93 lines
3.4 KiB
C++
93 lines
3.4 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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 "AboutWindowsMessages.h"
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#include "mozilla/ClearOnShutdown.h"
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#include "mozilla/dom/Promise.h"
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#include "mozilla/StaticPtr.h"
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#include "nsThreadUtils.h"
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#include "nsPIDOMWindow.h"
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#include "nsServiceManagerUtils.h"
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#include "nsIWindowMediator.h"
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#include "nsIAppWindow.h"
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#include "nsIBaseWindow.h"
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#include "nsIDocShell.h"
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#include "nsDocShellTreeOwner.h"
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#include "mozilla/WidgetUtils.h"
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#include "mozilla/widget/nsWindowLoggedMessages.h"
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namespace mozilla {
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static StaticRefPtr<AboutWindowsMessages> sSingleton;
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NS_IMPL_ISUPPORTS(AboutWindowsMessages, nsIAboutWindowsMessages);
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/*static*/
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already_AddRefed<AboutWindowsMessages> AboutWindowsMessages::GetSingleton() {
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if (!sSingleton) {
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sSingleton = new AboutWindowsMessages;
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ClearOnShutdown(&sSingleton);
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}
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return do_AddRef(sSingleton);
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}
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static bool GetWindowTitleFromWindow(const nsCOMPtr<nsPIDOMWindowOuter>& window,
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nsAutoString& title) {
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nsIDocShell* docShell = window->GetDocShell();
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if (docShell) {
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nsCOMPtr<nsIDocShellTreeOwner> parentTreeOwner;
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docShell->GetTreeOwner(getter_AddRefs(parentTreeOwner));
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nsCOMPtr<nsIBaseWindow> baseWindow(do_QueryInterface(parentTreeOwner));
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baseWindow->GetTitle(title);
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return true;
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}
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return false;
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}
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NS_IMETHODIMP
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AboutWindowsMessages::GetMessages(mozIDOMWindowProxy* currentWindow,
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nsTArray<nsTArray<nsCString>>& messages,
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nsTArray<nsString>& windowTitles) {
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messages.Clear();
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// Display the current window's messages first
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auto currentWindowOuter = nsPIDOMWindowOuter::From(currentWindow);
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RefPtr<nsIWidget> currentWidget =
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widget::WidgetUtils::DOMWindowToWidget(currentWindowOuter);
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nsAutoString currentWindowTitle;
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if (GetWindowTitleFromWindow(currentWindowOuter, currentWindowTitle)) {
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nsTArray<nsCString> windowMessages;
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widget::GetLatestWindowMessages(currentWidget, windowMessages);
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windowTitles.AppendElement(currentWindowTitle);
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messages.EmplaceBack(std::move(windowMessages));
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}
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nsCOMPtr<nsIWindowMediator> mediator(
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do_GetService(NS_WINDOWMEDIATOR_CONTRACTID));
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nsCOMPtr<nsISimpleEnumerator> windowEnumerator;
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mediator->GetEnumerator(nullptr, getter_AddRefs(windowEnumerator));
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if (!windowEnumerator) return NS_ERROR_FAILURE;
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bool more;
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while (NS_SUCCEEDED(windowEnumerator->HasMoreElements(&more)) && more) {
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nsCOMPtr<nsISupports> isupports;
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if (NS_FAILED(windowEnumerator->GetNext(getter_AddRefs(isupports)))) break;
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nsCOMPtr<nsPIDOMWindowOuter> window = do_QueryInterface(isupports);
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NS_ASSERTION(window, "not an nsPIDOMWindowOuter");
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RefPtr<nsIWidget> windowWidget =
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widget::WidgetUtils::DOMWindowToWidget(window);
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if (&*windowWidget != &*currentWidget) {
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nsAutoString title;
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if (GetWindowTitleFromWindow(window, title)) {
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nsTArray<nsCString> windowMessages;
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widget::GetLatestWindowMessages(windowWidget, windowMessages);
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windowTitles.AppendElement(title);
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messages.EmplaceBack(std::move(windowMessages));
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}
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}
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}
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return NS_OK;
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}
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} // namespace mozilla
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