3887ea225b
author = edburns r = ashuk git-svn-id: svn://10.0.0.236/trunk@71180 18797224-902f-48f8-a5cc-f745e15eee43
164 lines
4.8 KiB
C++
164 lines
4.8 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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*
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* The contents of this file are subject to the Mozilla Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is RaptorCanvas.
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*
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* The Initial Developer of the Original Code is Kirk Baker and
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* Ian Wilkinson. Portions created by Kirk Baker and Ian Wilkinson are
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* Copyright (C) 1999 Kirk Baker and Ian Wilkinson. All
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* Rights Reserved.
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*
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* Contributor(s): Kirk Baker <kbaker@eb.com>
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* Ian Wilkinson <iw@ennoble.com>
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* Mark Lin <mark.lin@eng.sun.com>
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* Mark Goddard
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* Ed Burns <edburns@acm.org>
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* Ann Sunhachawee
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*/
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#ifndef DocumentLoaderObserverImpl_h
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#define DocumentLoaderObserverImpl_h
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#include "nsISupports.h"
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#include "nsISupportsUtils.h"
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#include "nsString.h"
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#include "nsIDocumentLoaderObserver.h"
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#include "nsIDOMMouseListener.h"
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#include "nsIDOMEventTarget.h"
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class nsIURI;
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#include "jni_util.h"
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#include "nsCOMPtr.h"
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/**
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* We define a local IID to allow the addDocumentLoadListener and
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* addMouseListener functions in EventRegistration.{h,cpp} to
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* interrogate the currently installed DocumentLoaderObserver instance
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* in mozilla.
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*/
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#define NS_IDOCLOADEROBSERVERIMPL_IID_STR "fdadb2e0-3028-11d4-8a96-0080c7b9c5ba"
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#define NS_IDOCLOADEROBSERVERIMPL_IID {0xfdadb2e0, 0x3028, 0x11d4, { 0x8a, 0x96, 0x00, 0x80, 0xc7, 0xb9, 0xc5, 0xba }}
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/**
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* This class is the shim between the mozilla listener event system for
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* document load events and the java DocumentLoadListener interface.
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* For each of the On* methods, we call the appropriate method in java.
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* See the implementation of OnEndDocumentLoad for an example.
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* A DocumentLoaderObserverImpl instance has a "jobject target", which
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* is the Java object that should ultimately receive the events. This
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* target will be null if the user just wants to listen for mouse
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* events. It willl be non-null if the user wants to listen for
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* DocumentLoad events.
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* It also hosts a nsIDOMMouseListener instance, which piggybacks on the
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* nsIDocumentLoaderObserver instance.
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*/
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class DocumentLoaderObserverImpl : public nsIDocumentLoaderObserver {
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NS_DECL_ISUPPORTS
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public:
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typedef enum {
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START_DOCUMENT_LOAD_EVENT_MASK = 0,
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END_DOCUMENT_LOAD_EVENT_MASK,
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START_URL_LOAD_EVENT_MASK,
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END_URL_LOAD_EVENT_MASK,
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PROGRESS_URL_LOAD_EVENT_MASK,
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STATUS_URL_LOAD_EVENT_MASK,
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UNKNOWN_CONTENT_EVENT_MASK,
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FETCH_INTERRUPT_EVENT_MASK,
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NUMBER_OF_MASK_NAMES
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} EVENT_MASK_NAMES;
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#ifdef XP_UNIX
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static jlong maskValues [NUMBER_OF_MASK_NAMES];
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#else
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static jlong maskValues [DocumentLoaderObserverImpl::EVENT_MASK_NAMES::NUMBER_OF_MASK_NAMES];
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#endif
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static char *maskNames [];
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DocumentLoaderObserverImpl(JNIEnv *yourJNIEnv,
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WebShellInitContext *yourInitContext);
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DocumentLoaderObserverImpl();
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virtual ~DocumentLoaderObserverImpl();
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/* nsIDocumentLoaderObserver methods */
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NS_IMETHOD OnStartDocumentLoad(nsIDocumentLoader* loader,
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nsIURI* aURL,
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const char* aCommand);
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NS_IMETHOD OnEndDocumentLoad(nsIDocumentLoader* loader,
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nsIChannel* channel,
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nsresult aStatus);
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NS_IMETHOD OnStartURLLoad(nsIDocumentLoader* loader,
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nsIChannel* channel);
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NS_IMETHOD OnProgressURLLoad(nsIDocumentLoader* loader,
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nsIChannel* channel,
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PRUint32 aProgress,
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PRUint32 aProgressMax);
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NS_IMETHOD OnStatusURLLoad(nsIDocumentLoader* loader,
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nsIChannel* channel,
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nsString& aMsg);
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NS_IMETHOD OnEndURLLoad(nsIDocumentLoader* loader,
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nsIChannel* channel,
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nsresult aStatus);
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NS_IMETHOD HandleUnknownContentType(nsIDocumentLoader* loader,
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nsIChannel* channel,
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const char *aContentType,
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const char *aCommand);
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//
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// Methods for NS_IDOCLOADEROBSERVERIMPL_IID
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//
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/**
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* Called in EventRegistration.{h,cpp} addMouseListener.
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*/
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NS_IMETHOD AddMouseListener(nsCOMPtr<nsIDOMMouseListener> toAdd);
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NS_IMETHOD RemoveMouseListener(void);
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NS_IMETHOD SetTarget(jobject newTarget);
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NS_IMETHOD ClearTarget(void);
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protected:
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JNIEnv *mJNIEnv;
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WebShellInitContext *mInitContext;
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jobject mTarget;
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nsCOMPtr<nsIDOMMouseListener> mMouseListener;
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nsCOMPtr<nsIDOMEventTarget> mDomEventTarget;
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};
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#endif // DocumentLoaderObserverImpl_h
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