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103 lines
5.0 KiB
Plaintext
103 lines
5.0 KiB
Plaintext
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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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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/**
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* nsIWindowProvider is a callback interface used by Gecko when it needs to
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* open a new window. This interface can be implemented by Gecko consumers who
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* wish to provide a custom "new window" of their own (for example by returning
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* a new tab, an existing window, etc) instead of just having a real new
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* toplevel window open.
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*/
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#include "nsISupports.idl"
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interface nsIDOMWindow;
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interface nsIURI;
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/**
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* The nsIWindowProvider interface exists so that the window watcher's default
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* behavior of opening a new window can be easly modified. When the window
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* watcher needs to open a new window, it will first check with the
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* nsIWindowProvider it gets from the parent window. If there is no provider
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* or the provider does not provide a window, the window watcher will proceed
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* to actually open a new window.
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*/
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[scriptable, uuid(f607bd66-08e5-4d2e-ad83-9f9f3ca17658)]
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interface nsIWindowProvider : nsISupports
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{
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/**
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* A method to request that this provider provide a window. The window
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* returned need not to have the right name or parent set on it; setting
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* those is the caller's responsibility. The provider can always return null
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* to have the caller create a brand-new window.
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*
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* @param aParent Must not be null. This is the window that the caller wants
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* to use as the parent for the new window. Generally,
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* nsIWindowProvider implementors can expect to be somehow related to
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* aParent; the relationship may depend on the nsIWindowProvider
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* implementation.
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*
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* @param aChromeFlags The chrome flags the caller will use to create a new
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* window if this provider returns null. See nsIWebBrowserChrome for
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* the possible values of this field.
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*
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* @param aPositionSpecified Whether the attempt to create a window is trying
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* to specify a position for the new window.
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*
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* @param aSizeSpecified Whether the attempt to create a window is trying to
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* specify a size for the new window.
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*
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* @param aURI The URI to be loaded in the new window (may be NULL). The
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* nsIWindowProvider implementation must not load this URI into the
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* window it returns. This URI is provided solely to help the
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* nsIWindowProvider implementation make decisions; the caller will
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* handle loading the URI in the window returned if provideWindow
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* returns a window.
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*
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* When making decisions based on aURI, note that even when it's not
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* null, aURI may not represent all relevant information about the
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* load. For example, the load may have extra load flags, POST data,
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* etc.
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*
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* @param aName The name of the window being opened. Setting the name on the
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* return value of provideWindow will be handled by the caller; aName
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* is provided solely to help the nsIWindowProvider implementation
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* make decisions.
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*
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* @param aFeatures The feature string for the window being opened. This may
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* be empty. The nsIWindowProvider implementation is allowed to apply
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* the feature string to the window it returns in any way it sees fit.
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* See the nsIWindowWatcher interface for details on feature strings.
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*
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* @param aWindowIsNew [out] Whether the window being returned was just
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* created by the window provider implementation. This can be used by
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* callers to keep track of which windows were opened by the user as
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* opposed to being opened programmatically. This should be set to
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* false if the window being returned existed before the
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* provideWindow() call. The value of this out parameter is
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* meaningless if provideWindow() returns null.
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* @return A window the caller should use or null if the caller should just
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* create a new window. The returned window may be newly opened by
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* the nsIWindowProvider implementation or may be a window that
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* already existed.
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*
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* @throw NS_ERROR_ABORT if the caller should cease its attempt to open a new
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* window.
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*
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* @see nsIWindowWatcher for more information on aFeatures.
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* @see nsIWebBrowserChrome for more information on aChromeFlags.
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*/
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nsIDOMWindow provideWindow(in nsIDOMWindow aParent,
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in unsigned long aChromeFlags,
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in boolean aCalledFromJS,
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in boolean aPositionSpecified,
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in boolean aSizeSpecified,
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in nsIURI aURI,
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in AString aName,
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in AUTF8String aFeatures,
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out boolean aWindowIsNew);
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};
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