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/* -*- Mode: C++; tab-width: 2; 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"
interface nsIAppWindow;
interface nsIWindowlessBrowser;
interface nsIURI;
interface mozIDOMWindowProxy;
interface nsIAppShell;
interface nsIRemoteTab;
[ptr] native JSContext(JSContext);
%{C++
#include "js/TypeDecls.h"
%}
[scriptable, uuid(19266025-354c-4bb9-986b-3483b2b1cdef)]
interface nsIAppShellService : nsISupports
{
/**
* Create a window, which will be initially invisible.
* @param aParent the parent window. Can be null.
* @param aUrl the contents of the new window.
* @param aChromeMask chrome flags affecting the kind of OS border
* given to the window. see nsIWebBrowserChrome for
* bit/flag definitions.
* @param aCallbacks interface providing C++ hooks for window initialization
* before the window is made visible. Can be null.
* Deprecated.
* @param aInitialWidth width, in pixels, of the window. Width of window
* at creation. Can be overridden by the "width"
* tag in the XUL. Set to NS_SIZETOCONTENT to force
* the window to wrap to its contents.
* @param aInitialHeight like aInitialWidth, but subtly different.
*/
const long SIZE_TO_CONTENT = -1;
nsIAppWindow createTopLevelWindow(in nsIAppWindow aParent,
in nsIURI aUrl,
in uint32_t aChromeMask,
in long aInitialWidth,
in long aInitialHeight);
/**
* This is the constructor for creating an invisible DocShell.
* It is used to simulate DOM windows without an actual physical
* representation.
* @param aIsChrome Set true if you want to use it for chrome content.
* @param aChromeMask Used to specify chrome flags that should be set on the
* window. See nsIWebBrowserChrome for flag definitions.
*/
nsIWindowlessBrowser createWindowlessBrowser([optional] in bool aIsChrome,
[optional] in uint32_t aChromeMask);
[noscript]
void createHiddenWindow();
void destroyHiddenWindow();
/**
* B2G multi-screen support. When open another top-level window on b2g,
* a screen ID is needed for identifying which screen this window is
* opened to.
* @param aScreenId Differentiate screens of windows. It is platform-
* specific due to the hardware limitation for now.
*/
[noscript]
void setScreenId(in uint32_t aScreenId);
/**
* Return the (singleton) application hidden window, automatically created
* and maintained by this AppShellService.
* @param aResult the hidden window. Do not unhide hidden window.
* Do not taunt hidden window.
*/
readonly attribute nsIAppWindow hiddenWindow;
/**
* Return the (singleton) application hidden window, automatically created
* and maintained by this AppShellService.
* @param aResult the hidden window. Do not unhide hidden window.
* Do not taunt hidden window.
*/
readonly attribute mozIDOMWindowProxy hiddenDOMWindow;
/**
* Return true if the application hidden window was provided by the
* application. If it wasn't, the default hidden window was used. This will
* usually be false on all non-mac platforms.
*/
readonly attribute boolean applicationProvidedHiddenWindow;
/**
* Add a window to the application's registry of windows. These windows
* are generally shown in the Windows taskbar, and the application
* knows it can't quit until it's out of registered windows.
* @param aWindow the window to register
* @note When this method is successful, it fires the global notification
* "xul-window-registered"
*/
void registerTopLevelWindow(in nsIAppWindow aWindow);
/**
* Remove a window from the application's window registry. Note that
* this method won't automatically attempt to quit the app when
* the last window is unregistered. For that, see Quit().
* @param aWindow you see the pattern
*/
void unregisterTopLevelWindow(in nsIAppWindow aWindow);
/**
* Whether the hidden window has been lazily created.
*/
readonly attribute boolean hasHiddenWindow;
/**
* Start/stop tracking lags in the event loop.
* If the event loop gets unresponsive, a "event-loop-lag" notification
* is sent. Note that calling `startEventLoopLagTracking` when tracking
* is already enabled has no effect.
* @return true if tracking succeeded.
*/
bool startEventLoopLagTracking();
void stopEventLoopLagTracking();
};
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