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gecko-dev/dom/ipc/TabParent.cpp

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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 "base/basictypes.h"
#include "TabParent.h"
#ifdef ACCESSIBILITY
#include "mozilla/a11y/DocAccessibleParent.h"
#include "nsAccessibilityService.h"
#endif
#include "mozilla/BrowserElementParent.h"
#include "mozilla/dom/ChromeMessageSender.h"
#include "mozilla/dom/ContentBridgeParent.h"
#include "mozilla/dom/ContentParent.h"
#include "mozilla/dom/DataTransfer.h"
#include "mozilla/dom/DataTransferItemList.h"
#include "mozilla/dom/Event.h"
#include "mozilla/dom/indexedDB/ActorsParent.h"
#include "mozilla/dom/IPCBlobUtils.h"
#include "mozilla/dom/PaymentRequestParent.h"
#include "mozilla/EventStateManager.h"
#include "mozilla/gfx/2D.h"
#include "mozilla/gfx/DataSurfaceHelpers.h"
#include "mozilla/gfx/GPUProcessManager.h"
#include "mozilla/Hal.h"
#include "mozilla/IMEStateManager.h"
#include "mozilla/jsipc/CrossProcessObjectWrappers.h"
#include "mozilla/layers/AsyncDragMetrics.h"
#include "mozilla/layers/InputAPZContext.h"
#include "mozilla/layout/RenderFrameParent.h"
#include "mozilla/plugins/PPluginWidgetParent.h"
#include "mozilla/LookAndFeel.h"
#include "mozilla/MouseEvents.h"
#include "mozilla/net/NeckoChild.h"
#include "mozilla/Preferences.h"
#include "mozilla/PresShell.h"
#include "mozilla/TextEvents.h"
#include "mozilla/TouchEvents.h"
#include "mozilla/UniquePtr.h"
#include "mozilla/Unused.h"
#include "nsCOMPtr.h"
#include "nsContentAreaDragDrop.h"
#include "nsContentUtils.h"
#include "nsDebug.h"
#include "nsFocusManager.h"
#include "nsFrameLoader.h"
#include "nsFrameManager.h"
#include "nsIBaseWindow.h"
#include "nsIBrowser.h"
#include "nsIContent.h"
#include "nsIDocShell.h"
#include "nsIDocShellTreeOwner.h"
#include "nsIDOMElement.h"
#include "nsIDOMWindow.h"
#include "nsIDOMWindowUtils.h"
#include "nsIInterfaceRequestorUtils.h"
#include "nsILoadInfo.h"
#include "nsIPromptFactory.h"
#include "nsIURI.h"
#include "nsIWindowWatcher.h"
#include "nsIWebBrowserChrome.h"
#include "nsIXULBrowserWindow.h"
#include "nsIXULWindow.h"
#include "nsIRemoteBrowser.h"
#include "nsViewManager.h"
#include "nsVariant.h"
#include "nsIWidget.h"
#include "nsNetUtil.h"
#ifndef XP_WIN
#include "nsJARProtocolHandler.h"
#endif
#include "nsPIDOMWindow.h"
#include "nsPrintfCString.h"
#include "nsServiceManagerUtils.h"
#include "nsThreadUtils.h"
#include "PermissionMessageUtils.h"
#include "StructuredCloneData.h"
#include "ColorPickerParent.h"
#include "FilePickerParent.h"
#include "TabChild.h"
#include "LoadContext.h"
#include "nsNetCID.h"
#include "nsIAuthInformation.h"
#include "nsIAuthPromptCallback.h"
#include "nsAuthInformationHolder.h"
#include "nsICancelable.h"
#include "gfxPrefs.h"
#include "nsILoginManagerPrompter.h"
#include "nsPIWindowRoot.h"
#include "nsIAuthPrompt2.h"
#include "gfxDrawable.h"
#include "ImageOps.h"
#include "UnitTransforms.h"
#include <algorithm>
#include "mozilla/WebBrowserPersistDocumentParent.h"
#include "ProcessPriorityManager.h"
#include "nsString.h"
#include "NullPrincipal.h"
#ifdef XP_WIN
#include "mozilla/plugins/PluginWidgetParent.h"
#endif
#if defined(XP_WIN) && defined(ACCESSIBILITY)
#include "mozilla/a11y/AccessibleWrap.h"
#include "mozilla/a11y/Compatibility.h"
#include "mozilla/a11y/nsWinUtils.h"
#endif
using namespace mozilla::dom;
using namespace mozilla::ipc;
using namespace mozilla::layers;
using namespace mozilla::layout;
using namespace mozilla::services;
using namespace mozilla::widget;
using namespace mozilla::jsipc;
using namespace mozilla::gfx;
using mozilla::Unused;
// The flags passed by the webProgress notifications are 16 bits shifted
// from the ones registered by webProgressListeners.
#define NOTIFY_FLAG_SHIFT 16
namespace mozilla {
namespace dom {
TabParent::LayerToTabParentTable* TabParent::sLayerToTabParentTable = nullptr;
NS_IMPL_ISUPPORTS(TabParent,
nsITabParent,
nsIAuthPromptProvider,
nsISecureBrowserUI,
nsISupportsWeakReference)
TabParent::TabParent(nsIContentParent* aManager,
const TabId& aTabId,
const TabContext& aContext,
uint32_t aChromeFlags)
: TabContext(aContext)
, mFrameElement(nullptr)
, mContentCache(*this)
, mRect(0, 0, 0, 0)
, mDimensions(0, 0)
, mOrientation(0)
, mDPI(0)
, mRounding(0)
, mDefaultScale(0)
, mUpdatedDimensions(false)
, mSizeMode(nsSizeMode_Normal)
, mManager(aManager)
, mDocShellIsActive(false)
, mMarkedDestroying(false)
, mIsDestroyed(false)
, mChromeFlags(aChromeFlags)
, mDragValid(false)
, mInitedByParent(false)
, mTabId(aTabId)
, mCreatingWindow(false)
, mCursor(eCursorInvalid)
, mTabSetsCursor(false)
, mHasContentOpener(false)
#ifdef DEBUG
, mActiveSupressDisplayportCount(0)
#endif
, mLayerTreeEpoch(1)
, mPreserveLayers(false)
, mRenderLayers(true)
, mHasLayers(false)
, mHasPresented(false)
, mHasBeforeUnload(false)
, mIsMouseEnterIntoWidgetEventSuppressed(false)
{
MOZ_ASSERT(aManager);
// When the input event queue is disabled, we don't need to handle the case
// that some input events are dispatched before PBrowserConstructor.
mIsReadyToHandleInputEvents = !ContentParent::IsInputEventQueueSupported();
}
TabParent::~TabParent()
{
}
TabParent*
TabParent::GetTabParentFromLayersId(layers::LayersId aLayersId)
{
if (!sLayerToTabParentTable) {
return nullptr;
}
return sLayerToTabParentTable->Get(uint64_t(aLayersId));
}
void
TabParent::AddTabParentToTable(layers::LayersId aLayersId, TabParent* aTabParent)
{
if (!sLayerToTabParentTable) {
sLayerToTabParentTable = new LayerToTabParentTable();
}
sLayerToTabParentTable->Put(uint64_t(aLayersId), aTabParent);
}
void
TabParent::RemoveTabParentFromTable(layers::LayersId aLayersId)
{
if (!sLayerToTabParentTable) {
return;
}
sLayerToTabParentTable->Remove(uint64_t(aLayersId));
if (sLayerToTabParentTable->Count() == 0) {
delete sLayerToTabParentTable;
sLayerToTabParentTable = nullptr;
}
}
void
TabParent::CacheFrameLoader(nsFrameLoader* aFrameLoader)
{
mFrameLoader = aFrameLoader;
}
/**
* Will return nullptr if there is no outer window available for the
* document hosting the owner element of this TabParent. Also will return
* nullptr if that outer window is in the process of closing.
*/
already_AddRefed<nsPIDOMWindowOuter>
TabParent::GetParentWindowOuter()
{
nsCOMPtr<nsIContent> frame = do_QueryInterface(GetOwnerElement());
if (!frame) {
return nullptr;
}
nsCOMPtr<nsPIDOMWindowOuter> parent = frame->OwnerDoc()->GetWindow();
if (!parent || parent->Closed()) {
return nullptr;
}
return parent.forget();
}
void
TabParent::SetOwnerElement(Element* aElement)
{
// If we held previous content then unregister for its events.
RemoveWindowListeners();
// If we change top-level documents then we need to change our
// registration with them.
RefPtr<nsPIWindowRoot> curTopLevelWin, newTopLevelWin;
if (mFrameElement) {
curTopLevelWin = nsContentUtils::GetWindowRoot(mFrameElement->OwnerDoc());
}
if (aElement) {
newTopLevelWin = nsContentUtils::GetWindowRoot(aElement->OwnerDoc());
}
bool isSameTopLevelWin = curTopLevelWin == newTopLevelWin;
if (curTopLevelWin && !isSameTopLevelWin) {
curTopLevelWin->RemoveBrowser(this);
}
// Update to the new content, and register to listen for events from it.
mFrameElement = aElement;
if (newTopLevelWin && !isSameTopLevelWin) {
newTopLevelWin->AddBrowser(this);
}
if (mFrameElement) {
bool useGlobalHistory =
!mFrameElement->HasAttr(kNameSpaceID_None, nsGkAtoms::disableglobalhistory);
Unused << SendSetUseGlobalHistory(useGlobalHistory);
}
#if defined(XP_WIN) && defined(ACCESSIBILITY)
if (!mIsDestroyed) {
uintptr_t newWindowHandle = 0;
if (nsCOMPtr<nsIWidget> widget = GetWidget()) {
newWindowHandle =
reinterpret_cast<uintptr_t>(widget->GetNativeData(NS_NATIVE_WINDOW));
}
Unused << SendUpdateNativeWindowHandle(newWindowHandle);
a11y::DocAccessibleParent* doc = GetTopLevelDocAccessible();
if (doc) {
HWND hWnd = reinterpret_cast<HWND>(doc->GetEmulatedWindowHandle());
if (hWnd) {
HWND parentHwnd = reinterpret_cast<HWND>(newWindowHandle);
if (parentHwnd != ::GetParent(hWnd)) {
::SetParent(hWnd, parentHwnd);
}
}
}
}
#endif
AddWindowListeners();
TryCacheDPIAndScale();
// Try to send down WidgetNativeData, now that this TabParent is associated
// with a widget.
nsCOMPtr<nsIWidget> widget = GetTopLevelWidget();
if (widget) {
WindowsHandle widgetNativeData = reinterpret_cast<WindowsHandle>(
widget->GetNativeData(NS_NATIVE_SHAREABLE_WINDOW));
if (widgetNativeData) {
Unused << SendSetWidgetNativeData(widgetNativeData);
}
}
}
void
TabParent::AddWindowListeners()
{
if (mFrameElement) {
if (nsCOMPtr<nsPIDOMWindowOuter> window = mFrameElement->OwnerDoc()->GetWindow()) {
nsCOMPtr<EventTarget> eventTarget = window->GetTopWindowRoot();
if (eventTarget) {
eventTarget->AddEventListener(NS_LITERAL_STRING("MozUpdateWindowPos"),
this, false, false);
}
}
}
}
void
TabParent::RemoveWindowListeners()
{
if (mFrameElement && mFrameElement->OwnerDoc()->GetWindow()) {
nsCOMPtr<nsPIDOMWindowOuter> window = mFrameElement->OwnerDoc()->GetWindow();
nsCOMPtr<EventTarget> eventTarget = window->GetTopWindowRoot();
if (eventTarget) {
eventTarget->RemoveEventListener(NS_LITERAL_STRING("MozUpdateWindowPos"),
this, false);
}
}
}
void
TabParent::DestroyInternal()
{
IMEStateManager::OnTabParentDestroying(this);
RemoveWindowListeners();
#ifdef ACCESSIBILITY
if (a11y::DocAccessibleParent* tabDoc = GetTopLevelDocAccessible()) {
tabDoc->Destroy();
}
#endif
// If this fails, it's most likely due to a content-process crash,
// and auto-cleanup will kick in. Otherwise, the child side will
// destroy itself and send back __delete__().
Unused << SendDestroy();
if (RenderFrameParent* frame = GetRenderFrame()) {
RemoveTabParentFromTable(frame->GetLayersId());
frame->Destroy();
}
#ifdef XP_WIN
// Let all PluginWidgets know we are tearing down. Prevents
// these objects from sending async events after the child side
// is shut down.
const ManagedContainer<PPluginWidgetParent>& kids =
ManagedPPluginWidgetParent();
for (auto iter = kids.ConstIter(); !iter.Done(); iter.Next()) {
static_cast<mozilla::plugins::PluginWidgetParent*>(
iter.Get()->GetKey())->ParentDestroy();
}
#endif
}
void
TabParent::Destroy()
{
// Aggressively release the window to avoid leaking the world in shutdown
// corner cases.
mBrowserDOMWindow = nullptr;
if (mIsDestroyed) {
return;
}
DestroyInternal();
mIsDestroyed = true;
if (XRE_IsParentProcess()) {
ContentParent::NotifyTabDestroying(this->GetTabId(), Manager()->AsContentParent()->ChildID());
} else {
ContentParent::NotifyTabDestroying(this->GetTabId(), Manager()->ChildID());
}
mMarkedDestroying = true;
}
mozilla::ipc::IPCResult
TabParent::RecvEnsureLayersConnected(CompositorOptions* aCompositorOptions)
{
if (RenderFrameParent* frame = GetRenderFrame()) {
frame->EnsureLayersConnected(aCompositorOptions);
}
return IPC_OK();
}
mozilla::ipc::IPCResult
TabParent::Recv__delete__()
{
if (XRE_IsParentProcess()) {
ContentParent::UnregisterRemoteFrame(mTabId,
Manager()->AsContentParent()->ChildID(),
mMarkedDestroying);
}
else {
Manager()->AsContentBridgeParent()->NotifyTabDestroyed();
ContentParent::UnregisterRemoteFrame(mTabId,
Manager()->ChildID(),
mMarkedDestroying);
}
return IPC_OK();
}
void
TabParent::ActorDestroy(ActorDestroyReason why)
{
// Even though TabParent::Destroy calls this, we need to do it here too in
// case of a crash.
IMEStateManager::OnTabParentDestroying(this);
// Prevent executing ContentParent::NotifyTabDestroying in
// TabParent::Destroy() called by frameLoader->DestroyComplete() below
// when tab crashes in contentprocess because ContentParent::ActorDestroy()
// in main process will be triggered before this function
// and remove the process information that
// ContentParent::NotifyTabDestroying need from mContentParentMap.
// When tab crashes in content process,
// there is no need to call ContentParent::NotifyTabDestroying
// because the jobs in ContentParent::NotifyTabDestroying
// will be done by ContentParent::ActorDestroy.
if (XRE_IsContentProcess() && why == AbnormalShutdown && !mIsDestroyed) {
DestroyInternal();
mIsDestroyed = true;
}
RefPtr<nsFrameLoader> frameLoader = GetFrameLoader(true);
nsCOMPtr<nsIObserverService> os = services::GetObserverService();
if (frameLoader) {
nsCOMPtr<Element> frameElement(mFrameElement);
ReceiveMessage(CHILD_PROCESS_SHUTDOWN_MESSAGE, false, nullptr, nullptr,
nullptr);
frameLoader->DestroyComplete();
if (why == AbnormalShutdown && os) {
os->NotifyObservers(ToSupports(frameLoader),
"oop-frameloader-crashed", nullptr);
nsCOMPtr<nsIFrameLoaderOwner> owner = do_QueryInterface(frameElement);
if (owner) {
RefPtr<nsFrameLoader> currentFrameLoader = owner->GetFrameLoader();
// It's possible that the frameloader owner has already moved on
// and created a new frameloader. If so, we don't fire the event,
// since the frameloader owner has clearly moved on.
if (currentFrameLoader == frameLoader) {
nsContentUtils::DispatchTrustedEvent(frameElement->OwnerDoc(), frameElement,
NS_LITERAL_STRING("oop-browser-crashed"),
true, true);
}
}
}
mFrameLoader = nullptr;
}
if (os) {
os->NotifyObservers(NS_ISUPPORTS_CAST(nsITabParent*, this), "ipc:browser-destroyed", nullptr);
}
}
mozilla::ipc::IPCResult
TabParent::RecvMoveFocus(const bool& aForward, const bool& aForDocumentNavigation)
{
nsCOMPtr<nsIFocusManager> fm = do_GetService(FOCUSMANAGER_CONTRACTID);
if (fm) {
nsCOMPtr<nsIDOMElement> dummy;
uint32_t type = aForward ?
(aForDocumentNavigation ? static_cast<uint32_t>(nsIFocusManager::MOVEFOCUS_FORWARDDOC) :
static_cast<uint32_t>(nsIFocusManager::MOVEFOCUS_FORWARD)) :
(aForDocumentNavigation ? static_cast<uint32_t>(nsIFocusManager::MOVEFOCUS_BACKWARDDOC) :
static_cast<uint32_t>(nsIFocusManager::MOVEFOCUS_BACKWARD));
nsCOMPtr<nsIDOMElement> frame = do_QueryInterface(mFrameElement);
fm->MoveFocus(nullptr, frame, type, nsIFocusManager::FLAG_BYKEY,
getter_AddRefs(dummy));
}
return IPC_OK();
}
mozilla::ipc::IPCResult
TabParent::RecvSizeShellTo(const uint32_t& aFlags, const int32_t& aWidth, const int32_t& aHeight,
const int32_t& aShellItemWidth, const int32_t& aShellItemHeight)
{
NS_ENSURE_TRUE(mFrameElement, IPC_OK());
nsCOMPtr<nsIDocShell> docShell = mFrameElement->OwnerDoc()->GetDocShell();
NS_ENSURE_TRUE(docShell, IPC_OK());
nsCOMPtr<nsIDocShellTreeOwner> treeOwner;
nsresult rv = docShell->GetTreeOwner(getter_AddRefs(treeOwner));
NS_ENSURE_SUCCESS(rv, IPC_OK());
int32_t width = aWidth;
int32_t height = aHeight;
if (aFlags & nsIEmbeddingSiteWindow::DIM_FLAGS_IGNORE_CX) {
width = mDimensions.width;
}
if (aFlags & nsIEmbeddingSiteWindow::DIM_FLAGS_IGNORE_CY) {
height = mDimensions.height;
}
nsCOMPtr<nsIXULWindow> xulWin(do_GetInterface(treeOwner));
NS_ENSURE_TRUE(xulWin, IPC_OK());
xulWin->SizeShellToWithLimit(width, height, aShellItemWidth, aShellItemHeight);
return IPC_OK();
}
mozilla::ipc::IPCResult
TabParent::RecvDropLinks(nsTArray<nsString>&& aLinks)
{
nsCOMPtr<nsIBrowser> browser = do_QueryInterface(mFrameElement);
if (browser) {
// Verify that links have not been modified by the child. If links have
// not been modified then it's safe to load those links using the
// SystemPrincipal. If they have been modified by web content, then
// we use a NullPrincipal which still allows to load web links.
bool loadUsingSystemPrincipal = true;
if (aLinks.Length() != mVerifyDropLinks.Length()) {
loadUsingSystemPrincipal = false;
}
UniquePtr<const char16_t*[]> links;
links = MakeUnique<const char16_t*[]>(aLinks.Length());
for (uint32_t i = 0; i < aLinks.Length(); i++) {
if (loadUsingSystemPrincipal) {
if (!aLinks[i].Equals(mVerifyDropLinks[i])) {
loadUsingSystemPrincipal = false;
}
}
links[i] = aLinks[i].get();
}
mVerifyDropLinks.Clear();
nsCOMPtr<nsIPrincipal> triggeringPrincipal;
if (loadUsingSystemPrincipal) {
triggeringPrincipal = nsContentUtils::GetSystemPrincipal();
} else {
triggeringPrincipal = NullPrincipal::CreateWithoutOriginAttributes();
}
browser->DropLinks(aLinks.Length(), links.get(), triggeringPrincipal);
}
return IPC_OK();
}
mozilla::ipc::IPCResult
TabParent::RecvEvent(const RemoteDOMEvent& aEvent)
{
RefPtr<Event> event = aEvent.mEvent;
NS_ENSURE_TRUE(event, IPC_OK());
nsCOMPtr<mozilla::dom::EventTarget> target = do_QueryInterface(mFrameElement);
NS_ENSURE_TRUE(target, IPC_OK());
event->SetOwner(target);
target->DispatchEvent(*event);
return IPC_OK();
}
bool
TabParent::SendLoadRemoteScript(const nsString& aURL,
const bool& aRunInGlobalScope)
{
if (mCreatingWindow) {
mDelayedFrameScripts.AppendElement(FrameScriptInfo(aURL, aRunInGlobalScope));
return true;
}
MOZ_ASSERT(mDelayedFrameScripts.IsEmpty());
return PBrowserParent::SendLoadRemoteScript(aURL, aRunInGlobalScope);
}
void
TabParent::LoadURL(nsIURI* aURI)
{
MOZ_ASSERT(aURI);
if (mIsDestroyed) {
return;
}
nsCString spec;
aURI->GetSpec(spec);
if (mCreatingWindow) {
// Don't send the message if the child wants to load its own URL.
MOZ_ASSERT(mDelayedURL.IsEmpty());
mDelayedURL = spec;
return;
}
Unused << SendLoadURL(spec, GetShowInfo());
}
void
TabParent::InitRenderFrame()
{
if (IsInitedByParent()) {
// If TabParent is initialized by parent side then the RenderFrame must also
// be created here. If TabParent is initialized by child side,
// child side will create RenderFrame.
MOZ_ASSERT(!GetRenderFrame());
RefPtr<nsFrameLoader> frameLoader = GetFrameLoader();
MOZ_ASSERT(frameLoader);
if (frameLoader) {
RenderFrameParent* renderFrame = new RenderFrameParent(frameLoader);
MOZ_ASSERT(renderFrame->IsInitted());
layers::LayersId layersId = renderFrame->GetLayersId();
AddTabParentToTable(layersId, this);
if (!SendPRenderFrameConstructor(renderFrame)) {
return;
}
TextureFactoryIdentifier textureFactoryIdentifier;
renderFrame->GetTextureFactoryIdentifier(&textureFactoryIdentifier);
Unused << SendInitRendering(textureFactoryIdentifier, layersId,
renderFrame->GetCompositorOptions(),
renderFrame->IsLayersConnected(), renderFrame);
}
} else {
// Otherwise, the child should have constructed the RenderFrame,
// and we should already know about it.
MOZ_ASSERT(GetRenderFrame());
}
}
void
TabParent::Show(const ScreenIntSize& size, bool aParentIsActive)
{
mDimensions = size;
if (mIsDestroyed) {
return;
}
MOZ_ASSERT(GetRenderFrame());
nsCOMPtr<nsISupports> container = mFrameElement->OwnerDoc()->GetContainer();
nsCOMPtr<nsIBaseWindow> baseWindow = do_QueryInterface(container);
nsCOMPtr<nsIWidget> mainWidget;
baseWindow->GetMainWidget(getter_AddRefs(mainWidget));
mSizeMode = mainWidget ? mainWidget->SizeMode() : nsSizeMode_Normal;
Unused << SendShow(size, GetShowInfo(), aParentIsActive, mSizeMode);
}
mozilla::ipc::IPCResult
TabParent::RecvSetDimensions(const uint32_t& aFlags,
const int32_t& aX, const int32_t& aY,
const int32_t& aCx, const int32_t& aCy)
{
MOZ_ASSERT(!(aFlags & nsIEmbeddingSiteWindow::DIM_FLAGS_SIZE_INNER),
"We should never see DIM_FLAGS_SIZE_INNER here!");
NS_ENSURE_TRUE(mFrameElement, IPC_OK());
nsCOMPtr<nsIDocShell> docShell = mFrameElement->OwnerDoc()->GetDocShell();
NS_ENSURE_TRUE(docShell, IPC_OK());
nsCOMPtr<nsIDocShellTreeOwner> treeOwner;
docShell->GetTreeOwner(getter_AddRefs(treeOwner));
nsCOMPtr<nsIBaseWindow> treeOwnerAsWin = do_QueryInterface(treeOwner);
NS_ENSURE_TRUE(treeOwnerAsWin, IPC_OK());
// We only care about the parameters that actually changed, see more
// details in TabChild::SetDimensions.
int32_t unused;
int32_t x = aX;
if (aFlags & nsIEmbeddingSiteWindow::DIM_FLAGS_IGNORE_X) {
treeOwnerAsWin->GetPosition(&x, &unused);
}
int32_t y = aY;
if (aFlags & nsIEmbeddingSiteWindow::DIM_FLAGS_IGNORE_Y) {
treeOwnerAsWin->GetPosition(&unused, &y);
}
int32_t cx = aCx;
if (aFlags & nsIEmbeddingSiteWindow::DIM_FLAGS_IGNORE_CX) {
treeOwnerAsWin->GetSize(&cx, &unused);
}
int32_t cy = aCy;
if (aFlags & nsIEmbeddingSiteWindow::DIM_FLAGS_IGNORE_CY) {
treeOwnerAsWin->GetSize(&unused, &cy);
}
if (aFlags & nsIEmbeddingSiteWindow::DIM_FLAGS_POSITION &&
aFlags & nsIEmbeddingSiteWindow::DIM_FLAGS_SIZE_OUTER) {
treeOwnerAsWin->SetPositionAndSize(x, y, cx, cy,
nsIBaseWindow::eRepaint);
return IPC_OK();
}
if (aFlags & nsIEmbeddingSiteWindow::DIM_FLAGS_POSITION) {
treeOwnerAsWin->SetPosition(x, y);
mUpdatedDimensions = false;
UpdatePosition();
return IPC_OK();
}
if (aFlags & nsIEmbeddingSiteWindow::DIM_FLAGS_SIZE_OUTER) {
treeOwnerAsWin->SetSize(cx, cy, true);
return IPC_OK();
}
MOZ_ASSERT(false, "Unknown flags!");
return IPC_FAIL_NO_REASON(this);
}
nsresult
TabParent::UpdatePosition()
{
RefPtr<nsFrameLoader> frameLoader = GetFrameLoader();
if (!frameLoader) {
return NS_OK;
}
nsIntRect windowDims;
NS_ENSURE_SUCCESS(frameLoader->GetWindowDimensions(windowDims), NS_ERROR_FAILURE);
UpdateDimensions(windowDims, mDimensions);
return NS_OK;
}
void
TabParent::UpdateDimensions(const nsIntRect& rect, const ScreenIntSize& size)
{
if (mIsDestroyed) {
return;
}
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget) {
NS_WARNING("No widget found in TabParent::UpdateDimensions");
return;
}
hal::ScreenConfiguration config;
hal::GetCurrentScreenConfiguration(&config);
ScreenOrientationInternal orientation = config.orientation();
LayoutDeviceIntPoint clientOffset = GetClientOffset();
LayoutDeviceIntPoint chromeOffset = -GetChildProcessOffset();
if (!mUpdatedDimensions || mOrientation != orientation ||
mDimensions != size || !mRect.IsEqualEdges(rect) ||
clientOffset != mClientOffset ||
chromeOffset != mChromeOffset) {
mUpdatedDimensions = true;
mRect = rect;
mDimensions = size;
mOrientation = orientation;
mClientOffset = clientOffset;
mChromeOffset = chromeOffset;
Unused << SendUpdateDimensions(GetDimensionInfo());
}
}
DimensionInfo
TabParent::GetDimensionInfo()
{
nsCOMPtr<nsIWidget> widget = GetWidget();
MOZ_ASSERT(widget);
CSSToLayoutDeviceScale widgetScale = widget->GetDefaultScale();
LayoutDeviceIntRect devicePixelRect =
ViewAs<LayoutDevicePixel>(mRect,
PixelCastJustification::LayoutDeviceIsScreenForTabDims);
LayoutDeviceIntSize devicePixelSize =
ViewAs<LayoutDevicePixel>(mDimensions,
PixelCastJustification::LayoutDeviceIsScreenForTabDims);
CSSRect unscaledRect = devicePixelRect / widgetScale;
CSSSize unscaledSize = devicePixelSize / widgetScale;
DimensionInfo di(unscaledRect, unscaledSize, mOrientation,
mClientOffset, mChromeOffset);
return di;
}
void
TabParent::SizeModeChanged(const nsSizeMode& aSizeMode)
{
if (!mIsDestroyed && aSizeMode != mSizeMode) {
mSizeMode = aSizeMode;
Unused << SendSizeModeChanged(aSizeMode);
}
}
void
TabParent::UIResolutionChanged()
{
if (!mIsDestroyed) {
// TryCacheDPIAndScale()'s cache is keyed off of
// mDPI being greater than 0, so this invalidates it.
mDPI = -1;
TryCacheDPIAndScale();
// If mDPI was set to -1 to invalidate it and then TryCacheDPIAndScale
// fails to cache the values, then mDefaultScale.scale might be invalid.
// We don't want to send that value to content. Just send -1 for it too in
// that case.
Unused << SendUIResolutionChanged(mDPI, mRounding,
mDPI < 0 ? -1.0 : mDefaultScale.scale);
}
}
void
TabParent::ThemeChanged()
{
if (!mIsDestroyed) {
// The theme has changed, and any cached values we had sent down
// to the child have been invalidated. When this method is called,
// LookAndFeel should have the up-to-date values, which we now
// send down to the child. We do this for every remote tab for now,
// but bug 1156934 has been filed to do it once per content process.
Unused << SendThemeChanged(LookAndFeel::GetIntCache());
}
}
void
TabParent::HandleAccessKey(const WidgetKeyboardEvent& aEvent,
nsTArray<uint32_t>& aCharCodes)
{
if (!mIsDestroyed) {
// Note that we don't need to mark aEvent is posted to a remote process
// because the event may be dispatched to it as normal keyboard event.
// Therefore, we should use local copy to send it.
WidgetKeyboardEvent localEvent(aEvent);
Unused << SendHandleAccessKey(localEvent, aCharCodes);
}
}
void
TabParent::Activate()
{
if (!mIsDestroyed) {
Unused << Manager()->SendActivate(this);
}
}
void
TabParent::Deactivate()
{
if (!mIsDestroyed) {
Unused << Manager()->SendDeactivate(this);
}
}
NS_IMETHODIMP
TabParent::Init(mozIDOMWindowProxy *window)
{
return NS_OK;
}
NS_IMETHODIMP
TabParent::GetState(uint32_t *aState)
{
NS_ENSURE_ARG(aState);
NS_WARNING("SecurityState not valid here");
*aState = 0;
return NS_OK;
}
NS_IMETHODIMP
TabParent::SetDocShell(nsIDocShell *aDocShell)
{
NS_ENSURE_ARG(aDocShell);
NS_WARNING("No mDocShell member in TabParent so there is no docShell to set");
return NS_OK;
}
a11y::PDocAccessibleParent*
TabParent::AllocPDocAccessibleParent(PDocAccessibleParent* aParent,
const uint64_t&, const uint32_t&,
const IAccessibleHolder&)
{
#ifdef ACCESSIBILITY
return new a11y::DocAccessibleParent();
#else
return nullptr;
#endif
}
bool
TabParent::DeallocPDocAccessibleParent(PDocAccessibleParent* aParent)
{
#ifdef ACCESSIBILITY
delete static_cast<a11y::DocAccessibleParent*>(aParent);
#endif
return true;
}
mozilla::ipc::IPCResult
TabParent::RecvPDocAccessibleConstructor(PDocAccessibleParent* aDoc,
PDocAccessibleParent* aParentDoc,
const uint64_t& aParentID,
const uint32_t& aMsaaID,
const IAccessibleHolder& aDocCOMProxy)
{
#ifdef ACCESSIBILITY
auto doc = static_cast<a11y::DocAccessibleParent*>(aDoc);
// If this tab is already shutting down just mark the new actor as shutdown
// and ignore it. When the tab actor is destroyed it will be too.
if (mIsDestroyed) {
doc->MarkAsShutdown();
return IPC_OK();
}
if (aParentDoc) {
// A document should never directly be the parent of another document.
// There should always be an outer doc accessible child of the outer
// document containing the child.
MOZ_ASSERT(aParentID);
if (!aParentID) {
return IPC_FAIL_NO_REASON(this);
}
auto parentDoc = static_cast<a11y::DocAccessibleParent*>(aParentDoc);
mozilla::ipc::IPCResult added = parentDoc->AddChildDoc(doc, aParentID);
if (!added) {
#ifdef DEBUG
return added;
#else
return IPC_OK();
#endif
}
#ifdef XP_WIN
MOZ_ASSERT(aDocCOMProxy.IsNull());
a11y::WrapperFor(doc)->SetID(aMsaaID);
if (a11y::nsWinUtils::IsWindowEmulationStarted()) {
doc->SetEmulatedWindowHandle(parentDoc->GetEmulatedWindowHandle());
}
#endif
return IPC_OK();
} else {
// null aParentDoc means this document is at the top level in the child
// process. That means it makes no sense to get an id for an accessible
// that is its parent.
MOZ_ASSERT(!aParentID);
if (aParentID) {
return IPC_FAIL_NO_REASON(this);
}
doc->SetTopLevel();
a11y::DocManager::RemoteDocAdded(doc);
#ifdef XP_WIN
a11y::WrapperFor(doc)->SetID(aMsaaID);
MOZ_ASSERT(!aDocCOMProxy.IsNull());
RefPtr<IAccessible> proxy(aDocCOMProxy.Get());
doc->SetCOMInterface(proxy);
doc->MaybeInitWindowEmulation();
doc->SendParentCOMProxy();
#endif
}
#endif
return IPC_OK();
}
a11y::DocAccessibleParent*
TabParent::GetTopLevelDocAccessible() const
{
#ifdef ACCESSIBILITY
// XXX Consider managing non top level PDocAccessibles with their parent
// document accessible.
const ManagedContainer<PDocAccessibleParent>& docs = ManagedPDocAccessibleParent();
for (auto iter = docs.ConstIter(); !iter.Done(); iter.Next()) {
auto doc = static_cast<a11y::DocAccessibleParent*>(iter.Get()->GetKey());
if (doc->IsTopLevel()) {
return doc;
}
}
MOZ_ASSERT(docs.Count() == 0, "If there isn't a top level accessible doc "
"there shouldn't be an accessible doc at all!");
#endif
return nullptr;
}
PFilePickerParent*
TabParent::AllocPFilePickerParent(const nsString& aTitle, const int16_t& aMode)
{
return new FilePickerParent(aTitle, aMode);
}
bool
TabParent::DeallocPFilePickerParent(PFilePickerParent* actor)
{
delete actor;
return true;
}
auto
TabParent::AllocPIndexedDBPermissionRequestParent(const Principal& aPrincipal)
-> PIndexedDBPermissionRequestParent*
{
MOZ_ASSERT(NS_IsMainThread());
nsCOMPtr<nsIPrincipal> principal(aPrincipal);
if (!principal) {
return nullptr;
}
nsCOMPtr<nsIContentParent> manager = Manager();
if (!manager->IsContentParent()) {
MOZ_CRASH("Figure out security checks for bridged content!");
}
if (NS_WARN_IF(!mFrameElement)) {
return nullptr;
}
return
mozilla::dom::indexedDB::AllocPIndexedDBPermissionRequestParent(mFrameElement,
principal);
}
mozilla::ipc::IPCResult
TabParent::RecvPIndexedDBPermissionRequestConstructor(
PIndexedDBPermissionRequestParent* aActor,
const Principal& aPrincipal)
{
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(aActor);
if (!mozilla::dom::indexedDB::RecvPIndexedDBPermissionRequestConstructor(aActor)) {
return IPC_FAIL_NO_REASON(this);
}
return IPC_OK();
}
bool
TabParent::DeallocPIndexedDBPermissionRequestParent(
PIndexedDBPermissionRequestParent* aActor)
{
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(aActor);
return
mozilla::dom::indexedDB::DeallocPIndexedDBPermissionRequestParent(aActor);
}
void
TabParent::SendMouseEvent(const nsAString& aType, float aX, float aY,
int32_t aButton, int32_t aClickCount,
int32_t aModifiers, bool aIgnoreRootScrollFrame)
{
if (!mIsDestroyed) {
Unused << PBrowserParent::SendMouseEvent(nsString(aType), aX, aY,
aButton, aClickCount,
aModifiers,
aIgnoreRootScrollFrame);
}
}
void
TabParent::SendRealMouseEvent(WidgetMouseEvent& aEvent)
{
if (mIsDestroyed) {
return;
}
aEvent.mRefPoint += GetChildProcessOffset();
nsCOMPtr<nsIWidget> widget = GetWidget();
if (widget) {
// When we mouseenter the tab, the tab's cursor should
// become the current cursor. When we mouseexit, we stop.
if (eMouseEnterIntoWidget == aEvent.mMessage) {
mTabSetsCursor = true;
if (mCustomCursor) {
widget->SetCursor(mCustomCursor,
mCustomCursorHotspotX, mCustomCursorHotspotY);
} else if (mCursor != eCursorInvalid) {
widget->SetCursor(mCursor);
}
} else if (eMouseExitFromWidget == aEvent.mMessage) {
mTabSetsCursor = false;
}
}
if (!mIsReadyToHandleInputEvents) {
if (eMouseEnterIntoWidget == aEvent.mMessage) {
mIsMouseEnterIntoWidgetEventSuppressed = true;
} else if (eMouseExitFromWidget == aEvent.mMessage) {
mIsMouseEnterIntoWidgetEventSuppressed = false;
}
return;
}
ScrollableLayerGuid guid;
uint64_t blockId;
ApzAwareEventRoutingToChild(&guid, &blockId, nullptr);
bool isInputPriorityEventEnabled =
Manager()->AsContentParent()->IsInputPriorityEventEnabled();
if (mIsMouseEnterIntoWidgetEventSuppressed) {
// In the case that the TabParent suppressed the eMouseEnterWidget event due
// to its corresponding TabChild wasn't ready to handle it, we have to
// resend it when the TabChild is ready.
mIsMouseEnterIntoWidgetEventSuppressed = false;
WidgetMouseEvent localEvent(aEvent);
localEvent.mMessage = eMouseEnterIntoWidget;
DebugOnly<bool> ret = isInputPriorityEventEnabled
? SendRealMouseButtonEvent(localEvent, guid, blockId)
: SendNormalPriorityRealMouseButtonEvent(localEvent, guid, blockId);
NS_WARNING_ASSERTION(ret, "SendRealMouseButtonEvent(eMouseEnterIntoWidget) failed");
MOZ_ASSERT(!ret || localEvent.HasBeenPostedToRemoteProcess());
}
if (eMouseMove == aEvent.mMessage) {
if (aEvent.mReason == WidgetMouseEvent::eSynthesized) {
DebugOnly<bool> ret = isInputPriorityEventEnabled
? SendSynthMouseMoveEvent(aEvent, guid, blockId)
: SendNormalPrioritySynthMouseMoveEvent(aEvent, guid, blockId);
NS_WARNING_ASSERTION(ret, "SendSynthMouseMoveEvent() failed");
MOZ_ASSERT(!ret || aEvent.HasBeenPostedToRemoteProcess());
return;
}
DebugOnly<bool> ret = isInputPriorityEventEnabled
? SendRealMouseMoveEvent(aEvent, guid, blockId)
: SendNormalPriorityRealMouseMoveEvent(aEvent, guid, blockId);
NS_WARNING_ASSERTION(ret, "SendRealMouseMoveEvent() failed");
MOZ_ASSERT(!ret || aEvent.HasBeenPostedToRemoteProcess());
return;
}
DebugOnly<bool> ret = isInputPriorityEventEnabled
? SendRealMouseButtonEvent(aEvent, guid, blockId)
: SendNormalPriorityRealMouseButtonEvent(aEvent, guid, blockId);
NS_WARNING_ASSERTION(ret, "SendRealMouseButtonEvent() failed");
MOZ_ASSERT(!ret || aEvent.HasBeenPostedToRemoteProcess());
}
LayoutDeviceToCSSScale
TabParent::GetLayoutDeviceToCSSScale()
{
nsCOMPtr<nsIContent> content = do_QueryInterface(mFrameElement);
nsIDocument* doc = (content ? content->OwnerDoc() : nullptr);
nsPresContext* ctx = (doc ? doc->GetPresContext() : nullptr);
return LayoutDeviceToCSSScale(ctx
? (float)ctx->AppUnitsPerDevPixel() / nsPresContext::AppUnitsPerCSSPixel()
: 0.0f);
}
bool
TabParent::QueryDropLinksForVerification()
{
// Before sending the dragEvent, we query the links being dragged and
// store them on the parent, to make sure the child can not modify links.
nsCOMPtr<nsIDragSession> dragSession = nsContentUtils::GetDragSession();
if (!dragSession) {
NS_WARNING("No dragSession to query links for verification");
return false;
}
RefPtr<DataTransfer> initialDataTransfer = dragSession->GetDataTransfer();
if (!initialDataTransfer) {
NS_WARNING("No initialDataTransfer to query links for verification");
return false;
}
nsCOMPtr<nsIDroppedLinkHandler> dropHandler =
do_GetService("@mozilla.org/content/dropped-link-handler;1");
if (!dropHandler) {
NS_WARNING("No dropHandler to query links for verification");
return false;
}
// No more than one drop event can happen simultaneously; reset the link
// verification array and store all links that are being dragged.
mVerifyDropLinks.Clear();
uint32_t linksCount = 0;
nsIDroppedLinkItem** droppedLinkedItems = nullptr;
dropHandler->QueryLinks(initialDataTransfer,
&linksCount, &droppedLinkedItems);
// Since the entire event is cancelled if one of the links is invalid,
// we can store all links on the parent side without any prior
// validation checks.
nsresult rv = NS_OK;
for (uint32_t i = 0; i < linksCount; i++) {
nsString tmp;
rv = droppedLinkedItems[i]->GetUrl(tmp);
if (NS_FAILED(rv)) {
NS_WARNING("Failed to query url for verification");
break;
}
mVerifyDropLinks.AppendElement(tmp);
rv = droppedLinkedItems[i]->GetName(tmp);
if (NS_FAILED(rv)) {
NS_WARNING("Failed to query name for verification");
break;
}
mVerifyDropLinks.AppendElement(tmp);
rv = droppedLinkedItems[i]->GetType(tmp);
if (NS_FAILED(rv)) {
NS_WARNING("Failed to query type for verification");
break;
}
mVerifyDropLinks.AppendElement(tmp);
}
for (uint32_t i = 0; i < linksCount; i++) {
NS_IF_RELEASE(droppedLinkedItems[i]);
}
free(droppedLinkedItems);
if (NS_FAILED(rv)) {
mVerifyDropLinks.Clear();
return false;
}
return true;
}
void
TabParent::SendRealDragEvent(WidgetDragEvent& aEvent, uint32_t aDragAction,
uint32_t aDropEffect,
const nsCString& aPrincipalURISpec)
{
if (mIsDestroyed || !mIsReadyToHandleInputEvents) {
return;
}
MOZ_ASSERT(!Manager()->AsContentParent()->IsInputPriorityEventEnabled());
aEvent.mRefPoint += GetChildProcessOffset();
if (aEvent.mMessage == eDrop) {
if (!QueryDropLinksForVerification()) {
return;
}
}
DebugOnly<bool> ret =
PBrowserParent::SendRealDragEvent(aEvent, aDragAction, aDropEffect,
aPrincipalURISpec);
NS_WARNING_ASSERTION(ret, "PBrowserParent::SendRealDragEvent() failed");
MOZ_ASSERT(!ret || aEvent.HasBeenPostedToRemoteProcess());
}
LayoutDevicePoint
TabParent::AdjustTapToChildWidget(const LayoutDevicePoint& aPoint)
{
return aPoint + LayoutDevicePoint(GetChildProcessOffset());
}
void
TabParent::SendMouseWheelEvent(WidgetWheelEvent& aEvent)
{
if (mIsDestroyed || !mIsReadyToHandleInputEvents) {
return;
}
ScrollableLayerGuid guid;
uint64_t blockId;
ApzAwareEventRoutingToChild(&guid, &blockId, nullptr);
aEvent.mRefPoint += GetChildProcessOffset();
DebugOnly<bool> ret =
Manager()->AsContentParent()->IsInputPriorityEventEnabled()
? PBrowserParent::SendMouseWheelEvent(aEvent, guid, blockId)
: PBrowserParent::SendNormalPriorityMouseWheelEvent(aEvent, guid, blockId);
NS_WARNING_ASSERTION(ret, "PBrowserParent::SendMouseWheelEvent() failed");
MOZ_ASSERT(!ret || aEvent.HasBeenPostedToRemoteProcess());
}
mozilla::ipc::IPCResult
TabParent::RecvDispatchWheelEvent(const mozilla::WidgetWheelEvent& aEvent)
{
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget) {
return IPC_OK();
}
WidgetWheelEvent localEvent(aEvent);
localEvent.mWidget = widget;
localEvent.mRefPoint -= GetChildProcessOffset();
widget->DispatchInputEvent(&localEvent);
return IPC_OK();
}
mozilla::ipc::IPCResult
TabParent::RecvDispatchMouseEvent(const mozilla::WidgetMouseEvent& aEvent)
{
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget) {
return IPC_OK();
}
WidgetMouseEvent localEvent(aEvent);
localEvent.mWidget = widget;
localEvent.mRefPoint -= GetChildProcessOffset();
widget->DispatchInputEvent(&localEvent);
return IPC_OK();
}
mozilla::ipc::IPCResult
TabParent::RecvDispatchKeyboardEvent(const mozilla::WidgetKeyboardEvent& aEvent)
{
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget) {
return IPC_OK();
}
WidgetKeyboardEvent localEvent(aEvent);
localEvent.mWidget = widget;
localEvent.mRefPoint -= GetChildProcessOffset();
widget->DispatchInputEvent(&localEvent);
return IPC_OK();
}
mozilla::ipc::IPCResult
TabParent::RecvRequestNativeKeyBindings(const uint32_t& aType,
const WidgetKeyboardEvent& aEvent,
nsTArray<CommandInt>* aCommands)
{
MOZ_ASSERT(aCommands);
MOZ_ASSERT(aCommands->IsEmpty());
nsIWidget::NativeKeyBindingsType keyBindingsType =
static_cast<nsIWidget::NativeKeyBindingsType>(aType);
switch (keyBindingsType) {
case nsIWidget::NativeKeyBindingsForSingleLineEditor:
case nsIWidget::NativeKeyBindingsForMultiLineEditor:
case nsIWidget::NativeKeyBindingsForRichTextEditor:
break;
default:
return IPC_FAIL(this, "Invalid aType value");
}
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget) {
return IPC_OK();
}
WidgetKeyboardEvent localEvent(aEvent);
localEvent.mWidget = widget;
if (NS_FAILED(widget->AttachNativeKeyEvent(localEvent))) {
return IPC_OK();
}
localEvent.InitEditCommandsFor(keyBindingsType);
*aCommands = localEvent.EditCommandsConstRef(keyBindingsType);
return IPC_OK();
}
class SynthesizedEventObserver : public nsIObserver
{
NS_DECL_ISUPPORTS
public:
SynthesizedEventObserver(TabParent* aTabParent, const uint64_t& aObserverId)
: mTabParent(aTabParent)
, mObserverId(aObserverId)
{
MOZ_ASSERT(mTabParent);
}
NS_IMETHOD Observe(nsISupports* aSubject,
const char* aTopic,
const char16_t* aData) override
{
if (!mTabParent || !mObserverId) {
// We already sent the notification, or we don't actually need to
// send any notification at all.
return NS_OK;
}
if (!mTabParent->SendNativeSynthesisResponse(mObserverId,
nsCString(aTopic))) {
NS_WARNING("Unable to send native event synthesization response!");
}
// Null out tabparent to indicate we already sent the response
mTabParent = nullptr;
return NS_OK;
}
private:
virtual ~SynthesizedEventObserver() { }
RefPtr<TabParent> mTabParent;
uint64_t mObserverId;
};
NS_IMPL_ISUPPORTS(SynthesizedEventObserver, nsIObserver)
class MOZ_STACK_CLASS AutoSynthesizedEventResponder
{
public:
AutoSynthesizedEventResponder(TabParent* aTabParent,
const uint64_t& aObserverId,
const char* aTopic)
: mObserver(new SynthesizedEventObserver(aTabParent, aObserverId))
, mTopic(aTopic)
{ }
~AutoSynthesizedEventResponder()
{
// This may be a no-op if the observer already sent a response.
mObserver->Observe(nullptr, mTopic, nullptr);
}
nsIObserver* GetObserver()
{
return mObserver;
}
private:
nsCOMPtr<nsIObserver> mObserver;
const char* mTopic;
};
mozilla::ipc::IPCResult
TabParent::RecvSynthesizeNativeKeyEvent(const int32_t& aNativeKeyboardLayout,
const int32_t& aNativeKeyCode,
const uint32_t& aModifierFlags,
const nsString& aCharacters,
const nsString& aUnmodifiedCharacters,
const uint64_t& aObserverId)
{
AutoSynthesizedEventResponder responder(this, aObserverId, "keyevent");
nsCOMPtr<nsIWidget> widget = GetWidget();
if (widget) {
widget->SynthesizeNativeKeyEvent(aNativeKeyboardLayout, aNativeKeyCode,
aModifierFlags, aCharacters,
aUnmodifiedCharacters,
responder.GetObserver());
}
return IPC_OK();
}
mozilla::ipc::IPCResult
TabParent::RecvSynthesizeNativeMouseEvent(const LayoutDeviceIntPoint& aPoint,
const uint32_t& aNativeMessage,
const uint32_t& aModifierFlags,
const uint64_t& aObserverId)
{
AutoSynthesizedEventResponder responder(this, aObserverId, "mouseevent");
nsCOMPtr<nsIWidget> widget = GetWidget();
if (widget) {
widget->SynthesizeNativeMouseEvent(aPoint, aNativeMessage, aModifierFlags,
responder.GetObserver());
}
return IPC_OK();
}
mozilla::ipc::IPCResult
TabParent::RecvSynthesizeNativeMouseMove(const LayoutDeviceIntPoint& aPoint,
const uint64_t& aObserverId)
{
AutoSynthesizedEventResponder responder(this, aObserverId, "mousemove");
nsCOMPtr<nsIWidget> widget = GetWidget();
if (widget) {
widget->SynthesizeNativeMouseMove(aPoint, responder.GetObserver());
}
return IPC_OK();
}
mozilla::ipc::IPCResult
TabParent::RecvSynthesizeNativeMouseScrollEvent(
const LayoutDeviceIntPoint& aPoint,
const uint32_t& aNativeMessage,
const double& aDeltaX,
const double& aDeltaY,
const double& aDeltaZ,
const uint32_t& aModifierFlags,
const uint32_t& aAdditionalFlags,
const uint64_t& aObserverId)
{
AutoSynthesizedEventResponder responder(this, aObserverId, "mousescrollevent");
nsCOMPtr<nsIWidget> widget = GetWidget();
if (widget) {
widget->SynthesizeNativeMouseScrollEvent(aPoint, aNativeMessage,
aDeltaX, aDeltaY, aDeltaZ,
aModifierFlags, aAdditionalFlags,
responder.GetObserver());
}
return IPC_OK();
}
mozilla::ipc::IPCResult
TabParent::RecvSynthesizeNativeTouchPoint(
const uint32_t& aPointerId,
const TouchPointerState& aPointerState,
const LayoutDeviceIntPoint& aPoint,
const double& aPointerPressure,
const uint32_t& aPointerOrientation,
const uint64_t& aObserverId)
{
AutoSynthesizedEventResponder responder(this, aObserverId, "touchpoint");
nsCOMPtr<nsIWidget> widget = GetWidget();
if (widget) {
widget->SynthesizeNativeTouchPoint(aPointerId, aPointerState, aPoint,
aPointerPressure, aPointerOrientation,
responder.GetObserver());
}
return IPC_OK();
}
mozilla::ipc::IPCResult
TabParent::RecvSynthesizeNativeTouchTap(const LayoutDeviceIntPoint& aPoint,
const bool& aLongTap,
const uint64_t& aObserverId)
{
AutoSynthesizedEventResponder responder(this, aObserverId, "touchtap");
nsCOMPtr<nsIWidget> widget = GetWidget();
if (widget) {
widget->SynthesizeNativeTouchTap(aPoint, aLongTap, responder.GetObserver());
}
return IPC_OK();
}
mozilla::ipc::IPCResult
TabParent::RecvClearNativeTouchSequence(const uint64_t& aObserverId)
{
AutoSynthesizedEventResponder responder(this, aObserverId, "cleartouch");
nsCOMPtr<nsIWidget> widget = GetWidget();
if (widget) {
widget->ClearNativeTouchSequence(responder.GetObserver());
}
return IPC_OK();
}
void
TabParent::SendRealKeyEvent(WidgetKeyboardEvent& aEvent)
{
if (mIsDestroyed || !mIsReadyToHandleInputEvents) {
return;
}
aEvent.mRefPoint += GetChildProcessOffset();
if (aEvent.mMessage == eKeyPress) {
// XXX Should we do this only when input context indicates an editor having
// focus and the key event won't cause inputting text?
aEvent.InitAllEditCommands();
} else {
aEvent.PreventNativeKeyBindings();
}
DebugOnly<bool> ret =
Manager()->AsContentParent()->IsInputPriorityEventEnabled()
? PBrowserParent::SendRealKeyEvent(aEvent)
: PBrowserParent::SendNormalPriorityRealKeyEvent(aEvent);
NS_WARNING_ASSERTION(ret, "PBrowserParent::SendRealKeyEvent() failed");
MOZ_ASSERT(!ret || aEvent.HasBeenPostedToRemoteProcess());
}
void
TabParent::SendRealTouchEvent(WidgetTouchEvent& aEvent)
{
if (mIsDestroyed || !mIsReadyToHandleInputEvents) {
return;
}
// PresShell::HandleEventInternal adds touches on touch end/cancel. This
// confuses remote content and the panning and zooming logic into thinking
// that the added touches are part of the touchend/cancel, when actually
// they're not.
if (aEvent.mMessage == eTouchEnd || aEvent.mMessage == eTouchCancel) {
for (int i = aEvent.mTouches.Length() - 1; i >= 0; i--) {
if (!aEvent.mTouches[i]->mChanged) {
aEvent.mTouches.RemoveElementAt(i);
}
}
}
ScrollableLayerGuid guid;
uint64_t blockId;
nsEventStatus apzResponse;
ApzAwareEventRoutingToChild(&guid, &blockId, &apzResponse);
if (mIsDestroyed) {
return;
}
LayoutDeviceIntPoint offset = GetChildProcessOffset();
for (uint32_t i = 0; i < aEvent.mTouches.Length(); i++) {
aEvent.mTouches[i]->mRefPoint += offset;
}
bool inputPriorityEventEnabled =
Manager()->AsContentParent()->IsInputPriorityEventEnabled();
if (aEvent.mMessage == eTouchMove) {
DebugOnly<bool> ret = inputPriorityEventEnabled
? PBrowserParent::SendRealTouchMoveEvent(aEvent, guid, blockId,
apzResponse)
: PBrowserParent::SendNormalPriorityRealTouchMoveEvent(aEvent, guid,
blockId,
apzResponse);
NS_WARNING_ASSERTION(ret,
"PBrowserParent::SendRealTouchMoveEvent() failed");
MOZ_ASSERT(!ret || aEvent.HasBeenPostedToRemoteProcess());
return;
}
DebugOnly<bool> ret = inputPriorityEventEnabled
? PBrowserParent::SendRealTouchEvent(aEvent, guid, blockId, apzResponse)
: PBrowserParent::SendNormalPriorityRealTouchEvent(aEvent, guid, blockId,
apzResponse);
NS_WARNING_ASSERTION(ret, "PBrowserParent::SendRealTouchEvent() failed");
MOZ_ASSERT(!ret || aEvent.HasBeenPostedToRemoteProcess());
}
void
TabParent::SendPluginEvent(WidgetPluginEvent& aEvent)
{
DebugOnly<bool> ret = PBrowserParent::SendPluginEvent(aEvent);
NS_WARNING_ASSERTION(ret, "PBrowserParent::SendPluginEvent() failed");
MOZ_ASSERT(!ret || aEvent.HasBeenPostedToRemoteProcess());
}
bool
TabParent::SendHandleTap(TapType aType,
const LayoutDevicePoint& aPoint,
Modifiers aModifiers,
const ScrollableLayerGuid& aGuid,
uint64_t aInputBlockId)
{
if (mIsDestroyed || !mIsReadyToHandleInputEvents) {
return false;
}
if ((aType == TapType::eSingleTap || aType == TapType::eSecondTap) &&
GetRenderFrame()) {
GetRenderFrame()->TakeFocusForClickFromTap();
}
LayoutDeviceIntPoint offset = GetChildProcessOffset();
return Manager()->AsContentParent()->IsInputPriorityEventEnabled()
? PBrowserParent::SendHandleTap(aType, aPoint + offset, aModifiers, aGuid,
aInputBlockId)
: PBrowserParent::SendNormalPriorityHandleTap(aType, aPoint + offset,
aModifiers, aGuid,
aInputBlockId);
}
mozilla::ipc::IPCResult
TabParent::RecvSyncMessage(const nsString& aMessage,
const ClonedMessageData& aData,
InfallibleTArray<CpowEntry>&& aCpows,
const IPC::Principal& aPrincipal,
nsTArray<StructuredCloneData>* aRetVal)
{
AUTO_PROFILER_LABEL_DYNAMIC_LOSSY_NSSTRING(
"TabParent::RecvSyncMessage", EVENTS, aMessage);
StructuredCloneData data;
ipc::UnpackClonedMessageDataForParent(aData, data);
CrossProcessCpowHolder cpows(Manager(), aCpows);
if (!ReceiveMessage(aMessage, true, &data, &cpows, aPrincipal, aRetVal)) {
return IPC_FAIL_NO_REASON(this);
}
return IPC_OK();
}
mozilla::ipc::IPCResult
TabParent::RecvRpcMessage(const nsString& aMessage,
const ClonedMessageData& aData,
InfallibleTArray<CpowEntry>&& aCpows,
const IPC::Principal& aPrincipal,
nsTArray<StructuredCloneData>* aRetVal)
{
AUTO_PROFILER_LABEL_DYNAMIC_LOSSY_NSSTRING(
"TabParent::RecvRpcMessage", EVENTS, aMessage);
StructuredCloneData data;
ipc::UnpackClonedMessageDataForParent(aData, data);
CrossProcessCpowHolder cpows(Manager(), aCpows);
if (!ReceiveMessage(aMessage, true, &data, &cpows, aPrincipal, aRetVal)) {
return IPC_FAIL_NO_REASON(this);
}
return IPC_OK();
}
mozilla::ipc::IPCResult
TabParent::RecvAsyncMessage(const nsString& aMessage,
InfallibleTArray<CpowEntry>&& aCpows,
const IPC::Principal& aPrincipal,
const ClonedMessageData& aData)
{
AUTO_PROFILER_LABEL_DYNAMIC_LOSSY_NSSTRING(
"TabParent::RecvAsyncMessage", EVENTS, aMessage);
StructuredCloneData data;
ipc::UnpackClonedMessageDataForParent(aData, data);
CrossProcessCpowHolder cpows(Manager(), aCpows);
if (!ReceiveMessage(aMessage, false, &data, &cpows, aPrincipal, nullptr)) {
return IPC_FAIL_NO_REASON(this);
}
return IPC_OK();
}
mozilla::ipc::IPCResult
TabParent::RecvSetCursor(const nsCursor& aCursor, const bool& aForce)
{
mCursor = aCursor;
mCustomCursor = nullptr;
nsCOMPtr<nsIWidget> widget = GetWidget();
if (widget) {
if (aForce) {
widget->ClearCachedCursor();
}
if (mTabSetsCursor) {
widget->SetCursor(mCursor);
}
}
return IPC_OK();
}
mozilla::ipc::IPCResult
TabParent::RecvSetCustomCursor(const nsCString& aCursorData,
const uint32_t& aWidth,
const uint32_t& aHeight,
const uint32_t& aStride,
const gfx::SurfaceFormat& aFormat,
const uint32_t& aHotspotX,
const uint32_t& aHotspotY,
const bool& aForce)
{
mCursor = eCursorInvalid;
nsCOMPtr<nsIWidget> widget = GetWidget();
if (widget) {
if (aForce) {
widget->ClearCachedCursor();
}
if (mTabSetsCursor) {
const gfx::IntSize size(aWidth, aHeight);
RefPtr<gfx::DataSourceSurface> customCursor =
gfx::CreateDataSourceSurfaceFromData(size,
aFormat,
reinterpret_cast<const uint8_t*>(aCursorData.BeginReading()),
aStride);
RefPtr<gfxDrawable> drawable = new gfxSurfaceDrawable(customCursor, size);
nsCOMPtr<imgIContainer> cursorImage(image::ImageOps::CreateFromDrawable(drawable));
widget->SetCursor(cursorImage, aHotspotX, aHotspotY);
mCustomCursor = cursorImage;
mCustomCursorHotspotX = aHotspotX;
mCustomCursorHotspotY = aHotspotY;
}
}
return IPC_OK();
}
nsIXULBrowserWindow*
TabParent::GetXULBrowserWindow()
{
if (!mFrameElement) {
return nullptr;
}
nsCOMPtr<nsIDocShell> docShell = mFrameElement->OwnerDoc()->GetDocShell();
if (!docShell) {
return nullptr;
}
nsCOMPtr<nsIDocShellTreeOwner> treeOwner;
docShell->GetTreeOwner(getter_AddRefs(treeOwner));
if (!treeOwner) {
return nullptr;
}
nsCOMPtr<nsIXULWindow> window = do_GetInterface(treeOwner);
if (!window) {
return nullptr;
}
nsCOMPtr<nsIXULBrowserWindow> xulBrowserWindow;
window->GetXULBrowserWindow(getter_AddRefs(xulBrowserWindow));
return xulBrowserWindow;
}
mozilla::ipc::IPCResult
TabParent::RecvSetStatus(const uint32_t& aType, const nsString& aStatus)
{
nsCOMPtr<nsIXULBrowserWindow> xulBrowserWindow = GetXULBrowserWindow();
if (!xulBrowserWindow) {
return IPC_OK();
}
switch (aType) {
case nsIWebBrowserChrome::STATUS_LINK:
xulBrowserWindow->SetOverLink(aStatus, nullptr);
break;
}
return IPC_OK();
}
mozilla::ipc::IPCResult
TabParent::RecvShowTooltip(const uint32_t& aX, const uint32_t& aY, const nsString& aTooltip,
const nsString& aDirection)
{
nsCOMPtr<nsIXULBrowserWindow> xulBrowserWindow = GetXULBrowserWindow();
if (!xulBrowserWindow) {
return IPC_OK();
}
nsCOMPtr<nsIFrameLoaderOwner> frame = do_QueryInterface(mFrameElement);
if (!frame)
return IPC_OK();
xulBrowserWindow->ShowTooltip(aX, aY, aTooltip, aDirection, frame);
return IPC_OK();
}
mozilla::ipc::IPCResult
TabParent::RecvHideTooltip()
{
nsCOMPtr<nsIXULBrowserWindow> xulBrowserWindow = GetXULBrowserWindow();
if (!xulBrowserWindow) {
return IPC_OK();
}
xulBrowserWindow->HideTooltip();
return IPC_OK();
}
mozilla::ipc::IPCResult
TabParent::RecvNotifyIMEFocus(const ContentCache& aContentCache,
const IMENotification& aIMENotification,
NotifyIMEFocusResolver&& aResolve)
{
if (mIsDestroyed) {
return IPC_OK();
}
nsCOMPtr<nsIWidget> widget = GetDocWidget();
if (!widget) {
aResolve(IMENotificationRequests());
return IPC_OK();
}
mContentCache.AssignContent(aContentCache, widget, &aIMENotification);
IMEStateManager::NotifyIME(aIMENotification, widget, this);
IMENotificationRequests requests;
if (aIMENotification.mMessage == NOTIFY_IME_OF_FOCUS) {
requests = widget->IMENotificationRequestsRef();
}
aResolve(requests);
return IPC_OK();
}
mozilla::ipc::IPCResult
TabParent::RecvNotifyIMETextChange(const ContentCache& aContentCache,
const IMENotification& aIMENotification)
{
nsCOMPtr<nsIWidget> widget = GetDocWidget();
if (!widget || !IMEStateManager::DoesTabParentHaveIMEFocus(this)) {
return IPC_OK();
}
mContentCache.AssignContent(aContentCache, widget, &aIMENotification);
mContentCache.MaybeNotifyIME(widget, aIMENotification);
return IPC_OK();
}
mozilla::ipc::IPCResult
TabParent::RecvNotifyIMECompositionUpdate(
const ContentCache& aContentCache,
const IMENotification& aIMENotification)
{
nsCOMPtr<nsIWidget> widget = GetDocWidget();
if (!widget || !IMEStateManager::DoesTabParentHaveIMEFocus(this)) {
return IPC_OK();
}
mContentCache.AssignContent(aContentCache, widget, &aIMENotification);
mContentCache.MaybeNotifyIME(widget, aIMENotification);
return IPC_OK();
}
mozilla::ipc::IPCResult
TabParent::RecvNotifyIMESelection(const ContentCache& aContentCache,
const IMENotification& aIMENotification)
{
nsCOMPtr<nsIWidget> widget = GetDocWidget();
if (!widget || !IMEStateManager::DoesTabParentHaveIMEFocus(this)) {
return IPC_OK();
}
mContentCache.AssignContent(aContentCache, widget, &aIMENotification);
mContentCache.MaybeNotifyIME(widget, aIMENotification);
return IPC_OK();
}
mozilla::ipc::IPCResult
TabParent::RecvUpdateContentCache(const ContentCache& aContentCache)
{
nsCOMPtr<nsIWidget> widget = GetDocWidget();
if (!widget || !IMEStateManager::DoesTabParentHaveIMEFocus(this)) {
return IPC_OK();
}
mContentCache.AssignContent(aContentCache, widget);
return IPC_OK();
}
mozilla::ipc::IPCResult
TabParent::RecvNotifyIMEMouseButtonEvent(
const IMENotification& aIMENotification,
bool* aConsumedByIME)
{
nsCOMPtr<nsIWidget> widget = GetDocWidget();
if (!widget || !IMEStateManager::DoesTabParentHaveIMEFocus(this)) {
*aConsumedByIME = false;
return IPC_OK();
}
nsresult rv = IMEStateManager::NotifyIME(aIMENotification, widget, this);
*aConsumedByIME = rv == NS_SUCCESS_EVENT_CONSUMED;
return IPC_OK();
}
mozilla::ipc::IPCResult
TabParent::RecvNotifyIMEPositionChange(const ContentCache& aContentCache,
const IMENotification& aIMENotification)
{
nsCOMPtr<nsIWidget> widget = GetDocWidget();
if (!widget || !IMEStateManager::DoesTabParentHaveIMEFocus(this)) {
return IPC_OK();
}
mContentCache.AssignContent(aContentCache, widget, &aIMENotification);
mContentCache.MaybeNotifyIME(widget, aIMENotification);
return IPC_OK();
}
mozilla::ipc::IPCResult
TabParent::RecvOnEventNeedingAckHandled(const EventMessage& aMessage)
{
// This is called when the child process receives WidgetCompositionEvent or
// WidgetSelectionEvent.
// FYI: Don't check if widget is nullptr here because it's more important to
// notify mContentCahce of this than handling something in it.
nsCOMPtr<nsIWidget> widget = GetDocWidget();
// While calling OnEventNeedingAckHandled(), TabParent *might* be destroyed
// since it may send notifications to IME.
RefPtr<TabParent> kungFuDeathGrip(this);
mContentCache.OnEventNeedingAckHandled(widget, aMessage);
return IPC_OK();
}
void
TabParent::HandledWindowedPluginKeyEvent(const NativeEventData& aKeyEventData,
bool aIsConsumed)
{
DebugOnly<bool> ok =
SendHandledWindowedPluginKeyEvent(aKeyEventData, aIsConsumed);
NS_WARNING_ASSERTION(ok, "SendHandledWindowedPluginKeyEvent failed");
}
mozilla::ipc::IPCResult
TabParent::RecvOnWindowedPluginKeyEvent(const NativeEventData& aKeyEventData)
{
nsCOMPtr<nsIWidget> widget = GetWidget();
if (NS_WARN_IF(!widget)) {
// Notifies the plugin process of the key event being not consumed by us.
HandledWindowedPluginKeyEvent(aKeyEventData, false);
return IPC_OK();
}
nsresult rv = widget->OnWindowedPluginKeyEvent(aKeyEventData, this);
if (NS_WARN_IF(NS_FAILED(rv))) {
// Notifies the plugin process of the key event being not consumed by us.
HandledWindowedPluginKeyEvent(aKeyEventData, false);
return IPC_OK();
}
// If the key event is posted to another process, we need to wait a call
// of HandledWindowedPluginKeyEvent(). So, nothing to do here in this case.
if (rv == NS_SUCCESS_EVENT_HANDLED_ASYNCHRONOUSLY) {
return IPC_OK();
}
// Otherwise, the key event is handled synchronously. Let's notify the
// plugin process of the key event's result.
bool consumed = (rv == NS_SUCCESS_EVENT_CONSUMED);
HandledWindowedPluginKeyEvent(aKeyEventData, consumed);
return IPC_OK();
}
mozilla::ipc::IPCResult
TabParent::RecvRequestFocus(const bool& aCanRaise)
{
nsCOMPtr<nsIFocusManager> fm = nsFocusManager::GetFocusManager();
if (!fm) {
return IPC_OK();
}
nsCOMPtr<nsIContent> content = do_QueryInterface(mFrameElement);
if (!content || !content->OwnerDoc()) {
return IPC_OK();
}
uint32_t flags = nsIFocusManager::FLAG_NOSCROLL;
if (aCanRaise)
flags |= nsIFocusManager::FLAG_RAISE;
nsCOMPtr<nsIDOMElement> node = do_QueryInterface(mFrameElement);
fm->SetFocus(node, flags);
return IPC_OK();
}
mozilla::ipc::IPCResult
TabParent::RecvEnableDisableCommands(const nsString& aAction,
nsTArray<nsCString>&& aEnabledCommands,
nsTArray<nsCString>&& aDisabledCommands)
{
nsCOMPtr<nsIRemoteBrowser> remoteBrowser = do_QueryInterface(mFrameElement);
if (remoteBrowser) {
UniquePtr<const char*[]> enabledCommands, disabledCommands;
if (aEnabledCommands.Length()) {
enabledCommands = MakeUnique<const char*[]>(aEnabledCommands.Length());
for (uint32_t c = 0; c < aEnabledCommands.Length(); c++) {
enabledCommands[c] = aEnabledCommands[c].get();
}
}
if (aDisabledCommands.Length()) {
disabledCommands = MakeUnique<const char*[]>(aDisabledCommands.Length());
for (uint32_t c = 0; c < aDisabledCommands.Length(); c++) {
disabledCommands[c] = aDisabledCommands[c].get();
}
}
remoteBrowser->EnableDisableCommands(aAction,
aEnabledCommands.Length(), enabledCommands.get(),
aDisabledCommands.Length(), disabledCommands.get());
}
return IPC_OK();
}
NS_IMETHODIMP
TabParent::GetChildProcessOffset(int32_t* aOutCssX, int32_t* aOutCssY)
{
NS_ENSURE_ARG(aOutCssX);
NS_ENSURE_ARG(aOutCssY);
CSSPoint offset = LayoutDevicePoint(GetChildProcessOffset())
* GetLayoutDeviceToCSSScale();
*aOutCssX = offset.x;
*aOutCssY = offset.y;
return NS_OK;
}
LayoutDeviceIntPoint
TabParent::GetChildProcessOffset()
{
// The "toplevel widget" in child processes is always at position
// 0,0. Map the event coordinates to match that.
LayoutDeviceIntPoint offset(0, 0);
RefPtr<nsFrameLoader> frameLoader = GetFrameLoader();
if (!frameLoader) {
return offset;
}
nsIFrame* targetFrame = frameLoader->GetPrimaryFrameOfOwningContent();
if (!targetFrame) {
return offset;
}
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget) {
return offset;
}
nsPresContext* presContext = targetFrame->PresContext();
nsIFrame* rootFrame = presContext->PresShell()->GetRootFrame();
nsView* rootView = rootFrame ? rootFrame->GetView() : nullptr;
if (!rootView) {
return offset;
}
// Note that we don't want to take into account transforms here:
#if 0
nsPoint pt(0, 0);
nsLayoutUtils::TransformPoint(targetFrame, rootFrame, pt);
#endif
// In practice, when transforms are applied to this frameLoader, we currently
// get the wrong results whether we take transforms into account here or not.
// But applying transforms here gives us the wrong results in all
// circumstances when transforms are applied, unless they're purely
// translational. It also gives us the wrong results whenever CSS transitions
// are used to apply transforms, since the offeets aren't updated as the
// transition is animated.
//
// What we actually need to do is apply the transforms to the coordinates of
// any events we send to the child, and reverse them for any screen
// coordinates that we retrieve from the child.
nsPoint pt = targetFrame->GetOffsetTo(rootFrame);
return -nsLayoutUtils::TranslateViewToWidget(presContext, rootView, pt, widget);
}
LayoutDeviceIntPoint
TabParent::GetClientOffset()
{
nsCOMPtr<nsIWidget> widget = GetWidget();
nsCOMPtr<nsIWidget> docWidget = GetDocWidget();
if (widget == docWidget) {
return widget->GetClientOffset();
}
return (docWidget->GetClientOffset() +
nsLayoutUtils::WidgetToWidgetOffset(widget, docWidget));
}
mozilla::ipc::IPCResult
TabParent::RecvReplyKeyEvent(const WidgetKeyboardEvent& aEvent)
{
NS_ENSURE_TRUE(mFrameElement, IPC_OK());
WidgetKeyboardEvent localEvent(aEvent);
localEvent.MarkAsHandledInRemoteProcess();
// Here we convert the WidgetEvent that we received to an Event
// to be able to dispatch it to the <browser> element as the target element.
nsIDocument* doc = mFrameElement->OwnerDoc();
nsPresContext* presContext = doc->GetPresContext();
NS_ENSURE_TRUE(presContext, IPC_OK());
AutoHandlingUserInputStatePusher userInpStatePusher(localEvent.IsTrusted(),
&localEvent, doc);
nsEventStatus status = nsEventStatus_eIgnore;
// Handle access key in this process before dispatching reply event because
// ESM handles it before dispatching the event to the DOM tree.
if (localEvent.mMessage == eKeyPress &&
(localEvent.ModifiersMatchWithAccessKey(AccessKeyType::eChrome) ||
localEvent.ModifiersMatchWithAccessKey(AccessKeyType::eContent))) {
RefPtr<EventStateManager> esm = presContext->EventStateManager();
AutoTArray<uint32_t, 10> accessCharCodes;
localEvent.GetAccessKeyCandidates(accessCharCodes);
if (esm->HandleAccessKey(&localEvent, presContext, accessCharCodes)) {
status = nsEventStatus_eConsumeNoDefault;
}
}
EventDispatcher::Dispatch(mFrameElement, presContext, &localEvent, nullptr,
&status);
if (!localEvent.DefaultPrevented() &&
!localEvent.mFlags.mIsSynthesizedForTests) {
nsCOMPtr<nsIWidget> widget = GetWidget();
if (widget) {
widget->PostHandleKeyEvent(&localEvent);
localEvent.StopPropagation();
}
}
return IPC_OK();
}
mozilla::ipc::IPCResult
TabParent::RecvAccessKeyNotHandled(const WidgetKeyboardEvent& aEvent)
{
NS_ENSURE_TRUE(mFrameElement, IPC_OK());
// This is called only when this process had focus and HandleAccessKey
// message was posted to all remote process and each remote process didn't
// execute any content access keys.
// XXX If there were two or more remote processes, this may be called
// twice or more for a keyboard event, that must be a bug. But how to
// detect if received event has already been handled?
MOZ_ASSERT(aEvent.mMessage == eKeyPress);
WidgetKeyboardEvent localEvent(aEvent);
localEvent.MarkAsHandledInRemoteProcess();
localEvent.mMessage = eAccessKeyNotFound;
// Here we convert the WidgetEvent that we received to an Event
// to be able to dispatch it to the <browser> element as the target element.
nsIDocument* doc = mFrameElement->OwnerDoc();
nsIPresShell* presShell = doc->GetShell();
NS_ENSURE_TRUE(presShell, IPC_OK());
if (presShell->CanDispatchEvent()) {
nsPresContext* presContext = presShell->GetPresContext();
NS_ENSURE_TRUE(presContext, IPC_OK());
EventDispatcher::Dispatch(mFrameElement, presContext, &localEvent);
}
return IPC_OK();
}
mozilla::ipc::IPCResult
TabParent::RecvSetHasBeforeUnload(const bool& aHasBeforeUnload)
{
mHasBeforeUnload = aHasBeforeUnload;
return IPC_OK();
}
bool
TabParent::HandleQueryContentEvent(WidgetQueryContentEvent& aEvent)
{
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget) {
return true;
}
if (NS_WARN_IF(!mContentCache.HandleQueryContentEvent(aEvent, widget)) ||
NS_WARN_IF(!aEvent.mSucceeded)) {
return true;
}
switch (aEvent.mMessage) {
case eQueryTextRect:
case eQueryCaretRect:
case eQueryEditorRect:
{
nsCOMPtr<nsIWidget> widget = GetWidget();
nsCOMPtr<nsIWidget> docWidget = GetDocWidget();
if (widget != docWidget) {
aEvent.mReply.mRect +=
nsLayoutUtils::WidgetToWidgetOffset(widget, docWidget);
}
aEvent.mReply.mRect -= GetChildProcessOffset();
break;
}
default:
break;
}
return true;
}
bool
TabParent::SendCompositionEvent(WidgetCompositionEvent& aEvent)
{
if (mIsDestroyed) {
return false;
}
if (!mContentCache.OnCompositionEvent(aEvent)) {
return true;
}
bool ret =
Manager()->AsContentParent()->IsInputPriorityEventEnabled()
? PBrowserParent::SendCompositionEvent(aEvent)
: PBrowserParent::SendNormalPriorityCompositionEvent(aEvent);
if (NS_WARN_IF(!ret)) {
return false;
}
MOZ_ASSERT(aEvent.HasBeenPostedToRemoteProcess());
return true;
}
bool
TabParent::SendSelectionEvent(WidgetSelectionEvent& aEvent)
{
if (mIsDestroyed) {
return false;
}
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget) {
return true;
}
mContentCache.OnSelectionEvent(aEvent);
bool ret =
Manager()->AsContentParent()->IsInputPriorityEventEnabled()
? PBrowserParent::SendSelectionEvent(aEvent)
: PBrowserParent::SendNormalPrioritySelectionEvent(aEvent);
if (NS_WARN_IF(!ret)) {
return false;
}
MOZ_ASSERT(aEvent.HasBeenPostedToRemoteProcess());
aEvent.mSucceeded = true;
return true;
}
bool
TabParent::SendPasteTransferable(const IPCDataTransfer& aDataTransfer,
const bool& aIsPrivateData,
const IPC::Principal& aRequestingPrincipal,
const uint32_t& aContentPolicyType)
{
return PBrowserParent::SendPasteTransferable(aDataTransfer,
aIsPrivateData,
aRequestingPrincipal,
aContentPolicyType);
}
/*static*/ TabParent*
TabParent::GetFrom(nsFrameLoader* aFrameLoader)
{
if (!aFrameLoader) {
return nullptr;
}
PBrowserParent* remoteBrowser = aFrameLoader->GetRemoteBrowser();
return static_cast<TabParent*>(remoteBrowser);
}
/*static*/ TabParent*
TabParent::GetFrom(nsITabParent* aTabParent)
{
return static_cast<TabParent*>(aTabParent);
}
/*static*/ TabParent*
TabParent::GetFrom(PBrowserParent* aTabParent)
{
return static_cast<TabParent*>(aTabParent);
}
/*static*/ TabParent*
TabParent::GetFrom(nsIContent* aContent)
{
nsCOMPtr<nsIFrameLoaderOwner> loaderOwner = do_QueryInterface(aContent);
if (!loaderOwner) {
return nullptr;
}
RefPtr<nsFrameLoader> frameLoader = loaderOwner->GetFrameLoader();
return GetFrom(frameLoader);
}
/*static*/ TabId
TabParent::GetTabIdFrom(nsIDocShell *docShell)
{
nsCOMPtr<nsITabChild> tabChild(TabChild::GetFrom(docShell));
if (tabChild) {
return static_cast<TabChild*>(tabChild.get())->GetTabId();
}
return TabId(0);
}
RenderFrameParent*
TabParent::GetRenderFrame()
{
PRenderFrameParent* p = LoneManagedOrNullAsserts(ManagedPRenderFrameParent());
RenderFrameParent* frame = static_cast<RenderFrameParent*>(p);
return frame;
}
mozilla::ipc::IPCResult
TabParent::RecvRequestIMEToCommitComposition(const bool& aCancel,
bool* aIsCommitted,
nsString* aCommittedString)
{
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget) {
*aIsCommitted = false;
return IPC_OK();
}
*aIsCommitted =
mContentCache.RequestIMEToCommitComposition(widget, aCancel,
*aCommittedString);
return IPC_OK();
}
mozilla::ipc::IPCResult
TabParent::RecvStartPluginIME(const WidgetKeyboardEvent& aKeyboardEvent,
const int32_t& aPanelX, const int32_t& aPanelY,
nsString* aCommitted)
{
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget) {
return IPC_OK();
}
Unused << widget->StartPluginIME(aKeyboardEvent,
(int32_t&)aPanelX,
(int32_t&)aPanelY,
*aCommitted);
return IPC_OK();
}
mozilla::ipc::IPCResult
TabParent::RecvSetPluginFocused(const bool& aFocused)
{
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget) {
return IPC_OK();
}
widget->SetPluginFocused((bool&)aFocused);
return IPC_OK();
}
mozilla::ipc::IPCResult
TabParent::RecvSetCandidateWindowForPlugin(
const CandidateWindowPosition& aPosition)
{
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget) {
return IPC_OK();
}
widget->SetCandidateWindowForPlugin(aPosition);
return IPC_OK();
}
mozilla::ipc::IPCResult
TabParent::RecvDefaultProcOfPluginEvent(const WidgetPluginEvent& aEvent)
{
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget) {
return IPC_OK();
}
widget->DefaultProcOfPluginEvent(aEvent);
return IPC_OK();
}
mozilla::ipc::IPCResult
TabParent::RecvGetInputContext(IMEState::Enabled* aIMEEnabled,
IMEState::Open* aIMEOpen)
{
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget) {
*aIMEEnabled = IMEState::DISABLED;
*aIMEOpen = IMEState::OPEN_STATE_NOT_SUPPORTED;
return IPC_OK();
}
InputContext context = widget->GetInputContext();
*aIMEEnabled = context.mIMEState.mEnabled;
*aIMEOpen = context.mIMEState.mOpen;
return IPC_OK();
}
mozilla::ipc::IPCResult
TabParent::RecvSetInputContext(
const IMEState::Enabled& aIMEEnabled,
const IMEState::Open& aIMEOpen,
const nsString& aType,
const nsString& aInputmode,
const nsString& aActionHint,
const bool& aInPrivateBrowsing,
const InputContextAction::Cause& aCause,
const InputContextAction::FocusChange& aFocusChange)
{
InputContext context;
context.mIMEState.mEnabled = aIMEEnabled;
context.mIMEState.mOpen = aIMEOpen;
context.mHTMLInputType.Assign(aType);
context.mHTMLInputInputmode.Assign(aInputmode);
context.mActionHint.Assign(aActionHint);
context.mOrigin = InputContext::ORIGIN_CONTENT;
context.mInPrivateBrowsing = aInPrivateBrowsing;
InputContextAction action(aCause, aFocusChange);
IMEStateManager::SetInputContextForChildProcess(this, context, action);
return IPC_OK();
}
mozilla::ipc::IPCResult
TabParent::RecvIsParentWindowMainWidgetVisible(bool* aIsVisible)
{
nsCOMPtr<nsIContent> frame = do_QueryInterface(mFrameElement);
if (!frame)
return IPC_OK();
nsCOMPtr<nsIDOMWindowUtils> windowUtils =
do_QueryInterface(frame->OwnerDoc()->GetWindow());
nsresult rv = windowUtils->GetIsParentWindowMainWidgetVisible(aIsVisible);
if (NS_FAILED(rv)) {
return IPC_FAIL_NO_REASON(this);
}
return IPC_OK();
}
already_AddRefed<nsIWidget>
TabParent::GetTopLevelWidget()
{
nsCOMPtr<nsIContent> content = do_QueryInterface(mFrameElement);
if (content) {
nsIPresShell* shell = content->OwnerDoc()->GetShell();
if (shell) {
nsViewManager* vm = shell->GetViewManager();
nsCOMPtr<nsIWidget> widget;
vm->GetRootWidget(getter_AddRefs(widget));
return widget.forget();
}
}
return nullptr;
}
mozilla::ipc::IPCResult
TabParent::RecvSetNativeChildOfShareableWindow(const uintptr_t& aChildWindow)
{
#if defined(XP_WIN)
nsCOMPtr<nsIWidget> widget = GetTopLevelWidget();
if (widget) {
// Note that this call will probably cause a sync native message to the
// process that owns the child window.
widget->SetNativeData(NS_NATIVE_CHILD_OF_SHAREABLE_WINDOW, aChildWindow);
}
return IPC_OK();
#else
NS_NOTREACHED(
"TabParent::RecvSetNativeChildOfShareableWindow not implemented!");
return IPC_FAIL_NO_REASON(this);
#endif
}
mozilla::ipc::IPCResult
TabParent::RecvDispatchFocusToTopLevelWindow()
{
nsCOMPtr<nsIWidget> widget = GetTopLevelWidget();
if (widget) {
widget->SetFocus(false);
}
return IPC_OK();
}
bool
TabParent::ReceiveMessage(const nsString& aMessage,
bool aSync,
StructuredCloneData* aData,
CpowHolder* aCpows,
nsIPrincipal* aPrincipal,
nsTArray<StructuredCloneData>* aRetVal)
{
RefPtr<nsFrameLoader> frameLoader = GetFrameLoader(true);
if (frameLoader && frameLoader->GetFrameMessageManager()) {
RefPtr<nsFrameMessageManager> manager =
frameLoader->GetFrameMessageManager();
manager->ReceiveMessage(mFrameElement,
frameLoader,
aMessage,
aSync,
aData,
aCpows,
aPrincipal,
aRetVal,
IgnoreErrors());
}
return true;
}
// nsIAuthPromptProvider
// This method is largely copied from nsDocShell::GetAuthPrompt
NS_IMETHODIMP
TabParent::GetAuthPrompt(uint32_t aPromptReason, const nsIID& iid,
void** aResult)
{
// we're either allowing auth, or it's a proxy request
nsresult rv;
nsCOMPtr<nsIPromptFactory> wwatch =
do_GetService(NS_WINDOWWATCHER_CONTRACTID, &rv);
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsPIDOMWindowOuter> window;
nsCOMPtr<nsIContent> frame = do_QueryInterface(mFrameElement);
if (frame)
window = frame->OwnerDoc()->GetWindow();
// Get an auth prompter for our window so that the parenting
// of the dialogs works as it should when using tabs.
nsCOMPtr<nsISupports> prompt;
rv = wwatch->GetPrompt(window, iid, getter_AddRefs(prompt));
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsILoginManagerPrompter> prompter = do_QueryInterface(prompt);
if (prompter) {
nsCOMPtr<nsIDOMElement> browser = do_QueryInterface(mFrameElement);
prompter->SetBrowser(browser);
}
*aResult = prompt.forget().take();
return NS_OK;
}
PColorPickerParent*
TabParent::AllocPColorPickerParent(const nsString& aTitle,
const nsString& aInitialColor)
{
return new ColorPickerParent(aTitle, aInitialColor);
}
bool
TabParent::DeallocPColorPickerParent(PColorPickerParent* actor)
{
delete actor;
return true;
}
PRenderFrameParent*
TabParent::AllocPRenderFrameParent()
{
MOZ_ASSERT(ManagedPRenderFrameParent().IsEmpty());
RefPtr<nsFrameLoader> frameLoader = GetFrameLoader();
RenderFrameParent* rfp = new RenderFrameParent(frameLoader);
if (rfp->IsInitted()) {
layers::LayersId layersId = rfp->GetLayersId();
AddTabParentToTable(layersId, this);
}
return rfp;
}
bool
TabParent::DeallocPRenderFrameParent(PRenderFrameParent* aFrame)
{
delete aFrame;
return true;
}
bool
TabParent::SetRenderFrame(PRenderFrameParent* aRFParent)
{
if (IsInitedByParent()) {
return false;
}
RefPtr<nsFrameLoader> frameLoader = GetFrameLoader();
if (!frameLoader) {
return false;
}
RenderFrameParent* renderFrame = static_cast<RenderFrameParent*>(aRFParent);
bool success = renderFrame->Init(frameLoader);
if (!success) {
return false;
}
frameLoader->MaybeShowFrame();
layers::LayersId layersId = renderFrame->GetLayersId();
AddTabParentToTable(layersId, this);
return true;
}
bool
TabParent::GetRenderFrameInfo(TextureFactoryIdentifier* aTextureFactoryIdentifier,
layers::LayersId* aLayersId)
{
RenderFrameParent* rfp = GetRenderFrame();
if (!rfp) {
return false;
}
*aLayersId = rfp->GetLayersId();
rfp->GetTextureFactoryIdentifier(aTextureFactoryIdentifier);
return true;
}
already_AddRefed<nsFrameLoader>
TabParent::GetFrameLoader(bool aUseCachedFrameLoaderAfterDestroy) const
{
if (mIsDestroyed && !aUseCachedFrameLoaderAfterDestroy) {
return nullptr;
}
if (mFrameLoader) {
RefPtr<nsFrameLoader> fl = mFrameLoader;
return fl.forget();
}
nsCOMPtr<nsIFrameLoaderOwner> frameLoaderOwner = do_QueryInterface(mFrameElement);
return frameLoaderOwner ? frameLoaderOwner->GetFrameLoader() : nullptr;
}
void
TabParent::TryCacheDPIAndScale()
{
if (mDPI > 0) {
return;
}
nsCOMPtr<nsIWidget> widget = GetWidget();
if (widget) {
mDPI = widget->GetDPI();
mRounding = widget->RoundsWidgetCoordinatesTo();
mDefaultScale = widget->GetDefaultScale();
}
}
already_AddRefed<nsIWidget>
TabParent::GetWidget() const
{
if (!mFrameElement) {
return nullptr;
}
nsCOMPtr<nsIWidget> widget = nsContentUtils::WidgetForContent(mFrameElement);
if (!widget) {
widget = nsContentUtils::WidgetForDocument(mFrameElement->OwnerDoc());
}
return widget.forget();
}
already_AddRefed<nsIWidget>
TabParent::GetDocWidget() const
{
if (!mFrameElement) {
return nullptr;
}
return do_AddRef(nsContentUtils::WidgetForDocument(mFrameElement->OwnerDoc()));
}
void
TabParent::ApzAwareEventRoutingToChild(ScrollableLayerGuid* aOutTargetGuid,
uint64_t* aOutInputBlockId,
nsEventStatus* aOutApzResponse)
{
// Let the widget know that the event will be sent to the child process,
// which will (hopefully) send a confirmation notice back to APZ.
// Do this even if APZ is off since we need it for swipe gesture support on
// OS X without APZ.
InputAPZContext::SetRoutedToChildProcess();
if (AsyncPanZoomEnabled()) {
if (aOutTargetGuid) {
*aOutTargetGuid = InputAPZContext::GetTargetLayerGuid();
// There may be cases where the APZ hit-testing code came to a different
// conclusion than the main-thread hit-testing code as to where the event
// is destined. In such cases the layersId of the APZ result may not match
// the layersId of this renderframe. In such cases the main-thread hit-
// testing code "wins" so we need to update the guid to reflect this.
if (RenderFrameParent* rfp = GetRenderFrame()) {
if (aOutTargetGuid->mLayersId != rfp->GetLayersId()) {
*aOutTargetGuid = ScrollableLayerGuid(rfp->GetLayersId(), 0, FrameMetrics::NULL_SCROLL_ID);
}
}
}
if (aOutInputBlockId) {
*aOutInputBlockId = InputAPZContext::GetInputBlockId();
}
if (aOutApzResponse) {
*aOutApzResponse = InputAPZContext::GetApzResponse();
}
} else {
if (aOutInputBlockId) {
*aOutInputBlockId = 0;
}
if (aOutApzResponse) {
*aOutApzResponse = nsEventStatus_eIgnore;
}
}
}
mozilla::ipc::IPCResult
TabParent::RecvBrowserFrameOpenWindow(PBrowserParent* aOpener,
PRenderFrameParent* aRenderFrame,
const nsString& aURL,
const nsString& aName,
const nsString& aFeatures,
BrowserFrameOpenWindowResolver&& aResolve)
{
CreatedWindowInfo cwi;
cwi.rv() = NS_OK;
cwi.layersId() = LayersId{0};
cwi.maxTouchPoints() = 0;
BrowserElementParent::OpenWindowResult opened =
BrowserElementParent::OpenWindowOOP(TabParent::GetFrom(aOpener),
this, aRenderFrame, aURL, aName, aFeatures,
&cwi.textureFactoryIdentifier(),
&cwi.layersId());
cwi.compositorOptions() =
static_cast<RenderFrameParent*>(aRenderFrame)->GetCompositorOptions();
cwi.windowOpened() = (opened == BrowserElementParent::OPEN_WINDOW_ADDED);
nsCOMPtr<nsIWidget> widget = GetWidget();
if (widget) {
cwi.maxTouchPoints() = widget->GetMaxTouchPoints();
cwi.dimensions() = GetDimensionInfo();
}
// Resolve the request with the information we collected.
aResolve(cwi);
if (!cwi.windowOpened()) {
Destroy();
}
return IPC_OK();
}
mozilla::ipc::IPCResult
TabParent::RecvRespondStartSwipeEvent(const uint64_t& aInputBlockId,
const bool& aStartSwipe)
{
if (nsCOMPtr<nsIWidget> widget = GetWidget()) {
widget->ReportSwipeStarted(aInputBlockId, aStartSwipe);
}
return IPC_OK();
}
already_AddRefed<nsILoadContext>
TabParent::GetLoadContext()
{
nsCOMPtr<nsILoadContext> loadContext;
if (mLoadContext) {
loadContext = mLoadContext;
} else {
bool isPrivate = mChromeFlags & nsIWebBrowserChrome::CHROME_PRIVATE_WINDOW;
SetPrivateBrowsingAttributes(isPrivate);
bool useTrackingProtection = false;
nsCOMPtr<nsIDocShell> docShell = mFrameElement->OwnerDoc()->GetDocShell();
if (docShell) {
docShell->GetUseTrackingProtection(&useTrackingProtection);
}
loadContext = new LoadContext(GetOwnerElement(),
true /* aIsContent */,
isPrivate,
mChromeFlags & nsIWebBrowserChrome::CHROME_REMOTE_WINDOW,
useTrackingProtection,
OriginAttributesRef());
mLoadContext = loadContext;
}
return loadContext.forget();
}
NS_IMETHODIMP
TabParent::GetUseAsyncPanZoom(bool* useAsyncPanZoom)
{
*useAsyncPanZoom = AsyncPanZoomEnabled();
return NS_OK;
}
// defined in nsITabParent
NS_IMETHODIMP
TabParent::SetDocShellIsActive(bool isActive)
{
mDocShellIsActive = isActive;
SetRenderLayers(isActive);
Unused << SendSetDocShellIsActive(isActive);
// update active accessible documents on windows
#if defined(XP_WIN) && defined(ACCESSIBILITY)
if (a11y::Compatibility::IsDolphin()) {
if (a11y::DocAccessibleParent* tabDoc = GetTopLevelDocAccessible()) {
HWND window = tabDoc->GetEmulatedWindowHandle();
MOZ_ASSERT(window);
if (window) {
if (isActive) {
a11y::nsWinUtils::ShowNativeWindow(window);
} else {
a11y::nsWinUtils::HideNativeWindow(window);
}
}
}
}
#endif
// Let's inform the priority manager. This operation can end up with the
// changing of the process priority.
ProcessPriorityManager::TabActivityChanged(this, isActive);
return NS_OK;
}
NS_IMETHODIMP
TabParent::GetDocShellIsActive(bool* aIsActive)
{
*aIsActive = mDocShellIsActive;
return NS_OK;
}
NS_IMETHODIMP
TabParent::SetRenderLayers(bool aEnabled)
{
if (aEnabled == mRenderLayers) {
if (aEnabled && mHasLayers && mPreserveLayers) {
// RenderLayers might be called when we've been preserving layers,
// and already had layers uploaded. In that case, the MozLayerTreeReady
// event will not naturally arrive, which can confuse the front-end
// layer. So we fire the event here.
RefPtr<TabParent> self = this;
uint64_t epoch = mLayerTreeEpoch;
NS_DispatchToMainThread(NS_NewRunnableFunction(
"dom::TabParent::RenderLayers",
[self, epoch] () {
MOZ_ASSERT(NS_IsMainThread());
self->LayerTreeUpdate(epoch, true);
}));
}
return NS_OK;
}
// Preserve layers means that attempts to stop rendering layers
// will be ignored.
if (!aEnabled && mPreserveLayers) {
return NS_OK;
}
mRenderLayers = aEnabled;
// Increment the epoch so that layer tree updates from previous
// RenderLayers requests are ignored.
mLayerTreeEpoch++;
Unused << SendRenderLayers(aEnabled, mLayerTreeEpoch);
// Ask the child to repaint using the PHangMonitor channel/thread (which may
// be less congested).
if (aEnabled) {
ContentParent* cp = Manager()->AsContentParent();
cp->ForceTabPaint(this, mLayerTreeEpoch);
}
return NS_OK;
}
NS_IMETHODIMP
TabParent::GetRenderLayers(bool* aResult)
{
*aResult = mRenderLayers;
return NS_OK;
}
NS_IMETHODIMP
TabParent::GetHasLayers(bool* aResult)
{
*aResult = mHasLayers;
return NS_OK;
}
NS_IMETHODIMP
TabParent::PreserveLayers(bool aPreserveLayers)
{
mPreserveLayers = aPreserveLayers;
return NS_OK;
}
NS_IMETHODIMP
TabParent::SuppressDisplayport(bool aEnabled)
{
if (IsDestroyed()) {
return NS_OK;
}
#ifdef DEBUG
if (aEnabled) {
mActiveSupressDisplayportCount++;
} else {
mActiveSupressDisplayportCount--;
}
MOZ_ASSERT(mActiveSupressDisplayportCount >= 0);
#endif
Unused << SendSuppressDisplayport(aEnabled);
return NS_OK;
}
NS_IMETHODIMP
TabParent::GetTabId(uint64_t* aId)
{
*aId = GetTabId();
return NS_OK;
}
NS_IMETHODIMP
TabParent::GetOsPid(int32_t* aId)
{
*aId = Manager()->Pid();
return NS_OK;
}
NS_IMETHODIMP
TabParent::GetHasContentOpener(bool* aResult)
{
*aResult = mHasContentOpener;
return NS_OK;
}
void
TabParent::SetHasContentOpener(bool aHasContentOpener)
{
mHasContentOpener = aHasContentOpener;
}
NS_IMETHODIMP
TabParent::GetHasPresented(bool* aResult)
{
*aResult = mHasPresented;
return NS_OK;
}
NS_IMETHODIMP
TabParent::NavigateByKey(bool aForward, bool aForDocumentNavigation)
{
Unused << SendNavigateByKey(aForward, aForDocumentNavigation);
return NS_OK;
}
NS_IMETHODIMP
TabParent::TransmitPermissionsForPrincipal(nsIPrincipal* aPrincipal)
{
nsCOMPtr<nsIContentParent> manager = Manager();
if (!manager->IsContentParent()) {
return NS_ERROR_UNEXPECTED;
}
return manager->AsContentParent()
->TransmitPermissionsForPrincipal(aPrincipal);
}
NS_IMETHODIMP
TabParent::GetHasBeforeUnload(bool* aResult)
{
*aResult = mHasBeforeUnload;
return NS_OK;
}
void
TabParent::LayerTreeUpdate(uint64_t aEpoch, bool aActive)
{
// Ignore updates from old epochs. They might tell us that layers are
// available when we've already sent a message to clear them. We can't trust
// the update in that case since layers could disappear anytime after that.
if (aEpoch != mLayerTreeEpoch || mIsDestroyed) {
return;
}
nsCOMPtr<mozilla::dom::EventTarget> target = do_QueryInterface(mFrameElement);
if (!target) {
NS_WARNING("Could not locate target for layer tree message.");
return;
}
mHasLayers = aActive;
RefPtr<Event> event = NS_NewDOMEvent(mFrameElement, nullptr, nullptr);
if (aActive) {
mHasPresented = true;
event->InitEvent(NS_LITERAL_STRING("MozLayerTreeReady"), true, false);
} else {
event->InitEvent(NS_LITERAL_STRING("MozLayerTreeCleared"), true, false);
}
event->SetTrusted(true);
event->WidgetEventPtr()->mFlags.mOnlyChromeDispatch = true;
mFrameElement->DispatchEvent(*event);
}
mozilla::ipc::IPCResult
TabParent::RecvForcePaintNoOp(const uint64_t& aLayerObserverEpoch)
{
// We sent a ForcePaint message when layers were already visible. In this
// case, we should act as if an update occurred even though we already have
// the layers.
LayerTreeUpdate(aLayerObserverEpoch, true);
return IPC_OK();
}
mozilla::ipc::IPCResult
TabParent::RecvRemotePaintIsReady()
{
nsCOMPtr<mozilla::dom::EventTarget> target = do_QueryInterface(mFrameElement);
if (!target) {
NS_WARNING("Could not locate target for MozAfterRemotePaint message.");
return IPC_OK();
}
RefPtr<Event> event = NS_NewDOMEvent(mFrameElement, nullptr, nullptr);
event->InitEvent(NS_LITERAL_STRING("MozAfterRemotePaint"), false, false);
event->SetTrusted(true);
event->WidgetEventPtr()->mFlags.mOnlyChromeDispatch = true;
mFrameElement->DispatchEvent(*event);
return IPC_OK();
}
mozilla::ipc::IPCResult
TabParent::RecvRemoteIsReadyToHandleInputEvents()
{
// When enabling input event prioritization, input events may preempt other
// normal priority IPC messages. To prevent the input events preempt
// PBrowserConstructor, we use an IPC 'RemoteIsReadyToHandleInputEvents' to
// notify the parent that TabChild is created and ready to handle input
// events.
SetReadyToHandleInputEvents();
return IPC_OK();
}
mozilla::plugins::PPluginWidgetParent*
TabParent::AllocPPluginWidgetParent()
{
#ifdef XP_WIN
return new mozilla::plugins::PluginWidgetParent();
#else
MOZ_ASSERT_UNREACHABLE("AllocPPluginWidgetParent only supports Windows");
return nullptr;
#endif
}
bool
TabParent::DeallocPPluginWidgetParent(mozilla::plugins::PPluginWidgetParent* aActor)
{
delete aActor;
return true;
}
PPaymentRequestParent*
TabParent::AllocPPaymentRequestParent()
{
RefPtr<PaymentRequestParent> actor = new PaymentRequestParent(GetTabId());
return actor.forget().take();
}
bool
TabParent::DeallocPPaymentRequestParent(PPaymentRequestParent* aActor)
{
RefPtr<PaymentRequestParent> actor =
dont_AddRef(static_cast<PaymentRequestParent*>(aActor));
return true;
}
nsresult
TabParent::HandleEvent(Event* aEvent)
{
nsAutoString eventType;
aEvent->GetType(eventType);
if (eventType.EqualsLiteral("MozUpdateWindowPos") && !mIsDestroyed) {
// This event is sent when the widget moved. Therefore we only update
// the position.
return UpdatePosition();
}
return NS_OK;
}
class FakeChannel final : public nsIChannel,
public nsIAuthPromptCallback,
public nsIInterfaceRequestor,
public nsILoadContext
{
public:
FakeChannel(const nsCString& aUri, uint64_t aCallbackId, Element* aElement)
: mCallbackId(aCallbackId)
, mElement(aElement)
{
NS_NewURI(getter_AddRefs(mUri), aUri);
}
NS_DECL_ISUPPORTS
#define NO_IMPL override { return NS_ERROR_NOT_IMPLEMENTED; }
NS_IMETHOD GetName(nsACString&) NO_IMPL
NS_IMETHOD IsPending(bool*) NO_IMPL
NS_IMETHOD GetStatus(nsresult*) NO_IMPL
NS_IMETHOD Cancel(nsresult) NO_IMPL
NS_IMETHOD Suspend() NO_IMPL
NS_IMETHOD Resume() NO_IMPL
NS_IMETHOD GetLoadGroup(nsILoadGroup**) NO_IMPL
NS_IMETHOD SetLoadGroup(nsILoadGroup*) NO_IMPL
NS_IMETHOD SetLoadFlags(nsLoadFlags) NO_IMPL
NS_IMETHOD GetLoadFlags(nsLoadFlags*) NO_IMPL
NS_IMETHOD GetIsDocument(bool *) NO_IMPL
NS_IMETHOD GetOriginalURI(nsIURI**) NO_IMPL
NS_IMETHOD SetOriginalURI(nsIURI*) NO_IMPL
NS_IMETHOD GetURI(nsIURI** aUri) override
{
nsCOMPtr<nsIURI> copy = mUri;
copy.forget(aUri);
return NS_OK;
}
NS_IMETHOD GetOwner(nsISupports**) NO_IMPL
NS_IMETHOD SetOwner(nsISupports*) NO_IMPL
NS_IMETHOD GetLoadInfo(nsILoadInfo** aLoadInfo) override
{
nsCOMPtr<nsILoadInfo> copy = mLoadInfo;
copy.forget(aLoadInfo);
return NS_OK;
}
NS_IMETHOD SetLoadInfo(nsILoadInfo* aLoadInfo) override
{
mLoadInfo = aLoadInfo;
return NS_OK;
}
NS_IMETHOD GetNotificationCallbacks(nsIInterfaceRequestor** aRequestor) override
{
NS_ADDREF(*aRequestor = this);
return NS_OK;
}
NS_IMETHOD SetNotificationCallbacks(nsIInterfaceRequestor*) NO_IMPL
NS_IMETHOD GetSecurityInfo(nsISupports**) NO_IMPL
NS_IMETHOD GetContentType(nsACString&) NO_IMPL
NS_IMETHOD SetContentType(const nsACString&) NO_IMPL
NS_IMETHOD GetContentCharset(nsACString&) NO_IMPL
NS_IMETHOD SetContentCharset(const nsACString&) NO_IMPL
NS_IMETHOD GetContentLength(int64_t*) NO_IMPL
NS_IMETHOD SetContentLength(int64_t) NO_IMPL
NS_IMETHOD Open(nsIInputStream**) NO_IMPL
NS_IMETHOD Open2(nsIInputStream**) NO_IMPL
NS_IMETHOD AsyncOpen(nsIStreamListener*, nsISupports*) NO_IMPL
NS_IMETHOD AsyncOpen2(nsIStreamListener*) NO_IMPL
NS_IMETHOD GetContentDisposition(uint32_t*) NO_IMPL
NS_IMETHOD SetContentDisposition(uint32_t) NO_IMPL
NS_IMETHOD GetContentDispositionFilename(nsAString&) NO_IMPL
NS_IMETHOD SetContentDispositionFilename(const nsAString&) NO_IMPL
NS_IMETHOD GetContentDispositionHeader(nsACString&) NO_IMPL
NS_IMETHOD OnAuthAvailable(nsISupports *aContext, nsIAuthInformation *aAuthInfo) override;
NS_IMETHOD OnAuthCancelled(nsISupports *aContext, bool userCancel) override;
NS_IMETHOD GetInterface(const nsIID & uuid, void **result) override
{
return QueryInterface(uuid, result);
}
NS_IMETHOD GetAssociatedWindow(mozIDOMWindowProxy**) NO_IMPL
NS_IMETHOD GetTopWindow(mozIDOMWindowProxy**) NO_IMPL
NS_IMETHOD GetTopFrameElement(nsIDOMElement** aElement) override
{
nsCOMPtr<nsIDOMElement> elem = do_QueryInterface(mElement);
elem.forget(aElement);
return NS_OK;
}
NS_IMETHOD GetNestedFrameId(uint64_t*) NO_IMPL
NS_IMETHOD GetIsContent(bool*) NO_IMPL
NS_IMETHOD GetUsePrivateBrowsing(bool*) NO_IMPL
NS_IMETHOD SetUsePrivateBrowsing(bool) NO_IMPL
NS_IMETHOD SetPrivateBrowsing(bool) NO_IMPL
NS_IMETHOD GetIsInIsolatedMozBrowserElement(bool*) NO_IMPL
NS_IMETHOD GetScriptableOriginAttributes(JS::MutableHandleValue) NO_IMPL
NS_IMETHOD_(void) GetOriginAttributes(mozilla::OriginAttributes& aAttrs) override {}
NS_IMETHOD GetUseRemoteTabs(bool*) NO_IMPL
NS_IMETHOD SetRemoteTabs(bool) NO_IMPL
NS_IMETHOD GetUseTrackingProtection(bool*) NO_IMPL
NS_IMETHOD SetUseTrackingProtection(bool) NO_IMPL
#undef NO_IMPL
protected:
~FakeChannel() {}
nsCOMPtr<nsIURI> mUri;
uint64_t mCallbackId;
nsCOMPtr<Element> mElement;
nsCOMPtr<nsILoadInfo> mLoadInfo;
};
NS_IMPL_ISUPPORTS(FakeChannel, nsIChannel, nsIAuthPromptCallback,
nsIRequest, nsIInterfaceRequestor, nsILoadContext);
mozilla::ipc::IPCResult
TabParent::RecvAsyncAuthPrompt(const nsCString& aUri,
const nsString& aRealm,
const uint64_t& aCallbackId)
{
nsCOMPtr<nsIAuthPrompt2> authPrompt;
GetAuthPrompt(nsIAuthPromptProvider::PROMPT_NORMAL,
NS_GET_IID(nsIAuthPrompt2),
getter_AddRefs(authPrompt));
RefPtr<FakeChannel> channel = new FakeChannel(aUri, aCallbackId, mFrameElement);
uint32_t promptFlags = nsIAuthInformation::AUTH_HOST;
RefPtr<nsAuthInformationHolder> holder =
new nsAuthInformationHolder(promptFlags, aRealm,
EmptyCString());
uint32_t level = nsIAuthPrompt2::LEVEL_NONE;
nsCOMPtr<nsICancelable> dummy;
nsresult rv =
authPrompt->AsyncPromptAuth(channel, channel, nullptr,
level, holder, getter_AddRefs(dummy));
if (NS_FAILED(rv)) {
return IPC_FAIL_NO_REASON(this);
}
return IPC_OK();
}
mozilla::ipc::IPCResult
TabParent::RecvInvokeDragSession(nsTArray<IPCDataTransfer>&& aTransfers,
const uint32_t& aAction,
const OptionalShmem& aVisualDnDData,
const uint32_t& aStride, const gfx::SurfaceFormat& aFormat,
const LayoutDeviceIntRect& aDragRect,
const nsCString& aPrincipalURISpec)
{
mInitialDataTransferItems.Clear();
nsIPresShell* shell = mFrameElement->OwnerDoc()->GetShell();
if (!shell) {
if (Manager()->IsContentParent()) {
Unused << Manager()->AsContentParent()->SendEndDragSession(true, true,
LayoutDeviceIntPoint(),
0);
// Continue sending input events with input priority when stopping the dnd
// session.
Manager()->AsContentParent()->SetInputPriorityEventEnabled(true);
}
return IPC_OK();
}
EventStateManager* esm = shell->GetPresContext()->EventStateManager();
for (uint32_t i = 0; i < aTransfers.Length(); ++i) {
mInitialDataTransferItems.AppendElement(mozilla::Move(aTransfers[i].items()));
}
if (Manager()->IsContentParent()) {
nsCOMPtr<nsIDragService> dragService =
do_GetService("@mozilla.org/widget/dragservice;1");
if (dragService) {
dragService->MaybeAddChildProcess(Manager()->AsContentParent());
}
}
if (aVisualDnDData.type() == OptionalShmem::Tvoid_t ||
!aVisualDnDData.get_Shmem().IsReadable() ||
aVisualDnDData.get_Shmem().Size<char>() < aDragRect.height * aStride) {
mDnDVisualization = nullptr;
} else {
mDnDVisualization =
gfx::CreateDataSourceSurfaceFromData(gfx::IntSize(aDragRect.width, aDragRect.height),
aFormat,
aVisualDnDData.get_Shmem().get<uint8_t>(),
aStride);
}
mDragValid = true;
mDragRect = aDragRect;
mDragPrincipalURISpec = aPrincipalURISpec;
esm->BeginTrackingRemoteDragGesture(mFrameElement);
if (aVisualDnDData.type() == OptionalShmem::TShmem) {
Unused << DeallocShmem(aVisualDnDData);
}
return IPC_OK();
}
void
TabParent::AddInitialDnDDataTo(DataTransfer* aDataTransfer,
nsACString& aPrincipalURISpec)
{
aPrincipalURISpec.Assign(mDragPrincipalURISpec);
nsCOMPtr<nsIPrincipal> principal;
if (!mDragPrincipalURISpec.IsEmpty()) {
// If principal is given, try using it first.
principal = BasePrincipal::CreateCodebasePrincipal(mDragPrincipalURISpec);
}
if (!principal) {
// Fallback to system principal, to handle like the data is from browser
// chrome or OS.
principal = nsContentUtils::GetSystemPrincipal();
}
for (uint32_t i = 0; i < mInitialDataTransferItems.Length(); ++i) {
nsTArray<IPCDataTransferItem>& itemArray = mInitialDataTransferItems[i];
for (auto& item : itemArray) {
RefPtr<nsVariantCC> variant = new nsVariantCC();
// Special case kFilePromiseMime so that we get the right
// nsIFlavorDataProvider for it.
if (item.flavor().EqualsLiteral(kFilePromiseMime)) {
RefPtr<nsISupports> flavorDataProvider =
new nsContentAreaDragDropDataProvider();
variant->SetAsISupports(flavorDataProvider);
} else if (item.data().type() == IPCDataTransferData::TnsString) {
variant->SetAsAString(item.data().get_nsString());
} else if (item.data().type() == IPCDataTransferData::TIPCBlob) {
RefPtr<BlobImpl> impl =
IPCBlobUtils::Deserialize(item.data().get_IPCBlob());
variant->SetAsISupports(impl);
} else if (item.data().type() == IPCDataTransferData::TShmem) {
if (nsContentUtils::IsFlavorImage(item.flavor())) {
// An image! Get the imgIContainer for it and set it in the variant.
nsCOMPtr<imgIContainer> imageContainer;
nsresult rv =
nsContentUtils::DataTransferItemToImage(item,
getter_AddRefs(imageContainer));
if (NS_FAILED(rv)) {
continue;
}
variant->SetAsISupports(imageContainer);
} else {
Shmem data = item.data().get_Shmem();
variant->SetAsACString(nsDependentCString(data.get<char>(), data.Size<char>()));
}
mozilla::Unused << DeallocShmem(item.data().get_Shmem());
}
// We set aHidden to false, as we don't need to worry about hiding data
// from content in the parent process where there is no content.
// XXX: Nested Content Processes may change this
aDataTransfer->SetDataWithPrincipalFromOtherProcess(NS_ConvertUTF8toUTF16(item.flavor()),
variant, i,
principal,
/* aHidden = */ false);
}
}
mInitialDataTransferItems.Clear();
mDragPrincipalURISpec.Truncate(0);
}
bool
TabParent::TakeDragVisualization(RefPtr<mozilla::gfx::SourceSurface>& aSurface,
LayoutDeviceIntRect* aDragRect)
{
if (!mDragValid)
return false;
aSurface = mDnDVisualization.forget();
*aDragRect = mDragRect;
mDragValid = false;
return true;
}
bool
TabParent::AsyncPanZoomEnabled() const
{
nsCOMPtr<nsIWidget> widget = GetWidget();
return widget && widget->AsyncPanZoomEnabled();
}
void
TabParent::StartPersistence(uint64_t aOuterWindowID,
nsIWebBrowserPersistDocumentReceiver* aRecv,
ErrorResult& aRv)
{
nsCOMPtr<nsIContentParent> manager = Manager();
if (!manager->IsContentParent()) {
aRv.Throw(NS_ERROR_UNEXPECTED);
return;
}
auto* actor = new WebBrowserPersistDocumentParent();
actor->SetOnReady(aRecv);
bool ok = manager->AsContentParent()
->SendPWebBrowserPersistDocumentConstructor(actor, this, aOuterWindowID);
if (!ok) {
aRv.Throw(NS_ERROR_FAILURE);
}
// (The actor will be destroyed on constructor failure.)
}
NS_IMETHODIMP
TabParent::StartApzAutoscroll(float aAnchorX, float aAnchorY,
nsViewID aScrollId, uint32_t aPresShellId,
bool* aOutRetval)
{
if (!AsyncPanZoomEnabled()) {
*aOutRetval = false;
return NS_OK;
}
bool success = false;
if (RenderFrameParent* renderFrame = GetRenderFrame()) {
layers::LayersId layersId = renderFrame->GetLayersId();
if (nsCOMPtr<nsIWidget> widget = GetWidget()) {
ScrollableLayerGuid guid{layersId, aPresShellId, aScrollId};
// The anchor coordinates that are passed in are relative to the origin
// of the screen, but we are sending them to APZ which only knows about
// coordinates relative to the widget, so convert them accordingly.
CSSPoint anchorCss{aAnchorX, aAnchorY};
LayoutDeviceIntPoint anchor = RoundedToInt(anchorCss * widget->GetDefaultScale());
anchor -= widget->WidgetToScreenOffset();
success = widget->StartAsyncAutoscroll(
ViewAs<ScreenPixel>(anchor, PixelCastJustification::LayoutDeviceIsScreenForBounds),
guid);
}
}
*aOutRetval = success;
return NS_OK;
}
NS_IMETHODIMP
TabParent::StopApzAutoscroll(nsViewID aScrollId, uint32_t aPresShellId)
{
if (!AsyncPanZoomEnabled()) {
return NS_OK;
}
if (RenderFrameParent* renderFrame = GetRenderFrame()) {
layers::LayersId layersId = renderFrame->GetLayersId();
if (nsCOMPtr<nsIWidget> widget = GetWidget()) {
ScrollableLayerGuid guid{layersId, aPresShellId, aScrollId};
widget->StopAsyncAutoscroll(guid);
}
}
return NS_OK;
}
ShowInfo
TabParent::GetShowInfo()
{
TryCacheDPIAndScale();
if (mFrameElement) {
nsAutoString name;
mFrameElement->GetAttr(kNameSpaceID_None, nsGkAtoms::name, name);
bool allowFullscreen =
mFrameElement->HasAttr(kNameSpaceID_None, nsGkAtoms::allowfullscreen) ||
mFrameElement->HasAttr(kNameSpaceID_None, nsGkAtoms::mozallowfullscreen);
bool isPrivate = mFrameElement->HasAttr(kNameSpaceID_None, nsGkAtoms::mozprivatebrowsing);
bool isTransparent =
nsContentUtils::IsChromeDoc(mFrameElement->OwnerDoc()) &&
mFrameElement->HasAttr(kNameSpaceID_None, nsGkAtoms::transparent);
return ShowInfo(name, allowFullscreen, isPrivate, false,
isTransparent, mDPI, mRounding, mDefaultScale.scale);
}
return ShowInfo(EmptyString(), false, false, false,
false, mDPI, mRounding, mDefaultScale.scale);
}
mozilla::ipc::IPCResult
TabParent::RecvGetTabCount(uint32_t* aValue)
{
*aValue = 0;
nsCOMPtr<nsIXULBrowserWindow> xulBrowserWindow = GetXULBrowserWindow();
NS_ENSURE_TRUE(xulBrowserWindow, IPC_OK());
uint32_t tabCount;
nsresult rv = xulBrowserWindow->GetTabCount(&tabCount);
NS_ENSURE_SUCCESS(rv, IPC_OK());
*aValue = tabCount;
return IPC_OK();
}
mozilla::ipc::IPCResult
TabParent::RecvLookUpDictionary(const nsString& aText,
nsTArray<FontRange>&& aFontRangeArray,
const bool& aIsVertical,
const LayoutDeviceIntPoint& aPoint)
{
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget) {
return IPC_OK();
}
widget->LookUpDictionary(aText, aFontRangeArray, aIsVertical,
aPoint - GetChildProcessOffset());
return IPC_OK();
}
mozilla::ipc::IPCResult
TabParent::RecvShowCanvasPermissionPrompt(const nsCString& aFirstPartyURI)
{
nsCOMPtr<nsIBrowser> browser = do_QueryInterface(mFrameElement);
if (!browser) {
// If the tab is being closed, the browser may not be available.
// In this case we can ignore the request.
return IPC_OK();
}
nsCOMPtr<nsIObserverService> os = services::GetObserverService();
if (!os) {
return IPC_FAIL_NO_REASON(this);
}
nsresult rv = os->NotifyObservers(browser, "canvas-permissions-prompt",
NS_ConvertUTF8toUTF16(aFirstPartyURI).get());
if (NS_FAILED(rv)) {
return IPC_FAIL_NO_REASON(this);
}
return IPC_OK();
}
void
TabParent::LiveResizeStarted()
{
SuppressDisplayport(true);
}
void
TabParent::LiveResizeStopped()
{
SuppressDisplayport(false);
}
NS_IMETHODIMP
FakeChannel::OnAuthAvailable(nsISupports *aContext, nsIAuthInformation *aAuthInfo)
{
nsAuthInformationHolder* holder =
static_cast<nsAuthInformationHolder*>(aAuthInfo);
if (!net::gNeckoChild->SendOnAuthAvailable(mCallbackId,
holder->User(),
holder->Password(),
holder->Domain())) {
return NS_ERROR_FAILURE;
}
return NS_OK;
}
NS_IMETHODIMP
FakeChannel::OnAuthCancelled(nsISupports *aContext, bool userCancel)
{
if (!net::gNeckoChild->SendOnAuthCancelled(mCallbackId, userCancel)) {
return NS_ERROR_FAILURE;
}
return NS_OK;
}
} // namespace dom
} // namespace mozilla
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