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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/. */
#include "AboutWindowsMessages.h"
#include "mozilla/ClearOnShutdown.h"
#include "mozilla/dom/Promise.h"
#include "mozilla/StaticPtr.h"
#include "nsThreadUtils.h"
#include "nsPIDOMWindow.h"
#include "nsGlobalWindowOuter.h"
#include "nsServiceManagerUtils.h"
#include "nsIWindowMediator.h"
#include "nsIAppWindow.h"
#include "nsIBaseWindow.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
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