bool
PluginWidgetParent::RecvCreate()
{
PWLOG("PluginWidgetParent::RecvCreate()\n");
nsresult rv;
mWidget = do_CreateInstance(kWidgetCID, &rv);
#if defined(MOZ_WIDGET_GTK)
// We need this currently just for GTK in setting up a socket widget
// we can send over to content -> plugin.
PLUG_NewPluginNativeWindow((nsPluginNativeWindow**)&mWrapper);
if (!mWrapper) {
return false;
}
#endif
// This returns the top level window widget
nsCOMPtr<nsIWidget> parentWidget = GetTabParent()->GetWidget();
nsWidgetInitData initData;
initData.mWindowType = eWindowType_plugin_ipc_chrome;
initData.mUnicode = false;
initData.clipChildren = true;
initData.clipSiblings = true;
rv = mWidget->Create(parentWidget.get(), nullptr, nsIntRect(0,0,0,0),
nullptr, &initData);
if (NS_FAILED(rv)) {
mWidget->Destroy();
mWidget = nullptr;
return false;
}
mWidget->EnableDragDrop(true);
mWidget->Show(false);
mWidget->Enable(false);
// Force the initial position down into content. If we miss an
// initial position update this insures the widget doesn't overlap
// chrome.
RecvMove(0, 0);
#if defined(MOZ_WIDGET_GTK)
// For setup, initially GTK code expects 'window' to hold the parent.
mWrapper->window = mWidget->GetNativeData(NS_NATIVE_PLUGIN_PORT);
mWrapper->CreateXEmbedWindow(false);
mWrapper->SetAllocation();
PWLOG("Plugin XID=%p\n", (void*)mWrapper->window);
#endif
return true;
}
bool
PluginWidgetParent::RecvGetNativePluginPort(uintptr_t* value)
{
ENSURE_CHANNEL;
PWLOG("PluginWidgetParent::RecvGetNativeData()\n");
#if defined(MOZ_WIDGET_GTK)
*value = (uintptr_t)mWrapper->window;
#else
*value = (uintptr_t)mWidget->GetNativeData(NS_NATIVE_PLUGIN_PORT);
#endif
PWLOG("PluginWidgetParent::RecvGetNativeData() %p\n", (void*)*value);
return true;
}
NS_IMETHODIMP
PluginWidgetProxy::Destroy()
{
PWLOG("PluginWidgetProxy::Destroy()\n");
if (mActor) {
/**
* We need to communicate that the sub protocol is going to be torn down
* before the sub protocol dies. Otherwise we can end up with async events
* in transit from chrome to content, which on arrival will trigger an abort
* in the content process, crashing all tabs.
*
* Note, this is one of two ways PluginWidget tear down initiates. Here we
* are a plugin in content and content has just unloaded us for some reason,
* usually due to swap out for flash ads or the user simply loaded a
* different page. The other involves a full tear down of the tab (PBrowser)
* which happens prior to widgets getting collected by ref counting in
* layout. We still get this Destroy call, but in all likelyhood mActor is
* already null via a call on ChannelDestroyed from PluginWidgetChild.
*/
mActor->SendDestroy();
mActor->mWidget = nullptr;
mActor = nullptr;
}
return PuppetWidget::Destroy();
}
void*
PluginWidgetProxy::GetNativeData(uint32_t aDataType)
{
if (!mActor) {
return nullptr;
}
auto tab = static_cast<mozilla::dom::TabChild*>(mActor->Manager());
if (tab && tab->IsDestroyed()) {
return nullptr;
}
switch (aDataType) {
case NS_NATIVE_PLUGIN_PORT:
case NS_NATIVE_WINDOW:
case NS_NATIVE_SHAREABLE_WINDOW:
break;
default:
NS_WARNING("PluginWidgetProxy::GetNativeData received request for unsupported data type.");
return nullptr;
}
// The parent side window handle or xid never changes so we can
// cache this for our lifetime.
if (mCachedPluginPort) {
return (void*)mCachedPluginPort;
}
mActor->SendGetNativePluginPort(&mCachedPluginPort);
PWLOG("PluginWidgetProxy::GetNativeData %p\n", (void*)mCachedPluginPort);
return (void*)mCachedPluginPort;
}
bool
PluginWidgetParent::RecvInvalidate(const nsIntRect& aRect)
{
ENSURE_CHANNEL;
PWLOG("PluginWidgetParent::RecvInvalidate(%d, %d, %d, %d)\n", aRect.x, aRect.y, aRect.width, aRect.height);
mWidget->Invalidate(aRect);
return true;
}
bool
PluginWidgetParent::RecvShow(const bool& aState)
{
ENSURE_CHANNEL;
PWLOG("PluginWidgetParent::RecvShow(%d)\n", aState);
mWidget->Show(aState);
return true;
}
NS_IMETHODIMP
PluginWidgetProxy::SetFocus(bool aRaise)
{
ENSURE_CHANNEL;
PWLOG("PluginWidgetProxy::SetFocus(%d)\n", aRaise);
mActor->SendSetFocus(aRaise);
return NS_OK;
}
PluginWidgetParent::PluginWidgetParent()
#if defined(MOZ_WIDGET_GTK)
: mWrapper(nullptr)
#endif
{
PWLOG("PluginWidgetParent::PluginWidgetParent()\n");
MOZ_COUNT_CTOR(PluginWidgetParent);
}
bool
PluginWidgetParent::RecvSetFocus(const bool& aRaise)
{
ENSURE_CHANNEL;
PWLOG("PluginWidgetParent::RecvSetFocus(%d)\n", aRaise);
mWidget->SetFocus(aRaise);
return true;
}
bool
PluginWidgetParent::RecvSetWindowClipRegion(const nsTArray<nsIntRect>& Regions,
const bool& aIntersectWithExisting)
{
ENSURE_CHANNEL;
PWLOG("PluginWidgetParent::RecvSetWindowClipRegion()\n");
mWidget->SetWindowClipRegion(Regions, aIntersectWithExisting);
return true;
}
bool
PluginWidgetParent::RecvDestroy()
{
ENSURE_CHANNEL;
PWLOG("PluginWidgetParent::RecvDestroy()\n");
mWidget->Destroy();
mWidget = nullptr;
return true;
}
void
PluginWidgetChild::KillWidget()
{
PWLOG("PluginWidgetChild::KillWidget()\n");
if (mWidget) {
mWidget->ChannelDestroyed();
}
mWidget = nullptr;
}
PluginWidgetParent::~PluginWidgetParent()
{
PWLOG("PluginWidgetParent::~PluginWidgetParent()\n");
MOZ_COUNT_DTOR(PluginWidgetParent);
// A destroy call can actually get skipped if a widget is associated
// with the last out-of-process page, make sure and cleanup any left
// over widgets if we have them.
KillWidget();
}
// Called by the proxy widget when it is destroyed by layout. Only gets
// called once.
void
PluginWidgetChild::ProxyShutdown()
{
PWLOG("PluginWidgetChild::ProxyShutdown()\n");
if (mWidget) {
mWidget = nullptr;
auto tab = static_cast<mozilla::dom::TabChild*>(Manager());
if (!tab->IsDestroyed()) {
Unused << Send__delete__(this);
}
}
}
bool
PluginWidgetParent::RecvResize(const nsIntRect& aRect)
{
ENSURE_CHANNEL;
PWLOG("PluginWidgetParent::RecvResize(%d, %d, %d, %d)\n", aRect.x, aRect.y, aRect.width, aRect.height);
mWidget->Resize(aRect.width, aRect.height, true);
#if defined(MOZ_WIDGET_GTK)
mWrapper->width = aRect.width;
mWrapper->height = aRect.height;
mWrapper->SetAllocation();
#endif
return true;
}
NS_IMETHODIMP
PluginWidgetProxy::Destroy()
{
PWLOG("PluginWidgetProxy::Destroy()\n");
if (mActor) {
// Communicate that the layout widget has been torn down before the sub
// protocol.
mActor->ProxyShutdown();
mActor = nullptr;
}
return PuppetWidget::Destroy();
}
// Called by TabParent's Destroy() in response to an early tear down (Early
// in that this is happening before layout in the child has had a chance
// to destroy the child widget.) when the tab is closing. We will not receive
// RecvDestroy here.
void
PluginWidgetParent::ParentDestroy()
{
if (mActorDestroyed || !mWidget) {
return;
}
PWLOG("PluginWidgetParent::ParentDestroy()\n");
mWidget->UnregisterPluginWindowForRemoteUpdates();
DebugOnly<nsresult> rv = mWidget->Destroy();
NS_ASSERTION(NS_SUCCEEDED(rv), "widget destroy failure");
mWidget = nullptr;
mActorDestroyed = true;
return;
}
bool
PluginWidgetParent::RecvSetNativeChildWindow(const uintptr_t& aChildWindow)
{
#if defined(XP_WIN)
ENSURE_CHANNEL;
PWLOG("PluginWidgetParent::RecvSetNativeChildWindow(%p)\n",
static_cast<void*>(aChildWindow));
mWidget->SetNativeData(NS_NATIVE_CHILD_WINDOW, aChildWindow);
return true;
#else
NS_NOTREACHED("PluginWidgetParent::RecvSetNativeChildWindow not implemented!");
return false;
#endif
}
void
PluginWidgetParent::KillWidget()
{
PWLOG("PluginWidgetParent::KillWidget() widget=%p\n", (void*)mWidget.get());
if (mWidget) {
mWidget->UnregisterPluginWindowForRemoteUpdates();
DebugOnly<nsresult> rv = mWidget->Destroy();
NS_ASSERTION(NS_SUCCEEDED(rv), "widget destroy failure");
#if defined(MOZ_WIDGET_GTK)
mWidget->SetNativeData(NS_NATIVE_PLUGIN_OBJECT_PTR, (uintptr_t)0);
mWrapper = nullptr;
#elif defined(XP_WIN)
::RemovePropW((HWND)mWidget->GetNativeData(NS_NATIVE_WINDOW),
mozilla::dom::kPluginWidgetContentParentProperty);
#endif
mWidget = nullptr;
}
}
void*
PluginWidgetProxy::GetNativeData(uint32_t aDataType)
{
if (!mActor) {
return nullptr;
}
switch (aDataType) {
case NS_NATIVE_PLUGIN_PORT:
case NS_NATIVE_WINDOW:
case NS_NATIVE_SHAREABLE_WINDOW:
break;
default:
NS_WARNING("PluginWidgetProxy::GetNativeData received request for unsupported data type.");
return nullptr;
}
uintptr_t value = 0;
mActor->SendGetNativePluginPort(&value);
PWLOG("PluginWidgetProxy::GetNativeData %p\n", (void*)value);
return (void*)value;
}
PluginWidgetParent::~PluginWidgetParent()
{
PWLOG("PluginWidgetParent::~PluginWidgetParent()\n");
MOZ_COUNT_DTOR(PluginWidgetParent);
// A destroy call can actually get skipped if a widget is associated
// with the last out-of-process page, make sure and cleanup any left
// over widgets if we have them.
if (mWidget) {
#if defined(MOZ_WIDGET_GTK)
mWidget->SetNativeData(NS_NATIVE_PLUGIN_OBJECT_PTR, (uintptr_t)0);
mWrapper = nullptr;
#elif defined(XP_WIN)
::RemovePropW((HWND)mWidget->GetNativeData(NS_NATIVE_WINDOW),
kPluginWidgetParentProperty);
#endif
mWidget->UnregisterPluginWindowForRemoteUpdates();
mWidget->Destroy();
mWidget = nullptr;
}
}
void*
PluginWidgetProxy::GetNativeData(uint32_t aDataType)
{
if (!mActor) {
return nullptr;
}
auto tab = static_cast<mozilla::dom::TabChild*>(mActor->Manager());
if (tab && tab->IsDestroyed()) {
return nullptr;
}
switch (aDataType) {
case NS_NATIVE_PLUGIN_PORT:
case NS_NATIVE_WINDOW:
case NS_NATIVE_SHAREABLE_WINDOW:
break;
default:
NS_WARNING("PluginWidgetProxy::GetNativeData received request for unsupported data type.");
return nullptr;
}
uintptr_t value = 0;
mActor->SendGetNativePluginPort(&value);
PWLOG("PluginWidgetProxy::GetNativeData %p\n", (void*)value);
return (void*)value;
}
bool
PluginWidgetParent::RecvMove(const double& aX, const double& aY)
{
ENSURE_CHANNEL;
PWLOG("PluginWidgetParent::RecvMove(%f, %f)\n", aX, aY);
// This returns the top level window
nsCOMPtr<nsIWidget> widget = GetTabParent()->GetWidget();
if (!widget) {
// return true otherwise ipc will abort the content process, crashing
// all tabs.
return true;
}
// Passed in coords are at the tab origin, adjust to the main window.
nsIntPoint offset = GetTabParent()->GetChildProcessOffset();
offset.x = abs(offset.x);
offset.y = abs(offset.y);
offset += nsIntPoint(ceil(aX), ceil(aY));
mWidget->Move(offset.x, offset.y);
return true;
}
bool
PluginWidgetParent::RecvCreate(nsresult* aResult)
{
PWLOG("PluginWidgetParent::RecvCreate()\n");
mWidget = do_CreateInstance(kWidgetCID, aResult);
NS_ASSERTION(NS_SUCCEEDED(*aResult), "widget create failure");
#if defined(MOZ_WIDGET_GTK)
// We need this currently just for GTK in setting up a socket widget
// we can send over to content -> plugin.
PLUG_NewPluginNativeWindow((nsPluginNativeWindow**)&mWrapper);
if (!mWrapper) {
KillWidget();
return false;
}
// Give a copy of this to the widget, which handles some update
// work for us.
mWidget->SetNativeData(NS_NATIVE_PLUGIN_OBJECT_PTR, (uintptr_t)mWrapper.get());
#endif
// This returns the top level window widget
nsCOMPtr<nsIWidget> parentWidget = GetTabParent()->GetWidget();
// If this fails, bail.
if (!parentWidget) {
*aResult = NS_ERROR_NOT_AVAILABLE;
KillWidget();
return true;
}
nsWidgetInitData initData;
initData.mWindowType = eWindowType_plugin_ipc_chrome;
initData.mUnicode = false;
initData.clipChildren = true;
initData.clipSiblings = true;
*aResult = mWidget->Create(parentWidget.get(), nullptr, nsIntRect(0,0,0,0),
&initData);
if (NS_FAILED(*aResult)) {
KillWidget();
// This should never fail, abort.
return false;
}
DebugOnly<nsresult> drv;
drv = mWidget->EnableDragDrop(true);
NS_ASSERTION(NS_SUCCEEDED(drv), "widget call failure");
#if defined(MOZ_WIDGET_GTK)
// For setup, initially GTK code expects 'window' to hold the parent.
mWrapper->window = mWidget->GetNativeData(NS_NATIVE_PLUGIN_PORT);
drv = mWrapper->CreateXEmbedWindow(false);
NS_ASSERTION(NS_SUCCEEDED(drv), "widget call failure");
mWrapper->SetAllocation();
PWLOG("Plugin XID=%p\n", (void*)mWrapper->window);
#elif defined(XP_WIN)
DebugOnly<DWORD> winres =
::SetPropW((HWND)mWidget->GetNativeData(NS_NATIVE_WINDOW),
mozilla::dom::kPluginWidgetContentParentProperty,
GetTabParent()->Manager()->AsContentParent());
NS_ASSERTION(winres, "SetPropW call failure");
#endif
// This is a special call we make to nsBaseWidget to register this
// window as a remote plugin window which is expected to receive
// visibility updates from the compositor, which ships this data
// over with corresponding layer updates.
mWidget->RegisterPluginWindowForRemoteUpdates();
return true;
}
PluginWidgetChild::PluginWidgetChild() :
mWidget(nullptr)
{
PWLOG("PluginWidgetChild::PluginWidgetChild()\n");
MOZ_COUNT_CTOR(PluginWidgetChild);
}
PluginWidgetParent::PluginWidgetParent()
{
PWLOG("PluginWidgetParent::PluginWidgetParent()\n");
MOZ_COUNT_CTOR(PluginWidgetParent);
}
PluginWidgetChild::~PluginWidgetChild()
{
PWLOG("PluginWidgetChild::~PluginWidgetChild()\n");
MOZ_COUNT_DTOR(PluginWidgetChild);
}
// Called by TabParent's Destroy() in response to an early tear down (Early
// in that this is happening before layout in the child has had a chance
// to destroy the child widget.) when the tab is closing.
void
PluginWidgetParent::ParentDestroy()
{
PWLOG("PluginWidgetParent::ParentDestroy()\n");
}
void
PluginWidgetParent::ActorDestroy(ActorDestroyReason aWhy)
{
PWLOG("PluginWidgetParent::ActorDestroy(%d)\n", aWhy);
KillWidget();
}
void
PluginWidgetParent::ActorDestroy(ActorDestroyReason aWhy)
{
PWLOG("PluginWidgetParent::ActorDestroy()\n");
}