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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 -*- */
// 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 <pp@ludusdesign.com>
* Jacek Piskozub <piskozub@iopan.gda.pl>
* Leon Sha <leon.sha@sun.com>
* Roland Mainz <roland.mainz@informatik.med.uni-giessen.de>
* Robert O'Callahan <roc+moz@cs.cmu.edu>
* Christian Biesinger <cbiesinger@web.de>
* Josh Aas <josh@mozilla.com>
*
* 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 "nsIAppShell.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 "nsIDOMEventTarget.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"
#include "nsThreadUtils.h"
#include "gfxContext.h"
// 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 <errno.h>
#include "nsContentCID.h"
static NS_DEFINE_CID(kRangeCID, NS_RANGE_CID);
#ifdef MOZ_X11
#include <X11/Xlib.h>
/* X headers suck */
enum { XKeyPress = KeyPress };
#ifdef KeyPress
#undef KeyPress
#endif
#include "gfxXlibNativeRenderer.h"
#ifdef MOZ_WIDGET_GTK2
#include <gdk/gdkwindow.h>
#include <gdk/gdkx.h>
#endif
#endif
#ifdef XP_WIN
#include <wtypes.h>
#include <winuser.h>
#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);
NS_IMETHOD Drag(nsIDOMEvent* aMouseEvent);
NS_IMETHOD DragEnd(nsIDOMEvent* aMouseEvent);
nsresult Destroy();
void PrepareToStop(PRBool aDelayedStop);
//nsIEventListener interface
nsEventStatus ProcessEvent(const nsGUIEvent & anEvent);
#ifdef XP_WIN
void Paint(const nsRect& aDirtyRect, HDC ndc);
#elif defined(XP_MACOSX)
void Paint(const nsRect& aDirtyRect);
#elif defined(MOZ_X11)
void Paint(nsIRenderingContext& aRenderingContext,
const nsRect& aDirtyRect);
#endif
// 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
NPDrawingModel GetDrawingModel();
WindowRef FixUpPluginWindow(PRInt32 inPaintState);
void GUItoMacEvent(const nsGUIEvent& anEvent, EventRecord* origEvent, EventRecord& aMacEvent);
#endif
void SetOwner(nsObjectFrame *aOwner)
{
mOwner = aOwner;
}
private:
void FixUpURLS(const nsString &name, nsAString &value);
nsPluginNativeWindow *mPluginWindow;
nsCOMPtr<nsIPluginInstance> mInstance;
nsObjectFrame *mOwner;
nsCOMPtr<nsIContent> mContent;
nsCString mDocumentBase;
char *mTagText;
nsCOMPtr<nsIWidget> mWidget;
nsCOMPtr<nsITimer> mPluginTimer;
nsCOMPtr<nsIPluginHost> mPluginHost;
PRPackedBool mContentFocused;
PRPackedBool mWidgetVisible; // used on Mac to store our widget's visible state
// If true, destroy the widget on destruction. Used when plugin stop
// is being delayed to a safer point in time.
PRPackedBool mDestroyWidget;
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();
#ifdef MOZ_X11
class Renderer : public gfxXlibNativeRenderer {
public:
Renderer(nsPluginWindow* aWindow, nsIPluginInstance* aInstance,
const nsIntRect& aDirtyRect)
: mWindow(aWindow), mInstance(aInstance), mDirtyRect(aDirtyRect)
{}
virtual nsresult NativeDraw(Display* dpy, Drawable drawable, Visual* visual,
short offsetX, short offsetY,
XRectangle* clipRects, PRUint32 numClipRects);
private:
nsPluginWindow* mWindow;
nsIPluginInstance* mInstance;
const nsIntRect& mDirtyRect;
};
#endif
};
#if defined(XP_WIN) || (defined(DO_DIRTY_INTERSECT) && defined(XP_MACOSX)) || defined(MOZ_X11)
static void ConvertAppUnitsToPixels(const nsPresContext& aPresContext, const nsRect& aTwipsRect, nsIntRect& 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_PRECONDITION(aInstancePtr, "null out param");
if (aIID.Equals(NS_GET_IID(nsIObjectFrame))) {
*aInstancePtr = static_cast<nsIObjectFrame*>(this);
return NS_OK;
}
return nsObjectFrameSuper::QueryInterface(aIID, aInstancePtr);
}
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<nsIAccessibilityService> 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)
{
mInstantiating = PR_FALSE;
return nsObjectFrameSuper::Init(aContent, aParent, aPrevInFlow);
}
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.
StopPluginInternal(PR_TRUE);
nsObjectFrameSuper::Destroy();
}
NS_IMETHODIMP
nsObjectFrame::DidSetStyleContext()
{
if (HasView()) {
nsIView* view = GetView();
nsIViewManager* vm = view->GetViewManager();
if (vm) {
nsViewVisibility visibility =
IsHidden() ? nsViewVisibility_kHide : nsViewVisibility_kShow;
vm->SetViewVisibility(view, visibility);
}
}
return nsObjectFrameSuper::DidSetStyleContext();
}
nsIAtom*
nsObjectFrame::GetType() const
{
return nsGkAtoms::objectFrame;
}
#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);
//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;
}
}
}
if (!IsHidden()) {
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.ComputedHeight();
// 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_GTK2)
// 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);
aMetrics.mOverflowArea = nsRect(0, 0,
aMetrics.width, aMetrics.height);
// 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)
{
// If you add early return(s), be sure to balance this call to
// appShell->SuspendNative() with additional call(s) to
// appShell->ReturnNative().
static NS_DEFINE_CID(kAppShellCID, NS_APPSHELL_CID);
nsCOMPtr<nsIAppShell> appShell = do_GetService(kAppShellCID);
if (appShell) {
appShell->SuspendNative();
}
NS_PRECONDITION(!mInstantiating, "How did that happen?");
mInstantiating = PR_TRUE;
NS_ASSERTION(mContent, "We should have a content node.");
nsIDocument* doc = mContent->GetOwnerDoc();
nsCOMPtr<nsIPluginDocument> pDoc (do_QueryInterface(doc));
nsresult rv;
if (pDoc) { /* full-page mode */
nsCOMPtr<nsIStreamListener> 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);
}
mInstantiating = PR_FALSE;
if (appShell) {
appShell->ResumeNative();
}
return rv;
}
void
nsObjectFrame::FixupWindow(const nsSize& aSize)
{
nsPresContext* presContext = PresContext();
if (!mInstanceOwner)
return;
nsPluginWindow *window;
mInstanceOwner->GetWindow(window);
NS_ENSURE_TRUE(window, /**/);
#ifdef XP_MACOSX
mInstanceOwner->FixUpPluginWindow(ePluginPaintDisable);
#endif
PRBool windowless = (window->type == nsPluginWindowType_Drawable);
nsPoint origin = GetWindowOriginInPixels(windowless);
window->x = origin.x;
window->y = 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
}
void
nsObjectFrame::CallSetWindow()
{
nsPluginWindow *win = nsnull;
nsresult rv;
nsCOMPtr<nsIPluginInstance> pi;
if (!mInstanceOwner ||
NS_FAILED(rv = mInstanceOwner->GetInstance(*getter_AddRefs(pi))) ||
!pi ||
NS_FAILED(rv = mInstanceOwner->GetWindow(win)) ||
!win)
return;
nsPluginNativeWindow *window = (nsPluginNativeWindow *)win;
#ifdef XP_MACOSX
mInstanceOwner->FixUpPluginWindow(ePluginPaintDisable);
#endif
if (IsHidden())
return;
PRBool windowless = (window->type == nsPluginWindowType_Drawable);
nsPoint origin = GetWindowOriginInPixels(windowless);
window->x = origin.x;
window->y = origin.y;
// refresh the plugin port as well
#ifdef MOZ_X11
if(windowless) {
// There is no plugin port window but there are some extra fields to
// fill in.
nsIWidget* widget = GetWindow();
if (widget) {
NPSetWindowCallbackStruct* ws_info =
static_cast<NPSetWindowCallbackStruct*>(window->ws_info);
ws_info->display =
static_cast<Display*>(widget->GetNativeData(NS_NATIVE_DISPLAY));
#ifdef MOZ_WIDGET_GTK2
GdkWindow* gdkWindow =
static_cast<GdkWindow*>(widget->GetNativeData(NS_NATIVE_WINDOW));
GdkColormap* gdkColormap = gdk_drawable_get_colormap(gdkWindow);
ws_info->colormap = gdk_x11_colormap_get_xcolormap(gdkColormap);
GdkVisual* gdkVisual = gdk_colormap_get_visual(gdkColormap);
ws_info->visual = gdk_x11_visual_get_xvisual(gdkVisual);
ws_info->depth = gdkVisual->depth;
#endif
}
}
else
#endif
{
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);
}
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 <embed> 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 <embed> 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) {
// XXX Should this be replaced by nsIView::GetNearestWidget?
// The implementation below doesn't handle cases where the widget's origin
// doesn't coincide with its view's origin.
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 = PresContext()->AppUnitsToDevPixels(origin.x);
origin.y = PresContext()->AppUnitsToDevPixels(origin.y);
return origin;
}
NS_IMETHODIMP
nsObjectFrame::DidReflow(nsPresContext* aPresContext,
const nsHTMLReflowState* aReflowState,
nsDidReflowStatus aStatus)
{
// Do this check before calling the superclass, as that clears
// NS_FRAME_FIRST_REFLOW
if (aStatus == NS_FRAME_REFLOW_FINISHED &&
(GetStateBits() & NS_FRAME_FIRST_REFLOW)) {
nsCOMPtr<nsIObjectLoadingContent> objContent(do_QueryInterface(mContent));
NS_ASSERTION(objContent, "Why not an object loading content?");
objContent->HasNewFrame(this);
}
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;
if (HasView()) {
nsIView* view = GetView();
nsIViewManager* vm = view->GetViewManager();
if (vm)
vm->SetViewVisibility(view, IsHidden() ? nsViewVisibility_kHide : nsViewVisibility_kShow);
}
// WMP10 needs an additional SetWindow call here (bug 391261)
CallSetWindow();
return rv;
}
static void PaintPrintPlugin(nsIFrame* aFrame, nsIRenderingContext* aCtx,
const nsRect& aDirtyRect, nsPoint aPt)
{
nsIRenderingContext::AutoPushTranslation translate(aCtx, aPt.x, aPt.y);
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);
#ifdef MOZ_X11 // FIXME - Bug 385435: Don't others want this too!
nsRect relativeDirtyRect = aDirtyRect - aPt;
static_cast<nsObjectFrame*>(aFrame)->PaintPlugin(*aCtx, relativeDirtyRect);
#else
static_cast<nsObjectFrame*>(aFrame)->PaintPlugin(*aCtx, aDirtyRect);
#endif
}
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 = PresContext()->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->GetPrimaryShell();
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 = PresContext();
// 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<nsIPluginInstance> 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);
if (!dc)
return; // no dc implemented so quit
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(MOZ_X11)
if (mInstanceOwner)
{
nsPluginWindow * window;
mInstanceOwner->GetWindow(window);
if (window->type == nsPluginWindowType_Drawable)
mInstanceOwner->Paint(aRenderingContext, 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<nsIPluginInstance> 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 (reinterpret_cast<HDC>(window->window) != hdc) {
window->window = 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
*/
nsRefPtr<gfxContext> ctx = aRenderingContext.ThebesContext();
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<gfxASurface> surf = ctx->CurrentSurface(&xoff, &yoff);
POINT origViewportOrigin;
GetViewportOrgEx(hdc, &origViewportOrigin);
SetViewportOrgEx(hdc, origViewportOrigin.x + (int) xoff, origViewportOrigin.y + (int) yoff, NULL);
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));
// XXX I don't think we can be certain that the location wrt to
// the window only changes when the location wrt to the drawable
// changes, but the hdc probably changes on every paint so
// doupdatewindow is rarely false, and there is not likely to be
// a problem.
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);
}
// FIXME - Bug 385435:
// 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, hdc);
RestoreDC(hdc, -1);
surf->MarkDirty();
}
}
#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.
StopPluginInternal(PR_FALSE);
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(PresContext(), this, GetContent());
return NS_OK;
}
nsresult
nsObjectFrame::Instantiate(nsIChannel* aChannel, nsIStreamListener** aStreamListener)
{
if (mInstantiating) {
return NS_OK;
}
nsresult rv = PrepareInstanceOwner();
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsIPluginHost> 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());
NS_ASSERTION(!mInstantiating, "Say what?");
mInstantiating = PR_TRUE;
rv = pluginHost->InstantiatePluginForChannel(aChannel, mInstanceOwner, aStreamListener);
mInstantiating = PR_FALSE;
return rv;
}
nsresult
nsObjectFrame::Instantiate(const char* aMimeType, nsIURI* aURI)
{
if (mInstantiating) {
return NS_OK;
}
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<nsIPluginHost> 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)) {
TryNotifyContentObjectWrapper();
CallSetWindow();
}
return rv;
}
void
nsObjectFrame::TryNotifyContentObjectWrapper()
{
nsCOMPtr<nsIPluginInstance> 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();
}
}
class nsStopPluginRunnable : public nsRunnable
{
public:
nsStopPluginRunnable(nsPluginInstanceOwner *aInstanceOwner)
: mInstanceOwner(aInstanceOwner)
{
}
NS_IMETHOD Run();
private:
nsRefPtr<nsPluginInstanceOwner> mInstanceOwner;
};
static void
DoStopPlugin(nsPluginInstanceOwner *aInstanceOwner)
{
nsCOMPtr<nsIPluginInstance> inst;
aInstanceOwner->GetInstance(*getter_AddRefs(inst));
if (inst) {
nsPluginWindow *win;
aInstanceOwner->GetWindow(win);
nsPluginNativeWindow *window = (nsPluginNativeWindow *)win;
nsCOMPtr<nsIPluginInstance> 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<nsIPluginHost> 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);
}
aInstanceOwner->Destroy();
}
NS_IMETHODIMP
nsStopPluginRunnable::Run()
{
DoStopPlugin(mInstanceOwner);
return NS_OK;
}
void
nsObjectFrame::StopPlugin()
{
StopPluginInternal(PR_FALSE);
}
void
nsObjectFrame::StopPluginInternal(PRBool aDelayedStop)
{
if (mInstanceOwner == nsnull) {
return;
}
mInstanceOwner->PrepareToStop(aDelayedStop);
#ifdef XP_WIN
// We only deal with delayed stopping of plugins on Win32 for now,
// as that's the only platform where we need to (AFAIK) and it's
// unclear how safe widget parenting is on other platforms.
if (aDelayedStop) {
// nsStopPluginRunnable will hold a strong reference to
// mInstanceOwner, and thus keep it alive as long as it needs it.
nsCOMPtr<nsIRunnable> evt = new nsStopPluginRunnable(mInstanceOwner);
NS_DispatchToCurrentThread(evt);
// If we're asked to do a delayed stop it means we're stopping the
// plugin because we're destroying the frame. In that case, tell
// the view to disown the widget (i.e. leave it up to us to
// destroy it).
nsIView *view = GetView();
if (view) {
view->DisownWidget();
}
} else
#endif
{
DoStopPlugin(mInstanceOwner);
}
// Break relationship between frame and plugin instance owner
mInstanceOwner->SetOwner(nsnull);
NS_RELEASE(mInstanceOwner);
// Make sure that our windowless rect has been zeroed out, so if we
// get reinstantiated we'll send the right messages to the plug-in.
mWindowlessRect.Empty();
}
void
nsObjectFrame::NotifyContentObjectWrapper()
{
nsCOMPtr<nsIDocument> 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<nsIXPConnectWrappedNative> 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<nsIClassInfo> ci(do_QueryInterface(mContent));
if (!ci)
return;
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;
}
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<nsIPluginInstance> 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<nsIDOMEventTarget> 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<nsIDOMEventTarget> 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<nsIPluginHost> ph = do_GetService(kCPluginManagerCID);
nsCOMPtr<nsPIPluginHost> 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;
mDestroyWidget = PR_FALSE;
}
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;
}
// clean up plugin native window object
nsCOMPtr<nsIPluginHost> ph = do_GetService(kCPluginManagerCID);
nsCOMPtr<nsPIPluginHost> 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<nsIDocument> doc;
nsresult rv = GetDocument(getter_AddRefs(doc));
nsCOMPtr<nsIPluginDocument> 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);
if (mContent->IsEditable()) {
return NS_OK;
}
// the container of the pres context will give us the link handler
nsCOMPtr<nsISupports> container = mOwner->PresContext()->GetContainer();
NS_ENSURE_TRUE(container,NS_ERROR_FAILURE);
nsCOMPtr<nsILinkHandler> lh = do_QueryInterface(container);
NS_ENSURE_TRUE(lh, NS_ERROR_FAILURE);
nsAutoString unitarget;
unitarget.AssignASCII(aTarget); // XXX could this be nonascii?
nsCOMPtr<nsIURI> baseURI = mContent->GetBaseURI();
// Create an absolute URL
nsCOMPtr<nsIURI> uri;
nsresult rv = NS_NewURI(getter_AddRefs(uri), aURL, baseURI);
NS_ENSURE_SUCCESS(rv, NS_ERROR_FAILURE);
nsCOMPtr<nsIInputStream> postDataStream;
nsCOMPtr<nsIInputStream> 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<nsISupports> cont = mOwner->PresContext()->GetContainer();
if (!cont) {
return NS_OK;
}
nsCOMPtr<nsIDocShellTreeItem> docShellItem(do_QueryInterface(cont, &rv));
if (NS_FAILED(rv) || !docShellItem) {
return rv;
}
nsCOMPtr<nsIDocShellTreeOwner> treeOwner;
rv = docShellItem->GetTreeOwner(getter_AddRefs(treeOwner));
if (NS_FAILED(rv) || !treeOwner) {
return rv;
}
nsCOMPtr<nsIWebBrowserChrome> 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 && mWidgetVisible) {
//no reference count on view
nsIView* view = mOwner->GetView();
if (view) {
nsPresContext* presContext = mOwner->PresContext();
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) {
#if defined(XP_WIN) || defined(XP_OS2)
void** pvalue = (void**)value;
nsIViewManager* vm = mOwner->PresContext()->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) {
// 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<nsIWidget> 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");
#elif defined(MOZ_WIDGET_GTK2)
// X11 window managers want the toplevel window for WM_TRANSIENT_FOR.
nsIWidget* win = mOwner->GetWindow();
if (!win)
return rv;
GdkWindow* gdkWindow =
static_cast<GdkWindow*>(win->GetNativeData(NS_NATIVE_WINDOW));
if (!gdkWindow)
return rv;
gdkWindow = gdk_window_get_toplevel(gdkWindow);
*static_cast<Window*>(value) = GDK_WINDOW_XID(gdkWindow);
return NS_OK;
#endif
} 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<nsIDOMNode> node(do_QueryInterface(mContent, &rv));
if (NS_FAILED(rv))
return rv;
nsCOMPtr<nsIDocument> document;
rv = GetDocument(getter_AddRefs(document));
if (NS_FAILED(rv))
return rv;
nsCOMPtr<nsIDOMDocument> domDoc = do_QueryInterface(document);
NS_ASSERTION(domDoc, "Need a document");
nsCOMPtr<nsIDocumentEncoder> 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<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 = 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<nsDepCharHashKey, const char *> * 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<nsIDocument> 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<nsDepCharHashKey, const char*>();
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 = 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<nsIDOMElement> ourParams;
// use the DOM to get us ALL our dependent PARAM tags, even if not
// ours
nsCOMPtr<nsIDOMElement> mydomElement = do_QueryInterface(mContent);
NS_ENSURE_TRUE(mydomElement, NS_ERROR_NO_INTERFACE);
nsCOMPtr<nsIDOMNodeList> allParams;
nsINodeInfo *ni = mContent->NodeInfo();
// Making DOM method calls can cause our frame to go away, which
// might kill us...
nsCOMPtr<nsIPluginInstanceOwner> 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<nsIDOMNode> pnode;
allParams->Item(i, getter_AddRefs(pnode));
nsCOMPtr<nsIDOMElement> 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<nsIDOMNode> parent;
nsCOMPtr<nsIDOMHTMLObjectElement> domobject;
nsCOMPtr<nsIDOMHTMLAppletElement> 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<nsIDOMNode> 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<nsIDOMNode> 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 = 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();
}
NPDrawingModel nsPluginInstanceOwner::GetDrawingModel()
{
#ifndef NP_NO_QUICKDRAW
NPDrawingModel drawingModel = NPDrawingModelQuickDraw;
#else
NPDrawingModel drawingModel = NPDrawingModelCoreGraphics;
#endif
if (!mInstance)
return drawingModel;
mInstance->GetValue(nsPluginInstanceVariable_DrawingModel,
(void *)&drawingModel);
return drawingModel;
}
void nsPluginInstanceOwner::GUItoMacEvent(const nsGUIEvent& anEvent, EventRecord* origEvent, EventRecord& aMacEvent)
{
nsPresContext* presContext = mOwner ? mOwner->PresContext() : 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<nsIPluginWidget> pluginWidget = do_QueryInterface(mWidget);
if (pluginWidget && NS_SUCCEEDED(pluginWidget->StartDrawPlugin())) {
EventRecord scrollEvent;
InitializeEventRecord(&scrollEvent);
scrollEvent.what = nsPluginEventType_ScrollingBeginsEvent;
WindowRef window = FixUpPluginWindow(ePluginPaintDisable);
if (window) {
nsPluginEvent pluginEvent = { &scrollEvent, nsPluginPlatformWindowRef(window) };
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<nsIPluginWidget> pluginWidget = do_QueryInterface(mWidget);
if (pluginWidget && NS_SUCCEEDED(pluginWidget->StartDrawPlugin())) {
EventRecord scrollEvent;
InitializeEventRecord(&scrollEvent);
scrollEvent.what = nsPluginEventType_ScrollingEndsEvent;
WindowRef window = FixUpPluginWindow(ePluginPaintEnable);
if (window) {
nsPluginEvent pluginEvent = { &scrollEvent, nsPluginPlatformWindowRef(window) };
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<nsIPrivateDOMEvent> 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;
}
nsresult nsPluginInstanceOwner::Drag(nsIDOMEvent* aMouseEvent)
{
if (mInstance) {
// Let the plugin handle drag events.
aMouseEvent->PreventDefault();
aMouseEvent->StopPropagation();
}
return NS_OK;
}
nsresult nsPluginInstanceOwner::DragEnd(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<nsIPrivateDOMEvent> 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<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->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<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 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->PresContext());
}
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 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<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->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;
}
#ifdef MOZ_X11
static unsigned int XInputEventState(const nsInputEvent& anEvent)
{
unsigned int state = 0;
if(anEvent.isShift) state |= ShiftMask;
if(anEvent.isControl) state |= ControlMask;
if(anEvent.isAlt) state |= Mod1Mask;
if(anEvent.isMeta) state |= Mod4Mask;
return state;
}
#endif
nsEventStatus nsPluginInstanceOwner::ProcessEvent(const nsGUIEvent& anEvent)
{
// printf("nsGUIEvent.message: %d\n", anEvent.message);
nsEventStatus rv = nsEventStatus_eIgnore;
if (!mInstance || !mOwner) // if mInstance is null, we shouldn't be here
return rv;
#ifdef XP_MACOSX
// check for null mWidget
if (mWidget) {
nsCOMPtr<nsIPluginWidget> 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;
}
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());
}
PRBool eventHandled = PR_FALSE;
WindowRef window = FixUpPluginWindow(ePluginPaintIgnore);
if (window) {
nsPluginEvent pluginEvent = { event, nsPluginPlatformWindowRef(window) };
mInstance->HandleEvent(&pluginEvent, &eventHandled);
}
if (eventHandled && !(anEvent.eventStructType == NS_MOUSE_EVENT &&
anEvent.message == NS_MOUSE_BUTTON_DOWN &&
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
#ifdef MOZ_X11
// this code supports windowless plugins
nsIWidget* widget = anEvent.widget;
nsPluginEvent pluginEvent;
pluginEvent.event.type = 0;
switch(anEvent.eventStructType)
{
case NS_MOUSE_EVENT:
{
switch (anEvent.message)
{
case NS_MOUSE_CLICK:
case NS_MOUSE_DOUBLECLICK:
// Button up/down events sent instead.
return rv;
}
// Get reference point relative to plugin origin.
const nsPresContext* presContext = mOwner->PresContext();
nsPoint appPoint =
nsLayoutUtils::GetEventCoordinatesRelativeTo(&anEvent, mOwner);
nsIntPoint pluginPoint(presContext->AppUnitsToDevPixels(appPoint.x),
presContext->AppUnitsToDevPixels(appPoint.y));
const nsMouseEvent& mouseEvent =
static_cast<const nsMouseEvent&>(anEvent);
// Get reference point relative to screen:
nsRect windowRect(anEvent.refPoint, nsSize(1, 1));
nsRect rootPoint(-1,-1,1,1);
if (widget)
widget->WidgetToScreen(windowRect, rootPoint);
#ifdef MOZ_WIDGET_GTK2
Window root = GDK_ROOT_WINDOW();
#else
Window root = None; // Could XQueryTree, but this is not important.
#endif
switch (anEvent.message)
{
case NS_MOUSE_ENTER_SYNTH:
case NS_MOUSE_EXIT_SYNTH:
{
XCrossingEvent& event = pluginEvent.event.xcrossing;
event.type = anEvent.message == NS_MOUSE_ENTER_SYNTH ?
EnterNotify : LeaveNotify;
event.root = root;
event.time = anEvent.time;
event.x = pluginPoint.x;
event.y = pluginPoint.y;
event.x_root = rootPoint.x;
event.y_root = rootPoint.y;
event.state = XInputEventState(mouseEvent);
// information lost
event.subwindow = None;
event.mode = -1;
event.detail = NotifyDetailNone;
event.same_screen = True;
event.focus = mContentFocused;
}
break;
case NS_MOUSE_MOVE:
{
XMotionEvent& event = pluginEvent.event.xmotion;
event.type = MotionNotify;
event.root = root;
event.time = anEvent.time;
event.x = pluginPoint.x;
event.y = pluginPoint.y;
event.x_root = rootPoint.x;
event.y_root = rootPoint.y;
event.state = XInputEventState(mouseEvent);
// information lost
event.subwindow = None;
event.is_hint = NotifyNormal;
event.same_screen = True;
}
break;
case NS_MOUSE_BUTTON_DOWN:
case NS_MOUSE_BUTTON_UP:
{
XButtonEvent& event = pluginEvent.event.xbutton;
event.type = anEvent.message == NS_MOUSE_BUTTON_DOWN ?
ButtonPress : ButtonRelease;
event.root = root;
event.time = anEvent.time;
event.x = pluginPoint.x;
event.y = pluginPoint.y;
event.x_root = rootPoint.x;
event.y_root = rootPoint.y;
event.state = XInputEventState(mouseEvent);
switch (mouseEvent.button)
{
case nsMouseEvent::eMiddleButton:
event.button = 2;
break;
case nsMouseEvent::eRightButton:
event.button = 3;
break;
default: // nsMouseEvent::eLeftButton;
event.button = 1;
break;
}
// information lost:
event.subwindow = None;
event.same_screen = True;
}
break;
}
}
break;
//XXX case NS_MOUSE_SCROLL_EVENT: not received.
case NS_KEY_EVENT:
if (anEvent.nativeMsg)
{
XKeyEvent &event = pluginEvent.event.xkey;
#ifdef MOZ_WIDGET_GTK2
event.root = GDK_ROOT_WINDOW();
event.time = anEvent.time;
const GdkEventKey* gdkEvent =
static_cast<const GdkEventKey*>(anEvent.nativeMsg);
event.keycode = gdkEvent->hardware_keycode;
event.state = gdkEvent->state;
switch (anEvent.message)
{
case NS_KEY_DOWN:
event.type = XKeyPress;
break;
case NS_KEY_UP:
event.type = KeyRelease;
break;
}
#endif
// Information that could be obtained from nativeMsg but we may not
// want to promise to provide:
event.subwindow = None;
event.x = 0;
event.y = 0;
event.x_root = -1;
event.y_root = -1;
event.same_screen = False;
}
else
{
// If we need to send synthesized key events, then
// DOMKeyCodeToGdkKeyCode(keyEvent.keyCode) and
// gdk_keymap_get_entries_for_keyval will be useful, but the
// mappings will not be unique.
NS_WARNING("Synthesized key event not sent to plugin");
}
break;
default:
switch (anEvent.message)
{
case NS_FOCUS_CONTENT:
case NS_BLUR_CONTENT:
{
XFocusChangeEvent &event = pluginEvent.event.xfocus;
event.type =
anEvent.message == NS_FOCUS_CONTENT ? FocusIn : FocusOut;
// information lost:
event.mode = -1;
event.detail = NotifyDetailNone;
}
break;
}
}
if (!pluginEvent.event.type) {
PR_LOG(nsObjectFrameLM, PR_LOG_DEBUG,
("Unhandled event message %d with struct type %d\n",
anEvent.message, anEvent.eventStructType));
return rv;
}
// Fill in (useless) generic event information.
XAnyEvent& event = pluginEvent.event.xany;
event.display = widget ?
static_cast<Display*>(widget->GetNativeData(NS_NATIVE_DISPLAY)) : nsnull;
event.window = None; // not a real window
// information lost:
event.serial = 0;
event.send_event = False;
PRBool eventHandled = PR_FALSE;
mInstance->HandleEvent(&pluginEvent, &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<nsIDOMEventTarget> target(do_QueryInterface(mContent));
if (target) {
nsCOMPtr<nsIDOMEventListener> listener;
QueryInterface(NS_GET_IID(nsIDOMEventListener), getter_AddRefs(listener));
// Unregister focus event listener
mContent->RemoveEventListenerByIID(listener, NS_GET_IID(nsIDOMFocusListener));
// Unregister mouse event listener
mContent->RemoveEventListenerByIID(listener, NS_GET_IID(nsIDOMMouseListener));
// now for the mouse motion listener
mContent->RemoveEventListenerByIID(listener, NS_GET_IID(nsIDOMMouseMotionListener));
// Unregister key event listener;
target->RemoveEventListener(NS_LITERAL_STRING("keypress"), listener, PR_TRUE);
target->RemoveEventListener(NS_LITERAL_STRING("keydown"), listener, PR_TRUE);
target->RemoveEventListener(NS_LITERAL_STRING("keyup"), listener, PR_TRUE);
// Unregister drag event listener;
target->RemoveEventListener(NS_LITERAL_STRING("dragdrop"), listener, PR_TRUE);
target->RemoveEventListener(NS_LITERAL_STRING("dragover"), listener, PR_TRUE);
target->RemoveEventListener(NS_LITERAL_STRING("dragexit"), listener, PR_TRUE);
target->RemoveEventListener(NS_LITERAL_STRING("dragenter"), listener, PR_TRUE);
target->RemoveEventListener(NS_LITERAL_STRING("draggesture"), listener, PR_TRUE);
}
if (mDestroyWidget && mWidget) {
mWidget->Destroy();
}
return NS_OK;
}
/*
* Prepare to stop
*/
void
nsPluginInstanceOwner::PrepareToStop(PRBool aDelayedStop)
{
#ifdef XP_WIN
if (aDelayedStop && mWidget) {
// To delay stopping a plugin we need to reparent the plugin
// so that we can safely tear down the
// plugin after its frame (and view) is gone.
// Also hide and disable the widget to avoid it from appearing in
// odd places after reparenting it, but before it gets destroyed.
mWidget->Show(PR_FALSE);
mWidget->Enable(PR_FALSE);
// Reparent the plugins native window. This relies on the widget
// and plugin et al not holding any other references to its
// parent.
mWidget->SetParent(nsnull);
mDestroyWidget = PR_TRUE;
}
#endif
// 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();
}
}
// Paints are handled differently, so we just simulate an update event.
#ifdef XP_MACOSX
void nsPluginInstanceOwner::Paint(const nsRect& aDirtyRect)
{
if (!mInstance || !mOwner)
return;
#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, 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
nsIntRect absDirtyRectInPixels;
ConvertAppUnitsToPixels(*mOwner->GetPresContext(), absDirtyRect,
absDirtyRectInPixels);
#endif
nsCOMPtr<nsIPluginWidget> pluginWidget = do_QueryInterface(mWidget);
if (pluginWidget && NS_SUCCEEDED(pluginWidget->StartDrawPlugin())) {
WindowRef window = FixUpPluginWindow(ePluginPaintEnable);
if (window) {
EventRecord updateEvent;
InitializeEventRecord(&updateEvent);
updateEvent.what = updateEvt;
updateEvent.message = UInt32(window);
nsPluginEvent pluginEvent = { &updateEvent, nsPluginPlatformWindowRef(window) };
PRBool eventHandled = PR_FALSE;
mInstance->HandleEvent(&pluginEvent, &eventHandled);
}
pluginWidget->EndDrawPlugin();
}
}
#endif
#ifdef XP_WIN
void nsPluginInstanceOwner::Paint(const nsRect& aDirtyRect, HDC ndc)
{
if (!mInstance || !mOwner)
return;
nsPluginWindow * window;
GetWindow(window);
nsRect relDirtyRect = nsRect(aDirtyRect.x, aDirtyRect.y, aDirtyRect.width, aDirtyRect.height);
nsIntRect relDirtyRectInPixels;
ConvertAppUnitsToPixels(*mOwner->PresContext(), 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
#ifdef MOZ_X11
void nsPluginInstanceOwner::Paint(nsIRenderingContext& aRenderingContext,
const nsRect& aDirtyRect)
{
if (!mInstance || !mOwner)
return;
nsPluginWindow* window;
GetWindow(window);
nsIntRect dirtyRectInPixels;
ConvertAppUnitsToPixels(*mOwner->PresContext(), aDirtyRect,
dirtyRectInPixels);
// Sanitize the dirty rect so we don't tell plugins that the area outside
// the plugin rectangle needs updating.
nsIntRect pluginDirtyRect;
if (!pluginDirtyRect.IntersectRect(nsIntRect(0, 0, window->width, window->height), dirtyRectInPixels))
return;
Renderer renderer(window, mInstance, pluginDirtyRect);
PRUint32 rendererFlags =
Renderer::DRAW_SUPPORTS_OFFSET |
Renderer::DRAW_SUPPORTS_CLIP_RECT |
Renderer::DRAW_SUPPORTS_NONDEFAULT_VISUAL |
Renderer::DRAW_SUPPORTS_ALTERNATE_DISPLAY;
PRBool transparent = PR_TRUE;
mInstance->GetValue(nsPluginInstanceVariable_TransparentBool,
(void *)&transparent);
if (!transparent)
rendererFlags |= Renderer::DRAW_IS_OPAQUE;
gfxContext* ctx =
static_cast<gfxContext*>
(aRenderingContext.GetNativeGraphicData(nsIRenderingContext::NATIVE_THEBES_CONTEXT));
// The display used by gfxXlibNativeRenderer will be the one for the cairo
// surface (provided that it is an Xlib surface) but the display argument
// here needs to be non-NULL for cairo_draw_with_xlib ->
// _create_temp_xlib_surface -> DefaultScreen(dpy).
NPSetWindowCallbackStruct* ws_info =
static_cast<NPSetWindowCallbackStruct*>(window->ws_info);
renderer.Draw(ws_info->display, ctx, window->width, window->height,
rendererFlags, nsnull);
}
nsresult
nsPluginInstanceOwner::Renderer::NativeDraw(Display* dpy, Drawable drawable,
Visual* visual,
short offsetX, short offsetY,
XRectangle* clipRects,
PRUint32 numClipRects)
{
// See if the plugin must be notified of new window parameters.
PRBool doupdatewindow = PR_FALSE;
if (mWindow->x != offsetX || mWindow->y != offsetY) {
mWindow->x = offsetX;
mWindow->y = offsetY;
doupdatewindow = PR_TRUE;
}
NS_ASSERTION(numClipRects <= 1, "We don't support multiple clip rectangles!");
nsPluginRect newClipRect;
if (numClipRects) {
newClipRect.left = clipRects[0].x;
newClipRect.top = clipRects[0].y;
newClipRect.right = clipRects[0].x + clipRects[0].width;
newClipRect.bottom = clipRects[0].y + clipRects[0].height;
}
else {
// We should have been given a clip if an offset is -ve.
NS_ASSERTION(offsetX >= 0 && offsetY >= 0,
"Clip rectangle offsets are negative!");
newClipRect.left = offsetX;
newClipRect.top = offsetY;
newClipRect.right = offsetX + mWindow->width;
newClipRect.bottom = offsetY + mWindow->height;
}
if (mWindow->clipRect.left != newClipRect.left ||
mWindow->clipRect.top != newClipRect.top ||
mWindow->clipRect.right != newClipRect.right ||
mWindow->clipRect.bottom != newClipRect.bottom) {
mWindow->clipRect = newClipRect;
doupdatewindow = PR_TRUE;
}
NPSetWindowCallbackStruct* ws_info =
static_cast<NPSetWindowCallbackStruct*>(mWindow->ws_info);
if ( ws_info->visual != visual) {
// NPAPI needs a colormap but the surface doesn't provide a colormap. If
// gfxContent::CurrentSurface is a gfxXlibSurface then the visual here
// should be derived from that of the window and so the colormap of the
// window should be fine. For other surfaces I don't know what to use.
NS_ASSERTION(ws_info->visual == visual,
"Visual changed: colormap may not match");
ws_info->visual = visual;
doupdatewindow = PR_TRUE;
}
if (doupdatewindow)
mInstance->SetWindow(mWindow);
nsPluginEvent pluginEvent;
XGraphicsExposeEvent& exposeEvent = pluginEvent.event.xgraphicsexpose;
// set the drawing info
exposeEvent.type = GraphicsExpose;
exposeEvent.display = dpy;
exposeEvent.drawable = drawable;
exposeEvent.x = mDirtyRect.x + offsetX;
exposeEvent.y = mDirtyRect.y + offsetY;
exposeEvent.width = mDirtyRect.width;
exposeEvent.height = mDirtyRect.height;
exposeEvent.count = 0;
// information not set:
exposeEvent.serial = 0;
exposeEvent.send_event = False;
exposeEvent.major_code = 0;
exposeEvent.minor_code = 0;
PRBool eventHandled = PR_FALSE;
mInstance->HandleEvent(&pluginEvent, &eventHandled);
return NS_OK;
}
#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<nsIPluginWidget> pluginWidget = do_QueryInterface(mWidget);
if (pluginWidget && NS_SUCCEEDED(pluginWidget->StartDrawPlugin())) {
WindowRef window = FixUpPluginWindow(ePluginPaintIgnore);
if (window) {
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(window) };
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<nsIDOMEventTarget> target(do_QueryInterface(mContent));
if (target) {
nsCOMPtr<nsIDOMEventListener> listener;
QueryInterface(NS_GET_IID(nsIDOMEventListener), getter_AddRefs(listener));
// Register focus listener
mContent->AddEventListenerByIID(listener, NS_GET_IID(nsIDOMFocusListener));
// Register mouse listener
mContent->AddEventListenerByIID(listener, NS_GET_IID(nsIDOMMouseListener));
// now do the mouse motion listener
mContent->AddEventListenerByIID(listener, NS_GET_IID(nsIDOMMouseMotionListener));
// Register key listener
target->AddEventListener(NS_LITERAL_STRING("keypress"), listener, PR_TRUE);
target->AddEventListener(NS_LITERAL_STRING("keydown"), listener, PR_TRUE);
target->AddEventListener(NS_LITERAL_STRING("keyup"), listener, PR_TRUE);
// Register drag listener
target->AddEventListener(NS_LITERAL_STRING("dragdrop"), listener, PR_TRUE);
target->AddEventListener(NS_LITERAL_STRING("dragover"), listener, PR_TRUE);
target->AddEventListener(NS_LITERAL_STRING("dragexit"), listener, PR_TRUE);
target->AddEventListener(NS_LITERAL_STRING("dragenter"), listener, PR_TRUE);
target->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
#ifdef XP_MACOSX
if (GetDrawingModel() == NPDrawingModelCoreGraphics)
result = (nsPluginPort*) mWidget->GetNativeData(NS_NATIVE_PLUGIN_PORT_CG);
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->PresContext();
rv = mOwner->CreateWidget(context->DevPixelsToAppUnits(mPluginWindow->width),
context->DevPixelsToAppUnits(mPluginWindow->height),
windowless);
if (NS_OK == rv) {
view = mOwner->GetView();
if (view) {
mWidget = view->GetWidget();
}
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)) || defined(MOZ_X11)
// convert frame coordinates from twips to pixels
static void ConvertAppUnitsToPixels(const nsPresContext& aPresContext, const nsRect& aTwipsRect, nsIntRect& 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
WindowRef nsPluginInstanceOwner::FixUpPluginWindow(PRInt32 inPaintState)
{
if (!mWidget || !mPluginWindow || !mInstance)
return nsnull;
nsPluginPort* pluginPort = GetPluginPort();
if (!pluginPort)
return nsnull;
NPDrawingModel drawingModel = GetDrawingModel();
// first, check our view for CSS visibility style
PRBool isVisible =
mOwner->GetView()->GetVisibility() == nsViewVisibility_kShow;
nsCOMPtr<nsIPluginWidget> 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();
#ifndef NP_NO_QUICKDRAW
// set the port coordinates
if (drawingModel == NPDrawingModelQuickDraw) {
mPluginWindow->x = -pluginPort->qdPort.portx;
mPluginWindow->y = -pluginPort->qdPort.porty;
}
else if (drawingModel == NPDrawingModelCoreGraphics)
#endif
{
// This would be a lot easier if we could use obj-c here,
// but we can't. Since we have only nsIWidget and we can't
// use its native widget (an obj-c object) we have to go
// from the widget's screen coordinates to its window coords
// instead of straight to window coords.
nsRect geckoBounds;
mWidget->GetBounds(geckoBounds);
// we need a rect that is the entire *internal* rect, so the
// x and y coords are 0, width is the same.
geckoBounds.x = 0;
geckoBounds.y = 0;
nsRect geckoScreenCoords;
mWidget->WidgetToScreen(geckoBounds, geckoScreenCoords);
Rect windowRect;
WindowRef window = (WindowRef)pluginPort->cgPort.window;
::GetWindowBounds(window, kWindowStructureRgn, &windowRect);
mPluginWindow->x = geckoScreenCoords.x - windowRect.left;
mPluginWindow->y = geckoScreenCoords.y - windowRect.top;
}
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);
}
}
#ifndef NP_NO_QUICKDRAW
if (drawingModel == NPDrawingModelQuickDraw)
return ::GetWindowFromPort(pluginPort->qdPort.port);
#endif
if (drawingModel == NPDrawingModelCoreGraphics)
return pluginPort->cgPort.window;
return nsnull;
}
#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<nsIURI> baseURI = mContent->GetBaseURI();
nsAutoString newURL;
NS_MakeAbsoluteURI(newURL, value, baseURI);
if (!newURL.IsEmpty())
value = newURL;
}
}
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