diff options
Diffstat (limited to 'xpfe/appshell/nsContentTreeOwner.cpp')
| -rw-r--r-- | xpfe/appshell/nsContentTreeOwner.cpp | 664 |
1 files changed, 664 insertions, 0 deletions
diff --git a/xpfe/appshell/nsContentTreeOwner.cpp b/xpfe/appshell/nsContentTreeOwner.cpp new file mode 100644 index 0000000000..72fa807bba --- /dev/null +++ b/xpfe/appshell/nsContentTreeOwner.cpp @@ -0,0 +1,664 @@ +/* -*- Mode: C++; tab-width: 3; indent-tabs-mode: nil; c-basic-offset: 2 -*- + * vim: set ts=2 sw=2 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/. */ + +// Local Includes +#include "nsContentTreeOwner.h" +#include "AppWindow.h" + +// Interfaces needed to be included +#include "nsGlobalWindowOuter.h" +#include "nsIDOMWindow.h" +#include "nsIBrowserDOMWindow.h" +#include "nsIOpenWindowInfo.h" +#include "nsIPrompt.h" +#include "nsIAuthPrompt.h" +#include "nsIXULBrowserWindow.h" +#include "nsIPrincipal.h" +#include "nsIURIFixup.h" +#include "nsIWebNavigation.h" +#include "nsDocShellCID.h" +#include "nsIMIMEInfo.h" +#include "nsIWidget.h" +#include "nsWindowWatcher.h" +#include "nsIWindowMediator.h" +#include "mozilla/Components.h" +#include "mozilla/NullPrincipal.h" +#include "nsDocShell.h" +#include "nsDocShellLoadState.h" +#include "nsQueryActor.h" + +#include "nsIScriptObjectPrincipal.h" +#include "nsIURI.h" +#include "mozilla/dom/Document.h" +#if defined(XP_MACOSX) +# include "nsThreadUtils.h" +#endif + +#include "mozilla/Preferences.h" +#include "mozilla/Try.h" +#include "mozilla/dom/Element.h" +#include "mozilla/dom/ScriptSettings.h" +#include "mozilla/dom/UserActivation.h" + +using namespace mozilla; + +//***************************************************************************** +//*** nsContentTreeOwner: Object Management +//***************************************************************************** + +nsContentTreeOwner::nsContentTreeOwner(bool fPrimary) + : mAppWindow(nullptr), mPrimary(fPrimary) {} + +//***************************************************************************** +// nsContentTreeOwner::nsISupports +//***************************************************************************** + +NS_IMPL_ADDREF(nsContentTreeOwner) +NS_IMPL_RELEASE(nsContentTreeOwner) + +NS_INTERFACE_MAP_BEGIN(nsContentTreeOwner) + NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIDocShellTreeOwner) + NS_INTERFACE_MAP_ENTRY(nsIDocShellTreeOwner) + NS_INTERFACE_MAP_ENTRY(nsIBaseWindow) + NS_INTERFACE_MAP_ENTRY(nsIWebBrowserChrome) + NS_INTERFACE_MAP_ENTRY(nsIInterfaceRequestor) + NS_INTERFACE_MAP_ENTRY(nsIWindowProvider) +NS_INTERFACE_MAP_END + +//***************************************************************************** +// nsContentTreeOwner::nsIInterfaceRequestor +//***************************************************************************** + +NS_IMETHODIMP nsContentTreeOwner::GetInterface(const nsIID& aIID, + void** aSink) { + NS_ENSURE_ARG_POINTER(aSink); + *aSink = nullptr; + + if (aIID.Equals(NS_GET_IID(nsIPrompt))) { + NS_ENSURE_STATE(mAppWindow); + return mAppWindow->GetInterface(aIID, aSink); + } + if (aIID.Equals(NS_GET_IID(nsIAuthPrompt))) { + NS_ENSURE_STATE(mAppWindow); + return mAppWindow->GetInterface(aIID, aSink); + } + if (aIID.Equals(NS_GET_IID(nsIDocShellTreeItem))) { + NS_ENSURE_STATE(mAppWindow); + nsCOMPtr<nsIDocShell> shell; + mAppWindow->GetDocShell(getter_AddRefs(shell)); + if (shell) return shell->QueryInterface(aIID, aSink); + return NS_ERROR_FAILURE; + } + + if (aIID.Equals(NS_GET_IID(nsIDOMWindow)) || + aIID.Equals(NS_GET_IID(nsPIDOMWindowOuter))) { + NS_ENSURE_STATE(mAppWindow); + nsCOMPtr<nsIDocShellTreeItem> shell; + mAppWindow->GetPrimaryContentShell(getter_AddRefs(shell)); + if (shell) { + nsCOMPtr<nsIInterfaceRequestor> thing(do_QueryInterface(shell)); + if (thing) return thing->GetInterface(aIID, aSink); + } + return NS_ERROR_FAILURE; + } + + if (aIID.Equals(NS_GET_IID(nsIAppWindow))) { + NS_ENSURE_STATE(mAppWindow); + return mAppWindow->QueryInterface(aIID, aSink); + } + + return QueryInterface(aIID, aSink); +} + +//***************************************************************************** +// nsContentTreeOwner::nsIDocShellTreeOwner +//***************************************************************************** + +NS_IMETHODIMP +nsContentTreeOwner::ContentShellAdded(nsIDocShellTreeItem* aContentShell, + bool aPrimary) { + NS_ENSURE_STATE(mAppWindow); + return mAppWindow->ContentShellAdded(aContentShell, aPrimary); +} + +NS_IMETHODIMP +nsContentTreeOwner::ContentShellRemoved(nsIDocShellTreeItem* aContentShell) { + NS_ENSURE_STATE(mAppWindow); + return mAppWindow->ContentShellRemoved(aContentShell); +} + +NS_IMETHODIMP +nsContentTreeOwner::GetPrimaryContentShell(nsIDocShellTreeItem** aShell) { + NS_ENSURE_STATE(mAppWindow); + return mAppWindow->GetPrimaryContentShell(aShell); +} + +NS_IMETHODIMP +nsContentTreeOwner::RemoteTabAdded(nsIRemoteTab* aTab, bool aPrimary) { + NS_ENSURE_STATE(mAppWindow); + return mAppWindow->RemoteTabAdded(aTab, aPrimary); +} + +NS_IMETHODIMP +nsContentTreeOwner::RemoteTabRemoved(nsIRemoteTab* aTab) { + NS_ENSURE_STATE(mAppWindow); + return mAppWindow->RemoteTabRemoved(aTab); +} + +NS_IMETHODIMP +nsContentTreeOwner::GetPrimaryRemoteTab(nsIRemoteTab** aTab) { + NS_ENSURE_STATE(mAppWindow); + return mAppWindow->GetPrimaryRemoteTab(aTab); +} + +NS_IMETHODIMP +nsContentTreeOwner::GetPrimaryContentBrowsingContext( + mozilla::dom::BrowsingContext** aBc) { + NS_ENSURE_STATE(mAppWindow); + return mAppWindow->GetPrimaryContentBrowsingContext(aBc); +} + +NS_IMETHODIMP +nsContentTreeOwner::GetPrimaryContentSize(int32_t* aWidth, int32_t* aHeight) { + NS_ENSURE_STATE(mAppWindow); + return mAppWindow->GetPrimaryContentSize(aWidth, aHeight); +} + +NS_IMETHODIMP +nsContentTreeOwner::SetPrimaryContentSize(int32_t aWidth, int32_t aHeight) { + NS_ENSURE_STATE(mAppWindow); + return mAppWindow->SetPrimaryContentSize(aWidth, aHeight); +} + +NS_IMETHODIMP +nsContentTreeOwner::GetRootShellSize(int32_t* aWidth, int32_t* aHeight) { + NS_ENSURE_STATE(mAppWindow); + return mAppWindow->GetRootShellSize(aWidth, aHeight); +} + +NS_IMETHODIMP +nsContentTreeOwner::SetRootShellSize(int32_t aWidth, int32_t aHeight) { + NS_ENSURE_STATE(mAppWindow); + return mAppWindow->SetRootShellSize(aWidth, aHeight); +} + +NS_IMETHODIMP nsContentTreeOwner::SizeShellTo(nsIDocShellTreeItem* aShellItem, + int32_t aCX, int32_t aCY) { + NS_ENSURE_STATE(mAppWindow); + return mAppWindow->SizeShellTo(aShellItem, aCX, aCY); +} + +NS_IMETHODIMP +nsContentTreeOwner::SetPersistence(bool aPersistPosition, bool aPersistSize, + bool aPersistSizeMode) { + NS_ENSURE_STATE(mAppWindow); + nsCOMPtr<dom::Element> docShellElement = mAppWindow->GetWindowDOMElement(); + if (!docShellElement) return NS_ERROR_FAILURE; + + nsAutoString persistString; + docShellElement->GetAttr(nsGkAtoms::persist, persistString); + + bool saveString = false; + int32_t index; + + // Set X + index = persistString.Find(u"screenX"); + if (!aPersistPosition && index >= 0) { + persistString.Cut(index, 7); + saveString = true; + } else if (aPersistPosition && index < 0) { + persistString.AppendLiteral(" screenX"); + saveString = true; + } + // Set Y + index = persistString.Find(u"screenY"); + if (!aPersistPosition && index >= 0) { + persistString.Cut(index, 7); + saveString = true; + } else if (aPersistPosition && index < 0) { + persistString.AppendLiteral(" screenY"); + saveString = true; + } + // Set CX + index = persistString.Find(u"width"); + if (!aPersistSize && index >= 0) { + persistString.Cut(index, 5); + saveString = true; + } else if (aPersistSize && index < 0) { + persistString.AppendLiteral(" width"); + saveString = true; + } + // Set CY + index = persistString.Find(u"height"); + if (!aPersistSize && index >= 0) { + persistString.Cut(index, 6); + saveString = true; + } else if (aPersistSize && index < 0) { + persistString.AppendLiteral(" height"); + saveString = true; + } + // Set SizeMode + index = persistString.Find(u"sizemode"); + if (!aPersistSizeMode && (index >= 0)) { + persistString.Cut(index, 8); + saveString = true; + } else if (aPersistSizeMode && (index < 0)) { + persistString.AppendLiteral(" sizemode"); + saveString = true; + } + + ErrorResult rv; + if (saveString) { + docShellElement->SetAttribute(u"persist"_ns, persistString, rv); + } + + return NS_OK; +} + +NS_IMETHODIMP +nsContentTreeOwner::GetPersistence(bool* aPersistPosition, bool* aPersistSize, + bool* aPersistSizeMode) { + NS_ENSURE_STATE(mAppWindow); + nsCOMPtr<dom::Element> docShellElement = mAppWindow->GetWindowDOMElement(); + if (!docShellElement) return NS_ERROR_FAILURE; + + nsAutoString persistString; + docShellElement->GetAttr(nsGkAtoms::persist, persistString); + + // data structure doesn't quite match the question, but it's close enough + // for what we want (since this method is never actually called...) + if (aPersistPosition) { + *aPersistPosition = persistString.Find(u"screenX") >= 0 || + persistString.Find(u"screenY") >= 0; + } + if (aPersistSize) { + *aPersistSize = + persistString.Find(u"width") >= 0 || persistString.Find(u"height") >= 0; + } + if (aPersistSizeMode) { + *aPersistSizeMode = persistString.Find(u"sizemode") >= 0; + } + + return NS_OK; +} + +NS_IMETHODIMP +nsContentTreeOwner::GetTabCount(uint32_t* aResult) { + if (mAppWindow) { + return mAppWindow->GetTabCount(aResult); + } + + *aResult = 0; + return NS_OK; +} + +NS_IMETHODIMP +nsContentTreeOwner::GetHasPrimaryContent(bool* aResult) { + NS_ENSURE_STATE(mAppWindow); + return mAppWindow->GetHasPrimaryContent(aResult); +} + +//***************************************************************************** +// nsContentTreeOwner::nsIWebBrowserChrome +//***************************************************************************** + +NS_IMETHODIMP nsContentTreeOwner::SetLinkStatus(const nsAString& aStatusText) { + NS_ENSURE_STATE(mAppWindow); + + nsCOMPtr<nsIXULBrowserWindow> xulBrowserWindow; + mAppWindow->GetXULBrowserWindow(getter_AddRefs(xulBrowserWindow)); + + if (xulBrowserWindow) { + xulBrowserWindow->SetOverLink(aStatusText); + } + + return NS_OK; +} + +NS_IMETHODIMP nsContentTreeOwner::SetChromeFlags(uint32_t aChromeFlags) { + NS_ENSURE_STATE(mAppWindow); + return mAppWindow->SetChromeFlags(aChromeFlags); +} + +NS_IMETHODIMP nsContentTreeOwner::GetChromeFlags(uint32_t* aChromeFlags) { + NS_ENSURE_STATE(mAppWindow); + return mAppWindow->GetChromeFlags(aChromeFlags); +} + +NS_IMETHODIMP nsContentTreeOwner::ShowAsModal() { + NS_ENSURE_STATE(mAppWindow); + return mAppWindow->ShowModal(); +} + +NS_IMETHODIMP nsContentTreeOwner::IsWindowModal(bool* _retval) { + NS_ENSURE_STATE(mAppWindow); + *_retval = mAppWindow->mContinueModalLoop; + return NS_OK; +} + +//***************************************************************************** +// nsContentTreeOwner::nsIBaseWindow +//***************************************************************************** + +NS_IMETHODIMP nsContentTreeOwner::InitWindow(nativeWindow aParentNativeWindow, + nsIWidget* parentWidget, int32_t x, + int32_t y, int32_t cx, + int32_t cy) { + // Ignore wigdet parents for now. Don't think those are a vaild thing to + // call. + NS_ENSURE_SUCCESS(SetPositionAndSize(x, y, cx, cy, 0), NS_ERROR_FAILURE); + + return NS_OK; +} + +NS_IMETHODIMP nsContentTreeOwner::Destroy() { + NS_ENSURE_STATE(mAppWindow); + return mAppWindow->Destroy(); +} + +double nsContentTreeOwner::GetWidgetCSSToDeviceScale() { + return mAppWindow ? mAppWindow->GetWidgetCSSToDeviceScale() : 1.0; +} + +NS_IMETHODIMP nsContentTreeOwner::GetDevicePixelsPerDesktopPixel( + double* aScale) { + NS_ENSURE_STATE(mAppWindow); + return mAppWindow->GetDevicePixelsPerDesktopPixel(aScale); +} + +NS_IMETHODIMP nsContentTreeOwner::SetPositionDesktopPix(int32_t aX, + int32_t aY) { + NS_ENSURE_STATE(mAppWindow); + return mAppWindow->SetPositionDesktopPix(aX, aY); +} + +NS_IMETHODIMP nsContentTreeOwner::SetPosition(int32_t aX, int32_t aY) { + NS_ENSURE_STATE(mAppWindow); + return mAppWindow->SetPosition(aX, aY); +} + +NS_IMETHODIMP nsContentTreeOwner::GetPosition(int32_t* aX, int32_t* aY) { + NS_ENSURE_STATE(mAppWindow); + return mAppWindow->GetPosition(aX, aY); +} + +NS_IMETHODIMP nsContentTreeOwner::SetSize(int32_t aCX, int32_t aCY, + bool aRepaint) { + NS_ENSURE_STATE(mAppWindow); + return mAppWindow->SetSize(aCX, aCY, aRepaint); +} + +NS_IMETHODIMP nsContentTreeOwner::GetSize(int32_t* aCX, int32_t* aCY) { + NS_ENSURE_STATE(mAppWindow); + return mAppWindow->GetSize(aCX, aCY); +} + +NS_IMETHODIMP nsContentTreeOwner::SetPositionAndSize(int32_t aX, int32_t aY, + int32_t aCX, int32_t aCY, + uint32_t aFlags) { + NS_ENSURE_STATE(mAppWindow); + return mAppWindow->SetPositionAndSize(aX, aY, aCX, aCY, aFlags); +} + +NS_IMETHODIMP nsContentTreeOwner::GetPositionAndSize(int32_t* aX, int32_t* aY, + int32_t* aCX, + int32_t* aCY) { + NS_ENSURE_STATE(mAppWindow); + return mAppWindow->GetPositionAndSize(aX, aY, aCX, aCY); +} + +NS_IMETHODIMP +nsContentTreeOwner::SetDimensions(DimensionRequest&& aRequest) { + NS_ENSURE_STATE(mAppWindow); + if (aRequest.mDimensionKind == DimensionKind::Outer) { + return mAppWindow->SetDimensions(std::move(aRequest)); + } + + MOZ_TRY(aRequest.SupplementFrom(this)); + return aRequest.ApplyInnerTo(this, /* aAsRootShell */ false); +} + +NS_IMETHODIMP +nsContentTreeOwner::GetDimensions(DimensionKind aDimensionKind, int32_t* aX, + int32_t* aY, int32_t* aCX, int32_t* aCY) { + NS_ENSURE_STATE(mAppWindow); + if (aDimensionKind == DimensionKind::Outer) { + return mAppWindow->GetDimensions(aDimensionKind, aX, aY, aCX, aCY); + } + if (aY || aX) { + return NS_ERROR_NOT_IMPLEMENTED; + } + return GetPrimaryContentSize(aCX, aCY); +} + +NS_IMETHODIMP nsContentTreeOwner::Repaint(bool aForce) { + NS_ENSURE_STATE(mAppWindow); + return mAppWindow->Repaint(aForce); +} + +NS_IMETHODIMP nsContentTreeOwner::GetParentWidget(nsIWidget** aParentWidget) { + NS_ENSURE_STATE(mAppWindow); + return mAppWindow->GetParentWidget(aParentWidget); +} + +NS_IMETHODIMP nsContentTreeOwner::SetParentWidget(nsIWidget* aParentWidget) { + NS_ASSERTION(false, "You can't call this"); + return NS_ERROR_NOT_IMPLEMENTED; +} + +NS_IMETHODIMP nsContentTreeOwner::GetParentNativeWindow( + nativeWindow* aParentNativeWindow) { + NS_ENSURE_STATE(mAppWindow); + return mAppWindow->GetParentNativeWindow(aParentNativeWindow); +} + +NS_IMETHODIMP nsContentTreeOwner::SetParentNativeWindow( + nativeWindow aParentNativeWindow) { + NS_ASSERTION(false, "You can't call this"); + return NS_ERROR_NOT_IMPLEMENTED; +} + +NS_IMETHODIMP nsContentTreeOwner::GetNativeHandle(nsAString& aNativeHandle) { + NS_ENSURE_STATE(mAppWindow); + return mAppWindow->GetNativeHandle(aNativeHandle); +} + +NS_IMETHODIMP nsContentTreeOwner::GetVisibility(bool* aVisibility) { + NS_ENSURE_STATE(mAppWindow); + return mAppWindow->GetVisibility(aVisibility); +} + +NS_IMETHODIMP nsContentTreeOwner::SetVisibility(bool aVisibility) { + NS_ENSURE_STATE(mAppWindow); + return mAppWindow->SetVisibility(aVisibility); +} + +NS_IMETHODIMP nsContentTreeOwner::GetEnabled(bool* aEnabled) { + NS_ENSURE_STATE(mAppWindow); + return mAppWindow->GetEnabled(aEnabled); +} + +NS_IMETHODIMP nsContentTreeOwner::SetEnabled(bool aEnable) { + NS_ENSURE_STATE(mAppWindow); + return mAppWindow->SetEnabled(aEnable); +} + +NS_IMETHODIMP nsContentTreeOwner::GetMainWidget(nsIWidget** aMainWidget) { + NS_ENSURE_ARG_POINTER(aMainWidget); + NS_ENSURE_STATE(mAppWindow); + + *aMainWidget = mAppWindow->mWindow; + NS_IF_ADDREF(*aMainWidget); + + return NS_OK; +} + +NS_IMETHODIMP nsContentTreeOwner::GetTitle(nsAString& aTitle) { + NS_ENSURE_STATE(mAppWindow); + + return mAppWindow->GetTitle(aTitle); +} + +NS_IMETHODIMP nsContentTreeOwner::SetTitle(const nsAString& aTitle) { + return NS_OK; +} + +//***************************************************************************** +// nsContentTreeOwner: nsIWindowProvider +//***************************************************************************** +NS_IMETHODIMP +nsContentTreeOwner::ProvideWindow( + nsIOpenWindowInfo* aOpenWindowInfo, uint32_t aChromeFlags, + bool aCalledFromJS, nsIURI* aURI, const nsAString& aName, + const nsACString& aFeatures, + const mozilla::dom::UserActivation::Modifiers& aModifiers, + bool aForceNoOpener, bool aForceNoReferrer, bool aIsPopupRequested, + nsDocShellLoadState* aLoadState, bool* aWindowIsNew, + dom::BrowsingContext** aReturn) { + NS_ENSURE_ARG_POINTER(aOpenWindowInfo); + + RefPtr<dom::BrowsingContext> parent = aOpenWindowInfo->GetParent(); + + *aReturn = nullptr; + + if (!mAppWindow) { + // Nothing to do here + return NS_OK; + } + +#ifdef DEBUG + nsCOMPtr<nsIDocShell> docshell = parent->GetDocShell(); + nsCOMPtr<nsIDocShellTreeOwner> parentOwner = do_GetInterface(docshell); + NS_ASSERTION( + SameCOMIdentity(parentOwner, static_cast<nsIDocShellTreeOwner*>(this)), + "Parent from wrong docshell tree?"); +#endif + + int32_t openLocation = nsWindowWatcher::GetWindowOpenLocation( + parent->GetDOMWindow(), aChromeFlags, aModifiers, aCalledFromJS, + aOpenWindowInfo->GetIsForPrinting()); + + if (openLocation != nsIBrowserDOMWindow::OPEN_NEWTAB && + openLocation != nsIBrowserDOMWindow::OPEN_NEWTAB_BACKGROUND && + openLocation != nsIBrowserDOMWindow::OPEN_CURRENTWINDOW && + openLocation != nsIBrowserDOMWindow::OPEN_PRINT_BROWSER) { + // Just open a window normally + return NS_OK; + } + + nsCOMPtr<mozIDOMWindowProxy> domWin; + mAppWindow->GetWindowDOMWindow(getter_AddRefs(domWin)); + if (!domWin || !nsGlobalWindowOuter::Cast(domWin)->IsChromeWindow()) { + // Really odd... but whatever + NS_WARNING("AppWindow's DOMWindow is not a chrome window"); + return NS_OK; + } + + nsCOMPtr<nsIBrowserDOMWindow> browserDOMWin = + nsGlobalWindowOuter::Cast(domWin)->GetBrowserDOMWindow(); + if (!browserDOMWin) { + return NS_OK; + } + + *aWindowIsNew = (openLocation != nsIBrowserDOMWindow::OPEN_CURRENTWINDOW); + + { + dom::AutoNoJSAPI nojsapi; + + uint32_t flags = nsIBrowserDOMWindow::OPEN_NEW; + if (aForceNoOpener) { + flags |= nsIBrowserDOMWindow::OPEN_NO_OPENER; + } + if (aForceNoReferrer) { + flags |= nsIBrowserDOMWindow::OPEN_NO_REFERRER; + } + + // Get a new rendering area from the browserDOMWin. + // Since we are not loading any URI, we follow the principle of least + // privilege and use a nullPrincipal as the triggeringPrincipal. + // + // This method handles setting the opener for us, so we don't need to set it + // ourselves. + RefPtr<NullPrincipal> nullPrincipal = + NullPrincipal::CreateWithoutOriginAttributes(); + return browserDOMWin->CreateContentWindow(aURI, aOpenWindowInfo, + openLocation, flags, + nullPrincipal, nullptr, aReturn); + } +} + +//***************************************************************************** +// nsContentTreeOwner: Accessors +//***************************************************************************** + +void nsContentTreeOwner::AppWindow(mozilla::AppWindow* aAppWindow) { + mAppWindow = aAppWindow; +} + +mozilla::AppWindow* nsContentTreeOwner::AppWindow() { return mAppWindow; } + +/* this implementation focuses another window. if there isn't another + window to focus, we do nothing. */ +NS_IMETHODIMP +nsContentTreeOwner::Blur() { + NS_DEFINE_CID(kWindowMediatorCID, NS_WINDOWMEDIATOR_CID); + + nsCOMPtr<nsISimpleEnumerator> windowEnumerator; + nsCOMPtr<nsIAppWindow> appWindow; + bool more, foundUs; + + { + nsCOMPtr<nsIWindowMediator> windowMediator( + do_GetService(kWindowMediatorCID)); + if (windowMediator) { + windowMediator->GetZOrderAppWindowEnumerator( + nullptr, true, getter_AddRefs(windowEnumerator)); + } + } + + if (!windowEnumerator) return NS_ERROR_FAILURE; + + // step through the top-level windows + foundUs = false; + windowEnumerator->HasMoreElements(&more); + while (more) { + nsCOMPtr<nsISupports> nextWindow; + nsCOMPtr<nsIAppWindow> nextAppWindow; + + windowEnumerator->GetNext(getter_AddRefs(nextWindow)); + nextAppWindow = do_QueryInterface(nextWindow); + + // got it!(?) + if (foundUs) { + appWindow = nextAppWindow; + break; + } + + // remember the very first one, in case we have to wrap + if (!appWindow) appWindow = nextAppWindow; + + // look for us + if (nextAppWindow == mAppWindow) { + foundUs = true; + } + + windowEnumerator->HasMoreElements(&more); + } + + // change focus to the window we just found + if (appWindow) { + nsCOMPtr<nsIDocShell> docshell; + appWindow->GetDocShell(getter_AddRefs(docshell)); + if (!docshell) { + return NS_OK; + } + + nsCOMPtr<nsPIDOMWindowOuter> domWindow = docshell->GetWindow(); + if (domWindow) domWindow->Focus(mozilla::dom::CallerType::System); + } + return NS_OK; +} |