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gecko-dev/embedding/browser/nsWebBrowser.cpp

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
// Local Includes
#include "nsWebBrowser.h"
// Helper Classes
#include "nsGfxCIID.h"
#include "nsWidgetsCID.h"
#include "gfxUtils.h"
#include "mozilla/gfx/2D.h"
// Interfaces Needed
#include "nsReadableUtils.h"
#include "nsIComponentManager.h"
#include "nsIDOMDocument.h"
#include "nsIDOMWindow.h"
#include "nsIDOMElement.h"
#include "nsIInterfaceRequestor.h"
#include "nsIInterfaceRequestorUtils.h"
#include "nsIWebBrowserChrome.h"
#include "nsPIDOMWindow.h"
#include "nsIWebProgress.h"
#include "nsIWebProgressListener.h"
#include "nsIWebBrowserFocus.h"
#include "nsIWebBrowserStream.h"
#include "nsIPresShell.h"
#include "nsIURIContentListener.h"
#include "nsISHistoryListener.h"
#include "nsIURI.h"
#include "nsIWebBrowserPersist.h"
#include "nsCWebBrowserPersist.h"
#include "nsIServiceManager.h"
#include "nsAutoPtr.h"
#include "nsFocusManager.h"
#include "Layers.h"
#include "gfxContext.h"
#include "nsILoadContext.h"
// for painting the background window
#include "mozilla/LookAndFeel.h"
// Printing Includes
#ifdef NS_PRINTING
#include "nsIWebBrowserPrint.h"
#include "nsIContentViewer.h"
#endif
// PSM2 includes
#include "nsISecureBrowserUI.h"
#include "nsXULAppAPI.h"
using namespace mozilla;
using namespace mozilla::gfx;
using namespace mozilla::layers;
static NS_DEFINE_CID(kChildCID, NS_CHILD_CID);
nsWebBrowser::nsWebBrowser()
: mInitInfo(new nsWebBrowserInitInfo())
, mContentType(typeContentWrapper)
, mActivating(false)
, mShouldEnableHistory(true)
, mIsActive(true)
, mParentNativeWindow(nullptr)
, mProgressListener(nullptr)
, mBackgroundColor(0)
, mPersistCurrentState(nsIWebBrowserPersist::PERSIST_STATE_READY)
, mPersistResult(NS_OK)
, mPersistFlags(nsIWebBrowserPersist::PERSIST_FLAGS_NONE)
, mParentWidget(nullptr)
{
mWWatch = do_GetService(NS_WINDOWWATCHER_CONTRACTID);
NS_ASSERTION(mWWatch, "failed to get WindowWatcher");
}
nsWebBrowser::~nsWebBrowser()
{
InternalDestroy();
}
NS_IMETHODIMP
nsWebBrowser::InternalDestroy()
{
if (mInternalWidget) {
mInternalWidget->SetWidgetListener(nullptr);
mInternalWidget->Destroy();
mInternalWidget = nullptr; // Force release here.
}
SetDocShell(nullptr);
if (mDocShellTreeOwner) {
mDocShellTreeOwner->WebBrowser(nullptr);
mDocShellTreeOwner = nullptr;
}
mInitInfo = nullptr;
mListenerArray = nullptr;
return NS_OK;
}
NS_IMPL_ADDREF(nsWebBrowser)
NS_IMPL_RELEASE(nsWebBrowser)
NS_INTERFACE_MAP_BEGIN(nsWebBrowser)
NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIWebBrowser)
NS_INTERFACE_MAP_ENTRY(nsIWebBrowser)
NS_INTERFACE_MAP_ENTRY(nsIWebNavigation)
NS_INTERFACE_MAP_ENTRY(nsIBaseWindow)
NS_INTERFACE_MAP_ENTRY(nsIScrollable)
NS_INTERFACE_MAP_ENTRY(nsITextScroll)
NS_INTERFACE_MAP_ENTRY(nsIDocShellTreeItem)
NS_INTERFACE_MAP_ENTRY(nsIInterfaceRequestor)
NS_INTERFACE_MAP_ENTRY(nsIWebBrowserSetup)
NS_INTERFACE_MAP_ENTRY(nsIWebBrowserPersist)
NS_INTERFACE_MAP_ENTRY(nsICancelable)
NS_INTERFACE_MAP_ENTRY(nsIWebBrowserFocus)
NS_INTERFACE_MAP_ENTRY(nsIWebProgressListener)
NS_INTERFACE_MAP_ENTRY(nsIWebBrowserStream)
NS_INTERFACE_MAP_ENTRY(nsISupportsWeakReference)
NS_INTERFACE_MAP_END
///*****************************************************************************
// nsWebBrowser::nsIInterfaceRequestor
//*****************************************************************************
NS_IMETHODIMP
nsWebBrowser::GetInterface(const nsIID& aIID, void** aSink)
{
NS_ENSURE_ARG_POINTER(aSink);
if (NS_SUCCEEDED(QueryInterface(aIID, aSink))) {
return NS_OK;
}
if (mDocShell) {
#ifdef NS_PRINTING
if (aIID.Equals(NS_GET_IID(nsIWebBrowserPrint))) {
nsCOMPtr<nsIContentViewer> viewer;
mDocShell->GetContentViewer(getter_AddRefs(viewer));
if (!viewer) {
return NS_NOINTERFACE;
}
nsCOMPtr<nsIWebBrowserPrint> webBrowserPrint(do_QueryInterface(viewer));
nsIWebBrowserPrint* print = (nsIWebBrowserPrint*)webBrowserPrint.get();
NS_ASSERTION(print, "This MUST support this interface!");
NS_ADDREF(print);
*aSink = print;
return NS_OK;
}
#endif
return mDocShellAsReq->GetInterface(aIID, aSink);
}
return NS_NOINTERFACE;
}
//*****************************************************************************
// nsWebBrowser::nsIWebBrowser
//*****************************************************************************
// listeners that currently support registration through AddWebBrowserListener:
// - nsIWebProgressListener
NS_IMETHODIMP
nsWebBrowser::AddWebBrowserListener(nsIWeakReference* aListener,
const nsIID& aIID)
{
NS_ENSURE_ARG_POINTER(aListener);
nsresult rv = NS_OK;
if (!mWebProgress) {
// The window hasn't been created yet, so queue up the listener. They'll be
// registered when the window gets created.
if (!mListenerArray) {
mListenerArray = new nsTArray<nsWebBrowserListenerState>();
}
nsWebBrowserListenerState* state = mListenerArray->AppendElement();
state->mWeakPtr = aListener;
state->mID = aIID;
} else {
nsCOMPtr<nsISupports> supports(do_QueryReferent(aListener));
if (!supports) {
return NS_ERROR_INVALID_ARG;
}
rv = BindListener(supports, aIID);
}
return rv;
}
NS_IMETHODIMP
nsWebBrowser::BindListener(nsISupports* aListener, const nsIID& aIID)
{
NS_ENSURE_ARG_POINTER(aListener);
NS_ASSERTION(mWebProgress,
"this should only be called after we've retrieved a progress iface");
nsresult rv = NS_OK;
// register this listener for the specified interface id
if (aIID.Equals(NS_GET_IID(nsIWebProgressListener))) {
nsCOMPtr<nsIWebProgressListener> listener = do_QueryInterface(aListener, &rv);
if (NS_FAILED(rv)) {
return rv;
}
NS_ENSURE_STATE(mWebProgress);
rv = mWebProgress->AddProgressListener(listener, nsIWebProgress::NOTIFY_ALL);
} else if (aIID.Equals(NS_GET_IID(nsISHistoryListener))) {
nsCOMPtr<nsISHistory> shistory(do_GetInterface(mDocShell, &rv));
if (NS_FAILED(rv)) {
return rv;
}
nsCOMPtr<nsISHistoryListener> listener(do_QueryInterface(aListener, &rv));
if (NS_FAILED(rv)) {
return rv;
}
rv = shistory->AddSHistoryListener(listener);
}
return rv;
}
NS_IMETHODIMP
nsWebBrowser::RemoveWebBrowserListener(nsIWeakReference* aListener,
const nsIID& aIID)
{
NS_ENSURE_ARG_POINTER(aListener);
nsresult rv = NS_OK;
if (!mWebProgress) {
// if there's no-one to register the listener w/, and we don't have a queue
// going, the the called is calling Remove before an Add which doesn't make
// sense.
if (!mListenerArray) {
return NS_ERROR_FAILURE;
}
// iterate the array and remove the queued listener
int32_t count = mListenerArray->Length();
while (count > 0) {
if (mListenerArray->ElementAt(count).Equals(aListener, aIID)) {
mListenerArray->RemoveElementAt(count);
break;
}
count--;
}
// if we've emptied the array, get rid of it.
if (0 >= mListenerArray->Length()) {
mListenerArray = nullptr;
}
} else {
nsCOMPtr<nsISupports> supports(do_QueryReferent(aListener));
if (!supports) {
return NS_ERROR_INVALID_ARG;
}
rv = UnBindListener(supports, aIID);
}
return rv;
}
NS_IMETHODIMP
nsWebBrowser::UnBindListener(nsISupports* aListener, const nsIID& aIID)
{
NS_ENSURE_ARG_POINTER(aListener);
NS_ASSERTION(mWebProgress,
"this should only be called after we've retrieved a progress iface");
nsresult rv = NS_OK;
// remove the listener for the specified interface id
if (aIID.Equals(NS_GET_IID(nsIWebProgressListener))) {
nsCOMPtr<nsIWebProgressListener> listener = do_QueryInterface(aListener, &rv);
if (NS_FAILED(rv)) {
return rv;
}
NS_ENSURE_STATE(mWebProgress);
rv = mWebProgress->RemoveProgressListener(listener);
} else if (aIID.Equals(NS_GET_IID(nsISHistoryListener))) {
nsCOMPtr<nsISHistory> shistory(do_GetInterface(mDocShell, &rv));
if (NS_FAILED(rv)) {
return rv;
}
nsCOMPtr<nsISHistoryListener> listener(do_QueryInterface(aListener, &rv));
if (NS_FAILED(rv)) {
return rv;
}
rv = shistory->RemoveSHistoryListener(listener);
}
return rv;
}
NS_IMETHODIMP
nsWebBrowser::EnableGlobalHistory(bool aEnable)
{
NS_ENSURE_STATE(mDocShell);
return mDocShell->SetUseGlobalHistory(aEnable);
}
NS_IMETHODIMP
nsWebBrowser::GetContainerWindow(nsIWebBrowserChrome** aTopWindow)
{
NS_ENSURE_ARG_POINTER(aTopWindow);
nsCOMPtr<nsIWebBrowserChrome> top;
if (mDocShellTreeOwner) {
top = mDocShellTreeOwner->GetWebBrowserChrome();
}
top.forget(aTopWindow);
return NS_OK;
}
NS_IMETHODIMP
nsWebBrowser::SetContainerWindow(nsIWebBrowserChrome* aTopWindow)
{
NS_ENSURE_SUCCESS(EnsureDocShellTreeOwner(), NS_ERROR_FAILURE);
return mDocShellTreeOwner->SetWebBrowserChrome(aTopWindow);
}
NS_IMETHODIMP
nsWebBrowser::GetParentURIContentListener(
nsIURIContentListener** aParentContentListener)
{
NS_ENSURE_ARG_POINTER(aParentContentListener);
*aParentContentListener = nullptr;
// get the interface from the docshell
nsCOMPtr<nsIURIContentListener> listener(do_GetInterface(mDocShell));
if (listener) {
return listener->GetParentContentListener(aParentContentListener);
}
return NS_OK;
}
NS_IMETHODIMP
nsWebBrowser::SetParentURIContentListener(
nsIURIContentListener* aParentContentListener)
{
// get the interface from the docshell
nsCOMPtr<nsIURIContentListener> listener(do_GetInterface(mDocShell));
if (listener) {
return listener->SetParentContentListener(aParentContentListener);
}
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsWebBrowser::GetContentDOMWindow(nsIDOMWindow** aResult)
{
if (!mDocShell) {
return NS_ERROR_UNEXPECTED;
}
nsCOMPtr<nsIDOMWindow> retval = mDocShell->GetWindow();
retval.forget(aResult);
return *aResult ? NS_OK : NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsWebBrowser::GetIsActive(bool* aResult)
{
*aResult = mIsActive;
return NS_OK;
}
NS_IMETHODIMP
nsWebBrowser::SetIsActive(bool aIsActive)
{
// Set our copy of the value
mIsActive = aIsActive;
// If we have a docshell, pass on the request
if (mDocShell) {
return mDocShell->SetIsActive(aIsActive);
}
return NS_OK;
}
//*****************************************************************************
// nsWebBrowser::nsIDocShellTreeItem
//*****************************************************************************
NS_IMETHODIMP
nsWebBrowser::GetName(nsAString& aName)
{
if (mDocShell) {
mDocShell->GetName(aName);
} else {
aName = mInitInfo->name;
}
return NS_OK;
}
NS_IMETHODIMP
nsWebBrowser::SetName(const nsAString& aName)
{
if (mDocShell) {
return mDocShell->SetName(aName);
} else {
mInitInfo->name = aName;
}
return NS_OK;
}
NS_IMETHODIMP
nsWebBrowser::NameEquals(const char16_t* aName, bool* aResult)
{
NS_ENSURE_ARG_POINTER(aName);
NS_ENSURE_ARG_POINTER(aResult);
if (mDocShell) {
return mDocShell->NameEquals(aName, aResult);
} else {
*aResult = mInitInfo->name.Equals(aName);
}
return NS_OK;
}
/* virtual */ int32_t
nsWebBrowser::ItemType()
{
return mContentType;
}
NS_IMETHODIMP
nsWebBrowser::GetItemType(int32_t* aItemType)
{
NS_ENSURE_ARG_POINTER(aItemType);
*aItemType = ItemType();
return NS_OK;
}
NS_IMETHODIMP
nsWebBrowser::SetItemType(int32_t aItemType)
{
NS_ENSURE_TRUE(
aItemType == typeContentWrapper || aItemType == typeChromeWrapper,
NS_ERROR_FAILURE);
mContentType = aItemType;
if (mDocShell) {
mDocShell->SetItemType(mContentType == typeChromeWrapper ?
static_cast<int32_t>(typeChrome) :
static_cast<int32_t>(typeContent));
}
return NS_OK;
}
NS_IMETHODIMP
nsWebBrowser::GetParent(nsIDocShellTreeItem** aParent)
{
*aParent = nullptr;
return NS_OK;
}
NS_IMETHODIMP
nsWebBrowser::GetSameTypeParent(nsIDocShellTreeItem** aParent)
{
*aParent = nullptr;
return NS_OK;
}
NS_IMETHODIMP
nsWebBrowser::GetRootTreeItem(nsIDocShellTreeItem** aRootTreeItem)
{
NS_ENSURE_ARG_POINTER(aRootTreeItem);
*aRootTreeItem = static_cast<nsIDocShellTreeItem*>(this);
nsCOMPtr<nsIDocShellTreeItem> parent;
NS_ENSURE_SUCCESS(GetParent(getter_AddRefs(parent)), NS_ERROR_FAILURE);
while (parent) {
*aRootTreeItem = parent;
NS_ENSURE_SUCCESS((*aRootTreeItem)->GetParent(getter_AddRefs(parent)),
NS_ERROR_FAILURE);
}
NS_ADDREF(*aRootTreeItem);
return NS_OK;
}
NS_IMETHODIMP
nsWebBrowser::GetSameTypeRootTreeItem(nsIDocShellTreeItem** aRootTreeItem)
{
NS_ENSURE_ARG_POINTER(aRootTreeItem);
*aRootTreeItem = static_cast<nsIDocShellTreeItem*>(this);
nsCOMPtr<nsIDocShellTreeItem> parent;
NS_ENSURE_SUCCESS(GetSameTypeParent(getter_AddRefs(parent)),
NS_ERROR_FAILURE);
while (parent) {
*aRootTreeItem = parent;
NS_ENSURE_SUCCESS((*aRootTreeItem)->GetSameTypeParent(getter_AddRefs(parent)),
NS_ERROR_FAILURE);
}
NS_ADDREF(*aRootTreeItem);
return NS_OK;
}
NS_IMETHODIMP
nsWebBrowser::FindItemWithName(const char16_t* aName,
nsISupports* aRequestor,
nsIDocShellTreeItem* aOriginalRequestor,
nsIDocShellTreeItem** aResult)
{
NS_ENSURE_STATE(mDocShell);
NS_ASSERTION(mDocShellTreeOwner,
"This should always be set when in this situation");
return mDocShell->FindItemWithName(
aName, static_cast<nsIDocShellTreeOwner*>(mDocShellTreeOwner),
aOriginalRequestor, aResult);
}
nsIDocument*
nsWebBrowser::GetDocument()
{
return mDocShell ? mDocShell->GetDocument() : nullptr;
}
nsPIDOMWindow*
nsWebBrowser::GetWindow()
{
return mDocShell ? mDocShell->GetWindow() : nullptr;
}
NS_IMETHODIMP
nsWebBrowser::GetTreeOwner(nsIDocShellTreeOwner** aTreeOwner)
{
NS_ENSURE_ARG_POINTER(aTreeOwner);
*aTreeOwner = nullptr;
if (mDocShellTreeOwner) {
if (mDocShellTreeOwner->mTreeOwner) {
*aTreeOwner = mDocShellTreeOwner->mTreeOwner;
} else {
*aTreeOwner = mDocShellTreeOwner;
}
}
NS_IF_ADDREF(*aTreeOwner);
return NS_OK;
}
NS_IMETHODIMP
nsWebBrowser::SetTreeOwner(nsIDocShellTreeOwner* aTreeOwner)
{
NS_ENSURE_SUCCESS(EnsureDocShellTreeOwner(), NS_ERROR_FAILURE);
return mDocShellTreeOwner->SetTreeOwner(aTreeOwner);
}
//*****************************************************************************
// nsWebBrowser::nsIDocShellTreeItem
//*****************************************************************************
NS_IMETHODIMP
nsWebBrowser::GetChildCount(int32_t* aChildCount)
{
NS_ENSURE_ARG_POINTER(aChildCount);
*aChildCount = 0;
return NS_OK;
}
NS_IMETHODIMP
nsWebBrowser::AddChild(nsIDocShellTreeItem* aChild)
{
return NS_ERROR_UNEXPECTED;
}
NS_IMETHODIMP
nsWebBrowser::RemoveChild(nsIDocShellTreeItem* aChild)
{
return NS_ERROR_UNEXPECTED;
}
NS_IMETHODIMP
nsWebBrowser::GetChildAt(int32_t aIndex, nsIDocShellTreeItem** aChild)
{
return NS_ERROR_UNEXPECTED;
}
NS_IMETHODIMP
nsWebBrowser::FindChildWithName(const char16_t* aName,
bool aRecurse,
bool aSameType,
nsIDocShellTreeItem* aRequestor,
nsIDocShellTreeItem* aOriginalRequestor,
nsIDocShellTreeItem** aResult)
{
NS_ENSURE_ARG_POINTER(aResult);
*aResult = nullptr;
return NS_OK;
}
//*****************************************************************************
// nsWebBrowser::nsIWebNavigation
//*****************************************************************************
NS_IMETHODIMP
nsWebBrowser::GetCanGoBack(bool* aCanGoBack)
{
NS_ENSURE_STATE(mDocShell);
return mDocShellAsNav->GetCanGoBack(aCanGoBack);
}
NS_IMETHODIMP
nsWebBrowser::GetCanGoForward(bool* aCanGoForward)
{
NS_ENSURE_STATE(mDocShell);
return mDocShellAsNav->GetCanGoForward(aCanGoForward);
}
NS_IMETHODIMP
nsWebBrowser::GoBack()
{
NS_ENSURE_STATE(mDocShell);
return mDocShellAsNav->GoBack();
}
NS_IMETHODIMP
nsWebBrowser::GoForward()
{
NS_ENSURE_STATE(mDocShell);
return mDocShellAsNav->GoForward();
}
NS_IMETHODIMP
nsWebBrowser::LoadURIWithOptions(const char16_t* aURI, uint32_t aLoadFlags,
nsIURI* aReferringURI,
uint32_t aReferrerPolicy,
nsIInputStream* aPostDataStream,
nsIInputStream* aExtraHeaderStream,
nsIURI* aBaseURI)
{
NS_ENSURE_STATE(mDocShell);
return mDocShellAsNav->LoadURIWithOptions(
aURI, aLoadFlags, aReferringURI, aReferrerPolicy, aPostDataStream,
aExtraHeaderStream, aBaseURI);
}
NS_IMETHODIMP
nsWebBrowser::LoadURI(const char16_t* aURI, uint32_t aLoadFlags,
nsIURI* aReferringURI,
nsIInputStream* aPostDataStream,
nsIInputStream* aExtraHeaderStream)
{
NS_ENSURE_STATE(mDocShell);
return mDocShellAsNav->LoadURI(
aURI, aLoadFlags, aReferringURI, aPostDataStream, aExtraHeaderStream);
}
NS_IMETHODIMP
nsWebBrowser::Reload(uint32_t aReloadFlags)
{
NS_ENSURE_STATE(mDocShell);
return mDocShellAsNav->Reload(aReloadFlags);
}
NS_IMETHODIMP
nsWebBrowser::GotoIndex(int32_t aIndex)
{
NS_ENSURE_STATE(mDocShell);
return mDocShellAsNav->GotoIndex(aIndex);
}
NS_IMETHODIMP
nsWebBrowser::Stop(uint32_t aStopFlags)
{
NS_ENSURE_STATE(mDocShell);
return mDocShellAsNav->Stop(aStopFlags);
}
NS_IMETHODIMP
nsWebBrowser::GetCurrentURI(nsIURI** aURI)
{
NS_ENSURE_STATE(mDocShell);
return mDocShellAsNav->GetCurrentURI(aURI);
}
NS_IMETHODIMP
nsWebBrowser::GetReferringURI(nsIURI** aURI)
{
NS_ENSURE_STATE(mDocShell);
return mDocShellAsNav->GetReferringURI(aURI);
}
NS_IMETHODIMP
nsWebBrowser::SetSessionHistory(nsISHistory* aSessionHistory)
{
if (mDocShell) {
return mDocShellAsNav->SetSessionHistory(aSessionHistory);
} else {
mInitInfo->sessionHistory = aSessionHistory;
}
return NS_OK;
}
NS_IMETHODIMP
nsWebBrowser::GetSessionHistory(nsISHistory** aSessionHistory)
{
NS_ENSURE_ARG_POINTER(aSessionHistory);
if (mDocShell) {
return mDocShellAsNav->GetSessionHistory(aSessionHistory);
} else {
*aSessionHistory = mInitInfo->sessionHistory;
}
NS_IF_ADDREF(*aSessionHistory);
return NS_OK;
}
NS_IMETHODIMP
nsWebBrowser::GetDocument(nsIDOMDocument** aDocument)
{
NS_ENSURE_STATE(mDocShell);
return mDocShellAsNav->GetDocument(aDocument);
}
//*****************************************************************************
// nsWebBrowser::nsIWebBrowserSetup
//*****************************************************************************
NS_IMETHODIMP
nsWebBrowser::SetProperty(uint32_t aId, uint32_t aValue)
{
nsresult rv = NS_OK;
switch (aId) {
case nsIWebBrowserSetup::SETUP_ALLOW_PLUGINS: {
NS_ENSURE_STATE(mDocShell);
NS_ENSURE_TRUE((aValue == static_cast<uint32_t>(true) ||
aValue == static_cast<uint32_t>(false)),
NS_ERROR_INVALID_ARG);
mDocShell->SetAllowPlugins(!!aValue);
break;
}
case nsIWebBrowserSetup::SETUP_ALLOW_JAVASCRIPT: {
NS_ENSURE_STATE(mDocShell);
NS_ENSURE_TRUE((aValue == static_cast<uint32_t>(true) ||
aValue == static_cast<uint32_t>(false)),
NS_ERROR_INVALID_ARG);
mDocShell->SetAllowJavascript(!!aValue);
break;
}
case nsIWebBrowserSetup::SETUP_ALLOW_META_REDIRECTS: {
NS_ENSURE_STATE(mDocShell);
NS_ENSURE_TRUE((aValue == static_cast<uint32_t>(true) ||
aValue == static_cast<uint32_t>(false)),
NS_ERROR_INVALID_ARG);
mDocShell->SetAllowMetaRedirects(!!aValue);
break;
}
case nsIWebBrowserSetup::SETUP_ALLOW_SUBFRAMES: {
NS_ENSURE_STATE(mDocShell);
NS_ENSURE_TRUE((aValue == static_cast<uint32_t>(true) ||
aValue == static_cast<uint32_t>(false)),
NS_ERROR_INVALID_ARG);
mDocShell->SetAllowSubframes(!!aValue);
break;
}
case nsIWebBrowserSetup::SETUP_ALLOW_IMAGES: {
NS_ENSURE_STATE(mDocShell);
NS_ENSURE_TRUE((aValue == static_cast<uint32_t>(true) ||
aValue == static_cast<uint32_t>(false)),
NS_ERROR_INVALID_ARG);
mDocShell->SetAllowImages(!!aValue);
break;
}
case nsIWebBrowserSetup::SETUP_ALLOW_DNS_PREFETCH: {
NS_ENSURE_STATE(mDocShell);
NS_ENSURE_TRUE((aValue == static_cast<uint32_t>(true) ||
aValue == static_cast<uint32_t>(false)),
NS_ERROR_INVALID_ARG);
mDocShell->SetAllowDNSPrefetch(!!aValue);
break;
}
case nsIWebBrowserSetup::SETUP_USE_GLOBAL_HISTORY: {
NS_ENSURE_STATE(mDocShell);
NS_ENSURE_TRUE((aValue == static_cast<uint32_t>(true) ||
aValue == static_cast<uint32_t>(false)),
NS_ERROR_INVALID_ARG);
rv = EnableGlobalHistory(!!aValue);
mShouldEnableHistory = aValue;
break;
}
case nsIWebBrowserSetup::SETUP_FOCUS_DOC_BEFORE_CONTENT: {
// obsolete
break;
}
case nsIWebBrowserSetup::SETUP_IS_CHROME_WRAPPER: {
NS_ENSURE_TRUE((aValue == static_cast<uint32_t>(true) ||
aValue == static_cast<uint32_t>(false)),
NS_ERROR_INVALID_ARG);
SetItemType(aValue ? static_cast<int32_t>(typeChromeWrapper) :
static_cast<int32_t>(typeContentWrapper));
break;
}
default:
rv = NS_ERROR_INVALID_ARG;
}
return rv;
}
//*****************************************************************************
// nsWebBrowser::nsIWebProgressListener
//*****************************************************************************
NS_IMETHODIMP
nsWebBrowser::OnStateChange(nsIWebProgress* aWebProgress,
nsIRequest* aRequest,
uint32_t aStateFlags,
nsresult aStatus)
{
if (mPersist) {
mPersist->GetCurrentState(&mPersistCurrentState);
}
if (aStateFlags & STATE_IS_NETWORK && aStateFlags & STATE_STOP) {
mPersist = nullptr;
}
if (mProgressListener) {
return mProgressListener->OnStateChange(aWebProgress, aRequest, aStateFlags,
aStatus);
}
return NS_OK;
}
NS_IMETHODIMP
nsWebBrowser::OnProgressChange(nsIWebProgress* aWebProgress,
nsIRequest* aRequest,
int32_t aCurSelfProgress,
int32_t aMaxSelfProgress,
int32_t aCurTotalProgress,
int32_t aMaxTotalProgress)
{
if (mPersist) {
mPersist->GetCurrentState(&mPersistCurrentState);
}
if (mProgressListener) {
return mProgressListener->OnProgressChange(
aWebProgress, aRequest, aCurSelfProgress, aMaxSelfProgress,
aCurTotalProgress, aMaxTotalProgress);
}
return NS_OK;
}
NS_IMETHODIMP
nsWebBrowser::OnLocationChange(nsIWebProgress* aWebProgress,
nsIRequest* aRequest,
nsIURI* aLocation,
uint32_t aFlags)
{
if (mProgressListener) {
return mProgressListener->OnLocationChange(aWebProgress, aRequest, aLocation,
aFlags);
}
return NS_OK;
}
NS_IMETHODIMP
nsWebBrowser::OnStatusChange(nsIWebProgress* aWebProgress,
nsIRequest* aRequest,
nsresult aStatus,
const char16_t* aMessage)
{
if (mProgressListener) {
return mProgressListener->OnStatusChange(aWebProgress, aRequest, aStatus,
aMessage);
}
return NS_OK;
}
NS_IMETHODIMP
nsWebBrowser::OnSecurityChange(nsIWebProgress* aWebProgress,
nsIRequest* aRequest,
uint32_t aState)
{
if (mProgressListener) {
return mProgressListener->OnSecurityChange(aWebProgress, aRequest, aState);
}
return NS_OK;
}
//*****************************************************************************
// nsWebBrowser::nsIWebBrowserPersist
//*****************************************************************************
NS_IMETHODIMP
nsWebBrowser::GetPersistFlags(uint32_t* aPersistFlags)
{
NS_ENSURE_ARG_POINTER(aPersistFlags);
nsresult rv = NS_OK;
if (mPersist) {
rv = mPersist->GetPersistFlags(&mPersistFlags);
}
*aPersistFlags = mPersistFlags;
return rv;
}
NS_IMETHODIMP
nsWebBrowser::SetPersistFlags(uint32_t aPersistFlags)
{
nsresult rv = NS_OK;
mPersistFlags = aPersistFlags;
if (mPersist) {
rv = mPersist->SetPersistFlags(mPersistFlags);
mPersist->GetPersistFlags(&mPersistFlags);
}
return rv;
}
NS_IMETHODIMP
nsWebBrowser::GetCurrentState(uint32_t* aCurrentState)
{
NS_ENSURE_ARG_POINTER(aCurrentState);
if (mPersist) {
mPersist->GetCurrentState(&mPersistCurrentState);
}
*aCurrentState = mPersistCurrentState;
return NS_OK;
}
NS_IMETHODIMP
nsWebBrowser::GetResult(nsresult* aResult)
{
NS_ENSURE_ARG_POINTER(aResult);
if (mPersist) {
mPersist->GetResult(&mPersistResult);
}
*aResult = mPersistResult;
return NS_OK;
}
NS_IMETHODIMP
nsWebBrowser::GetProgressListener(nsIWebProgressListener** aProgressListener)
{
NS_ENSURE_ARG_POINTER(aProgressListener);
*aProgressListener = mProgressListener;
NS_IF_ADDREF(*aProgressListener);
return NS_OK;
}
NS_IMETHODIMP
nsWebBrowser::SetProgressListener(nsIWebProgressListener* aProgressListener)
{
mProgressListener = aProgressListener;
return NS_OK;
}
NS_IMETHODIMP
nsWebBrowser::SaveURI(nsIURI* aURI,
nsISupports* aCacheKey,
nsIURI* aReferrer,
uint32_t aReferrerPolicy,
nsIInputStream* aPostData,
const char* aExtraHeaders,
nsISupports* aFile,
nsILoadContext* aPrivacyContext)
{
return SavePrivacyAwareURI(
aURI, aCacheKey, aReferrer, aReferrerPolicy, aPostData, aExtraHeaders,
aFile, aPrivacyContext && aPrivacyContext->UsePrivateBrowsing());
}
NS_IMETHODIMP
nsWebBrowser::SavePrivacyAwareURI(nsIURI* aURI,
nsISupports* aCacheKey,
nsIURI* aReferrer,
uint32_t aReferrerPolicy,
nsIInputStream* aPostData,
const char* aExtraHeaders,
nsISupports* aFile,
bool aIsPrivate)
{
if (mPersist) {
uint32_t currentState;
mPersist->GetCurrentState(&currentState);
if (currentState == PERSIST_STATE_FINISHED) {
mPersist = nullptr;
} else {
// You can't save again until the last save has completed
return NS_ERROR_FAILURE;
}
}
nsCOMPtr<nsIURI> uri;
if (aURI) {
uri = aURI;
} else {
nsresult rv = GetCurrentURI(getter_AddRefs(uri));
if (NS_FAILED(rv)) {
return NS_ERROR_FAILURE;
}
}
// Create a throwaway persistence object to do the work
nsresult rv;
mPersist = do_CreateInstance(NS_WEBBROWSERPERSIST_CONTRACTID, &rv);
NS_ENSURE_SUCCESS(rv, rv);
mPersist->SetProgressListener(this);
mPersist->SetPersistFlags(mPersistFlags);
mPersist->GetCurrentState(&mPersistCurrentState);
rv = mPersist->SavePrivacyAwareURI(uri, aCacheKey, aReferrer, aReferrerPolicy,
aPostData, aExtraHeaders, aFile, aIsPrivate);
if (NS_FAILED(rv)) {
mPersist = nullptr;
}
return rv;
}
NS_IMETHODIMP
nsWebBrowser::SaveChannel(nsIChannel* aChannel, nsISupports* aFile)
{
if (mPersist) {
uint32_t currentState;
mPersist->GetCurrentState(&currentState);
if (currentState == PERSIST_STATE_FINISHED) {
mPersist = nullptr;
} else {
// You can't save again until the last save has completed
return NS_ERROR_FAILURE;
}
}
// Create a throwaway persistence object to do the work
nsresult rv;
mPersist = do_CreateInstance(NS_WEBBROWSERPERSIST_CONTRACTID, &rv);
NS_ENSURE_SUCCESS(rv, rv);
mPersist->SetProgressListener(this);
mPersist->SetPersistFlags(mPersistFlags);
mPersist->GetCurrentState(&mPersistCurrentState);
rv = mPersist->SaveChannel(aChannel, aFile);
if (NS_FAILED(rv)) {
mPersist = nullptr;
}
return rv;
}
NS_IMETHODIMP
nsWebBrowser::SaveDocument(nsISupports* aDocumentish,
nsISupports* aFile,
nsISupports* aDataPath,
const char* aOutputContentType,
uint32_t aEncodingFlags,
uint32_t aWrapColumn)
{
if (mPersist) {
uint32_t currentState;
mPersist->GetCurrentState(&currentState);
if (currentState == PERSIST_STATE_FINISHED) {
mPersist = nullptr;
} else {
// You can't save again until the last save has completed
return NS_ERROR_FAILURE;
}
}
// Use the specified DOM document, or if none is specified, the one
// attached to the web browser.
nsCOMPtr<nsISupports> doc;
if (aDocumentish) {
doc = aDocumentish;
} else {
nsCOMPtr<nsIDOMDocument> domDoc;
GetDocument(getter_AddRefs(domDoc));
doc = domDoc.forget();
}
if (!doc) {
return NS_ERROR_FAILURE;
}
// Create a throwaway persistence object to do the work
nsresult rv;
mPersist = do_CreateInstance(NS_WEBBROWSERPERSIST_CONTRACTID, &rv);
NS_ENSURE_SUCCESS(rv, rv);
mPersist->SetProgressListener(this);
mPersist->SetPersistFlags(mPersistFlags);
mPersist->GetCurrentState(&mPersistCurrentState);
rv = mPersist->SaveDocument(doc, aFile, aDataPath, aOutputContentType,
aEncodingFlags, aWrapColumn);
if (NS_FAILED(rv)) {
mPersist = nullptr;
}
return rv;
}
NS_IMETHODIMP
nsWebBrowser::CancelSave()
{
if (mPersist) {
return mPersist->CancelSave();
}
return NS_OK;
}
NS_IMETHODIMP
nsWebBrowser::Cancel(nsresult aReason)
{
if (mPersist) {
return mPersist->Cancel(aReason);
}
return NS_OK;
}
//*****************************************************************************
// nsWebBrowser::nsIBaseWindow
//*****************************************************************************
NS_IMETHODIMP
nsWebBrowser::InitWindow(nativeWindow aParentNativeWindow,
nsIWidget* aParentWidget,
int32_t aX, int32_t aY,
int32_t aCX, int32_t aCY)
{
NS_ENSURE_ARG(aParentNativeWindow || aParentWidget);
NS_ENSURE_STATE(!mDocShell || mInitInfo);
if (aParentWidget) {
NS_ENSURE_SUCCESS(SetParentWidget(aParentWidget), NS_ERROR_FAILURE);
} else
NS_ENSURE_SUCCESS(SetParentNativeWindow(aParentNativeWindow),
NS_ERROR_FAILURE);
NS_ENSURE_SUCCESS(SetPositionAndSize(aX, aY, aCX, aCY, false),
NS_ERROR_FAILURE);
return NS_OK;
}
NS_IMETHODIMP
nsWebBrowser::Create()
{
NS_ENSURE_STATE(!mDocShell && (mParentNativeWindow || mParentWidget));
nsresult rv = EnsureDocShellTreeOwner();
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsIWidget> docShellParentWidget(mParentWidget);
if (!mParentWidget) {
// Create the widget
mInternalWidget = do_CreateInstance(kChildCID, &rv);
NS_ENSURE_SUCCESS(rv, rv);
docShellParentWidget = mInternalWidget;
nsWidgetInitData widgetInit;
widgetInit.clipChildren = true;
widgetInit.mWindowType = eWindowType_child;
nsIntRect bounds(mInitInfo->x, mInitInfo->y, mInitInfo->cx, mInitInfo->cy);
mInternalWidget->SetWidgetListener(this);
mInternalWidget->Create(nullptr, mParentNativeWindow, bounds, &widgetInit);
}
nsCOMPtr<nsIDocShell> docShell(
do_CreateInstance("@mozilla.org/docshell;1", &rv));
NS_ENSURE_SUCCESS(rv, rv);
rv = SetDocShell(docShell);
NS_ENSURE_SUCCESS(rv, rv);
// get the system default window background colour
LookAndFeel::GetColor(LookAndFeel::eColorID_WindowBackground,
&mBackgroundColor);
// the docshell has been set so we now have our listener registrars.
if (mListenerArray) {
// we had queued up some listeners, let's register them now.
uint32_t count = mListenerArray->Length();
uint32_t i = 0;
NS_ASSERTION(count > 0, "array construction problem");
while (i < count) {
nsWebBrowserListenerState& state = mListenerArray->ElementAt(i);
nsCOMPtr<nsISupports> listener = do_QueryReferent(state.mWeakPtr);
NS_ASSERTION(listener, "bad listener");
(void)BindListener(listener, state.mID);
i++;
}
mListenerArray = nullptr;
}
// HACK ALERT - this registration registers the nsDocShellTreeOwner as a
// nsIWebBrowserListener so it can setup its MouseListener in one of the
// progress callbacks. If we can register the MouseListener another way, this
// registration can go away, and nsDocShellTreeOwner can stop implementing
// nsIWebProgressListener.
nsCOMPtr<nsISupports> supports = nullptr;
(void)mDocShellTreeOwner->QueryInterface(
NS_GET_IID(nsIWebProgressListener),
static_cast<void**>(getter_AddRefs(supports)));
(void)BindListener(supports, NS_GET_IID(nsIWebProgressListener));
NS_ENSURE_SUCCESS(mDocShellAsWin->InitWindow(nullptr, docShellParentWidget,
mInitInfo->x, mInitInfo->y,
mInitInfo->cx, mInitInfo->cy),
NS_ERROR_FAILURE);
mDocShell->SetName(mInitInfo->name);
if (mContentType == typeChromeWrapper) {
mDocShell->SetItemType(nsIDocShellTreeItem::typeChrome);
} else {
mDocShell->SetItemType(nsIDocShellTreeItem::typeContent);
}
mDocShell->SetTreeOwner(mDocShellTreeOwner);
// If the webbrowser is a content docshell item then we won't hear any
// events from subframes. To solve that we install our own chrome event
// handler that always gets called (even for subframes) for any bubbling
// event.
if (!mInitInfo->sessionHistory) {
mInitInfo->sessionHistory = do_CreateInstance(NS_SHISTORY_CONTRACTID, &rv);
NS_ENSURE_SUCCESS(rv, rv);
}
mDocShellAsNav->SetSessionHistory(mInitInfo->sessionHistory);
if (XRE_IsParentProcess()) {
// Hook up global history. Do not fail if we can't - just warn.
rv = EnableGlobalHistory(mShouldEnableHistory);
NS_WARN_IF_FALSE(NS_SUCCEEDED(rv), "EnableGlobalHistory() failed");
}
NS_ENSURE_SUCCESS(mDocShellAsWin->Create(), NS_ERROR_FAILURE);
// Hook into the OnSecurityChange() notification for lock/unlock icon
// updates
nsCOMPtr<nsIDOMWindow> domWindow;
rv = GetContentDOMWindow(getter_AddRefs(domWindow));
if (NS_SUCCEEDED(rv)) {
// this works because the implementation of nsISecureBrowserUI
// (nsSecureBrowserUIImpl) gets a docShell from the domWindow,
// and calls docShell->SetSecurityUI(this);
nsCOMPtr<nsISecureBrowserUI> securityUI =
do_CreateInstance(NS_SECURE_BROWSER_UI_CONTRACTID, &rv);
if (NS_SUCCEEDED(rv)) {
securityUI->Init(domWindow);
}
}
mDocShellTreeOwner->AddToWatcher(); // evil twin of Remove in SetDocShell(0)
mDocShellTreeOwner->AddChromeListeners();
mInitInfo = nullptr;
return NS_OK;
}
NS_IMETHODIMP
nsWebBrowser::Destroy()
{
InternalDestroy();
if (!mInitInfo) {
mInitInfo = new nsWebBrowserInitInfo();
}
return NS_OK;
}
NS_IMETHODIMP
nsWebBrowser::GetUnscaledDevicePixelsPerCSSPixel(double* aScale)
{
*aScale = mParentWidget ? mParentWidget->GetDefaultScale().scale : 1.0;
return NS_OK;
}
NS_IMETHODIMP
nsWebBrowser::SetPosition(int32_t aX, int32_t aY)
{
int32_t cx = 0;
int32_t cy = 0;
GetSize(&cx, &cy);
return SetPositionAndSize(aX, aY, cx, cy, false);
}
NS_IMETHODIMP
nsWebBrowser::GetPosition(int32_t* aX, int32_t* aY)
{
return GetPositionAndSize(aX, aY, nullptr, nullptr);
}
NS_IMETHODIMP
nsWebBrowser::SetSize(int32_t aCX, int32_t aCY, bool aRepaint)
{
int32_t x = 0;
int32_t y = 0;
GetPosition(&x, &y);
return SetPositionAndSize(x, y, aCX, aCY, aRepaint);
}
NS_IMETHODIMP
nsWebBrowser::GetSize(int32_t* aCX, int32_t* aCY)
{
return GetPositionAndSize(nullptr, nullptr, aCX, aCY);
}
NS_IMETHODIMP
nsWebBrowser::SetPositionAndSize(int32_t aX, int32_t aY,
int32_t aCX, int32_t aCY, bool aRepaint)
{
if (!mDocShell) {
mInitInfo->x = aX;
mInitInfo->y = aY;
mInitInfo->cx = aCX;
mInitInfo->cy = aCY;
} else {
int32_t doc_x = aX;
int32_t doc_y = aY;
// If there is an internal widget we need to make the docShell coordinates
// relative to the internal widget rather than the calling app's parent.
// We also need to resize our widget then.
if (mInternalWidget) {
doc_x = doc_y = 0;
NS_ENSURE_SUCCESS(mInternalWidget->Resize(aX, aY, aCX, aCY, aRepaint),
NS_ERROR_FAILURE);
}
// Now reposition/ resize the doc
NS_ENSURE_SUCCESS(
mDocShellAsWin->SetPositionAndSize(doc_x, doc_y, aCX, aCY, aRepaint),
NS_ERROR_FAILURE);
}
return NS_OK;
}
NS_IMETHODIMP
nsWebBrowser::GetPositionAndSize(int32_t* aX, int32_t* aY,
int32_t* aCX, int32_t* aCY)
{
if (!mDocShell) {
if (aX) {
*aX = mInitInfo->x;
}
if (aY) {
*aY = mInitInfo->y;
}
if (aCX) {
*aCX = mInitInfo->cx;
}
if (aCY) {
*aCY = mInitInfo->cy;
}
} else if (mInternalWidget) {
nsIntRect bounds;
NS_ENSURE_SUCCESS(mInternalWidget->GetBounds(bounds), NS_ERROR_FAILURE);
if (aX) {
*aX = bounds.x;
}
if (aY) {
*aY = bounds.y;
}
if (aCX) {
*aCX = bounds.width;
}
if (aCY) {
*aCY = bounds.height;
}
return NS_OK;
} else {
// Can directly return this as it is the
// same interface, thus same returns.
return mDocShellAsWin->GetPositionAndSize(aX, aY, aCX, aCY);
}
return NS_OK;
}
NS_IMETHODIMP
nsWebBrowser::Repaint(bool aForce)
{
NS_ENSURE_STATE(mDocShell);
// Can directly return this as it is the
// same interface, thus same returns.
return mDocShellAsWin->Repaint(aForce);
}
NS_IMETHODIMP
nsWebBrowser::GetParentWidget(nsIWidget** aParentWidget)
{
NS_ENSURE_ARG_POINTER(aParentWidget);
*aParentWidget = mParentWidget;
NS_IF_ADDREF(*aParentWidget);
return NS_OK;
}
NS_IMETHODIMP
nsWebBrowser::SetParentWidget(nsIWidget* aParentWidget)
{
NS_ENSURE_STATE(!mDocShell);
mParentWidget = aParentWidget;
if (mParentWidget) {
mParentNativeWindow = mParentWidget->GetNativeData(NS_NATIVE_WIDGET);
} else {
mParentNativeWindow = nullptr;
}
return NS_OK;
}
NS_IMETHODIMP
nsWebBrowser::GetParentNativeWindow(nativeWindow* aParentNativeWindow)
{
NS_ENSURE_ARG_POINTER(aParentNativeWindow);
*aParentNativeWindow = mParentNativeWindow;
return NS_OK;
}
NS_IMETHODIMP
nsWebBrowser::SetParentNativeWindow(nativeWindow aParentNativeWindow)
{
NS_ENSURE_STATE(!mDocShell);
mParentNativeWindow = aParentNativeWindow;
return NS_OK;
}
NS_IMETHODIMP
nsWebBrowser::GetNativeHandle(nsAString& aNativeHandle)
{
// the nativeHandle should be accessed from nsIXULWindow
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
nsWebBrowser::GetVisibility(bool* aVisibility)
{
NS_ENSURE_ARG_POINTER(aVisibility);
if (!mDocShell) {
*aVisibility = mInitInfo->visible;
} else {
NS_ENSURE_SUCCESS(mDocShellAsWin->GetVisibility(aVisibility),
NS_ERROR_FAILURE);
}
return NS_OK;
}
NS_IMETHODIMP
nsWebBrowser::SetVisibility(bool aVisibility)
{
if (!mDocShell) {
mInitInfo->visible = aVisibility;
} else {
NS_ENSURE_SUCCESS(mDocShellAsWin->SetVisibility(aVisibility),
NS_ERROR_FAILURE);
if (mInternalWidget) {
mInternalWidget->Show(aVisibility);
}
}
return NS_OK;
}
NS_IMETHODIMP
nsWebBrowser::GetEnabled(bool* aEnabled)
{
if (mInternalWidget) {
*aEnabled = mInternalWidget->IsEnabled();
return NS_OK;
}
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsWebBrowser::SetEnabled(bool aEnabled)
{
if (mInternalWidget) {
return mInternalWidget->Enable(aEnabled);
}
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsWebBrowser::GetMainWidget(nsIWidget** aMainWidget)
{
NS_ENSURE_ARG_POINTER(aMainWidget);
if (mInternalWidget) {
*aMainWidget = mInternalWidget;
} else {
*aMainWidget = mParentWidget;
}
NS_IF_ADDREF(*aMainWidget);
return NS_OK;
}
NS_IMETHODIMP
nsWebBrowser::SetFocus()
{
nsCOMPtr<nsIDOMWindow> window = GetWindow();
NS_ENSURE_TRUE(window, NS_ERROR_FAILURE);
nsCOMPtr<nsIFocusManager> fm = do_GetService(FOCUSMANAGER_CONTRACTID);
return fm ? fm->SetFocusedWindow(window) : NS_OK;
}
NS_IMETHODIMP
nsWebBrowser::GetTitle(char16_t** aTitle)
{
NS_ENSURE_ARG_POINTER(aTitle);
NS_ENSURE_STATE(mDocShell);
NS_ENSURE_SUCCESS(mDocShellAsWin->GetTitle(aTitle), NS_ERROR_FAILURE);
return NS_OK;
}
NS_IMETHODIMP
nsWebBrowser::SetTitle(const char16_t* aTitle)
{
NS_ENSURE_STATE(mDocShell);
NS_ENSURE_SUCCESS(mDocShellAsWin->SetTitle(aTitle), NS_ERROR_FAILURE);
return NS_OK;
}
//*****************************************************************************
// nsWebBrowser::nsIScrollable
//*****************************************************************************
NS_IMETHODIMP
nsWebBrowser::GetDefaultScrollbarPreferences(int32_t aScrollOrientation,
int32_t* aScrollbarPref)
{
NS_ENSURE_STATE(mDocShell);
return mDocShellAsScrollable->GetDefaultScrollbarPreferences(
aScrollOrientation, aScrollbarPref);
}
NS_IMETHODIMP
nsWebBrowser::SetDefaultScrollbarPreferences(int32_t aScrollOrientation,
int32_t aScrollbarPref)
{
NS_ENSURE_STATE(mDocShell);
return mDocShellAsScrollable->SetDefaultScrollbarPreferences(
aScrollOrientation, aScrollbarPref);
}
NS_IMETHODIMP
nsWebBrowser::GetScrollbarVisibility(bool* aVerticalVisible,
bool* aHorizontalVisible)
{
NS_ENSURE_STATE(mDocShell);
return mDocShellAsScrollable->GetScrollbarVisibility(aVerticalVisible,
aHorizontalVisible);
}
//*****************************************************************************
// nsWebBrowser::nsITextScroll
//*****************************************************************************
NS_IMETHODIMP
nsWebBrowser::ScrollByLines(int32_t aNumLines)
{
NS_ENSURE_STATE(mDocShell);
return mDocShellAsTextScroll->ScrollByLines(aNumLines);
}
NS_IMETHODIMP
nsWebBrowser::ScrollByPages(int32_t aNumPages)
{
NS_ENSURE_STATE(mDocShell);
return mDocShellAsTextScroll->ScrollByPages(aNumPages);
}
//*****************************************************************************
// nsWebBrowser: Listener Helpers
//*****************************************************************************
NS_IMETHODIMP
nsWebBrowser::SetDocShell(nsIDocShell* aDocShell)
{
nsCOMPtr<nsIDocShell> kungFuDeathGrip(mDocShell);
if (aDocShell) {
NS_ENSURE_TRUE(!mDocShell, NS_ERROR_FAILURE);
nsCOMPtr<nsIInterfaceRequestor> req(do_QueryInterface(aDocShell));
nsCOMPtr<nsIBaseWindow> baseWin(do_QueryInterface(aDocShell));
nsCOMPtr<nsIWebNavigation> nav(do_QueryInterface(aDocShell));
nsCOMPtr<nsIScrollable> scrollable(do_QueryInterface(aDocShell));
nsCOMPtr<nsITextScroll> textScroll(do_QueryInterface(aDocShell));
nsCOMPtr<nsIWebProgress> progress(do_GetInterface(aDocShell));
NS_ENSURE_TRUE(req && baseWin && nav && scrollable && textScroll && progress,
NS_ERROR_FAILURE);
mDocShell = aDocShell;
mDocShellAsReq = req;
mDocShellAsWin = baseWin;
mDocShellAsNav = nav;
mDocShellAsScrollable = scrollable;
mDocShellAsTextScroll = textScroll;
mWebProgress = progress;
// By default, do not allow DNS prefetch, so we don't break our frozen
// API. Embeddors who decide to enable it should do so manually.
mDocShell->SetAllowDNSPrefetch(false);
// It's possible to call setIsActive() on us before we have a docshell.
// If we're getting a docshell now, pass along our desired value. The
// default here (true) matches the default of the docshell, so this is
// a no-op unless setIsActive(false) has been called on us.
mDocShell->SetIsActive(mIsActive);
} else {
if (mDocShellTreeOwner) {
mDocShellTreeOwner->RemoveFromWatcher(); // evil twin of Add in Create()
}
if (mDocShellAsWin) {
mDocShellAsWin->Destroy();
}
mDocShell = nullptr;
mDocShellAsReq = nullptr;
mDocShellAsWin = nullptr;
mDocShellAsNav = nullptr;
mDocShellAsScrollable = nullptr;
mDocShellAsTextScroll = nullptr;
mWebProgress = nullptr;
}
return NS_OK;
}
NS_IMETHODIMP
nsWebBrowser::EnsureDocShellTreeOwner()
{
if (mDocShellTreeOwner) {
return NS_OK;
}
mDocShellTreeOwner = new nsDocShellTreeOwner();
mDocShellTreeOwner->WebBrowser(this);
return NS_OK;
}
static void
DrawPaintedLayer(PaintedLayer* aLayer,
gfxContext* aContext,
const nsIntRegion& aRegionToDraw,
const nsIntRegion* aDirtyRegion,
DrawRegionClip aClip,
const nsIntRegion& aRegionToInvalidate,
void* aCallbackData)
{
DrawTarget& aDrawTarget = *aContext->GetDrawTarget();
ColorPattern color(ToDeviceColor(*static_cast<nscolor*>(aCallbackData)));
nsIntRect dirtyRect = aRegionToDraw.GetBounds();
aDrawTarget.FillRect(
Rect(dirtyRect.x, dirtyRect.y, dirtyRect.width, dirtyRect.height), color);
}
void
nsWebBrowser::WindowRaised(nsIWidget* aWidget)
{
#if defined(DEBUG_smaug)
nsCOMPtr<nsIDocument> document = mDocShell->GetDocument();
nsAutoString documentURI;
document->GetDocumentURI(documentURI);
printf("nsWebBrowser::NS_ACTIVATE %p %s\n", (void*)this,
NS_ConvertUTF16toUTF8(documentURI).get());
#endif
Activate();
}
void
nsWebBrowser::WindowLowered(nsIWidget* aWidget)
{
#if defined(DEBUG_smaug)
nsCOMPtr<nsIDocument> document = mDocShell->GetDocument();
nsAutoString documentURI;
document->GetDocumentURI(documentURI);
printf("nsWebBrowser::NS_DEACTIVATE %p %s\n", (void*)this,
NS_ConvertUTF16toUTF8(documentURI).get());
#endif
Deactivate();
}
bool
nsWebBrowser::PaintWindow(nsIWidget* aWidget, nsIntRegion aRegion)
{
LayerManager* layerManager = aWidget->GetLayerManager();
NS_ASSERTION(layerManager, "Must be in paint event");
layerManager->BeginTransaction();
nsRefPtr<PaintedLayer> root = layerManager->CreatePaintedLayer();
if (root) {
nsIntRect dirtyRect = aRegion.GetBounds();
root->SetVisibleRegion(dirtyRect);
layerManager->SetRoot(root);
}
layerManager->EndTransaction(DrawPaintedLayer, &mBackgroundColor);
return true;
}
NS_IMETHODIMP
nsWebBrowser::GetPrimaryContentWindow(nsIDOMWindow** aDOMWindow)
{
*aDOMWindow = nullptr;
nsCOMPtr<nsIDocShellTreeItem> item;
NS_ENSURE_TRUE(mDocShellTreeOwner, NS_ERROR_FAILURE);
mDocShellTreeOwner->GetPrimaryContentShell(getter_AddRefs(item));
NS_ENSURE_TRUE(item, NS_ERROR_FAILURE);
nsCOMPtr<nsIDocShell> docShell;
docShell = do_QueryInterface(item);
NS_ENSURE_TRUE(docShell, NS_ERROR_FAILURE);
nsCOMPtr<nsIDOMWindow> domWindow = docShell->GetWindow();
NS_ENSURE_TRUE(domWindow, NS_ERROR_FAILURE);
*aDOMWindow = domWindow;
NS_ADDREF(*aDOMWindow);
return NS_OK;
}
//*****************************************************************************
// nsWebBrowser::nsIWebBrowserFocus
//*****************************************************************************
NS_IMETHODIMP
nsWebBrowser::Activate(void)
{
nsCOMPtr<nsIFocusManager> fm = do_GetService(FOCUSMANAGER_CONTRACTID);
nsCOMPtr<nsIDOMWindow> window = GetWindow();
if (fm && window) {
return fm->WindowRaised(window);
}
return NS_OK;
}
NS_IMETHODIMP
nsWebBrowser::Deactivate(void)
{
nsCOMPtr<nsIFocusManager> fm = do_GetService(FOCUSMANAGER_CONTRACTID);
nsCOMPtr<nsIDOMWindow> window = GetWindow();
if (fm && window) {
return fm->WindowLowered(window);
}
return NS_OK;
}
NS_IMETHODIMP
nsWebBrowser::SetFocusAtFirstElement(void)
{
return NS_OK;
}
NS_IMETHODIMP
nsWebBrowser::SetFocusAtLastElement(void)
{
return NS_OK;
}
NS_IMETHODIMP
nsWebBrowser::GetFocusedWindow(nsIDOMWindow** aFocusedWindow)
{
NS_ENSURE_ARG_POINTER(aFocusedWindow);
*aFocusedWindow = nullptr;
NS_ENSURE_TRUE(mDocShell, NS_ERROR_FAILURE);
nsCOMPtr<nsIDOMWindow> window = mDocShell->GetWindow();
NS_ENSURE_TRUE(window, NS_ERROR_FAILURE);
nsCOMPtr<nsIDOMElement> focusedElement;
nsCOMPtr<nsIFocusManager> fm = do_GetService(FOCUSMANAGER_CONTRACTID);
return fm ? fm->GetFocusedElementForWindow(window, true, aFocusedWindow,
getter_AddRefs(focusedElement)) :
NS_OK;
}
NS_IMETHODIMP
nsWebBrowser::SetFocusedWindow(nsIDOMWindow* aFocusedWindow)
{
nsCOMPtr<nsIFocusManager> fm = do_GetService(FOCUSMANAGER_CONTRACTID);
return fm ? fm->SetFocusedWindow(aFocusedWindow) : NS_OK;
}
NS_IMETHODIMP
nsWebBrowser::GetFocusedElement(nsIDOMElement** aFocusedElement)
{
NS_ENSURE_ARG_POINTER(aFocusedElement);
NS_ENSURE_TRUE(mDocShell, NS_ERROR_FAILURE);
nsCOMPtr<nsIDOMWindow> window = mDocShell->GetWindow();
NS_ENSURE_TRUE(window, NS_ERROR_FAILURE);
nsCOMPtr<nsIFocusManager> fm = do_GetService(FOCUSMANAGER_CONTRACTID);
return
fm ? fm->GetFocusedElementForWindow(window, true, nullptr, aFocusedElement) :
NS_OK;
}
NS_IMETHODIMP
nsWebBrowser::SetFocusedElement(nsIDOMElement* aFocusedElement)
{
nsCOMPtr<nsIFocusManager> fm = do_GetService(FOCUSMANAGER_CONTRACTID);
return fm ? fm->SetFocus(aFocusedElement, 0) : NS_OK;
}
//*****************************************************************************
// nsWebBrowser::nsIWebBrowserStream
//*****************************************************************************
NS_IMETHODIMP
nsWebBrowser::OpenStream(nsIURI* aBaseURI, const nsACString& aContentType)
{
nsresult rv;
if (!mStream) {
mStream = new nsEmbedStream();
mStream->InitOwner(this);
rv = mStream->Init();
if (NS_FAILED(rv)) {
return rv;
}
}
return mStream->OpenStream(aBaseURI, aContentType);
}
NS_IMETHODIMP
nsWebBrowser::AppendToStream(const uint8_t* aData, uint32_t aLen)
{
if (!mStream) {
return NS_ERROR_FAILURE;
}
return mStream->AppendToStream(aData, aLen);
}
NS_IMETHODIMP
nsWebBrowser::CloseStream()
{
nsresult rv;
if (!mStream) {
return NS_ERROR_FAILURE;
}
rv = mStream->CloseStream();
mStream = nullptr;
return rv;
}
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