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88718db0f7
gecko/dom/ipc/TabParent.cpp
Ryan VanderMeulen 88718db0f7 Backed out 7 changesets (bug 1075670) for causing bug 1139010. 
Backed out changeset 659c40243282 (bug 1075670)
Backed out changeset 45b61c78ee2d (bug 1075670)
Backed out changeset 23bb7b239c78 (bug 1075670)
Backed out changeset a68d5051107f (bug 1075670)
Backed out changeset bd7a5d213692 (bug 1075670)
Backed out changeset f705f5063169 (bug 1075670)
Backed out changeset 13619f8fa672 (bug 1075670)

CLOSED TREE
2015-03-03 18:44:56 -05:00

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/* -*- Mode: C++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 8; -*- */
/* vim: set sw=2 ts=8 et 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"
#include "AppProcessChecker.h"
#include "mozIApplication.h"
#include "mozilla/BrowserElementParent.h"
#include "mozilla/dom/ContentParent.h"
#include "mozilla/dom/PContentPermissionRequestParent.h"
#include "mozilla/dom/ServiceWorkerRegistrar.h"
#include "mozilla/dom/indexedDB/ActorsParent.h"
#include "mozilla/plugins/PluginWidgetParent.h"
#include "mozilla/EventStateManager.h"
#include "mozilla/Hal.h"
#include "mozilla/ipc/DocumentRendererParent.h"
#include "mozilla/jsipc/CrossProcessObjectWrappers.h"
#include "mozilla/layers/CompositorParent.h"
#include "mozilla/layers/InputAPZContext.h"
#include "mozilla/layout/RenderFrameParent.h"
#include "mozilla/MouseEvents.h"
#include "mozilla/net/NeckoChild.h"
#include "mozilla/Preferences.h"
#include "mozilla/TextEvents.h"
#include "mozilla/TouchEvents.h"
#include "mozilla/unused.h"
#include "nsCOMPtr.h"
#include "nsContentPermissionHelper.h"
#include "nsContentUtils.h"
#include "nsDebug.h"
#include "nsFocusManager.h"
#include "nsFrameLoader.h"
#include "nsIBaseWindow.h"
#include "nsIContent.h"
#include "nsIDocShell.h"
#include "nsIDocShellTreeOwner.h"
#include "nsIDOMChromeWindow.h"
#include "nsIDOMElement.h"
#include "nsIDOMEvent.h"
#include "nsIDOMWindow.h"
#include "nsIDOMWindowUtils.h"
#include "nsIInterfaceRequestorUtils.h"
#include "nsILoadInfo.h"
#include "nsPrincipal.h"
#include "nsIPromptFactory.h"
#include "nsIURI.h"
#include "nsIWebBrowserChrome.h"
#include "nsIWindowCreator2.h"
#include "nsIXULBrowserWindow.h"
#include "nsIXULWindow.h"
#include "nsIRemoteBrowser.h"
#include "nsViewManager.h"
#include "nsIWidget.h"
#include "nsIWindowMediator.h"
#include "nsIWindowWatcher.h"
#include "nsOpenURIInFrameParams.h"
#include "nsPIDOMWindow.h"
#include "nsPIWindowWatcher.h"
#include "nsPresShell.h"
#include "nsPrintfCString.h"
#include "nsServiceManagerUtils.h"
#include "nsThreadUtils.h"
#include "nsWindowWatcher.h"
#include "private/pprio.h"
#include "PermissionMessageUtils.h"
#include "StructuredCloneUtils.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 <algorithm>
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;
// The flags passed by the webProgress notifications are 16 bits shifted
// from the ones registered by webProgressListeners.
#define NOTIFY_FLAG_SHIFT 16
class OpenFileAndSendFDRunnable : public nsRunnable
{
const nsString mPath;
nsRefPtr<TabParent> mTabParent;
nsCOMPtr<nsIEventTarget> mEventTarget;
PRFileDesc* mFD;
public:
OpenFileAndSendFDRunnable(const nsAString& aPath, TabParent* aTabParent)
: mPath(aPath), mTabParent(aTabParent), mFD(nullptr)
{
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(!aPath.IsEmpty());
MOZ_ASSERT(aTabParent);
}
void Dispatch()
{
MOZ_ASSERT(NS_IsMainThread());
mEventTarget = do_GetService(NS_STREAMTRANSPORTSERVICE_CONTRACTID);
NS_ENSURE_TRUE_VOID(mEventTarget);
nsresult rv = mEventTarget->Dispatch(this, NS_DISPATCH_NORMAL);
NS_ENSURE_SUCCESS_VOID(rv);
}
private:
~OpenFileAndSendFDRunnable()
{
MOZ_ASSERT(!mFD);
}
// This shouldn't be called directly except by the event loop. Use Dispatch
// to start the sequence.
NS_IMETHOD Run()
{
if (NS_IsMainThread()) {
SendResponse();
} else if (mFD) {
CloseFile();
} else {
OpenFile();
}
return NS_OK;
}
void SendResponse()
{
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(mTabParent);
MOZ_ASSERT(mEventTarget);
nsRefPtr<TabParent> tabParent;
mTabParent.swap(tabParent);
using mozilla::ipc::FileDescriptor;
FileDescriptor fd;
if (mFD) {
FileDescriptor::PlatformHandleType handle =
FileDescriptor::PlatformHandleType(PR_FileDesc2NativeHandle(mFD));
fd = FileDescriptor(handle);
}
// Our TabParent may have been destroyed already. If so, don't send any
// fds over, just go back to the IO thread and close them.
if (!tabParent->IsDestroyed()) {
mozilla::unused << tabParent->SendCacheFileDescriptor(mPath, fd);
}
if (!mFD) {
return;
}
nsCOMPtr<nsIEventTarget> eventTarget;
mEventTarget.swap(eventTarget);
if (NS_FAILED(eventTarget->Dispatch(this, NS_DISPATCH_NORMAL))) {
NS_WARNING("Failed to dispatch to stream transport service!");
// It's probably safer to take the main thread IO hit here rather
// than leak a file descriptor.
CloseFile();
}
}
// Helper method to avoid gnarly control flow for failures.
void OpenFileImpl()
{
MOZ_ASSERT(!NS_IsMainThread());
MOZ_ASSERT(!mFD);
nsCOMPtr<nsIFile> file;
nsresult rv = NS_NewLocalFile(mPath, false, getter_AddRefs(file));
NS_ENSURE_SUCCESS_VOID(rv);
PRFileDesc* fd;
rv = file->OpenNSPRFileDesc(PR_RDONLY, 0, &fd);
NS_ENSURE_SUCCESS_VOID(rv);
mFD = fd;
}
void OpenFile()
{
MOZ_ASSERT(!NS_IsMainThread());
OpenFileImpl();
if (NS_FAILED(NS_DispatchToMainThread(this))) {
NS_WARNING("Failed to dispatch to main thread!");
// Intentionally leak the runnable (but not the fd) rather
// than crash when trying to release a main thread object
// off the main thread.
mTabParent.forget();
CloseFile();
}
}
void CloseFile()
{
// It's possible for this to happen on the main thread if the dispatch
// to the stream service fails after we've already opened the file so
// we can't assert the thread we're running on.
MOZ_ASSERT(mFD);
PRStatus prrc;
prrc = PR_Close(mFD);
if (prrc != PR_SUCCESS) {
NS_ERROR("PR_Close() failed.");
}
mFD = nullptr;
}
};
namespace mozilla {
namespace dom {
TabParent* sEventCapturer;
TabParent *TabParent::mIMETabParent = nullptr;
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)
, mIMESelectionAnchor(0)
, mIMESelectionFocus(0)
, mWritingMode()
, mIMEComposing(false)
, mIMECompositionEnding(false)
, mIMEEventCountAfterEnding(0)
, mIMECompositionStart(0)
, mIMESeqno(0)
, mIMECompositionRectOffset(0)
, mEventCaptureDepth(0)
, mRect(0, 0, 0, 0)
, mDimensions(0, 0)
, mOrientation(0)
, mDPI(0)
, mDefaultScale(0)
, mShown(false)
, mUpdatedDimensions(false)
, mManager(aManager)
, mMarkedDestroying(false)
, mIsDestroyed(false)
, mAppPackageFileDescriptorSent(false)
, mSendOfflineStatus(true)
, mChromeFlags(aChromeFlags)
, mInitedByParent(false)
, mTabId(aTabId)
, mCreatingWindow(false)
{
MOZ_ASSERT(aManager);
}
TabParent::~TabParent()
{
}
TabParent*
TabParent::GetTabParentFromLayersId(uint64_t aLayersId)
{
if (!sLayerToTabParentTable) {
return nullptr;
}
return sLayerToTabParentTable->Get(aLayersId);
}
void
TabParent::AddTabParentToTable(uint64_t aLayersId, TabParent* aTabParent)
{
if (!sLayerToTabParentTable) {
sLayerToTabParentTable = new LayerToTabParentTable();
}
sLayerToTabParentTable->Put(aLayersId, aTabParent);
}
void
TabParent::RemoveTabParentFromTable(uint64_t aLayersId)
{
if (!sLayerToTabParentTable) {
return;
}
sLayerToTabParentTable->Remove(aLayersId);
if (sLayerToTabParentTable->Count() == 0) {
delete sLayerToTabParentTable;
sLayerToTabParentTable = nullptr;
}
}
void
TabParent::SetOwnerElement(Element* aElement)
{
mFrameElement = aElement;
TryCacheDPIAndScale();
}
void
TabParent::GetAppType(nsAString& aOut)
{
aOut.Truncate();
nsCOMPtr<Element> elem = do_QueryInterface(mFrameElement);
if (!elem) {
return;
}
elem->GetAttr(kNameSpaceID_None, nsGkAtoms::mozapptype, aOut);
}
bool
TabParent::IsVisible()
{
nsRefPtr<nsFrameLoader> frameLoader = GetFrameLoader();
if (!frameLoader) {
return false;
}
bool visible = false;
frameLoader->GetVisible(&visible);
return visible;
}
void
TabParent::Destroy()
{
if (mIsDestroyed) {
return;
}
// 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();
}
mIsDestroyed = true;
if (XRE_GetProcessType() == GeckoProcessType_Default) {
Manager()->AsContentParent()->NotifyTabDestroying(this);
}
// Let all PluginWidgets know we are tearing down. Prevents
// these objects from sending async events after the child side
// is shut down.
const nsTArray<PPluginWidgetParent*>& kids = ManagedPPluginWidgetParent();
for (uint32_t idx = 0; idx < kids.Length(); ++idx) {
static_cast<mozilla::plugins::PluginWidgetParent*>(kids[idx])->ParentDestroy();
}
mMarkedDestroying = true;
}
bool
TabParent::Recv__delete__()
{
if (XRE_GetProcessType() == GeckoProcessType_Default) {
Manager()->AsContentParent()->NotifyTabDestroyed(this, mMarkedDestroying);
ContentParent::DeallocateTabId(mTabId,
Manager()->AsContentParent()->ChildID());
}
else {
ContentParent::DeallocateTabId(mTabId, ContentParentId(0));
}
return true;
}
void
TabParent::ActorDestroy(ActorDestroyReason why)
{
if (sEventCapturer == this) {
sEventCapturer = nullptr;
}
if (mIMETabParent == this) {
mIMETabParent = nullptr;
}
nsRefPtr<nsFrameLoader> frameLoader = GetFrameLoader();
nsCOMPtr<nsIObserverService> os = services::GetObserverService();
nsRefPtr<nsFrameMessageManager> fmm;
if (frameLoader) {
fmm = frameLoader->GetFrameMessageManager();
nsCOMPtr<Element> frameElement(mFrameElement);
ReceiveMessage(CHILD_PROCESS_SHUTDOWN_MESSAGE, false, nullptr, nullptr,
nullptr);
frameLoader->DestroyChild();
if (why == AbnormalShutdown && os) {
os->NotifyObservers(NS_ISUPPORTS_CAST(nsIFrameLoader*, frameLoader),
"oop-frameloader-crashed", nullptr);
nsContentUtils::DispatchTrustedEvent(frameElement->OwnerDoc(), frameElement,
NS_LITERAL_STRING("oop-browser-crashed"),
true, true);
}
}
if (os) {
os->NotifyObservers(NS_ISUPPORTS_CAST(nsITabParent*, this), "ipc:browser-destroyed", nullptr);
}
if (fmm) {
fmm->Disconnect();
}
}
bool
TabParent::RecvMoveFocus(const bool& aForward)
{
nsCOMPtr<nsIFocusManager> fm = do_GetService(FOCUSMANAGER_CONTRACTID);
if (fm) {
nsCOMPtr<nsIDOMElement> dummy;
uint32_t type = aForward ? uint32_t(nsIFocusManager::MOVEFOCUS_FORWARD)
: uint32_t(nsIFocusManager::MOVEFOCUS_BACKWARD);
nsCOMPtr<nsIDOMElement> frame = do_QueryInterface(mFrameElement);
fm->MoveFocus(nullptr, frame, type, nsIFocusManager::FLAG_BYKEY,
getter_AddRefs(dummy));
}
return true;
}
bool
TabParent::RecvEvent(const RemoteDOMEvent& aEvent)
{
nsCOMPtr<nsIDOMEvent> event = do_QueryInterface(aEvent.mEvent);
NS_ENSURE_TRUE(event, true);
nsCOMPtr<mozilla::dom::EventTarget> target = do_QueryInterface(mFrameElement);
NS_ENSURE_TRUE(target, true);
event->SetOwner(target);
bool dummy;
target->DispatchEvent(event, &dummy);
return true;
}
struct MOZ_STACK_CLASS TabParent::AutoUseNewTab MOZ_FINAL
{
public:
AutoUseNewTab(TabParent* aNewTab, bool* aWindowIsNew, nsCString* aURLToLoad)
: mNewTab(aNewTab), mWindowIsNew(aWindowIsNew), mURLToLoad(aURLToLoad)
{
MOZ_ASSERT(!TabParent::sNextTabParent);
MOZ_ASSERT(!aNewTab->mCreatingWindow);
TabParent::sNextTabParent = aNewTab;
aNewTab->mCreatingWindow = true;
aNewTab->mDelayedURL.Truncate();
}
~AutoUseNewTab()
{
mNewTab->mCreatingWindow = false;
*mURLToLoad = mNewTab->mDelayedURL;
if (TabParent::sNextTabParent) {
MOZ_ASSERT(TabParent::sNextTabParent == mNewTab);
TabParent::sNextTabParent = nullptr;
*mWindowIsNew = false;
}
}
private:
TabParent* mNewTab;
bool* mWindowIsNew;
nsCString* mURLToLoad;
};
static already_AddRefed<nsIDOMWindow>
FindMostRecentOpenWindow()
{
nsCOMPtr<nsIWindowMediator> windowMediator =
do_GetService(NS_WINDOWMEDIATOR_CONTRACTID);
nsCOMPtr<nsISimpleEnumerator> windowEnumerator;
windowMediator->GetEnumerator(MOZ_UTF16("navigator:browser"),
getter_AddRefs(windowEnumerator));
nsCOMPtr<nsIDOMWindow> latest;
bool hasMore = false;
MOZ_ALWAYS_TRUE(NS_SUCCEEDED(windowEnumerator->HasMoreElements(&hasMore)));
while (hasMore) {
nsCOMPtr<nsISupports> item;
MOZ_ALWAYS_TRUE(NS_SUCCEEDED(windowEnumerator->GetNext(getter_AddRefs(item))));
nsCOMPtr<nsIDOMWindow> window = do_QueryInterface(item);
bool isClosed;
if (window && NS_SUCCEEDED(window->GetClosed(&isClosed)) && !isClosed) {
latest = window;
}
MOZ_ALWAYS_TRUE(NS_SUCCEEDED(windowEnumerator->HasMoreElements(&hasMore)));
}
return latest.forget();
}
bool
TabParent::RecvCreateWindow(PBrowserParent* aNewTab,
const uint32_t& aChromeFlags,
const bool& aCalledFromJS,
const bool& aPositionSpecified,
const bool& aSizeSpecified,
const nsString& aURI,
const nsString& aName,
const nsString& aFeatures,
const nsString& aBaseURI,
bool* aWindowIsNew,
InfallibleTArray<FrameScriptInfo>* aFrameScripts,
nsCString* aURLToLoad)
{
// We always expect to open a new window here. If we don't, it's an error.
*aWindowIsNew = true;
if (IsBrowserOrApp()) {
return false;
}
nsresult rv;
nsCOMPtr<nsPIWindowWatcher> pwwatch =
do_GetService(NS_WINDOWWATCHER_CONTRACTID, &rv);
NS_ENSURE_SUCCESS(rv, false);
TabParent* newTab = TabParent::GetFrom(aNewTab);
nsCOMPtr<nsIContent> frame(do_QueryInterface(mFrameElement));
nsCOMPtr<nsIDOMWindow> parent;
if (frame) {
parent = do_QueryInterface(frame->OwnerDoc()->GetWindow());
// If our chrome window is in the process of closing, don't try to open a
// new tab in it.
if (parent) {
bool isClosed;
if (NS_SUCCEEDED(parent->GetClosed(&isClosed)) && isClosed) {
parent = nullptr;
}
}
}
nsCOMPtr<nsIBrowserDOMWindow> browserDOMWin = mBrowserDOMWindow;
// If we haven't found a chrome window to open in, just use the most recently
// opened one.
if (!parent) {
parent = FindMostRecentOpenWindow();
if (!parent) {
return false;
}
nsCOMPtr<nsIDOMChromeWindow> rootChromeWin = do_QueryInterface(parent);
if (rootChromeWin) {
rootChromeWin->GetBrowserDOMWindow(getter_AddRefs(browserDOMWin));
}
}
int32_t openLocation =
nsWindowWatcher::GetWindowOpenLocation(parent, aChromeFlags, aCalledFromJS,
aPositionSpecified, aSizeSpecified);
MOZ_ASSERT(openLocation == nsIBrowserDOMWindow::OPEN_NEWTAB ||
openLocation == nsIBrowserDOMWindow::OPEN_NEWWINDOW);
// Opening new tabs is the easy case...
if (openLocation == nsIBrowserDOMWindow::OPEN_NEWTAB) {
NS_ENSURE_TRUE(browserDOMWin, false);
bool isPrivate;
nsCOMPtr<nsILoadContext> loadContext = GetLoadContext();
loadContext->GetUsePrivateBrowsing(&isPrivate);
nsCOMPtr<nsIOpenURIInFrameParams> params = new nsOpenURIInFrameParams();
params->SetReferrer(aBaseURI);
params->SetIsPrivate(isPrivate);
AutoUseNewTab aunt(newTab, aWindowIsNew, aURLToLoad);
nsCOMPtr<nsIFrameLoaderOwner> frameLoaderOwner;
browserDOMWin->OpenURIInFrame(nullptr, params,
openLocation,
nsIBrowserDOMWindow::OPEN_NEW,
getter_AddRefs(frameLoaderOwner));
if (!frameLoaderOwner) {
*aWindowIsNew = false;
}
aFrameScripts->SwapElements(newTab->mDelayedFrameScripts);
return true;
}
// WindowWatcher is going to expect a valid URI to open a window
// to. If it can't find one, it's going to attempt to figure one
// out on its own, which is problematic because it can't access
// the document for the remote browser we're opening. Luckily,
// TabChild has sent us a baseURI with which we can ensure that
// the URI we pass to WindowWatcher is valid.
nsCOMPtr<nsIURI> baseURI;
rv = NS_NewURI(getter_AddRefs(baseURI), aBaseURI);
NS_ENSURE_SUCCESS(rv, false);
nsCOMPtr<nsIURI> finalURI;
rv = NS_NewURI(getter_AddRefs(finalURI), NS_ConvertUTF16toUTF8(aURI).get(), baseURI);
NS_ENSURE_SUCCESS(rv, false);
nsAutoCString finalURIString;
finalURI->GetSpec(finalURIString);
nsCOMPtr<nsIDOMWindow> window;
AutoUseNewTab aunt(newTab, aWindowIsNew, aURLToLoad);
rv = pwwatch->OpenWindow2(parent, finalURIString.get(),
NS_ConvertUTF16toUTF8(aName).get(),
NS_ConvertUTF16toUTF8(aFeatures).get(), aCalledFromJS,
false, false, this, nullptr, getter_AddRefs(window));
NS_ENSURE_SUCCESS(rv, false);
nsCOMPtr<nsPIDOMWindow> pwindow = do_QueryInterface(window);
NS_ENSURE_TRUE(pwindow, false);
nsCOMPtr<nsIDocShell> windowDocShell = pwindow->GetDocShell();
NS_ENSURE_TRUE(windowDocShell, false);
nsCOMPtr<nsIDocShellTreeOwner> treeOwner;
windowDocShell->GetTreeOwner(getter_AddRefs(treeOwner));
nsCOMPtr<nsIXULWindow> xulWin = do_GetInterface(treeOwner);
NS_ENSURE_TRUE(xulWin, false);
nsCOMPtr<nsIXULBrowserWindow> xulBrowserWin;
xulWin->GetXULBrowserWindow(getter_AddRefs(xulBrowserWin));
NS_ENSURE_TRUE(xulBrowserWin, false);
nsCOMPtr<nsITabParent> newRemoteTab;
rv = xulBrowserWin->ForceInitialBrowserRemote(getter_AddRefs(newRemoteTab));
NS_ENSURE_SUCCESS(rv, false);
MOZ_ASSERT(TabParent::GetFrom(newRemoteTab) == newTab);
aFrameScripts->SwapElements(newTab->mDelayedFrameScripts);
return true;
}
TabParent* TabParent::sNextTabParent;
/* static */ TabParent*
TabParent::GetNextTabParent()
{
TabParent* result = sNextTabParent;
sNextTabParent = nullptr;
return result;
}
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);
}
bool
TabParent::InitBrowserConfiguration(nsIURI* aURI,
BrowserConfiguration& aConfiguration)
{
// Get the list of ServiceWorkerRegistation for this origin.
nsRefPtr<ServiceWorkerRegistrar> swr = ServiceWorkerRegistrar::Get();
MOZ_ASSERT(swr);
swr->GetRegistrations(aConfiguration.serviceWorkerRegistrations());
return true;
}
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;
}
if (!mShown) {
NS_WARNING(nsPrintfCString("TabParent::LoadURL(%s) called before "
"Show(). Ignoring LoadURL.\n",
spec.get()).get());
return;
}
uint32_t appId = OwnOrContainingAppId();
if (mSendOfflineStatus && NS_IsAppOffline(appId)) {
// If the app is offline in the parent process
// pass that state to the child process as well
unused << SendAppOfflineStatus(appId, true);
}
mSendOfflineStatus = false;
// This object contains the configuration for this new app.
BrowserConfiguration configuration;
if (NS_WARN_IF(!InitBrowserConfiguration(aURI, configuration))) {
return;
}
unused << SendLoadURL(spec, configuration);
// If this app is a packaged app then we can speed startup by sending over
// the file descriptor for the "application.zip" file that it will
// invariably request. Only do this once.
if (!mAppPackageFileDescriptorSent) {
mAppPackageFileDescriptorSent = true;
nsCOMPtr<mozIApplication> app = GetOwnOrContainingApp();
if (app) {
nsString manifestURL;
nsresult rv = app->GetManifestURL(manifestURL);
NS_ENSURE_SUCCESS_VOID(rv);
if (StringBeginsWith(manifestURL, NS_LITERAL_STRING("app:"))) {
nsString basePath;
rv = app->GetBasePath(basePath);
NS_ENSURE_SUCCESS_VOID(rv);
nsString appId;
rv = app->GetId(appId);
NS_ENSURE_SUCCESS_VOID(rv);
nsCOMPtr<nsIFile> packageFile;
rv = NS_NewLocalFile(basePath, false,
getter_AddRefs(packageFile));
NS_ENSURE_SUCCESS_VOID(rv);
rv = packageFile->Append(appId);
NS_ENSURE_SUCCESS_VOID(rv);
rv = packageFile->Append(NS_LITERAL_STRING("application.zip"));
NS_ENSURE_SUCCESS_VOID(rv);
nsString path;
rv = packageFile->GetPath(path);
NS_ENSURE_SUCCESS_VOID(rv);
nsRefPtr<OpenFileAndSendFDRunnable> openFileRunnable =
new OpenFileAndSendFDRunnable(path, this);
openFileRunnable->Dispatch();
}
}
}
}
void
TabParent::Show(const nsIntSize& size, bool aParentIsActive)
{
// sigh
mShown = true;
mDimensions = size;
if (mIsDestroyed) {
return;
}
TextureFactoryIdentifier textureFactoryIdentifier;
uint64_t layersId = 0;
bool success = false;
RenderFrameParent* renderFrame = nullptr;
// 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());
if (IsInitedByParent()) {
nsRefPtr<nsFrameLoader> frameLoader = GetFrameLoader();
if (frameLoader) {
renderFrame =
new RenderFrameParent(frameLoader,
&textureFactoryIdentifier,
&layersId,
&success);
MOZ_ASSERT(success);
AddTabParentToTable(layersId, this);
unused << SendPRenderFrameConstructor(renderFrame);
}
}
TryCacheDPIAndScale();
ShowInfo info(EmptyString(), false, false, mDPI, mDefaultScale.scale);
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);
info = ShowInfo(name, allowFullscreen, isPrivate, mDPI, mDefaultScale.scale);
}
unused << SendShow(size, info, textureFactoryIdentifier,
layersId, renderFrame, aParentIsActive);
}
bool
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!");
nsCOMPtr<nsIWidget> widget = GetWidget();
NS_ENSURE_TRUE(mFrameElement, true);
nsCOMPtr<nsIDocShell> docShell = mFrameElement->OwnerDoc()->GetDocShell();
NS_ENSURE_TRUE(docShell, true);
nsCOMPtr<nsIDocShellTreeOwner> treeOwner;
docShell->GetTreeOwner(getter_AddRefs(treeOwner));
nsCOMPtr<nsIBaseWindow> treeOwnerAsWin = do_QueryInterface(treeOwner);
NS_ENSURE_TRUE(treeOwnerAsWin, true);
if (aFlags & nsIEmbeddingSiteWindow::DIM_FLAGS_POSITION &&
aFlags & nsIEmbeddingSiteWindow::DIM_FLAGS_SIZE_OUTER) {
treeOwnerAsWin->SetPositionAndSize(aX, aY, aCx, aCy, true);
return true;
}
if (aFlags & nsIEmbeddingSiteWindow::DIM_FLAGS_POSITION) {
treeOwnerAsWin->SetPosition(aX, aY);
return true;
}
if (aFlags & nsIEmbeddingSiteWindow::DIM_FLAGS_SIZE_OUTER) {
treeOwnerAsWin->SetSize(aCx, aCy, true);
return true;
}
MOZ_ASSERT(false, "Unknown flags!");
return false;
}
void
TabParent::UpdateDimensions(const nsIntRect& rect, const nsIntSize& size,
const nsIntPoint& aChromeDisp)
{
if (mIsDestroyed) {
return;
}
hal::ScreenConfiguration config;
hal::GetCurrentScreenConfiguration(&config);
ScreenOrientation orientation = config.orientation();
if (!mUpdatedDimensions || mOrientation != orientation ||
mDimensions != size || !mRect.IsEqualEdges(rect)) {
mUpdatedDimensions = true;
mRect = rect;
mDimensions = size;
mOrientation = orientation;
unused << SendUpdateDimensions(mRect, mDimensions, mOrientation, aChromeDisp);
}
}
void
TabParent::UpdateFrame(const FrameMetrics& aFrameMetrics)
{
if (!mIsDestroyed) {
unused << SendUpdateFrame(aFrameMetrics);
}
}
void
TabParent::UIResolutionChanged()
{
if (!mIsDestroyed) {
// TryCacheDPIAndScale()'s cache is keyed off of
// mDPI being greater than 0, so this invalidates it.
mDPI = -1;
unused << SendUIResolutionChanged();
}
}
void
TabParent::AcknowledgeScrollUpdate(const ViewID& aScrollId, const uint32_t& aScrollGeneration)
{
if (!mIsDestroyed) {
unused << SendAcknowledgeScrollUpdate(aScrollId, aScrollGeneration);
}
}
void TabParent::HandleDoubleTap(const CSSPoint& aPoint,
Modifiers aModifiers,
const ScrollableLayerGuid &aGuid)
{
if (!mIsDestroyed) {
unused << SendHandleDoubleTap(aPoint, aModifiers, aGuid);
}
}
void TabParent::HandleSingleTap(const CSSPoint& aPoint,
Modifiers aModifiers,
const ScrollableLayerGuid &aGuid)
{
if (!mIsDestroyed) {
unused << SendHandleSingleTap(aPoint, aModifiers, aGuid);
}
}
void TabParent::HandleLongTap(const CSSPoint& aPoint,
Modifiers aModifiers,
const ScrollableLayerGuid &aGuid,
uint64_t aInputBlockId)
{
if (!mIsDestroyed) {
unused << SendHandleLongTap(aPoint, aModifiers, aGuid, aInputBlockId);
}
}
void TabParent::HandleLongTapUp(const CSSPoint& aPoint,
Modifiers aModifiers,
const ScrollableLayerGuid &aGuid)
{
if (!mIsDestroyed) {
unused << SendHandleLongTapUp(aPoint, aModifiers, aGuid);
}
}
void TabParent::NotifyAPZStateChange(ViewID aViewId,
APZStateChange aChange,
int aArg)
{
if (!mIsDestroyed) {
unused << SendNotifyAPZStateChange(aViewId, aChange, aArg);
}
}
void
TabParent::Activate()
{
if (!mIsDestroyed) {
unused << SendActivate();
}
}
void
TabParent::Deactivate()
{
if (!mIsDestroyed) {
unused << SendDeactivate();
}
}
NS_IMETHODIMP
TabParent::Init(nsIDOMWindow *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;
}
PDocumentRendererParent*
TabParent::AllocPDocumentRendererParent(const nsRect& documentRect,
const gfx::Matrix& transform,
const nsString& bgcolor,
const uint32_t& renderFlags,
const bool& flushLayout,
const nsIntSize& renderSize)
{
return new DocumentRendererParent();
}
bool
TabParent::DeallocPDocumentRendererParent(PDocumentRendererParent* actor)
{
delete actor;
return true;
}
PContentPermissionRequestParent*
TabParent::AllocPContentPermissionRequestParent(const InfallibleTArray<PermissionRequest>& aRequests,
const IPC::Principal& aPrincipal)
{
return nsContentPermissionUtils::CreateContentPermissionRequestParent(aRequests, mFrameElement, aPrincipal);
}
bool
TabParent::DeallocPContentPermissionRequestParent(PContentPermissionRequestParent* actor)
{
delete actor;
return true;
}
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()) {
if (NS_WARN_IF(!AssertAppPrincipal(manager->AsContentParent(),
principal))) {
return nullptr;
}
} else {
MOZ_CRASH("Figure out security checks for bridged content!");
}
nsCOMPtr<nsPIDOMWindow> window;
nsCOMPtr<nsIContent> frame = do_QueryInterface(mFrameElement);
if (frame) {
MOZ_ASSERT(frame->OwnerDoc());
window = do_QueryInterface(frame->OwnerDoc()->GetWindow());
}
if (!window) {
return nullptr;
}
return
mozilla::dom::indexedDB::AllocPIndexedDBPermissionRequestParent(window,
principal);
}
bool
TabParent::RecvPIndexedDBPermissionRequestConstructor(
PIndexedDBPermissionRequestParent* aActor,
const Principal& aPrincipal)
{
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(aActor);
return
mozilla::dom::indexedDB::RecvPIndexedDBPermissionRequestConstructor(aActor);
}
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::SendKeyEvent(const nsAString& aType,
int32_t aKeyCode,
int32_t aCharCode,
int32_t aModifiers,
bool aPreventDefault)
{
if (!mIsDestroyed) {
unused << PBrowserParent::SendKeyEvent(nsString(aType), aKeyCode, aCharCode,
aModifiers, aPreventDefault);
}
}
bool TabParent::SendRealMouseEvent(WidgetMouseEvent& event)
{
if (mIsDestroyed) {
return false;
}
event.refPoint += GetChildProcessOffset();
if (event.message == NS_MOUSE_MOVE) {
return SendRealMouseMoveEvent(event);
}
return SendRealMouseButtonEvent(event);
}
LayoutDeviceToCSSScale
TabParent::GetLayoutDeviceToCSSScale()
{
nsCOMPtr<nsIContent> content = do_QueryInterface(mFrameElement);
nsIDocument* doc = (content ? content->OwnerDoc() : nullptr);
nsIPresShell* shell = (doc ? doc->GetShell() : nullptr);
nsPresContext* ctx = (shell ? shell->GetPresContext() : nullptr);
return LayoutDeviceToCSSScale(ctx
? (float)ctx->AppUnitsPerDevPixel() / nsPresContext::AppUnitsPerCSSPixel()
: 0.0f);
}
CSSPoint TabParent::AdjustTapToChildWidget(const CSSPoint& aPoint)
{
return aPoint + (LayoutDevicePoint(mChildProcessOffsetAtTouchStart) * GetLayoutDeviceToCSSScale());
}
bool TabParent::SendHandleSingleTap(const CSSPoint& aPoint, const Modifiers& aModifiers, const ScrollableLayerGuid& aGuid)
{
if (mIsDestroyed) {
return false;
}
return PBrowserParent::SendHandleSingleTap(AdjustTapToChildWidget(aPoint), aModifiers, aGuid);
}
bool TabParent::SendHandleLongTap(const CSSPoint& aPoint, const Modifiers& aModifiers, const ScrollableLayerGuid& aGuid, const uint64_t& aInputBlockId)
{
if (mIsDestroyed) {
return false;
}
return PBrowserParent::SendHandleLongTap(AdjustTapToChildWidget(aPoint), aModifiers, aGuid, aInputBlockId);
}
bool TabParent::SendHandleLongTapUp(const CSSPoint& aPoint, const Modifiers& aModifiers, const ScrollableLayerGuid& aGuid)
{
if (mIsDestroyed) {
return false;
}
return PBrowserParent::SendHandleLongTapUp(AdjustTapToChildWidget(aPoint), aModifiers, aGuid);
}
bool TabParent::SendHandleDoubleTap(const CSSPoint& aPoint, const Modifiers& aModifiers, const ScrollableLayerGuid& aGuid)
{
if (mIsDestroyed) {
return false;
}
return PBrowserParent::SendHandleDoubleTap(AdjustTapToChildWidget(aPoint), aModifiers, aGuid);
}
bool TabParent::SendMouseWheelEvent(WidgetWheelEvent& event)
{
if (mIsDestroyed) {
return false;
}
ScrollableLayerGuid guid;
uint64_t blockId;
ApzAwareEventRoutingToChild(&guid, &blockId);
event.refPoint += GetChildProcessOffset();
return PBrowserParent::SendMouseWheelEvent(event, guid, blockId);
}
static void
DoCommandCallback(mozilla::Command aCommand, void* aData)
{
static_cast<InfallibleTArray<mozilla::CommandInt>*>(aData)->AppendElement(aCommand);
}
bool
TabParent::RecvRequestNativeKeyBindings(const WidgetKeyboardEvent& aEvent,
MaybeNativeKeyBinding* aBindings)
{
AutoInfallibleTArray<mozilla::CommandInt, 4> singleLine;
AutoInfallibleTArray<mozilla::CommandInt, 4> multiLine;
AutoInfallibleTArray<mozilla::CommandInt, 4> richText;
*aBindings = mozilla::void_t();
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget) {
return true;
}
WidgetKeyboardEvent localEvent(aEvent);
if (NS_FAILED(widget->AttachNativeKeyEvent(localEvent))) {
return true;
}
widget->ExecuteNativeKeyBinding(nsIWidget::NativeKeyBindingsForSingleLineEditor,
localEvent, DoCommandCallback, &singleLine);
widget->ExecuteNativeKeyBinding(nsIWidget::NativeKeyBindingsForMultiLineEditor,
localEvent, DoCommandCallback, &multiLine);
widget->ExecuteNativeKeyBinding(nsIWidget::NativeKeyBindingsForRichTextEditor,
localEvent, DoCommandCallback, &richText);
if (!singleLine.IsEmpty() || !multiLine.IsEmpty() || !richText.IsEmpty()) {
*aBindings = NativeKeyBinding(singleLine, multiLine, richText);
}
return true;
}
bool TabParent::SendRealKeyEvent(WidgetKeyboardEvent& event)
{
if (mIsDestroyed) {
return false;
}
event.refPoint += GetChildProcessOffset();
MaybeNativeKeyBinding bindings;
bindings = void_t();
if (event.message == NS_KEY_PRESS) {
nsCOMPtr<nsIWidget> widget = GetWidget();
AutoInfallibleTArray<mozilla::CommandInt, 4> singleLine;
AutoInfallibleTArray<mozilla::CommandInt, 4> multiLine;
AutoInfallibleTArray<mozilla::CommandInt, 4> richText;
widget->ExecuteNativeKeyBinding(nsIWidget::NativeKeyBindingsForSingleLineEditor,
event, DoCommandCallback, &singleLine);
widget->ExecuteNativeKeyBinding(nsIWidget::NativeKeyBindingsForMultiLineEditor,
event, DoCommandCallback, &multiLine);
widget->ExecuteNativeKeyBinding(nsIWidget::NativeKeyBindingsForRichTextEditor,
event, DoCommandCallback, &richText);
if (!singleLine.IsEmpty() || !multiLine.IsEmpty() || !richText.IsEmpty()) {
bindings = NativeKeyBinding(singleLine, multiLine, richText);
}
}
return PBrowserParent::SendRealKeyEvent(event, bindings);
}
bool TabParent::SendRealTouchEvent(WidgetTouchEvent& event)
{
if (mIsDestroyed) {
return false;
}
if (event.message == NS_TOUCH_START) {
// Adjust the widget coordinates to be relative to our frame.
nsRefPtr<nsFrameLoader> frameLoader = GetFrameLoader();
if (!frameLoader) {
// No frame anymore?
sEventCapturer = nullptr;
return false;
}
mChildProcessOffsetAtTouchStart = GetChildProcessOffset();
MOZ_ASSERT((!sEventCapturer && mEventCaptureDepth == 0) ||
(sEventCapturer == this && mEventCaptureDepth > 0));
// We want to capture all remaining touch events in this series
// for fast-path dispatch.
sEventCapturer = this;
++mEventCaptureDepth;
}
// 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 (event.message == NS_TOUCH_END || event.message == NS_TOUCH_CANCEL) {
for (int i = event.touches.Length() - 1; i >= 0; i--) {
if (!event.touches[i]->mChanged) {
event.touches.RemoveElementAt(i);
}
}
}
ScrollableLayerGuid guid;
uint64_t blockId;
ApzAwareEventRoutingToChild(&guid, &blockId);
if (mIsDestroyed) {
return false;
}
LayoutDeviceIntPoint offset = GetChildProcessOffset();
for (uint32_t i = 0; i < event.touches.Length(); i++) {
event.touches[i]->mRefPoint += offset;
}
return (event.message == NS_TOUCH_MOVE) ?
PBrowserParent::SendRealTouchMoveEvent(event, guid, blockId) :
PBrowserParent::SendRealTouchEvent(event, guid, blockId);
}
/*static*/ TabParent*
TabParent::GetEventCapturer()
{
return sEventCapturer;
}
bool
TabParent::TryCapture(const WidgetGUIEvent& aEvent)
{
MOZ_ASSERT(sEventCapturer == this && mEventCaptureDepth > 0);
if (aEvent.mClass != eTouchEventClass) {
// Only capture of touch events is implemented, for now.
return false;
}
WidgetTouchEvent event(*aEvent.AsTouchEvent());
bool isTouchPointUp = (event.message == NS_TOUCH_END ||
event.message == NS_TOUCH_CANCEL);
if (event.message == NS_TOUCH_START || isTouchPointUp) {
// Let the DOM see touch start/end events so that its touch-point
// state stays consistent.
if (isTouchPointUp && 0 == --mEventCaptureDepth) {
// All event series are un-captured, don't try to catch any
// more.
sEventCapturer = nullptr;
}
return false;
}
SendRealTouchEvent(event);
return true;
}
bool
TabParent::RecvSyncMessage(const nsString& aMessage,
const ClonedMessageData& aData,
InfallibleTArray<CpowEntry>&& aCpows,
const IPC::Principal& aPrincipal,
InfallibleTArray<nsString>* aJSONRetVal)
{
// FIXME Permission check for TabParent in Content process
nsIPrincipal* principal = aPrincipal;
if (Manager()->IsContentParent()) {
ContentParent* parent = Manager()->AsContentParent();
if (!ContentParent::IgnoreIPCPrincipal() &&
parent && principal && !AssertAppPrincipal(parent, principal)) {
return false;
}
}
StructuredCloneData cloneData = ipc::UnpackClonedMessageDataForParent(aData);
CrossProcessCpowHolder cpows(Manager(), aCpows);
return ReceiveMessage(aMessage, true, &cloneData, &cpows, aPrincipal, aJSONRetVal);
}
bool
TabParent::RecvRpcMessage(const nsString& aMessage,
const ClonedMessageData& aData,
InfallibleTArray<CpowEntry>&& aCpows,
const IPC::Principal& aPrincipal,
InfallibleTArray<nsString>* aJSONRetVal)
{
// FIXME Permission check for TabParent in Content process
nsIPrincipal* principal = aPrincipal;
if (Manager()->IsContentParent()) {
ContentParent* parent = Manager()->AsContentParent();
if (!ContentParent::IgnoreIPCPrincipal() &&
parent && principal && !AssertAppPrincipal(parent, principal)) {
return false;
}
}
StructuredCloneData cloneData = ipc::UnpackClonedMessageDataForParent(aData);
CrossProcessCpowHolder cpows(Manager(), aCpows);
return ReceiveMessage(aMessage, true, &cloneData, &cpows, aPrincipal, aJSONRetVal);
}
bool
TabParent::RecvAsyncMessage(const nsString& aMessage,
const ClonedMessageData& aData,
InfallibleTArray<CpowEntry>&& aCpows,
const IPC::Principal& aPrincipal)
{
// FIXME Permission check for TabParent in Content process
nsIPrincipal* principal = aPrincipal;
if (Manager()->IsContentParent()) {
ContentParent* parent = Manager()->AsContentParent();
if (!ContentParent::IgnoreIPCPrincipal() &&
parent && principal && !AssertAppPrincipal(parent, principal)) {
return false;
}
}
StructuredCloneData cloneData = ipc::UnpackClonedMessageDataForParent(aData);
CrossProcessCpowHolder cpows(Manager(), aCpows);
return ReceiveMessage(aMessage, false, &cloneData, &cpows, aPrincipal, nullptr);
}
bool
TabParent::RecvSetCursor(const uint32_t& aCursor, const bool& aForce)
{
nsCOMPtr<nsIWidget> widget = GetWidget();
if (widget) {
if (aForce) {
widget->ClearCachedCursor();
}
widget->SetCursor((nsCursor) aCursor);
}
return true;
}
bool
TabParent::RecvSetBackgroundColor(const nscolor& aColor)
{
if (RenderFrameParent* frame = GetRenderFrame()) {
frame->SetBackgroundColor(aColor);
}
return true;
}
nsIXULBrowserWindow*
TabParent::GetXULBrowserWindow()
{
nsCOMPtr<nsIContent> frame = do_QueryInterface(mFrameElement);
if (!frame) {
return nullptr;
}
nsCOMPtr<nsIDocShell> docShell = frame->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;
}
bool
TabParent::RecvSetStatus(const uint32_t& aType, const nsString& aStatus)
{
nsCOMPtr<nsIXULBrowserWindow> xulBrowserWindow = GetXULBrowserWindow();
if (!xulBrowserWindow) {
return true;
}
switch (aType) {
case nsIWebBrowserChrome::STATUS_SCRIPT:
xulBrowserWindow->SetJSStatus(aStatus);
break;
case nsIWebBrowserChrome::STATUS_LINK:
xulBrowserWindow->SetOverLink(aStatus, nullptr);
break;
}
return true;
}
bool
TabParent::RecvShowTooltip(const uint32_t& aX, const uint32_t& aY, const nsString& aTooltip)
{
nsCOMPtr<nsIXULBrowserWindow> xulBrowserWindow = GetXULBrowserWindow();
if (!xulBrowserWindow) {
return true;
}
xulBrowserWindow->ShowTooltip(aX, aY, aTooltip);
return true;
}
bool
TabParent::RecvHideTooltip()
{
nsCOMPtr<nsIXULBrowserWindow> xulBrowserWindow = GetXULBrowserWindow();
if (!xulBrowserWindow) {
return true;
}
xulBrowserWindow->HideTooltip();
return true;
}
bool
TabParent::RecvNotifyIMEFocus(const bool& aFocus,
nsIMEUpdatePreference* aPreference,
uint32_t* aSeqno)
{
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget) {
*aPreference = nsIMEUpdatePreference();
return true;
}
*aSeqno = mIMESeqno;
mIMETabParent = aFocus ? this : nullptr;
mIMESelectionAnchor = 0;
mIMESelectionFocus = 0;
widget->NotifyIME(IMENotification(aFocus ? NOTIFY_IME_OF_FOCUS :
NOTIFY_IME_OF_BLUR));
if (aFocus) {
*aPreference = widget->GetIMEUpdatePreference();
} else {
mIMECacheText.Truncate(0);
}
return true;
}
bool
TabParent::RecvNotifyIMETextChange(const uint32_t& aStart,
const uint32_t& aEnd,
const uint32_t& aNewEnd,
const bool& aCausedByComposition)
{
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget)
return true;
#ifdef DEBUG
nsIMEUpdatePreference updatePreference = widget->GetIMEUpdatePreference();
NS_ASSERTION(updatePreference.WantTextChange(),
"Don't call Send/RecvNotifyIMETextChange without NOTIFY_TEXT_CHANGE");
MOZ_ASSERT(!aCausedByComposition ||
updatePreference.WantChangesCausedByComposition(),
"The widget doesn't want text change notification caused by composition");
#endif
IMENotification notification(NOTIFY_IME_OF_TEXT_CHANGE);
notification.mTextChangeData.mStartOffset = aStart;
notification.mTextChangeData.mOldEndOffset = aEnd;
notification.mTextChangeData.mNewEndOffset = aNewEnd;
notification.mTextChangeData.mCausedByComposition = aCausedByComposition;
widget->NotifyIME(notification);
return true;
}
bool
TabParent::RecvNotifyIMESelectedCompositionRect(
const uint32_t& aOffset,
InfallibleTArray<LayoutDeviceIntRect>&& aRects,
const uint32_t& aCaretOffset,
const LayoutDeviceIntRect& aCaretRect)
{
// add rect to cache for another query
mIMECompositionRectOffset = aOffset;
mIMECompositionRects = aRects;
mIMECaretOffset = aCaretOffset;
mIMECaretRect = aCaretRect;
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget) {
return true;
}
widget->NotifyIME(IMENotification(NOTIFY_IME_OF_COMPOSITION_UPDATE));
return true;
}
bool
TabParent::RecvNotifyIMESelection(const uint32_t& aSeqno,
const uint32_t& aAnchor,
const uint32_t& aFocus,
const mozilla::WritingMode& aWritingMode,
const bool& aCausedByComposition)
{
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget)
return true;
if (aSeqno == mIMESeqno) {
mIMESelectionAnchor = aAnchor;
mIMESelectionFocus = aFocus;
mWritingMode = aWritingMode;
const nsIMEUpdatePreference updatePreference =
widget->GetIMEUpdatePreference();
if (updatePreference.WantSelectionChange() &&
(updatePreference.WantChangesCausedByComposition() ||
!aCausedByComposition)) {
IMENotification notification(NOTIFY_IME_OF_SELECTION_CHANGE);
notification.mSelectionChangeData.mCausedByComposition =
aCausedByComposition;
widget->NotifyIME(notification);
}
}
return true;
}
bool
TabParent::RecvNotifyIMETextHint(const nsString& aText)
{
// Replace our cache with new text
mIMECacheText = aText;
return true;
}
bool
TabParent::RecvNotifyIMEMouseButtonEvent(
const IMENotification& aIMENotification,
bool* aConsumedByIME)
{
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget) {
*aConsumedByIME = false;
return true;
}
nsresult rv = widget->NotifyIME(aIMENotification);
*aConsumedByIME = rv == NS_SUCCESS_EVENT_CONSUMED;
return true;
}
bool
TabParent::RecvNotifyIMEEditorRect(const LayoutDeviceIntRect& aRect)
{
mIMEEditorRect = aRect;
return true;
}
bool
TabParent::RecvNotifyIMEPositionChange(
const LayoutDeviceIntRect& aEditorRect,
InfallibleTArray<LayoutDeviceIntRect>&& aCompositionRects,
const LayoutDeviceIntRect& aCaretRect)
{
mIMEEditorRect = aEditorRect;
mIMECompositionRects = aCompositionRects;
mIMECaretRect = aCaretRect;
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget) {
return true;
}
const nsIMEUpdatePreference updatePreference =
widget->GetIMEUpdatePreference();
if (updatePreference.WantPositionChanged()) {
widget->NotifyIME(IMENotification(NOTIFY_IME_OF_POSITION_CHANGE));
}
return true;
}
bool
TabParent::RecvRequestFocus(const bool& aCanRaise)
{
nsCOMPtr<nsIFocusManager> fm = nsFocusManager::GetFocusManager();
if (!fm) {
return true;
}
nsCOMPtr<nsIContent> content = do_QueryInterface(mFrameElement);
if (!content || !content->OwnerDoc()) {
return true;
}
uint32_t flags = nsIFocusManager::FLAG_NOSCROLL;
if (aCanRaise)
flags |= nsIFocusManager::FLAG_RAISE;
nsCOMPtr<nsIDOMElement> node = do_QueryInterface(mFrameElement);
fm->SetFocus(node, flags);
return true;
}
bool
TabParent::RecvEnableDisableCommands(const nsString& aAction,
nsTArray<nsCString>&& aEnabledCommands,
nsTArray<nsCString>&& aDisabledCommands)
{
nsCOMPtr<nsIRemoteBrowser> remoteBrowser = do_QueryInterface(mFrameElement);
if (remoteBrowser) {
nsAutoArrayPtr<const char*> enabledCommands, disabledCommands;
if (aEnabledCommands.Length()) {
enabledCommands = new const char* [aEnabledCommands.Length()];
for (uint32_t c = 0; c < aEnabledCommands.Length(); c++) {
enabledCommands[c] = aEnabledCommands[c].get();
}
}
if (aDisabledCommands.Length()) {
disabledCommands = new const char* [aDisabledCommands.Length()];
for (uint32_t c = 0; c < aDisabledCommands.Length(); c++) {
disabledCommands[c] = aDisabledCommands[c].get();
}
}
remoteBrowser->EnableDisableCommands(aAction,
aEnabledCommands.Length(), enabledCommands,
aDisabledCommands.Length(), disabledCommands);
}
return true;
}
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);
nsRefPtr<nsFrameLoader> frameLoader = GetFrameLoader();
if (!frameLoader) {
return offset;
}
nsIFrame* targetFrame = frameLoader->GetPrimaryFrameOfOwningContent();
if (!targetFrame) {
return offset;
}
// Find out how far we're offset from the nearest widget.
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget) {
return offset;
}
nsPoint pt = nsLayoutUtils::GetEventCoordinatesRelativeTo(widget,
LayoutDeviceIntPoint(0, 0),
targetFrame);
return LayoutDeviceIntPoint::FromAppUnitsToNearest(
pt, targetFrame->PresContext()->AppUnitsPerDevPixel());
}
bool
TabParent::RecvReplyKeyEvent(const WidgetKeyboardEvent& event)
{
NS_ENSURE_TRUE(mFrameElement, true);
WidgetKeyboardEvent localEvent(event);
// Set mNoCrossProcessBoundaryForwarding to avoid this event from
// being infinitely redispatched and forwarded to the child again.
localEvent.mFlags.mNoCrossProcessBoundaryForwarding = true;
// Here we convert the WidgetEvent that we received to an nsIDOMEvent
// 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, true);
nsPresContext* presContext = presShell->GetPresContext();
NS_ENSURE_TRUE(presContext, true);
EventDispatcher::Dispatch(mFrameElement, presContext, &localEvent);
return true;
}
bool
TabParent::RecvDispatchAfterKeyboardEvent(const WidgetKeyboardEvent& aEvent)
{
NS_ENSURE_TRUE(mFrameElement, true);
WidgetKeyboardEvent localEvent(aEvent);
localEvent.widget = GetWidget();
nsIDocument* doc = mFrameElement->OwnerDoc();
nsCOMPtr<nsIPresShell> presShell = doc->GetShell();
NS_ENSURE_TRUE(presShell, true);
if (mFrameElement &&
PresShell::BeforeAfterKeyboardEventEnabled() &&
localEvent.message != NS_KEY_PRESS) {
presShell->DispatchAfterKeyboardEvent(mFrameElement, localEvent,
aEvent.mFlags.mDefaultPrevented);
}
return true;
}
/**
* Try to answer query event using cached text.
*
* For NS_QUERY_SELECTED_TEXT, fail if the cache doesn't contain the whole
* selected range. (This shouldn't happen because PuppetWidget should have
* already sent the whole selection.)
*
* For NS_QUERY_TEXT_CONTENT, fail only if the cache doesn't overlap with
* the queried range. Note the difference from above. We use
* this behavior because a normal NS_QUERY_TEXT_CONTENT event is allowed to
* have out-of-bounds offsets, so that widget can request content without
* knowing the exact length of text. It's up to widget to handle cases when
* the returned offset/length are different from the queried offset/length.
*
* For NS_QUERY_TEXT_RECT, fail if cached offset/length aren't equals to input.
* Cocoa widget always queries selected offset, so it works on it.
*
* For NS_QUERY_CARET_RECT, fail if cached offset isn't equals to input
*
* For NS_QUERY_EDITOR_RECT, always success
*/
bool
TabParent::HandleQueryContentEvent(WidgetQueryContentEvent& aEvent)
{
aEvent.mSucceeded = false;
aEvent.mWasAsync = false;
aEvent.mReply.mFocusedWidget = nsCOMPtr<nsIWidget>(GetWidget()).get();
switch (aEvent.message)
{
case NS_QUERY_SELECTED_TEXT:
{
aEvent.mReply.mOffset = std::min(mIMESelectionAnchor, mIMESelectionFocus);
if (mIMESelectionAnchor == mIMESelectionFocus) {
aEvent.mReply.mString.Truncate(0);
} else {
if (mIMESelectionAnchor > mIMECacheText.Length() ||
mIMESelectionFocus > mIMECacheText.Length()) {
break;
}
uint32_t selLen = mIMESelectionAnchor > mIMESelectionFocus ?
mIMESelectionAnchor - mIMESelectionFocus :
mIMESelectionFocus - mIMESelectionAnchor;
aEvent.mReply.mString = Substring(mIMECacheText,
aEvent.mReply.mOffset,
selLen);
}
aEvent.mReply.mReversed = mIMESelectionFocus < mIMESelectionAnchor;
aEvent.mReply.mHasSelection = true;
aEvent.mReply.mWritingMode = mWritingMode;
aEvent.mSucceeded = true;
}
break;
case NS_QUERY_TEXT_CONTENT:
{
uint32_t inputOffset = aEvent.mInput.mOffset,
inputEnd = inputOffset + aEvent.mInput.mLength;
if (inputEnd > mIMECacheText.Length()) {
inputEnd = mIMECacheText.Length();
}
if (inputEnd < inputOffset) {
break;
}
aEvent.mReply.mOffset = inputOffset;
aEvent.mReply.mString = Substring(mIMECacheText,
inputOffset,
inputEnd - inputOffset);
aEvent.mSucceeded = true;
}
break;
case NS_QUERY_TEXT_RECT:
{
if (aEvent.mInput.mOffset < mIMECompositionRectOffset ||
(aEvent.mInput.mOffset + aEvent.mInput.mLength >
mIMECompositionRectOffset + mIMECompositionRects.Length())) {
// XXX
// we doesn't have cache for this request.
break;
}
uint32_t baseOffset = aEvent.mInput.mOffset - mIMECompositionRectOffset;
uint32_t endOffset = baseOffset + aEvent.mInput.mLength;
aEvent.mReply.mRect.SetEmpty();
for (uint32_t i = baseOffset; i < endOffset; i++) {
aEvent.mReply.mRect =
aEvent.mReply.mRect.Union(mIMECompositionRects[i]);
}
aEvent.mReply.mOffset = aEvent.mInput.mOffset;
aEvent.mReply.mRect = aEvent.mReply.mRect - GetChildProcessOffset();
aEvent.mReply.mWritingMode = mWritingMode;
aEvent.mSucceeded = true;
}
break;
case NS_QUERY_CARET_RECT:
{
if (aEvent.mInput.mOffset != mIMECaretOffset) {
break;
}
aEvent.mReply.mOffset = mIMECaretOffset;
aEvent.mReply.mRect = mIMECaretRect - GetChildProcessOffset();
aEvent.mSucceeded = true;
}
break;
case NS_QUERY_EDITOR_RECT:
{
aEvent.mReply.mRect = mIMEEditorRect - GetChildProcessOffset();
aEvent.mSucceeded = true;
}
break;
}
return true;
}
bool
TabParent::SendCompositionEvent(WidgetCompositionEvent& event)
{
if (mIsDestroyed) {
return false;
}
if (event.CausesDOMTextEvent()) {
return SendCompositionChangeEvent(event);
}
mIMEComposing = !event.CausesDOMCompositionEndEvent();
mIMECompositionStart = std::min(mIMESelectionAnchor, mIMESelectionFocus);
if (mIMECompositionEnding) {
mIMEEventCountAfterEnding++;
return true;
}
event.mSeqno = ++mIMESeqno;
return PBrowserParent::SendCompositionEvent(event);
}
/**
* During REQUEST_TO_COMMIT_COMPOSITION or REQUEST_TO_CANCEL_COMPOSITION,
* widget usually sends a NS_COMPOSITION_CHANGE event to finalize or
* clear the composition, respectively
*
* Because the event will not reach content in time, we intercept it
* here and pass the text as the EndIMEComposition return value
*/
bool
TabParent::SendCompositionChangeEvent(WidgetCompositionEvent& event)
{
if (mIMECompositionEnding) {
mIMECompositionText = event.mData;
mIMEEventCountAfterEnding++;
return true;
}
// We must be able to simulate the selection because
// we might not receive selection updates in time
if (!mIMEComposing) {
mIMECompositionStart = std::min(mIMESelectionAnchor, mIMESelectionFocus);
}
mIMESelectionAnchor = mIMESelectionFocus =
mIMECompositionStart + event.mData.Length();
mIMEComposing = !event.CausesDOMCompositionEndEvent();
event.mSeqno = ++mIMESeqno;
return PBrowserParent::SendCompositionEvent(event);
}
bool
TabParent::SendSelectionEvent(WidgetSelectionEvent& event)
{
if (mIsDestroyed) {
return false;
}
mIMESelectionAnchor = event.mOffset + (event.mReversed ? event.mLength : 0);
mIMESelectionFocus = event.mOffset + (!event.mReversed ? event.mLength : 0);
event.mSeqno = ++mIMESeqno;
return PBrowserParent::SendSelectionEvent(event);
}
/*static*/ TabParent*
TabParent::GetFrom(nsFrameLoader* aFrameLoader)
{
if (!aFrameLoader) {
return nullptr;
}
PBrowserParent* remoteBrowser = aFrameLoader->GetRemoteBrowser();
return static_cast<TabParent*>(remoteBrowser);
}
/*static*/ TabParent*
TabParent::GetFrom(nsIFrameLoader* aFrameLoader)
{
if (!aFrameLoader)
return nullptr;
return GetFrom(static_cast<nsFrameLoader*>(aFrameLoader));
}
/*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;
}
nsRefPtr<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()
{
if (ManagedPRenderFrameParent().IsEmpty()) {
return nullptr;
}
return static_cast<RenderFrameParent*>(ManagedPRenderFrameParent()[0]);
}
bool
TabParent::RecvEndIMEComposition(const bool& aCancel,
bool* aNoCompositionEvent,
nsString* aComposition)
{
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget)
return true;
mIMECompositionEnding = true;
mIMEEventCountAfterEnding = 0;
widget->NotifyIME(IMENotification(aCancel ? REQUEST_TO_CANCEL_COMPOSITION :
REQUEST_TO_COMMIT_COMPOSITION));
mIMECompositionEnding = false;
*aNoCompositionEvent = !mIMEEventCountAfterEnding;
*aComposition = mIMECompositionText;
mIMECompositionText.Truncate(0);
return true;
}
bool
TabParent::RecvStartPluginIME(const WidgetKeyboardEvent& aKeyboardEvent,
const int32_t& aPanelX, const int32_t& aPanelY,
nsString* aCommitted)
{
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget) {
return true;
}
widget->StartPluginIME(aKeyboardEvent,
(int32_t&)aPanelX,
(int32_t&)aPanelY,
*aCommitted);
return true;
}
bool
TabParent::RecvSetPluginFocused(const bool& aFocused)
{
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget) {
return true;
}
widget->SetPluginFocused((bool&)aFocused);
return true;
}
bool
TabParent::RecvGetInputContext(int32_t* aIMEEnabled,
int32_t* aIMEOpen,
intptr_t* aNativeIMEContext)
{
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget) {
*aIMEEnabled = IMEState::DISABLED;
*aIMEOpen = IMEState::OPEN_STATE_NOT_SUPPORTED;
*aNativeIMEContext = 0;
return true;
}
InputContext context = widget->GetInputContext();
*aIMEEnabled = static_cast<int32_t>(context.mIMEState.mEnabled);
*aIMEOpen = static_cast<int32_t>(context.mIMEState.mOpen);
*aNativeIMEContext = reinterpret_cast<intptr_t>(context.mNativeIMEContext);
return true;
}
bool
TabParent::RecvSetInputContext(const int32_t& aIMEEnabled,
const int32_t& aIMEOpen,
const nsString& aType,
const nsString& aInputmode,
const nsString& aActionHint,
const int32_t& aCause,
const int32_t& aFocusChange)
{
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget || !AllowContentIME()) {
return true;
}
InputContext oldContext = widget->GetInputContext();
// Ignore if current widget IME setting is not DISABLED and didn't come
// from remote content. Chrome content may have taken over.
if (oldContext.mIMEState.mEnabled != IMEState::DISABLED &&
oldContext.IsOriginMainProcess()) {
return true;
}
// mIMETabParent (which is actually static) tracks which if any TabParent has IMEFocus
// When the input mode is set to anything but IMEState::DISABLED,
// mIMETabParent should be set to this
mIMETabParent =
aIMEEnabled != static_cast<int32_t>(IMEState::DISABLED) ? this : nullptr;
InputContext context;
context.mIMEState.mEnabled = static_cast<IMEState::Enabled>(aIMEEnabled);
context.mIMEState.mOpen = static_cast<IMEState::Open>(aIMEOpen);
context.mHTMLInputType.Assign(aType);
context.mHTMLInputInputmode.Assign(aInputmode);
context.mActionHint.Assign(aActionHint);
context.mOrigin = InputContext::ORIGIN_CONTENT;
InputContextAction action(
static_cast<InputContextAction::Cause>(aCause),
static_cast<InputContextAction::FocusChange>(aFocusChange));
widget->SetInputContext(context, action);
nsCOMPtr<nsIObserverService> observerService = mozilla::services::GetObserverService();
if (!observerService)
return true;
nsAutoString state;
state.AppendInt(aIMEEnabled);
observerService->NotifyObservers(nullptr, "ime-enabled-state-changed", state.get());
return true;
}
bool
TabParent::RecvIsParentWindowMainWidgetVisible(bool* aIsVisible)
{
nsCOMPtr<nsIContent> frame = do_QueryInterface(mFrameElement);
if (!frame)
return true;
nsCOMPtr<nsIDOMWindowUtils> windowUtils =
do_QueryInterface(frame->OwnerDoc()->GetWindow());
nsresult rv = windowUtils->GetIsParentWindowMainWidgetVisible(aIsVisible);
return NS_SUCCEEDED(rv);
}
bool
TabParent::RecvGetDPI(float* aValue)
{
TryCacheDPIAndScale();
MOZ_ASSERT(mDPI > 0,
"Must not ask for DPI before OwnerElement is received!");
*aValue = mDPI;
return true;
}
bool
TabParent::RecvGetDefaultScale(double* aValue)
{
TryCacheDPIAndScale();
MOZ_ASSERT(mDefaultScale.scale > 0,
"Must not ask for scale before OwnerElement is received!");
*aValue = mDefaultScale.scale;
return true;
}
bool
TabParent::RecvGetWidgetNativeData(WindowsHandle* aValue)
{
*aValue = 0;
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));
if (widget) {
*aValue = reinterpret_cast<WindowsHandle>(
widget->GetNativeData(NS_NATIVE_SHAREABLE_WINDOW));
}
}
}
return true;
}
bool
TabParent::ReceiveMessage(const nsString& aMessage,
bool aSync,
const StructuredCloneData* aCloneData,
CpowHolder* aCpows,
nsIPrincipal* aPrincipal,
InfallibleTArray<nsString>* aJSONRetVal)
{
nsRefPtr<nsFrameLoader> frameLoader = GetFrameLoader();
if (frameLoader && frameLoader->GetFrameMessageManager()) {
nsRefPtr<nsFrameMessageManager> manager =
frameLoader->GetFrameMessageManager();
manager->ReceiveMessage(mFrameElement,
aMessage,
aSync,
aCloneData,
aCpows,
aPrincipal,
aJSONRetVal);
}
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<nsIDOMWindow> window;
nsCOMPtr<nsIContent> frame = do_QueryInterface(mFrameElement);
if (frame)
window = do_QueryInterface(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->SetE10sData(browser, nullptr);
}
*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());
nsRefPtr<nsFrameLoader> frameLoader = GetFrameLoader();
TextureFactoryIdentifier textureFactoryIdentifier;
uint64_t layersId = 0;
bool success = false;
if(frameLoader) {
PRenderFrameParent* renderFrame =
new RenderFrameParent(frameLoader,
&textureFactoryIdentifier,
&layersId,
&success);
MOZ_ASSERT(success);
AddTabParentToTable(layersId, this);
return renderFrame;
} else {
return nullptr;
}
}
bool
TabParent::DeallocPRenderFrameParent(PRenderFrameParent* aFrame)
{
delete aFrame;
return true;
}
bool
TabParent::RecvGetRenderFrameInfo(PRenderFrameParent* aRenderFrame,
TextureFactoryIdentifier* aTextureFactoryIdentifier,
uint64_t* aLayersId)
{
RenderFrameParent* renderFrame = static_cast<RenderFrameParent*>(aRenderFrame);
renderFrame->GetTextureFactoryIdentifier(aTextureFactoryIdentifier);
*aLayersId = renderFrame->GetLayersId();
return true;
}
bool
TabParent::AllowContentIME()
{
nsFocusManager* fm = nsFocusManager::GetFocusManager();
NS_ENSURE_TRUE(fm, false);
nsCOMPtr<nsIContent> focusedContent = fm->GetFocusedContent();
if (focusedContent && focusedContent->IsEditable())
return false;
return true;
}
already_AddRefed<nsFrameLoader>
TabParent::GetFrameLoader() const
{
nsCOMPtr<nsIFrameLoaderOwner> frameLoaderOwner = do_QueryInterface(mFrameElement);
return frameLoaderOwner ? frameLoaderOwner->GetFrameLoader() : nullptr;
}
void
TabParent::TryCacheDPIAndScale()
{
if (mDPI > 0) {
return;
}
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget && mFrameElement) {
// Even if we don't have a widget (e.g. because we're display:none), there's
// probably a widget somewhere in the hierarchy our frame element lives in.
widget = nsContentUtils::WidgetForDocument(mFrameElement->OwnerDoc());
}
if (widget) {
mDPI = widget->GetDPI();
mDefaultScale = widget->GetDefaultScale();
}
}
already_AddRefed<nsIWidget>
TabParent::GetWidget() const
{
nsCOMPtr<nsIContent> content = do_QueryInterface(mFrameElement);
if (!content)
return nullptr;
nsIFrame *frame = content->GetPrimaryFrame();
if (!frame)
return nullptr;
nsCOMPtr<nsIWidget> widget = frame->GetNearestWidget();
return widget.forget();
}
void
TabParent::ApzAwareEventRoutingToChild(ScrollableLayerGuid* aOutTargetGuid,
uint64_t* aOutInputBlockId)
{
if (gfxPrefs::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();
}
// Let the widget know that the event will be sent to the child process,
// which will (hopefully) send a confirmation notice back to APZ.
InputAPZContext::SetRoutedToChildProcess();
}
}
bool
TabParent::RecvBrowserFrameOpenWindow(PBrowserParent* aOpener,
const nsString& aURL,
const nsString& aName,
const nsString& aFeatures,
bool* aOutWindowOpened)
{
BrowserElementParent::OpenWindowResult opened =
BrowserElementParent::OpenWindowOOP(TabParent::GetFrom(aOpener),
this, aURL, aName, aFeatures);
*aOutWindowOpened = (opened != BrowserElementParent::OPEN_WINDOW_CANCELLED);
return true;
}
bool
TabParent::RecvZoomToRect(const uint32_t& aPresShellId,
const ViewID& aViewId,
const CSSRect& aRect)
{
if (RenderFrameParent* rfp = GetRenderFrame()) {
rfp->ZoomToRect(aPresShellId, aViewId, aRect);
}
return true;
}
bool
TabParent::RecvUpdateZoomConstraints(const uint32_t& aPresShellId,
const ViewID& aViewId,
const bool& aIsRoot,
const ZoomConstraints& aConstraints)
{
if (RenderFrameParent* rfp = GetRenderFrame()) {
rfp->UpdateZoomConstraints(aPresShellId, aViewId, aIsRoot, aConstraints);
}
return true;
}
bool
TabParent::RecvContentReceivedInputBlock(const ScrollableLayerGuid& aGuid,
const uint64_t& aInputBlockId,
const bool& aPreventDefault)
{
if (RenderFrameParent* rfp = GetRenderFrame()) {
rfp->ContentReceivedInputBlock(aGuid, aInputBlockId, aPreventDefault);
}
return true;
}
bool
TabParent::RecvSetTargetAPZC(const uint64_t& aInputBlockId,
nsTArray<ScrollableLayerGuid>&& aTargets)
{
if (RenderFrameParent* rfp = GetRenderFrame()) {
rfp->SetTargetAPZC(aInputBlockId, aTargets);
}
return true;
}
already_AddRefed<nsILoadContext>
TabParent::GetLoadContext()
{
nsCOMPtr<nsILoadContext> loadContext;
if (mLoadContext) {
loadContext = mLoadContext;
} else {
loadContext = new LoadContext(GetOwnerElement(),
OwnOrContainingAppId(),
true /* aIsContent */,
mChromeFlags & nsIWebBrowserChrome::CHROME_PRIVATE_WINDOW,
mChromeFlags & nsIWebBrowserChrome::CHROME_REMOTE_WINDOW,
IsBrowserElement());
mLoadContext = loadContext;
}
return loadContext.forget();
}
/* Be careful if you call this method while proceding a real touch event. For
* example sending a touchstart during a real touchend may results into
* a busted mEventCaptureDepth and following touch events may not do what you
* expect.
*/
NS_IMETHODIMP
TabParent::InjectTouchEvent(const nsAString& aType,
uint32_t* aIdentifiers,
int32_t* aXs,
int32_t* aYs,
uint32_t* aRxs,
uint32_t* aRys,
float* aRotationAngles,
float* aForces,
uint32_t aCount,
int32_t aModifiers)
{
uint32_t msg;
nsContentUtils::GetEventIdAndAtom(aType, eTouchEventClass, &msg);
if (msg != NS_TOUCH_START && msg != NS_TOUCH_MOVE &&
msg != NS_TOUCH_END && msg != NS_TOUCH_CANCEL) {
return NS_ERROR_FAILURE;
}
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget) {
return NS_ERROR_FAILURE;
}
WidgetTouchEvent event(true, msg, widget);
event.modifiers = aModifiers;
event.time = PR_IntervalNow();
nsCOMPtr<nsIContent> content = do_QueryInterface(mFrameElement);
if (!content || !content->OwnerDoc()) {
return NS_ERROR_FAILURE;
}
nsIDocument* doc = content->OwnerDoc();
if (!doc || !doc->GetShell()) {
return NS_ERROR_FAILURE;
}
nsPresContext* presContext = doc->GetShell()->GetPresContext();
event.touches.SetCapacity(aCount);
for (uint32_t i = 0; i < aCount; ++i) {
LayoutDeviceIntPoint pt =
LayoutDeviceIntPoint::FromAppUnitsRounded(
CSSPoint::ToAppUnits(CSSPoint(aXs[i], aYs[i])),
presContext->AppUnitsPerDevPixel());
nsRefPtr<Touch> t = new Touch(aIdentifiers[i],
pt,
nsIntPoint(aRxs[i], aRys[i]),
aRotationAngles[i],
aForces[i]);
// Consider all injected touch events as changedTouches. For more details
// about the meaning of changedTouches for each event, see
// https://developer.mozilla.org/docs/Web/API/TouchEvent.changedTouches
t->mChanged = true;
event.touches.AppendElement(t);
}
if ((msg == NS_TOUCH_END || msg == NS_TOUCH_CANCEL) && sEventCapturer) {
WidgetGUIEvent* guiEvent = event.AsGUIEvent();
TryCapture(*guiEvent);
}
SendRealTouchEvent(event);
return NS_OK;
}
NS_IMETHODIMP
TabParent::GetUseAsyncPanZoom(bool* useAsyncPanZoom)
{
*useAsyncPanZoom = gfxPrefs::AsyncPanZoomEnabled();
return NS_OK;
}
NS_IMETHODIMP
TabParent::SetIsDocShellActive(bool isActive)
{
unused << SendSetIsDocShellActive(isActive);
return NS_OK;
}
NS_IMETHODIMP
TabParent::GetTabId(uint64_t* aId)
{
*aId = GetTabId();
return NS_OK;
}
bool
TabParent::RecvRemotePaintIsReady()
{
nsCOMPtr<mozilla::dom::EventTarget> target = do_QueryInterface(mFrameElement);
if (!target) {
NS_WARNING("Could not locate target for MozAfterRemotePaint message.");
return true;
}
nsCOMPtr<nsIDOMEvent> event;
NS_NewDOMEvent(getter_AddRefs(event), mFrameElement, nullptr, nullptr);
event->InitEvent(NS_LITERAL_STRING("MozAfterRemotePaint"), false, false);
event->SetTrusted(true);
event->GetInternalNSEvent()->mFlags.mOnlyChromeDispatch = true;
bool dummy;
mFrameElement->DispatchEvent(event, &dummy);
return true;
}
mozilla::plugins::PPluginWidgetParent*
TabParent::AllocPPluginWidgetParent()
{
return new mozilla::plugins::PluginWidgetParent();
}
bool
TabParent::DeallocPPluginWidgetParent(mozilla::plugins::PPluginWidgetParent* aActor)
{
delete aActor;
return true;
}
class FakeChannel MOZ_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 MOZ_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 GetOriginalURI(nsIURI**) NO_IMPL
NS_IMETHOD SetOriginalURI(nsIURI*) NO_IMPL
NS_IMETHOD GetURI(nsIURI** aUri) MOZ_OVERRIDE
{
NS_IF_ADDREF(mUri);
*aUri = mUri;
return NS_OK;
}
NS_IMETHOD GetOwner(nsISupports**) NO_IMPL
NS_IMETHOD SetOwner(nsISupports*) NO_IMPL
NS_IMETHOD GetLoadInfo(nsILoadInfo** aLoadInfo) MOZ_OVERRIDE
{
NS_IF_ADDREF(*aLoadInfo = mLoadInfo);
return NS_OK;
}
NS_IMETHOD SetLoadInfo(nsILoadInfo* aLoadInfo) MOZ_OVERRIDE
{
mLoadInfo = aLoadInfo;
return NS_OK;
}
NS_IMETHOD GetNotificationCallbacks(nsIInterfaceRequestor** aRequestor) MOZ_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 AsyncOpen(nsIStreamListener*, nsISupports*) 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) MOZ_OVERRIDE;
NS_IMETHOD OnAuthCancelled(nsISupports *aContext, bool userCancel) MOZ_OVERRIDE;
NS_IMETHOD GetInterface(const nsIID & uuid, void **result) MOZ_OVERRIDE
{
return QueryInterface(uuid, result);
}
NS_IMETHOD GetAssociatedWindow(nsIDOMWindow**) NO_IMPL
NS_IMETHOD GetTopWindow(nsIDOMWindow**) NO_IMPL
NS_IMETHOD GetTopFrameElement(nsIDOMElement** aElement) MOZ_OVERRIDE
{
nsCOMPtr<nsIDOMElement> elem = do_QueryInterface(mElement);
elem.forget(aElement);
return NS_OK;
}
NS_IMETHOD GetNestedFrameId(uint64_t*) NO_IMPL
NS_IMETHOD IsAppOfType(uint32_t, bool*) 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 GetIsInBrowserElement(bool*) NO_IMPL
NS_IMETHOD GetAppId(uint32_t*) NO_IMPL
NS_IMETHOD GetUseRemoteTabs(bool*) NO_IMPL
NS_IMETHOD SetRemoteTabs(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);
bool
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));
nsRefPtr<FakeChannel> channel = new FakeChannel(aUri, aCallbackId, mFrameElement);
uint32_t promptFlags = nsIAuthInformation::AUTH_HOST;
nsRefPtr<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));
return rv == NS_OK;
}
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 tabs
} // namespace mozilla
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