diff options
Diffstat (limited to 'toolkit/components/aboutwindowsmessages/AboutWindowsMessages.cpp')
-rw-r--r-- | toolkit/components/aboutwindowsmessages/AboutWindowsMessages.cpp | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/toolkit/components/aboutwindowsmessages/AboutWindowsMessages.cpp b/toolkit/components/aboutwindowsmessages/AboutWindowsMessages.cpp new file mode 100644 index 0000000000..86308dfe13 --- /dev/null +++ b/toolkit/components/aboutwindowsmessages/AboutWindowsMessages.cpp @@ -0,0 +1,93 @@ +/* -*- 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/. */ + +#include "AboutWindowsMessages.h" + +#include "mozilla/ClearOnShutdown.h" +#include "mozilla/dom/Promise.h" +#include "mozilla/StaticPtr.h" +#include "nsThreadUtils.h" +#include "nsPIDOMWindow.h" +#include "nsServiceManagerUtils.h" +#include "nsIWindowMediator.h" +#include "nsIAppWindow.h" +#include "nsIBaseWindow.h" +#include "nsIDocShell.h" +#include "nsDocShellTreeOwner.h" +#include "mozilla/WidgetUtils.h" +#include "mozilla/widget/nsWindowLoggedMessages.h" + +namespace mozilla { + +static StaticRefPtr<AboutWindowsMessages> sSingleton; + +NS_IMPL_ISUPPORTS(AboutWindowsMessages, nsIAboutWindowsMessages); + +/*static*/ +already_AddRefed<AboutWindowsMessages> AboutWindowsMessages::GetSingleton() { + if (!sSingleton) { + sSingleton = new AboutWindowsMessages; + ClearOnShutdown(&sSingleton); + } + + return do_AddRef(sSingleton); +} + +static bool GetWindowTitleFromWindow(const nsCOMPtr<nsPIDOMWindowOuter>& window, + nsAutoString& title) { + nsIDocShell* docShell = window->GetDocShell(); + if (docShell) { + nsCOMPtr<nsIDocShellTreeOwner> parentTreeOwner; + docShell->GetTreeOwner(getter_AddRefs(parentTreeOwner)); + nsCOMPtr<nsIBaseWindow> baseWindow(do_QueryInterface(parentTreeOwner)); + baseWindow->GetTitle(title); + return true; + } + return false; +} + +NS_IMETHODIMP +AboutWindowsMessages::GetMessages(mozIDOMWindowProxy* currentWindow, + nsTArray<nsTArray<nsCString>>& messages, + nsTArray<nsString>& windowTitles) { + messages.Clear(); + // Display the current window's messages first + auto currentWindowOuter = nsPIDOMWindowOuter::From(currentWindow); + RefPtr<nsIWidget> currentWidget = + widget::WidgetUtils::DOMWindowToWidget(currentWindowOuter); + nsAutoString currentWindowTitle; + if (GetWindowTitleFromWindow(currentWindowOuter, currentWindowTitle)) { + nsTArray<nsCString> windowMessages; + widget::GetLatestWindowMessages(currentWidget, windowMessages); + windowTitles.AppendElement(currentWindowTitle); + messages.EmplaceBack(std::move(windowMessages)); + } + nsCOMPtr<nsIWindowMediator> mediator( + do_GetService(NS_WINDOWMEDIATOR_CONTRACTID)); + nsCOMPtr<nsISimpleEnumerator> windowEnumerator; + mediator->GetEnumerator(nullptr, getter_AddRefs(windowEnumerator)); + if (!windowEnumerator) return NS_ERROR_FAILURE; + bool more; + while (NS_SUCCEEDED(windowEnumerator->HasMoreElements(&more)) && more) { + nsCOMPtr<nsISupports> isupports; + if (NS_FAILED(windowEnumerator->GetNext(getter_AddRefs(isupports)))) break; + nsCOMPtr<nsPIDOMWindowOuter> window = do_QueryInterface(isupports); + NS_ASSERTION(window, "not an nsPIDOMWindowOuter"); + RefPtr<nsIWidget> windowWidget = + widget::WidgetUtils::DOMWindowToWidget(window); + if (&*windowWidget != &*currentWidget) { + nsAutoString title; + if (GetWindowTitleFromWindow(window, title)) { + nsTArray<nsCString> windowMessages; + widget::GetLatestWindowMessages(windowWidget, windowMessages); + windowTitles.AppendElement(title); + messages.EmplaceBack(std::move(windowMessages)); + } + } + } + return NS_OK; +} +} // namespace mozilla |