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gecko/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 ***** */
#ifdef MOZ_WIDGET_QT
#include <QtGui/QX11EmbedWidget>
#include <QApplication>
#endif
#include "TabChild.h"
#include "nsIWebBrowser.h"
#include "nsEmbedCID.h"
#include "nsComponentManagerUtils.h"
#include "nsIBaseWindow.h"
#include "nsIDOMWindow.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 "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"
#ifdef MOZ_WIDGET_GTK2
#include <gdk/gdkx.h>
#include <gtk/gtk.h>
#endif
using namespace mozilla::dom;
#ifdef MOZ_WIDGET_QT
static QApplication *gQApp = nsnull;
extern int gArgc;
extern char **gArgv;
#endif
NS_IMPL_ISUPPORTS1(ContentListener, nsIDOMEventListener)
NS_IMETHODIMP
ContentListener::HandleEvent(nsIDOMEvent* aEvent)
{
RemoteDOMEvent remoteEvent;
remoteEvent.mEvent = do_QueryInterface(aEvent);
NS_ENSURE_STATE(remoteEvent.mEvent);
mTabChild->SendsendEvent(remoteEvent);
return NS_OK;
}
TabChild::TabChild()
{
printf("creating %d!\n", NS_IsMainThread());
}
nsresult
TabChild::Init()
{
#ifdef MOZ_WIDGET_GTK2
gtk_init(NULL, NULL);
#elif defined(MOZ_WIDGET_QT)
if (!qApp)
gQApp = new QApplication(gArgc, (char**)gArgv);
#endif
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_IMPL_ISUPPORTS7(TabChild, nsIWebBrowserChrome, nsIWebBrowserChrome2,
nsIEmbeddingSiteWindow, nsIEmbeddingSiteWindow2,
nsIWebBrowserChromeFocus, nsIInterfaceRequestor,
nsIWindowProvider)
NS_IMETHODIMP
TabChild::SetStatus(PRUint32 aStatusType, const PRUnichar* aStatus)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
TabChild::GetWebBrowser(nsIWebBrowser** aWebBrowser)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
TabChild::SetWebBrowser(nsIWebBrowser* aWebBrowser)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
TabChild::GetChromeFlags(PRUint32* aChromeFlags)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
TabChild::SetChromeFlags(PRUint32 aChromeFlags)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
TabChild::DestroyBrowserWindow()
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
TabChild::SizeBrowserTo(PRInt32 aCX, PRInt32 aCY)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
TabChild::ShowAsModal()
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
TabChild::IsWindowModal(PRBool* aRetVal)
{
*aRetVal = PR_FALSE;
return NS_OK;
}
NS_IMETHODIMP
TabChild::ExitModalEventLoop(nsresult aStatus)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
TabChild::SetStatusWithContext(PRUint32 aStatusType,
const nsAString& aStatusText,
nsISupports* aStatusContext)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
TabChild::SetDimensions(PRUint32 aFlags, PRInt32 aX, PRInt32 aY,
PRInt32 aCx, PRInt32 aCy)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
TabChild::GetDimensions(PRUint32 aFlags, PRInt32* aX,
PRInt32* aY, PRInt32* aCx, PRInt32* aCy)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
TabChild::SetFocus()
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
TabChild::GetVisibility(PRBool* aVisibility)
{
*aVisibility = PR_TRUE;
return NS_OK;
}
NS_IMETHODIMP
TabChild::SetVisibility(PRBool aVisibility)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
TabChild::GetTitle(PRUnichar** aTitle)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
TabChild::SetTitle(const PRUnichar* aTitle)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
TabChild::GetSiteWindow(void** aSiteWindow)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
TabChild::Blur()
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
TabChild::FocusNextElement()
{
SendmoveFocus(PR_TRUE);
return NS_OK;
}
NS_IMETHODIMP
TabChild::FocusPrevElement()
{
SendmoveFocus(PR_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,
PRBool aPositionSpecified, PRBool aSizeSpecified,
nsIURI* aURI, const nsAString& aName,
const nsACString& aFeatures, PRBool* aWindowIsNew,
nsIDOMWindow** aReturn)
{
*aReturn = nsnull;
PIFrameEmbeddingChild* newChild;
if (!CallcreateWindow(&newChild)) {
return NS_ERROR_NOT_AVAILABLE;
}
nsCOMPtr<nsIDOMWindow> win =
do_GetInterface(static_cast<TabChild*>(newChild)->mWebNav);
win.forget(aReturn);
return NS_OK;
}
bool
TabChild::RecvcreateWidget(const MagicWindowHandle& parentWidget)
{
nsCOMPtr<nsIBaseWindow> baseWindow = do_QueryInterface(mWebNav);
if (!baseWindow) {
NS_ERROR("mWebNav doesn't QI to nsIBaseWindow");
return true;
}
#ifdef MOZ_WIDGET_GTK2
GtkWidget* win = gtk_plug_new((GdkNativeWindow)parentWidget);
gtk_widget_show(win);
#elif defined(MOZ_WIDGET_QT)
QX11EmbedWidget *win = new QX11EmbedWidget();
NS_ENSURE_TRUE(win, true);
win->embedInto(parentWidget);
win->show();
#elif defined(XP_WIN)
HWND win = parentWidget;
#elif defined(XP_MACOSX)
# warning IMPLEMENT ME
#else
#error You lose!
#endif
#if !defined(XP_MACOSX)
baseWindow->InitWindow(win, 0, 0, 0, 0, 0);
baseWindow->Create();
baseWindow->SetVisibility(PR_TRUE);
#endif
return InitTabChildGlobal();
}
bool
TabChild::destroyWidget()
{
nsCOMPtr<nsIBaseWindow> baseWindow = do_QueryInterface(mWebNav);
if (baseWindow)
baseWindow->Destroy();
return true;
}
TabChild::~TabChild()
{
#ifdef MOZ_WIDGET_QT
if (gQApp)
delete gQApp;
gQApp = nsnull;
#endif
destroyWidget();
nsCOMPtr<nsIWebBrowser> webBrowser = do_QueryInterface(mWebNav);
if (webBrowser) {
webBrowser->SetContainerWindow(nsnull);
}
if (mCx) {
nsIXPConnect* xpc = nsContentUtils::XPConnect();
if (xpc) {
xpc->ReleaseJSContext(mCx, PR_FALSE);
} else {
JS_DestroyContext(mCx);
}
}
}
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::Recvmove(const PRUint32& x,
const PRUint32& y,
const PRUint32& width,
const PRUint32& height)
{
printf("[TabChild] MOVE to (x,y)=(%ud, %ud), (w,h)= (%ud, %ud)\n",
x, y, width, height);
nsCOMPtr<nsIBaseWindow> baseWin = do_QueryInterface(mWebNav);
baseWin->SetPositionAndSize(x, y, width, height, PR_TRUE);
return true;
}
bool
TabChild::Recvactivate()
{
nsCOMPtr<nsIWebBrowserFocus> browser = do_QueryInterface(mWebNav);
browser->Activate();
return true;
}
bool
TabChild::RecvsendMouseEvent(const nsString& aType,
const PRInt32& aX,
const PRInt32& 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;
}
mozilla::ipc::PDocumentRendererChild*
TabChild::AllocPDocumentRenderer(
const PRInt32& x,
const PRInt32& y,
const PRInt32& w,
const PRInt32& h,
const nsString& bgcolor,
const PRUint32& flags,
const bool& flush)
{
return new mozilla::ipc::DocumentRendererChild();
}
bool
TabChild::DeallocPDocumentRenderer(PDocumentRendererChild* actor)
{
delete actor;
return true;
}
bool
TabChild::RecvPDocumentRendererConstructor(
mozilla::ipc::PDocumentRendererChild *__a,
const PRInt32& aX,
const PRInt32& aY,
const PRInt32& aW,
const PRInt32& aH,
const nsString& bgcolor,
const PRUint32& flags,
const bool& flush)
{
mozilla::ipc::DocumentRendererChild *render =
static_cast<mozilla::ipc::DocumentRendererChild *>(__a);
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
}
PRUint32 width, height;
nsCString data;
bool ret = render->RenderDocument(window, aX, aY, aW, aH, bgcolor, flags, flush,
width, height, data);
if (!ret)
return true; // silently ignore
return PDocumentRendererChild::Send__delete__(__a, width, height, data);
}
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;
}
bool
TabChild::RecvloadRemoteScript(const nsString& aURL)
{
nsCString url = NS_ConvertUTF16toUTF8(aURL);
nsCOMPtr<nsIURI> uri;
nsresult rv = NS_NewURI(getter_AddRefs(uri), url);
NS_ENSURE_SUCCESS(rv, true);
NS_NewChannel(getter_AddRefs(mChannel), uri);
NS_ENSURE_TRUE(mChannel, true);
nsCOMPtr<nsIInputStream> input;
mChannel->Open(getter_AddRefs(input));
nsString dataString;
if (input) {
const PRUint32 bufferSize = 256;
char buffer[bufferSize];
nsCString data;
PRUint32 avail = 0;
input->Available(&avail);
PRUint32 read = 0;
if (avail) {
while (NS_SUCCEEDED(input->Read(buffer, bufferSize, &read)) && read) {
data.Append(buffer, read);
read = 0;
}
}
nsScriptLoader::ConvertToUTF16(mChannel, (PRUint8*)data.get(), data.Length(),
EmptyString(), nsnull, dataString);
}
if (!dataString.IsEmpty()) {
JSAutoRequest ar(mCx);
nsCOMPtr<nsPIDOMWindow> w = do_GetInterface(mWebNav);
jsval retval;
JSObject* global = nsnull;
rv = mRootGlobal->GetJSObject(&global);
NS_ENSURE_SUCCESS(rv, false);
JSPrincipals* jsprin = nsnull;
mPrincipal->GetJSPrincipals(mCx, &jsprin);
nsContentUtils::XPConnect()->FlagSystemFilenamePrefix(url.get(), PR_TRUE);
nsContentUtils::ThreadJSContextStack()->Push(mCx);
JSBool ret = JS_EvaluateUCScriptForPrincipals(mCx, global, jsprin,
(jschar*)dataString.get(),
dataString.Length(),
url.get(), 1, &retval);
JSContext *unused;
nsContentUtils::ThreadJSContextStack()->Pop(&unused);
NS_ENSURE_TRUE(ret, true); // This gives us a useful warning!
}
return true;
}
bool
TabChild::RecvsendAsyncMessageToChild(const nsString& aMessage,
const nsString& aJSON)
{
if (mTabChildGlobal) {
nsTArray<nsString> dummy;
static_cast<nsFrameMessageManager*>(mTabChildGlobal->mMessageManager.get())->
ReceiveMessage(static_cast<nsPIDOMEventTarget*>(mTabChildGlobal),
aMessage, PR_FALSE, aJSON, nsnull);
}
return true;
}
bool
TabChild::InitTabChildGlobal()
{
nsCOMPtr<nsPIDOMWindow> window = do_GetInterface(mWebNav);
NS_ENSURE_TRUE(window, false);
nsCOMPtr<nsIDOMEventTarget> chromeHandler =
do_QueryInterface(window->GetChromeEventHandler());
NS_ENSURE_TRUE(chromeHandler, false);
nsCOMPtr<nsIJSRuntimeService> runtimeSvc =
do_GetService("@mozilla.org/js/xpc/RuntimeService;1");
NS_ENSURE_TRUE(runtimeSvc, false);
JSRuntime* rt = nsnull;
runtimeSvc->GetRuntime(&rt);
NS_ENSURE_TRUE(rt, false);
JSContext* cx = JS_NewContext(rt, 8192);
NS_ENSURE_TRUE(cx, false);
mCx = cx;
nsContentUtils::XPConnect()->SetSecurityManagerForJSContext(cx, nsContentUtils::GetSecurityManager(), 0);
nsContentUtils::GetSecurityManager()->GetSystemPrincipal(getter_AddRefs(mPrincipal));
PRUint32 stackDummy;
jsuword stackLimit, currentStackAddr = (jsuword)&stackDummy;
// 256k stack space.
const jsuword kStackSize = 0x40000;
#if JS_STACK_GROWTH_DIRECTION < 0
stackLimit = (currentStackAddr > kStackSize) ?
currentStackAddr - kStackSize :
0;
#else
stackLimit = (currentStackAddr + kStackSize > currentStackAddr) ?
currentStackAddr + kStackSize :
(jsuword) -1;
#endif
JS_SetThreadStackLimit(cx, stackLimit);
JS_SetScriptStackQuota(cx, 100*1024*1024);
JS_SetOptions(cx, JS_GetOptions(cx) | JSOPTION_JIT | JSOPTION_ANONFUNFIX | JSOPTION_PRIVATE_IS_NSISUPPORTS);
JS_SetGCParameterForThread(cx, JSGC_MAX_CODE_CACHE_BYTES, 1 * 1024 * 1024);
JSAutoRequest ar(cx);
nsIXPConnect* xpc = nsContentUtils::XPConnect();
const PRUint32 flags = nsIXPConnect::INIT_JS_STANDARD_CLASSES |
/*nsIXPConnect::OMIT_COMPONENTS_OBJECT ? |*/
nsIXPConnect::FLAG_SYSTEM_GLOBAL_OBJECT;
nsRefPtr<TabChildGlobal> scope = new TabChildGlobal(this);
NS_ENSURE_TRUE(scope, false);
mTabChildGlobal = scope;
nsISupports* scopeSupports =
NS_ISUPPORTS_CAST(nsPIDOMEventTarget*, scope);
JS_SetContextPrivate(cx, scopeSupports);
nsresult rv =
xpc->InitClassesWithNewWrappedGlobal(cx, scopeSupports,
NS_GET_IID(nsISupports), flags,
getter_AddRefs(mRootGlobal));
NS_ENSURE_SUCCESS(rv, false);
nsCOMPtr<nsPIWindowRoot> root = do_QueryInterface(chromeHandler);
NS_ENSURE_TRUE(root, false);
root->SetParentTarget(scope);
JSObject* global = nsnull;
rv = mRootGlobal->GetJSObject(&global);
NS_ENSURE_SUCCESS(rv, false);
JS_SetGlobalObject(cx, global);
return true;
}
bool SendSyncMessageToParent(void* aCallbackData,
const nsAString& aMessage,
const nsAString& aJSON,
nsTArray<nsString>* aJSONRetVal)
{
return static_cast<TabChild*>(aCallbackData)->
SendsendSyncMessageToParent(nsString(aMessage), nsString(aJSON), aJSONRetVal);
}
bool SendAsyncMessageToParent(void* aCallbackData,
const nsAString& aMessage,
const nsAString& aJSON)
{
return static_cast<TabChild*>(aCallbackData)->
SendsendAsyncMessageToParent(nsString(aMessage), nsString(aJSON));
}
TabChildGlobal::TabChildGlobal(TabChild* aTabChild)
: mTabChild(aTabChild)
{
mMessageManager = new nsFrameMessageManager(PR_FALSE,
SendSyncMessageToParent,
SendAsyncMessageToParent,
nsnull,
mTabChild,
nsnull,
aTabChild->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(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;
nsCOMPtr<nsIDOMWindow> window = do_GetInterface(mTabChild->WebNavigation());
window.swap(*aContent);
return NS_OK;
}
JSContext*
TabChildGlobal::GetJSContextForEventHandlers()
{
return mTabChild->GetJSContext();
}
nsIPrincipal*
TabChildGlobal::GetPrincipal()
{
return mTabChild->GetPrincipal();
}
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