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gecko/dom/plugins/ipc/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 :
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "mozilla/DebugOnly.h"
#include <stdint.h> // for intptr_t
#include "mozilla/Preferences.h"
#include "mozilla/Telemetry.h"
#include "PluginInstanceParent.h"
#include "BrowserStreamParent.h"
#include "PluginAsyncSurrogate.h"
#include "PluginBackgroundDestroyer.h"
#include "PluginModuleParent.h"
#include "PluginStreamParent.h"
#include "StreamNotifyParent.h"
#include "npfunctions.h"
#include "nsAutoPtr.h"
#include "gfxASurface.h"
#include "gfxContext.h"
#include "gfxPlatform.h"
#include "gfxSharedImageSurface.h"
#include "nsNetUtil.h"
#include "nsNPAPIPluginInstance.h"
#include "nsPluginInstanceOwner.h"
#include "nsFocusManager.h"
#include "nsIDOMElement.h"
#ifdef MOZ_X11
#include "gfxXlibSurface.h"
#endif
#include "gfxContext.h"
#include "gfxColor.h"
#include "gfxUtils.h"
#include "mozilla/gfx/2D.h"
#include "Layers.h"
#include "ImageContainer.h"
#include "GLContext.h"
#include "GLContextProvider.h"
#ifdef XP_MACOSX
#include "MacIOSurfaceImage.h"
#endif
#if defined(OS_WIN)
#include <windowsx.h>
#include "gfxWindowsPlatform.h"
#include "mozilla/plugins/PluginSurfaceParent.h"
#include "nsClassHashtable.h"
#include "nsHashKeys.h"
#include "nsIWidget.h"
#include "nsPluginNativeWindow.h"
#include "PluginQuirks.h"
extern const wchar_t* kFlashFullscreenClass;
#elif defined(MOZ_WIDGET_GTK)
#include <gdk/gdk.h>
#elif defined(XP_MACOSX)
#include <ApplicationServices/ApplicationServices.h>
#endif // defined(XP_MACOSX)
// This is the pref used to determine whether to use Shumway on a Flash object
// (when Shumway is enabled).
static const char kShumwayWhitelistPref[] = "shumway.swf.whitelist";
using namespace mozilla::plugins;
using namespace mozilla::layers;
using namespace mozilla::gl;
void
StreamNotifyParent::ActorDestroy(ActorDestroyReason aWhy)
{
// Implement me! Bug 1005162
}
bool
StreamNotifyParent::RecvRedirectNotifyResponse(const bool& allow)
{
PluginInstanceParent* instance = static_cast<PluginInstanceParent*>(Manager());
instance->mNPNIface->urlredirectresponse(instance->mNPP, this, static_cast<NPBool>(allow));
return true;
}
#if defined(XP_WIN)
namespace mozilla {
namespace plugins {
/**
* e10s specific, used in cross referencing hwnds with plugin instances so we
* can access methods here from PluginWidgetChild.
*/
static nsClassHashtable<nsVoidPtrHashKey, PluginInstanceParent>* sPluginInstanceList;
// static
PluginInstanceParent*
PluginInstanceParent::LookupPluginInstanceByID(uintptr_t aId)
{
MOZ_ASSERT(NS_IsMainThread());
if (sPluginInstanceList) {
return sPluginInstanceList->Get((void*)aId);
}
return nullptr;
}
}
}
#endif
PluginInstanceParent::PluginInstanceParent(PluginModuleParent* parent,
NPP npp,
const nsCString& aMimeType,
const NPNetscapeFuncs* npniface)
: mParent(parent)
, mSurrogate(PluginAsyncSurrogate::Cast(npp))
, mUseSurrogate(true)
, mNPP(npp)
, mNPNIface(npniface)
, mIsWhitelistedForShumway(false)
, mWindowType(NPWindowTypeWindow)
, mDrawingModel(kDefaultDrawingModel)
#if defined(OS_WIN)
, mPluginHWND(nullptr)
, mChildPluginHWND(nullptr)
, mChildPluginsParentHWND(nullptr)
, mPluginWndProc(nullptr)
, mNestedEventState(false)
#endif // defined(XP_WIN)
#if defined(XP_MACOSX)
, mShWidth(0)
, mShHeight(0)
, mShColorSpace(nullptr)
#endif
{
#if defined(OS_WIN)
if (!sPluginInstanceList) {
sPluginInstanceList = new nsClassHashtable<nsVoidPtrHashKey, PluginInstanceParent>();
}
#endif
}
PluginInstanceParent::~PluginInstanceParent()
{
if (mNPP)
mNPP->pdata = nullptr;
#if defined(OS_WIN)
NS_ASSERTION(!(mPluginHWND || mPluginWndProc),
"Subclass was not reset correctly before the dtor was reached!");
#endif
#if defined(MOZ_WIDGET_COCOA)
if (mShWidth != 0 && mShHeight != 0) {
DeallocShmem(mShSurface);
}
if (mShColorSpace)
::CGColorSpaceRelease(mShColorSpace);
#endif
}
bool
PluginInstanceParent::InitMetadata(const nsACString& aMimeType,
const nsACString& aSrcAttribute)
{
if (aSrcAttribute.IsEmpty()) {
return false;
}
// Ensure that the src attribute is absolute
nsRefPtr<nsPluginInstanceOwner> owner = GetOwner();
if (!owner) {
return false;
}
nsCOMPtr<nsIURI> baseUri(owner->GetBaseURI());
return NS_SUCCEEDED(NS_MakeAbsoluteURI(mSrcAttribute, aSrcAttribute, baseUri));
}
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();
}
#endif
if (mFrontSurface) {
mFrontSurface = nullptr;
if (mImageContainer) {
mImageContainer->ClearAllImages();
}
#ifdef MOZ_X11
FinishX(DefaultXDisplay());
#endif
}
}
NPError
PluginInstanceParent::Destroy()
{
NPError retval;
{ // Scope for timer
Telemetry::AutoTimer<Telemetry::BLOCKED_ON_PLUGIN_INSTANCE_DESTROY_MS>
timer(Module()->GetHistogramKey());
if (!CallNPP_Destroy(&retval)) {
retval = NPERR_GENERIC_ERROR;
}
}
#if defined(OS_WIN)
SharedSurfaceRelease();
UnsubclassPluginWindow();
#endif
return retval;
}
PBrowserStreamParent*
PluginInstanceParent::AllocPBrowserStreamParent(const nsCString& url,
const uint32_t& length,
const uint32_t& lastmodified,
PStreamNotifyParent* notifyData,
const nsCString& headers)
{
NS_RUNTIMEABORT("Not reachable");
return nullptr;
}
bool
PluginInstanceParent::DeallocPBrowserStreamParent(PBrowserStreamParent* stream)
{
delete stream;
return true;
}
PPluginStreamParent*
PluginInstanceParent::AllocPPluginStreamParent(const nsCString& mimeType,
const nsCString& target,
NPError* result)
{
return new PluginStreamParent(this, mimeType, target, result);
}
bool
PluginInstanceParent::DeallocPPluginStreamParent(PPluginStreamParent* stream)
{
delete stream;
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_DARWIN)
intptr_t id;
#elif defined(ANDROID)
// TODO: Need Android impl
int id;
#elif defined(MOZ_WIDGET_QT)
// TODO: Need Qt non X impl
int 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 = nullptr;
*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_GetValue_DrawingModelSupport(const NPNVariable& model, bool* value)
{
*value = false;
return true;
}
bool
PluginInstanceParent::AnswerNPN_GetValue_NPNVdocumentOrigin(nsCString* value,
NPError* result)
{
void *v = nullptr;
*result = mNPNIface->getvalue(mNPP, NPNVdocumentOrigin, &v);
if (*result == NPERR_NO_ERROR && v) {
value->Adopt(static_cast<char*>(v));
}
return true;
}
bool
PluginInstanceParent::AnswerNPN_SetValue_NPPVpluginWindow(
const bool& windowed, NPError* result)
{
// Yes, we are passing a boolean as a void*. We have to cast to intptr_t
// first to avoid gcc warnings about casting to a pointer from a
// non-pointer-sized integer.
*result = mNPNIface->setvalue(mNPP, NPPVpluginWindowBool,
(void*)(intptr_t)windowed);
return true;
}
bool
PluginInstanceParent::AnswerNPN_SetValue_NPPVpluginTransparent(
const bool& transparent, NPError* result)
{
*result = mNPNIface->setvalue(mNPP, NPPVpluginTransparentBool,
(void*)(intptr_t)transparent);
return true;
}
bool
PluginInstanceParent::AnswerNPN_SetValue_NPPVpluginUsesDOMForCursor(
const bool& useDOMForCursor, NPError* result)
{
*result = mNPNIface->setvalue(mNPP, NPPVpluginUsesDOMForCursorBool,
(void*)(intptr_t)useDOMForCursor);
return true;
}
bool
PluginInstanceParent::AnswerNPN_SetValue_NPPVpluginDrawingModel(
const int& drawingModel, NPError* result)
{
#ifdef XP_MACOSX
if (drawingModel == NPDrawingModelCoreAnimation ||
drawingModel == NPDrawingModelInvalidatingCoreAnimation) {
// We need to request CoreGraphics otherwise
// the nsPluginFrame will try to draw a CALayer
// that can not be shared across process.
mDrawingModel = drawingModel;
*result = mNPNIface->setvalue(mNPP, NPPVpluginDrawingModel,
(void*)NPDrawingModelCoreGraphics);
} else
#endif
if (
#if defined(XP_WIN)
drawingModel == NPDrawingModelSyncWin
#elif defined(XP_MACOSX)
drawingModel == NPDrawingModelOpenGL ||
drawingModel == NPDrawingModelCoreGraphics
#elif defined(MOZ_X11)
drawingModel == NPDrawingModelSyncX
#else
false
#endif
) {
mDrawingModel = drawingModel;
*result = mNPNIface->setvalue(mNPP, NPPVpluginDrawingModel,
(void*)(intptr_t)drawingModel);
} else {
*result = NPERR_GENERIC_ERROR;
}
return true;
}
bool
PluginInstanceParent::AnswerNPN_SetValue_NPPVpluginEventModel(
const int& eventModel, NPError* result)
{
#ifdef XP_MACOSX
*result = mNPNIface->setvalue(mNPP, NPPVpluginEventModel,
(void*)(intptr_t)eventModel);
return true;
#else
*result = NPERR_GENERIC_ERROR;
return true;
#endif
}
bool
PluginInstanceParent::AnswerNPN_SetValue_NPPVpluginIsPlayingAudio(
const bool& isAudioPlaying, NPError* result)
{
*result = mNPNIface->setvalue(mNPP, NPPVpluginIsPlayingAudio,
(void*)(intptr_t)isAudioPlaying);
return true;
}
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::AllocPStreamNotifyParent(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) {
// If the stream was destroyed, we must return an error code in the
// constructor.
*result = NPERR_GENERIC_ERROR;
}
else {
static_cast<StreamNotifyParent*>(actor)->ClearDestructionFlag();
if (*result != NPERR_NO_ERROR)
return PStreamNotifyParent::Send__delete__(actor,
NPERR_GENERIC_ERROR);
}
return true;
}
bool
PluginInstanceParent::DeallocPStreamNotifyParent(PStreamNotifyParent* notifyData)
{
delete notifyData;
return true;
}
bool
PluginInstanceParent::RecvNPN_InvalidateRect(const NPRect& rect)
{
mNPNIface->invalidaterect(mNPP, const_cast<NPRect*>(&rect));
return true;
}
bool
PluginInstanceParent::RecvShow(const NPRect& updatedRect,
const SurfaceDescriptor& newSurface,
SurfaceDescriptor* prevSurface)
{
PLUGIN_LOG_DEBUG(
("[InstanceParent][%p] RecvShow for <x=%d,y=%d, w=%d,h=%d>",
this, updatedRect.left, updatedRect.top,
updatedRect.right - updatedRect.left,
updatedRect.bottom - updatedRect.top));
// XXXjwatt rewrite to use Moz2D
nsRefPtr<gfxASurface> surface;
if (newSurface.type() == SurfaceDescriptor::TShmem) {
if (!newSurface.get_Shmem().IsReadable()) {
NS_WARNING("back surface not readable");
return false;
}
surface = gfxSharedImageSurface::Open(newSurface.get_Shmem());
}
#ifdef XP_MACOSX
else if (newSurface.type() == SurfaceDescriptor::TIOSurfaceDescriptor) {
IOSurfaceDescriptor iodesc = newSurface.get_IOSurfaceDescriptor();
RefPtr<MacIOSurface> newIOSurface =
MacIOSurface::LookupSurface(iodesc.surfaceId(),
iodesc.contentsScaleFactor());
if (!newIOSurface) {
NS_WARNING("Got bad IOSurfaceDescriptor in RecvShow");
return false;
}
if (mFrontIOSurface)
*prevSurface = IOSurfaceDescriptor(mFrontIOSurface->GetIOSurfaceID(),
mFrontIOSurface->GetContentsScaleFactor());
else
*prevSurface = null_t();
mFrontIOSurface = newIOSurface;
RecvNPN_InvalidateRect(updatedRect);
PLUGIN_LOG_DEBUG((" (RecvShow invalidated for surface %p)",
mFrontSurface.get()));
return true;
}
#endif
#ifdef MOZ_X11
else if (newSurface.type() == SurfaceDescriptor::TSurfaceDescriptorX11) {
surface = newSurface.get_SurfaceDescriptorX11().OpenForeign();
}
#endif
#ifdef XP_WIN
else if (newSurface.type() == SurfaceDescriptor::TPPluginSurfaceParent) {
PluginSurfaceParent* s =
static_cast<PluginSurfaceParent*>(newSurface.get_PPluginSurfaceParent());
surface = s->Surface();
}
#endif
if (mFrontSurface) {
// This is the "old front buffer" we're about to hand back to
// the plugin. We might still have drawing operations
// referencing it.
#ifdef MOZ_X11
if (mFrontSurface->GetType() == gfxSurfaceType::Xlib) {
// Finish with the surface and XSync here to ensure the server has
// finished operations on the surface before the plugin starts
// scribbling on it again, or worse, destroys it.
mFrontSurface->Finish();
FinishX(DefaultXDisplay());
} else
#endif
{
mFrontSurface->Flush();
}
}
if (mFrontSurface && gfxSharedImageSurface::IsSharedImage(mFrontSurface))
*prevSurface = static_cast<gfxSharedImageSurface*>(mFrontSurface.get())->GetShmem();
else
*prevSurface = null_t();
if (surface) {
// Notify the cairo backend that this surface has changed behind
// its back.
gfxRect ur(updatedRect.left, updatedRect.top,
updatedRect.right - updatedRect.left,
updatedRect.bottom - updatedRect.top);
surface->MarkDirty(ur);
ImageContainer *container = GetImageContainer();
nsRefPtr<Image> image = container->CreateImage(ImageFormat::CAIRO_SURFACE);
NS_ASSERTION(image->GetFormat() == ImageFormat::CAIRO_SURFACE, "Wrong format?");
CairoImage* cairoImage = static_cast<CairoImage*>(image.get());
CairoImage::Data cairoData;
cairoData.mSize = surface->GetSize();
cairoData.mSourceSurface = gfxPlatform::GetPlatform()->GetSourceSurfaceForSurface(nullptr, surface);
cairoImage->SetData(cairoData);
nsAutoTArray<ImageContainer::NonOwningImage,1> imageList;
imageList.AppendElement(
ImageContainer::NonOwningImage(image));
container->SetCurrentImages(imageList);
}
else if (mImageContainer) {
mImageContainer->ClearAllImages();
}
mFrontSurface = surface;
RecvNPN_InvalidateRect(updatedRect);
PLUGIN_LOG_DEBUG((" (RecvShow invalidated for surface %p)",
mFrontSurface.get()));
return true;
}
nsresult
PluginInstanceParent::AsyncSetWindow(NPWindow* aWindow)
{
NPRemoteWindow window;
mWindowType = aWindow->type;
window.window = reinterpret_cast<uint64_t>(aWindow->window);
window.x = aWindow->x;
window.y = aWindow->y;
window.width = aWindow->width;
window.height = aWindow->height;
window.clipRect = aWindow->clipRect;
window.type = aWindow->type;
#ifdef XP_MACOSX
double scaleFactor = 1.0;
mNPNIface->getvalue(mNPP, NPNVcontentsScaleFactor, &scaleFactor);
window.contentsScaleFactor = scaleFactor;
#endif
#if defined(OS_WIN)
MaybeCreateChildPopupSurrogate();
#endif
if (!SendAsyncSetWindow(gfxPlatform::GetPlatform()->ScreenReferenceSurface()->GetType(),
window))
return NS_ERROR_FAILURE;
return NS_OK;
}
nsresult
PluginInstanceParent::GetImageContainer(ImageContainer** aContainer)
{
#ifdef XP_MACOSX
MacIOSurface* ioSurface = nullptr;
if (mFrontIOSurface) {
ioSurface = mFrontIOSurface;
} else if (mIOSurface) {
ioSurface = mIOSurface;
}
if (!mFrontSurface && !ioSurface)
#else
if (!mFrontSurface)
#endif
return NS_ERROR_NOT_AVAILABLE;
ImageContainer *container = GetImageContainer();
if (!container) {
return NS_ERROR_FAILURE;
}
#ifdef XP_MACOSX
if (ioSurface) {
nsRefPtr<Image> image = container->CreateImage(ImageFormat::MAC_IOSURFACE);
if (!image) {
return NS_ERROR_FAILURE;
}
NS_ASSERTION(image->GetFormat() == ImageFormat::MAC_IOSURFACE, "Wrong format?");
MacIOSurfaceImage* pluginImage = static_cast<MacIOSurfaceImage*>(image.get());
pluginImage->SetSurface(ioSurface);
container->SetCurrentImageInTransaction(pluginImage);
NS_IF_ADDREF(container);
*aContainer = container;
return NS_OK;
}
#endif
NS_IF_ADDREF(container);
*aContainer = container;
return NS_OK;
}
nsresult
PluginInstanceParent::GetImageSize(nsIntSize* aSize)
{
if (mFrontSurface) {
gfxIntSize size = mFrontSurface->GetSize();
*aSize = nsIntSize(size.width, size.height);
return NS_OK;
}
#ifdef XP_MACOSX
if (mFrontIOSurface) {
*aSize = nsIntSize(mFrontIOSurface->GetWidth(), mFrontIOSurface->GetHeight());
return NS_OK;
} else if (mIOSurface) {
*aSize = nsIntSize(mIOSurface->GetWidth(), mIOSurface->GetHeight());
return NS_OK;
}
#endif
return NS_ERROR_NOT_AVAILABLE;
}
#ifdef XP_MACOSX
nsresult
PluginInstanceParent::IsRemoteDrawingCoreAnimation(bool *aDrawing)
{
*aDrawing = (NPDrawingModelCoreAnimation == (NPDrawingModel)mDrawingModel ||
NPDrawingModelInvalidatingCoreAnimation == (NPDrawingModel)mDrawingModel);
return NS_OK;
}
nsresult
PluginInstanceParent::ContentsScaleFactorChanged(double aContentsScaleFactor)
{
bool rv = SendContentsScaleFactorChanged(aContentsScaleFactor);
return rv ? NS_OK : NS_ERROR_FAILURE;
}
#endif // #ifdef XP_MACOSX
nsresult
PluginInstanceParent::SetBackgroundUnknown()
{
PLUGIN_LOG_DEBUG(("[InstanceParent][%p] SetBackgroundUnknown", this));
if (mBackground) {
DestroyBackground();
MOZ_ASSERT(!mBackground, "Background not destroyed");
}
return NS_OK;
}
nsresult
PluginInstanceParent::BeginUpdateBackground(const nsIntRect& aRect,
gfxContext** aCtx)
{
PLUGIN_LOG_DEBUG(
("[InstanceParent][%p] BeginUpdateBackground for <x=%d,y=%d, w=%d,h=%d>",
this, aRect.x, aRect.y, aRect.width, aRect.height));
if (!mBackground) {
// XXX if we failed to create a background surface on one
// update, there's no guarantee that later updates will be for
// the entire background area until successful. We might want
// to fix that eventually.
MOZ_ASSERT(aRect.TopLeft() == nsIntPoint(0, 0),
"Expecting rect for whole frame");
if (!CreateBackground(aRect.Size())) {
*aCtx = nullptr;
return NS_OK;
}
}
gfxIntSize sz = mBackground->GetSize();
#ifdef DEBUG
MOZ_ASSERT(nsIntRect(0, 0, sz.width, sz.height).Contains(aRect),
"Update outside of background area");
#endif
RefPtr<gfx::DrawTarget> dt = gfxPlatform::GetPlatform()->
CreateDrawTargetForSurface(mBackground, gfx::IntSize(sz.width, sz.height));
nsRefPtr<gfxContext> ctx = new gfxContext(dt);
ctx.forget(aCtx);
return NS_OK;
}
nsresult
PluginInstanceParent::EndUpdateBackground(gfxContext* aCtx,
const nsIntRect& aRect)
{
PLUGIN_LOG_DEBUG(
("[InstanceParent][%p] EndUpdateBackground for <x=%d,y=%d, w=%d,h=%d>",
this, aRect.x, aRect.y, aRect.width, aRect.height));
#ifdef MOZ_X11
// Have to XSync here to avoid the plugin trying to draw with this
// surface racing with its creation in the X server. We also want
// to avoid the plugin drawing onto stale pixels, then handing us
// back a front surface from those pixels that we might
// recomposite for "a while" until the next update. This XSync
// still doesn't guarantee that the plugin draws onto a consistent
// view of its background, but it does mean that the plugin is
// drawing onto pixels no older than those in the latest
// EndUpdateBackground().
XSync(DefaultXDisplay(), False);
#endif
unused << SendUpdateBackground(BackgroundDescriptor(), aRect);
return NS_OK;
}
PluginAsyncSurrogate*
PluginInstanceParent::GetAsyncSurrogate()
{
return mSurrogate;
}
bool
PluginInstanceParent::CreateBackground(const nsIntSize& aSize)
{
MOZ_ASSERT(!mBackground, "Already have a background");
// XXX refactor me
#if defined(MOZ_X11)
Screen* screen = DefaultScreenOfDisplay(DefaultXDisplay());
Visual* visual = DefaultVisualOfScreen(screen);
mBackground = gfxXlibSurface::Create(screen, visual,
gfxIntSize(aSize.width, aSize.height));
return !!mBackground;
#elif defined(XP_WIN)
// We have chosen to create an unsafe surface in which the plugin
// can read from the region while we're writing to it.
mBackground =
gfxSharedImageSurface::CreateUnsafe(
this,
gfxIntSize(aSize.width, aSize.height),
gfxImageFormat::RGB24);
return !!mBackground;
#else
return false;
#endif
}
void
PluginInstanceParent::DestroyBackground()
{
if (!mBackground) {
return;
}
// Relinquish ownership of |mBackground| to its destroyer
PPluginBackgroundDestroyerParent* pbd =
new PluginBackgroundDestroyerParent(mBackground);
mBackground = nullptr;
// If this fails, there's no problem: |bd| will be destroyed along
// with the old background surface.
unused << SendPPluginBackgroundDestroyerConstructor(pbd);
}
mozilla::plugins::SurfaceDescriptor
PluginInstanceParent::BackgroundDescriptor()
{
MOZ_ASSERT(mBackground, "Need a background here");
// XXX refactor me
#ifdef MOZ_X11
gfxXlibSurface* xsurf = static_cast<gfxXlibSurface*>(mBackground.get());
return SurfaceDescriptorX11(xsurf);
#endif
#ifdef XP_WIN
MOZ_ASSERT(gfxSharedImageSurface::IsSharedImage(mBackground),
"Expected shared image surface");
gfxSharedImageSurface* shmem =
static_cast<gfxSharedImageSurface*>(mBackground.get());
return shmem->GetShmem();
#endif
// If this is ever used, which it shouldn't be, it will trigger a
// hard assertion in IPDL-generated code.
return mozilla::plugins::SurfaceDescriptor();
}
ImageContainer*
PluginInstanceParent::GetImageContainer()
{
if (mImageContainer) {
return mImageContainer;
}
mImageContainer = LayerManager::CreateImageContainer();
return mImageContainer;
}
PPluginBackgroundDestroyerParent*
PluginInstanceParent::AllocPPluginBackgroundDestroyerParent()
{
NS_RUNTIMEABORT("'Power-user' ctor is used exclusively");
return nullptr;
}
bool
PluginInstanceParent::DeallocPPluginBackgroundDestroyerParent(
PPluginBackgroundDestroyerParent* aActor)
{
delete aActor;
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;
}
MaybeCreateChildPopupSurrogate();
} else {
SubclassPluginWindow(reinterpret_cast<HWND>(aWindow->window));
// Skip SetWindow call for hidden QuickTime plugins.
if ((mParent->GetQuirks() & QUIRK_QUICKTIME_AVOID_SETWINDOW) &&
aWindow->width == 0 && aWindow->height == 0) {
return NPERR_NO_ERROR;
}
window.window = reinterpret_cast<uint64_t>(aWindow->window);
window.x = aWindow->x;
window.y = aWindow->y;
window.width = aWindow->width;
window.height = aWindow->height;
window.type = aWindow->type;
// On Windows we need to create and set the parent before we set the
// window on the plugin, or keyboard interaction will not work.
if (!MaybeCreateAndParentChildPluginWindow()) {
return NPERR_GENERIC_ERROR;
}
}
#else
window.window = reinterpret_cast<uint64_t>(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)
double floatScaleFactor = 1.0;
mNPNIface->getvalue(mNPP, NPNVcontentsScaleFactor, &floatScaleFactor);
int scaleFactor = ceil(floatScaleFactor);
window.contentsScaleFactor = floatScaleFactor;
if (mShWidth != window.width * scaleFactor || mShHeight != window.height * scaleFactor) {
if (mDrawingModel == NPDrawingModelCoreAnimation ||
mDrawingModel == NPDrawingModelInvalidatingCoreAnimation) {
mIOSurface = MacIOSurface::CreateIOSurface(window.width, window.height,
floatScaleFactor);
} else if (uint32_t(mShWidth * mShHeight) !=
window.width * scaleFactor * window.height * scaleFactor) {
if (mShWidth != 0 && mShHeight != 0) {
DeallocShmem(mShSurface);
mShWidth = 0;
mShHeight = 0;
}
if (window.width != 0 && window.height != 0) {
if (!AllocShmem(window.width * scaleFactor * window.height*4 * scaleFactor,
SharedMemory::TYPE_BASIC, &mShSurface)) {
PLUGIN_LOG_DEBUG(("Shared memory could not be allocated."));
return NPERR_GENERIC_ERROR;
}
}
}
mShWidth = window.width * scaleFactor;
mShHeight = window.height * scaleFactor;
}
#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) {
case NPPVpluginWantsAllNetworkStreams: {
bool wantsAllStreams;
NPError rv;
if (!CallNPP_GetValue_NPPVpluginWantsAllNetworkStreams(&wantsAllStreams, &rv)) {
return NPERR_GENERIC_ERROR;
}
if (NPERR_NO_ERROR != rv) {
return rv;
}
(*(NPBool*)_retval) = wantsAllStreams;
return NPERR_NO_ERROR;
}
#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;
}
#ifdef MOZ_ACCESSIBILITY_ATK
case NPPVpluginNativeAccessibleAtkPlugId: {
nsCString plugId;
NPError rv;
if (!CallNPP_GetValue_NPPVpluginNativeAccessibleAtkPlugId(&plugId, &rv)) {
return NPERR_GENERIC_ERROR;
}
if (NPERR_NO_ERROR != rv) {
return rv;
}
(*(nsCString*)_retval) = plugId;
return NPERR_NO_ERROR;
}
#endif
default:
MOZ_LOG(GetPluginLog(), LogLevel::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)
{
NPError result;
switch (variable) {
case NPNVprivateModeBool:
if (!CallNPP_SetValue_NPNVprivateModeBool(*static_cast<NPBool*>(value),
&result))
return NPERR_GENERIC_ERROR;
return result;
case NPNVmuteAudioBool:
if (!CallNPP_SetValue_NPNVmuteAudioBool(*static_cast<NPBool*>(value),
&result))
return NPERR_GENERIC_ERROR;
return result;
default:
NS_ERROR("Unhandled NPNVariable in NPP_SetValue");
MOZ_LOG(GetPluginLog(), LogLevel::Warning,
("In PluginInstanceParent::NPP_SetValue: Unhandled NPNVariable %i (%s)",
(int) variable, NPNVariableToString(variable)));
return NPERR_GENERIC_ERROR;
}
}
void
PluginInstanceParent::NPP_URLRedirectNotify(const char* url, int32_t status,
void* notifyData)
{
if (!notifyData)
return;
PStreamNotifyParent* streamNotify = static_cast<PStreamNotifyParent*>(notifyData);
unused << streamNotify->SendRedirectNotify(NullableString(url), status);
}
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;
#if defined(XP_MACOSX)
double scaleFactor = 1.0;
mNPNIface->getvalue(mNPP, NPNVcontentsScaleFactor, &scaleFactor);
npremoteevent.contentsScaleFactor = scaleFactor;
#endif
int16_t handled = 0;
#if defined(OS_WIN)
if (mWindowType == NPWindowTypeDrawable) {
if (DoublePassRenderingEvent() == npevent->event) {
return CallPaint(npremoteevent, &handled) && handled;
}
switch (npevent->event) {
case WM_PAINT:
{
RECT rect;
SharedSurfaceBeforePaint(rect, npremoteevent);
if (!CallPaint(npremoteevent, &handled)) {
handled = false;
}
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.
wchar_t szClass[26];
HWND hwnd = GetForegroundWindow();
if (hwnd && hwnd != mPluginHWND &&
GetClassNameW(hwnd, szClass,
sizeof(szClass)/sizeof(char16_t)) &&
!wcscmp(szClass, kFlashFullscreenClass)) {
return 0;
}
}
break;
case WM_WINDOWPOSCHANGED:
{
// We send this in nsPluginFrame just before painting
return SendWindowPosChanged(npremoteevent);
}
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.
FinishX(DefaultXDisplay());
return CallPaint(npremoteevent, &handled) ? handled : 0;
case ButtonPress:
// Release any active pointer grab so that the plugin X client can
// grab the pointer if it wishes.
Display *dpy = DefaultXDisplay();
# ifdef MOZ_WIDGET_GTK
// 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;
}
#endif
#ifdef XP_MACOSX
if (npevent->type == NPCocoaEventDrawRect) {
if (mDrawingModel == NPDrawingModelCoreAnimation ||
mDrawingModel == NPDrawingModelInvalidatingCoreAnimation) {
if (!mIOSurface) {
NS_ERROR("No IOSurface allocated.");
return false;
}
if (!CallNPP_HandleEvent_IOSurface(npremoteevent,
mIOSurface->GetIOSurfaceID(),
&handled))
return false; // no good way to handle errors here...
CGContextRef cgContext = npevent->data.draw.context;
if (!mShColorSpace) {
mShColorSpace = CreateSystemColorSpace();
}
if (!mShColorSpace) {
PLUGIN_LOG_DEBUG(("Could not allocate ColorSpace."));
return false;
}
if (cgContext) {
nsCARenderer::DrawSurfaceToCGContext(cgContext, mIOSurface,
mShColorSpace,
npevent->data.draw.x,
npevent->data.draw.y,
npevent->data.draw.width,
npevent->data.draw.height);
}
return true;
} else if (mFrontIOSurface) {
CGContextRef cgContext = npevent->data.draw.context;
if (!mShColorSpace) {
mShColorSpace = CreateSystemColorSpace();
}
if (!mShColorSpace) {
PLUGIN_LOG_DEBUG(("Could not allocate ColorSpace."));
return false;
}
if (cgContext) {
nsCARenderer::DrawSurfaceToCGContext(cgContext, mFrontIOSurface,
mShColorSpace,
npevent->data.draw.x,
npevent->data.draw.y,
npevent->data.draw.width,
npevent->data.draw.height);
}
return true;
} else {
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 false;
}
CGContextRef shContext = ::CGBitmapContextCreate(shContextByte,
mShWidth, mShHeight, 8,
mShWidth*4, mShColorSpace,
kCGImageAlphaPremultipliedFirst |
kCGBitmapByteOrder32Host);
if (!shContext) {
PLUGIN_LOG_DEBUG(("Could not allocate CGBitmapContext."));
return false;
}
CGImageRef shImage = ::CGBitmapContextCreateImage(shContext);
if (shImage) {
CGContextRef cgContext = npevent->data.draw.context;
::CGContextDrawImage(cgContext,
CGRectMake(0,0,mShWidth,mShHeight),
shImage);
::CGImageRelease(shImage);
} else {
::CGContextRelease(shContext);
return false;
}
::CGContextRelease(shContext);
return true;
}
}
#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);
if (!SendPBrowserStreamConstructor(bs,
NullableString(stream->url),
stream->end,
stream->lastmodified,
static_cast<PStreamNotifyParent*>(stream->notifyData),
NullableString(stream->headers))) {
return NPERR_GENERIC_ERROR;
}
Telemetry::AutoTimer<Telemetry::BLOCKED_ON_PLUGIN_STREAM_INIT_MS>
timer(Module()->GetHistogramKey());
NPError err = NPERR_NO_ERROR;
if (mParent->IsStartingAsync()) {
MOZ_ASSERT(mSurrogate);
mSurrogate->AsyncCallDeparting();
if (SendAsyncNPP_NewStream(bs, NullableString(type), seekable)) {
*stype = nsPluginStreamListenerPeer::STREAM_TYPE_UNKNOWN;
} else {
err = NPERR_GENERIC_ERROR;
}
} else {
bs->SetAlive();
if (!CallNPP_NewStream(bs, NullableString(type), seekable, &err, stype)) {
err = NPERR_GENERIC_ERROR;
}
if (NPERR_NO_ERROR != err) {
unused << 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) {
// The stream has already been deleted by other means.
// With async plugin init this could happen if async NPP_NewStream
// returns an error code.
return NPERR_NO_ERROR;
}
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");
return PPluginStreamParent::Call__delete__(sp, reason, false) ?
NPERR_NO_ERROR : NPERR_GENERIC_ERROR;
}
}
void
PluginInstanceParent::NPP_Print(NPPrint* platformPrint)
{
// TODO: implement me
NS_ERROR("Not implemented");
}
PPluginScriptableObjectParent*
PluginInstanceParent::AllocPPluginScriptableObjectParent()
{
return new PluginScriptableObjectParent(Proxy);
}
#ifdef DEBUG
namespace {
struct ActorSearchData
{
PluginScriptableObjectParent* actor;
bool found;
};
PLDHashOperator
ActorSearch(NPObject* 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;
}
} // namespace
#endif // DEBUG
bool
PluginInstanceParent::DeallocPPluginScriptableObjectParent(
PPluginScriptableObjectParent* aObject)
{
PluginScriptableObjectParent* actor =
static_cast<PluginScriptableObjectParent*>(aObject);
NPObject* object = actor->GetObject(false);
if (object) {
NS_ASSERTION(mScriptableObjects.Get(object, nullptr),
"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);
unused << PStreamNotifyParent::Send__delete__(streamNotify, reason);
}
bool
PluginInstanceParent::RegisterNPObjectForActor(
NPObject* aObject,
PluginScriptableObjectParent* aActor)
{
NS_ASSERTION(aObject && aActor, "Null pointers!");
NS_ASSERTION(!mScriptableObjects.Get(aObject, nullptr), "Duplicate entry!");
mScriptableObjects.Put(aObject, aActor);
return true;
}
void
PluginInstanceParent::UnregisterNPObject(NPObject* aObject)
{
NS_ASSERTION(aObject, "Null pointer!");
NS_ASSERTION(mScriptableObjects.Get(aObject, nullptr), "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 nullptr;
}
if (!SendPPluginScriptableObjectConstructor(actor)) {
NS_WARNING("Failed to send constructor message!");
return nullptr;
}
actor->InitializeLocal(aObject);
return actor;
}
PPluginSurfaceParent*
PluginInstanceParent::AllocPPluginSurfaceParent(const WindowsSharedMemoryHandle& handle,
const gfxIntSize& size,
const bool& transparent)
{
#ifdef XP_WIN
return new PluginSurfaceParent(handle, size, transparent);
#else
NS_ERROR("This shouldn't be called!");
return nullptr;
#endif
}
bool
PluginInstanceParent::DeallocPPluginSurfaceParent(PPluginSurfaceParent* s)
{
#ifdef XP_WIN
delete s;
return true;
#else
return false;
#endif
}
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 bool& ignoreDestX,
const double& sourceY,
const bool& ignoreDestY,
const NPCoordinateSpace& sourceSpace,
const NPCoordinateSpace& destSpace,
double *destX,
double *destY,
bool *result)
{
*result = mNPNIface->convertpoint(mNPP, sourceX, sourceY, sourceSpace,
ignoreDestX ? nullptr : destX,
ignoreDestY ? nullptr : destY,
destSpace);
return true;
}
bool
PluginInstanceParent::RecvRedrawPlugin()
{
nsNPAPIPluginInstance *inst = static_cast<nsNPAPIPluginInstance*>(mNPP->ndata);
if (!inst) {
return false;
}
inst->RedrawPlugin();
return true;
}
bool
PluginInstanceParent::RecvNegotiatedCarbon()
{
nsNPAPIPluginInstance *inst = static_cast<nsNPAPIPluginInstance*>(mNPP->ndata);
if (!inst) {
return false;
}
inst->CarbonNPAPIFailure();
return true;
}
nsPluginInstanceOwner*
PluginInstanceParent::GetOwner()
{
nsNPAPIPluginInstance* inst = static_cast<nsNPAPIPluginInstance*>(mNPP->ndata);
if (!inst) {
return nullptr;
}
return inst->GetOwner();
}
bool
PluginInstanceParent::RecvAsyncNPP_NewResult(const NPError& aResult)
{
// NB: mUseSurrogate must be cleared before doing anything else, especially
// calling NPP_SetWindow!
mUseSurrogate = false;
mSurrogate->AsyncCallArriving();
if (aResult == NPERR_NO_ERROR) {
mSurrogate->SetAcceptingCalls(true);
}
// It is possible for a plugin instance to outlive its owner (eg. When a
// PluginDestructionGuard was on the stack at the time the owner was being
// destroyed). We need to handle that case.
nsPluginInstanceOwner* owner = GetOwner();
if (!owner) {
// We can't do anything at this point, just return. Any pending browser
// streams will be cleaned up when the plugin instance is destroyed.
return true;
}
if (aResult != NPERR_NO_ERROR) {
mSurrogate->NotifyAsyncInitFailed();
return true;
}
// Now we need to do a bunch of exciting post-NPP_New housekeeping.
owner->NotifyHostCreateWidget();
MOZ_ASSERT(mSurrogate);
mSurrogate->OnInstanceCreated(this);
return true;
}
bool
PluginInstanceParent::RecvSetNetscapeWindowAsParent(const NativeWindowHandle& childWindow)
{
#if defined(XP_WIN)
nsPluginInstanceOwner* owner = GetOwner();
if (!owner || NS_FAILED(owner->SetNetscapeWindowAsParent(childWindow))) {
NS_WARNING("Failed to set Netscape window as parent.");
}
return true;
#else
NS_NOTREACHED("PluginInstanceParent::RecvSetNetscapeWindowAsParent not implemented!");
return false;
#endif
}
#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/windows/nswindow
which fires off a gui event letting the browser know.
*/
static const wchar_t 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.
unused << self->CallSetPluginFocus();
break;
case WM_CLOSE:
self->UnsubclassPluginWindow();
break;
}
if (self->mPluginWndProc == PluginWindowHookProc) {
NS_NOTREACHED(
"PluginWindowHookProc invoking mPluginWndProc w/"
"mPluginWndProc == PluginWindowHookProc????");
return DefWindowProc(hWnd, message, wParam, lParam);
}
return ::CallWindowProc(self->mPluginWndProc, hWnd, message, wParam,
lParam);
}
void
PluginInstanceParent::SubclassPluginWindow(HWND aWnd)
{
if ((aWnd && mPluginHWND == aWnd) || (!aWnd && mPluginHWND)) {
return;
}
if (XRE_IsContentProcess()) {
if (!aWnd) {
NS_WARNING("PluginInstanceParent::SubclassPluginWindow unexpected null window");
return;
}
mPluginHWND = aWnd; // now a remote window, we can't subclass this
mPluginWndProc = nullptr;
// Note sPluginInstanceList wil delete 'this' if we do not remove
// it on shutdown.
sPluginInstanceList->Put((void*)mPluginHWND, this);
return;
}
NS_ASSERTION(!(mPluginHWND && aWnd != mPluginHWND),
"PluginInstanceParent::SubclassPluginWindow hwnd is not our window!");
mPluginHWND = aWnd;
mPluginWndProc =
(WNDPROC)::SetWindowLongPtrA(mPluginHWND, GWLP_WNDPROC,
reinterpret_cast<LONG_PTR>(PluginWindowHookProc));
DebugOnly<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 (XRE_IsContentProcess()) {
if (mPluginHWND) {
// Remove 'this' from the plugin list safely
nsAutoPtr<PluginInstanceParent> tmp;
MOZ_ASSERT(sPluginInstanceList);
sPluginInstanceList->RemoveAndForget((void*)mPluginHWND, tmp);
tmp.forget();
if (!sPluginInstanceList->Count()) {
delete sPluginInstanceList;
sPluginInstanceList = nullptr;
}
}
mPluginHWND = nullptr;
return;
}
if (mPluginHWND && mPluginWndProc) {
::SetWindowLongPtrA(mPluginHWND, GWLP_WNDPROC,
reinterpret_cast<LONG_PTR>(mPluginWndProc));
::RemovePropW(mPluginHWND, kPluginInstanceParentProperty);
mPluginWndProc = nullptr;
mPluginHWND = nullptr;
}
}
/* 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 = 0;
aRemoteWindow.x = aWindow->x;
aRemoteWindow.y = aWindow->y;
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, false)))
return false;
// save the new shared surface size we just allocated
mSharedSize = newPort;
base::SharedMemoryHandle handle;
if (NS_FAILED(mSharedSurfaceDib.ShareToProcess(OtherPid(), &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);
}
bool
PluginInstanceParent::MaybeCreateAndParentChildPluginWindow()
{
// On Windows we need to create and set the parent before we set the
// window on the plugin, or keyboard interaction will not work.
if (!mChildPluginHWND) {
if (!CallCreateChildPluginWindow(&mChildPluginHWND) ||
!mChildPluginHWND) {
return false;
}
}
// It's not clear if the parent window would ever change, but when this
// was done in the NPAPI child it used to allow for this.
if (mPluginHWND == mChildPluginsParentHWND) {
return true;
}
nsPluginInstanceOwner* owner = GetOwner();
if (!owner) {
// We can't reparent without an owner, the plugin is probably shutting
// down, just return true to allow any calls to continue.
return true;
}
// Note that this call will probably cause a sync native message to the
// process that owns the child window.
owner->SetWidgetWindowAsParent(mChildPluginHWND);
mChildPluginsParentHWND = mPluginHWND;
return true;
}
void
PluginInstanceParent::MaybeCreateChildPopupSurrogate()
{
// Already created or not required for this plugin.
if (mChildPluginHWND || mWindowType != NPWindowTypeDrawable ||
!(mParent->GetQuirks() & QUIRK_WINLESS_TRACKPOPUP_HOOK)) {
return;
}
// We need to pass the netscape window down to be cached as part of the call
// to create the surrogate, because the reparenting of the surrogate in the
// main process can cause sync Windows messages to the plugin process, which
// then cause sync messages from the plugin child for the netscape window
// which causes a deadlock.
NativeWindowHandle netscapeWindow;
NPError result = mNPNIface->getvalue(mNPP, NPNVnetscapeWindow,
&netscapeWindow);
if (NPERR_NO_ERROR != result) {
NS_WARNING("Can't get netscape window to pass to plugin child.");
return;
}
if (!SendCreateChildPopupSurrogate(netscapeWindow)) {
NS_WARNING("Failed to create popup surrogate in child.");
}
}
#endif // defined(OS_WIN)
bool
PluginInstanceParent::AnswerPluginFocusChange(const bool& gotFocus)
{
PLUGIN_LOG_DEBUG(("%s", FULLFUNCTION));
// Currently only in use on windows - an event we receive from the child
// when it's plugin window (or one of it's children) receives keyboard
// focus. We detect this and forward a notification here so we can update
// focus.
#if defined(OS_WIN)
if (gotFocus) {
nsPluginInstanceOwner* owner = GetOwner();
if (owner) {
nsIFocusManager* fm = nsFocusManager::GetFocusManager();
nsCOMPtr<nsIDOMElement> element;
owner->GetDOMElement(getter_AddRefs(element));
if (fm && element) {
fm->SetFocus(element, 0);
}
}
}
return true;
#else
NS_NOTREACHED("PluginInstanceParent::AnswerPluginFocusChange not implemented!");
return false;
#endif
}
PluginInstanceParent*
PluginInstanceParent::Cast(NPP aInstance, PluginAsyncSurrogate** aSurrogate)
{
PluginDataResolver* resolver =
static_cast<PluginDataResolver*>(aInstance->pdata);
// If the plugin crashed and the PluginInstanceParent was deleted,
// aInstance->pdata will be nullptr.
if (!resolver) {
return nullptr;
}
PluginInstanceParent* instancePtr = resolver->GetInstance();
if (instancePtr && aInstance != instancePtr->mNPP) {
NS_RUNTIMEABORT("Corrupted plugin data.");
}
if (aSurrogate) {
*aSurrogate = resolver->GetAsyncSurrogate();
}
return instancePtr;
}
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