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pjs/dom/ipc/TabChild.cpp

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/* -*- Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 8; -*- */
/* vim: set sw=4 ts=8 et tw=80 : */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla Content App.
*
* The Initial Developer of the Original Code is
* The Mozilla Foundation.
* Portions created by the Initial Developer are Copyright (C) 2009
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "TabChild.h"
#include "mozilla/IntentionalCrash.h"
#include "mozilla/dom/PContentChild.h"
#include "mozilla/dom/PContentDialogChild.h"
#include "mozilla/layers/PLayersChild.h"
#include "mozilla/layout/RenderFrameChild.h"
#include "mozilla/docshell/OfflineCacheUpdateChild.h"
#include "BasicLayers.h"
#include "nsIWebBrowser.h"
#include "nsIWebBrowserSetup.h"
#include "nsEmbedCID.h"
#include "nsComponentManagerUtils.h"
#include "nsIBaseWindow.h"
#include "nsIDOMWindow.h"
#include "nsIWebProgress.h"
#include "nsIDocShell.h"
#include "nsIDocShellTreeItem.h"
#include "nsThreadUtils.h"
#include "nsIInterfaceRequestorUtils.h"
#include "mozilla/ipc/DocumentRendererChild.h"
#include "nsIInterfaceRequestorUtils.h"
#include "nsPIDOMWindow.h"
#include "nsIDOMWindowUtils.h"
#include "nsISupportsImpl.h"
#include "nsIURI.h"
#include "nsIWebBrowserFocus.h"
#include "nsIDOMEvent.h"
#include "nsIPrivateDOMEvent.h"
#include "nsIComponentManager.h"
#include "nsIServiceManager.h"
#include "nsIJSRuntimeService.h"
#include "nsContentUtils.h"
#include "nsIDOMClassInfo.h"
#include "nsIXPCSecurityManager.h"
#include "nsIJSContextStack.h"
#include "nsComponentManagerUtils.h"
#include "nsIScriptSecurityManager.h"
#include "nsScriptLoader.h"
#include "nsPIWindowRoot.h"
#include "nsIScriptContext.h"
#include "nsInterfaceHashtable.h"
#include "nsPresContext.h"
#include "nsIDocument.h"
#include "nsIDOMDocument.h"
#include "nsIScriptGlobalObject.h"
#include "nsWeakReference.h"
#include "nsISecureBrowserUI.h"
#include "nsISSLStatusProvider.h"
#include "nsSerializationHelper.h"
#include "nsIFrame.h"
#include "nsIView.h"
#include "nsEventListenerManager.h"
#include "PCOMContentPermissionRequestChild.h"
#include "xpcpublic.h"
using namespace mozilla::dom;
using namespace mozilla::ipc;
using namespace mozilla::layers;
using namespace mozilla::layout;
using namespace mozilla::docshell;
NS_IMPL_ISUPPORTS1(ContentListener, nsIDOMEventListener)
NS_IMETHODIMP
ContentListener::HandleEvent(nsIDOMEvent* aEvent)
{
RemoteDOMEvent remoteEvent;
remoteEvent.mEvent = do_QueryInterface(aEvent);
NS_ENSURE_STATE(remoteEvent.mEvent);
mTabChild->SendEvent(remoteEvent);
return NS_OK;
}
class ContentDialogChild : public PContentDialogChild
{
public:
virtual bool Recv__delete__(const InfallibleTArray<int>& aIntParams,
const InfallibleTArray<nsString>& aStringParams);
};
TabChild::TabChild(PRUint32 aChromeFlags)
: mRemoteFrame(nsnull)
, mTabChildGlobal(nsnull)
, mChromeFlags(aChromeFlags)
, mOuterRect(0, 0, 0, 0)
, mLastBackgroundColor(NS_RGB(255, 255, 255))
{
printf("creating %d!\n", NS_IsMainThread());
}
nsresult
TabChild::Init()
{
nsCOMPtr<nsIWebBrowser> webBrowser = do_CreateInstance(NS_WEBBROWSER_CONTRACTID);
if (!webBrowser) {
NS_ERROR("Couldn't create a nsWebBrowser?");
return NS_ERROR_FAILURE;
}
webBrowser->SetContainerWindow(this);
mWebNav = do_QueryInterface(webBrowser);
NS_ASSERTION(mWebNav, "nsWebBrowser doesn't implement nsIWebNavigation?");
nsCOMPtr<nsIDocShellTreeItem> docShellItem(do_QueryInterface(mWebNav));
docShellItem->SetItemType(nsIDocShellTreeItem::typeContentWrapper);
return NS_OK;
}
NS_INTERFACE_MAP_BEGIN(TabChild)
NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIWebBrowserChrome)
NS_INTERFACE_MAP_ENTRY(nsIWebBrowserChrome)
NS_INTERFACE_MAP_ENTRY(nsIWebBrowserChrome2)
NS_INTERFACE_MAP_ENTRY(nsIEmbeddingSiteWindow)
NS_INTERFACE_MAP_ENTRY(nsIEmbeddingSiteWindow2)
NS_INTERFACE_MAP_ENTRY(nsIWebBrowserChromeFocus)
NS_INTERFACE_MAP_ENTRY(nsIInterfaceRequestor)
NS_INTERFACE_MAP_ENTRY(nsIWindowProvider)
NS_INTERFACE_MAP_ENTRY(nsITabChild)
NS_INTERFACE_MAP_ENTRY(nsIDialogCreator)
NS_INTERFACE_MAP_ENTRY(nsSupportsWeakReference)
NS_INTERFACE_MAP_END
NS_IMPL_ADDREF(TabChild)
NS_IMPL_RELEASE(TabChild)
NS_IMETHODIMP
TabChild::SetStatus(PRUint32 aStatusType, const PRUnichar* aStatus)
{
// FIXME/bug 617804: should the platform support this?
return NS_OK;
}
NS_IMETHODIMP
TabChild::GetWebBrowser(nsIWebBrowser** aWebBrowser)
{
NS_NOTREACHED("TabChild::GetWebBrowser not supported in TabChild");
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
TabChild::SetWebBrowser(nsIWebBrowser* aWebBrowser)
{
NS_NOTREACHED("TabChild::SetWebBrowser not supported in TabChild");
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
TabChild::GetChromeFlags(PRUint32* aChromeFlags)
{
*aChromeFlags = mChromeFlags;
return NS_OK;
}
NS_IMETHODIMP
TabChild::SetChromeFlags(PRUint32 aChromeFlags)
{
NS_NOTREACHED("trying to SetChromeFlags from content process?");
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
TabChild::DestroyBrowserWindow()
{
NS_NOTREACHED("TabChild::SetWebBrowser not supported in TabChild");
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
TabChild::SizeBrowserTo(PRInt32 aCX, PRInt32 aCY)
{
NS_NOTREACHED("TabChild::SizeBrowserTo not supported in TabChild");
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
TabChild::ShowAsModal()
{
NS_NOTREACHED("TabChild::ShowAsModal not supported in TabChild");
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
TabChild::IsWindowModal(bool* aRetVal)
{
*aRetVal = false;
return NS_OK;
}
NS_IMETHODIMP
TabChild::ExitModalEventLoop(nsresult aStatus)
{
NS_NOTREACHED("TabChild::ExitModalEventLoop not supported in TabChild");
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
TabChild::SetStatusWithContext(PRUint32 aStatusType,
const nsAString& aStatusText,
nsISupports* aStatusContext)
{
// FIXME/bug 617804: should the platform support this?
return NS_OK;
}
NS_IMETHODIMP
TabChild::SetDimensions(PRUint32 aFlags, PRInt32 aX, PRInt32 aY,
PRInt32 aCx, PRInt32 aCy)
{
NS_NOTREACHED("TabChild::SetDimensions not supported in TabChild");
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
TabChild::GetDimensions(PRUint32 aFlags, PRInt32* aX,
PRInt32* aY, PRInt32* aCx, PRInt32* aCy)
{
if (aX) {
*aX = mOuterRect.x;
}
if (aY) {
*aY = mOuterRect.y;
}
if (aCx) {
*aCx = mOuterRect.width;
}
if (aCy) {
*aCy = mOuterRect.height;
}
return NS_OK;
}
NS_IMETHODIMP
TabChild::SetFocus()
{
NS_NOTREACHED("TabChild::SetFocus not supported in TabChild");
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
TabChild::GetVisibility(bool* aVisibility)
{
*aVisibility = true;
return NS_OK;
}
NS_IMETHODIMP
TabChild::SetVisibility(bool aVisibility)
{
// should the platform support this? Bug 666365
return NS_OK;
}
NS_IMETHODIMP
TabChild::GetTitle(PRUnichar** aTitle)
{
NS_NOTREACHED("TabChild::GetTitle not supported in TabChild");
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
TabChild::SetTitle(const PRUnichar* aTitle)
{
// FIXME/bug 617804: should the platform support this?
return NS_OK;
}
NS_IMETHODIMP
TabChild::GetSiteWindow(void** aSiteWindow)
{
NS_NOTREACHED("TabChild::GetSiteWindow not supported in TabChild");
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
TabChild::Blur()
{
NS_NOTREACHED("TabChild::Blur not supported in TabChild");
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
TabChild::FocusNextElement()
{
SendMoveFocus(true);
return NS_OK;
}
NS_IMETHODIMP
TabChild::FocusPrevElement()
{
SendMoveFocus(false);
return NS_OK;
}
NS_IMETHODIMP
TabChild::GetInterface(const nsIID & aIID, void **aSink)
{
// XXXbz should we restrict the set of interfaces we hand out here?
// See bug 537429
return QueryInterface(aIID, aSink);
}
NS_IMETHODIMP
TabChild::ProvideWindow(nsIDOMWindow* aParent, PRUint32 aChromeFlags,
bool aCalledFromJS,
bool aPositionSpecified, bool aSizeSpecified,
nsIURI* aURI, const nsAString& aName,
const nsACString& aFeatures, bool* aWindowIsNew,
nsIDOMWindow** aReturn)
{
*aReturn = nsnull;
PBrowserChild* newChild;
if (!CallCreateWindow(&newChild)) {
return NS_ERROR_NOT_AVAILABLE;
}
*aWindowIsNew = true;
nsCOMPtr<nsIDOMWindow> win =
do_GetInterface(static_cast<TabChild*>(newChild)->mWebNav);
win.forget(aReturn);
return NS_OK;
}
static nsInterfaceHashtable<nsPtrHashKey<PContentDialogChild>, nsIDialogParamBlock> gActiveDialogs;
NS_IMETHODIMP
TabChild::OpenDialog(PRUint32 aType, const nsACString& aName,
const nsACString& aFeatures,
nsIDialogParamBlock* aArguments,
nsIDOMElement* aFrameElement)
{
if (!gActiveDialogs.IsInitialized()) {
NS_ENSURE_STATE(gActiveDialogs.Init());
}
InfallibleTArray<PRInt32> intParams;
InfallibleTArray<nsString> stringParams;
ParamsToArrays(aArguments, intParams, stringParams);
PContentDialogChild* dialog =
SendPContentDialogConstructor(aType, nsCString(aName),
nsCString(aFeatures), intParams, stringParams);
NS_ENSURE_STATE(gActiveDialogs.Put(dialog, aArguments));
nsIThread *thread = NS_GetCurrentThread();
while (gActiveDialogs.GetWeak(dialog)) {
if (!NS_ProcessNextEvent(thread)) {
break;
}
}
return NS_OK;
}
bool
ContentDialogChild::Recv__delete__(const InfallibleTArray<int>& aIntParams,
const InfallibleTArray<nsString>& aStringParams)
{
nsCOMPtr<nsIDialogParamBlock> params;
if (gActiveDialogs.Get(this, getter_AddRefs(params))) {
TabChild::ArraysToParams(aIntParams, aStringParams, params);
gActiveDialogs.Remove(this);
}
return true;
}
void
TabChild::ParamsToArrays(nsIDialogParamBlock* aParams,
InfallibleTArray<int>& aIntParams,
InfallibleTArray<nsString>& aStringParams)
{
if (aParams) {
for (PRInt32 i = 0; i < 8; ++i) {
PRInt32 val = 0;
aParams->GetInt(i, &val);
aIntParams.AppendElement(val);
}
PRInt32 j = 0;
nsXPIDLString strVal;
while (NS_SUCCEEDED(aParams->GetString(j, getter_Copies(strVal)))) {
aStringParams.AppendElement(strVal);
++j;
}
}
}
void
TabChild::ArraysToParams(const InfallibleTArray<int>& aIntParams,
const InfallibleTArray<nsString>& aStringParams,
nsIDialogParamBlock* aParams)
{
if (aParams) {
for (PRInt32 i = 0; PRUint32(i) < aIntParams.Length(); ++i) {
aParams->SetInt(i, aIntParams[i]);
}
for (PRInt32 j = 0; PRUint32(j) < aStringParams.Length(); ++j) {
aParams->SetString(j, aStringParams[j].get());
}
}
}
void
TabChild::DestroyWindow()
{
nsCOMPtr<nsIBaseWindow> baseWindow = do_QueryInterface(mWebNav);
if (baseWindow)
baseWindow->Destroy();
// NB: the order of mWidget->Destroy() and mRemoteFrame->Destroy()
// is important: we want to kill off remote layers before their
// frames
if (mWidget) {
mWidget->Destroy();
}
if (mRemoteFrame) {
mRemoteFrame->Destroy();
mRemoteFrame = nsnull;
}
}
void
TabChild::ActorDestroy(ActorDestroyReason why)
{
if (mTabChildGlobal) {
// The messageManager relays messages via the TabChild which
// no longer exists.
static_cast<nsFrameMessageManager*>
(mTabChildGlobal->mMessageManager.get())->Disconnect();
mTabChildGlobal->mMessageManager = nsnull;
}
}
TabChild::~TabChild()
{
nsCOMPtr<nsIWebBrowser> webBrowser = do_QueryInterface(mWebNav);
if (webBrowser) {
webBrowser->SetContainerWindow(nsnull);
}
if (mCx) {
DestroyCx();
}
if (mTabChildGlobal) {
nsEventListenerManager* elm = mTabChildGlobal->GetListenerManager(false);
if (elm) {
elm->Disconnect();
}
mTabChildGlobal->mTabChild = nsnull;
}
}
bool
TabChild::RecvLoadURL(const nsCString& uri)
{
printf("loading %s, %d\n", uri.get(), NS_IsMainThread());
nsresult rv = mWebNav->LoadURI(NS_ConvertUTF8toUTF16(uri).get(),
nsIWebNavigation::LOAD_FLAGS_NONE,
NULL, NULL, NULL);
if (NS_FAILED(rv)) {
NS_WARNING("mWebNav->LoadURI failed. Eating exception, what else can I do?");
}
return true;
}
bool
TabChild::RecvShow(const nsIntSize& size)
{
printf("[TabChild] SHOW (w,h)= (%d, %d)\n", size.width, size.height);
nsCOMPtr<nsIBaseWindow> baseWindow = do_QueryInterface(mWebNav);
if (!baseWindow) {
NS_ERROR("mWebNav doesn't QI to nsIBaseWindow");
return false;
}
if (!InitWidget(size)) {
// We can fail to initialize our widget if the <browser
// remote> has already been destroyed, and we couldn't hook
// into the parent-process's layer system. That's not a fatal
// error.
return true;
}
baseWindow->InitWindow(0, mWidget,
0, 0, size.width, size.height);
baseWindow->Create();
baseWindow->SetVisibility(true);
// IPC uses a WebBrowser object for which DNS prefetching is turned off
// by default. But here we really want it, so enable it explicitly
nsCOMPtr<nsIWebBrowserSetup> webBrowserSetup = do_QueryInterface(baseWindow);
if (webBrowserSetup) {
webBrowserSetup->SetProperty(nsIWebBrowserSetup::SETUP_ALLOW_DNS_PREFETCH,
true);
} else {
NS_WARNING("baseWindow doesn't QI to nsIWebBrowserSetup, skipping "
"DNS prefetching enable step.");
}
return InitTabChildGlobal();
}
bool
TabChild::RecvUpdateDimensions(const nsRect& rect, const nsIntSize& size)
{
#ifdef DEBUG
printf("[TabChild] Update Dimensions to (x,y,w,h)= (%ud, %ud, %ud, %ud) and move to (w,h)= (%ud, %ud)\n", rect.x, rect.y, rect.width, rect.height, size.width, size.height);
#endif
if (!mRemoteFrame) {
return true;
}
mOuterRect.x = rect.x;
mOuterRect.y = rect.y;
mOuterRect.width = rect.width;
mOuterRect.height = rect.height;
mWidget->Resize(0, 0, size.width, size.height,
true);
nsCOMPtr<nsIBaseWindow> baseWin = do_QueryInterface(mWebNav);
baseWin->SetPositionAndSize(0, 0, size.width, size.height,
true);
return true;
}
bool
TabChild::RecvActivate()
{
nsCOMPtr<nsIWebBrowserFocus> browser = do_QueryInterface(mWebNav);
browser->Activate();
return true;
}
bool TabChild::RecvDeactivate()
{
nsCOMPtr<nsIWebBrowserFocus> browser = do_QueryInterface(mWebNav);
browser->Deactivate();
return true;
}
bool
TabChild::RecvMouseEvent(const nsString& aType,
const float& aX,
const float& aY,
const PRInt32& aButton,
const PRInt32& aClickCount,
const PRInt32& aModifiers,
const bool& aIgnoreRootScrollFrame)
{
nsCOMPtr<nsPIDOMWindow> window = do_GetInterface(mWebNav);
nsCOMPtr<nsIDOMWindowUtils> utils = do_GetInterface(window);
NS_ENSURE_TRUE(utils, true);
utils->SendMouseEvent(aType, aX, aY, aButton, aClickCount, aModifiers,
aIgnoreRootScrollFrame);
return true;
}
bool
TabChild::RecvRealMouseEvent(const nsMouseEvent& event)
{
nsMouseEvent localEvent(event);
DispatchWidgetEvent(localEvent);
return true;
}
bool
TabChild::RecvMouseScrollEvent(const nsMouseScrollEvent& event)
{
nsMouseScrollEvent localEvent(event);
DispatchWidgetEvent(localEvent);
return true;
}
bool
TabChild::RecvRealKeyEvent(const nsKeyEvent& event)
{
nsKeyEvent localEvent(event);
DispatchWidgetEvent(localEvent);
return true;
}
bool
TabChild::RecvKeyEvent(const nsString& aType,
const PRInt32& aKeyCode,
const PRInt32& aCharCode,
const PRInt32& aModifiers,
const bool& aPreventDefault)
{
nsCOMPtr<nsPIDOMWindow> window = do_GetInterface(mWebNav);
nsCOMPtr<nsIDOMWindowUtils> utils = do_GetInterface(window);
NS_ENSURE_TRUE(utils, true);
bool ignored = false;
utils->SendKeyEvent(aType, aKeyCode, aCharCode,
aModifiers, aPreventDefault, &ignored);
return true;
}
bool
TabChild::RecvCompositionEvent(const nsCompositionEvent& event)
{
nsCompositionEvent localEvent(event);
DispatchWidgetEvent(localEvent);
return true;
}
bool
TabChild::RecvTextEvent(const nsTextEvent& event)
{
nsTextEvent localEvent(event);
DispatchWidgetEvent(localEvent);
IPC::ParamTraits<nsTextEvent>::Free(event);
return true;
}
bool
TabChild::RecvSelectionEvent(const nsSelectionEvent& event)
{
nsSelectionEvent localEvent(event);
DispatchWidgetEvent(localEvent);
return true;
}
bool
TabChild::DispatchWidgetEvent(nsGUIEvent& event)
{
if (!mWidget)
return false;
nsEventStatus status;
event.widget = mWidget;
NS_ENSURE_SUCCESS(mWidget->DispatchEvent(&event, status), false);
return true;
}
PDocumentRendererChild*
TabChild::AllocPDocumentRenderer(const nsRect& documentRect,
const gfxMatrix& transform,
const nsString& bgcolor,
const PRUint32& renderFlags,
const bool& flushLayout,
const nsIntSize& renderSize)
{
return new DocumentRendererChild();
}
bool
TabChild::DeallocPDocumentRenderer(PDocumentRendererChild* actor)
{
delete actor;
return true;
}
bool
TabChild::RecvPDocumentRendererConstructor(PDocumentRendererChild* actor,
const nsRect& documentRect,
const gfxMatrix& transform,
const nsString& bgcolor,
const PRUint32& renderFlags,
const bool& flushLayout,
const nsIntSize& renderSize)
{
DocumentRendererChild *render = static_cast<DocumentRendererChild *>(actor);
nsCOMPtr<nsIWebBrowser> browser = do_QueryInterface(mWebNav);
if (!browser)
return true; // silently ignore
nsCOMPtr<nsIDOMWindow> window;
if (NS_FAILED(browser->GetContentDOMWindow(getter_AddRefs(window))) ||
!window)
{
return true; // silently ignore
}
nsCString data;
bool ret = render->RenderDocument(window,
documentRect, transform,
bgcolor,
renderFlags, flushLayout,
renderSize, data);
if (!ret)
return true; // silently ignore
return PDocumentRendererChild::Send__delete__(actor, renderSize, data);
}
PContentDialogChild*
TabChild::AllocPContentDialog(const PRUint32&,
const nsCString&,
const nsCString&,
const InfallibleTArray<int>&,
const InfallibleTArray<nsString>&)
{
return new ContentDialogChild();
}
bool
TabChild::DeallocPContentDialog(PContentDialogChild* aDialog)
{
delete aDialog;
return true;
}
PContentPermissionRequestChild*
TabChild::AllocPContentPermissionRequest(const nsCString& aType, const IPC::URI&)
{
NS_RUNTIMEABORT("unused");
return nsnull;
}
bool
TabChild::DeallocPContentPermissionRequest(PContentPermissionRequestChild* actor)
{
static_cast<PCOMContentPermissionRequestChild*>(actor)->IPDLRelease();
return true;
}
bool
TabChild::RecvActivateFrameEvent(const nsString& aType, const bool& capture)
{
nsCOMPtr<nsPIDOMWindow> window = do_GetInterface(mWebNav);
NS_ENSURE_TRUE(window, true);
nsCOMPtr<nsIDOMEventTarget> chromeHandler =
do_QueryInterface(window->GetChromeEventHandler());
NS_ENSURE_TRUE(chromeHandler, true);
nsRefPtr<ContentListener> listener = new ContentListener(this);
NS_ENSURE_TRUE(listener, true);
chromeHandler->AddEventListener(aType, listener, capture);
return true;
}
POfflineCacheUpdateChild*
TabChild::AllocPOfflineCacheUpdate(const URI& manifestURI,
const URI& documentURI,
const nsCString& clientID,
const bool& stickDocument)
{
NS_RUNTIMEABORT("unused");
return nsnull;
}
bool
TabChild::DeallocPOfflineCacheUpdate(POfflineCacheUpdateChild* actor)
{
OfflineCacheUpdateChild* offlineCacheUpdate = static_cast<OfflineCacheUpdateChild*>(actor);
delete offlineCacheUpdate;
return true;
}
bool
TabChild::RecvLoadRemoteScript(const nsString& aURL)
{
if (!mCx && !InitTabChildGlobal())
// This can happen if we're half-destroyed. It's not a fatal
// error.
return true;
LoadFrameScriptInternal(aURL);
return true;
}
bool
TabChild::RecvAsyncMessage(const nsString& aMessage,
const nsString& aJSON)
{
if (mTabChildGlobal) {
nsFrameScriptCx cx(static_cast<nsIWebBrowserChrome*>(this), this);
nsRefPtr<nsFrameMessageManager> mm =
static_cast<nsFrameMessageManager*>(mTabChildGlobal->mMessageManager.get());
mm->ReceiveMessage(static_cast<nsIDOMEventTarget*>(mTabChildGlobal),
aMessage, false, aJSON, nsnull, nsnull);
}
return true;
}
class UnloadScriptEvent : public nsRunnable
{
public:
UnloadScriptEvent(TabChild* aTabChild, TabChildGlobal* aTabChildGlobal)
: mTabChild(aTabChild), mTabChildGlobal(aTabChildGlobal)
{ }
NS_IMETHOD Run()
{
nsCOMPtr<nsIDOMEvent> event;
NS_NewDOMEvent(getter_AddRefs(event), nsnull, nsnull);
if (event) {
event->InitEvent(NS_LITERAL_STRING("unload"), false, false);
nsCOMPtr<nsIPrivateDOMEvent> privateEvent(do_QueryInterface(event));
privateEvent->SetTrusted(true);
bool dummy;
mTabChildGlobal->DispatchEvent(event, &dummy);
}
return NS_OK;
}
nsRefPtr<TabChild> mTabChild;
TabChildGlobal* mTabChildGlobal;
};
bool
TabChild::RecvDestroy()
{
if (mTabChildGlobal) {
// Let the frame scripts know the child is being closed
nsContentUtils::AddScriptRunner(
new UnloadScriptEvent(this, mTabChildGlobal)
);
}
// XXX what other code in ~TabChild() should we be running here?
DestroyWindow();
return Send__delete__(this);
}
PRenderFrameChild*
TabChild::AllocPRenderFrame()
{
return new RenderFrameChild();
}
bool
TabChild::DeallocPRenderFrame(PRenderFrameChild* aFrame)
{
delete aFrame;
return true;
}
bool
TabChild::InitTabChildGlobal()
{
if (mCx && mTabChildGlobal)
return true;
nsCOMPtr<nsPIDOMWindow> window = do_GetInterface(mWebNav);
NS_ENSURE_TRUE(window, false);
nsCOMPtr<nsIDOMEventTarget> chromeHandler =
do_QueryInterface(window->GetChromeEventHandler());
NS_ENSURE_TRUE(chromeHandler, false);
nsRefPtr<TabChildGlobal> scope = new TabChildGlobal(this);
NS_ENSURE_TRUE(scope, false);
mTabChildGlobal = scope;
nsISupports* scopeSupports =
NS_ISUPPORTS_CAST(nsIDOMEventTarget*, scope);
NS_ENSURE_TRUE(InitTabChildGlobalInternal(scopeSupports), false);
scope->Init();
nsCOMPtr<nsPIWindowRoot> root = do_QueryInterface(chromeHandler);
NS_ENSURE_TRUE(root, false);
root->SetParentTarget(scope);
return true;
}
bool
TabChild::InitWidget(const nsIntSize& size)
{
NS_ABORT_IF_FALSE(!mWidget && !mRemoteFrame, "CreateWidget twice?");
mWidget = nsIWidget::CreatePuppetWidget(this);
if (!mWidget) {
NS_ERROR("couldn't create fake widget");
return false;
}
mWidget->Create(
nsnull, 0, // no parents
nsIntRect(nsIntPoint(0, 0), size),
nsnull, // HandleWidgetEvent
nsnull // nsDeviceContext
);
RenderFrameChild* remoteFrame =
static_cast<RenderFrameChild*>(SendPRenderFrameConstructor());
if (!remoteFrame) {
NS_WARNING("failed to construct RenderFrame");
return false;
}
NS_ABORT_IF_FALSE(0 == remoteFrame->ManagedPLayersChild().Length(),
"shouldn't have a shadow manager yet");
LayerManager::LayersBackend be;
PLayersChild* shadowManager = remoteFrame->SendPLayersConstructor(&be);
if (!shadowManager) {
NS_WARNING("failed to construct LayersChild");
// This results in |remoteFrame| being deleted.
PRenderFrameChild::Send__delete__(remoteFrame);
return false;
}
ShadowLayerForwarder* lf =
mWidget->GetLayerManager(shadowManager, be)->AsShadowForwarder();
NS_ABORT_IF_FALSE(lf && lf->HasShadowManager(),
"PuppetWidget should have shadow manager");
lf->SetParentBackendType(be);
mRemoteFrame = remoteFrame;
return true;
}
void
TabChild::SetBackgroundColor(const nscolor& aColor)
{
if (mLastBackgroundColor != aColor) {
mLastBackgroundColor = aColor;
SendSetBackgroundColor(mLastBackgroundColor);
}
}
static bool
SendSyncMessageToParent(void* aCallbackData,
const nsAString& aMessage,
const nsAString& aJSON,
InfallibleTArray<nsString>* aJSONRetVal)
{
return static_cast<TabChild*>(aCallbackData)->
SendSyncMessage(nsString(aMessage), nsString(aJSON),
aJSONRetVal);
}
static bool
SendAsyncMessageToParent(void* aCallbackData,
const nsAString& aMessage,
const nsAString& aJSON)
{
return static_cast<TabChild*>(aCallbackData)->
SendAsyncMessage(nsString(aMessage), nsString(aJSON));
}
TabChildGlobal::TabChildGlobal(TabChild* aTabChild)
: mTabChild(aTabChild)
{
}
void
TabChildGlobal::Init()
{
NS_ASSERTION(!mMessageManager, "Re-initializing?!?");
mMessageManager = new nsFrameMessageManager(false,
SendSyncMessageToParent,
SendAsyncMessageToParent,
nsnull,
mTabChild,
nsnull,
mTabChild->GetJSContext());
}
NS_IMPL_CYCLE_COLLECTION_CLASS(TabChildGlobal)
NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(TabChildGlobal,
nsDOMEventTargetHelper)
NS_IMPL_CYCLE_COLLECTION_UNLINK_NSCOMPTR(mMessageManager)
NS_IMPL_CYCLE_COLLECTION_UNLINK_END
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(TabChildGlobal,
nsDOMEventTargetHelper)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_NSCOMPTR(mMessageManager)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(TabChildGlobal)
NS_INTERFACE_MAP_ENTRY(nsIFrameMessageManager)
NS_INTERFACE_MAP_ENTRY(nsISyncMessageSender)
NS_INTERFACE_MAP_ENTRY(nsIContentFrameMessageManager)
NS_INTERFACE_MAP_ENTRY(nsIScriptContextPrincipal)
NS_INTERFACE_MAP_ENTRY(nsIScriptObjectPrincipal)
NS_DOM_INTERFACE_MAP_ENTRY_CLASSINFO(ContentFrameMessageManager)
NS_INTERFACE_MAP_END_INHERITING(nsDOMEventTargetHelper)
NS_IMPL_ADDREF_INHERITED(TabChildGlobal, nsDOMEventTargetHelper)
NS_IMPL_RELEASE_INHERITED(TabChildGlobal, nsDOMEventTargetHelper)
NS_IMETHODIMP
TabChildGlobal::GetContent(nsIDOMWindow** aContent)
{
*aContent = nsnull;
if (!mTabChild)
return NS_ERROR_NULL_POINTER;
nsCOMPtr<nsIDOMWindow> window = do_GetInterface(mTabChild->WebNavigation());
window.swap(*aContent);
return NS_OK;
}
NS_IMETHODIMP
TabChildGlobal::PrivateNoteIntentionalCrash()
{
mozilla::NoteIntentionalCrash("tab");
return NS_OK;
}
NS_IMETHODIMP
TabChildGlobal::GetDocShell(nsIDocShell** aDocShell)
{
*aDocShell = nsnull;
if (!mTabChild)
return NS_ERROR_NULL_POINTER;
nsCOMPtr<nsIDocShell> docShell = do_GetInterface(mTabChild->WebNavigation());
docShell.swap(*aDocShell);
return NS_OK;
}
NS_IMETHODIMP
TabChildGlobal::Btoa(const nsAString& aBinaryData,
nsAString& aAsciiBase64String)
{
return nsContentUtils::Btoa(aBinaryData, aAsciiBase64String);
}
NS_IMETHODIMP
TabChildGlobal::Atob(const nsAString& aAsciiString,
nsAString& aBinaryData)
{
return nsContentUtils::Atob(aAsciiString, aBinaryData);
}
JSContext*
TabChildGlobal::GetJSContextForEventHandlers()
{
if (!mTabChild)
return nsnull;
return mTabChild->GetJSContext();
}
nsIPrincipal*
TabChildGlobal::GetPrincipal()
{
if (!mTabChild)
return nsnull;
return mTabChild->GetPrincipal();
}
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