/*static*/ already_AddRefed<gfxASurface>
ShadowLayerForwarder::PlatformOpenDescriptor(OpenMode aMode,
const SurfaceDescriptor& aSurface)
{
SAMPLE_LABEL("ShadowLayerForwarder", "PlatformOpenDescriptor");
if (SurfaceDescriptor::TSurfaceDescriptorGralloc != aSurface.type()) {
return nullptr;
}
sp<GraphicBuffer> buffer =
GrallocBufferActor::GetFrom(aSurface.get_SurfaceDescriptorGralloc());
uint32_t usage = GRALLOC_USAGE_SW_READ_OFTEN;
if (OPEN_READ_WRITE == aMode) {
usage |= GRALLOC_USAGE_SW_WRITE_OFTEN;
}
void *vaddr;
DebugOnly<status_t> status = buffer->lock(usage, &vaddr);
// If we fail to lock, we'll just end up aborting anyway.
MOZ_ASSERT(status == OK);
gfxIntSize size = gfxIntSize(buffer->getWidth(), buffer->getHeight());
gfxImageFormat format = ImageFormatForPixelFormat(buffer->getPixelFormat());
long pixelStride = buffer->getStride();
long byteStride = pixelStride * gfxASurface::BytePerPixelFromFormat(format);
nsRefPtr<gfxASurface> surf =
new gfxImageSurface((unsigned char*)vaddr, size, byteStride, format);
return surf->CairoStatus() ? nullptr : surf.forget();
}
PRUint32
nsInputStreamPump::OnStateStop()
{
SAMPLE_LABEL("Input", "nsInputStreamPump::OnStateTransfer");
LOG((" OnStateStop [this=%x status=%x]\n", this, mStatus));
// if an error occurred, we must be sure to pass the error onto the async
// stream. in some cases, this is redundant, but since close is idempotent,
// this is OK. otherwise, be sure to honor the "close-when-done" option.
if (NS_FAILED(mStatus))
mAsyncStream->CloseWithStatus(mStatus);
else if (mCloseWhenDone)
mAsyncStream->Close();
mAsyncStream = 0;
mTargetThread = 0;
mIsPending = false;
mListener->OnStopRequest(this, mListenerContext, mStatus);
mListener = 0;
mListenerContext = 0;
if (mLoadGroup)
mLoadGroup->RemoveRequest(this, nullptr, mStatus);
return STATE_IDLE;
}
bool
ShadowLayerForwarder::PlatformAllocBuffer(const gfxIntSize& aSize,
gfxASurface::gfxContentType aContent,
uint32_t aCaps,
SurfaceDescriptor* aBuffer)
{
// Some GL implementations fail to render gralloc textures with
// width < 64. There's not much point in gralloc'ing buffers that
// small anyway, so fall back on shared memory plus a texture
// upload.
if (aSize.width < 64) {
return false;
}
SAMPLE_LABEL("ShadowLayerForwarder", "PlatformAllocBuffer");
// Gralloc buffers are efficiently mappable as gfxImageSurface, so
// no need to check |aCaps & MAP_AS_IMAGE_SURFACE|.
MaybeMagicGrallocBufferHandle handle;
PGrallocBufferChild* gc =
mShadowManager->SendPGrallocBufferConstructor(aSize, aContent, &handle);
if (!gc) {
NS_ERROR("GrallocBufferConstructor failed by returned null");
return false;
} else if (handle.Tnull_t == handle.type()) {
NS_ERROR("GrallocBufferConstructor failed by returning handle with type Tnull_t");
PGrallocBufferChild::Send__delete__(gc);
return false;
}
GrallocBufferActor* gba = static_cast<GrallocBufferActor*>(gc);
gba->InitFromHandle(handle.get_MagicGrallocBufferHandle());
*aBuffer = SurfaceDescriptorGralloc(nullptr, gc, aSize, /* external */ false);
return true;
}
SharedSurface*
SurfaceStream_TripleBuffer::SwapProducer(SurfaceFactory* factory,
const gfxIntSize& size)
{
SAMPLE_LABEL("SurfaceStream_TripleBuffer", "SwapProducer");
MonitorAutoLock lock(mMonitor);
if (mProducer) {
RecycleScraps(factory);
// If WaitForCompositor succeeds, mStaging has moved to mConsumer.
// If it failed, we might have to scrap it.
if (mStaging && !WaitForCompositor())
Scrap(mStaging);
MOZ_ASSERT(!mStaging);
Move(mProducer, mStaging);
mStaging->Fence();
}
MOZ_ASSERT(!mProducer);
New(factory, size, mProducer);
return mProducer;
}
NS_IMETHODIMP
PluginStreamListener::OnStartRequest(nsIRequest* request, nsISupports *ctxt)
{
SAMPLE_LABEL("PluginStreamListener", "OnStartRequest");
nsCOMPtr<nsIContent> embed = mPluginDoc->GetPluginContent();
nsCOMPtr<nsIObjectLoadingContent> objlc = do_QueryInterface(embed);
nsCOMPtr<nsIStreamListener> objListener = do_QueryInterface(objlc);
if (!objListener) {
NS_NOTREACHED("PluginStreamListener without appropriate content node");
return NS_BINDING_ABORTED;
}
SetStreamListener(objListener);
// Sets up the ObjectLoadingContent tag as if it is waiting for a
// channel, so it can proceed with a load normally once it gets OnStartRequest
nsresult rv = objlc->InitializeFromChannel(request);
if (NS_FAILED(rv)) {
NS_NOTREACHED("InitializeFromChannel failed");
return rv;
}
// Note that because we're now hooked up to a plugin listener, this will
// likely spawn a plugin, which may re-enter.
return MediaDocumentStreamListener::OnStartRequest(request, ctxt);
}
/*static*/ PGrallocBufferParent*
GrallocBufferActor::Create(const gfxIntSize& aSize,
const gfxContentType& aContent,
MaybeMagicGrallocBufferHandle* aOutHandle)
{
SAMPLE_LABEL("GrallocBufferActor", "Create");
GrallocBufferActor* actor = new GrallocBufferActor();
*aOutHandle = null_t();
android::PixelFormat format = PixelFormatForContentType(aContent);
sp<GraphicBuffer> buffer(
new GraphicBuffer(aSize.width, aSize.height, format,
GraphicBuffer::USAGE_SW_READ_OFTEN |
GraphicBuffer::USAGE_SW_WRITE_OFTEN |
GraphicBuffer::USAGE_HW_TEXTURE));
if (buffer->initCheck() != OK)
return actor;
size_t bpp = gfxASurface::BytePerPixelFromFormat(
gfxPlatform::GetPlatform()->OptimalFormatForContent(aContent));
actor->mAllocBytes = aSize.width * aSize.height * bpp;
sCurrentAlloc += actor->mAllocBytes;
actor->mGraphicBuffer = buffer;
*aOutHandle = MagicGrallocBufferHandle(buffer);
return actor;
}
PRUint32
nsInputStreamPump::OnStateStart()
{
SAMPLE_LABEL("nsInputStreamPump", "OnStateStart");
LOG((" OnStateStart [this=%x]\n", this));
nsresult rv;
// need to check the reason why the stream is ready. this is required
// so our listener can check our status from OnStartRequest.
// XXX async streams should have a GetStatus method!
if (NS_SUCCEEDED(mStatus)) {
PRUint32 avail;
rv = mAsyncStream->Available(&avail);
if (NS_FAILED(rv) && rv != NS_BASE_STREAM_CLOSED)
mStatus = rv;
}
rv = mListener->OnStartRequest(this, mListenerContext);
// an error returned from OnStartRequest should cause us to abort; however,
// we must not stomp on mStatus if already canceled.
if (NS_FAILED(rv) && NS_SUCCEEDED(mStatus))
mStatus = rv;
return NS_SUCCEEDED(mStatus) ? STATE_TRANSFER : STATE_STOP;
}
nsresult nsViewManager::DispatchEvent(nsGUIEvent *aEvent, nsIView* aView, nsEventStatus* aStatus)
{
SAMPLE_LABEL("event", "nsViewManager::DispatchEvent");
if ((NS_IS_MOUSE_EVENT(aEvent) &&
// Ignore mouse events that we synthesize.
static_cast<nsMouseEvent*>(aEvent)->reason == nsMouseEvent::eReal &&
// Ignore mouse exit and enter (we'll get moves if the user
// is really moving the mouse) since we get them when we
// create and destroy widgets.
aEvent->message != NS_MOUSE_EXIT &&
aEvent->message != NS_MOUSE_ENTER) ||
NS_IS_KEY_EVENT(aEvent) ||
NS_IS_IME_EVENT(aEvent) ||
aEvent->message == NS_PLUGIN_INPUT_EVENT) {
gLastUserEventTime = PR_IntervalToMicroseconds(PR_IntervalNow());
}
// Find the view whose coordinates system we're in.
nsIView* view = aView;
bool dispatchUsingCoordinates = NS_IsEventUsingCoordinates(aEvent);
if (dispatchUsingCoordinates) {
// Will dispatch using coordinates. Pretty bogus but it's consistent
// with what presshell does.
view = GetDisplayRootFor(view);
}
// If the view has no frame, look for a view that does.
nsIFrame* frame = view->GetFrame();
if (!frame &&
(dispatchUsingCoordinates || NS_IS_KEY_EVENT(aEvent) ||
NS_IS_IME_RELATED_EVENT(aEvent) ||
NS_IS_NON_RETARGETED_PLUGIN_EVENT(aEvent) ||
aEvent->message == NS_PLUGIN_ACTIVATE ||
aEvent->message == NS_PLUGIN_FOCUS ||
aEvent->message == NS_PLUGIN_RESOLUTION_CHANGED)) {
while (view && !view->GetFrame()) {
view = view->GetParent();
}
if (view) {
frame = view->GetFrame();
}
}
if (nullptr != frame) {
// Hold a refcount to the presshell. The continued existence of the
// presshell will delay deletion of this view hierarchy should the event
// want to cause its destruction in, say, some JavaScript event handler.
nsCOMPtr<nsIPresShell> shell = view->GetViewManager()->GetPresShell();
if (shell) {
return shell->HandleEvent(frame, aEvent, false, aStatus);
}
}
*aStatus = nsEventStatus_eIgnore;
return NS_OK;
}
bool
SurfaceStream_TripleBuffer_Async::WaitForCompositor()
{
SAMPLE_LABEL("SurfaceStream_TripleBuffer_Async", "WaitForCompositor");
// We are assumed to be locked
while (mStaging)
mMonitor.Wait();
return true;
}
/*static*/ already_AddRefed<TextureImage>
ShadowLayerManager::OpenDescriptorForDirectTexturing(GLContext* aGL,
const SurfaceDescriptor& aDescriptor,
GLenum aWrapMode)
{
SAMPLE_LABEL("ShadowLayerManager", "OpenDescriptorForDirectTexturing");
if (SurfaceDescriptor::TSurfaceDescriptorGralloc != aDescriptor.type()) {
return nullptr;
}
sp<GraphicBuffer> buffer = GrallocBufferActor::GetFrom(aDescriptor);
return aGL->CreateDirectTextureImage(buffer.get(), aWrapMode);
}
void
ThebesLayerBuffer::DrawBufferWithRotation(gfxContext* aTarget, float aOpacity,
gfxASurface* aMask,
const gfxMatrix* aMaskTransform)
{
SAMPLE_LABEL("ThebesLayerBuffer", "DrawBufferWithRotation");
// Draw four quadrants. We could use REPEAT_, but it's probably better
// not to, to be performance-safe.
DrawBufferQuadrant(aTarget, LEFT, TOP, aOpacity, aMask, aMaskTransform);
DrawBufferQuadrant(aTarget, RIGHT, TOP, aOpacity, aMask, aMaskTransform);
DrawBufferQuadrant(aTarget, LEFT, BOTTOM, aOpacity, aMask, aMaskTransform);
DrawBufferQuadrant(aTarget, RIGHT, BOTTOM, aOpacity, aMask, aMaskTransform);
}
NS_IMETHODIMP
PluginStreamListener::OnStartRequest(nsIRequest* request, nsISupports *ctxt)
{
SAMPLE_LABEL("PluginStreamListener", "OnStartRequest");
// Have to set up our plugin stuff before we call OnStartRequest, so
// that the plugin listener can get that call.
nsresult rv = SetupPlugin();
NS_ASSERTION(NS_FAILED(rv) || mNextStream,
"We should have a listener by now");
nsresult rv2 = MediaDocumentStreamListener::OnStartRequest(request, ctxt);
return NS_SUCCEEDED(rv) ? rv2 : rv;
}
/*static*/ bool
ShadowLayerForwarder::PlatformCloseDescriptor(const SurfaceDescriptor& aDescriptor)
{
SAMPLE_LABEL("ShadowLayerForwarder", "PlatformCloseDescriptor");
if (SurfaceDescriptor::TSurfaceDescriptorGralloc != aDescriptor.type()) {
return false;
}
sp<GraphicBuffer> buffer = GrallocBufferActor::GetFrom(aDescriptor);
// If the buffer wasn't lock()d, this probably blows up. But since
// PlatformCloseDescriptor() is private and only used by
// AutoOpenSurface, we want to know if the logic is wrong there.
buffer->unlock();
return true;
}
NS_IMETHODIMP
nsInputStreamPump::OnInputStreamReady(nsIAsyncInputStream *stream)
{
LOG(("nsInputStreamPump::OnInputStreamReady [this=%x]\n", this));
SAMPLE_LABEL("Input", "nsInputStreamPump::OnInputStreamReady");
// this function has been called from a PLEvent, so we can safely call
// any listener or progress sink methods directly from here.
for (;;) {
if (mSuspendCount || mState == STATE_IDLE) {
mWaiting = false;
break;
}
PRUint32 nextState;
switch (mState) {
case STATE_START:
nextState = OnStateStart();
break;
case STATE_TRANSFER:
nextState = OnStateTransfer();
break;
case STATE_STOP:
nextState = OnStateStop();
break;
default:
nextState = 0;
NS_NOTREACHED("Unknown enum value.");
return NS_ERROR_UNEXPECTED;
}
if (mState == nextState && !mSuspendCount) {
NS_ASSERTION(mState == STATE_TRANSFER, "unexpected state");
NS_ASSERTION(NS_SUCCEEDED(mStatus), "unexpected status");
mWaiting = false;
mStatus = EnsureWaiting();
if (NS_SUCCEEDED(mStatus))
break;
nextState = STATE_STOP;
}
mState = nextState;
}
return NS_OK;
}
// Unlike other cross-process forwarding methods, GetValue needs to replicate
// the following behaviour of DOMStorageImpl::GetValue:
//
// - if a security error occurs, or the item isn't found, return null without
// propogating the error.
//
// If DOMStorageImpl::GetValue ever changes its behaviour, this should be kept
// in sync.
nsIDOMStorageItem*
StorageChild::GetValue(bool aCallerSecure, const nsAString& aKey, nsresult* rv)
{
SAMPLE_LABEL("StorageChild", "GetValue");
nsresult rv2 = *rv = NS_OK;
StorageItem storageItem;
SendGetValue(aCallerSecure, mSessionOnly, nsString(aKey), &storageItem, &rv2);
if (rv2 == NS_ERROR_DOM_SECURITY_ERR || rv2 == NS_ERROR_DOM_NOT_FOUND_ERR)
return nullptr;
*rv = rv2;
if (NS_FAILED(*rv) || storageItem.type() == StorageItem::Tnull_t)
return nullptr;
const ItemData& data = storageItem.get_ItemData();
nsIDOMStorageItem* item = new nsDOMStorageItem(this, aKey, data.value(),
data.secure());
return item;
}
/*static*/ PGrallocBufferParent*
GrallocBufferActor::Create(const gfxIntSize& aSize,
const gfxContentType& aContent,
MaybeMagicGrallocBufferHandle* aOutHandle)
{
SAMPLE_LABEL("GrallocBufferActor", "Create");
GrallocBufferActor* actor = new GrallocBufferActor();
*aOutHandle = null_t();
android::PixelFormat format = PixelFormatForContentType(aContent);
sp<GraphicBuffer> buffer(
new GraphicBuffer(aSize.width, aSize.height, format,
GraphicBuffer::USAGE_SW_READ_OFTEN |
GraphicBuffer::USAGE_SW_WRITE_OFTEN |
GraphicBuffer::USAGE_HW_TEXTURE));
if (buffer->initCheck() != OK)
return actor;
actor->mGraphicBuffer = buffer;
*aOutHandle = MagicGrallocBufferHandle(buffer);
return actor;
}
bool
ShadowLayerForwarder::PlatformAllocBuffer(const gfxIntSize& aSize,
gfxASurface::gfxContentType aContent,
uint32_t aCaps,
SurfaceDescriptor* aBuffer)
{
SAMPLE_LABEL("ShadowLayerForwarder", "PlatformAllocBuffer");
// Gralloc buffers are efficiently mappable as gfxImageSurface, so
// no need to check |aCaps & MAP_AS_IMAGE_SURFACE|.
MaybeMagicGrallocBufferHandle handle;
PGrallocBufferChild* gc =
mShadowManager->SendPGrallocBufferConstructor(aSize, aContent, &handle);
if (handle.Tnull_t == handle.type()) {
PGrallocBufferChild::Send__delete__(gc);
return false;
}
GrallocBufferActor* gba = static_cast<GrallocBufferActor*>(gc);
gba->InitFromHandle(handle.get_MagicGrallocBufferHandle());
*aBuffer = SurfaceDescriptorGralloc(nullptr, gc, /* external */ false);
return true;
}
NS_IMETHODIMP
nsStreamLoader::OnStopRequest(nsIRequest* request, nsISupports *ctxt,
nsresult aStatus)
{
SAMPLE_LABEL("network", "nsStreamLoader::OnStopRequest");
if (mObserver) {
// provide nsIStreamLoader::request during call to OnStreamComplete
mRequest = request;
nsresult rv = mObserver->OnStreamComplete(this, mContext, aStatus,
mLength, mData);
if (rv == NS_SUCCESS_ADOPTED_DATA) {
// the observer now owns the data buffer, and the loader must
// not deallocate it
mData = nullptr;
mLength = 0;
mAllocated = 0;
}
// done.. cleanup
mRequest = 0;
mObserver = 0;
mContext = 0;
}
return NS_OK;
}
void
RestyleTracker::DoProcessRestyles()
{
SAMPLE_LABEL("CSS", "ProcessRestyles");
// Make sure to not rebuild quote or counter lists while we're
// processing restyles
mFrameConstructor->BeginUpdate();
mFrameConstructor->mInStyleRefresh = true;
// loop so that we process any restyle events generated by processing
while (mPendingRestyles.Count()) {
if (mHaveLaterSiblingRestyles) {
// Convert them to individual restyles on all the later siblings
nsAutoTArray<nsRefPtr<Element>, RESTYLE_ARRAY_STACKSIZE> laterSiblingArr;
LaterSiblingCollector siblingCollector = { this, &laterSiblingArr };
mPendingRestyles.Enumerate(CollectLaterSiblings, &siblingCollector);
for (PRUint32 i = 0; i < laterSiblingArr.Length(); ++i) {
Element* element = laterSiblingArr[i];
for (nsIContent* sibling = element->GetNextSibling();
sibling;
sibling = sibling->GetNextSibling()) {
if (sibling->IsElement() &&
AddPendingRestyle(sibling->AsElement(), eRestyle_Subtree,
NS_STYLE_HINT_NONE)) {
// Nothing else to do here; we'll handle the following
// siblings when we get to |sibling| in laterSiblingArr.
break;
}
}
}
// Now remove all those eRestyle_LaterSiblings bits
for (PRUint32 i = 0; i < laterSiblingArr.Length(); ++i) {
Element* element = laterSiblingArr[i];
NS_ASSERTION(element->HasFlag(RestyleBit()), "How did that happen?");
RestyleData data;
#ifdef DEBUG
bool found =
#endif
mPendingRestyles.Get(element, &data);
NS_ASSERTION(found, "Where did our entry go?");
data.mRestyleHint =
nsRestyleHint(data.mRestyleHint & ~eRestyle_LaterSiblings);
mPendingRestyles.Put(element, data);
}
mHaveLaterSiblingRestyles = false;
}
PRUint32 rootCount;
while ((rootCount = mRestyleRoots.Length())) {
// Make sure to pop the element off our restyle root array, so
// that we can freely append to the array as we process this
// element.
nsRefPtr<Element> element;
element.swap(mRestyleRoots[rootCount - 1]);
mRestyleRoots.RemoveElementAt(rootCount - 1);
// Do the document check before calling GetRestyleData, since we
// don't want to do the sibling-processing GetRestyleData does if
// the node is no longer relevant.
if (element->GetCurrentDoc() != Document()) {
// Content node has been removed from our document; nothing else
// to do here
continue;
}
RestyleData data;
if (!GetRestyleData(element, &data)) {
continue;
}
ProcessOneRestyle(element, data.mRestyleHint, data.mChangeHint);
}
if (mHaveLaterSiblingRestyles) {
// Keep processing restyles for now
continue;
}
// Now we only have entries with change hints left. To be safe in
// case of reentry from the handing of the change hint, use a
// scratch array instead of calling out to ProcessOneRestyle while
// enumerating the hashtable. Use the stack if we can, otherwise
// fall back on heap-allocation.
nsAutoTArray<RestyleEnumerateData, RESTYLE_ARRAY_STACKSIZE> restyleArr;
RestyleEnumerateData* restylesToProcess =
restyleArr.AppendElements(mPendingRestyles.Count());
if (restylesToProcess) {
RestyleEnumerateData* lastRestyle = restylesToProcess;
RestyleCollector collector = { this, &lastRestyle };
mPendingRestyles.Enumerate(CollectRestyles, &collector);
// Clear the hashtable now that we don't need it anymore
mPendingRestyles.Clear();
for (RestyleEnumerateData* currentRestyle = restylesToProcess;
currentRestyle != lastRestyle;
++currentRestyle) {
ProcessOneRestyle(currentRestyle->mElement,
currentRestyle->mRestyleHint,
currentRestyle->mChangeHint);
}
}
}
// Set mInStyleRefresh to false now, since the EndUpdate call might
// add more restyles.
mFrameConstructor->mInStyleRefresh = false;
mFrameConstructor->EndUpdate();
#ifdef DEBUG
mFrameConstructor->mPresShell->VerifyStyleTree();
#endif
}
NS_IMETHODIMP nsViewManager::DispatchEvent(nsGUIEvent *aEvent,
nsIView* aView, nsEventStatus *aStatus)
{
NS_ASSERTION(!aView || static_cast<nsView*>(aView)->GetViewManager() == this,
"wrong view manager");
SAMPLE_LABEL("event", "nsViewManager::DispatchEvent");
*aStatus = nsEventStatus_eIgnore;
switch(aEvent->message)
{
case NS_SIZE:
{
if (aView)
{
// client area dimensions are set on the view
nscoord width = ((nsSizeEvent*)aEvent)->windowSize->width;
nscoord height = ((nsSizeEvent*)aEvent)->windowSize->height;
// The root view may not be set if this is the resize associated with
// window creation
if (aView == mRootView)
{
PRInt32 p2a = AppUnitsPerDevPixel();
SetWindowDimensions(NSIntPixelsToAppUnits(width, p2a),
NSIntPixelsToAppUnits(height, p2a));
*aStatus = nsEventStatus_eConsumeNoDefault;
}
else if (IsViewForPopup(aView))
{
nsXULPopupManager* pm = nsXULPopupManager::GetInstance();
if (pm)
{
pm->PopupResized(aView->GetFrame(), nsIntSize(width, height));
*aStatus = nsEventStatus_eConsumeNoDefault;
}
}
}
}
break;
case NS_MOVE:
{
// A popup's parent view is the root view for the parent window, so when
// a popup moves, the popup's frame and view position must be updated
// to match.
if (aView && IsViewForPopup(aView))
{
nsXULPopupManager* pm = nsXULPopupManager::GetInstance();
if (pm)
{
pm->PopupMoved(aView->GetFrame(), aEvent->refPoint);
*aStatus = nsEventStatus_eConsumeNoDefault;
}
}
break;
}
case NS_DONESIZEMOVE:
{
if (mPresShell) {
nsPresContext* presContext = mPresShell->GetPresContext();
if (presContext) {
nsEventStateManager::ClearGlobalActiveContent(nsnull);
}
}
nsIPresShell::ClearMouseCapture(nsnull);
}
break;
case NS_XUL_CLOSE:
{
// if this is a popup, make a request to hide it. Note that a popuphidden
// event listener may cancel the event and the popup will not be hidden.
nsIWidget* widget = aView->GetWidget();
if (widget) {
nsWindowType type;
widget->GetWindowType(type);
if (type == eWindowType_popup) {
nsXULPopupManager* pm = nsXULPopupManager::GetInstance();
if (pm) {
pm->HidePopup(aView->GetFrame());
*aStatus = nsEventStatus_eConsumeNoDefault;
}
}
}
}
break;
case NS_WILL_PAINT:
{
if (!aView || !mContext)
break;
*aStatus = nsEventStatus_eConsumeNoDefault;
nsPaintEvent *event = static_cast<nsPaintEvent*>(aEvent);
NS_ASSERTION(static_cast<nsView*>(aView) ==
nsView::GetViewFor(event->widget),
"view/widget mismatch");
// If an ancestor widget was hidden and then shown, we could
// have a delayed resize to handle.
for (nsViewManager *vm = this; vm;
vm = vm->mRootView->GetParent()
? vm->mRootView->GetParent()->GetViewManager()
: nsnull) {
if (vm->mDelayedResize != nsSize(NSCOORD_NONE, NSCOORD_NONE) &&
vm->mRootView->IsEffectivelyVisible() &&
mPresShell && mPresShell->IsVisible()) {
vm->FlushDelayedResize(true);
vm->InvalidateView(vm->mRootView);
}
}
// Flush things like reflows and plugin widget geometry updates by
// calling WillPaint on observer presShells.
nsRefPtr<nsViewManager> rootVM = RootViewManager();
if (mPresShell) {
rootVM->CallWillPaintOnObservers(event->willSendDidPaint);
}
// Flush view widget geometry updates and invalidations.
rootVM->ProcessPendingUpdates();
}
break;
case NS_PAINT:
{
if (!aView || !mContext)
break;
*aStatus = nsEventStatus_eConsumeNoDefault;
nsPaintEvent *event = static_cast<nsPaintEvent*>(aEvent);
nsView* view = static_cast<nsView*>(aView);
NS_ASSERTION(view == nsView::GetViewFor(event->widget),
"view/widget mismatch");
NS_ASSERTION(IsPaintingAllowed(),
"shouldn't be receiving paint events while painting is "
"disallowed!");
if (!event->didSendWillPaint) {
// Send NS_WILL_PAINT event ourselves.
nsPaintEvent willPaintEvent(true, NS_WILL_PAINT, event->widget);
willPaintEvent.willSendDidPaint = event->willSendDidPaint;
DispatchEvent(&willPaintEvent, view, aStatus);
// Get the view pointer again since NS_WILL_PAINT might have
// destroyed it during CallWillPaintOnObservers (bug 378273).
view = nsView::GetViewFor(event->widget);
}
if (!view || event->region.IsEmpty())
break;
// Paint.
Refresh(view, event->region, event->willSendDidPaint);
break;
}
case NS_DID_PAINT: {
nsRefPtr<nsViewManager> rootVM = RootViewManager();
rootVM->CallDidPaintOnObserver();
break;
}
case NS_CREATE:
case NS_DESTROY:
case NS_SETZLEVEL:
/* Don't pass these events through. Passing them through
causes performance problems on pages with lots of views/frames
@see bug 112861 */
*aStatus = nsEventStatus_eConsumeNoDefault;
break;
case NS_DISPLAYCHANGED:
//Destroy the cached backbuffer to force a new backbuffer
//be constructed with the appropriate display depth.
//@see bugzilla bug 6061
*aStatus = nsEventStatus_eConsumeDoDefault;
break;
case NS_SYSCOLORCHANGED:
{
if (mPresShell) {
// Hold a refcount to the presshell. The continued existence of the observer will
// delay deletion of this view hierarchy should the event want to cause its
// destruction in, say, some JavaScript event handler.
nsCOMPtr<nsIPresShell> presShell = mPresShell;
presShell->HandleEvent(aView->GetFrame(), aEvent, false, aStatus);
}
}
break;
default:
{
if ((NS_IS_MOUSE_EVENT(aEvent) &&
// Ignore mouse events that we synthesize.
static_cast<nsMouseEvent*>(aEvent)->reason ==
nsMouseEvent::eReal &&
// Ignore mouse exit and enter (we'll get moves if the user
// is really moving the mouse) since we get them when we
// create and destroy widgets.
aEvent->message != NS_MOUSE_EXIT &&
aEvent->message != NS_MOUSE_ENTER) ||
NS_IS_KEY_EVENT(aEvent) ||
NS_IS_IME_EVENT(aEvent) ||
aEvent->message == NS_PLUGIN_INPUT_EVENT) {
gLastUserEventTime = PR_IntervalToMicroseconds(PR_IntervalNow());
}
if (aEvent->message == NS_DEACTIVATE) {
// if a window is deactivated, clear the mouse capture regardless
// of what is capturing
nsIPresShell::ClearMouseCapture(nsnull);
}
// Find the view whose coordinates system we're in.
nsIView* view = aView;
bool dispatchUsingCoordinates = NS_IsEventUsingCoordinates(aEvent);
if (dispatchUsingCoordinates) {
// Will dispatch using coordinates. Pretty bogus but it's consistent
// with what presshell does.
view = GetDisplayRootFor(view);
}
// If the view has no frame, look for a view that does.
nsIFrame* frame = view->GetFrame();
if (!frame &&
(dispatchUsingCoordinates || NS_IS_KEY_EVENT(aEvent) ||
NS_IS_IME_RELATED_EVENT(aEvent) ||
NS_IS_NON_RETARGETED_PLUGIN_EVENT(aEvent) ||
aEvent->message == NS_PLUGIN_ACTIVATE ||
aEvent->message == NS_PLUGIN_FOCUS)) {
while (view && !view->GetFrame()) {
view = view->GetParent();
}
if (view) {
frame = view->GetFrame();
}
}
if (nsnull != frame) {
// Hold a refcount to the presshell. The continued existence of the
// presshell will delay deletion of this view hierarchy should the event
// want to cause its destruction in, say, some JavaScript event handler.
nsCOMPtr<nsIPresShell> shell = view->GetViewManager()->GetPresShell();
if (shell) {
shell->HandleEvent(frame, aEvent, false, aStatus);
}
}
break;
}
}
return NS_OK;
}
void
LayerManagerOGL::Render()
{
SAMPLE_LABEL("LayerManagerOGL", "Render");
if (mDestroyed) {
NS_WARNING("Call on destroyed layer manager");
return;
}
nsIntRect rect;
mWidget->GetClientBounds(rect);
WorldTransformRect(rect);
GLint width = rect.width;
GLint height = rect.height;
// We can't draw anything to something with no area
// so just return
if (width == 0 || height == 0)
return;
// If the widget size changed, we have to force a MakeCurrent
// to make sure that GL sees the updated widget size.
if (mWidgetSize.width != width ||
mWidgetSize.height != height)
{
MakeCurrent(true);
mWidgetSize.width = width;
mWidgetSize.height = height;
} else {
MakeCurrent();
}
SetupBackBuffer(width, height);
SetupPipeline(width, height, ApplyWorldTransform);
// Default blend function implements "OVER"
mGLContext->fBlendFuncSeparate(LOCAL_GL_ONE, LOCAL_GL_ONE_MINUS_SRC_ALPHA,
LOCAL_GL_ONE, LOCAL_GL_ONE);
mGLContext->fEnable(LOCAL_GL_BLEND);
const nsIntRect *clipRect = mRoot->GetClipRect();
if (clipRect) {
nsIntRect r = *clipRect;
WorldTransformRect(r);
mGLContext->fScissor(r.x, r.y, r.width, r.height);
} else {
mGLContext->fScissor(0, 0, width, height);
}
mGLContext->fEnable(LOCAL_GL_SCISSOR_TEST);
mGLContext->fClearColor(0.0, 0.0, 0.0, 0.0);
mGLContext->fClear(LOCAL_GL_COLOR_BUFFER_BIT | LOCAL_GL_DEPTH_BUFFER_BIT);
// Render our layers.
RootLayer()->RenderLayer(mGLContext->IsDoubleBuffered() ? 0 : mBackBufferFBO,
nsIntPoint(0, 0));
mWidget->DrawWindowOverlay(this, rect);
#ifdef MOZ_DUMP_PAINTING
if (gfxUtils::sDumpPainting) {
nsIntRect rect;
mWidget->GetBounds(rect);
nsRefPtr<gfxASurface> surf = gfxPlatform::GetPlatform()->CreateOffscreenSurface(rect.Size(), gfxASurface::CONTENT_COLOR_ALPHA);
nsRefPtr<gfxContext> ctx = new gfxContext(surf);
CopyToTarget(ctx);
WriteSnapshotToDumpFile(this, surf);
}
#endif
if (mTarget) {
CopyToTarget(mTarget);
mGLContext->fBindBuffer(LOCAL_GL_ARRAY_BUFFER, 0);
return;
}
if (sDrawFPS) {
mFPS.DrawFPS(mGLContext, GetCopy2DProgram());
}
if (mGLContext->IsDoubleBuffered()) {
mGLContext->SwapBuffers();
LayerManager::PostPresent();
mGLContext->fBindBuffer(LOCAL_GL_ARRAY_BUFFER, 0);
return;
}
mGLContext->fBindFramebuffer(LOCAL_GL_FRAMEBUFFER, 0);
mGLContext->fActiveTexture(LOCAL_GL_TEXTURE0);
CopyProgram *copyprog = GetCopy2DProgram();
if (mFBOTextureTarget == LOCAL_GL_TEXTURE_RECTANGLE_ARB) {
copyprog = GetCopy2DRectProgram();
}
mGLContext->fBindTexture(mFBOTextureTarget, mBackBufferTexture);
copyprog->Activate();
copyprog->SetTextureUnit(0);
if (copyprog->GetTexCoordMultiplierUniformLocation() != -1) {
float f[] = { float(width), float(height) };
copyprog->SetUniform(copyprog->GetTexCoordMultiplierUniformLocation(),
2, f);
}
// we're going to use client-side vertex arrays for this.
mGLContext->fBindBuffer(LOCAL_GL_ARRAY_BUFFER, 0);
// "COPY"
mGLContext->fBlendFuncSeparate(LOCAL_GL_ONE, LOCAL_GL_ZERO,
LOCAL_GL_ONE, LOCAL_GL_ZERO);
// enable our vertex attribs; we'll call glVertexPointer below
// to fill with the correct data.
GLint vcattr = copyprog->AttribLocation(CopyProgram::VertexCoordAttrib);
GLint tcattr = copyprog->AttribLocation(CopyProgram::TexCoordAttrib);
mGLContext->fEnableVertexAttribArray(vcattr);
mGLContext->fEnableVertexAttribArray(tcattr);
const nsIntRect *r;
nsIntRegionRectIterator iter(mClippingRegion);
while ((r = iter.Next()) != nsnull) {
nsIntRect cRect = *r;
r = &cRect;
WorldTransformRect(cRect);
float left = (GLfloat)r->x / width;
float right = (GLfloat)r->XMost() / width;
float top = (GLfloat)r->y / height;
float bottom = (GLfloat)r->YMost() / height;
float vertices[] = { left * 2.0f - 1.0f,
-(top * 2.0f - 1.0f),
right * 2.0f - 1.0f,
-(top * 2.0f - 1.0f),
left * 2.0f - 1.0f,
-(bottom * 2.0f - 1.0f),
right * 2.0f - 1.0f,
-(bottom * 2.0f - 1.0f)
};
// Use flipped texture coordinates since our
// projection matrix also has a flip and we
// need to cancel that out.
float coords[] = { left, bottom,
right, bottom,
left, top,
right, top
};
mGLContext->fVertexAttribPointer(vcattr,
2, LOCAL_GL_FLOAT,
LOCAL_GL_FALSE,
0, vertices);
mGLContext->fVertexAttribPointer(tcattr,
2, LOCAL_GL_FLOAT,
LOCAL_GL_FALSE,
0, coords);
mGLContext->fDrawArrays(LOCAL_GL_TRIANGLE_STRIP, 0, 4);
}
mGLContext->fDisableVertexAttribArray(vcattr);
mGLContext->fDisableVertexAttribArray(tcattr);
mGLContext->fFlush();
mGLContext->fBindBuffer(LOCAL_GL_ARRAY_BUFFER, 0);
}
bool
ShadowLayerForwarder::EndTransaction(InfallibleTArray<EditReply>* aReplies)
{
SAMPLE_LABEL("ShadowLayerForwarder", "EndTranscation");
RenderTraceScope rendertrace("Foward Transaction", "000091");
NS_ABORT_IF_FALSE(HasShadowManager(), "no manager to forward to");
NS_ABORT_IF_FALSE(!mTxn->Finished(), "forgot BeginTransaction?");
AutoTxnEnd _(mTxn);
if (mTxn->Empty()) {
MOZ_LAYERS_LOG(("[LayersForwarder] 0-length cset (?), skipping Update()"));
return true;
}
MOZ_LAYERS_LOG(("[LayersForwarder] destroying buffers..."));
for (PRUint32 i = 0; i < mTxn->mDyingBuffers.Length(); ++i) {
DestroySharedSurface(&mTxn->mDyingBuffers[i]);
}
MOZ_LAYERS_LOG(("[LayersForwarder] building transaction..."));
// We purposely add attribute-change ops to the final changeset
// before we add paint ops. This allows layers to record the
// attribute changes before new pixels arrive, which can be useful
// for setting up back/front buffers.
RenderTraceScope rendertrace2("Foward Transaction", "000092");
for (ShadowableLayerSet::const_iterator it = mTxn->mMutants.begin();
it != mTxn->mMutants.end(); ++it) {
ShadowableLayer* shadow = *it;
Layer* mutant = shadow->AsLayer();
NS_ABORT_IF_FALSE(!!mutant, "unshadowable layer?");
LayerAttributes attrs;
CommonLayerAttributes& common = attrs.common();
common.visibleRegion() = mutant->GetVisibleRegion();
common.transform() = mutant->GetTransform();
common.contentFlags() = mutant->GetContentFlags();
common.opacity() = mutant->GetOpacity();
common.useClipRect() = !!mutant->GetClipRect();
common.clipRect() = (common.useClipRect() ?
*mutant->GetClipRect() : nsIntRect());
common.isFixedPosition() = mutant->GetIsFixedPosition();
if (Layer* maskLayer = mutant->GetMaskLayer()) {
common.maskLayerChild() = Shadow(maskLayer->AsShadowableLayer());
} else {
common.maskLayerChild() = NULL;
}
common.maskLayerParent() = NULL;
attrs.specific() = null_t();
mutant->FillSpecificAttributes(attrs.specific());
mTxn->AddEdit(OpSetLayerAttributes(NULL, Shadow(shadow), attrs));
}
AutoInfallibleTArray<Edit, 10> cset;
size_t nCsets = mTxn->mCset.size() + mTxn->mPaints.size();
NS_ABORT_IF_FALSE(nCsets > 0, "should have bailed by now");
cset.SetCapacity(nCsets);
if (!mTxn->mCset.empty()) {
cset.AppendElements(&mTxn->mCset.front(), mTxn->mCset.size());
}
// Paints after non-paint ops, including attribute changes. See
// above.
if (!mTxn->mPaints.empty()) {
cset.AppendElements(&mTxn->mPaints.front(), mTxn->mPaints.size());
}
MOZ_LAYERS_LOG(("[LayersForwarder] syncing before send..."));
PlatformSyncBeforeUpdate();
if (mTxn->mSwapRequired) {
MOZ_LAYERS_LOG(("[LayersForwarder] sending transaction..."));
RenderTraceScope rendertrace3("Forward Transaction", "000093");
if (!mShadowManager->SendUpdate(cset, mIsFirstPaint, aReplies)) {
MOZ_LAYERS_LOG(("[LayersForwarder] WARNING: sending transaction failed!"));
return false;
}
} else {
// If we don't require a swap we can call SendUpdateNoSwap which
// assumes that aReplies is empty (DEBUG assertion)
MOZ_LAYERS_LOG(("[LayersForwarder] sending no swap transaction..."));
RenderTraceScope rendertrace3("Forward NoSwap Transaction", "000093");
if (!mShadowManager->SendUpdateNoSwap(cset, mIsFirstPaint)) {
MOZ_LAYERS_LOG(("[LayersForwarder] WARNING: sending transaction failed!"));
return false;
}
}
mIsFirstPaint = false;
MOZ_LAYERS_LOG(("[LayersForwarder] ... done"));
return true;
}
NS_IMETHODIMP
nsPluginStreamListenerPeer::OnStartRequest(nsIRequest *request,
nsISupports* aContext)
{
nsresult rv = NS_OK;
SAMPLE_LABEL("nsPluginStreamListenerPeer", "OnStartRequest");
if (mRequests.IndexOfObject(GetBaseRequest(request)) == -1) {
NS_ASSERTION(mRequests.Count() == 0,
"Only our initial stream should be unknown!");
TrackRequest(request);
}
if (mHaveFiredOnStartRequest) {
return NS_OK;
}
mHaveFiredOnStartRequest = true;
nsCOMPtr<nsIChannel> channel = do_QueryInterface(request);
NS_ENSURE_TRUE(channel, NS_ERROR_FAILURE);
// deal with 404 (Not Found) HTTP response,
// just return, this causes the request to be ignored.
nsCOMPtr<nsIHttpChannel> httpChannel(do_QueryInterface(channel));
if (httpChannel) {
uint32_t responseCode = 0;
rv = httpChannel->GetResponseStatus(&responseCode);
if (NS_FAILED(rv)) {
// NPP_Notify() will be called from OnStopRequest
// in nsNPAPIPluginStreamListener::CleanUpStream
// return error will cancel this request
// ...and we also need to tell the plugin that
mRequestFailed = true;
return NS_ERROR_FAILURE;
}
if (responseCode > 206) { // not normal
uint32_t wantsAllNetworkStreams = 0;
// We don't always have an instance here already, but if we do, check
// to see if it wants all streams.
if (mPluginInstance) {
rv = mPluginInstance->GetValueFromPlugin(NPPVpluginWantsAllNetworkStreams,
&wantsAllNetworkStreams);
// If the call returned an error code make sure we still use our default value.
if (NS_FAILED(rv)) {
wantsAllNetworkStreams = 0;
}
}
if (!wantsAllNetworkStreams) {
mRequestFailed = true;
return NS_ERROR_FAILURE;
}
}
}
// Get the notification callbacks from the channel and save it as
// week ref we'll use it in nsPluginStreamInfo::RequestRead() when
// we'll create channel for byte range request.
nsCOMPtr<nsIInterfaceRequestor> callbacks;
channel->GetNotificationCallbacks(getter_AddRefs(callbacks));
if (callbacks)
mWeakPtrChannelCallbacks = do_GetWeakReference(callbacks);
nsCOMPtr<nsILoadGroup> loadGroup;
channel->GetLoadGroup(getter_AddRefs(loadGroup));
if (loadGroup)
mWeakPtrChannelLoadGroup = do_GetWeakReference(loadGroup);
int64_t length;
rv = channel->GetContentLength(&length);
// it's possible for the server to not send a Content-Length.
// we should still work in this case.
if (NS_FAILED(rv) || length == -1) {
// check out if this is file channel
nsCOMPtr<nsIFileChannel> fileChannel = do_QueryInterface(channel);
if (fileChannel) {
// file does not exist
mRequestFailed = true;
return NS_ERROR_FAILURE;
}
mLength = 0;
}
else {
mLength = length;
}
nsAutoCString aContentType; // XXX but we already got the type above!
rv = channel->GetContentType(aContentType);
if (NS_FAILED(rv))
return rv;
nsCOMPtr<nsIURI> aURL;
rv = channel->GetURI(getter_AddRefs(aURL));
if (NS_FAILED(rv))
return rv;
aURL->GetSpec(mURLSpec);
if (!aContentType.IsEmpty())
mContentType = aContentType;
#ifdef PLUGIN_LOGGING
PR_LOG(nsPluginLogging::gPluginLog, PLUGIN_LOG_NOISY,
("nsPluginStreamListenerPeer::OnStartRequest this=%p request=%p mime=%s, url=%s\n",
this, request, aContentType.get(), mURLSpec.get()));
PR_LogFlush();
#endif
// Set up the stream listener...
rv = SetUpStreamListener(request, aURL);
if (NS_FAILED(rv)) return rv;
return rv;
}
PRUint32
nsInputStreamPump::OnStateTransfer()
{
SAMPLE_LABEL("Input", "nsInputStreamPump::OnStateTransfer");
LOG((" OnStateTransfer [this=%x]\n", this));
// if canceled, go directly to STATE_STOP...
if (NS_FAILED(mStatus))
return STATE_STOP;
nsresult rv;
PRUint32 avail;
rv = mAsyncStream->Available(&avail);
LOG((" Available returned [stream=%x rv=%x avail=%u]\n", mAsyncStream.get(), rv, avail));
if (rv == NS_BASE_STREAM_CLOSED) {
rv = NS_OK;
avail = 0;
}
else if (NS_SUCCEEDED(rv) && avail) {
// figure out how much data to report (XXX detect overflow??)
if (PRUint64(avail) + mStreamOffset > mStreamLength)
avail = PRUint32(mStreamLength - mStreamOffset);
if (avail) {
// we used to limit avail to 16K - we were afraid some ODA handlers
// might assume they wouldn't get more than 16K at once
// we're removing that limit since it speeds up local file access.
// Now there's an implicit 64K limit of 4 16K segments
// NOTE: ok, so the story is as follows. OnDataAvailable impls
// are by contract supposed to consume exactly |avail| bytes.
// however, many do not... mailnews... stream converters...
// cough, cough. the input stream pump is fairly tolerant
// in this regard; however, if an ODA does not consume any
// data from the stream, then we could potentially end up in
// an infinite loop. we do our best here to try to catch
// such an error. (see bug 189672)
// in most cases this QI will succeed (mAsyncStream is almost always
// a nsPipeInputStream, which implements nsISeekableStream::Tell).
PRInt64 offsetBefore;
nsCOMPtr<nsISeekableStream> seekable = do_QueryInterface(mAsyncStream);
if (seekable && NS_FAILED(seekable->Tell(&offsetBefore))) {
NS_NOTREACHED("Tell failed on readable stream");
offsetBefore = 0;
}
// report the current stream offset to our listener... if we've
// streamed more than PR_UINT32_MAX, then avoid overflowing the
// stream offset. it's the best we can do without a 64-bit stream
// listener API.
PRUint32 odaOffset =
mStreamOffset > PR_UINT32_MAX ?
PR_UINT32_MAX : PRUint32(mStreamOffset);
LOG((" calling OnDataAvailable [offset=%lld(%u) count=%u]\n",
mStreamOffset, odaOffset, avail));
rv = mListener->OnDataAvailable(this, mListenerContext, mAsyncStream,
odaOffset, avail);
// don't enter this code if ODA failed or called Cancel
if (NS_SUCCEEDED(rv) && NS_SUCCEEDED(mStatus)) {
// test to see if this ODA failed to consume data
if (seekable) {
// NOTE: if Tell fails, which can happen if the stream is
// now closed, then we assume that everything was read.
PRInt64 offsetAfter;
if (NS_FAILED(seekable->Tell(&offsetAfter)))
offsetAfter = offsetBefore + avail;
if (offsetAfter > offsetBefore)
mStreamOffset += (offsetAfter - offsetBefore);
else if (mSuspendCount == 0) {
//
// possible infinite loop if we continue pumping data!
//
// NOTE: although not allowed by nsIStreamListener, we
// will allow the ODA impl to Suspend the pump. IMAP
// does this :-(
//
NS_ERROR("OnDataAvailable implementation consumed no data");
mStatus = NS_ERROR_UNEXPECTED;
}
}
else
mStreamOffset += avail; // assume ODA behaved well
}
}
}
// an error returned from Available or OnDataAvailable should cause us to
// abort; however, we must not stomp on mStatus if already canceled.
if (NS_SUCCEEDED(mStatus)) {
if (NS_FAILED(rv))
mStatus = rv;
else if (avail) {
// if stream is now closed, advance to STATE_STOP right away.
// Available may return 0 bytes available at the moment; that
// would not mean that we are done.
// XXX async streams should have a GetStatus method!
rv = mAsyncStream->Available(&avail);
if (NS_SUCCEEDED(rv))
return STATE_TRANSFER;
}
}
return STATE_STOP;
}
