } if (mCachedAttrParamValues && mCachedAttrParamValues[cnt]) { PR_Free(mCachedAttrParamValues[cnt]); mCachedAttrParamValues[cnt] = nsnull; } } if (mCachedAttrParamNames) { PR_Free(mCachedAttrParamNames); mCachedAttrParamNames = nsnull; } if (mCachedAttrParamValues) { PR_Free(mCachedAttrParamValues); mCachedAttrParamValues = nsnull; } if (mTagText) { NS_Free(mTagText); mTagText = nsnull; } #if defined(XP_UNIX) && !defined(XP_MACOSX) // the mem for this struct is allocated // by PR_MALLOC in ns4xPluginInstance.cpp:ns4xPluginInstance::SetWindow() if (mPluginWindow && mPluginWindow->ws_info) { PR_Free(mPluginWindow->ws_info); mPluginWindow->ws_info = nsnull; } #endif // clean up plugin native window object nsCOMPtr ph = do_GetService(kCPluginManagerCID); nsCOMPtr pph(do_QueryInterface(ph)); if (pph) { pph->DeletePluginNativeWindow(mPluginWindow); mPluginWindow = nsnull; } } /* * nsISupports Implementation */ NS_IMPL_ADDREF(nsPluginInstanceOwner) NS_IMPL_RELEASE(nsPluginInstanceOwner) NS_INTERFACE_MAP_BEGIN(nsPluginInstanceOwner) NS_INTERFACE_MAP_ENTRY(nsIPluginInstanceOwner) NS_INTERFACE_MAP_ENTRY(nsIPluginTagInfo) NS_INTERFACE_MAP_ENTRY(nsIPluginTagInfo2) #ifdef OJI NS_INTERFACE_MAP_ENTRY(nsIJVMPluginTagInfo) #endif NS_INTERFACE_MAP_ENTRY(nsIEventListener) NS_INTERFACE_MAP_ENTRY(nsITimerCallback) NS_INTERFACE_MAP_ENTRY(nsIDOMMouseListener) NS_INTERFACE_MAP_ENTRY(nsIDOMMouseMotionListener) NS_INTERFACE_MAP_ENTRY(nsIDOMKeyListener) NS_INTERFACE_MAP_ENTRY(nsIDOMFocusListener) NS_INTERFACE_MAP_ENTRY(nsIScrollPositionListener) NS_INTERFACE_MAP_ENTRY(nsIDOMDragListener) NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsIDOMEventListener, nsIDOMMouseListener) NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIPluginInstanceOwner) NS_INTERFACE_MAP_END NS_IMETHODIMP nsPluginInstanceOwner::SetInstance(nsIPluginInstance *aInstance) { mInstance = aInstance; return NS_OK; } NS_IMETHODIMP nsPluginInstanceOwner::GetWindow(nsPluginWindow *&aWindow) { NS_ASSERTION(mPluginWindow, "the plugin window object being returned is null"); aWindow = mPluginWindow; return NS_OK; } NS_IMETHODIMP nsPluginInstanceOwner::GetMode(nsPluginMode *aMode) { nsCOMPtr doc; nsresult rv = GetDocument(getter_AddRefs(doc)); nsCOMPtr pDoc (do_QueryInterface(doc)); if (pDoc) { *aMode = nsPluginMode_Full; } else { *aMode = nsPluginMode_Embedded; } return rv; } NS_IMETHODIMP nsPluginInstanceOwner::GetAttributes(PRUint16& n, const char*const*& names, const char*const*& values) { nsresult rv = EnsureCachedAttrParamArrays(); NS_ENSURE_SUCCESS(rv, rv); n = mNumCachedAttrs; names = (const char **)mCachedAttrParamNames; values = (const char **)mCachedAttrParamValues; return rv; } NS_IMETHODIMP nsPluginInstanceOwner::GetAttribute(const char* name, const char* *result) { NS_ENSURE_ARG_POINTER(name); NS_ENSURE_ARG_POINTER(result); nsresult rv = EnsureCachedAttrParamArrays(); NS_ENSURE_SUCCESS(rv, rv); *result = nsnull; for (int i = 0; i < mNumCachedAttrs; i++) { if (0 == PL_strcasecmp(mCachedAttrParamNames[i], name)) { *result = mCachedAttrParamValues[i]; return NS_OK; } } return NS_ERROR_FAILURE; } NS_IMETHODIMP nsPluginInstanceOwner::GetDOMElement(nsIDOMElement* *result) { return CallQueryInterface(mContent, result); } NS_IMETHODIMP nsPluginInstanceOwner::GetInstance(nsIPluginInstance *&aInstance) { NS_IF_ADDREF(aInstance = mInstance); return NS_OK; } NS_IMETHODIMP nsPluginInstanceOwner::GetURL(const char *aURL, const char *aTarget, void *aPostData, PRUint32 aPostDataLen, void *aHeadersData, PRUint32 aHeadersDataLen, PRBool isFile) { NS_ENSURE_TRUE(mOwner,NS_ERROR_NULL_POINTER); // the container of the pres context will give us the link handler nsCOMPtr container = mOwner->GetPresContext()->GetContainer(); NS_ENSURE_TRUE(container,NS_ERROR_FAILURE); nsCOMPtr lh = do_QueryInterface(container); NS_ENSURE_TRUE(lh, NS_ERROR_FAILURE); nsAutoString unitarget; unitarget.AssignASCII(aTarget); // XXX could this be nonascii? nsCOMPtr baseURI = mContent->GetBaseURI(); // Create an absolute URL nsCOMPtr uri; nsresult rv = NS_NewURI(getter_AddRefs(uri), aURL, baseURI); NS_ENSURE_SUCCESS(rv, NS_ERROR_FAILURE); nsCOMPtr postDataStream; nsCOMPtr headersDataStream; // deal with post data, either in a file or raw data, and any headers if (aPostData) { rv = NS_NewPluginPostDataStream(getter_AddRefs(postDataStream), (const char *)aPostData, aPostDataLen, isFile); NS_ASSERTION(NS_SUCCEEDED(rv),"failed in creating plugin post data stream"); if (NS_FAILED(rv)) return rv; if (aHeadersData) { rv = NS_NewPluginPostDataStream(getter_AddRefs(headersDataStream), (const char *) aHeadersData, aHeadersDataLen, PR_FALSE, PR_TRUE); // last arg says we are headers, no /r/n/r/n fixup! NS_ASSERTION(NS_SUCCEEDED(rv),"failed in creating plugin header data stream"); if (NS_FAILED(rv)) return rv; } } PRInt32 blockPopups = nsContentUtils::GetIntPref("privacy.popups.disable_from_plugins"); nsAutoPopupStatePusher popupStatePusher((PopupControlState)blockPopups); rv = lh->OnLinkClick(mContent, uri, unitarget.get(), postDataStream, headersDataStream); return rv; } NS_IMETHODIMP nsPluginInstanceOwner::ShowStatus(const char *aStatusMsg) { nsresult rv = NS_ERROR_FAILURE; rv = this->ShowStatus(NS_ConvertUTF8toUTF16(aStatusMsg).get()); return rv; } NS_IMETHODIMP nsPluginInstanceOwner::ShowStatus(const PRUnichar *aStatusMsg) { nsresult rv = NS_ERROR_FAILURE; if (!mOwner) { return rv; } nsCOMPtr cont = mOwner->GetPresContext()->GetContainer(); if (!cont) { return NS_OK; } nsCOMPtr docShellItem(do_QueryInterface(cont, &rv)); if (NS_FAILED(rv) || !docShellItem) { return rv; } nsCOMPtr treeOwner; rv = docShellItem->GetTreeOwner(getter_AddRefs(treeOwner)); if (NS_FAILED(rv) || !treeOwner) { return rv; } nsCOMPtr browserChrome(do_GetInterface(treeOwner, &rv)); if (NS_FAILED(rv) || !browserChrome) { return rv; } rv = browserChrome->SetStatus(nsIWebBrowserChrome::STATUS_SCRIPT, aStatusMsg); return rv; } NS_IMETHODIMP nsPluginInstanceOwner::GetDocument(nsIDocument* *aDocument) { if (!aDocument) return NS_ERROR_NULL_POINTER; // XXX sXBL/XBL2 issue: current doc or owner doc? // But keep in mind bug 322414 comment 33 NS_IF_ADDREF(*aDocument = mContent->GetOwnerDoc()); return NS_OK; } NS_IMETHODIMP nsPluginInstanceOwner::InvalidateRect(nsPluginRect *invalidRect) { nsresult rv = NS_ERROR_FAILURE; if (mOwner && invalidRect) { //no reference count on view nsIView* view = mOwner->GetView(); if (view) { nsPresContext* presContext = mOwner->GetPresContext(); nsRect rect(presContext->DevPixelsToAppUnits(invalidRect->left), presContext->DevPixelsToAppUnits(invalidRect->top), presContext->DevPixelsToAppUnits(invalidRect->right - invalidRect->left), presContext->DevPixelsToAppUnits(invalidRect->bottom - invalidRect->top)); //set flags to not do a synchronous update, force update does the redraw view->GetViewManager()->UpdateView(view, rect, NS_VMREFRESH_NO_SYNC); } } return rv; } NS_IMETHODIMP nsPluginInstanceOwner::InvalidateRegion(nsPluginRegion invalidRegion) { return NS_ERROR_NOT_IMPLEMENTED; } NS_IMETHODIMP nsPluginInstanceOwner::ForceRedraw() { nsIView* view = mOwner->GetView(); if (view) { return view->GetViewManager()->Composite(); } return NS_OK; } NS_IMETHODIMP nsPluginInstanceOwner::GetValue(nsPluginInstancePeerVariable variable, void *value) { nsresult rv = NS_ERROR_FAILURE; switch(variable) { case nsPluginInstancePeerVariable_NetscapeWindow: { if (mOwner) { void** pvalue = (void**)value; nsIViewManager* vm = mOwner->GetPresContext()->GetViewManager(); if (vm) { #if defined(XP_WIN) // This property is provided to allow a "windowless" plugin to determine the window it is drawing // in, so it can translate mouse coordinates it receives directly from the operating system // to coordinates relative to itself. // The original code (outside this #if) returns the document's window, which is OK if the window the "windowless" plugin // is drawing into has the same origin as the document's window, but this is not the case for "windowless" plugins inside of scrolling DIVs etc // To make sure "windowless" plugins always get the right origin for translating mouse coordinates, this code // determines the window handle of the mozilla window containing the "windowless" plugin. // Given that this HWND may not be that of the document's window, there is a slight risk // of confusing a plugin that is using this HWND for illicit purposes, but since the documentation // does not suggest this HWND IS that of the document window, rather that of the window // the plugin is drawn in, this seems like a safe fix. // we only attempt to get the nearest window if this really is a "windowless" plugin so as not // to change any behaviour for the much more common windowed plugins, // though why this method would even be being called for a windowed plugin escapes me. if (mPluginWindow && mPluginWindow->type == nsPluginWindowType_Drawable) { if (mOwner) { // it turns out that flash also uses this window for determining focus, and is currently // unable to show a caret correctly if we return the enclosing window. Therefore for // now we only return the enclosing window when there is an actual offset which // would otherwise cause coordinates to be offset incorrectly. (i.e. // if the enclosing window if offset from the document window) // // fixing both the caret and ability to interact issues for a windowless control in a non document aligned windw // does not seem to be possible without a change to the flash plugin nsIWidget* win = mOwner->GetWindow(); if (win) { nsIView *view = nsIView::GetViewFor(win); NS_ASSERTION(view, "No view for widget"); nsIView *rootView = nsnull; vm->GetRootView(rootView); NS_ASSERTION(rootView, "No root view"); nsPoint offset = view->GetOffsetTo(rootView); if (offset.x || offset.y) { // in the case the two windows are offset from eachother, we do go ahead and return the correct enclosing window // so that mouse co-ordinates are not messed up. *pvalue = (void*)win->GetNativeData(NS_NATIVE_WINDOW); if (*pvalue) return NS_OK; } } } } #endif // simply return the document window nsCOMPtr widget; rv = vm->GetWidget(getter_AddRefs(widget)); if (widget) { *pvalue = (void*)widget->GetNativeData(NS_NATIVE_WINDOW); } else NS_ASSERTION(widget, "couldn't get doc's widget in getting doc's window handle"); } else NS_ASSERTION(vm, "couldn't get view manager in getting doc's window handle"); } else NS_ASSERTION(mOwner, "plugin owner has no owner in getting doc's window handle"); break; } } return rv; } NS_IMETHODIMP nsPluginInstanceOwner::GetTagType(nsPluginTagType *result) { NS_ENSURE_ARG_POINTER(result); *result = nsPluginTagType_Unknown; nsIAtom *atom = mContent->Tag(); if (atom == nsGkAtoms::applet) *result = nsPluginTagType_Applet; else if (atom == nsGkAtoms::embed) *result = nsPluginTagType_Embed; else if (atom == nsGkAtoms::object) *result = nsPluginTagType_Object; return NS_OK; } NS_IMETHODIMP nsPluginInstanceOwner::GetTagText(const char* *result) { NS_ENSURE_ARG_POINTER(result); if (nsnull == mTagText) { nsresult rv; nsCOMPtr node(do_QueryInterface(mContent, &rv)); if (NS_FAILED(rv)) return rv; nsCOMPtr document; rv = GetDocument(getter_AddRefs(document)); if (NS_FAILED(rv)) return rv; nsCOMPtr domDoc = do_QueryInterface(document); NS_ASSERTION(domDoc, "Need a document"); nsCOMPtr docEncoder(do_CreateInstance(NS_DOC_ENCODER_CONTRACTID_BASE "text/html", &rv)); if (NS_FAILED(rv)) return rv; rv = docEncoder->Init(domDoc, NS_LITERAL_STRING("text/html"), nsIDocumentEncoder::OutputEncodeBasicEntities); 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 = ToNewUTF8String(elementHTML); 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 = EnsureCachedAttrParamArrays(); NS_ENSURE_SUCCESS(rv, rv); n = mNumCachedParams; if (n) { names = (const char **)(mCachedAttrParamNames + mNumCachedAttrs + 1); values = (const char **)(mCachedAttrParamValues + mNumCachedAttrs + 1); } else names = values = nsnull; return rv; } NS_IMETHODIMP nsPluginInstanceOwner::GetParameter(const char* name, const char* *result) { NS_ENSURE_ARG_POINTER(name); NS_ENSURE_ARG_POINTER(result); nsresult rv = EnsureCachedAttrParamArrays(); NS_ENSURE_SUCCESS(rv, rv); *result = nsnull; for (int i = mNumCachedAttrs + 1; i < (mNumCachedParams + 1 + mNumCachedAttrs); i++) { if (0 == PL_strcasecmp(mCachedAttrParamNames[i], name)) { *result = mCachedAttrParamValues[i]; return NS_OK; } } return NS_ERROR_FAILURE; } NS_IMETHODIMP nsPluginInstanceOwner::GetDocumentBase(const char* *result) { NS_ENSURE_ARG_POINTER(result); nsresult rv = NS_OK; if (mDocumentBase.IsEmpty()) { if (!mOwner) { *result = nsnull; return NS_ERROR_FAILURE; } nsIDocument* doc = mContent->GetOwnerDoc(); NS_ASSERTION(doc, "Must have an owner doc"); rv = doc->GetBaseURI()->GetSpec(mDocumentBase); } if (NS_SUCCEEDED(rv)) *result = ToNewCString(mDocumentBase); return rv; } static nsDataHashtable * gCharsetMap; typedef struct { char mozName[16]; char javaName[12]; } moz2javaCharset; /* XXX If you add any strings longer than * {"x-mac-cyrillic", "MacCyrillic"}, * {"x-mac-ukrainian", "MacUkraine"}, * to the following array then you MUST update the * sizes of the arrays in the moz2javaCharset struct */ static const moz2javaCharset charsets[] = { {"windows-1252", "Cp1252"}, {"IBM850", "Cp850"}, {"IBM852", "Cp852"}, {"IBM855", "Cp855"}, {"IBM857", "Cp857"}, {"IBM828", "Cp862"}, {"IBM864", "Cp864"}, {"IBM866", "Cp866"}, {"windows-1250", "Cp1250"}, {"windows-1251", "Cp1251"}, {"windows-1253", "Cp1253"}, {"windows-1254", "Cp1254"}, {"windows-1255", "Cp1255"}, {"windows-1256", "Cp1256"}, {"windows-1257", "Cp1257"}, {"windows-1258", "Cp1258"}, {"EUC-JP", "EUC_JP"}, {"EUC-KR", "EUC_KR"}, {"x-euc-tw", "EUC_TW"}, {"gb18030", "GB18030"}, {"x-gbk", "GBK"}, {"ISO-2022-JP", "ISO2022JP"}, {"ISO-2022-KR", "ISO2022KR"}, {"ISO-8859-2", "ISO8859_2"}, {"ISO-8859-3", "ISO8859_3"}, {"ISO-8859-4", "ISO8859_4"}, {"ISO-8859-5", "ISO8859_5"}, {"ISO-8859-6", "ISO8859_6"}, {"ISO-8859-7", "ISO8859_7"}, {"ISO-8859-8", "ISO8859_8"}, {"ISO-8859-9", "ISO8859_9"}, {"ISO-8859-13", "ISO8859_13"}, {"x-johab", "Johab"}, {"KOI8-R", "KOI8_R"}, {"TIS-620", "MS874"}, {"windows-936", "MS936"}, {"x-windows-949", "MS949"}, {"x-mac-arabic", "MacArabic"}, {"x-mac-croatian", "MacCroatia"}, {"x-mac-cyrillic", "MacCyrillic"}, {"x-mac-greek", "MacGreek"}, {"x-mac-hebrew", "MacHebrew"}, {"x-mac-icelandic", "MacIceland"}, {"x-mac-roman", "MacRoman"}, {"x-mac-romanian", "MacRomania"}, {"x-mac-ukrainian", "MacUkraine"}, {"Shift_JIS", "SJIS"}, {"TIS-620", "TIS620"} }; NS_IMETHODIMP nsPluginInstanceOwner::GetDocumentEncoding(const char* *result) { NS_ENSURE_ARG_POINTER(result); *result = nsnull; nsresult rv; // XXX sXBL/XBL2 issue: current doc or owner doc? nsCOMPtr doc; rv = GetDocument(getter_AddRefs(doc)); NS_ASSERTION(NS_SUCCEEDED(rv), "failed to get document"); if (NS_FAILED(rv)) return rv; const nsCString &charset = doc->GetDocumentCharacterSet(); if (charset.IsEmpty()) return NS_OK; // common charsets and those not requiring conversion first if (charset.EqualsLiteral("us-ascii")) { *result = PL_strdup("US_ASCII"); } else if (charset.EqualsLiteral("ISO-8859-1") || !nsCRT::strncmp(PromiseFlatCString(charset).get(), "UTF", 3)) { *result = ToNewCString(charset); } else { if (!gCharsetMap) { const int NUM_CHARSETS = sizeof(charsets) / sizeof(moz2javaCharset); gCharsetMap = new nsDataHashtable(); if (!gCharsetMap || !gCharsetMap->Init(NUM_CHARSETS)) return NS_ERROR_OUT_OF_MEMORY; for (PRUint16 i = 0; i < NUM_CHARSETS; i++) { gCharsetMap->Put(charsets[i].mozName, charsets[i].javaName); } } // if found mapping, return it; otherwise return original charset const char *mapping; *result = gCharsetMap->Get(charset.get(), &mapping) ? PL_strdup(mapping) : ToNewCString(charset); } return (*result) ? NS_OK : NS_ERROR_OUT_OF_MEMORY; } NS_IMETHODIMP nsPluginInstanceOwner::GetAlignment(const char* *result) { return GetAttribute("ALIGN", result); } NS_IMETHODIMP nsPluginInstanceOwner::GetWidth(PRUint32 *result) { NS_ENSURE_ARG_POINTER(result); NS_ENSURE_TRUE(mPluginWindow, NS_ERROR_NULL_POINTER); *result = mPluginWindow->width; return NS_OK; } NS_IMETHODIMP nsPluginInstanceOwner::GetHeight(PRUint32 *result) { NS_ENSURE_ARG_POINTER(result); NS_ENSURE_TRUE(mPluginWindow, NS_ERROR_NULL_POINTER); *result = mPluginWindow->height; 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) { NS_ENSURE_ARG_POINTER(result); *result = NS_PTR_TO_INT32(mOwner); return NS_OK; } #ifdef OJI NS_IMETHODIMP nsPluginInstanceOwner::GetCode(const char* *result) { nsresult rv; nsPluginTagType tagType; NS_ENSURE_SUCCESS(rv = GetTagType(&tagType), rv); rv = NS_ERROR_FAILURE; if (nsPluginTagType_Object != tagType) rv = GetAttribute("CODE", result); if (NS_FAILED(rv)) rv = GetParameter("CODE", result); return rv; } NS_IMETHODIMP nsPluginInstanceOwner::GetCodeBase(const char* *result) { nsresult rv; if (NS_FAILED(rv = GetAttribute("CODEBASE", result))) rv = GetParameter("CODEBASE", result); return rv; } NS_IMETHODIMP nsPluginInstanceOwner::GetArchive(const char* *result) { nsresult rv; if (NS_FAILED(rv = GetAttribute("ARCHIVE", result))) rv = GetParameter("ARCHIVE", result); return rv; } NS_IMETHODIMP nsPluginInstanceOwner::GetName(const char* *result) { nsresult rv; nsPluginTagType tagType; NS_ENSURE_SUCCESS(rv = GetTagType(&tagType), rv); rv = NS_ERROR_FAILURE; if (nsPluginTagType_Object != tagType) rv = GetAttribute("NAME", result); if (NS_FAILED(rv)) rv = GetParameter("NAME", result); return rv; } NS_IMETHODIMP nsPluginInstanceOwner::GetMayScript(PRBool *result) { NS_ENSURE_ARG_POINTER(result); nsPluginTagType tagType; NS_ENSURE_SUCCESS(GetTagType(&tagType), NS_ERROR_FAILURE); const char* unused; if (nsPluginTagType_Object == tagType) *result = NS_SUCCEEDED(GetParameter("MAYSCRIPT", &unused)); else *result = NS_SUCCEEDED(GetAttribute("MAYSCRIPT", &unused)); return NS_OK; } #endif /* OJI */ // Cache the attributes and/or parameters of our tag into a single set // of arrays to be compatible with 4.x. The attributes go first, // followed by a PARAM/null and then any PARAM tags. Also, hold the // cached array around for the duration of the life of the instance // because 4.x did. See bug 111008. nsresult nsPluginInstanceOwner::EnsureCachedAttrParamArrays() { if (mCachedAttrParamValues) return NS_OK; NS_PRECONDITION(((mNumCachedAttrs + mNumCachedParams) == 0) && !mCachedAttrParamNames, "re-cache of attrs/params not implemented! use the DOM " "node directy instead"); NS_ENSURE_TRUE(mOwner, NS_ERROR_NULL_POINTER); // first, we need to find out how much we need to allocate for our // arrays count up attributes mNumCachedAttrs = 0; PRUint32 cattrs = mContent->GetAttrCount(); if (cattrs < 0x0000FFFF) { // unsigned 32 bits to unsigned 16 bits conversion mNumCachedAttrs = NS_STATIC_CAST(PRUint16, cattrs); } else { mNumCachedAttrs = 0xFFFE; // minus one in case we add an extra "src" entry below } // now, we need to find all the PARAM tags that are children of us // however, be carefull NOT to include any PARAMs that don't have us // as a direct parent. For nested object (or applet) tags, be sure // to only round up the param tags that coorespond with THIS // instance. And also, weed out any bogus tags that may get in the // way, see bug 39609. Then, with any param tag that meet our // qualification, temporarly cache them in an nsCOMArray until // we can figure out what size to make our fixed char* array. mNumCachedParams = 0; nsCOMArray ourParams; // use the DOM to get us ALL our dependent PARAM tags, even if not // ours nsCOMPtr mydomElement = do_QueryInterface(mContent); NS_ENSURE_TRUE(mydomElement, NS_ERROR_NO_INTERFACE); nsCOMPtr allParams; nsINodeInfo *ni = mContent->NodeInfo(); // Making DOM method calls can cause our frame to go away, which // might kill us... nsCOMPtr kungFuDeathGrip(this); if (ni->NamespaceEquals(kNameSpaceID_XHTML)) { // For XHTML elements we need to take the namespace URI into // account when looking for param elements. NS_NAMED_LITERAL_STRING(xhtml_ns, "http://www.w3.org/1999/xhtml"); mydomElement->GetElementsByTagNameNS(xhtml_ns, NS_LITERAL_STRING("param"), getter_AddRefs(allParams)); } else { // If content is not XHTML, it must be HTML, no need to worry // about namespaces then... mydomElement->GetElementsByTagName(NS_LITERAL_STRING("param"), getter_AddRefs(allParams)); } if (allParams) { PRUint32 numAllParams; allParams->GetLength(&numAllParams); // loop through every so called dependent PARAM tag to check if it // "belongs" to us for (PRUint32 i = 0; i < numAllParams; i++) { nsCOMPtr pnode; allParams->Item(i, getter_AddRefs(pnode)); nsCOMPtr domelement = do_QueryInterface(pnode); if (domelement) { // let's NOT count up param tags that don't have a name attribute nsAutoString name; domelement->GetAttribute(NS_LITERAL_STRING("name"), name); if (!name.IsEmpty()) { nsCOMPtr parent; nsCOMPtr domobject; nsCOMPtr domapplet; pnode->GetParentNode(getter_AddRefs(parent)); // walk up the parents of this PARAM until we find an object // (or applet) tag while (!(domobject || domapplet) && parent) { domobject = do_QueryInterface(parent); domapplet = do_QueryInterface(parent); nsCOMPtr temp; parent->GetParentNode(getter_AddRefs(temp)); parent = temp; } if (domapplet || domobject) { if (domapplet) parent = domapplet; else parent = domobject; // now check to see if this PARAM's parent is us. if so, // cache it for later nsCOMPtr mydomNode = do_QueryInterface(mydomElement); if (parent == mydomNode) { ourParams.AppendObject(domelement); } } } } } } // We're done with DOM method calls now; make sure we still have a frame. NS_ENSURE_TRUE(mOwner, NS_ERROR_OUT_OF_MEMORY); PRUint32 cparams = ourParams.Count(); // unsigned 32 bits to unsigned 16 bits conversion if (cparams < 0x0000FFFF) mNumCachedParams = NS_STATIC_CAST(PRUint16, cparams); else mNumCachedParams = 0xFFFF; // Some plugins were never written to understand the "data" attribute of the OBJECT tag. // Real and WMP will not play unless they find a "src" attribute, see bug 152334. // Nav 4.x would simply replace the "data" with "src". Because some plugins correctly // look for "data", lets instead copy the "data" attribute and add another entry // to the bottom of the array if there isn't already a "src" specified. PRInt16 numRealAttrs = mNumCachedAttrs; nsAutoString data; if (mContent->Tag() == nsGkAtoms::object && !mContent->HasAttr(kNameSpaceID_None, nsGkAtoms::src) && mContent->GetAttr(kNameSpaceID_None, nsGkAtoms::data, data)) { mNumCachedAttrs++; } // now lets make the arrays mCachedAttrParamNames = (char **)PR_Calloc(sizeof(char *) * (mNumCachedAttrs + 1 + mNumCachedParams), 1); NS_ENSURE_TRUE(mCachedAttrParamNames, NS_ERROR_OUT_OF_MEMORY); mCachedAttrParamValues = (char **)PR_Calloc(sizeof(char *) * (mNumCachedAttrs + 1 + mNumCachedParams), 1); NS_ENSURE_TRUE(mCachedAttrParamValues, NS_ERROR_OUT_OF_MEMORY); // let's fill in our attributes PRInt16 c = 0; // Some plugins (eg Flash, see bug 234675.) are actually sensitive to the // attribute order. So we want to make sure we give the plugin the // attributes in the order they came in in the source, to be compatible with // other browsers. Now in HTML, the storage order is the reverse of the // source order, while in XML and XHTML it's the same as the source order // (see the AddAttributes functions in the HTML and XML content sinks). PRInt16 start, end, increment; if (mContent->IsNodeOfType(nsINode::eHTML) && mContent->NodeInfo()->NamespaceEquals(kNameSpaceID_None)) { // HTML. Walk attributes in reverse order. start = numRealAttrs - 1; end = -1; increment = -1; } else { // XHTML or XML. Walk attributes in forward order. start = 0; end = numRealAttrs; increment = 1; } for (PRInt16 index = start; index != end; index += increment) { const nsAttrName* attrName = mContent->GetAttrNameAt(index); nsIAtom* atom = attrName->LocalName(); nsAutoString value; mContent->GetAttr(attrName->NamespaceID(), atom, value); nsAutoString name; atom->ToString(name); FixUpURLS(name, value); mCachedAttrParamNames [c] = ToNewUTF8String(name); mCachedAttrParamValues[c] = ToNewUTF8String(value); c++; } // if the conditions above were met, copy the "data" attribute to a "src" array entry if (data.Length()) { mCachedAttrParamNames [mNumCachedAttrs-1] = ToNewUTF8String(NS_LITERAL_STRING("SRC")); mCachedAttrParamValues[mNumCachedAttrs-1] = ToNewUTF8String(data); } // add our PARAM and null separator mCachedAttrParamNames [mNumCachedAttrs] = ToNewUTF8String(NS_LITERAL_STRING("PARAM")); mCachedAttrParamValues[mNumCachedAttrs] = nsnull; // now fill in the PARAM name/value pairs from the cached DOM nodes c = 0; for (PRInt16 idx = 0; idx < mNumCachedParams; idx++) { nsIDOMElement* param = ourParams.ObjectAt(idx); if (param) { nsAutoString name; nsAutoString value; param->GetAttribute(NS_LITERAL_STRING("name"), name); // check for empty done above param->GetAttribute(NS_LITERAL_STRING("value"), value); FixUpURLS(name, value); /* * According to the HTML 4.01 spec, at * http://www.w3.org/TR/html4/types.html#type-cdata * ''User agents may ignore leading and trailing * white space in CDATA attribute values (e.g., " * myval " may be interpreted as "myval"). Authors * should not declare attribute values with * leading or trailing white space.'' * However, do not trim consecutive spaces as in bug 122119 */ name.Trim(" \n\r\t\b", PR_TRUE, PR_TRUE, PR_FALSE); value.Trim(" \n\r\t\b", PR_TRUE, PR_TRUE, PR_FALSE); mCachedAttrParamNames [mNumCachedAttrs + 1 + c] = ToNewUTF8String(name); mCachedAttrParamValues[mNumCachedAttrs + 1 + c] = ToNewUTF8String(value); c++; // rules! } } return NS_OK; } // Here's where we forward events to plugins. #ifdef XP_MACOSX static void InitializeEventRecord(EventRecord* event) { memset(event, 0, sizeof(EventRecord)); ::GetGlobalMouse(&event->where); event->when = ::TickCount(); event->modifiers = ::GetCurrentKeyModifiers(); } void nsPluginInstanceOwner::GUItoMacEvent(const nsGUIEvent& anEvent, EventRecord* origEvent, EventRecord& aMacEvent) { nsPresContext* presContext = mOwner ? mOwner->GetPresContext() : nsnull; InitializeEventRecord(&aMacEvent); switch (anEvent.message) { case NS_FOCUS_EVENT_START: // this is the same as NS_FOCUS_CONTENT aMacEvent.what = nsPluginEventType_GetFocusEvent; if (presContext) { nsIContent* content = mContent; if (content) content->SetFocus(presContext); } break; case NS_BLUR_CONTENT: aMacEvent.what = nsPluginEventType_LoseFocusEvent; if (presContext) { nsIContent* content = mContent; if (content) content->RemoveFocus(presContext); } break; case NS_MOUSE_MOVE: case NS_MOUSE_ENTER: if (origEvent) aMacEvent = *origEvent; aMacEvent.what = nsPluginEventType_AdjustCursorEvent; break; } } #endif nsresult nsPluginInstanceOwner::ScrollPositionWillChange(nsIScrollableView* aScrollable, nscoord aX, nscoord aY) { #ifdef XP_MACOSX CancelTimer(); if (mInstance) { nsCOMPtr pluginWidget = do_QueryInterface(mWidget); if (pluginWidget && NS_SUCCEEDED(pluginWidget->StartDrawPlugin())) { EventRecord scrollEvent; InitializeEventRecord(&scrollEvent); scrollEvent.what = nsPluginEventType_ScrollingBeginsEvent; nsPluginPort* pluginPort = FixUpPluginWindow(ePluginPaintDisable); if (pluginPort) { nsPluginEvent pluginEvent = { &scrollEvent, nsPluginPlatformWindowRef(GetWindowFromPort(pluginPort->port)) }; PRBool eventHandled = PR_FALSE; mInstance->HandleEvent(&pluginEvent, &eventHandled); } pluginWidget->EndDrawPlugin(); } } #endif return NS_OK; } nsresult nsPluginInstanceOwner::ScrollPositionDidChange(nsIScrollableView* aScrollable, nscoord aX, nscoord aY) { #ifdef XP_MACOSX if (mInstance) { nsCOMPtr pluginWidget = do_QueryInterface(mWidget); if (pluginWidget && NS_SUCCEEDED(pluginWidget->StartDrawPlugin())) { EventRecord scrollEvent; InitializeEventRecord(&scrollEvent); scrollEvent.what = nsPluginEventType_ScrollingEndsEvent; nsPluginPort* pluginPort = FixUpPluginWindow(ePluginPaintEnable); if (pluginPort) { nsPluginEvent pluginEvent = { &scrollEvent, nsPluginPlatformWindowRef(GetWindowFromPort(pluginPort->port)) }; PRBool eventHandled = PR_FALSE; mInstance->HandleEvent(&pluginEvent, &eventHandled); } pluginWidget->EndDrawPlugin(); } // FIXME - Only invalidate the newly revealed amount. // XXX necessary? if (mWidget) mWidget->Invalidate(PR_TRUE); } #endif StartTimer(NORMAL_PLUGIN_DELAY); return NS_OK; } /*=============== nsIFocusListener ======================*/ nsresult nsPluginInstanceOwner::Focus(nsIDOMEvent * aFocusEvent) { mContentFocused = PR_TRUE; return DispatchFocusToPlugin(aFocusEvent); } nsresult nsPluginInstanceOwner::Blur(nsIDOMEvent * aFocusEvent) { mContentFocused = PR_FALSE; return DispatchFocusToPlugin(aFocusEvent); } nsresult nsPluginInstanceOwner::DispatchFocusToPlugin(nsIDOMEvent* aFocusEvent) { #ifndef XP_MACOSX if (!mPluginWindow || nsPluginWindowType_Window == mPluginWindow->type) { // continue only for cases without child window return aFocusEvent->PreventDefault(); // consume event } #endif nsCOMPtr privateEvent(do_QueryInterface(aFocusEvent)); if (privateEvent) { nsEvent * theEvent; privateEvent->GetInternalNSEvent(&theEvent); if (theEvent) { // we only care about the message in ProcessEvent nsGUIEvent focusEvent(NS_IS_TRUSTED_EVENT(theEvent), theEvent->message, nsnull); nsEventStatus rv = ProcessEvent(focusEvent); if (nsEventStatus_eConsumeNoDefault == rv) { aFocusEvent->PreventDefault(); aFocusEvent->StopPropagation(); } } else NS_ASSERTION(PR_FALSE, "nsPluginInstanceOwner::DispatchFocusToPlugin failed, focusEvent null"); } else NS_ASSERTION(PR_FALSE, "nsPluginInstanceOwner::DispatchFocusToPlugin failed, privateEvent null"); return NS_OK; } /*=============== nsIDOMDragListener ======================*/ nsresult nsPluginInstanceOwner::DragEnter(nsIDOMEvent* aMouseEvent) { if (mInstance) { // Let the plugin handle drag events. aMouseEvent->PreventDefault(); aMouseEvent->StopPropagation(); } return NS_OK; } nsresult nsPluginInstanceOwner::DragOver(nsIDOMEvent* aMouseEvent) { if (mInstance) { // Let the plugin handle drag events. aMouseEvent->PreventDefault(); aMouseEvent->StopPropagation(); } return NS_OK; } nsresult nsPluginInstanceOwner::DragExit(nsIDOMEvent* aMouseEvent) { if (mInstance) { // Let the plugin handle drag events. aMouseEvent->PreventDefault(); aMouseEvent->StopPropagation(); } return NS_OK; } nsresult nsPluginInstanceOwner::DragDrop(nsIDOMEvent* aMouseEvent) { if (mInstance) { // Let the plugin handle drag events. aMouseEvent->PreventDefault(); aMouseEvent->StopPropagation(); } return NS_OK; } nsresult nsPluginInstanceOwner::DragGesture(nsIDOMEvent* aMouseEvent) { if (mInstance) { // Let the plugin handle drag events. aMouseEvent->PreventDefault(); aMouseEvent->StopPropagation(); } return NS_OK; } /*=============== nsIKeyListener ======================*/ nsresult nsPluginInstanceOwner::KeyDown(nsIDOMEvent* aKeyEvent) { return DispatchKeyToPlugin(aKeyEvent); } nsresult nsPluginInstanceOwner::KeyUp(nsIDOMEvent* aKeyEvent) { return DispatchKeyToPlugin(aKeyEvent); } nsresult nsPluginInstanceOwner::KeyPress(nsIDOMEvent* aKeyEvent) { #ifdef XP_MACOSX // send KeyPress events only on Mac // KeyPress events are really synthesized keyDown events. // Here we check the native message of the event so that // we won't send the plugin two keyDown events. nsCOMPtr privateEvent(do_QueryInterface(aKeyEvent)); if (privateEvent) { nsEvent *theEvent; privateEvent->GetInternalNSEvent(&theEvent); const nsGUIEvent *guiEvent = (nsGUIEvent*)theEvent; const EventRecord *ev = (EventRecord*)(guiEvent->nativeMsg); if (guiEvent && guiEvent->message == NS_KEY_PRESS && ev && ev->what == keyDown) return aKeyEvent->PreventDefault(); // consume event } // Nasty hack to avoid recursive event dispatching with Java. Java can // dispatch key events to a TSM handler, which comes back and calls // [ChildView insertText:] on the cocoa widget, which sends a key // event back down. static PRBool sInKeyDispatch = PR_FALSE; if (sInKeyDispatch) return aKeyEvent->PreventDefault(); // consume event sInKeyDispatch = PR_TRUE; nsresult rv = DispatchKeyToPlugin(aKeyEvent); sInKeyDispatch = PR_FALSE; return rv; #else 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->StopPropagation(); } return NS_OK; #endif } nsresult nsPluginInstanceOwner::DispatchKeyToPlugin(nsIDOMEvent* aKeyEvent) { #ifndef XP_MACOSX if (!mPluginWindow || nsPluginWindowType_Window == mPluginWindow->type) return aKeyEvent->PreventDefault(); // consume event // continue only for cases without child window #endif 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->StopPropagation(); } } else NS_ASSERTION(PR_FALSE, "nsPluginInstanceOwner::DispatchKeyToPlugin failed, keyEvent null"); } else NS_ASSERTION(PR_FALSE, "nsPluginInstanceOwner::DispatchKeyToPlugin failed, privateEvent null"); } return NS_OK; } /*=============== nsIMouseMotionListener ======================*/ nsresult nsPluginInstanceOwner::MouseMove(nsIDOMEvent* aMouseEvent) { #if !defined(XP_MACOSX) if (!mPluginWindow || nsPluginWindowType_Window == mPluginWindow->type) return aMouseEvent->PreventDefault(); // consume event // continue only for cases without child window #endif // don't send mouse events if we are hiddden if (!mWidgetVisible) return NS_OK; 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 aMouseEvent->PreventDefault(); // consume event } } else NS_ASSERTION(PR_FALSE, "nsPluginInstanceOwner::MouseMove failed, mouseEvent null"); } else NS_ASSERTION(PR_FALSE, "nsPluginInstanceOwner::MouseMove failed, privateEvent null"); return NS_OK; } /*=============== nsIMouseListener ======================*/ nsresult nsPluginInstanceOwner::MouseDown(nsIDOMEvent* aMouseEvent) { #if !defined(XP_MACOSX) if (!mPluginWindow || nsPluginWindowType_Window == mPluginWindow->type) return aMouseEvent->PreventDefault(); // consume event // continue only for cases without child window #endif // if the plugin is windowless, we need to set focus ourselves // otherwise, we might not get key events if (mOwner && mPluginWindow && mPluginWindow->type == nsPluginWindowType_Drawable) { mContent->SetFocus(mOwner->GetPresContext()); } 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 aMouseEvent->PreventDefault(); // 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; } 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) { #if !defined(XP_MACOSX) if (!mPluginWindow || nsPluginWindowType_Window == mPluginWindow->type) return aMouseEvent->PreventDefault(); // consume event // continue only for cases without child window #endif // don't send mouse events if we are hiddden if (!mWidgetVisible) return NS_OK; 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->StopPropagation(); } } else NS_ASSERTION(PR_FALSE, "nsPluginInstanceOwner::DispatchMouseToPlugin failed, mouseEvent null"); } else NS_ASSERTION(PR_FALSE, "nsPluginInstanceOwner::DispatchMouseToPlugin failed, privateEvent null"); return NS_OK; } nsresult nsPluginInstanceOwner::HandleEvent(nsIDOMEvent* aEvent) { return NS_OK; } nsEventStatus nsPluginInstanceOwner::ProcessEvent(const nsGUIEvent& anEvent) { // printf("nsGUIEvent.message: %d\n", anEvent.message); nsEventStatus rv = nsEventStatus_eIgnore; if (!mInstance) // if mInstance is null, we shouldn't be here return rv; #ifdef XP_MACOSX // check for null mWidget if (mWidget) { nsCOMPtr pluginWidget = do_QueryInterface(mWidget); if (pluginWidget && NS_SUCCEEDED(pluginWidget->StartDrawPlugin())) { EventRecord macEvent; EventRecord* event = (EventRecord*)anEvent.nativeMsg; if ((event == NULL) || (event->what == nullEvent) || (anEvent.message == NS_FOCUS_CONTENT) || (anEvent.message == NS_BLUR_CONTENT) || (anEvent.message == NS_MOUSE_MOVE) || (anEvent.message == NS_MOUSE_ENTER)) { GUItoMacEvent(anEvent, event, macEvent); event = &macEvent; } #ifdef MOZ_WIDGET_COCOA if (anEvent.message == NS_FOCUS_CONTENT) { // Work around an issue in the Flash plugin, which can cache a pointer // to a doomed TSM document (one that belongs to a NSTSMInputContext) // and try to activate it after it has been deleted. See bug 183313. ::DeactivateTSMDocument(::TSMGetActiveDocument()); } #endif nsPluginPort* pluginPort = FixUpPluginWindow(ePluginPaintIgnore); PRBool eventHandled = PR_FALSE; if (pluginPort) { nsPluginEvent pluginEvent = { event, nsPluginPlatformWindowRef(GetWindowFromPort(pluginPort->port)) }; mInstance->HandleEvent(&pluginEvent, &eventHandled); } if (eventHandled && !(anEvent.eventStructType == NS_MOUSE_EVENT && anEvent.message == NS_MOUSE_BUTTON_DOWN && NS_STATIC_CAST(const nsMouseEvent&, anEvent).button == nsMouseEvent::eLeftButton && !mContentFocused)) rv = nsEventStatus_eConsumeNoDefault; pluginWidget->EndDrawPlugin(); } } #endif #ifdef XP_WIN // this code supports windowless plugins nsPluginEvent * pPluginEvent = (nsPluginEvent *)anEvent.nativeMsg; // we can get synthetic events from the nsEventStateManager... these // have no nativeMsg nsPluginEvent pluginEvent; if (!pPluginEvent) { switch (anEvent.message) { case NS_FOCUS_CONTENT: pluginEvent.event = WM_SETFOCUS; pluginEvent.wParam = 0; pluginEvent.lParam = 0; pPluginEvent = &pluginEvent; break; case NS_BLUR_CONTENT: pluginEvent.event = WM_KILLFOCUS; pluginEvent.wParam = 0; pluginEvent.lParam = 0; pPluginEvent = &pluginEvent; break; } } if (pPluginEvent) { PRBool eventHandled = PR_FALSE; mInstance->HandleEvent(pPluginEvent, &eventHandled); if (eventHandled) rv = nsEventStatus_eConsumeNoDefault; } #endif return rv; } nsresult nsPluginInstanceOwner::Destroy() { // stop the timer explicitly to reduce reference count. CancelTimer(); // unregister context menu listener if (mCXMenuListener) { mCXMenuListener->Destroy(mContent); NS_RELEASE(mCXMenuListener); } nsCOMPtr receiver(do_QueryInterface(mContent)); if (receiver) { nsCOMPtr listener; QueryInterface(NS_GET_IID(nsIDOMEventListener), getter_AddRefs(listener)); // Unregister focus event listener receiver->RemoveEventListenerByIID(listener, NS_GET_IID(nsIDOMFocusListener)); // Unregister mouse event listener receiver->RemoveEventListenerByIID(listener, NS_GET_IID(nsIDOMMouseListener)); // now for the mouse motion listener receiver->RemoveEventListenerByIID(listener, NS_GET_IID(nsIDOMMouseMotionListener)); // Unregister key event listener; receiver->RemoveEventListener(NS_LITERAL_STRING("keypress"), listener, PR_TRUE); receiver->RemoveEventListener(NS_LITERAL_STRING("keydown"), listener, PR_TRUE); receiver->RemoveEventListener(NS_LITERAL_STRING("keyup"), listener, PR_TRUE); // Unregister drag event listener; receiver->RemoveEventListener(NS_LITERAL_STRING("dragdrop"), listener, PR_TRUE); receiver->RemoveEventListener(NS_LITERAL_STRING("dragover"), listener, PR_TRUE); receiver->RemoveEventListener(NS_LITERAL_STRING("dragexit"), listener, PR_TRUE); receiver->RemoveEventListener(NS_LITERAL_STRING("dragenter"), listener, PR_TRUE); receiver->RemoveEventListener(NS_LITERAL_STRING("draggesture"), listener, PR_TRUE); } // Unregister scroll position listener nsIFrame* parentWithView = mOwner->GetAncestorWithView(); nsIView* curView = parentWithView ? parentWithView->GetView() : nsnull; while (curView) { nsIScrollableView* scrollingView = curView->ToScrollableView(); if (scrollingView) scrollingView->RemoveScrollPositionListener((nsIScrollPositionListener *)this); curView = curView->GetParent(); } mOwner = nsnull; // break relationship between frame and plugin instance owner return NS_OK; } // Paints are handled differently, so we just simulate an update event. void nsPluginInstanceOwner::Paint(const nsRect& aDirtyRect, PRUint32 ndc) { if (!mInstance || !mOwner) return; #ifdef XP_MACOSX #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, 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; ConvertAppUnitsToPixels(*mOwner->GetPresContext(), absDirtyRect, absDirtyRectInPixels); #endif nsCOMPtr pluginWidget = do_QueryInterface(mWidget); if (pluginWidget && NS_SUCCEEDED(pluginWidget->StartDrawPlugin())) { nsPluginPort* pluginPort = FixUpPluginWindow(ePluginPaintEnable); if (pluginPort) { WindowRef nativeWindowRef = ::GetWindowFromPort(pluginPort->port); EventRecord updateEvent; InitializeEventRecord(&updateEvent); updateEvent.what = updateEvt; updateEvent.message = UInt32(nativeWindowRef); nsPluginEvent pluginEvent = { &updateEvent, nsPluginPlatformWindowRef(nativeWindowRef) }; PRBool eventHandled = PR_FALSE; mInstance->HandleEvent(&pluginEvent, &eventHandled); } pluginWidget->EndDrawPlugin(); } #endif #ifdef XP_WIN nsPluginWindow * window; GetWindow(window); nsRect relDirtyRect = nsRect(aDirtyRect.x, aDirtyRect.y, aDirtyRect.width, aDirtyRect.height); nsRect relDirtyRectInPixels; ConvertAppUnitsToPixels(*mOwner->GetPresContext(), relDirtyRect, relDirtyRectInPixels); // we got dirty rectangle in relative window coordinates, but we // need it in absolute units and in the (left, top, right, bottom) form RECT drc; drc.left = relDirtyRectInPixels.x + window->x; drc.top = relDirtyRectInPixels.y + window->y; drc.right = drc.left + relDirtyRectInPixels.width; drc.bottom = drc.top + relDirtyRectInPixels.height; nsPluginEvent pluginEvent; pluginEvent.event = WM_PAINT; pluginEvent.wParam = (uint32)ndc; pluginEvent.lParam = (uint32)&drc; PRBool eventHandled = PR_FALSE; mInstance->HandleEvent(&pluginEvent, &eventHandled); #endif } // Here's how we give idle time to plugins. NS_IMETHODIMP nsPluginInstanceOwner::Notify(nsITimer* /* timer */) { #ifdef XP_MACOSX // 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. if (mInstance) { nsCOMPtr pluginWidget = do_QueryInterface(mWidget); if (pluginWidget && NS_SUCCEEDED(pluginWidget->StartDrawPlugin())) { nsPluginPort* pluginPort = FixUpPluginWindow(ePluginPaintIgnore); if (pluginPort) { EventRecord idleEvent; InitializeEventRecord(&idleEvent); idleEvent.what = nullEvent; // give a bogus 'where' field of our null event when hidden, so Flash // won't respond to mouse moves in other tabs, see bug 120875 if (!mWidgetVisible) idleEvent.where.h = idleEvent.where.v = 20000; nsPluginEvent pluginEvent = { &idleEvent, nsPluginPlatformWindowRef(GetWindowFromPort(pluginPort->port)) }; PRBool eventHandled = PR_FALSE; mInstance->HandleEvent(&pluginEvent, &eventHandled); } pluginWidget->EndDrawPlugin(); } } #endif return NS_OK; } void nsPluginInstanceOwner::StartTimer(unsigned int aDelay) { #ifdef XP_MACOSX nsresult rv; // start a periodic timer to provide null events to the plugin instance. if (!mPluginTimer) { mPluginTimer = do_CreateInstance("@mozilla.org/timer;1", &rv); if (NS_SUCCEEDED(rv)) mPluginTimer->InitWithCallback(this, aDelay, nsITimer::TYPE_REPEATING_SLACK); } #endif } void nsPluginInstanceOwner::CancelTimer() { if (mPluginTimer) { mPluginTimer->Cancel(); mPluginTimer = nsnull; } } nsresult nsPluginInstanceOwner::Init(nsPresContext* aPresContext, nsObjectFrame* aFrame, nsIContent* aContent) { mOwner = aFrame; mContent = aContent; // Some plugins require a specific sequence of shutdown and startup when // a page is reloaded. Shutdown happens usually when the last instance // is destroyed. Here we make sure the plugin instance in the old // document is destroyed before we try to create the new one. aPresContext->EnsureVisible(PR_TRUE); // register context menu listener mCXMenuListener = new nsPluginDOMContextMenuListener(); if (mCXMenuListener) { NS_ADDREF(mCXMenuListener); mCXMenuListener->Init(aContent); } nsCOMPtr receiver(do_QueryInterface(mContent)); if (receiver) { nsCOMPtr listener; QueryInterface(NS_GET_IID(nsIDOMEventListener), getter_AddRefs(listener)); // Register focus listener receiver->AddEventListenerByIID(listener, NS_GET_IID(nsIDOMFocusListener)); // Register mouse listener receiver->AddEventListenerByIID(listener, NS_GET_IID(nsIDOMMouseListener)); // now do the mouse motion listener receiver->AddEventListenerByIID(listener, NS_GET_IID(nsIDOMMouseMotionListener)); // Register key listener receiver->AddEventListener(NS_LITERAL_STRING("keypress"), listener, PR_TRUE); receiver->AddEventListener(NS_LITERAL_STRING("keydown"), listener, PR_TRUE); receiver->AddEventListener(NS_LITERAL_STRING("keyup"), listener, PR_TRUE); // Register drag listener receiver->AddEventListener(NS_LITERAL_STRING("dragdrop"), listener, PR_TRUE); receiver->AddEventListener(NS_LITERAL_STRING("dragover"), listener, PR_TRUE); receiver->AddEventListener(NS_LITERAL_STRING("dragexit"), listener, PR_TRUE); receiver->AddEventListener(NS_LITERAL_STRING("dragenter"), listener, PR_TRUE); receiver->AddEventListener(NS_LITERAL_STRING("draggesture"), listener, PR_TRUE); } // Register scroll position listener // We need to register a scroll pos listener on every scrollable // view up to the top nsIFrame* parentWithView = mOwner->GetAncestorWithView(); nsIView* curView = parentWithView ? parentWithView->GetView() : nsnull; while (curView) { nsIScrollableView* scrollingView = curView->ToScrollableView(); if (scrollingView) scrollingView->AddScrollPositionListener((nsIScrollPositionListener *)this); curView = curView->GetParent(); } return NS_OK; } nsPluginPort* nsPluginInstanceOwner::GetPluginPort() { //!!! Port must be released for windowless plugins on Windows, because it is HDC !!! nsPluginPort* result = NULL; if (mWidget) { #ifdef XP_WIN if (mPluginWindow && 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 && mPluginWindow && mPluginWindow->type == nsPluginWindowType_Drawable) { mWidget->FreeNativeData((HDC)pluginPort, NS_NATIVE_GRAPHIC); } #endif } NS_IMETHODIMP nsPluginInstanceOwner::CreateWidget(void) { NS_ENSURE_TRUE(mPluginWindow, NS_ERROR_NULL_POINTER); nsIView *view; nsresult rv = NS_ERROR_FAILURE; if (mOwner) { // Create view if necessary view = mOwner->GetView(); if (!view || !mWidget) { PRBool windowless = PR_FALSE; mInstance->GetValue(nsPluginInstanceVariable_WindowlessBool, (void *)&windowless); // always create widgets in Twips, not pixels nsPresContext* context = mOwner->GetPresContext(); rv = mOwner->CreateWidget(context->DevPixelsToAppUnits(mPluginWindow->width), context->DevPixelsToAppUnits(mPluginWindow->height), windowless); if (NS_OK == rv) { view = mOwner->GetView(); if (view) { mWidget = view->GetWidget(); PRBool fTransparent = PR_FALSE; mInstance->GetValue(nsPluginInstanceVariable_TransparentBool, (void *)&fTransparent); view->GetViewManager()->SetViewContentTransparency(view, fTransparent); } if (PR_TRUE == windowless) { mPluginWindow->type = nsPluginWindowType_Drawable; // 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? mPluginWindow->window = nsnull; } else if (mWidget) { mWidget->Resize(mPluginWindow->width, mPluginWindow->height, PR_FALSE); // mPluginWindow->type is used in |GetPluginPort| so it must // be initilized first mPluginWindow->type = nsPluginWindowType_Window; mPluginWindow->window = GetPluginPort(); // start the idle timer. StartTimer(NORMAL_PLUGIN_DELAY); // tell the plugin window about the widget mPluginWindow->SetPluginWidget(mWidget); } } } } return rv; } void nsPluginInstanceOwner::SetPluginHost(nsIPluginHost* aHost) { mPluginHost = aHost; } #if defined(XP_WIN) || (defined(DO_DIRTY_INTERSECT) && defined(XP_MACOSX)) // convert frame coordinates from twips to pixels static void ConvertAppUnitsToPixels(nsPresContext& aPresContext, nsRect& aTwipsRect, nsRect& aPixelRect) { aPixelRect.x = aPresContext.AppUnitsToDevPixels(aTwipsRect.x); aPixelRect.y = aPresContext.AppUnitsToDevPixels(aTwipsRect.y); aPixelRect.width = aPresContext.AppUnitsToDevPixels(aTwipsRect.width); aPixelRect.height = aPresContext.AppUnitsToDevPixels(aTwipsRect.height); } #endif // Mac specific code to fix up the port location and clipping region #ifdef XP_MACOSX #ifdef DO_DIRTY_INTERSECT // Convert from a frame relative coordinate to a coordinate relative to its // containing window static void ConvertRelativeToWindowAbsolute(nsIFrame* aFrame, nsPoint& aRel, nsPoint& aAbs, nsIWidget*& aContainerWidget) { // See if this frame has a view nsIView *view = aFrame->GetView(); if (!view) { aAbs.x = 0; aAbs.y = 0; // Calculate frames offset from its nearest view aFrame->GetOffsetFromView(aAbs, &view); } else { // Store frames offset from its view. aAbs = aFrame->GetPosition(); } NS_ASSERTION(view, "the object frame does not have a view"); if (view) { // Calculate the view's offset from its nearest widget nsPoint viewOffset; aContainerWidget = view->GetNearestWidget(&viewOffset); NS_IF_ADDREF(aContainerWidget); aAbs += viewOffset; } // Add relative coordinate to the absolute coordinate that has been calculated aAbs += aRel; } #endif // DO_DIRTY_INTERSECT nsPluginPort* nsPluginInstanceOwner::FixUpPluginWindow(PRInt32 inPaintState) { if (!mWidget || !mPluginWindow) return nsnull; nsPluginPort* pluginPort = GetPluginPort(); if (!pluginPort) return nsnull; // first, check our view for CSS visibility style PRBool isVisible = mOwner->GetView()->GetVisibility() == nsViewVisibility_kShow; nsCOMPtr pluginWidget = do_QueryInterface(mWidget); nsPoint pluginOrigin; nsRect widgetClip; PRBool widgetVisible; pluginWidget->GetPluginClipRect(widgetClip, pluginOrigin, /* out */ widgetVisible); // printf("GetPluginClipRect returning visible %d\n", widgetVisible); isVisible &= widgetVisible; if (!isVisible) widgetClip.Empty(); // set the port coordinates mPluginWindow->x = -pluginPort->portx; mPluginWindow->y = -pluginPort->porty; nsPluginRect oldClipRect = mPluginWindow->clipRect; // fix up the clipping region mPluginWindow->clipRect.top = widgetClip.y; mPluginWindow->clipRect.left = widgetClip.x; mWidgetVisible = isVisible; if (!mWidgetVisible || inPaintState == ePluginPaintDisable) { mPluginWindow->clipRect.bottom = mPluginWindow->clipRect.top; mPluginWindow->clipRect.right = mPluginWindow->clipRect.left; // pluginPort = nsnull; // don't uncomment this } else if (inPaintState == ePluginPaintEnable) { mPluginWindow->clipRect.bottom = mPluginWindow->clipRect.top + widgetClip.height; mPluginWindow->clipRect.right = mPluginWindow->clipRect.left + widgetClip.width; } // if the clip rect changed, call SetWindow() // (RealPlayer needs this to draw correctly) if (mPluginWindow->clipRect.left != oldClipRect.left || mPluginWindow->clipRect.top != oldClipRect.top || mPluginWindow->clipRect.right != oldClipRect.right || mPluginWindow->clipRect.bottom != oldClipRect.bottom) { mInstance->SetWindow(mPluginWindow); // if the clipRect is of size 0, make the null timer fire less often CancelTimer(); if (mPluginWindow->clipRect.left == mPluginWindow->clipRect.right || mPluginWindow->clipRect.top == mPluginWindow->clipRect.bottom) { StartTimer(HIDDEN_PLUGIN_DELAY); } else { StartTimer(NORMAL_PLUGIN_DELAY); } } return pluginPort; } #endif // XP_MACOSX // Little helper function to resolve relative URL in // |value| for certain inputs of |name| void nsPluginInstanceOwner::FixUpURLS(const nsString &name, nsAString &value) { if (name.LowerCaseEqualsLiteral("pluginurl") || name.LowerCaseEqualsLiteral("pluginspage")) { nsCOMPtr baseURI = mContent->GetBaseURI(); nsAutoString newURL; NS_MakeAbsoluteURI(newURL, value, baseURI); if (!newURL.IsEmpty()) value = newURL; } }