gecko/widget/src/android/AndroidJNI.cpp

/* -*- Mode: c++; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
 * ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is Mozilla Android code.
 *
 * The Initial Developer of the Original Code is Mozilla Foundation.
 * Portions created by the Initial Developer are Copyright (C) 2010
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Vladimir Vukicevic <vladimir@pobox.com>
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
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 * decision by deleting the provisions above and replace them with the notice
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 * the provisions above, a recipient may use your version of this file under
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 * ***** END LICENSE BLOCK ***** */

#include "nsILocalFile.h"
#include "nsString.h"

#include "AndroidBridge.h"

#include <jni.h>
#include <pthread.h>
#include <dlfcn.h>

#include "nsAppShell.h"
#include "nsWindow.h"
#include <android/log.h>

using namespace mozilla;

/* Forward declare all the JNI methods as extern "C" */

extern "C" {
    NS_EXPORT void JNICALL Java_org_mozilla_gecko_GeckoAppShell_nativeInit(JNIEnv *, jclass);
    NS_EXPORT void JNICALL Java_org_mozilla_gecko_GeckoAppShell_notifyGeckoOfEvent(JNIEnv *, jclass, jobject event);
    NS_EXPORT void JNICALL Java_org_mozilla_gecko_GeckoAppShell_setSurfaceView(JNIEnv *jenv, jclass, jobject sv);
    NS_EXPORT void JNICALL Java_org_mozilla_gecko_GeckoAppShell_setInitialSize(JNIEnv *jenv, jclass, int width, int height);
    NS_EXPORT void JNICALL Java_org_mozilla_gecko_GeckoAppShell_onResume(JNIEnv *, jclass);
    NS_EXPORT void JNICALL Java_org_mozilla_gecko_GeckoAppShell_callObserver(JNIEnv *, jclass, jstring observerKey, jstring topic, jstring data);
    NS_EXPORT void JNICALL Java_org_mozilla_gecko_GeckoAppShell_removeObserver(JNIEnv *jenv, jclass, jstring jObserverKey);
}


/*
 * Incoming JNI methods
 */

NS_EXPORT void JNICALL
Java_org_mozilla_gecko_GeckoAppShell_nativeInit(JNIEnv *jenv, jclass jc)
{
    AndroidBridge::ConstructBridge(jenv, jc);
}

NS_EXPORT void JNICALL
Java_org_mozilla_gecko_GeckoAppShell_notifyGeckoOfEvent(JNIEnv *jenv, jclass jc, jobject event)
{
    // poke the appshell
    if (nsAppShell::gAppShell)
        nsAppShell::gAppShell->PostEvent(new AndroidGeckoEvent(jenv, event));
    else if (!nsAppShell::gEarlyEvent)
        nsAppShell::gEarlyEvent = new AndroidGeckoEvent(jenv, event);
}

NS_EXPORT void JNICALL
Java_org_mozilla_gecko_GeckoAppShell_setSurfaceView(JNIEnv *jenv, jclass, jobject obj)
{
    AndroidBridge::Bridge()->SetSurfaceView(jenv->NewGlobalRef(obj));
}

NS_EXPORT void JNICALL
Java_org_mozilla_gecko_GeckoAppShell_setInitialSize(JNIEnv *jenv, jclass, int width, int height)
{
    nsWindow::SetInitialAndroidBounds(gfxIntSize(width, height));
}

NS_EXPORT void JNICALL
Java_org_mozilla_gecko_GeckoAppShell_onResume(JNIEnv *jenv, jclass jc)
{
    if (nsAppShell::gAppShell)
        nsAppShell::gAppShell->OnResume();
}

NS_EXPORT void JNICALL
Java_org_mozilla_gecko_GeckoAppShell_callObserver(JNIEnv *jenv, jclass, jstring jObserverKey, jstring jTopic, jstring jData)
{
    if (!nsAppShell::gAppShell)
        return;

    nsJNIString sObserverKey(jObserverKey, jenv);
    nsJNIString sTopic(jTopic, jenv);
    nsJNIString sData(jData, jenv);

    nsAppShell::gAppShell->CallObserver(sObserverKey, sTopic, sData);
}

NS_EXPORT void JNICALL
Java_org_mozilla_gecko_GeckoAppShell_removeObserver(JNIEnv *jenv, jclass, jstring jObserverKey)
{
    if (!nsAppShell::gAppShell)
        return;

    const jchar *observerKey = jenv->GetStringChars(jObserverKey, NULL);
    nsString sObserverKey(observerKey);
    sObserverKey.SetLength(jenv->GetStringLength(jObserverKey));
    jenv->ReleaseStringChars(jObserverKey, observerKey);

    nsAppShell::gAppShell->RemoveObserver(sObserverKey);
}