mirror of
https://github.com/mozilla/gecko-dev.git
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6bfd255000
Firefox never uses this. TB could use the same approach Firefox uses, but for now on macOS the sheets become regular modal dialogs, which is the same as on Windows and Linux. See bug 1755330 and bug 1737489 for more context. Differential Revision: https://phabricator.services.mozilla.com/D204209
892 lines
29 KiB
C++
892 lines
29 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsIAppShellService.h"
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#include "nsNetUtil.h"
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#include "nsIObserverService.h"
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#include "nsIObserver.h"
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#include "nsIXULRuntime.h"
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#include "nsIWindowMediator.h"
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#include "nsPIWindowWatcher.h"
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#include "nsPIDOMWindow.h"
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#include "AppWindow.h"
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#include "mozilla/widget/InitData.h"
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#include "nsWidgetsCID.h"
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#include "nsIWidget.h"
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#include "nsAppDirectoryServiceDefs.h"
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#include "nsAppShellService.h"
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#include "nsContentUtils.h"
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#include "nsDirectoryServiceUtils.h"
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#include "nsThreadUtils.h"
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#include "nsILoadContext.h"
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#include "nsIWebNavigation.h"
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#include "nsIWindowlessBrowser.h"
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#include "mozilla/Attributes.h"
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#include "mozilla/Preferences.h"
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#include "mozilla/Services.h"
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#include "mozilla/StartupTimeline.h"
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#include "mozilla/StaticPrefs_browser.h"
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#include "mozilla/Try.h"
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#include "mozilla/intl/LocaleService.h"
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#include "mozilla/dom/BrowsingContext.h"
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#include "mozilla/dom/Document.h"
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#include "nsEmbedCID.h"
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#include "nsIWebBrowser.h"
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#include "nsIDocShell.h"
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#include "gfxPlatform.h"
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#include "nsWebBrowser.h"
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#include "nsDocShell.h"
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#include "nsDocShellLoadState.h"
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#ifdef MOZ_INSTRUMENT_EVENT_LOOP
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# include "EventTracer.h"
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#endif
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using namespace mozilla;
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using mozilla::dom::BrowsingContext;
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using mozilla::intl::LocaleService;
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// Default URL for the hidden window, can be overridden by a pref on Mac
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#define DEFAULT_HIDDENWINDOW_URL "resource://gre-resources/hiddenWindow.html"
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class nsIAppShell;
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nsAppShellService::nsAppShellService()
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: mXPCOMWillShutDown(false),
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mXPCOMShuttingDown(false),
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mModalWindowCount(0),
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mApplicationProvidedHiddenWindow(false),
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mScreenId(0) {
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nsCOMPtr<nsIObserverService> obs = services::GetObserverService();
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if (obs) {
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obs->AddObserver(this, "xpcom-will-shutdown", false);
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obs->AddObserver(this, "xpcom-shutdown", false);
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}
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}
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nsAppShellService::~nsAppShellService() {}
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/*
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* Implement the nsISupports methods...
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*/
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NS_IMPL_ISUPPORTS(nsAppShellService, nsIAppShellService, nsIObserver)
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NS_IMETHODIMP
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nsAppShellService::SetScreenId(uint32_t aScreenId) {
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mScreenId = aScreenId;
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return NS_OK;
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}
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void nsAppShellService::EnsureHiddenWindow() {
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if (!mHiddenWindow) {
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(void)CreateHiddenWindow();
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}
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}
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NS_IMETHODIMP
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nsAppShellService::CreateHiddenWindow() {
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if (!XRE_IsParentProcess()) {
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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if (mXPCOMShuttingDown) {
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return NS_ERROR_FAILURE;
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}
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if (mHiddenWindow) {
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return NS_OK;
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}
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nsCOMPtr<nsIFile> profileDir;
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NS_GetSpecialDirectory(NS_APP_USER_PROFILE_50_DIR,
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getter_AddRefs(profileDir));
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if (!profileDir) {
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// This is too early on startup to create the hidden window
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return NS_ERROR_FAILURE;
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}
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nsresult rv;
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int32_t initialHeight = 100, initialWidth = 100;
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#ifdef XP_MACOSX
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uint32_t chromeMask = 0;
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nsAutoCString prefVal;
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rv = Preferences::GetCString("browser.hiddenWindowChromeURL", prefVal);
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const char* hiddenWindowURL =
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NS_SUCCEEDED(rv) ? prefVal.get() : DEFAULT_HIDDENWINDOW_URL;
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mApplicationProvidedHiddenWindow = prefVal.get() ? true : false;
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#else
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static const char hiddenWindowURL[] = DEFAULT_HIDDENWINDOW_URL;
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uint32_t chromeMask = nsIWebBrowserChrome::CHROME_ALL;
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#endif
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nsCOMPtr<nsIURI> url;
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rv = NS_NewURI(getter_AddRefs(url), hiddenWindowURL);
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NS_ENSURE_SUCCESS(rv, rv);
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RefPtr<AppWindow> newWindow;
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rv = JustCreateTopWindow(nullptr, url, chromeMask, initialWidth,
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initialHeight, true, getter_AddRefs(newWindow));
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NS_ENSURE_SUCCESS(rv, rv);
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nsCOMPtr<nsIDocShell> docShell;
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newWindow->GetDocShell(getter_AddRefs(docShell));
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if (docShell) {
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Unused << docShell->GetBrowsingContext()->SetExplicitActive(
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dom::ExplicitActiveStatus::Inactive);
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}
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mHiddenWindow.swap(newWindow);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsAppShellService::DestroyHiddenWindow() {
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if (mHiddenWindow) {
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mHiddenWindow->Destroy();
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mHiddenWindow = nullptr;
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}
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return NS_OK;
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}
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/*
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* Create a new top level window and display the given URL within it...
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*/
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NS_IMETHODIMP
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nsAppShellService::CreateTopLevelWindow(nsIAppWindow* aParent, nsIURI* aUrl,
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uint32_t aChromeMask,
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int32_t aInitialWidth,
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int32_t aInitialHeight,
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nsIAppWindow** aResult) {
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nsresult rv;
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StartupTimeline::RecordOnce(StartupTimeline::CREATE_TOP_LEVEL_WINDOW);
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RefPtr<AppWindow> newWindow;
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rv = JustCreateTopWindow(aParent, aUrl, aChromeMask, aInitialWidth,
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aInitialHeight, false, getter_AddRefs(newWindow));
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newWindow.forget(aResult);
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if (NS_SUCCEEDED(rv)) {
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// the addref resulting from this is the owning addref for this window
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RegisterTopLevelWindow(*aResult);
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nsCOMPtr<nsIAppWindow> parent;
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if (aChromeMask & nsIWebBrowserChrome::CHROME_DEPENDENT) parent = aParent;
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(*aResult)->SetZLevel(CalculateWindowZLevel(parent, aChromeMask));
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}
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return rv;
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}
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/*
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* This class provides a stub implementation of nsIWebBrowserChrome, as needed
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* by nsAppShellService::CreateWindowlessBrowser
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*/
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class WebBrowserChrome2Stub final : public nsIWebBrowserChrome,
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public nsIInterfaceRequestor,
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public nsSupportsWeakReference {
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protected:
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nsCOMPtr<nsIWebBrowser> mBrowser;
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virtual ~WebBrowserChrome2Stub() = default;
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public:
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void SetBrowser(nsIWebBrowser* aBrowser) { mBrowser = aBrowser; }
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NS_DECL_ISUPPORTS
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NS_DECL_NSIWEBBROWSERCHROME
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NS_DECL_NSIINTERFACEREQUESTOR
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};
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NS_INTERFACE_MAP_BEGIN(WebBrowserChrome2Stub)
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NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIWebBrowserChrome)
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NS_INTERFACE_MAP_ENTRY(nsIWebBrowserChrome)
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NS_INTERFACE_MAP_ENTRY(nsIInterfaceRequestor)
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NS_INTERFACE_MAP_ENTRY(nsISupportsWeakReference)
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NS_INTERFACE_MAP_END
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NS_IMPL_ADDREF(WebBrowserChrome2Stub)
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NS_IMPL_RELEASE(WebBrowserChrome2Stub)
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NS_IMETHODIMP
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WebBrowserChrome2Stub::GetChromeFlags(uint32_t* aChromeFlags) {
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*aChromeFlags = 0;
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return NS_OK;
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}
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NS_IMETHODIMP
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WebBrowserChrome2Stub::SetChromeFlags(uint32_t aChromeFlags) {
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MOZ_ASSERT_UNREACHABLE(
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"WebBrowserChrome2Stub::SetChromeFlags is "
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"not supported");
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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NS_IMETHODIMP
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WebBrowserChrome2Stub::ShowAsModal() {
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MOZ_ASSERT_UNREACHABLE("WebBrowserChrome2Stub::ShowAsModal is not supported");
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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NS_IMETHODIMP
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WebBrowserChrome2Stub::IsWindowModal(bool* aResult) {
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*aResult = false;
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return NS_OK;
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}
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NS_IMETHODIMP
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WebBrowserChrome2Stub::SetLinkStatus(const nsAString& aStatusText) {
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return NS_OK;
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}
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NS_IMETHODIMP
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WebBrowserChrome2Stub::GetInterface(const nsIID& aIID, void** aSink) {
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return QueryInterface(aIID, aSink);
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}
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NS_IMETHODIMP
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WebBrowserChrome2Stub::GetDimensions(DimensionKind aDimensionKind, int32_t* aX,
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int32_t* aY, int32_t* aCX, int32_t* aCY) {
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if (aX) {
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*aX = 0;
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}
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if (aY) {
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*aY = 0;
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}
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if (aCX) {
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*aCX = 0;
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}
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if (aCY) {
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*aCY = 0;
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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WebBrowserChrome2Stub::SetDimensions(DimensionRequest&& aRequest) {
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nsCOMPtr<nsIBaseWindow> window(do_QueryInterface(mBrowser));
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NS_ENSURE_STATE(window);
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// Inner and outer dimensions are equal.
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aRequest.mDimensionKind = DimensionKind::Outer;
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MOZ_TRY(aRequest.SupplementFrom(window));
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return aRequest.ApplyOuterTo(window);
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}
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NS_IMETHODIMP
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WebBrowserChrome2Stub::Blur() { return NS_ERROR_NOT_IMPLEMENTED; }
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class BrowserDestroyer final : public Runnable {
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public:
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BrowserDestroyer(nsIWebBrowser* aBrowser, nsISupports* aContainer)
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: mozilla::Runnable("BrowserDestroyer"),
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mBrowser(aBrowser),
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mContainer(aContainer) {}
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static nsresult Destroy(nsIWebBrowser* aBrowser) {
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nsCOMPtr<nsIBaseWindow> window(do_QueryInterface(aBrowser));
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return window->Destroy();
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}
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NS_IMETHOD
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Run() override {
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// Explicitly destroy the browser, in case this isn't the last reference.
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return Destroy(mBrowser);
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}
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protected:
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virtual ~BrowserDestroyer() {}
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private:
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nsCOMPtr<nsIWebBrowser> mBrowser;
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nsCOMPtr<nsISupports> mContainer;
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};
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// This is the "stub" we return from CreateWindowlessBrowser - it exists
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// to manage the lifetimes of the nsIWebBrowser and container window.
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// In particular, it keeps a strong reference to both, to prevent them from
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// being collected while this object remains alive, and ensures that they
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// aren't destroyed when it's not safe to run scripts.
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class WindowlessBrowser final : public nsIWindowlessBrowser,
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public nsIInterfaceRequestor {
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public:
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WindowlessBrowser(nsIWebBrowser* aBrowser, nsISupports* aContainer)
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: mBrowser(aBrowser), mContainer(aContainer), mClosed(false) {
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mWebNavigation = do_QueryInterface(aBrowser);
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mInterfaceRequestor = do_QueryInterface(aBrowser);
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}
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NS_DECL_ISUPPORTS
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NS_DECL_NSIWINDOWLESSBROWSER
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NS_FORWARD_SAFE_NSIWEBNAVIGATION(mWebNavigation)
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NS_FORWARD_SAFE_NSIINTERFACEREQUESTOR(mInterfaceRequestor)
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private:
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~WindowlessBrowser() {
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if (mClosed) {
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return;
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}
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NS_WARNING("Windowless browser was not closed prior to destruction");
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// The docshell destructor needs to dispatch events, and can only run
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// when it's safe to run scripts. If this was triggered by GC, it may
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// not always be safe to run scripts, in which cases we need to delay
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// destruction until it is.
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auto runnable = MakeRefPtr<BrowserDestroyer>(mBrowser, mContainer);
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nsContentUtils::AddScriptRunner(runnable.forget());
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}
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nsCOMPtr<nsIWebBrowser> mBrowser;
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nsCOMPtr<nsIWebNavigation> mWebNavigation;
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nsCOMPtr<nsIInterfaceRequestor> mInterfaceRequestor;
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// we don't use the container but just hold a reference to it.
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nsCOMPtr<nsISupports> mContainer;
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bool mClosed;
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};
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NS_IMPL_ISUPPORTS(WindowlessBrowser, nsIWindowlessBrowser, nsIWebNavigation,
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nsIInterfaceRequestor)
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NS_IMETHODIMP
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WindowlessBrowser::Close() {
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NS_ENSURE_TRUE(!mClosed, NS_ERROR_UNEXPECTED);
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NS_ASSERTION(nsContentUtils::IsSafeToRunScript(),
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"WindowlessBrowser::Close called when not safe to run scripts");
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mClosed = true;
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mWebNavigation = nullptr;
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mInterfaceRequestor = nullptr;
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return BrowserDestroyer::Destroy(mBrowser);
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}
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NS_IMETHODIMP
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WindowlessBrowser::GetBrowsingContext(BrowsingContext** aBrowsingContext) {
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nsCOMPtr<nsIDocShellTreeItem> docShellTreeItem = do_QueryInterface(mBrowser);
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if (!docShellTreeItem) {
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return NS_ERROR_NOT_INITIALIZED;
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}
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return docShellTreeItem->GetBrowsingContextXPCOM(aBrowsingContext);
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}
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NS_IMETHODIMP
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WindowlessBrowser::GetDocShell(nsIDocShell** aDocShell) {
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nsCOMPtr<nsIDocShell> docShell = do_GetInterface(mInterfaceRequestor);
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if (!docShell) {
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return NS_ERROR_NOT_INITIALIZED;
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}
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docShell.forget(aDocShell);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsAppShellService::CreateWindowlessBrowser(bool aIsChrome, uint32_t aChromeMask,
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nsIWindowlessBrowser** aResult) {
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if (aChromeMask) {
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MOZ_DIAGNOSTIC_ASSERT(aIsChrome, "Got chrome flags for non-chrome browser");
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if (aChromeMask & ~(nsIWebBrowserChrome::CHROME_REMOTE_WINDOW |
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nsIWebBrowserChrome::CHROME_FISSION_WINDOW |
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nsIWebBrowserChrome::CHROME_PRIVATE_WINDOW)) {
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NS_ERROR("Received unexpected chrome flags");
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return NS_ERROR_FAILURE;
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}
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}
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/* First, we set the container window for our instance of nsWebBrowser. Since
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* we don't actually have a window, we instead set the container window to be
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* an instance of WebBrowserChrome2Stub, which provides a stub implementation
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* of nsIWebBrowserChrome.
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*/
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RefPtr<WebBrowserChrome2Stub> stub = new WebBrowserChrome2Stub();
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/* A windowless web browser doesn't have an associated OS level window. To
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* accomplish this, we initialize the window associated with our instance of
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* nsWebBrowser with an instance of HeadlessWidget/PuppetWidget, which provide
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* a stub implementation of nsIWidget.
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*/
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nsCOMPtr<nsIWidget> widget;
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if (gfxPlatform::IsHeadless()) {
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widget = nsIWidget::CreateHeadlessWidget();
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} else {
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widget = nsIWidget::CreatePuppetWidget(nullptr);
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}
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if (!widget) {
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NS_ERROR("Couldn't create instance of stub widget");
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return NS_ERROR_FAILURE;
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}
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nsresult rv =
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widget->Create(nullptr, 0, LayoutDeviceIntRect(0, 0, 0, 0), nullptr);
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NS_ENSURE_SUCCESS(rv, rv);
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// Create a BrowsingContext for our windowless browser.
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RefPtr<BrowsingContext> browsingContext = BrowsingContext::CreateIndependent(
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aIsChrome ? BrowsingContext::Type::Chrome
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: BrowsingContext::Type::Content);
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if (aChromeMask & nsIWebBrowserChrome::CHROME_REMOTE_WINDOW) {
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browsingContext->SetRemoteTabs(true);
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}
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if (aChromeMask & nsIWebBrowserChrome::CHROME_FISSION_WINDOW) {
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browsingContext->SetRemoteSubframes(true);
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}
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if (aChromeMask & nsIWebBrowserChrome::CHROME_PRIVATE_WINDOW) {
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browsingContext->SetPrivateBrowsing(true);
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}
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/* Next, we create an instance of nsWebBrowser. Instances of this class have
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* an associated doc shell, which is what we're interested in.
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*/
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nsCOMPtr<nsIWebBrowser> browser = nsWebBrowser::Create(
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stub, widget, browsingContext, nullptr /* initialWindowChild */);
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if (NS_WARN_IF(!browser)) {
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NS_ERROR("Couldn't create instance of nsWebBrowser!");
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return NS_ERROR_FAILURE;
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}
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// Make sure the container window owns the the nsWebBrowser instance.
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stub->SetBrowser(browser);
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nsISupports* isstub = NS_ISUPPORTS_CAST(nsIWebBrowserChrome*, stub);
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RefPtr<nsIWindowlessBrowser> result = new WindowlessBrowser(browser, isstub);
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nsCOMPtr<nsIDocShell> docshell = do_GetInterface(result);
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docshell->SetInvisible(true);
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result.forget(aResult);
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return NS_OK;
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}
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uint32_t nsAppShellService::CalculateWindowZLevel(nsIAppWindow* aParent,
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uint32_t aChromeMask) {
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uint32_t zLevel;
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zLevel = nsIAppWindow::normalZ;
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if (aChromeMask & nsIWebBrowserChrome::CHROME_WINDOW_RAISED)
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zLevel = nsIAppWindow::raisedZ;
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else if (aChromeMask & nsIWebBrowserChrome::CHROME_WINDOW_LOWERED)
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zLevel = nsIAppWindow::loweredZ;
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#ifdef XP_MACOSX
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/* Platforms on which modal windows are always application-modal, not
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window-modal (that's just the Mac, right?) want modal windows to
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be stacked on top of everyone else.
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On Mac OS X, bind modality to parent window instead of app (ala Mac OS 9)
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*/
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uint32_t modalDepMask =
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nsIWebBrowserChrome::CHROME_MODAL | nsIWebBrowserChrome::CHROME_DEPENDENT;
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if (aParent && (aChromeMask & modalDepMask)) {
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|
aParent->GetZLevel(&zLevel);
|
|
}
|
|
#else
|
|
/* Platforms with native support for dependent windows (that's everyone
|
|
but pre-Mac OS X, right?) know how to stack dependent windows. On these
|
|
platforms, give the dependent window the same level as its parent,
|
|
so we won't try to override the normal platform behaviour. */
|
|
if ((aChromeMask & nsIWebBrowserChrome::CHROME_DEPENDENT) && aParent) {
|
|
aParent->GetZLevel(&zLevel);
|
|
}
|
|
#endif
|
|
|
|
return zLevel;
|
|
}
|
|
|
|
/*
|
|
* Just do the window-making part of CreateTopLevelWindow
|
|
*/
|
|
nsresult nsAppShellService::JustCreateTopWindow(
|
|
nsIAppWindow* aParent, nsIURI* aUrl, uint32_t aChromeMask,
|
|
int32_t aInitialWidth, int32_t aInitialHeight, bool aIsHiddenWindow,
|
|
AppWindow** aResult) {
|
|
using BorderStyle = widget::BorderStyle;
|
|
*aResult = nullptr;
|
|
NS_ENSURE_STATE(!mXPCOMWillShutDown);
|
|
|
|
nsCOMPtr<nsIAppWindow> parent;
|
|
if (aChromeMask & nsIWebBrowserChrome::CHROME_DEPENDENT) parent = aParent;
|
|
|
|
RefPtr<AppWindow> window = new AppWindow(aChromeMask);
|
|
|
|
#ifdef XP_WIN
|
|
// If the parent is currently fullscreen, tell the child to ignore persisted
|
|
// full screen states. This way new browser windows open on top of fullscreen
|
|
// windows normally.
|
|
if (nsCOMPtr<nsIBaseWindow> baseWin = do_QueryInterface(aParent)) {
|
|
nsCOMPtr<nsIWidget> widget;
|
|
baseWin->GetMainWidget(getter_AddRefs(widget));
|
|
if (widget && widget->SizeMode() == nsSizeMode_Fullscreen) {
|
|
window->IgnoreXULSizeMode(true);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
widget::InitData widgetInitData;
|
|
if (aIsHiddenWindow) {
|
|
widgetInitData.mWindowType = widget::WindowType::Invisible;
|
|
} else {
|
|
widgetInitData.mWindowType =
|
|
aChromeMask & nsIWebBrowserChrome::CHROME_OPENAS_DIALOG
|
|
? widget::WindowType::Dialog
|
|
: widget::WindowType::TopLevel;
|
|
}
|
|
|
|
if (aChromeMask & nsIWebBrowserChrome::CHROME_SUPPRESS_ANIMATION) {
|
|
widgetInitData.mIsAnimationSuppressed = true;
|
|
}
|
|
|
|
if (aChromeMask & nsIWebBrowserChrome::CHROME_ALWAYS_ON_TOP) {
|
|
widgetInitData.mAlwaysOnTop = true;
|
|
}
|
|
|
|
if (aChromeMask & nsIWebBrowserChrome::CHROME_REMOTE_WINDOW) {
|
|
widgetInitData.mHasRemoteContent = true;
|
|
}
|
|
|
|
#if defined(MOZ_WIDGET_GTK) || defined(XP_WIN)
|
|
// Windows/Gtk PIP window support. It's Chrome dialog window, always on top
|
|
// and without any bar.
|
|
uint32_t pipMask = nsIWebBrowserChrome::CHROME_ALWAYS_ON_TOP |
|
|
nsIWebBrowserChrome::CHROME_OPENAS_CHROME |
|
|
nsIWebBrowserChrome::CHROME_WINDOW_RESIZE;
|
|
uint32_t barMask = nsIWebBrowserChrome::CHROME_MENUBAR |
|
|
nsIWebBrowserChrome::CHROME_TOOLBAR |
|
|
nsIWebBrowserChrome::CHROME_LOCATIONBAR |
|
|
nsIWebBrowserChrome::CHROME_TITLEBAR |
|
|
nsIWebBrowserChrome::CHROME_STATUSBAR;
|
|
if (widgetInitData.mWindowType == widget::WindowType::Dialog &&
|
|
((aChromeMask & pipMask) == pipMask) && !(aChromeMask & barMask)) {
|
|
widgetInitData.mPIPWindow = true;
|
|
}
|
|
#endif
|
|
|
|
// alert=yes is expected to be used along with dialogs, not other window
|
|
// types.
|
|
MOZ_ASSERT_IF(aChromeMask & nsIWebBrowserChrome::CHROME_ALERT,
|
|
widgetInitData.mWindowType == widget::WindowType::Dialog);
|
|
widgetInitData.mIsAlert =
|
|
!!(aChromeMask & nsIWebBrowserChrome::CHROME_ALERT) &&
|
|
widgetInitData.mWindowType == widget::WindowType::Dialog;
|
|
|
|
#if defined(XP_WIN)
|
|
if (widgetInitData.mWindowType == widget::WindowType::TopLevel ||
|
|
widgetInitData.mWindowType == widget::WindowType::Dialog) {
|
|
widgetInitData.mClipChildren = true;
|
|
}
|
|
#endif
|
|
|
|
// note default chrome overrides other OS chrome settings, but
|
|
// not internal chrome
|
|
if (aChromeMask & nsIWebBrowserChrome::CHROME_DEFAULT) {
|
|
widgetInitData.mBorderStyle = BorderStyle::Default;
|
|
} else if ((aChromeMask & nsIWebBrowserChrome::CHROME_ALL) ==
|
|
nsIWebBrowserChrome::CHROME_ALL) {
|
|
widgetInitData.mBorderStyle = BorderStyle::All;
|
|
} else {
|
|
widgetInitData.mBorderStyle = BorderStyle::None; // assumes none == 0x00
|
|
if (aChromeMask & nsIWebBrowserChrome::CHROME_WINDOW_BORDERS) {
|
|
widgetInitData.mBorderStyle |= BorderStyle::Border;
|
|
}
|
|
if (aChromeMask & nsIWebBrowserChrome::CHROME_TITLEBAR) {
|
|
widgetInitData.mBorderStyle |= BorderStyle::Title;
|
|
}
|
|
if (aChromeMask & nsIWebBrowserChrome::CHROME_WINDOW_CLOSE) {
|
|
widgetInitData.mBorderStyle |= BorderStyle::Close;
|
|
}
|
|
if (aChromeMask & nsIWebBrowserChrome::CHROME_WINDOW_RESIZE) {
|
|
widgetInitData.mResizable = true;
|
|
widgetInitData.mBorderStyle |= BorderStyle::ResizeH;
|
|
// only resizable windows get the maximize button (but not dialogs)
|
|
if (!(aChromeMask & nsIWebBrowserChrome::CHROME_OPENAS_DIALOG)) {
|
|
widgetInitData.mBorderStyle |= BorderStyle::Maximize;
|
|
}
|
|
}
|
|
// all windows (except dialogs) get minimize buttons and the system menu
|
|
if (!(aChromeMask & nsIWebBrowserChrome::CHROME_OPENAS_DIALOG)) {
|
|
widgetInitData.mBorderStyle |= BorderStyle::Minimize | BorderStyle::Menu;
|
|
}
|
|
// but anyone can explicitly ask for a minimize button
|
|
if (aChromeMask & nsIWebBrowserChrome::CHROME_WINDOW_MINIMIZE) {
|
|
widgetInitData.mBorderStyle |= BorderStyle::Minimize;
|
|
}
|
|
}
|
|
|
|
if (aInitialWidth == nsIAppShellService::SIZE_TO_CONTENT ||
|
|
aInitialHeight == nsIAppShellService::SIZE_TO_CONTENT) {
|
|
aInitialWidth = 1;
|
|
aInitialHeight = 1;
|
|
window->SetIntrinsicallySized(true);
|
|
}
|
|
|
|
bool center = aChromeMask & nsIWebBrowserChrome::CHROME_CENTER_SCREEN;
|
|
|
|
widgetInitData.mRTL = LocaleService::GetInstance()->IsAppLocaleRTL();
|
|
|
|
// Enforce the Private Browsing autoStart pref first.
|
|
bool isPrivateBrowsingWindow =
|
|
StaticPrefs::browser_privatebrowsing_autostart();
|
|
if (aChromeMask & nsIWebBrowserChrome::CHROME_PRIVATE_WINDOW) {
|
|
// Caller requested a private window
|
|
isPrivateBrowsingWindow = true;
|
|
}
|
|
widgetInitData.mIsPrivate = isPrivateBrowsingWindow;
|
|
|
|
nsresult rv =
|
|
window->Initialize(parent, center ? aParent : nullptr, aInitialWidth,
|
|
aInitialHeight, aIsHiddenWindow, widgetInitData);
|
|
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
nsCOMPtr<mozIDOMWindowProxy> domWin = do_GetInterface(aParent);
|
|
nsCOMPtr<nsIWebNavigation> webNav = do_GetInterface(domWin);
|
|
nsCOMPtr<nsILoadContext> parentContext = do_QueryInterface(webNav);
|
|
|
|
if (!isPrivateBrowsingWindow && parentContext) {
|
|
// Ensure that we propagate any existing private browsing status
|
|
// from the parent, even if it will not actually be used
|
|
// as a parent value.
|
|
isPrivateBrowsingWindow = parentContext->UsePrivateBrowsing();
|
|
}
|
|
|
|
if (RefPtr<nsDocShell> docShell = window->GetDocShell()) {
|
|
MOZ_ASSERT(docShell->GetBrowsingContext()->IsChrome());
|
|
|
|
docShell->SetPrivateBrowsing(isPrivateBrowsingWindow);
|
|
docShell->SetRemoteTabs(aChromeMask &
|
|
nsIWebBrowserChrome::CHROME_REMOTE_WINDOW);
|
|
docShell->SetRemoteSubframes(aChromeMask &
|
|
nsIWebBrowserChrome::CHROME_FISSION_WINDOW);
|
|
|
|
// Eagerly create an about:blank content viewer with the right principal
|
|
// here, rather than letting it happen in the upcoming call to
|
|
// SetInitialPrincipal. This avoids creating the about:blank document and
|
|
// then blowing it away with a second one, which can cause problems for the
|
|
// top-level chrome window case. See bug 789773.
|
|
// Toplevel chrome windows always have a system principal, so ensure the
|
|
// initial window is created with that principal.
|
|
// We need to do this even when creating a chrome window to load a content
|
|
// window, see bug 799348 comment 13 for details about what previously
|
|
// happened here due to it using the subject principal.
|
|
if (nsContentUtils::IsInitialized()) { // Sometimes this happens really
|
|
// early. See bug 793370.
|
|
MOZ_DIAGNOSTIC_ASSERT(
|
|
nsContentUtils::LegacyIsCallerChromeOrNativeCode(),
|
|
"Previously, this method would use the subject principal rather than "
|
|
"hardcoding the system principal");
|
|
// Use the system principal as the storage principal too until the new
|
|
// window finishes navigating and gets a real storage principal.
|
|
rv = docShell->CreateAboutBlankDocumentViewer(
|
|
nsContentUtils::GetSystemPrincipal(),
|
|
nsContentUtils::GetSystemPrincipal(),
|
|
/* aCsp = */ nullptr, /* aBaseURI = */ nullptr,
|
|
/* aIsInitialDocument = */ true);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
RefPtr<dom::Document> doc = docShell->GetDocument();
|
|
NS_ENSURE_TRUE(!!doc, NS_ERROR_FAILURE);
|
|
MOZ_ASSERT(doc->IsInitialDocument(),
|
|
"Document should be an initial document");
|
|
}
|
|
|
|
// Begin loading the URL provided.
|
|
if (aUrl) {
|
|
RefPtr<nsDocShellLoadState> loadState = new nsDocShellLoadState(aUrl);
|
|
loadState->SetTriggeringPrincipal(nsContentUtils::GetSystemPrincipal());
|
|
loadState->SetFirstParty(true);
|
|
rv = docShell->LoadURI(loadState, /* aSetNavigating */ true);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
}
|
|
}
|
|
|
|
window.forget(aResult);
|
|
|
|
if (center) rv = (*aResult)->Center(parent, parent ? false : true, false);
|
|
|
|
return rv;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsAppShellService::GetHiddenWindow(nsIAppWindow** aWindow) {
|
|
NS_ENSURE_ARG_POINTER(aWindow);
|
|
|
|
EnsureHiddenWindow();
|
|
|
|
*aWindow = mHiddenWindow;
|
|
NS_IF_ADDREF(*aWindow);
|
|
return *aWindow ? NS_OK : NS_ERROR_FAILURE;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsAppShellService::GetHiddenDOMWindow(mozIDOMWindowProxy** aWindow) {
|
|
NS_ENSURE_ARG_POINTER(aWindow);
|
|
|
|
EnsureHiddenWindow();
|
|
|
|
nsresult rv;
|
|
nsCOMPtr<nsIDocShell> docShell;
|
|
NS_ENSURE_TRUE(mHiddenWindow, NS_ERROR_FAILURE);
|
|
|
|
rv = mHiddenWindow->GetDocShell(getter_AddRefs(docShell));
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
NS_ENSURE_TRUE(docShell, NS_ERROR_FAILURE);
|
|
|
|
nsCOMPtr<nsPIDOMWindowOuter> hiddenDOMWindow(docShell->GetWindow());
|
|
hiddenDOMWindow.forget(aWindow);
|
|
return *aWindow ? NS_OK : NS_ERROR_FAILURE;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsAppShellService::GetHasHiddenWindow(bool* aHasHiddenWindow) {
|
|
NS_ENSURE_ARG_POINTER(aHasHiddenWindow);
|
|
|
|
*aHasHiddenWindow = !!mHiddenWindow;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsAppShellService::GetApplicationProvidedHiddenWindow(bool* aAPHW) {
|
|
*aAPHW = mApplicationProvidedHiddenWindow;
|
|
return NS_OK;
|
|
}
|
|
|
|
/*
|
|
* Register a new top level window (created elsewhere)
|
|
*/
|
|
NS_IMETHODIMP
|
|
nsAppShellService::RegisterTopLevelWindow(nsIAppWindow* aWindow) {
|
|
NS_ENSURE_ARG_POINTER(aWindow);
|
|
|
|
nsCOMPtr<nsIDocShell> docShell;
|
|
aWindow->GetDocShell(getter_AddRefs(docShell));
|
|
NS_ENSURE_TRUE(docShell, NS_ERROR_FAILURE);
|
|
|
|
nsCOMPtr<nsPIDOMWindowOuter> domWindow(docShell->GetWindow());
|
|
NS_ENSURE_TRUE(domWindow, NS_ERROR_FAILURE);
|
|
|
|
// Toplevel chrome windows always have a system principal, so ensure the
|
|
// initial window is created with that principal.
|
|
// We need to do this even when creating a chrome window to load a content
|
|
// window, see bug 799348 comment 13 for details about what previously
|
|
// happened here due to it using the subject principal.
|
|
MOZ_DIAGNOSTIC_ASSERT(
|
|
nsContentUtils::LegacyIsCallerChromeOrNativeCode(),
|
|
"Previously, this method would use the subject principal rather than "
|
|
"hardcoding the system principal");
|
|
domWindow->SetInitialPrincipal(nsContentUtils::GetSystemPrincipal(), nullptr,
|
|
Nothing());
|
|
|
|
// tell the window mediator about the new window
|
|
nsCOMPtr<nsIWindowMediator> mediator(
|
|
do_GetService(NS_WINDOWMEDIATOR_CONTRACTID));
|
|
NS_ASSERTION(mediator, "Couldn't get window mediator.");
|
|
|
|
if (mediator) mediator->RegisterWindow(aWindow);
|
|
|
|
// tell the window watcher about the new window
|
|
nsCOMPtr<nsPIWindowWatcher> wwatcher(
|
|
do_GetService(NS_WINDOWWATCHER_CONTRACTID));
|
|
NS_ASSERTION(wwatcher, "No windowwatcher?");
|
|
if (wwatcher && domWindow) {
|
|
wwatcher->AddWindow(domWindow, 0);
|
|
}
|
|
|
|
// an ongoing attempt to quit is stopped by a newly opened window
|
|
nsCOMPtr<nsIObserverService> obssvc = services::GetObserverService();
|
|
NS_ASSERTION(obssvc, "Couldn't get observer service.");
|
|
|
|
if (obssvc) {
|
|
obssvc->NotifyObservers(aWindow, "xul-window-registered", nullptr);
|
|
AppWindow* appWindow = static_cast<AppWindow*>(aWindow);
|
|
appWindow->WasRegistered();
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsAppShellService::UnregisterTopLevelWindow(nsIAppWindow* aWindow) {
|
|
if (mXPCOMShuttingDown) {
|
|
/* return an error code in order to:
|
|
- avoid doing anything with other member variables while we are in
|
|
the destructor
|
|
- notify the caller not to release the AppShellService after
|
|
unregistering the window
|
|
(we don't want to be deleted twice consecutively to
|
|
mHiddenWindow->Destroy() in our destructor)
|
|
*/
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
NS_ENSURE_ARG_POINTER(aWindow);
|
|
|
|
if (aWindow == mHiddenWindow) {
|
|
// CreateHiddenWindow() does not register the window, so we're done.
|
|
return NS_OK;
|
|
}
|
|
|
|
// tell the window mediator
|
|
nsCOMPtr<nsIWindowMediator> mediator(
|
|
do_GetService(NS_WINDOWMEDIATOR_CONTRACTID));
|
|
NS_ASSERTION(mediator, "Couldn't get window mediator. Doing xpcom shutdown?");
|
|
|
|
if (mediator) mediator->UnregisterWindow(aWindow);
|
|
|
|
// tell the window watcher
|
|
nsCOMPtr<nsPIWindowWatcher> wwatcher(
|
|
do_GetService(NS_WINDOWWATCHER_CONTRACTID));
|
|
NS_ASSERTION(wwatcher, "Couldn't get windowwatcher, doing xpcom shutdown?");
|
|
if (wwatcher) {
|
|
nsCOMPtr<nsIDocShell> docShell;
|
|
aWindow->GetDocShell(getter_AddRefs(docShell));
|
|
if (docShell) {
|
|
nsCOMPtr<nsPIDOMWindowOuter> domWindow(docShell->GetWindow());
|
|
if (domWindow) wwatcher->RemoveWindow(domWindow);
|
|
}
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsAppShellService::Observe(nsISupports* aSubject, const char* aTopic,
|
|
const char16_t* aData) {
|
|
if (!strcmp(aTopic, "xpcom-will-shutdown")) {
|
|
mXPCOMWillShutDown = true;
|
|
} else if (!strcmp(aTopic, "xpcom-shutdown")) {
|
|
mXPCOMShuttingDown = true;
|
|
if (mHiddenWindow) {
|
|
mHiddenWindow->Destroy();
|
|
}
|
|
} else {
|
|
NS_ERROR("Unexpected observer topic!");
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsAppShellService::StartEventLoopLagTracking(bool* aResult) {
|
|
#ifdef MOZ_INSTRUMENT_EVENT_LOOP
|
|
*aResult = mozilla::InitEventTracing(true);
|
|
#endif
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsAppShellService::StopEventLoopLagTracking() {
|
|
#ifdef MOZ_INSTRUMENT_EVENT_LOOP
|
|
mozilla::ShutdownEventTracing();
|
|
#endif
|
|
return NS_OK;
|
|
}
|