gecko/toolkit/xre/nsAndroidStartup.cpp

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
 * ***** 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 Android port 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>
 *   Michael Wu <mwu@mozilla.com>
 *   Brad Lassey <blassey@mozilla.com>
 *   Alex Pakhotin <alexp@mozilla.com>
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 * 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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#include <android/log.h>

#include <jni.h>

#include <stdlib.h>
#include <string.h>
#include <pthread.h>

#include "nsTArray.h"
#include "nsString.h"
#include "nsILocalFile.h"
#include "nsAppRunner.h"
#include "AndroidBridge.h"
#include "APKOpen.h"
#include "nsExceptionHandler.h"

#define LOG(args...) __android_log_print(ANDROID_LOG_INFO, MOZ_APP_NAME, args)

// We need to put Gecko on a even more separate thread, because
// otherwise this JNI method never returns; this leads to problems
// with local references overrunning the local refs table, among
// other things, since GC can't ever run on them.

// Note that we don't have xpcom initialized yet, so we can't use the
// thread manager for this.  Instead, we use pthreads directly.

struct AutoAttachJavaThread {
    AutoAttachJavaThread() {
        attached = mozilla_AndroidBridge_SetMainThread((void*)pthread_self());
    }
    ~AutoAttachJavaThread() {
        mozilla_AndroidBridge_SetMainThread(nsnull);
        attached = false;
    }

    bool attached;
};

extern "C" NS_EXPORT void
GeckoStart(void *data, const nsXREAppData *appData)
{
#ifdef MOZ_CRASHREPORTER
    const struct mapping_info *info = getLibraryMapping();
    while (info->name) {
      CrashReporter::AddLibraryMapping(info->name, info->file_id, info->base,
                                       info->len, info->offset);
      info++;
    }
#endif

    AutoAttachJavaThread attacher;
    if (!attacher.attached)
        return;

    if (!data) {
        LOG("Failed to get arguments for GeckoStart\n");
        return;
    }

    nsTArray<char *> targs;
    char *arg = strtok(static_cast<char *>(data), " ");
    while (arg) {
        targs.AppendElement(arg);
        arg = strtok(NULL, " ");
    }
    targs.AppendElement(static_cast<char *>(nsnull));

    int result = XRE_main(targs.Length() - 1, targs.Elements(), appData);

    if (result)
        LOG("XRE_main returned %d", result);

    mozilla::AndroidBridge::Bridge()->NotifyXreExit();

    free(targs[0]);
    nsMemory::Free(data);
    return;
}