1 files changed, 167 insertions, 0 deletions
diff --git a/xpfe/appshell/nsIAppWindow.idl b/xpfe/appshell/nsIAppWindow.idl
new file mode 100644
index 0000000000..c72f2da4e2
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+++ b/xpfe/appshell/nsIAppWindow.idl
@@ -0,0 +1,167 @@
+/* -*- Mode: IDL; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ *
+ * 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 "nsISupports.idl"
+
+/**
+ * The nsIAppWindow
+ *
+ * When the window is destroyed, it will fire a "xul-window-destroyed"
+ * notification through the global observer service.
+ */
+
+%{C++
+#include "LiveResizeListener.h"
+#include "nsTArray.h"
+%}
+
+interface nsIDocShell;
+interface nsIDocShellTreeItem;
+interface nsIXULBrowserWindow;
+interface nsIRemoteTab;
+interface mozIDOMWindowProxy;
+interface nsIOpenWindowInfo;
+webidl BrowsingContext;
+
+native LiveResizeListenerArray(nsTArray<RefPtr<mozilla::LiveResizeListener>>);
+
+[builtinclass, scriptable, uuid(d6d7a014-e28d-4c9d-8727-1cf6d870619b)]
+interface nsIAppWindow : nsISupports
+{
+  /**
+   * The docshell owning the XUL for this window.
+   */
+  readonly attribute nsIDocShell docShell;
+
+  /**
+   * Indicates if this window is instrinsically sized.
+   */
+  attribute boolean intrinsicallySized;
+
+  /**
+   * The primary content shell.
+   *
+   * Note that this is a docshell tree item and therefore can not be assured of
+   * what object it is. It could be an editor, a docshell, or a browser object.
+   * Or down the road any other object that supports being a DocShellTreeItem
+   * Query accordingly to determine the capabilities.
+   */
+  readonly attribute nsIDocShellTreeItem primaryContentShell;
+
+  /**
+   * In multiprocess case we may not have primaryContentShell but
+   * primaryRemoteTab.
+   */
+  readonly attribute nsIRemoteTab primaryRemoteTab;
+
+  /**
+   * Helper for getting the BrowsingContext from either `primaryContentShell` or
+   * `primaryRemoteTab` depending on which is available.
+   */
+  readonly attribute BrowsingContext primaryContentBrowsingContext;
+
+  void remoteTabAdded(in nsIRemoteTab aTab, in boolean aPrimary);
+  void remoteTabRemoved(in nsIRemoteTab aTab);
+
+  [noscript,notxpcom] LiveResizeListenerArray getLiveResizeListeners();
+
+  /**
+   * Tell this window that it has picked up a child XUL window
+   * @param aChild the child window being added
+   */
+  void addChildWindow(in nsIAppWindow aChild);
+
+  /**
+   * Returns the difference between the inner window size (client size) and the
+   * outer window size, in CSS pixels.
+   */
+  [infallible] readonly attribute unsigned long outerToInnerHeightDifferenceInCSSPixels;
+  [infallible] readonly attribute unsigned long outerToInnerWidthDifferenceInCSSPixels;
+
+  /**
+   * Tell this window that it has lost a child XUL window
+   * @param aChild the child window being removed
+   */
+  void removeChildWindow(in nsIAppWindow aChild);
+
+  /**
+   * Move the window to a centered position.
+   * @param aRelative If not null, the window relative to which the window is
+   *                  moved. See aScreen parameter for details.
+   * @param aScreen   PR_TRUE to center the window relative to the screen
+   *                  containing aRelative if aRelative is not null. If
+   *                  aRelative is null then relative to the screen of the
+   *                  opener window if it was initialized by passing it to
+   *                  nsWebShellWindow::Initialize. Failing that relative to
+   *                  the main screen.
+   *                  PR_FALSE to center it relative to aRelative itself.
+   * @param aAlert    PR_TRUE to move the window to an alert position,
+   *                  generally centered horizontally and 1/3 down from the top.
+   */
+  void center(in nsIAppWindow aRelative, in boolean aScreen, in boolean aAlert);
+
+  /**
+   * Shows the window as a modal window. That is, ensures that it is visible
+   * and runs a local event loop, exiting only once the window has been closed.
+   */
+  void showModal();
+
+  /**
+   * Locks the aspect ratio for a window.
+   * @param aShouldLock boolean
+   */
+  void lockAspectRatio(in bool aShouldLock);
+
+  const unsigned long lowestZ = 0;
+  const unsigned long loweredZ = 4;  /* "alwaysLowered" attribute */
+  const unsigned long normalZ = 5;
+  const unsigned long raisedZ = 6;   /* "alwaysRaised" attribute */
+  const unsigned long highestZ = 9;
+
+  attribute unsigned long zLevel;
+
+  attribute uint32_t chromeFlags;
+
+  /**
+   * Begin assuming |chromeFlags| don't change hereafter, and assert
+   * if they do change.  The state change is one-way and idempotent.
+   */
+  void assumeChromeFlagsAreFrozen();
+
+  /**
+   * Create a new window.
+   * @param aChromeFlags see nsIWebBrowserChrome
+   * @param aOpenWindowInfo information about the request for a content window
+   *                        to be opened. Will be null for non-content loads.
+   * @return the newly minted window
+   */
+  nsIAppWindow createNewWindow(in int32_t aChromeFlags,
+                               in nsIOpenWindowInfo aOpenWindowInfo);
+
+  attribute nsIXULBrowserWindow XULBrowserWindow;
+
+  /**
+   * Back-door method to make sure some stuff is done when the document is
+   * ready for layout, that would cause expensive computation otherwise later.
+   *
+   * Do NOT call this unless you know what you're doing!  In particular,
+   * calling this when this XUL window doesn't yet have a document in its
+   * docshell could cause problems.
+   */
+  [noscript] void beforeStartLayout();
+
+  /**
+   * If the window was opened as a content window, this will return the initial
+   * nsIOpenWindowInfo to use.
+   */
+  readonly attribute nsIOpenWindowInfo initialOpenWindowInfo;
+
+  /**
+   * Request fast snapshot at RenderCompositor of WebRender.
+   * Since readback of Windows DirectComposition is very slow.
+   */
+  void needFastSnaphot();
+};