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gecko-dev/layout/generic/nsObjectFrame.cpp

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is Mozilla Communicator client code.
*
* The Initial Developer of the Original Code is Netscape Communications
* Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
* Pierre Phaneuf <pp@ludusdesign.com>
*/
#include "nsCOMPtr.h"
#include "nsHTMLParts.h"
#include "nsHTMLContainerFrame.h"
#include "nsIPresContext.h"
#include "nsIPresShell.h"
#include "nsWidgetsCID.h"
#include "nsViewsCID.h"
#include "nsIView.h"
#include "nsIViewManager.h"
#include "nsIDOMKeyListener.h"
#include "nsIPluginHost.h"
#include "nsplugin.h"
#include "nsString.h"
#include "nsReadableUtils.h"
#include "prmem.h"
#include "nsHTMLAtoms.h"
#include "nsIDocument.h"
#include "nsIURL.h"
#include "nsNetUtil.h"
#include "nsIPluginInstanceOwner.h"
#include "nsIHTMLContent.h"
#include "nsISupportsArray.h"
#include "plstr.h"
#include "nsILinkHandler.h"
#include "nsIJVMPluginTagInfo.h"
#include "nsIWebShell.h"
#include "nsINameSpaceManager.h"
#include "nsIEventListener.h"
#include "nsIStringStream.h" // for NS_NewCharInputStream
#include "nsITimer.h"
#include "nsITimerCallback.h"
#include "nsLayoutAtoms.h"
#include "nsIDocShellTreeItem.h"
#include "nsIDocShellTreeOwner.h"
#include "nsIWebBrowserChrome.h"
#include "nsIDOMElement.h"
#include "nsContentPolicyUtils.h"
#include "nsIDOMWindow.h"
#include "nsIDOMMouseListener.h"
#include "nsIDOMFocusListener.h"
#include "nsIDOMEventReceiver.h"
#include "nsIPrivateDOMEvent.h"
#include "nsIDocumentEncoder.h"
#include "nsXPIDLString.h"
#include "nsIDOMRange.h"
#include "nsIPrintContext.h"
// headers for plugin scriptability
#include "nsIScriptGlobalObject.h"
#include "nsIScriptContext.h"
#include "nsIXPConnect.h"
#include "nsIXPCScriptable.h"
#include "nsIClassInfo.h"
#include "jsapi.h"
// XXX temporary for Mac double buffering pref
#include "nsIPref.h"
// XXX For temporary paint code
#include "nsIStyleContext.h"
//~~~ For image mime types
#include "nsMimeTypes.h"
#include "nsObjectFrame.h"
#include "nsIObjectFrame.h"
#include "nsContentCID.h"
static NS_DEFINE_IID(kRangeCID, NS_RANGE_CID);
// XXX temporary for Mac double buffering pref
static NS_DEFINE_CID(kPrefServiceCID, NS_PREF_CID);
/* X headers suck */
#ifdef KeyPress
#undef KeyPress
#endif
class nsPluginInstanceOwner : public nsIPluginInstanceOwner,
public nsIPluginTagInfo2,
public nsIJVMPluginTagInfo,
public nsIEventListener,
public nsITimerCallback,
public nsIDOMMouseListener,
public nsIDOMKeyListener,
public nsIDOMFocusListener
{
public:
nsPluginInstanceOwner();
virtual ~nsPluginInstanceOwner();
NS_DECL_ISUPPORTS
//nsIPluginInstanceOwner interface
NS_IMETHOD SetInstance(nsIPluginInstance *aInstance);
NS_IMETHOD GetInstance(nsIPluginInstance *&aInstance);
NS_IMETHOD GetWindow(nsPluginWindow *&aWindow);
NS_IMETHOD GetMode(nsPluginMode *aMode);
NS_IMETHOD CreateWidget(void);
NS_IMETHOD GetURL(const char *aURL, const char *aTarget, void *aPostData,
PRUint32 aPostDataLen, void *aHeadersData,
PRUint32 aHeadersDataLen);
NS_IMETHOD ShowStatus(const char *aStatusMsg);
NS_IMETHOD GetDocument(nsIDocument* *aDocument);
//nsIPluginTagInfo interface
NS_IMETHOD GetAttributes(PRUint16& n, const char*const*& names,
const char*const*& values);
NS_IMETHOD GetAttribute(const char* name, const char* *result);
NS_IMETHOD GetDOMElement(nsIDOMElement* *result);
//nsIPluginTagInfo2 interface
NS_IMETHOD GetTagType(nsPluginTagType *result);
NS_IMETHOD GetTagText(const char* *result);
NS_IMETHOD GetParameters(PRUint16& n, const char*const*& names, const char*const*& values);
NS_IMETHOD GetParameter(const char* name, const char* *result);
NS_IMETHOD GetDocumentBase(const char* *result);
NS_IMETHOD GetDocumentEncoding(const char* *result);
NS_IMETHOD GetAlignment(const char* *result);
NS_IMETHOD GetWidth(PRUint32 *result);
NS_IMETHOD GetHeight(PRUint32 *result);
NS_IMETHOD GetBorderVertSpace(PRUint32 *result);
NS_IMETHOD GetBorderHorizSpace(PRUint32 *result);
NS_IMETHOD GetUniqueID(PRUint32 *result);
//nsIJVMPluginTagInfo interface
NS_IMETHOD GetCode(const char* *result);
NS_IMETHOD GetCodeBase(const char* *result);
NS_IMETHOD GetArchive(const char* *result);
NS_IMETHOD GetName(const char* *result);
NS_IMETHOD GetMayScript(PRBool *result);
/** nsIDOMMouseListener interfaces
* @see nsIDOMMouseListener
*/
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*/
// 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);
nsresult Destroy();
//nsIEventListener interface
nsEventStatus ProcessEvent(const nsGUIEvent & anEvent);
void Paint(const nsRect& aDirtyRect, PRUint32 ndc = nsnull);
// nsITimerCallback interface
NS_IMETHOD_(void) Notify(nsITimer *timer);
void CancelTimer();
//locals
NS_IMETHOD Init(nsIPresContext *aPresContext, nsObjectFrame *aFrame);
nsresult GetContainingBlock(nsIFrame *aFrame, nsIFrame **aContainingBlock);
nsPluginPort* GetPluginPort();
void ReleasePluginPort(nsPluginPort * pluginPort);//~~~
void SetPluginHost(nsIPluginHost* aHost);
#ifdef XP_MAC
void FixUpPluginWindow();
void GUItoMacEvent(const nsGUIEvent& anEvent, EventRecord& aMacEvent);
#endif
private:
nsPluginWindow mPluginWindow;
nsIPluginInstance *mInstance;
nsObjectFrame *mOwner;
PRInt32 mNumAttrs;
char **mAttrNames;
char **mAttrVals;
PRInt32 mNumParams;
char **mParamNames;
char **mParamVals;
char *mDocumentBase;
char *mTagText;
nsIWidget *mWidget;
nsIPresContext *mContext;
nsCOMPtr<nsITimer> mPluginTimer;
nsIPluginHost *mPluginHost;
nsresult DispatchKeyToPlugin(nsIDOMEvent* aKeyEvent);
nsresult DispatchMouseToPlugin(nsIDOMEvent* aMouseEvent);
nsresult DispatchFocusToPlugin(nsIDOMEvent* aFocusEvent);
};
// Mac specific code to fix up port position and clip during paint
#ifdef XP_MAC
// get the absolute widget position and clip
static void GetWidgetPosAndClip(nsIWidget* aWidget,nscoord& aAbsX, nscoord& aAbsY, nsRect& aClipRect);
static void ConvertTwipsToPixels(nsIPresContext& aPresContext, nsRect& aTwipsRect, nsRect& aPixelRect);
// convert relative coordinates to absolute
static void ConvertRelativeToWindowAbsolute(nsIFrame* aFrame, nsIPresContext* aPresContext, nsPoint& aRel, nsPoint& aAbs, nsIWidget *&aContainerWidget);
#endif // XP_MAC
nsObjectFrame::~nsObjectFrame()
{
// beard: stop the timer explicitly to reduce reference count.
if (nsnull != mInstanceOwner) {
mInstanceOwner->CancelTimer();
mInstanceOwner->Destroy();
}
NS_IF_RELEASE(mWidget);
NS_IF_RELEASE(mInstanceOwner);
NS_IF_RELEASE(mFullURL);
}
NS_IMETHODIMP
nsObjectFrame::QueryInterface(const nsIID& aIID, void** aInstancePtr)
{
NS_ENSURE_ARG_POINTER(aInstancePtr);
*aInstancePtr = nsnull;
#ifdef DEBUG
if (aIID.Equals(NS_GET_IID(nsIFrameDebug))) {
*aInstancePtr = NS_STATIC_CAST(nsIFrameDebug*,this);
return NS_OK;
}
#endif
if (aIID.Equals(NS_GET_IID(nsIObjectFrame))) {
*aInstancePtr = NS_STATIC_CAST(nsIObjectFrame*,this);
return NS_OK;
} else if (aIID.Equals(NS_GET_IID(nsIFrame))) {
*aInstancePtr = NS_STATIC_CAST(nsIFrame*,this);
return NS_OK;
} else if (aIID.Equals(NS_GET_IID(nsISupports))) {
*aInstancePtr = NS_STATIC_CAST(nsIObjectFrame*,this);
return NS_OK;
}
return NS_NOINTERFACE;
}
NS_IMETHODIMP_(nsrefcnt) nsObjectFrame::AddRef(void)
{
NS_WARNING("not supported for frames");
return 1;
}
NS_IMETHODIMP_(nsrefcnt) nsObjectFrame::Release(void)
{
NS_WARNING("not supported for frames");
return 1;
}
static NS_DEFINE_IID(kViewCID, NS_VIEW_CID);
static NS_DEFINE_IID(kWidgetCID, NS_CHILD_CID);
static NS_DEFINE_IID(kCAppShellCID, NS_APPSHELL_CID);
static NS_DEFINE_IID(kCPluginManagerCID, NS_PLUGINMANAGER_CID);
PRIntn
nsObjectFrame::GetSkipSides() const
{
return 0;
}
//~~~
#define IMAGE_EXT_GIF "gif"
#define IMAGE_EXT_JPG "jpg"
#define IMAGE_EXT_PNG "png"
#define IMAGE_EXT_XBM "xbm"
// #define DO_DIRTY_INTERSECT 1 // enable dirty rect intersection during paint
void nsObjectFrame::IsSupportedImage(nsIContent* aContent, PRBool* aImage)
{
*aImage = PR_FALSE;
if(aContent == NULL)
return;
nsAutoString type;
nsresult rv = aContent->GetAttribute(kNameSpaceID_HTML, nsHTMLAtoms::type, type);
if((rv == NS_CONTENT_ATTR_HAS_VALUE) && (type.Length() > 0))
{
// should be really call to imlib
if(type.EqualsIgnoreCase(IMAGE_GIF) ||
type.EqualsIgnoreCase(IMAGE_JPG) ||
type.EqualsIgnoreCase(IMAGE_PJPG)||
type.EqualsIgnoreCase(IMAGE_PNG) ||
type.EqualsIgnoreCase(IMAGE_PPM) ||
type.EqualsIgnoreCase(IMAGE_XBM) ||
type.EqualsIgnoreCase(IMAGE_XBM2)||
type.EqualsIgnoreCase(IMAGE_XBM3))
{
*aImage = PR_TRUE;
}
return;
}
nsAutoString data;
rv = aContent->GetAttribute(kNameSpaceID_HTML, nsHTMLAtoms::data, data);
if((rv == NS_CONTENT_ATTR_HAS_VALUE) && (data.Length() > 0))
{
// should be really call to imlib
nsAutoString ext;
PRInt32 iLastCharOffset = data.Length() - 1;
PRInt32 iPointOffset = data.RFindChar('.');
if(iPointOffset != -1)
{
data.Mid(ext, iPointOffset + 1, iLastCharOffset - iPointOffset);
if(ext.EqualsIgnoreCase(IMAGE_EXT_GIF) ||
ext.EqualsIgnoreCase(IMAGE_EXT_JPG) ||
ext.EqualsIgnoreCase(IMAGE_EXT_PNG) ||
ext.EqualsIgnoreCase(IMAGE_EXT_XBM))
{
*aImage = PR_TRUE;
}
}
return;
}
}
NS_IMETHODIMP nsObjectFrame::SetInitialChildList(nsIPresContext* aPresContext,
nsIAtom* aListName,
nsIFrame* aChildList)
{
// we don't want to call this if it is already set (image)
nsresult rv = NS_OK;
if(mFrames.IsEmpty())
rv = nsObjectFrameSuper::SetInitialChildList(aPresContext, aListName, aChildList);
return rv;
}
NS_IMETHODIMP
nsObjectFrame::Init(nsIPresContext* aPresContext,
nsIContent* aContent,
nsIFrame* aParent,
nsIStyleContext* aContext,
nsIFrame* aPrevInFlow)
{
nsresult rv = nsObjectFrameSuper::Init(aPresContext, aContent, aParent, aContext, aPrevInFlow);
if(rv != NS_OK)
return rv;
mPresContext = aPresContext; // weak ref
PRBool bImage = PR_FALSE;
//Ideally should be call to imlib, when it is available
// and even move this code to Reflow when the stream starts to come
IsSupportedImage(aContent, &bImage);
if(bImage)
{
nsCOMPtr<nsIPresShell> shell;
aPresContext->GetShell(getter_AddRefs(shell));
nsIFrame * aNewFrame = nsnull;
rv = NS_NewImageFrame(shell, &aNewFrame);
if(rv != NS_OK)
return rv;
rv = aNewFrame->Init(aPresContext, aContent, this, aContext, aPrevInFlow);
if(rv == NS_OK)
{
nsHTMLContainerFrame::CreateViewForFrame(aPresContext, aNewFrame, aContext, nsnull, PR_FALSE);
mFrames.AppendFrame(this, aNewFrame);
}
else
aNewFrame->Destroy(aPresContext);
}
return rv;
}
NS_IMETHODIMP
nsObjectFrame::Destroy(nsIPresContext* aPresContext)
{
// we need to finish with the plugin before native window is destroyed
// doing this in the destructor is too late.
if(mInstanceOwner != nsnull)
{
nsIPluginInstance *inst;
if(NS_OK == mInstanceOwner->GetInstance(inst))
{
PRBool doCache = PR_TRUE;
PRBool doCallSetWindowAfterDestroy = PR_FALSE;
// first, determine if the plugin wants to be cached
inst->GetValue(nsPluginInstanceVariable_DoCacheBool,
(void *) &doCache);
if (!doCache) {
// then determine if the plugin wants Destroy to be called after
// Set Window. This is for bug 50547.
inst->GetValue(nsPluginInstanceVariable_CallSetWindowAfterDestroyBool,
(void *) &doCallSetWindowAfterDestroy);
if (doCallSetWindowAfterDestroy) {
inst->Stop();
inst->Destroy();
inst->SetWindow(nsnull);
}
else {
inst->SetWindow(nsnull);
inst->Stop();
inst->Destroy();
}
}
else {
inst->SetWindow(nsnull);
inst->Stop();
}
NS_RELEASE(inst);
}
}
return nsObjectFrameSuper::Destroy(aPresContext);
}
NS_IMETHODIMP
nsObjectFrame::GetFrameType(nsIAtom** aType) const
{
NS_PRECONDITION(nsnull != aType, "null OUT parameter pointer");
*aType = nsLayoutAtoms::objectFrame;
NS_ADDREF(*aType);
return NS_OK;
}
#ifdef DEBUG
NS_IMETHODIMP
nsObjectFrame::GetFrameName(nsString& aResult) const
{
return MakeFrameName("ObjectFrame", aResult);
}
#endif
nsresult
nsObjectFrame::CreateWidget(nsIPresContext* aPresContext,
nscoord aWidth,
nscoord aHeight,
PRBool aViewOnly)
{
#ifndef XP_MAC
// Do not create a widget if 'hidden' (except for Mac, where we
// always create a widget...)
if (IsHidden())
return NS_OK;
#endif
nsIView* view;
// Create our view and widget
nsresult result =
nsComponentManager::CreateInstance(kViewCID, nsnull, NS_GET_IID(nsIView),
(void **)&view);
if (NS_OK != result) {
return result;
}
nsIViewManager *viewMan; // need to release
nsRect boundBox(0, 0, aWidth, aHeight);
nsIFrame* parWithView;
nsIView *parView;
GetParentWithView(aPresContext, &parWithView);
parWithView->GetView(aPresContext, &parView);
if (NS_OK == parView->GetViewManager(viewMan))
{
// nsWidgetInitData* initData = GetWidgetInitData(aPresContext); // needs to be deleted
// initialize the view as hidden since we don't know the (x,y) until Paint
result = view->Init(viewMan, boundBox, parView, nsViewVisibility_kHide);
// if (nsnull != initData) {
// delete(initData);
// }
if (NS_OK != result) {
result = NS_OK; //XXX why OK? MMP
goto exit; //XXX sue me. MMP
}
#if 0
// set the content's widget, so it can get content modified by the widget
nsIWidget *widget;
result = GetWidget(view, &widget);
if (NS_OK == result) {
nsInput* content = (nsInput *)mContent; // change this cast to QueryInterface
content->SetWidget(widget);
NS_IF_RELEASE(widget);
} else {
NS_ASSERTION(0, "could not get widget");
}
#endif
// Turn off double buffering on the Mac. This depends on bug 49743 and partially
// fixes 32327, 19931 amd 51787
#ifdef XP_MAC
nsCOMPtr<nsIPref> prefs(do_GetService(kPrefServiceCID));
PRBool doubleBuffer = PR_FALSE;
prefs ? prefs->GetBoolPref("plugin.enable_double_buffer", &doubleBuffer) : 0;
viewMan->AllowDoubleBuffering(doubleBuffer);
#endif
viewMan->InsertChild(parView, view, 0);
result = view->CreateWidget(kWidgetCID);
if (NS_OK != result) {
result = NS_OK; //XXX why OK? MMP
goto exit; //XXX sue me. MMP
}
}
{
//this is ugly. it was ripped off from didreflow(). MMP
// Position and size view relative to its parent, not relative to our
// parent frame (our parent frame may not have a view).
nsIView* parentWithView;
nsPoint origin;
view->SetVisibility(nsViewVisibility_kShow);
GetOffsetFromView(aPresContext, origin, &parentWithView);
viewMan->ResizeView(view, mRect.width, mRect.height);
viewMan->MoveViewTo(view, origin.x, origin.y);
}
SetView(aPresContext, view);
exit:
NS_IF_RELEASE(viewMan);
return result;
}
#define EMBED_DEF_WIDTH 240
#define EMBED_DEF_HEIGHT 200
void
nsObjectFrame::GetDesiredSize(nsIPresContext* aPresContext,
const nsHTMLReflowState& aReflowState,
nsHTMLReflowMetrics& aMetrics)
{
// Determine our size stylistically
PRBool haveWidth = PR_FALSE;
PRBool haveHeight = PR_FALSE;
PRUint32 width = EMBED_DEF_WIDTH;
PRUint32 height = EMBED_DEF_HEIGHT;
if (IsHidden()) {
// If we're hidden, then width and height are zero.
haveWidth = haveHeight = PR_TRUE;
aMetrics.width = aMetrics.height = 0;
}
else {
if (NS_UNCONSTRAINEDSIZE != aReflowState.mComputedWidth) {
aMetrics.width = aReflowState.mComputedWidth;
haveWidth = PR_TRUE;
}
else if(mInstanceOwner != nsnull) {
if(NS_OK != mInstanceOwner->GetWidth(&width)) {
width = EMBED_DEF_WIDTH;
haveWidth = PR_FALSE;
}
else
haveWidth = PR_FALSE;
}
if (NS_UNCONSTRAINEDSIZE != aReflowState.mComputedHeight) {
aMetrics.height = aReflowState.mComputedHeight;
haveHeight = PR_TRUE;
}
else if(mInstanceOwner != nsnull) {
if(NS_OK != mInstanceOwner->GetHeight(&height)) {
height = EMBED_DEF_HEIGHT;
haveHeight = PR_FALSE;
}
else
haveHeight = PR_FALSE;
}
}
// XXX Temporary auto-sizing logic
if (!haveWidth) {
if (haveHeight) {
aMetrics.width = aMetrics.height;
}
else {
float p2t;
aPresContext->GetScaledPixelsToTwips(&p2t);
aMetrics.width = NSIntPixelsToTwips(width, p2t);
}
}
if (!haveHeight) {
if (haveWidth) {
aMetrics.height = aMetrics.width;
}
else {
float p2t;
aPresContext->GetScaledPixelsToTwips(&p2t);
aMetrics.height = NSIntPixelsToTwips(height, p2t);
}
}
aMetrics.ascent = aMetrics.height;
aMetrics.descent = 0;
}
#define JAVA_CLASS_ID "8AD9C840-044E-11D1-B3E9-00805F499D93"
NS_IMETHODIMP
nsObjectFrame::Reflow(nsIPresContext* aPresContext,
nsHTMLReflowMetrics& aMetrics,
const nsHTMLReflowState& aReflowState,
nsReflowStatus& aStatus)
{
DO_GLOBAL_REFLOW_COUNT("nsObjectFrame", aReflowState.reason);
nsresult rv = NS_OK;
// Get our desired size
GetDesiredSize(aPresContext, aReflowState, aMetrics);
// initialize max element size if present
if (aMetrics.maxElementSize) {
aMetrics.maxElementSize->width = 0;
aMetrics.maxElementSize->height = 0;
}
// handle an image elsewhere
PRBool isImage;
IsSupportedImage(mContent, &isImage);
if (isImage) {
return HandleImage(aPresContext, aMetrics, aReflowState, aStatus, mFrames.FirstChild());
}
// if we are printing, bail for now
nsCOMPtr<nsIPrintContext> thePrinterContext = do_QueryInterface(aPresContext);
if (thePrinterContext) return rv;
// if mInstance is null, we need to determine what kind of object we are and instantiate ourselves
if (!mInstanceOwner) {
// XXX - do we need to create this for widgets as well?
mInstanceOwner = new nsPluginInstanceOwner();
if(!mInstanceOwner) return NS_ERROR_OUT_OF_MEMORY;
NS_ADDREF(mInstanceOwner);
mInstanceOwner->Init(aPresContext, this);
nsCOMPtr<nsISupports> container;
nsCOMPtr<nsIPluginHost> pluginHost;
nsCOMPtr<nsIURI> baseURL;
nsCOMPtr<nsIURI> fullURL;
nsAutoString classid;
PRInt32 nameSpaceID;
// if we have a clsid, we're either an internal widget, an ActiveX control, or an applet
mContent->GetNameSpaceID(nameSpaceID);
if (NS_CONTENT_ATTR_HAS_VALUE == mContent->GetAttribute(nameSpaceID, nsHTMLAtoms::classid, classid)) {
PRBool bJavaObject = PR_FALSE;
PRBool bJavaPluginClsid = PR_FALSE;
if (classid.Find("java:") != -1) {
classid.Cut(0, 5); // Strip off the "java:". What's left is the class file.
bJavaObject = PR_TRUE;
}
if (classid.Find("clsid:") != -1) {
classid.Cut(0, 6); // Strip off the "clsid:". What's left is the class ID.
bJavaPluginClsid = (classid.EqualsWithConversion(JAVA_CLASS_ID));
}
// if we find "java:" in the class id, or we match the Java
// classid number, we have a java applet
if(bJavaObject || bJavaPluginClsid) {
if (NS_FAILED(rv = GetBaseURL(*getter_AddRefs(baseURL)))) return rv;
nsAutoString codeBase;
if ((NS_CONTENT_ATTR_HAS_VALUE ==
mContent->GetAttribute(kNameSpaceID_HTML, nsHTMLAtoms::codebase, codeBase)) &&
!bJavaPluginClsid) {
nsCOMPtr<nsIURI> codeBaseURL;
rv = NS_NewURI(getter_AddRefs(codeBaseURL), codeBase, baseURL);
if (NS_SUCCEEDED(rv)) {
baseURL = codeBaseURL;
}
}
// Create an absolute URL
if(bJavaPluginClsid) {
rv = NS_NewURI(getter_AddRefs(fullURL), classid, baseURL);
}
else fullURL = baseURL;
// get the nsIPluginHost interface
pluginHost = do_GetService(kCPluginManagerCID);
if (!pluginHost) return NS_ERROR_FAILURE;
mInstanceOwner->SetPluginHost(pluginHost);
rv = InstantiatePlugin(aPresContext, aMetrics, aReflowState,
pluginHost, "application/x-java-vm", fullURL);
}
else { // otherwise, we're either an ActiveX control or an internal widget
// These are some builtin types that we know about for now.
// (Eventually this will move somewhere else.)
if (classid.EqualsWithConversion("browser")) {
rv = InstantiateWidget(aPresContext, aMetrics,
aReflowState, kCAppShellCID);
}
else {
// if we haven't matched to an internal type, check to see if
// we have an ActiveX handler
// if not, create the default plugin
if (NS_FAILED(rv = GetBaseURL(*getter_AddRefs(baseURL)))) return rv;
// if we have a codebase, add it to the fullURL
nsAutoString codeBase;
if (NS_CONTENT_ATTR_HAS_VALUE == mContent->GetAttribute(kNameSpaceID_HTML, nsHTMLAtoms::codebase, codeBase)) {
nsCOMPtr<nsIURI> codeBaseURL;
rv = NS_NewURI(getter_AddRefs(fullURL), codeBase, baseURL);
if (NS_SUCCEEDED(rv)) {
baseURL = codeBaseURL;
}
}
else fullURL = baseURL;
// get the nsIPluginHost interface
pluginHost = do_GetService(kCPluginManagerCID);
if (!pluginHost) return NS_ERROR_FAILURE;
mInstanceOwner->SetPluginHost(pluginHost);
if (NS_SUCCEEDED(pluginHost->IsPluginEnabledForType("application/x-oleobject"))) {
rv = InstantiatePlugin(aPresContext, aMetrics, aReflowState, pluginHost,
"application/x-oleobject", fullURL);
}
else if (NS_SUCCEEDED(pluginHost->IsPluginEnabledForType("application/oleobject"))) {
rv = InstantiatePlugin(aPresContext, aMetrics, aReflowState, pluginHost,
"application/oleobject", fullURL);
}
else rv = NS_ERROR_FAILURE;
}
}
// finish up
if (NS_SUCCEEDED(rv)) {
aStatus = NS_FRAME_COMPLETE;
return NS_OK;
}
}
else { // the object is either an applet or a plugin
nsAutoString src;
if (NS_FAILED(rv = GetBaseURL(*getter_AddRefs(baseURL)))) return rv;
// get the nsIPluginHost interface
pluginHost = do_GetService(kCPluginManagerCID);
if (!pluginHost) return NS_ERROR_FAILURE;
mInstanceOwner->SetPluginHost(pluginHost);
nsCOMPtr<nsIAtom> tag;
mContent->GetTag(*getter_AddRefs(tag));
if (tag.get() == nsHTMLAtoms::applet) {
if (NS_CONTENT_ATTR_HAS_VALUE == mContent->GetAttribute(kNameSpaceID_HTML, nsHTMLAtoms::code, src)) {
nsAutoString codeBase;
if (NS_CONTENT_ATTR_HAS_VALUE == mContent->GetAttribute(kNameSpaceID_HTML, nsHTMLAtoms::codebase, codeBase)) {
nsCOMPtr<nsIURI> codeBaseURL;
rv = NS_NewURI(getter_AddRefs(codeBaseURL), codeBase, baseURL);
if(rv == NS_OK) {
baseURL = codeBaseURL;
}
}
// Create an absolute URL
rv = NS_NewURI(getter_AddRefs(fullURL), src, baseURL);
}
rv = InstantiatePlugin(aPresContext, aMetrics, aReflowState,
pluginHost, "application/x-java-vm", fullURL);
} else { // traditional plugin
nsXPIDLCString mimeType;
nsAutoString type;
mContent->GetAttribute(kNameSpaceID_HTML, nsHTMLAtoms::type, type);
if (type.Length()) {
*getter_Copies(mimeType) = type.ToNewCString();
}
//stream in the object source if there is one...
if (NS_CONTENT_ATTR_HAS_VALUE ==
mContent->GetAttribute(kNameSpaceID_HTML, nsHTMLAtoms::src, src)) {
// Create an absolute URL
rv = NS_NewURI(getter_AddRefs(fullURL), src, baseURL);
if (NS_FAILED(rv)) {
// Failed to create URI, maybe because we didn't
// reconize the protocol handler ==> treat like
// no 'src' was specified in the embed tag
fullURL = baseURL;
}
}
else if (NS_CONTENT_ATTR_HAS_VALUE ==
mContent->GetAttribute(kNameSpaceID_HTML, nsHTMLAtoms::data, src)) {
// Create an absolute URL
rv = NS_NewURI(getter_AddRefs(fullURL), src, baseURL);
if (NS_FAILED(rv)) {
// Failed to create URI, maybe because we didn't
// reconize the protocol handler ==> treat like
// no 'data' was specified in the object tag
fullURL = baseURL;
}
}
else {
// we didn't find a src or data param, so just set the url to the base
fullURL = baseURL;
}
// if we didn't find the type, but we do have a src, we can
// determine the mimetype based on the file extension
if (!mimeType && src.GetUnicode()) {
nsXPIDLCString extension;
PRInt32 offset = src.RFindChar(PRUnichar('.'));
if (offset != kNotFound) {
*getter_Copies(extension) = ToNewCString(Substring(src, offset+1, src.Length()));
}
pluginHost->IsPluginEnabledForExtension(extension, *getter_Shares(mimeType));
}
rv = InstantiatePlugin(aPresContext, aMetrics, aReflowState,
pluginHost, mimeType, fullURL);
}
}
}
else { // if (!mInstanceOwner)
rv = ReinstantiatePlugin(aPresContext, aMetrics, aReflowState);
}
// finish up
if (NS_SUCCEEDED(rv)) {
NotifyContentObjectWrapper();
}
else {
rv = NS_OK;
// reflow the 1st object frame child as an alternate. If there is none,
// then display our alternative content with CantRenderReplacedElement()
nsIFrame* childFrame = mFrames.FirstChild();
while (childFrame) {
nsCOMPtr<nsIAtom> frameType;
childFrame->GetFrameType(getter_AddRefs(frameType));
if (frameType.get() == nsLayoutAtoms::objectFrame) {
nsHTMLReflowState childRS(aPresContext, aReflowState, childFrame,
nsSize(aReflowState.availableWidth, aReflowState.availableHeight));
// reflow the child object frame and let it set rv, aStatus
return ReflowChild(childFrame, aPresContext, aMetrics, childRS,
0, 0, NS_FRAME_NO_MOVE_FRAME, aStatus);
}
childFrame->GetNextSibling(&childFrame);
}
// there was no object frame child, so render the content
nsCOMPtr<nsIPresShell> presShell;
aPresContext->GetShell(getter_AddRefs(presShell));
presShell->CantRenderReplacedElement(aPresContext, this);
}
aStatus = NS_FRAME_COMPLETE;
return rv;
}
nsresult
nsObjectFrame::InstantiateWidget(nsIPresContext* aPresContext,
nsHTMLReflowMetrics& aMetrics,
const nsHTMLReflowState& aReflowState,
nsCID aWidgetCID)
{
nsresult rv;
GetDesiredSize(aPresContext, aReflowState, aMetrics);
nsIView *parentWithView;
nsPoint origin;
GetOffsetFromView(aPresContext, origin, &parentWithView);
// Just make the frigging widget
float t2p;
aPresContext->GetTwipsToPixels(&t2p);
PRInt32 x = NSTwipsToIntPixels(origin.x, t2p);
PRInt32 y = NSTwipsToIntPixels(origin.y, t2p);
PRInt32 width = NSTwipsToIntPixels(aMetrics.width, t2p);
PRInt32 height = NSTwipsToIntPixels(aMetrics.height, t2p);
nsRect r = nsRect(x, y, width, height);
if((rv = nsComponentManager::CreateInstance(aWidgetCID, nsnull, NS_GET_IID(nsIWidget), (void**)&mWidget)) != NS_OK)
return rv;
nsIWidget *parent;
parentWithView->GetOffsetFromWidget(nsnull, nsnull, parent);
mWidget->Create(parent, r, nsnull, nsnull);
mWidget->Show(PR_TRUE);
return rv;
}
nsresult
nsObjectFrame::InstantiatePlugin(nsIPresContext* aPresContext,
nsHTMLReflowMetrics& aMetrics,
const nsHTMLReflowState& aReflowState,
nsIPluginHost* aPluginHost,
const char* aMimetype,
nsIURI* aURI)
{
nsIView *parentWithView;
nsPoint origin;
nsPluginWindow *window;
float t2p;
aPresContext->GetTwipsToPixels(&t2p);
SetFullURL(aURI);
// we need to recalculate this now that we have access to the nsPluginInstanceOwner
// and its size info (as set in the tag)
GetDesiredSize(aPresContext, aReflowState, aMetrics);
if (nsnull != aMetrics.maxElementSize)
{
//XXX AddBorderPaddingToMaxElementSize(borderPadding);
aMetrics.maxElementSize->width = aMetrics.width;
aMetrics.maxElementSize->height = aMetrics.height;
}
mInstanceOwner->GetWindow(window);
GetOffsetFromView(aPresContext, origin, &parentWithView);
window->x = NSTwipsToIntPixels(origin.x, t2p);
window->y = NSTwipsToIntPixels(origin.y, t2p);
window->width = NSTwipsToIntPixels(aMetrics.width, t2p);
window->height = NSTwipsToIntPixels(aMetrics.height, t2p);
// on the Mac we need to set the clipRect to { 0, 0, 0, 0 } for now. This will keep
// us from drawing on screen until the widget is properly positioned, which will not
// happen until we have finished the reflow process.
window->clipRect.top = 0;
window->clipRect.left = 0;
#ifndef XP_MAC
window->clipRect.bottom = NSTwipsToIntPixels(aMetrics.height, t2p);
window->clipRect.right = NSTwipsToIntPixels(aMetrics.width, t2p);
#else
window->clipRect.bottom = 0;
window->clipRect.right = 0;
#endif
#ifdef XP_UNIX
window->ws_info = nsnull; //XXX need to figure out what this is. MMP
#endif
// Check to see if content-policy wants to veto this
if(aURI != nsnull)
{
PRBool shouldLoad = PR_TRUE; // default permit
nsresult rv;
nsCOMPtr<nsIDOMElement> element = do_QueryInterface(mContent, &rv);
if (NS_FAILED(rv)) return rv;
nsCOMPtr<nsIPresShell> shell;
rv = aPresContext->GetShell(getter_AddRefs(shell));
if (NS_FAILED(rv)) return rv;
nsCOMPtr<nsIDocument> document;
rv = shell->GetDocument(getter_AddRefs(document));
if (NS_FAILED(rv)) return rv;
nsCOMPtr<nsIScriptGlobalObject> globalScript;
rv = document->GetScriptGlobalObject(getter_AddRefs(globalScript));
if (NS_FAILED(rv)) return rv;
nsCOMPtr<nsIDOMWindow> domWin(do_QueryInterface(globalScript));
if (NS_SUCCEEDED(rv) &&
NS_SUCCEEDED(NS_CheckContentLoadPolicy(nsIContentPolicy::OBJECT,
aURI, element, domWin, &shouldLoad)) &&
!shouldLoad) {
return NS_OK;
}
}
return aPluginHost->InstantiateEmbededPlugin(aMimetype, aURI, mInstanceOwner);
}
// This is called when the page containing plugin is resized, and plugin has its dimensions
// specified in percentage, so it needs to follow the page on the fly.
nsresult
nsObjectFrame::ReinstantiatePlugin(nsIPresContext* aPresContext, nsHTMLReflowMetrics& aMetrics, const nsHTMLReflowState& aReflowState)
{
nsIView *parentWithView;
nsPoint origin;
nsPluginWindow *window;
float t2p;
aPresContext->GetTwipsToPixels(&t2p);
// we need to recalculate this now that we have access to the nsPluginInstanceOwner
// and its size info (as set in the tag)
GetDesiredSize(aPresContext, aReflowState, aMetrics);
if (nsnull != aMetrics.maxElementSize)
{
//XXX AddBorderPaddingToMaxElementSize(borderPadding);
aMetrics.maxElementSize->width = aMetrics.width;
aMetrics.maxElementSize->height = aMetrics.height;
}
mInstanceOwner->GetWindow(window);
GetOffsetFromView(aPresContext, origin, &parentWithView);
window->x = NSTwipsToIntPixels(origin.x, t2p);
window->y = NSTwipsToIntPixels(origin.y, t2p);
window->width = NSTwipsToIntPixels(aMetrics.width, t2p);
window->height = NSTwipsToIntPixels(aMetrics.height, t2p);
// ignore this for now on the Mac because the widget is not properly positioned
// yet and won't be until we have finished the reflow process.
#ifndef XP_MAC
window->clipRect.top = 0;
window->clipRect.left = 0;
window->clipRect.bottom = NSTwipsToIntPixels(aMetrics.height, t2p);
window->clipRect.right = NSTwipsToIntPixels(aMetrics.width, t2p);
#endif
#ifdef XP_UNIX
window->ws_info = nsnull; //XXX need to figure out what this is. MMP
#endif
return NS_OK;
}
nsresult
nsObjectFrame::HandleImage(nsIPresContext* aPresContext,
nsHTMLReflowMetrics& aMetrics,
const nsHTMLReflowState& aReflowState,
nsReflowStatus& aStatus,
nsIFrame* child)
{
nsSize availSize(NS_UNCONSTRAINEDSIZE, NS_UNCONSTRAINEDSIZE);
nsHTMLReflowMetrics kidDesiredSize(nsnull);
nsReflowReason reflowReason;
nsFrameState frameState;
child->GetFrameState(&frameState);
if (frameState & NS_FRAME_FIRST_REFLOW)
reflowReason = eReflowReason_Initial;
else
reflowReason = eReflowReason_Resize;
nsHTMLReflowState kidReflowState(aPresContext, aReflowState, child,
availSize, reflowReason);
nsReflowStatus status;
if(PR_TRUE)//reflowReason == eReflowReason_Initial)
{
kidDesiredSize.width = NS_UNCONSTRAINEDSIZE;
kidDesiredSize.height = NS_UNCONSTRAINEDSIZE;
}
// adjust kidReflowState
nsIHTMLContent* hc = nsnull;
mContent->QueryInterface(NS_GET_IID(nsIHTMLContent), (void**) &hc);
if(hc != nsnull)
{
float p2t;
aPresContext->GetScaledPixelsToTwips(&p2t);
nsHTMLValue val;
if(NS_CONTENT_ATTR_HAS_VALUE == hc->GetHTMLAttribute(nsHTMLAtoms::width, val))
{
if(eHTMLUnit_Pixel == val.GetUnit())
{
nscoord width = val.GetPixelValue();
kidReflowState.mComputedWidth = NSIntPixelsToTwips(width, p2t);
}
}
if(NS_CONTENT_ATTR_HAS_VALUE == hc->GetHTMLAttribute(nsHTMLAtoms::height, val))
{
if(eHTMLUnit_Pixel == val.GetUnit())
{
nscoord height = val.GetPixelValue();
kidReflowState.mComputedHeight = NSIntPixelsToTwips(height, p2t);
}
}
}
ReflowChild(child, aPresContext, kidDesiredSize, kidReflowState, 0, 0, 0, status);
FinishReflowChild(child, aPresContext, kidDesiredSize, 0, 0, 0);
aMetrics.width = kidDesiredSize.width;
aMetrics.height = kidDesiredSize.height;
aMetrics.ascent = kidDesiredSize.height;
aMetrics.descent = 0;
aStatus = NS_FRAME_COMPLETE;
return NS_OK;
}
nsresult
nsObjectFrame::GetBaseURL(nsIURI* &aURL)
{
nsIHTMLContent* htmlContent;
if (NS_SUCCEEDED(mContent->QueryInterface(NS_GET_IID(nsIHTMLContent), (void**)&htmlContent)))
{
htmlContent->GetBaseURL(aURL);
NS_RELEASE(htmlContent);
}
else
{
nsIDocument* doc = nsnull;
if (NS_SUCCEEDED(mContent->GetDocument(doc)))
{
doc->GetBaseURL(aURL);
NS_RELEASE(doc);
}
else
return NS_ERROR_FAILURE;
}
return NS_OK;
}
PRBool
nsObjectFrame::IsHidden() const
{
// check the style visibility first
const nsStyleDisplay* disp = (const nsStyleDisplay*)mStyleContext->GetStyleData(eStyleStruct_Display);
if (disp != nsnull)
{
if(!disp->IsVisibleOrCollapsed())
return PR_TRUE;
}
nsCOMPtr<nsIAtom> tag;
mContent->GetTag(*getter_AddRefs(tag));
if (tag.get() != nsHTMLAtoms::object) {
// The <object> tag doesn't support the 'hidden' attribute, but
// everything else does...
nsAutoString hidden;
mContent->GetAttribute(kNameSpaceID_None, nsHTMLAtoms::hidden, hidden);
// Yes, these are really the kooky ways that you could tell 4.x
// not to hide the <embed> once you'd put the 'hidden' attribute
// on the tag...
// these |NS_ConvertASCIItoUCS2|s can't be |NS_LITERAL_STRING|s until |EqualsIgnoreCase| get's fixed
if (hidden.Length() &&
! hidden.EqualsIgnoreCase(NS_ConvertASCIItoUCS2("false")) &&
! hidden.EqualsIgnoreCase(NS_ConvertASCIItoUCS2("no")) &&
! hidden.EqualsIgnoreCase(NS_ConvertASCIItoUCS2("off"))) {
// The <embed> or <applet> is hidden.
return PR_TRUE;
}
}
return PR_FALSE;
}
NS_IMETHODIMP
nsObjectFrame::ContentChanged(nsIPresContext* aPresContext,
nsIContent* aChild,
nsISupports* aSubContent)
{
// Generate a reflow command with this frame as the target frame
nsCOMPtr<nsIPresShell> shell;
nsresult rv = aPresContext->GetShell(getter_AddRefs(shell));
if (NS_SUCCEEDED(rv) && shell) {
nsIReflowCommand* reflowCmd;
rv = NS_NewHTMLReflowCommand(&reflowCmd, this,
nsIReflowCommand::ContentChanged);
if (NS_SUCCEEDED(rv)) {
shell->AppendReflowCommand(reflowCmd);
NS_RELEASE(reflowCmd);
}
}
return rv;
}
NS_IMETHODIMP
nsObjectFrame::DidReflow(nsIPresContext* aPresContext,
nsDidReflowStatus aStatus)
{
nsresult rv = nsObjectFrameSuper::DidReflow(aPresContext, aStatus);
// The view is created hidden; once we have reflowed it and it has been
// positioned then we show it.
if (NS_FRAME_REFLOW_FINISHED == aStatus && !IsHidden()) {
nsIView* view = nsnull;
GetView(aPresContext, &view);
if (nsnull != view) {
view->SetVisibility(nsViewVisibility_kShow);
}
if (nsnull != mInstanceOwner) {
nsPluginWindow *window;
if (NS_OK == mInstanceOwner->GetWindow(window)) {
nsIView *parentWithView;
nsPoint origin;
nsIPluginInstance *inst;
float t2p;
aPresContext->GetTwipsToPixels(&t2p);
nscoord offx, offy;
GetOffsetFromView(aPresContext, origin, &parentWithView);
#if 0
// beard: how do we get this?
parentWithView->GetScrollOffset(&offx, &offy);
#else
offx = offy = 0;
#endif
window->x = NSTwipsToIntPixels(origin.x, t2p);
window->y = NSTwipsToIntPixels(origin.y, t2p);
// window->width = NSTwipsToIntPixels(aMetrics.width, t2p);
// window->height = NSTwipsToIntPixels(aMetrics.height, t2p);
// refresh the plugin port as well
window->window = mInstanceOwner->GetPluginPort();
// beard: to preserve backward compatibility with Communicator 4.X, the
// clipRect must be in port coordinates.
#ifndef XP_MAC
// this is only well-defined on the Mac OS anyway, or perhaps for windowless plugins.
window->clipRect.top = 0;
window->clipRect.left = 0;
window->clipRect.bottom = window->clipRect.top + window->height;
window->clipRect.right = window->clipRect.left + window->width;
#else
// now that we have finished the reflow process, the widget is properly positioned
// and we can validate the plugin clipping information by syncing the plugin
// window info to reflect the current widget location.
mInstanceOwner->FixUpPluginWindow();
#endif
if (NS_OK == mInstanceOwner->GetInstance(inst)) {
inst->SetWindow(window);
NS_RELEASE(inst);
}
//~~~
mInstanceOwner->ReleasePluginPort((nsPluginPort *)window->window);
if (mWidget)
{
PRInt32 x = NSTwipsToIntPixels(origin.x, t2p);
PRInt32 y = NSTwipsToIntPixels(origin.y, t2p);
mWidget->Move(x, y);
}
}
}
}
return rv;
}
NS_IMETHODIMP
nsObjectFrame::Paint(nsIPresContext* aPresContext,
nsIRenderingContext& aRenderingContext,
const nsRect& aDirtyRect,
nsFramePaintLayer aWhichLayer)
{
// determine if we are a printcontext
nsCOMPtr<nsIPrintContext> thePrinterContext = do_QueryInterface(aPresContext);
if (thePrinterContext) {
// we are printing bail for now
return NS_OK;
}
const nsStyleDisplay* disp = (const nsStyleDisplay*)mStyleContext->GetStyleData(eStyleStruct_Display);
if ((disp != nsnull) && !disp->IsVisibleOrCollapsed()) {
return NS_OK;
}
nsIFrame * child = mFrames.FirstChild();
if (child != NULL) { // This is an image
nsObjectFrameSuper::Paint(aPresContext, aRenderingContext, aDirtyRect, aWhichLayer);
return NS_OK;
}
#if defined (XP_MAC)
// delegate all painting to the plugin instance.
if ((NS_FRAME_PAINT_LAYER_FOREGROUND == aWhichLayer) && (nsnull != mInstanceOwner)) {
mInstanceOwner->Paint(aDirtyRect);
}
#elif defined (XP_PC)
if (NS_FRAME_PAINT_LAYER_FOREGROUND == aWhichLayer)
{
nsIPluginInstance * inst;
if (NS_OK == GetPluginInstance(inst))
{
NS_RELEASE(inst);
// Look if it's windowless
nsPluginWindow * window;
mInstanceOwner->GetWindow(window);
if (window->type == nsPluginWindowType_Drawable)
{
PRUint32 hdc;
aRenderingContext.RetrieveCurrentNativeGraphicData(&hdc);
mInstanceOwner->Paint(aDirtyRect, hdc);
}
}
}
#endif /* !XP_MAC */
DO_GLOBAL_REFLOW_COUNT_DSP("nsObjectFrame", &aRenderingContext);
return NS_OK;
}
NS_IMETHODIMP
nsObjectFrame::HandleEvent(nsIPresContext* aPresContext,
nsGUIEvent* anEvent,
nsEventStatus* anEventStatus)
{
NS_ENSURE_ARG_POINTER(anEventStatus);
nsresult rv = NS_OK;
//~~~
//FIX FOR CRASHING WHEN NO INSTANCE OWVER
if (!mInstanceOwner)
return NS_ERROR_NULL_POINTER;
if (anEvent->message == NS_PLUGIN_ACTIVATE)
{
nsCOMPtr<nsIContent> content;
GetContent(getter_AddRefs(content));
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::Scrolled(nsIView *aView)
{
return NS_OK;
}
nsresult
nsObjectFrame::SetFullURL(nsIURI* aURL)
{
NS_IF_RELEASE(mFullURL);
mFullURL = aURL;
NS_IF_ADDREF(mFullURL);
return NS_OK;
}
nsresult nsObjectFrame::GetFullURL(nsIURI*& aFullURL)
{
aFullURL = mFullURL;
NS_IF_ADDREF(aFullURL);
return NS_OK;
}
nsresult nsObjectFrame::GetPluginInstance(nsIPluginInstance*& aPluginInstance)
{
aPluginInstance = nsnull;
if(mInstanceOwner == nsnull)
return NS_ERROR_NULL_POINTER;
else
return mInstanceOwner->GetInstance(aPluginInstance);
}
nsresult
nsObjectFrame::NotifyContentObjectWrapper()
{
nsCOMPtr<nsIDocument> doc;
mContent->GetDocument(*getter_AddRefs(doc));
NS_ENSURE_TRUE(doc, NS_ERROR_UNEXPECTED);
nsCOMPtr<nsIScriptGlobalObject> sgo;
doc->GetScriptGlobalObject(getter_AddRefs(sgo));
NS_ENSURE_TRUE(sgo, NS_ERROR_UNEXPECTED);
nsCOMPtr<nsIScriptContext> scx;
sgo->GetContext(getter_AddRefs(scx));
NS_ENSURE_TRUE(scx, NS_ERROR_UNEXPECTED);
JSContext *cx = (JSContext *)scx->GetNativeContext();
nsresult rv = NS_OK;
nsCOMPtr<nsIXPConnect> xpc(do_GetService(nsIXPConnect::GetCID(), &rv));
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsIXPConnectWrappedNative> wrapper;
xpc->GetWrappedNativeOfNativeObject(cx, ::JS_GetGlobalObject(cx), mContent,
NS_GET_IID(nsISupports),
getter_AddRefs(wrapper));
if (!wrapper) {
// Nothing to do here if there's no wrapper for mContent
return NS_OK;
}
nsCOMPtr<nsIClassInfo> ci(do_QueryInterface(mContent));
NS_ENSURE_TRUE(ci, NS_ERROR_UNEXPECTED);
nsCOMPtr<nsISupports> s;
ci->GetHelperForLanguage(nsIProgrammingLanguage::JAVASCRIPT,
getter_AddRefs(s));
nsCOMPtr<nsIXPCScriptable> helper(do_QueryInterface(s));
if (!helper) {
// There's nothing we can do if there's no helper
return NS_OK;
}
JSObject *obj = nsnull;
rv = wrapper->GetJSObject(&obj);
NS_ENSURE_SUCCESS(rv, rv);
// Abuse the scriptable helper to trigger prototype setup for the
// wrapper for mContent so that this plugin becomes part of the DOM
// object.
return helper->PostCreate(wrapper, cx, obj);
}
nsresult
NS_NewObjectFrame(nsIPresShell* aPresShell, nsIFrame** aNewFrame)
{
NS_PRECONDITION(aNewFrame, "null OUT ptr");
if (nsnull == aNewFrame) {
return NS_ERROR_NULL_POINTER;
}
nsObjectFrame* it = new (aPresShell) nsObjectFrame;
if (nsnull == it) {
return NS_ERROR_OUT_OF_MEMORY;
}
*aNewFrame = it;
return NS_OK;
}
//plugin instance owner
nsPluginInstanceOwner::nsPluginInstanceOwner()
{
NS_INIT_REFCNT();
memset(&mPluginWindow, 0, sizeof(mPluginWindow));
mInstance = nsnull;
mOwner = nsnull;
mNumAttrs = 0;
mAttrNames = nsnull;
mAttrVals = nsnull;
mWidget = nsnull;
mContext = nsnull;
mNumParams = 0;
mParamNames = nsnull;
mParamVals = nsnull;
mDocumentBase = nsnull;
mTagText = nsnull;
mPluginHost = nsnull;
}
nsPluginInstanceOwner::~nsPluginInstanceOwner()
{
PRInt32 cnt;
// shut off the timer.
if (mPluginTimer != nsnull) {
mPluginTimer->Cancel();
}
if (nsnull != mInstance)
{
if (mPluginHost)
mPluginHost->StopPluginInstance(mInstance);
NS_RELEASE(mInstance);
}
NS_IF_RELEASE(mPluginHost);
mOwner = nsnull;
for (cnt = 0; cnt < mNumAttrs; cnt++)
{
if ((nsnull != mAttrNames) && (nsnull != mAttrNames[cnt]))
{
PR_Free(mAttrNames[cnt]);
mAttrNames[cnt] = nsnull;
}
if ((nsnull != mAttrVals) && (nsnull != mAttrVals[cnt]))
{
PR_Free(mAttrVals[cnt]);
mAttrVals[cnt] = nsnull;
}
}
if (nsnull != mAttrNames)
{
PR_Free(mAttrNames);
mAttrNames = nsnull;
}
if (nsnull != mAttrVals)
{
PR_Free(mAttrVals);
mAttrVals = nsnull;
}
for (cnt = 0; cnt < mNumParams; cnt++)
{
if ((nsnull != mParamNames) && (nsnull != mParamNames[cnt]))
{
PR_Free(mParamNames[cnt]);
mParamNames[cnt] = nsnull;
}
if ((nsnull != mParamVals) && (nsnull != mParamVals[cnt]))
{
PR_Free(mParamVals[cnt]);
mParamVals[cnt] = nsnull;
}
}
if (nsnull != mParamNames)
{
PR_Free(mParamNames);
mParamNames = nsnull;
}
if (nsnull != mParamVals)
{
PR_Free(mParamVals);
mParamVals = nsnull;
}
if (nsnull != mDocumentBase)
{
nsCRT::free(mDocumentBase);
mDocumentBase = nsnull;
}
if (nsnull != mTagText)
{
nsCRT::free(mTagText);
mTagText = nsnull;
}
NS_IF_RELEASE(mWidget);
mContext = nsnull;
}
NS_IMPL_ADDREF(nsPluginInstanceOwner);
NS_IMPL_RELEASE(nsPluginInstanceOwner);
nsresult nsPluginInstanceOwner::QueryInterface(const nsIID& aIID,
void** aInstancePtrResult)
{
NS_PRECONDITION(nsnull != aInstancePtrResult, "null pointer");
if (nsnull == aInstancePtrResult)
return NS_ERROR_NULL_POINTER;
if (aIID.Equals(NS_GET_IID(nsIPluginInstanceOwner)))
{
*aInstancePtrResult = (void *)((nsIPluginInstanceOwner *)this);
AddRef();
return NS_OK;
}
if (aIID.Equals(NS_GET_IID(nsIPluginTagInfo)) || aIID.Equals(NS_GET_IID(nsIPluginTagInfo2)))
{
*aInstancePtrResult = (void *)((nsIPluginTagInfo2 *)this);
AddRef();
return NS_OK;
}
if (aIID.Equals(NS_GET_IID(nsIJVMPluginTagInfo)))
{
*aInstancePtrResult = (void *)((nsIJVMPluginTagInfo *)this);
AddRef();
return NS_OK;
}
if (aIID.Equals(NS_GET_IID(nsIEventListener)))
{
*aInstancePtrResult = (void *)((nsIEventListener *)this);
AddRef();
return NS_OK;
}
if (aIID.Equals(NS_GET_IID(nsITimerCallback)))
{
*aInstancePtrResult = (void *)((nsITimerCallback *)this);
AddRef();
return NS_OK;
}
if (aIID.Equals(NS_GET_IID(nsIDOMMouseListener))) {
*aInstancePtrResult = (void*)(nsIDOMMouseListener*) this;
AddRef();
return NS_OK;
}
if (aIID.Equals(NS_GET_IID(nsIDOMKeyListener))) {
*aInstancePtrResult = (void*)(nsIDOMKeyListener*) this;
AddRef();
return NS_OK;
}
if (aIID.Equals(NS_GET_IID(nsIDOMFocusListener))) {
*aInstancePtrResult = (void*)(nsIDOMFocusListener*) this;
AddRef();
return NS_OK;
}
if (aIID.Equals(NS_GET_IID(nsISupports)))
{
*aInstancePtrResult = (void *)((nsISupports *)((nsIPluginTagInfo *)this));
AddRef();
return NS_OK;
}
return NS_NOINTERFACE;
}
NS_IMETHODIMP nsPluginInstanceOwner::SetInstance(nsIPluginInstance *aInstance)
{
NS_IF_RELEASE(mInstance);
mInstance = aInstance;
NS_IF_ADDREF(mInstance);
return NS_OK;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetWindow(nsPluginWindow *&aWindow)
{
aWindow = &mPluginWindow;
return NS_OK;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetMode(nsPluginMode *aMode)
{
*aMode = nsPluginMode_Embedded;
return NS_OK;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetAttributes(PRUint16& n,
const char*const*& names,
const char*const*& values)
{
nsresult rv;
nsIContent* iContent;
if ((nsnull == mAttrNames) && (nsnull != mOwner)) {
rv = mOwner->GetContent(&iContent);
if (NS_SUCCEEDED(rv)) {
PRInt32 count;
if (NS_SUCCEEDED(iContent->GetAttributeCount(count))) {
PRInt32 index;
mAttrNames = (char **)PR_Calloc(sizeof(char *) * count, 1);
mAttrVals = (char **)PR_Calloc(sizeof(char *) * count, 1);
mNumAttrs = 0;
if ((nsnull != mAttrNames) && (nsnull != mAttrVals)) {
for (index = 0; index < count; index++) {
PRInt32 nameSpaceID;
nsCOMPtr<nsIAtom> atom;
nsCOMPtr<nsIAtom> prefix;
iContent->GetAttributeNameAt(index, nameSpaceID,
*getter_AddRefs(atom),
*getter_AddRefs(prefix));
nsAutoString value;
if (NS_CONTENT_ATTR_HAS_VALUE ==
iContent->GetAttribute(nameSpaceID, atom, value)) {
nsAutoString name;
atom->ToString(name);
/* Changing to ToNewUTF8String addressing 17169, 39789
mAttrNames[mNumAttrs] = (char *)PR_Malloc(name.Length() + 1);
mAttrVals[mNumAttrs] = (char *)PR_Malloc(value.Length() + 1);
if ((nsnull != mAttrNames[mNumAttrs]) &&
(nsnull != mAttrVals[mNumAttrs]))
{
name.ToCString(mAttrNames[mNumAttrs], name.Length() + 1);
value.ToCString(mAttrVals[mNumAttrs], value.Length() + 1);
mNumAttrs++;
}
else
{
if (nsnull != mAttrNames[mNumAttrs])
{
PR_Free(mAttrNames[mNumAttrs]);
mAttrNames[mNumAttrs] = nsnull;
}
if (nsnull != mAttrVals[mNumAttrs])
{
PR_Free(mAttrVals[mNumAttrs]);
mAttrVals[mNumAttrs] = nsnull;
}
}
*/
mAttrNames[mNumAttrs] = name.ToNewUTF8String();
mAttrVals[mNumAttrs] = value.ToNewUTF8String();
mNumAttrs++;
}
}
}
else {
rv = NS_ERROR_OUT_OF_MEMORY;
if (nsnull != mAttrVals) {
PR_Free(mAttrVals);
mAttrVals = nsnull;
}
if (nsnull != mAttrNames) {
PR_Free(mAttrNames);
mAttrNames = nsnull;
}
}
}
NS_RELEASE(iContent);
}
}
else {
rv = NS_OK;
}
n = mNumAttrs;
names = (const char **)mAttrNames;
values = (const char **)mAttrVals;
return rv;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetAttribute(const char* name, const char* *result)
{
if (nsnull == mAttrNames) {
PRUint16 numattrs;
const char * const *names, * const *vals;
GetAttributes(numattrs, names, vals);
}
*result = NULL;
for (int i = 0; i < mNumAttrs; i++) {
if (0 == PL_strcasecmp(mAttrNames[i], name)) {
*result = mAttrVals[i];
return NS_OK;
}
}
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetDOMElement(nsIDOMElement* *result)
{
nsresult rv = NS_ERROR_FAILURE;
*result = nsnull;
if (nsnull != mOwner)
{
nsIContent *cont;
mOwner->GetContent(&cont);
if (nsnull != cont)
{
rv = cont->QueryInterface(NS_GET_IID(nsIDOMElement), (void **)result);
NS_RELEASE(cont);
}
}
return rv;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetInstance(nsIPluginInstance *&aInstance)
{
if (nsnull != mInstance)
{
aInstance = mInstance;
NS_ADDREF(mInstance);
return NS_OK;
}
else
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetURL(const char *aURL, const char *aTarget, void *aPostData, PRUint32 aPostDataLen, void *aHeadersData,
PRUint32 aHeadersDataLen)
{
nsISupports *container;
nsILinkHandler *lh;
nsresult rv;
nsIView *view;
nsPoint origin;
if ((nsnull != mOwner) && (nsnull != mContext))
{
rv = mOwner->GetOffsetFromView(mContext, origin, &view);
if (NS_OK == rv)
{
rv = mContext->GetContainer(&container);
if (NS_OK == rv)
{
rv = container->QueryInterface(NS_GET_IID(nsILinkHandler), (void **)&lh);
if (NS_OK == rv)
{
nsAutoString uniurl; uniurl.AssignWithConversion(aURL);
nsAutoString unitarget; unitarget.AssignWithConversion(aTarget);
nsAutoString fullurl;
nsIURI* baseURL;
nsCOMPtr<nsIDocument> doc;
rv = GetDocument(getter_AddRefs(doc));
if (NS_SUCCEEDED(rv) && doc)
{
rv = doc->GetBaseURL(baseURL); // gets the document's url
}
else
{
mOwner->GetFullURL(baseURL); // gets the plugin's content url
}
// Create an absolute URL
rv = NS_MakeAbsoluteURI(fullurl, uniurl, baseURL);
NS_IF_RELEASE(baseURL);
if (NS_OK == rv) {
nsIContent* content = nsnull;
mOwner->GetContent(&content);
nsCOMPtr<nsISupports> result = nsnull;
nsCOMPtr<nsIInputStream> postDataStream;
nsCOMPtr<nsIInputStream> headersDataStream;
if (aPostData) {
NS_NewPostDataStream(getter_AddRefs(postDataStream),
PR_FALSE,
(const char *) aPostData, 0);
}
if (aHeadersData) {
NS_NewByteInputStream(getter_AddRefs(result),
(const char *) aHeadersData, aHeadersDataLen);
if (result) {
headersDataStream = do_QueryInterface(result, &rv);
}
}
rv = lh->OnLinkClick(content, eLinkVerb_Replace,
fullurl.GetUnicode(),
unitarget.GetUnicode(),
postDataStream, headersDataStream);
NS_IF_RELEASE(content);
}
NS_RELEASE(lh);
}
NS_RELEASE(container);
}
}
}
else
rv = NS_ERROR_FAILURE;
return rv;
}
NS_IMETHODIMP nsPluginInstanceOwner::ShowStatus(const char *aStatusMsg)
{
nsresult rv = NS_ERROR_FAILURE;
if (nsnull != mContext)
{
nsCOMPtr<nsISupports> cont;
rv = mContext->GetContainer(getter_AddRefs(cont));
if ((NS_OK == rv) && (nsnull != cont))
{
nsCOMPtr<nsIDocShellTreeItem> docShellItem(do_QueryInterface(cont));
if (docShellItem)
{
nsCOMPtr<nsIDocShellTreeOwner> treeOwner;
docShellItem->GetTreeOwner(getter_AddRefs(treeOwner));
if(treeOwner)
{
nsCOMPtr<nsIWebBrowserChrome> browserChrome(do_GetInterface(treeOwner));
if(browserChrome)
{
nsAutoString msg; msg.AssignWithConversion(aStatusMsg);
browserChrome->SetStatus(nsIWebBrowserChrome::STATUS_SCRIPT, msg.GetUnicode());
}
}
}
}
}
return rv;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetDocument(nsIDocument* *aDocument)
{
nsresult rv = NS_ERROR_FAILURE;
if (nsnull != mContext) {
nsCOMPtr<nsIPresShell> shell;
mContext->GetShell(getter_AddRefs(shell));
rv = shell->GetDocument(aDocument);
}
return rv;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetTagType(nsPluginTagType *result)
{
nsresult rv = NS_ERROR_FAILURE;
*result = nsPluginTagType_Unknown;
if (nsnull != mOwner)
{
nsIContent *cont;
mOwner->GetContent(&cont);
if (nsnull != cont)
{
nsIAtom *atom;
cont->GetTag(atom);
if (nsnull != atom)
{
if (atom == nsHTMLAtoms::applet)
*result = nsPluginTagType_Applet;
else if (atom == nsHTMLAtoms::embed)
*result = nsPluginTagType_Embed;
else if (atom == nsHTMLAtoms::object)
*result = nsPluginTagType_Object;
rv = NS_OK;
NS_RELEASE(atom);
}
NS_RELEASE(cont);
}
}
return rv;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetTagText(const char* *result)
{
if (nsnull == mTagText) {
nsresult rv;
nsCOMPtr<nsIContent> content;
rv = mOwner->GetContent(getter_AddRefs(content));
if (NS_FAILED(rv))
return rv;
nsCOMPtr<nsIDOMNode> node(do_QueryInterface(content, &rv));
if (NS_FAILED(rv))
return rv;
nsCOMPtr<nsIDocument> document;
rv = GetDocument(getter_AddRefs(document));
if (NS_FAILED(rv))
return rv;
nsCOMPtr<nsIDocumentEncoder> docEncoder(do_CreateInstance(NS_DOC_ENCODER_CONTRACTID_BASE "text/html", &rv));
if (NS_FAILED(rv))
return rv;
rv = docEncoder->Init(document, NS_LITERAL_STRING("text/html"), nsIDocumentEncoder::OutputEncodeEntities);
if (NS_FAILED(rv))
return rv;
nsCOMPtr<nsIDOMRange> range(do_CreateInstance(kRangeCID,&rv));
if (NS_FAILED(rv))
return rv;
rv = range->SelectNode(node);
if (NS_FAILED(rv))
return rv;
docEncoder->SetRange(range);
nsString elementHTML;
rv = docEncoder->EncodeToString(elementHTML);
if (NS_FAILED(rv))
return rv;
mTagText = elementHTML.ToNewUTF8String();
if (!mTagText)
return NS_ERROR_OUT_OF_MEMORY;
}
*result = mTagText;
return NS_OK;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetParameters(PRUint16& n, const char*const*& names, const char*const*& values)
{
nsresult rv = NS_ERROR_FAILURE;
if ((nsnull == mParamNames) && (nsnull != mOwner))
{
nsIContent *cont;
mOwner->GetContent(&cont);
if (nsnull != cont)
{
PRBool haskids = PR_FALSE;
cont->CanContainChildren(haskids);
if (PR_TRUE == haskids)
{
PRInt32 numkids, idx, numparams = 0;
cont->ChildCount(numkids);
//first pass, count number of param tags...
for (idx = 0; idx < numkids; idx++)
{
nsIContent *kid;
cont->ChildAt(idx, kid);
if (nsnull != kid)
{
nsIAtom *atom;
kid->GetTag(atom);
if (nsnull != atom)
{
if (atom == nsHTMLAtoms::param)
numparams++;
NS_RELEASE(atom);
}
NS_RELEASE(kid);
}
}
if (numparams > 0)
{
//now we need to create arrays
//representing the parameter name/value pairs...
mParamNames = (char **)PR_Calloc(sizeof(char *) * numparams, 1);
mParamVals = (char **)PR_Calloc(sizeof(char *) * numparams, 1);
if ((nsnull != mParamNames) && (nsnull != mParamVals))
{
for (idx = 0; idx < numkids; idx++)
{
nsIContent *kid;
cont->ChildAt(idx, kid);
if (nsnull != kid)
{
nsIAtom *atom;
kid->GetTag(atom);
if (nsnull != atom)
{
if (atom == nsHTMLAtoms::param)
{
nsAutoString val, name;
//add param to list...
if ((NS_CONTENT_ATTR_HAS_VALUE == kid->GetAttribute(kNameSpaceID_HTML, nsHTMLAtoms::name, name)) &&
(NS_CONTENT_ATTR_HAS_VALUE == kid->GetAttribute(kNameSpaceID_HTML, nsHTMLAtoms::value, val)))
{
/* Changing to ToNewUTF8String addressing 17169, 39789
mParamNames[mNumParams] = (char *)PR_Malloc(name.Length() + 1);
mParamVals[mNumParams] = (char *)PR_Malloc(val.Length() + 1);
if ((nsnull != mParamNames[mNumParams]) &&
(nsnull != mParamVals[mNumParams]))
{
name.ToCString(mParamNames[mNumParams], name.Length() + 1);
val.ToCString(mParamVals[mNumParams], val.Length() + 1);
mNumParams++;
}
else
{
if (nsnull != mParamNames[mNumParams])
{
PR_Free(mParamNames[mNumParams]);
mParamNames[mNumParams] = nsnull;
}
if (nsnull != mParamVals[mNumParams])
{
PR_Free(mParamVals[mNumParams]);
mParamVals[mNumParams] = nsnull;
}
}
*/
mParamNames[mNumParams] = name.ToNewUTF8String();
mParamVals[mNumParams] = val.ToNewUTF8String();
mNumParams++;
}
}
NS_RELEASE(atom);
}
}
NS_RELEASE(kid);
}
}
}
}
rv = NS_OK;
NS_RELEASE(cont);
}
}
n = mNumParams;
names = (const char **)mParamNames;
values = (const char **)mParamVals;
return rv;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetParameter(const char* name, const char* *result)
{
PRInt32 count;
if (nsnull == mParamNames)
{
PRUint16 numattrs;
const char * const *names, * const *vals;
GetParameters(numattrs, names, vals);
}
for (count = 0; count < mNumParams; count++)
{
if (0 == PL_strcasecmp(mParamNames[count], name))
{
*result = mParamVals[count];
break;
}
}
if (count >= mNumParams)
*result = "";
return NS_OK;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetDocumentBase(const char* *result)
{
nsresult rv = NS_OK;
if (nsnull == mDocumentBase) {
if (nsnull == mContext) {
*result = nsnull;
return NS_ERROR_FAILURE;
}
nsCOMPtr<nsIPresShell> shell;
mContext->GetShell(getter_AddRefs(shell));
nsCOMPtr<nsIDocument> doc;
shell->GetDocument(getter_AddRefs(doc));
nsCOMPtr<nsIURI> docURL( dont_AddRef(doc->GetDocumentURL()) );
rv = docURL->GetSpec(&mDocumentBase);
}
if (rv == NS_OK)
*result = mDocumentBase;
return rv;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetDocumentEncoding(const char* *result)
{
printf("instance owner getdocumentencoding called\n");
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetAlignment(const char* *result)
{
return GetAttribute("ALIGN", result);
}
NS_IMETHODIMP nsPluginInstanceOwner::GetWidth(PRUint32 *result)
{
nsresult rv;
const char *width;
rv = GetAttribute("WIDTH", &width);
if (NS_OK == rv)
{
if (*result != 0)
{
*result = 0;
PRInt32 attr = atol(width);
if(nsnull == strchr(width, '%'))
*result = (PRUint32)attr;
else
{
if(mContext == nsnull)
return NS_ERROR_FAILURE;
attr = (attr > 100) ? 100 : attr;
attr = (attr < 0) ? 0 : attr;
float t2p;
mContext->GetTwipsToPixels(&t2p);
nsRect rect;
mContext->GetVisibleArea(rect);
nscoord w = rect.width;
if(mOwner == nsnull)
{
*result = NSTwipsToIntPixels(attr*w/100, t2p);
return NS_OK;
}
// now make it nicely fit counting margins
nsIFrame *containingBlock=nsnull;
rv = GetContainingBlock(mOwner, &containingBlock);
if (NS_SUCCEEDED(rv) && containingBlock)
{
containingBlock->GetRect(rect);
w -= 2*rect.x;
// XXX: this math seems suspect to me. Is the parent's margin really twice the x-offset?
// in CSS, a frame can have independent left and right margins
}
*result = NSTwipsToIntPixels(attr*w/100, t2p);
}
}
else
*result = 0;
}
else
*result = 0;
return rv;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetHeight(PRUint32 *result)
{
nsresult rv;
const char *height;
rv = GetAttribute("HEIGHT", &height);
if (NS_OK == rv)
{
if (*result != 0)
{
*result = 0;
PRInt32 attr = atol(height);
if(nsnull == strchr(height, '%'))
*result = (PRUint32)attr;
else
{
if(mContext == nsnull)
return NS_ERROR_FAILURE;
attr = (attr > 100) ? 100 : attr;
attr = (attr < 0) ? 0 : attr;
float t2p;
mContext->GetTwipsToPixels(&t2p);
nsRect rect;
mContext->GetVisibleArea(rect);
nscoord h = rect.height;
if(mOwner == nsnull)
{
*result = NSTwipsToIntPixels(attr*h/100, t2p);
return NS_OK;
}
// now make it nicely fit counting margins
nsIFrame *containingBlock=nsnull;
rv = GetContainingBlock(mOwner, &containingBlock);
if (NS_SUCCEEDED(rv) && containingBlock)
{
containingBlock->GetRect(rect);
h -= 2*rect.y;
// XXX: this math seems suspect to me. Is the parent's margin really twice the x-offset?
// in CSS, a frame can have independent top and bottom margins
}
*result = NSTwipsToIntPixels(attr*h/100, t2p);
}
}
else
*result = 0;
}
else
*result = 0;
return rv;
}
// it would indicate a serious error in the frame model if aContainingBlock were null when
// GetContainingBlock returns
nsresult
nsPluginInstanceOwner::GetContainingBlock(nsIFrame *aFrame,
nsIFrame **aContainingBlock)
{
NS_ENSURE_ARG_POINTER(aFrame);
NS_ENSURE_ARG_POINTER(aContainingBlock);
*aContainingBlock = nsnull;
nsIFrame *containingBlock = aFrame;
while (containingBlock) {
PRBool isContainingBlock=PR_FALSE;
nsresult rv = containingBlock->IsPercentageBase(isContainingBlock);
NS_ENSURE_SUCCESS(rv, rv);
if (isContainingBlock)
{
*aContainingBlock = containingBlock;
break;
}
containingBlock->GetParent(&containingBlock);
}
NS_POSTCONDITION(*aContainingBlock, "bad frame model, this object frame has no containing block");
return NS_OK;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetBorderVertSpace(PRUint32 *result)
{
nsresult rv;
const char *vspace;
rv = GetAttribute("VSPACE", &vspace);
if (NS_OK == rv)
{
if (*result != 0)
*result = (PRUint32)atol(vspace);
else
*result = 0;
}
else
*result = 0;
return rv;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetBorderHorizSpace(PRUint32 *result)
{
nsresult rv;
const char *hspace;
rv = GetAttribute("HSPACE", &hspace);
if (NS_OK == rv)
{
if (*result != 0)
*result = (PRUint32)atol(hspace);
else
*result = 0;
}
else
*result = 0;
return rv;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetUniqueID(PRUint32 *result)
{
*result = (PRUint32)mContext;
return NS_OK;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetCode(const char* *result)
{
return GetAttribute("CODE", result);
}
NS_IMETHODIMP nsPluginInstanceOwner::GetCodeBase(const char* *result)
{
return GetAttribute("CODEBASE", result);
}
NS_IMETHODIMP nsPluginInstanceOwner::GetArchive(const char* *result)
{
return GetAttribute("ARCHIVE", result);
}
NS_IMETHODIMP nsPluginInstanceOwner::GetName(const char* *result)
{
return GetAttribute("NAME", result);
}
NS_IMETHODIMP nsPluginInstanceOwner::GetMayScript(PRBool *result)
{
const char* unused;
*result = (GetAttribute("MAYSCRIPT", &unused) == NS_OK ? PR_TRUE : PR_FALSE);
return NS_OK;
}
// Here's where we forward events to plugins.
#ifdef XP_MAC
#if TARGET_CARBON
inline Boolean OSEventAvail(EventMask mask, EventRecord* event) { return EventAvail(mask, event); }
#endif
void nsPluginInstanceOwner::GUItoMacEvent(const nsGUIEvent& anEvent, EventRecord& aMacEvent)
{
::OSEventAvail(0, &aMacEvent);
switch (anEvent.message) {
case NS_FOCUS_EVENT_START: // this is the same as NS_FOCUS_CONTENT
aMacEvent.what = nsPluginEventType_GetFocusEvent;
if (mOwner && mOwner->mPresContext)
{
nsCOMPtr<nsIContent> content;
mOwner->GetContent(getter_AddRefs(content));
if (content)
content->SetFocus(mOwner->mPresContext);
}
break;
case NS_BLUR_CONTENT:
aMacEvent.what = nsPluginEventType_LoseFocusEvent;
if (mOwner && mOwner->mPresContext)
{
nsCOMPtr<nsIContent> content;
mOwner->GetContent(getter_AddRefs(content));
if (content)
content->RemoveFocus(mOwner->mPresContext);
}
break;
case NS_MOUSE_MOVE:
case NS_MOUSE_ENTER:
aMacEvent.what = nsPluginEventType_AdjustCursorEvent;
break;
default:
aMacEvent.what = nullEvent;
break;
}
}
#endif
/*=============== nsIFocusListener ======================*/
nsresult nsPluginInstanceOwner::Focus(nsIDOMEvent * aFocusEvent)
{
return DispatchFocusToPlugin(aFocusEvent);
}
nsresult nsPluginInstanceOwner::Blur(nsIDOMEvent * aFocusEvent)
{
return DispatchFocusToPlugin(aFocusEvent);
}
nsresult nsPluginInstanceOwner::DispatchFocusToPlugin(nsIDOMEvent* aFocusEvent)
{
#ifndef XP_WIN // on Windows, events are sent directly to plugins through child windows
nsCOMPtr<nsIPrivateDOMEvent> privateEvent(do_QueryInterface(aFocusEvent));
if (privateEvent) {
nsGUIEvent* focusEvent = nsnull;
privateEvent->GetInternalNSEvent((nsEvent**)&focusEvent);
if (focusEvent) {
nsEventStatus rv = ProcessEvent(*focusEvent);
if (nsEventStatus_eConsumeNoDefault == rv) {
aFocusEvent->PreventDefault();
aFocusEvent->PreventBubble();
return NS_ERROR_FAILURE; // means consume event
}
}
else NS_ASSERTION(PR_FALSE, "nsPluginInstanceOwner::DispatchFocusToPlugin failed, focusEvent null");
}
else NS_ASSERTION(PR_FALSE, "nsPluginInstanceOwner::DispatchFocusToPlugin failed, privateEvent null");
return NS_OK;
#else
return NS_ERROR_FAILURE; // means consume event
#endif
}
/*=============== nsIKeyListener ======================*/
nsresult nsPluginInstanceOwner::KeyDown(nsIDOMEvent* aKeyEvent)
{
return DispatchKeyToPlugin(aKeyEvent);
}
nsresult nsPluginInstanceOwner::KeyUp(nsIDOMEvent* aKeyEvent)
{
return DispatchKeyToPlugin(aKeyEvent);
}
nsresult nsPluginInstanceOwner::KeyPress(nsIDOMEvent* aKeyEvent)
{
if (mInstance) {
// If this event is going to the plugin, we want to kill it.
// Not actually sending keypress to the plugin, since we didn't before.
aKeyEvent->PreventDefault();
aKeyEvent->PreventBubble();
return NS_ERROR_FAILURE; // means consume event
}
return NS_OK;
}
nsresult nsPluginInstanceOwner::DispatchKeyToPlugin(nsIDOMEvent* aKeyEvent)
{
#ifndef XP_WIN // on Windows, events are sent directly to plugins through child windows
if (mInstance) {
nsCOMPtr<nsIPrivateDOMEvent> privateEvent(do_QueryInterface(aKeyEvent));
if (privateEvent) {
nsKeyEvent* keyEvent = nsnull;
privateEvent->GetInternalNSEvent((nsEvent**)&keyEvent);
if (keyEvent) {
nsEventStatus rv = ProcessEvent(*keyEvent);
if (nsEventStatus_eConsumeNoDefault == rv) {
aKeyEvent->PreventDefault();
aKeyEvent->PreventBubble();
return NS_ERROR_FAILURE; // means consume event
}
}
else NS_ASSERTION(PR_FALSE, "nsPluginInstanceOwner::DispatchKeyToPlugin failed, keyEvent null");
}
else NS_ASSERTION(PR_FALSE, "nsPluginInstanceOwner::DispatchKeyToPlugin failed, privateEvent null");
}
return NS_OK;
#else
return NS_ERROR_FAILURE; // means consume event
#endif
}
/*=============== nsIMouseListener ======================*/
nsresult
nsPluginInstanceOwner::MouseDown(nsIDOMEvent* aMouseEvent)
{
#ifndef XP_WIN // on Windows, events are sent directly to plugins through child windows
nsCOMPtr<nsIPrivateDOMEvent> privateEvent(do_QueryInterface(aMouseEvent));
if (privateEvent) {
nsMouseEvent* mouseEvent = nsnull;
privateEvent->GetInternalNSEvent((nsEvent**)&mouseEvent);
if (mouseEvent) {
nsEventStatus rv = ProcessEvent(*mouseEvent);
if (nsEventStatus_eConsumeNoDefault == rv) {
return NS_ERROR_FAILURE; // means consume event
}
}
else NS_ASSERTION(PR_FALSE, "nsPluginInstanceOwner::MouseDown failed, mouseEvent null");
}
else NS_ASSERTION(PR_FALSE, "nsPluginInstanceOwner::MouseDown failed, privateEvent null");
return NS_OK;
#else
return NS_ERROR_FAILURE; // means consume event
#endif
}
nsresult
nsPluginInstanceOwner::MouseUp(nsIDOMEvent* aMouseEvent)
{
return DispatchMouseToPlugin(aMouseEvent);
}
nsresult
nsPluginInstanceOwner::MouseClick(nsIDOMEvent* aMouseEvent)
{
return DispatchMouseToPlugin(aMouseEvent);
}
nsresult
nsPluginInstanceOwner::MouseDblClick(nsIDOMEvent* aMouseEvent)
{
return DispatchMouseToPlugin(aMouseEvent);
}
nsresult
nsPluginInstanceOwner::MouseOver(nsIDOMEvent* aMouseEvent)
{
return DispatchMouseToPlugin(aMouseEvent);
}
nsresult
nsPluginInstanceOwner::MouseOut(nsIDOMEvent* aMouseEvent)
{
return DispatchMouseToPlugin(aMouseEvent);
}
nsresult nsPluginInstanceOwner::DispatchMouseToPlugin(nsIDOMEvent* aMouseEvent)
{
#ifndef XP_WIN // on Windows, events are sent directly to plugins through child windows
nsCOMPtr<nsIPrivateDOMEvent> privateEvent(do_QueryInterface(aMouseEvent));
if (privateEvent) {
nsMouseEvent* mouseEvent = nsnull;
privateEvent->GetInternalNSEvent((nsEvent**)&mouseEvent);
if (mouseEvent) {
nsEventStatus rv = ProcessEvent(*mouseEvent);
if (nsEventStatus_eConsumeNoDefault == rv) {
aMouseEvent->PreventDefault();
aMouseEvent->PreventBubble();
return NS_ERROR_FAILURE; // means consume event
}
}
else NS_ASSERTION(PR_FALSE, "nsPluginInstanceOwner::DispatchMouseToPlugin failed, mouseEvent null");
}
else NS_ASSERTION(PR_FALSE, "nsPluginInstanceOwner::DispatchMouseToPlugin failed, privateEvent null");
return NS_OK;
#else
return NS_ERROR_FAILURE; // means consume event
#endif
}
nsresult
nsPluginInstanceOwner::HandleEvent(nsIDOMEvent* aEvent)
{
return NS_OK;
}
nsEventStatus nsPluginInstanceOwner::ProcessEvent(const nsGUIEvent& anEvent)
{
nsEventStatus rv = nsEventStatus_eIgnore;
if (!mInstance) // if mInstance is null, we shouldn't be here
return rv;
#ifdef XP_MAC
if (mWidget != NULL) { // check for null mWidget
EventRecord* event = (EventRecord*)anEvent.nativeMsg;
if ((event == NULL) || (event->what == nullEvent) ||
(anEvent.message == NS_FOCUS_EVENT_START) ||
(anEvent.message == NS_BLUR_CONTENT) ||
(anEvent.message == NS_MOUSE_MOVE) ||
(anEvent.message == NS_MOUSE_ENTER))
{
EventRecord macEvent;
GUItoMacEvent(anEvent, macEvent);
event = &macEvent;
}
nsPluginPort* port = (nsPluginPort*)mWidget->GetNativeData(NS_NATIVE_PLUGIN_PORT);
nsPluginEvent pluginEvent = { event, nsPluginPlatformWindowRef(port->port) };
PRBool eventHandled = PR_FALSE;
mInstance->HandleEvent(&pluginEvent, &eventHandled);
if (eventHandled && anEvent.message != NS_MOUSE_LEFT_BUTTON_DOWN)
rv = nsEventStatus_eConsumeNoDefault;
}
#endif
//~~~
#ifdef XP_WIN
nsPluginEvent * pPluginEvent = (nsPluginEvent *)anEvent.nativeMsg;
PRBool eventHandled = PR_FALSE;
mInstance->HandleEvent(pPluginEvent, &eventHandled);
if (eventHandled)
rv = nsEventStatus_eConsumeNoDefault;
#endif
return rv;
}
nsresult
nsPluginInstanceOwner::Destroy()
{
nsCOMPtr<nsIContent> content;
mOwner->GetContent(getter_AddRefs(content));
// Unregister focus event listener
if (content) {
nsCOMPtr<nsIDOMEventReceiver> receiver(do_QueryInterface(content));
if (receiver) {
nsCOMPtr<nsIDOMFocusListener> focusListener;
QueryInterface(NS_GET_IID(nsIDOMFocusListener), getter_AddRefs(focusListener));
if (focusListener) {
receiver->RemoveEventListenerByIID(focusListener, NS_GET_IID(nsIDOMFocusListener));
}
else NS_ASSERTION(PR_FALSE, "Unable to remove event listener for plugin");
}
else NS_ASSERTION(PR_FALSE, "plugin was not an event listener");
}
else NS_ASSERTION(PR_FALSE, "plugin had no content");
// Unregister mouse event listener
if (content) {
nsCOMPtr<nsIDOMEventReceiver> receiver(do_QueryInterface(content));
if (receiver) {
nsCOMPtr<nsIDOMMouseListener> mouseListener;
QueryInterface(NS_GET_IID(nsIDOMMouseListener), getter_AddRefs(mouseListener));
if (mouseListener) {
receiver->RemoveEventListenerByIID(mouseListener, NS_GET_IID(nsIDOMMouseListener));
}
else NS_ASSERTION(PR_FALSE, "Unable to remove event listener for plugin");
}
else NS_ASSERTION(PR_FALSE, "plugin was not an event listener");
}
else NS_ASSERTION(PR_FALSE, "plugin had no content");
// Unregister key event listener;
if (content) {
nsCOMPtr<nsIDOMEventReceiver> receiver(do_QueryInterface(content));
if (receiver) {
nsCOMPtr<nsIDOMKeyListener> keyListener;
QueryInterface(NS_GET_IID(nsIDOMKeyListener), getter_AddRefs(keyListener));
if (keyListener) {
receiver->RemoveEventListener(NS_LITERAL_STRING("keypress"), keyListener, PR_TRUE);
receiver->RemoveEventListener(NS_LITERAL_STRING("keydown"), keyListener, PR_TRUE);
receiver->RemoveEventListener(NS_LITERAL_STRING("keyup"), keyListener, PR_TRUE);
}
else NS_ASSERTION(PR_FALSE, "Unable to remove event listener for plugin");
}
else NS_ASSERTION(PR_FALSE, "plugin was not an event listener");
}
else NS_ASSERTION(PR_FALSE, "plugin had no content");
return NS_OK;
}
// Paints are handled differently, so we just simulate an update event.
void nsPluginInstanceOwner::Paint(const nsRect& aDirtyRect, PRUint32 ndc)
{
#ifdef XP_MAC
if (mInstance != NULL) {
nsPluginPort* pluginPort = GetPluginPort();
#ifdef DO_DIRTY_INTERSECT // aDirtyRect isn't always correct, see bug 56128
nsPoint rel(aDirtyRect.x, aDirtyRect.y);
nsPoint abs(0,0);
nsCOMPtr<nsIWidget> containerWidget;
// Convert dirty rect relative coordinates to absolute and also get the containerWidget
ConvertRelativeToWindowAbsolute(mOwner, mContext, rel, abs, *getter_AddRefs(containerWidget));
nsRect absDirtyRect = nsRect(abs.x, abs.y, aDirtyRect.width, aDirtyRect.height);
// Convert to absolute pixel values for the dirty rect
nsRect absDirtyRectInPixels;
ConvertTwipsToPixels(*mContext, absDirtyRect, absDirtyRectInPixels);
#endif
// Add in child windows absolute position to get make the dirty rect
// relative to the top-level window.
nscoord absWidgetX = 0;
nscoord absWidgetY = 0;
nsRect widgetClip(0,0,0,0);
GetWidgetPosAndClip(mWidget,absWidgetX,absWidgetY,widgetClip);
#ifdef DO_DIRTY_INTERSECT // skip intersection for now because possible bad aDirtyRect
absDirtyRectInPixels.x += absWidgetX;
absDirtyRectInPixels.y += absWidgetY;
widgetClip.IntersectRect(widgetClip, absDirtyRectInPixels);
#endif
// set the port
mPluginWindow.x = absWidgetX;
mPluginWindow.y = absWidgetY;
// fix up the clipping region
mPluginWindow.clipRect.top = widgetClip.y;
mPluginWindow.clipRect.left = widgetClip.x;
mPluginWindow.clipRect.bottom = mPluginWindow.clipRect.top + widgetClip.height;
mPluginWindow.clipRect.right = mPluginWindow.clipRect.left + widgetClip.width;
EventRecord updateEvent;
::OSEventAvail(0, &updateEvent);
updateEvent.what = updateEvt;
updateEvent.message = UInt32(pluginPort->port);
nsPluginEvent pluginEvent = { &updateEvent, nsPluginPlatformWindowRef(pluginPort->port) };
PRBool eventHandled = PR_FALSE;
mInstance->HandleEvent(&pluginEvent, &eventHandled);
}
#endif
//~~~
#ifdef XP_WIN
nsPluginEvent pluginEvent;
pluginEvent.event = 0x000F; //!!! This is bad, but is it better to include <windows.h> for WM_PAINT only?
pluginEvent.wParam = (uint32)ndc;
pluginEvent.lParam = nsnull;
PRBool eventHandled = PR_FALSE;
mInstance->HandleEvent(&pluginEvent, &eventHandled);
#endif
}
// Here's how we give idle time to plugins.
NS_IMETHODIMP_(void) nsPluginInstanceOwner::Notify(nsITimer* /* timer */)
{
#ifdef XP_MAC
// validate the plugin clipping information by syncing the plugin window info to
// reflect the current widget location. This makes sure that everything is updated
// correctly in the event of scrolling in the window.
FixUpPluginWindow();
if (mInstance != NULL) {
EventRecord idleEvent;
::OSEventAvail(0, &idleEvent);
idleEvent.what = nullEvent;
nsPluginPort* pluginPort = GetPluginPort();
nsPluginEvent pluginEvent = { &idleEvent, nsPluginPlatformWindowRef(pluginPort->port) };
PRBool eventHandled = PR_FALSE;
mInstance->HandleEvent(&pluginEvent, &eventHandled);
}
#endif
#ifndef REPEATING_TIMERS
// reprime the timer? currently have to create a new timer for each call, which is
// kind of wasteful. need to get periodic timers working on all platforms.
nsresult rv;
mPluginTimer = do_CreateInstance("@mozilla.org/timer;1", &rv);
if (NS_SUCCEEDED(rv))
mPluginTimer->Init(this, 1000 / 60);
#endif
}
void nsPluginInstanceOwner::CancelTimer()
{
if (mPluginTimer) {
mPluginTimer->Cancel();
}
}
NS_IMETHODIMP nsPluginInstanceOwner::Init(nsIPresContext* aPresContext, nsObjectFrame *aFrame)
{
//do not addref to avoid circular refs. MMP
mContext = aPresContext;
mOwner = aFrame;
nsCOMPtr<nsIContent> content;
mOwner->GetContent(getter_AddRefs(content));
// Register focus listener
if (content) {
nsCOMPtr<nsIDOMEventReceiver> receiver(do_QueryInterface(content));
if (receiver) {
nsCOMPtr<nsIDOMFocusListener> focusListener;
QueryInterface(NS_GET_IID(nsIDOMFocusListener), getter_AddRefs(focusListener));
if (focusListener) {
receiver->AddEventListenerByIID(focusListener, NS_GET_IID(nsIDOMFocusListener));
}
}
}
// Register mouse listener
if (content) {
nsCOMPtr<nsIDOMEventReceiver> receiver(do_QueryInterface(content));
if (receiver) {
nsCOMPtr<nsIDOMMouseListener> mouseListener;
QueryInterface(NS_GET_IID(nsIDOMMouseListener), getter_AddRefs(mouseListener));
if (mouseListener) {
receiver->AddEventListenerByIID(mouseListener, NS_GET_IID(nsIDOMMouseListener));
}
}
}
// Register key listener
if (content) {
nsCOMPtr<nsIDOMEventReceiver> receiver(do_QueryInterface(content));
if (receiver) {
nsCOMPtr<nsIDOMKeyListener> keyListener;
QueryInterface(NS_GET_IID(nsIDOMKeyListener), getter_AddRefs(keyListener));
if (keyListener) {
receiver->AddEventListener(NS_LITERAL_STRING("keypress"), keyListener, PR_TRUE);
receiver->AddEventListener(NS_LITERAL_STRING("keydown"), keyListener, PR_TRUE);
receiver->AddEventListener(NS_LITERAL_STRING("keyup"), keyListener, PR_TRUE);
return NS_OK;
}
}
}
NS_ASSERTION(PR_FALSE, "plugin could not be added as a mouse listener");
return NS_ERROR_NO_INTERFACE;
}
nsPluginPort* nsPluginInstanceOwner::GetPluginPort()
{
//!!! Port must be released for windowless plugins on Windows, because it is HDC !!!
nsPluginPort* result = NULL;
if (mWidget != NULL)
{//~~~
#ifdef XP_WIN
if(mPluginWindow.type == nsPluginWindowType_Drawable)
result = (nsPluginPort*) mWidget->GetNativeData(NS_NATIVE_GRAPHIC);
else
#endif
result = (nsPluginPort*) mWidget->GetNativeData(NS_NATIVE_PLUGIN_PORT);
}
return result;
}
//~~~
void nsPluginInstanceOwner::ReleasePluginPort(nsPluginPort * pluginPort)
{
#ifdef XP_WIN
if (mWidget != NULL)
{
if(mPluginWindow.type == nsPluginWindowType_Drawable)
mWidget->FreeNativeData((HDC)pluginPort, NS_NATIVE_GRAPHIC);
}
#endif
}
NS_IMETHODIMP nsPluginInstanceOwner::CreateWidget(void)
{
nsIView *view;
nsresult rv = NS_ERROR_FAILURE;
float p2t;
if (nsnull != mOwner)
{
// Create view if necessary
mOwner->GetView(mContext, &view);
if (nsnull == view)
{
PRBool windowless;
mInstance->GetValue(nsPluginInstanceVariable_WindowlessBool, (void *)&windowless);
// always create widgets in Twips, not pixels
mContext->GetScaledPixelsToTwips(&p2t);
rv = mOwner->CreateWidget(mContext,
NSIntPixelsToTwips(mPluginWindow.width, p2t),
NSIntPixelsToTwips(mPluginWindow.height, p2t),
windowless);
if (NS_OK == rv)
{
mOwner->GetView(mContext, &view);
if (view)
view->GetWidget(mWidget);
if (PR_TRUE == windowless)
{
mPluginWindow.type = nsPluginWindowType_Drawable;
mPluginWindow.window = nsnull; //~~~ this needs to be a HDC according to the spec,
// but I do not see the right way to release it
// so let's postpone passing HDC till paint event
// when it is really needed. Change spec?
}
else if (mWidget)
{
mWidget->Resize(mPluginWindow.width, mPluginWindow.height, PR_FALSE);
mPluginWindow.window = GetPluginPort();
mPluginWindow.type = nsPluginWindowType_Window;
#if defined(XP_MAC)
// start a periodic timer to provide null events to the plugin instance.
mPluginTimer = do_CreateInstance("@mozilla.org/timer;1", &rv);
if (rv == NS_OK)
rv = mPluginTimer->Init(this, 1000 / 60, NS_PRIORITY_NORMAL, NS_TYPE_REPEATING_SLACK);
#endif
}
}
}
}
return rv;
}
void nsPluginInstanceOwner::SetPluginHost(nsIPluginHost* aHost)
{
if(mPluginHost != nsnull)
NS_RELEASE(mPluginHost);
mPluginHost = aHost;
NS_IF_ADDREF(mPluginHost);
}
// Mac specific code to fix up the port location and clipping region
#ifdef XP_MAC
// calculate the absolute position and clip for a widget
// and use other windows in calculating the clip
static void GetWidgetPosAndClip(nsIWidget* aWidget,nscoord& aAbsX, nscoord& aAbsY,
nsRect& aClipRect)
{
aWidget->GetBounds(aClipRect);
aAbsX = aClipRect.x;
aAbsY = aClipRect.y;
nscoord ancestorX = -aClipRect.x, ancestorY = -aClipRect.y;
// Calculate clipping relative to the widget passed in
aClipRect.x = 0;
aClipRect.y = 0;
// Gather up the absolute position of the widget
// + clip window
nsCOMPtr<nsIWidget> widget = getter_AddRefs(aWidget->GetParent());
while (widget != nsnull) {
nsRect wrect;
widget->GetClientBounds(wrect);
nscoord wx, wy;
wx = wrect.x;
wy = wrect.y;
wrect.x = ancestorX;
wrect.y = ancestorY;
aClipRect.IntersectRect(aClipRect, wrect);
aAbsX += wx;
aAbsY += wy;
widget = getter_AddRefs(widget->GetParent());
if (widget == nsnull) {
// Don't include the top-level windows offset
// printf("Top level window offset %d %d\n", wx, wy);
aAbsX -= wx;
aAbsY -= wy;
}
ancestorX -=wx;
ancestorY -=wy;
}
aClipRect.x += aAbsX;
aClipRect.y += aAbsY;
//printf("--------------\n");
//printf("Widget clip X %d Y %d rect %d %d %d %d\n", aAbsX, aAbsY, aClipRect.x, aClipRect.y, aClipRect.width, aClipRect.height );
//printf("--------------\n");
}
#ifdef DO_DIRTY_INTERSECT
// Convert from a frame relative coordinate to a coordinate relative to its
// containing window
static void ConvertRelativeToWindowAbsolute(nsIFrame* aFrame, nsIPresContext* aPresContext, nsPoint& aRel, nsPoint& aAbs, nsIWidget *&
aContainerWidget)
{
aAbs.x = 0;
aAbs.y = 0;
nsIView *view = nsnull;
// See if this frame has a view
aFrame->GetView(aPresContext, &view);
if (nsnull == view) {
// Calculate frames offset from its nearest view
aFrame->GetOffsetFromView(aPresContext,
aAbs,
&view);
} else {
// Store frames offset from its view.
nsRect rect;
aFrame->GetRect(rect);
aAbs.x = rect.x;
aAbs.y = rect.y;
}
if (view != nsnull) {
// Caclulate the views offset from its nearest widget
nscoord viewx = 0;
nscoord viewy = 0;
view->GetWidget(aContainerWidget);
if (nsnull == aContainerWidget) {
view->GetOffsetFromWidget(&viewx, &viewy, aContainerWidget/**getter_AddRefs(widget)*/);
aAbs.x += viewx;
aAbs.y += viewy;
// GetOffsetFromWidget does not include the views offset, so we need to add
// that in.
nsRect bounds;
view->GetBounds(bounds);
aAbs.x += bounds.x;
aAbs.y += bounds.y;
}
nsRect widgetBounds;
aContainerWidget->GetBounds(widgetBounds);
} else {
NS_ASSERTION(PR_FALSE, "the object frame does not have a view");
}
// Add relative coordinate to the absolute coordinate that has been calculated
aAbs += aRel;
}
// Convert from a frame relative coordinate to a coordinate relative to its
// containing window
static void ConvertTwipsToPixels(nsIPresContext& aPresContext, nsRect& aTwipsRect, nsRect& aPixelRect)
{
float t2p;
aPresContext.GetTwipsToPixels(&t2p);
aPixelRect.x = NSTwipsToIntPixels(aTwipsRect.x, t2p);
aPixelRect.y = NSTwipsToIntPixels(aTwipsRect.y, t2p);
aPixelRect.width = NSTwipsToIntPixels(aTwipsRect.width, t2p);
aPixelRect.height = NSTwipsToIntPixels(aTwipsRect.height, t2p);
}
#endif // DO_DIRTY_INTERSECT
void nsPluginInstanceOwner::FixUpPluginWindow()
{
if (mWidget) {
nscoord absWidgetX = 0;
nscoord absWidgetY = 0;
nsRect widgetClip(0,0,0,0);
GetWidgetPosAndClip(mWidget,absWidgetX,absWidgetY,widgetClip);
// set the port coordinates
mPluginWindow.x = absWidgetX;
mPluginWindow.y = absWidgetY;
// fix up the clipping region
mPluginWindow.clipRect.top = widgetClip.y;
mPluginWindow.clipRect.left = widgetClip.x;
mPluginWindow.clipRect.bottom = mPluginWindow.clipRect.top + widgetClip.height;
mPluginWindow.clipRect.right = mPluginWindow.clipRect.left + widgetClip.width;
}
}
#endif // XP_MAC
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