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gecko-dev/dom/plugins/PluginInstanceParent.cpp

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* vim: sw=4 ts=4 et :
* ***** 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 Plugin App.
*
* The Initial Developer of the Original Code is
* Chris Jones <jones.chris.g@gmail.com>
* Portions created by the Initial Developer are Copyright (C) 2009
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Jim Mathies <jmathies@mozilla.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either 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 ***** */
#include "PluginInstanceParent.h"
#include "BrowserStreamParent.h"
#include "PluginModuleParent.h"
#include "PluginStreamParent.h"
#include "StreamNotifyParent.h"
#include "npfunctions.h"
#include "nsAutoPtr.h"
#if defined(OS_WIN)
#include <windowsx.h>
// Plugin focus event for widget.
extern const PRUnichar* kOOPPPluginFocusEventId;
UINT gOOPPPluginFocusEvent =
RegisterWindowMessage(kOOPPPluginFocusEventId);
UINT gOOPPSpinNativeLoopEvent =
RegisterWindowMessage(L"SyncChannel Spin Inner Loop Message");
UINT gOOPPStopNativeLoopEvent =
RegisterWindowMessage(L"SyncChannel Stop Inner Loop Message");
#elif defined(MOZ_WIDGET_GTK2)
#include <gdk/gdk.h>
#elif defined(XP_MACOSX)
#include <ApplicationServices/ApplicationServices.h>
#include "nsPluginUtilsOSX.h"
#endif // defined(XP_MACOSX)
using namespace mozilla::plugins;
PluginInstanceParent::PluginInstanceParent(PluginModuleParent* parent,
NPP npp,
const NPNetscapeFuncs* npniface)
: mParent(parent)
, mNPP(npp)
, mNPNIface(npniface)
, mWindowType(NPWindowTypeWindow)
#if defined(OS_WIN)
, mPluginHWND(NULL)
, mPluginWndProc(NULL)
, mNestedEventState(false)
#endif // defined(XP_WIN)
#if defined(XP_MACOSX)
, mShWidth(0)
, mShHeight(0)
, mShColorSpace(NULL)
#endif
{
}
PluginInstanceParent::~PluginInstanceParent()
{
if (mNPP)
mNPP->pdata = NULL;
#if defined(OS_WIN)
NS_ASSERTION(!(mPluginHWND || mPluginWndProc),
"Subclass was not reset correctly before the dtor was reached!");
#endif
#if defined(OS_MACOSX)
::CGColorSpaceRelease(mShColorSpace);
#endif
}
bool
PluginInstanceParent::Init()
{
return !!mScriptableObjects.Init();
}
namespace {
PLDHashOperator
ActorCollect(const void* aKey,
PluginScriptableObjectParent* aData,
void* aUserData)
{
nsTArray<PluginScriptableObjectParent*>* objects =
reinterpret_cast<nsTArray<PluginScriptableObjectParent*>*>(aUserData);
return objects->AppendElement(aData) ? PL_DHASH_NEXT : PL_DHASH_STOP;
}
} // anonymous namespace
void
PluginInstanceParent::ActorDestroy(ActorDestroyReason why)
{
#if defined(OS_WIN)
if (why == AbnormalShutdown) {
// If the plugin process crashes, this is the only
// chance we get to destroy resources.
SharedSurfaceRelease();
UnsubclassPluginWindow();
// If we crashed in a modal loop in the child, reset
// the rpc event spin loop state.
if (mNestedEventState) {
mNestedEventState = false;
PostThreadMessage(GetCurrentThreadId(),
gOOPPStopNativeLoopEvent,
0, 0);
}
}
#endif
}
NPError
PluginInstanceParent::Destroy()
{
NPError retval;
if (!CallNPP_Destroy(&retval))
retval = NPERR_GENERIC_ERROR;
#if defined(OS_WIN)
SharedSurfaceRelease();
UnsubclassPluginWindow();
if (mNestedEventState) {
mNestedEventState = false;
PostThreadMessage(GetCurrentThreadId(),
gOOPPStopNativeLoopEvent,
0, 0);
}
#endif
return retval;
}
PBrowserStreamParent*
PluginInstanceParent::AllocPBrowserStream(const nsCString& url,
const uint32_t& length,
const uint32_t& lastmodified,
PStreamNotifyParent* notifyData,
const nsCString& headers,
const nsCString& mimeType,
const bool& seekable,
NPError* rv,
uint16_t *stype)
{
NS_RUNTIMEABORT("Not reachable");
return NULL;
}
bool
PluginInstanceParent::DeallocPBrowserStream(PBrowserStreamParent* stream)
{
delete stream;
return true;
}
PPluginStreamParent*
PluginInstanceParent::AllocPPluginStream(const nsCString& mimeType,
const nsCString& target,
NPError* result)
{
return new PluginStreamParent(this, mimeType, target, result);
}
bool
PluginInstanceParent::DeallocPPluginStream(PPluginStreamParent* stream)
{
delete stream;
return true;
}
#ifdef MOZ_X11
static Display* GetXDisplay() {
# ifdef MOZ_WIDGET_GTK2
return GDK_DISPLAY();
# elif defined(MOZ_WIDGET_QT)
return QX11Info::display();
# endif
}
#endif
bool
PluginInstanceParent::AnswerNPN_GetValue_NPNVjavascriptEnabledBool(
bool* value,
NPError* result)
{
NPBool v;
*result = mNPNIface->getvalue(mNPP, NPNVjavascriptEnabledBool, &v);
*value = v;
return true;
}
bool
PluginInstanceParent::AnswerNPN_GetValue_NPNVisOfflineBool(bool* value,
NPError* result)
{
NPBool v;
*result = mNPNIface->getvalue(mNPP, NPNVisOfflineBool, &v);
*value = v;
return true;
}
bool
PluginInstanceParent::AnswerNPN_GetValue_NPNVnetscapeWindow(NativeWindowHandle* value,
NPError* result)
{
#ifdef XP_WIN
HWND id;
#elif defined(MOZ_X11)
XID id;
#elif defined(XP_MACOSX)
intptr_t id;
#else
#warning Implement me
#endif
*result = mNPNIface->getvalue(mNPP, NPNVnetscapeWindow, &id);
*value = id;
return true;
}
bool
PluginInstanceParent::InternalGetValueForNPObject(
NPNVariable aVariable,
PPluginScriptableObjectParent** aValue,
NPError* aResult)
{
NPObject* npobject;
NPError result = mNPNIface->getvalue(mNPP, aVariable, (void*)&npobject);
if (result == NPERR_NO_ERROR) {
NS_ASSERTION(npobject, "Shouldn't return null and NPERR_NO_ERROR!");
PluginScriptableObjectParent* actor = GetActorForNPObject(npobject);
mNPNIface->releaseobject(npobject);
if (actor) {
*aValue = actor;
*aResult = NPERR_NO_ERROR;
return true;
}
NS_ERROR("Failed to get actor!");
result = NPERR_GENERIC_ERROR;
}
*aValue = nsnull;
*aResult = result;
return true;
}
bool
PluginInstanceParent::AnswerNPN_GetValue_NPNVWindowNPObject(
PPluginScriptableObjectParent** aValue,
NPError* aResult)
{
return InternalGetValueForNPObject(NPNVWindowNPObject, aValue, aResult);
}
bool
PluginInstanceParent::AnswerNPN_GetValue_NPNVPluginElementNPObject(
PPluginScriptableObjectParent** aValue,
NPError* aResult)
{
return InternalGetValueForNPObject(NPNVPluginElementNPObject, aValue,
aResult);
}
bool
PluginInstanceParent::AnswerNPN_GetValue_NPNVprivateModeBool(bool* value,
NPError* result)
{
NPBool v;
*result = mNPNIface->getvalue(mNPP, NPNVprivateModeBool, &v);
*value = v;
return true;
}
bool
PluginInstanceParent::AnswerNPN_SetValue_NPPVpluginWindow(
const bool& windowed, NPError* result)
{
NPBool isWindowed = windowed;
*result = mNPNIface->setvalue(mNPP, NPPVpluginWindowBool,
(void*)isWindowed);
return true;
}
bool
PluginInstanceParent::AnswerNPN_SetValue_NPPVpluginTransparent(
const bool& transparent, NPError* result)
{
NPBool isTransparent = transparent;
*result = mNPNIface->setvalue(mNPP, NPPVpluginTransparentBool,
(void*)isTransparent);
return true;
}
bool
PluginInstanceParent::AnswerNPN_SetValue_NPPVpluginDrawingModel(
const int& drawingModel, NPError* result)
{
#ifdef XP_MACOSX
*result = mNPNIface->setvalue(mNPP, NPPVpluginDrawingModel,
(void*)drawingModel);
return true;
#else
*result = NPERR_GENERIC_ERROR;
return true;
#endif
}
bool
PluginInstanceParent::AnswerNPN_SetValue_NPPVpluginEventModel(
const int& eventModel, NPError* result)
{
#ifdef XP_MACOSX
*result = mNPNIface->setvalue(mNPP, NPPVpluginEventModel,
(void*)eventModel);
return true;
#else
*result = NPERR_GENERIC_ERROR;
return true;
#endif
}
bool
PluginInstanceParent::AnswerNPN_GetURL(const nsCString& url,
const nsCString& target,
NPError* result)
{
*result = mNPNIface->geturl(mNPP,
NullableStringGet(url),
NullableStringGet(target));
return true;
}
bool
PluginInstanceParent::AnswerNPN_PostURL(const nsCString& url,
const nsCString& target,
const nsCString& buffer,
const bool& file,
NPError* result)
{
*result = mNPNIface->posturl(mNPP, url.get(), NullableStringGet(target),
buffer.Length(), buffer.get(), file);
return true;
}
PStreamNotifyParent*
PluginInstanceParent::AllocPStreamNotify(const nsCString& url,
const nsCString& target,
const bool& post,
const nsCString& buffer,
const bool& file,
NPError* result)
{
return new StreamNotifyParent();
}
bool
PluginInstanceParent::AnswerPStreamNotifyConstructor(PStreamNotifyParent* actor,
const nsCString& url,
const nsCString& target,
const bool& post,
const nsCString& buffer,
const bool& file,
NPError* result)
{
bool streamDestroyed = false;
static_cast<StreamNotifyParent*>(actor)->
SetDestructionFlag(&streamDestroyed);
if (!post) {
*result = mNPNIface->geturlnotify(mNPP,
NullableStringGet(url),
NullableStringGet(target),
actor);
}
else {
*result = mNPNIface->posturlnotify(mNPP,
NullableStringGet(url),
NullableStringGet(target),
buffer.Length(),
NullableStringGet(buffer),
file, actor);
}
if (!streamDestroyed) {
static_cast<StreamNotifyParent*>(actor)->ClearDestructionFlag();
if (*result != NPERR_NO_ERROR)
PStreamNotifyParent::Send__delete__(actor, NPERR_GENERIC_ERROR);
}
return true;
}
bool
PluginInstanceParent::DeallocPStreamNotify(PStreamNotifyParent* notifyData)
{
delete notifyData;
return true;
}
bool
PluginInstanceParent::RecvNPN_InvalidateRect(const NPRect& rect)
{
mNPNIface->invalidaterect(mNPP, const_cast<NPRect*>(&rect));
return true;
}
NPError
PluginInstanceParent::NPP_SetWindow(const NPWindow* aWindow)
{
PLUGIN_LOG_DEBUG(("%s (aWindow=%p)", FULLFUNCTION, (void*) aWindow));
NS_ENSURE_TRUE(aWindow, NPERR_GENERIC_ERROR);
NPRemoteWindow window;
mWindowType = aWindow->type;
#if defined(OS_WIN)
// On windowless controls, reset the shared memory surface as needed.
if (mWindowType == NPWindowTypeDrawable) {
// SharedSurfaceSetWindow will take care of NPRemoteWindow.
if (!SharedSurfaceSetWindow(aWindow, window)) {
return NPERR_OUT_OF_MEMORY_ERROR;
}
}
else {
SubclassPluginWindow(reinterpret_cast<HWND>(aWindow->window));
window.window = reinterpret_cast<unsigned long>(aWindow->window);
window.x = aWindow->x;
window.y = aWindow->y;
window.width = aWindow->width;
window.height = aWindow->height;
window.type = aWindow->type;
}
#else
window.window = reinterpret_cast<unsigned long>(aWindow->window);
window.x = aWindow->x;
window.y = aWindow->y;
window.width = aWindow->width;
window.height = aWindow->height;
window.clipRect = aWindow->clipRect; // MacOS specific
window.type = aWindow->type;
#endif
#if defined(XP_MACOSX)
if (mShWidth * mShHeight != window.width * window.height) {
// XXX: benwa: OMG MEMORY LEAK!
// There is currently no way dealloc the shmem
// so for now we will leak the memory and will fix this ASAP!
if (!AllocShmem(window.width * window.height * 4, &mShSurface)) {
PLUGIN_LOG_DEBUG(("Shared memory could not be allocated."));
return NPERR_GENERIC_ERROR;
}
mShWidth = window.width;
mShHeight = window.height;
}
#endif
#if defined(MOZ_X11) && defined(XP_UNIX) && !defined(XP_MACOSX)
const NPSetWindowCallbackStruct* ws_info =
static_cast<NPSetWindowCallbackStruct*>(aWindow->ws_info);
window.visualID = ws_info->visual ? ws_info->visual->visualid : None;
window.colormap = ws_info->colormap;
#endif
if (!CallNPP_SetWindow(window))
return NPERR_GENERIC_ERROR;
return NPERR_NO_ERROR;
}
NPError
PluginInstanceParent::NPP_GetValue(NPPVariable aVariable,
void* _retval)
{
switch (aVariable) {
#ifdef MOZ_X11
case NPPVpluginNeedsXEmbed: {
bool needsXEmbed;
NPError rv;
if (!CallNPP_GetValue_NPPVpluginNeedsXEmbed(&needsXEmbed, &rv)) {
return NPERR_GENERIC_ERROR;
}
if (NPERR_NO_ERROR != rv) {
return rv;
}
(*(NPBool*)_retval) = needsXEmbed;
return NPERR_NO_ERROR;
}
#endif
case NPPVpluginScriptableNPObject: {
PPluginScriptableObjectParent* actor;
NPError rv;
if (!CallNPP_GetValue_NPPVpluginScriptableNPObject(&actor, &rv)) {
return NPERR_GENERIC_ERROR;
}
if (NPERR_NO_ERROR != rv) {
return rv;
}
if (!actor) {
NS_ERROR("NPPVpluginScriptableNPObject succeeded but null.");
return NPERR_GENERIC_ERROR;
}
const NPNetscapeFuncs* npn = mParent->GetNetscapeFuncs();
if (!npn) {
NS_WARNING("No netscape functions?!");
return NPERR_GENERIC_ERROR;
}
NPObject* object =
static_cast<PluginScriptableObjectParent*>(actor)->GetObject(true);
NS_ASSERTION(object, "This shouldn't ever be null!");
(*(NPObject**)_retval) = npn->retainobject(object);
return NPERR_NO_ERROR;
}
default:
PR_LOG(gPluginLog, PR_LOG_WARNING,
("In PluginInstanceParent::NPP_GetValue: Unhandled NPPVariable %i (%s)",
(int) aVariable, NPPVariableToString(aVariable)));
return NPERR_GENERIC_ERROR;
}
}
NPError
PluginInstanceParent::NPP_SetValue(NPNVariable variable, void* value)
{
switch (variable) {
case NPNVprivateModeBool:
NPError result;
if (!CallNPP_SetValue_NPNVprivateModeBool(*static_cast<NPBool*>(value),
&result))
return NPERR_GENERIC_ERROR;
return result;
default:
NS_ERROR("Unhandled NPNVariable in NPP_SetValue");
PR_LOG(gPluginLog, PR_LOG_WARNING,
("In PluginInstanceParent::NPP_SetValue: Unhandled NPNVariable %i (%s)",
(int) variable, NPNVariableToString(variable)));
return NPERR_GENERIC_ERROR;
}
}
int16_t
PluginInstanceParent::NPP_HandleEvent(void* event)
{
PLUGIN_LOG_DEBUG_FUNCTION;
#if defined(XP_MACOSX)
NPCocoaEvent* npevent = reinterpret_cast<NPCocoaEvent*>(event);
#else
NPEvent* npevent = reinterpret_cast<NPEvent*>(event);
#endif
NPRemoteEvent npremoteevent;
npremoteevent.event = *npevent;
int16_t handled = 0;
#if defined(OS_WIN)
if (mWindowType == NPWindowTypeDrawable) {
switch(npevent->event) {
case WM_PAINT:
{
RECT rect;
SharedSurfaceBeforePaint(rect, npremoteevent);
CallPaint(npremoteevent, &handled);
SharedSurfaceAfterPaint(npevent);
return handled;
}
break;
case WM_KILLFOCUS:
{
// When the user selects fullscreen mode in Flash video players,
// WM_KILLFOCUS will be delayed by deferred event processing:
// WM_LBUTTONUP results in a call to CreateWindow within Flash,
// which fires WM_KILLFOCUS. Delayed delivery causes Flash to
// misinterpret the event, dropping back out of fullscreen. Trap
// this event and drop it.
PRUnichar szClass[26];
HWND hwnd = GetForegroundWindow();
if (hwnd && hwnd != mPluginHWND &&
GetClassNameW(hwnd, szClass,
sizeof(szClass)/sizeof(PRUnichar)) &&
!wcscmp(szClass, L"ShockwaveFlashFullScreen")) {
return 0;
}
}
break;
case WM_WINDOWPOSCHANGED:
{
// We send this in nsObjectFrame just before painting
SendWindowPosChanged(npremoteevent);
// nsObjectFrame doesn't care whether we handle this
// or not, just returning 1 for good hygiene
return 1;
}
break;
}
}
#endif
#if defined(MOZ_X11)
switch (npevent->type) {
case GraphicsExpose:
PLUGIN_LOG_DEBUG((" schlepping drawable 0x%lx across the pipe\n",
npevent->xgraphicsexpose.drawable));
// Make sure the X server has created the Drawable and completes any
// drawing before the plugin draws on top.
//
// XSync() waits for the X server to complete. Really this parent
// process does not need to wait; the child is the process that needs
// to wait. A possibly-slightly-better alternative would be to send
// an X event to the child that the child would wait for.
XSync(GetXDisplay(), False);
break;
case ButtonPress:
// Release any active pointer grab so that the plugin X client can
// grab the pointer if it wishes.
Display *dpy = GetXDisplay();
# ifdef MOZ_WIDGET_GTK2
// GDK attempts to (asynchronously) track whether there is an active
// grab so ungrab through GDK.
gdk_pointer_ungrab(npevent->xbutton.time);
# else
XUngrabPointer(dpy, npevent->xbutton.time);
# endif
// Wait for the ungrab to complete.
XSync(dpy, False);
break;
return CallPaint(npremoteevent, &handled) ? handled : 0;
}
#endif
#ifdef XP_MACOSX
if (npevent->type == NPCocoaEventDrawRect) {
if (mShWidth == 0 && mShHeight == 0) {
PLUGIN_LOG_DEBUG(("NPCocoaEventDrawRect on window of size 0."));
return false;
}
if (!mShSurface.IsReadable()) {
PLUGIN_LOG_DEBUG(("Shmem is not readable."));
return false;
}
if (!CallNPP_HandleEvent_Shmem(npremoteevent, mShSurface, &handled, &mShSurface))
return false; // no good way to handle errors here...
if (!mShSurface.IsReadable()) {
PLUGIN_LOG_DEBUG(("Shmem not returned. Either the plugin crashed or we have a bug."));
return false;
}
char* shContextByte = mShSurface.get<char>();
if (!mShColorSpace) {
mShColorSpace = CreateSystemColorSpace();
}
if (!mShColorSpace) {
PLUGIN_LOG_DEBUG(("Could not allocate ColorSpace."));
return true;
}
CGContextRef shContext = ::CGBitmapContextCreate(shContextByte,
mShWidth, mShHeight, 8, mShWidth*4, mShColorSpace,
kCGImageAlphaPremultipliedFirst | kCGBitmapByteOrder32Host);
if (!shContext) {
PLUGIN_LOG_DEBUG(("Could not allocate CGBitmapContext."));
return true;
}
CGImageRef shImage = ::CGBitmapContextCreateImage(shContext);
if (shImage) {
CGContextRef cgContext = npevent->data.draw.context;
::CGContextDrawImage(cgContext, CGRectMake(0,0,mShWidth,mShHeight), shImage);
::CGImageRelease(shImage);
}
::CGContextRelease(shContext);
return handled;
}
#endif
if (!CallNPP_HandleEvent(npremoteevent, &handled))
return 0; // no good way to handle errors here...
return handled;
}
NPError
PluginInstanceParent::NPP_NewStream(NPMIMEType type, NPStream* stream,
NPBool seekable, uint16_t* stype)
{
PLUGIN_LOG_DEBUG(("%s (type=%s, stream=%p, seekable=%i)",
FULLFUNCTION, (char*) type, (void*) stream, (int) seekable));
BrowserStreamParent* bs = new BrowserStreamParent(this, stream);
NPError err;
if (!CallPBrowserStreamConstructor(bs,
NullableString(stream->url),
stream->end,
stream->lastmodified,
static_cast<PStreamNotifyParent*>(stream->notifyData),
NullableString(stream->headers),
NullableString(type), seekable,
&err, stype))
return NPERR_GENERIC_ERROR;
if (NPERR_NO_ERROR != err)
PBrowserStreamParent::Send__delete__(bs);
return err;
}
NPError
PluginInstanceParent::NPP_DestroyStream(NPStream* stream, NPReason reason)
{
PLUGIN_LOG_DEBUG(("%s (stream=%p, reason=%i)",
FULLFUNCTION, (void*) stream, (int) reason));
AStream* s = static_cast<AStream*>(stream->pdata);
if (s->IsBrowserStream()) {
BrowserStreamParent* sp =
static_cast<BrowserStreamParent*>(s);
if (sp->mNPP != this)
NS_RUNTIMEABORT("Mismatched plugin data");
sp->NPP_DestroyStream(reason);
return NPERR_NO_ERROR;
}
else {
PluginStreamParent* sp =
static_cast<PluginStreamParent*>(s);
if (sp->mInstance != this)
NS_RUNTIMEABORT("Mismatched plugin data");
PPluginStreamParent::Call__delete__(sp, reason, false);
return NPERR_NO_ERROR;
}
}
void
PluginInstanceParent::NPP_Print(NPPrint* platformPrint)
{
// TODO: implement me
NS_ERROR("Not implemented");
}
PPluginScriptableObjectParent*
PluginInstanceParent::AllocPPluginScriptableObject()
{
return new PluginScriptableObjectParent(Proxy);
}
#ifdef DEBUG
namespace {
struct ActorSearchData
{
PluginScriptableObjectParent* actor;
bool found;
};
PLDHashOperator
ActorSearch(const void* aKey,
PluginScriptableObjectParent* aData,
void* aUserData)
{
ActorSearchData* asd = reinterpret_cast<ActorSearchData*>(aUserData);
if (asd->actor == aData) {
asd->found = true;
return PL_DHASH_STOP;
}
return PL_DHASH_NEXT;
}
} // anonymous namespace
#endif // DEBUG
bool
PluginInstanceParent::DeallocPPluginScriptableObject(
PPluginScriptableObjectParent* aObject)
{
PluginScriptableObjectParent* actor =
static_cast<PluginScriptableObjectParent*>(aObject);
NPObject* object = actor->GetObject(false);
if (object) {
NS_ASSERTION(mScriptableObjects.Get(object, nsnull),
"NPObject not in the hash!");
mScriptableObjects.Remove(object);
}
#ifdef DEBUG
else {
ActorSearchData asd = { actor, false };
mScriptableObjects.EnumerateRead(ActorSearch, &asd);
NS_ASSERTION(!asd.found, "Actor in the hash with a null NPObject!");
}
#endif
delete actor;
return true;
}
bool
PluginInstanceParent::RecvPPluginScriptableObjectConstructor(
PPluginScriptableObjectParent* aActor)
{
// This is only called in response to the child process requesting the
// creation of an actor. This actor will represent an NPObject that is
// created by the plugin and returned to the browser.
PluginScriptableObjectParent* actor =
static_cast<PluginScriptableObjectParent*>(aActor);
NS_ASSERTION(!actor->GetObject(false), "Actor already has an object?!");
actor->InitializeProxy();
NS_ASSERTION(actor->GetObject(false), "Actor should have an object!");
return true;
}
void
PluginInstanceParent::NPP_URLNotify(const char* url, NPReason reason,
void* notifyData)
{
PLUGIN_LOG_DEBUG(("%s (%s, %i, %p)",
FULLFUNCTION, url, (int) reason, notifyData));
PStreamNotifyParent* streamNotify =
static_cast<PStreamNotifyParent*>(notifyData);
PStreamNotifyParent::Send__delete__(streamNotify, reason);
}
bool
PluginInstanceParent::RegisterNPObjectForActor(
NPObject* aObject,
PluginScriptableObjectParent* aActor)
{
NS_ASSERTION(aObject && aActor, "Null pointers!");
NS_ASSERTION(mScriptableObjects.IsInitialized(), "Hash not initialized!");
NS_ASSERTION(!mScriptableObjects.Get(aObject, nsnull), "Duplicate entry!");
return !!mScriptableObjects.Put(aObject, aActor);
}
void
PluginInstanceParent::UnregisterNPObject(NPObject* aObject)
{
NS_ASSERTION(aObject, "Null pointer!");
NS_ASSERTION(mScriptableObjects.IsInitialized(), "Hash not initialized!");
NS_ASSERTION(mScriptableObjects.Get(aObject, nsnull), "Unknown entry!");
mScriptableObjects.Remove(aObject);
}
PluginScriptableObjectParent*
PluginInstanceParent::GetActorForNPObject(NPObject* aObject)
{
NS_ASSERTION(aObject, "Null pointer!");
if (aObject->_class == PluginScriptableObjectParent::GetClass()) {
// One of ours!
ParentNPObject* object = static_cast<ParentNPObject*>(aObject);
NS_ASSERTION(object->parent, "Null actor!");
return object->parent;
}
PluginScriptableObjectParent* actor;
if (mScriptableObjects.Get(aObject, &actor)) {
return actor;
}
actor = new PluginScriptableObjectParent(LocalObject);
if (!actor) {
NS_ERROR("Out of memory!");
return nsnull;
}
if (!SendPPluginScriptableObjectConstructor(actor)) {
NS_WARNING("Failed to send constructor message!");
return nsnull;
}
actor->InitializeLocal(aObject);
return actor;
}
bool
PluginInstanceParent::AnswerNPN_PushPopupsEnabledState(const bool& aState)
{
mNPNIface->pushpopupsenabledstate(mNPP, aState ? 1 : 0);
return true;
}
bool
PluginInstanceParent::AnswerNPN_PopPopupsEnabledState()
{
mNPNIface->poppopupsenabledstate(mNPP);
return true;
}
bool
PluginInstanceParent::AnswerNPN_GetValueForURL(const NPNURLVariable& variable,
const nsCString& url,
nsCString* value,
NPError* result)
{
char* v;
uint32_t len;
*result = mNPNIface->getvalueforurl(mNPP, (NPNURLVariable) variable,
url.get(), &v, &len);
if (NPERR_NO_ERROR == *result)
value->Adopt(v, len);
return true;
}
bool
PluginInstanceParent::AnswerNPN_SetValueForURL(const NPNURLVariable& variable,
const nsCString& url,
const nsCString& value,
NPError* result)
{
*result = mNPNIface->setvalueforurl(mNPP, (NPNURLVariable) variable,
url.get(), value.get(),
value.Length());
return true;
}
bool
PluginInstanceParent::AnswerNPN_GetAuthenticationInfo(const nsCString& protocol,
const nsCString& host,
const int32_t& port,
const nsCString& scheme,
const nsCString& realm,
nsCString* username,
nsCString* password,
NPError* result)
{
char* u;
uint32_t ulen;
char* p;
uint32_t plen;
*result = mNPNIface->getauthenticationinfo(mNPP, protocol.get(),
host.get(), port,
scheme.get(), realm.get(),
&u, &ulen, &p, &plen);
if (NPERR_NO_ERROR == *result) {
username->Adopt(u, ulen);
password->Adopt(p, plen);
}
return true;
}
bool
PluginInstanceParent::AnswerNPN_ConvertPoint(const double& sourceX,
const double& sourceY,
const NPCoordinateSpace& sourceSpace,
const NPCoordinateSpace& destSpace,
double *destX,
bool *ignoreDestX,
double *destY,
bool *ignoreDestY,
bool *result)
{
*result = mNPNIface->convertpoint(mNPP, sourceX, sourceY, sourceSpace,
ignoreDestX ? nsnull : destX,
ignoreDestY ? nsnull : destY,
destSpace);
return true;
}
#if defined(OS_WIN)
/*
plugin focus changes between processes
focus from dom -> child:
Focus manager calls on widget to set the focus on the window.
We pick up the resulting wm_setfocus event here, and forward
that over ipc to the child which calls set focus on itself.
focus from child -> focus manager:
Child picks up the local wm_setfocus and sends it via ipc over
here. We then post a custom event to widget/src/windows/nswindow
which fires off a gui event letting the browser know.
*/
static const PRUnichar kPluginInstanceParentProperty[] =
L"PluginInstanceParentProperty";
// static
LRESULT CALLBACK
PluginInstanceParent::PluginWindowHookProc(HWND hWnd,
UINT message,
WPARAM wParam,
LPARAM lParam)
{
PluginInstanceParent* self = reinterpret_cast<PluginInstanceParent*>(
::GetPropW(hWnd, kPluginInstanceParentProperty));
if (!self) {
NS_NOTREACHED("PluginInstanceParent::PluginWindowHookProc null this ptr!");
return DefWindowProc(hWnd, message, wParam, lParam);
}
NS_ASSERTION(self->mPluginHWND == hWnd, "Wrong window!");
switch (message) {
case WM_SETFOCUS:
// Let the child plugin window know it should take focus.
self->CallSetPluginFocus();
break;
case WM_CLOSE:
self->UnsubclassPluginWindow();
break;
}
return ::CallWindowProc(self->mPluginWndProc, hWnd, message, wParam,
lParam);
}
void
PluginInstanceParent::SubclassPluginWindow(HWND aWnd)
{
NS_ASSERTION(!(mPluginHWND && aWnd != mPluginHWND),
"PluginInstanceParent::SubclassPluginWindow hwnd is not our window!");
if (!mPluginHWND) {
mPluginHWND = aWnd;
mPluginWndProc =
(WNDPROC)::SetWindowLongPtrA(mPluginHWND, GWLP_WNDPROC,
reinterpret_cast<LONG>(PluginWindowHookProc));
bool bRes = ::SetPropW(mPluginHWND, kPluginInstanceParentProperty, this);
NS_ASSERTION(mPluginWndProc,
"PluginInstanceParent::SubclassPluginWindow failed to set subclass!");
NS_ASSERTION(bRes,
"PluginInstanceParent::SubclassPluginWindow failed to set prop!");
}
}
void
PluginInstanceParent::UnsubclassPluginWindow()
{
if (mPluginHWND && mPluginWndProc) {
::SetWindowLongPtrA(mPluginHWND, GWLP_WNDPROC,
reinterpret_cast<LONG>(mPluginWndProc));
::RemovePropW(mPluginHWND, kPluginInstanceParentProperty);
mPluginWndProc = NULL;
mPluginHWND = NULL;
}
}
/* windowless drawing helpers */
/*
* Origin info:
*
* windowless, offscreen:
*
* WM_WINDOWPOSCHANGED: origin is relative to container
* setwindow: origin is 0,0
* WM_PAINT: origin is 0,0
*
* windowless, native:
*
* WM_WINDOWPOSCHANGED: origin is relative to container
* setwindow: origin is relative to container
* WM_PAINT: origin is relative to container
*
* PluginInstanceParent:
*
* painting: mPluginPort (nsIntRect, saved in SetWindow)
*/
void
PluginInstanceParent::SharedSurfaceRelease()
{
mSharedSurfaceDib.Close();
}
bool
PluginInstanceParent::SharedSurfaceSetWindow(const NPWindow* aWindow,
NPRemoteWindow& aRemoteWindow)
{
aRemoteWindow.window = nsnull;
aRemoteWindow.x = 0;
aRemoteWindow.y = 0;
aRemoteWindow.width = aWindow->width;
aRemoteWindow.height = aWindow->height;
aRemoteWindow.type = aWindow->type;
nsIntRect newPort(aWindow->x, aWindow->y, aWindow->width, aWindow->height);
// save the the rect location within the browser window.
mPluginPort = newPort;
// move the port to our shared surface origin
newPort.MoveTo(0,0);
// check to see if we have the room in shared surface
if (mSharedSurfaceDib.IsValid() && mSharedSize.Contains(newPort)) {
// ok to paint
aRemoteWindow.surfaceHandle = 0;
return true;
}
// allocate a new shared surface
SharedSurfaceRelease();
if (NS_FAILED(mSharedSurfaceDib.Create(reinterpret_cast<HDC>(aWindow->window),
newPort.width, newPort.height, 32)))
return false;
// save the new shared surface size we just allocated
mSharedSize = newPort;
base::SharedMemoryHandle handle;
if (NS_FAILED(mSharedSurfaceDib.ShareToProcess(mParent->ChildProcessHandle(), &handle)))
return false;
aRemoteWindow.surfaceHandle = handle;
return true;
}
void
PluginInstanceParent::SharedSurfaceBeforePaint(RECT& rect,
NPRemoteEvent& npremoteevent)
{
RECT* dr = (RECT*)npremoteevent.event.lParam;
HDC parentHdc = (HDC)npremoteevent.event.wParam;
nsIntRect dirtyRect(dr->left, dr->top, dr->right-dr->left, dr->bottom-dr->top);
dirtyRect.MoveBy(-mPluginPort.x, -mPluginPort.y); // should always be smaller than dirtyRect
::BitBlt(mSharedSurfaceDib.GetHDC(),
dirtyRect.x,
dirtyRect.y,
dirtyRect.width,
dirtyRect.height,
parentHdc,
dr->left,
dr->top,
SRCCOPY);
// setup the translated dirty rect we'll send to the child
rect.left = dirtyRect.x;
rect.top = dirtyRect.y;
rect.right = dirtyRect.x + dirtyRect.width;
rect.bottom = dirtyRect.y + dirtyRect.height;
npremoteevent.event.wParam = WPARAM(0);
npremoteevent.event.lParam = LPARAM(&rect);
}
void
PluginInstanceParent::SharedSurfaceAfterPaint(NPEvent* npevent)
{
RECT* dr = (RECT*)npevent->lParam;
HDC parentHdc = (HDC)npevent->wParam;
nsIntRect dirtyRect(dr->left, dr->top, dr->right-dr->left, dr->bottom-dr->top);
dirtyRect.MoveBy(-mPluginPort.x, -mPluginPort.y);
// src copy the shared dib into the parent surface we are handed.
::BitBlt(parentHdc,
dr->left,
dr->top,
dirtyRect.width,
dirtyRect.height,
mSharedSurfaceDib.GetHDC(),
dirtyRect.x,
dirtyRect.y,
SRCCOPY);
}
#endif // defined(OS_WIN)
bool
PluginInstanceParent::AnswerPluginGotFocus()
{
PLUGIN_LOG_DEBUG(("%s", FULLFUNCTION));
// Currently only in use on windows - an rpc event we receive from the
// child when it's plugin window (or one of it's children) receives keyboard
// focus. We forward the event down to widget so the dom/focus manager can
// be updated.
#if defined(OS_WIN)
::SendMessage(mPluginHWND, gOOPPPluginFocusEvent, 0, 0);
return true;
#else
NS_NOTREACHED("PluginInstanceParent::AnswerPluginGotFocus not implemented!");
return false;
#endif
}
bool
PluginInstanceParent::RecvSetNestedEventState(const bool& aState)
{
PLUGIN_LOG_DEBUG(("%s state=%i", FULLFUNCTION, (int)aState));
#if defined(OS_WIN)
PostThreadMessage(GetCurrentThreadId(), aState ?
gOOPPSpinNativeLoopEvent : gOOPPStopNativeLoopEvent, 0, 0);
mNestedEventState = aState;
return true;
#else
NS_NOTREACHED(
"PluginInstanceParent::AnswerSetNestedEventState not implemented!");
return false;
#endif
}
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