pjs/embedding/android/GeckoApp.java

683 строки
26 KiB
Java

/* -*- Mode: Java; 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) 2009-2010
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Vladimir Vukicevic <vladimir@pobox.com>
* Matt Brubeck <mbrubeck@mozilla.com>
* Vivien Nicolas <vnicolas@mozilla.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
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
package org.mozilla.gecko;
import java.io.*;
import java.util.*;
import java.util.zip.*;
import java.nio.*;
import java.nio.channels.FileChannel;
import java.util.concurrent.*;
import android.os.*;
import android.app.*;
import android.text.*;
import android.view.*;
import android.view.inputmethod.*;
import android.content.*;
import android.content.res.*;
import android.graphics.*;
import android.widget.*;
import android.hardware.*;
import android.util.*;
import android.net.*;
abstract public class GeckoApp
extends Activity
{
public static final String ACTION_ALERT_CLICK = "org.mozilla.gecko.ACTION_ALERT_CLICK";
public static final String ACTION_ALERT_CLEAR = "org.mozilla.gecko.ACTION_ALERT_CLEAR";
public static FrameLayout mainLayout;
public static GeckoSurfaceView surfaceView;
public static GeckoApp mAppContext;
public static boolean mFullscreen = false;
public static boolean mStartedEarly = false;
public static File sGREDir = null;
static Thread mLibLoadThread = null;
enum LaunchState {PreLaunch, Launching, WaitButton,
Launched, GeckoRunning, GeckoExiting};
private static LaunchState sLaunchState = LaunchState.PreLaunch;
static boolean checkLaunchState(LaunchState checkState) {
synchronized(sLaunchState) {
return sLaunchState == checkState;
}
}
static void setLaunchState(LaunchState setState) {
synchronized(sLaunchState) {
sLaunchState = setState;
}
}
// if mLaunchState is equal to checkState this sets mLaunchState to setState
// and return true. Otherwise we return false.
static boolean checkAndSetLaunchState(LaunchState checkState, LaunchState setState) {
synchronized(sLaunchState) {
if (sLaunchState != checkState)
return false;
sLaunchState = setState;
return true;
}
}
void showErrorDialog(String message)
{
new AlertDialog.Builder(this)
.setMessage(message)
.setCancelable(false)
.setPositiveButton(R.string.exit_label,
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog,
int id)
{
GeckoApp.this.finish();
System.exit(0);
}
}).show();
}
// Returns true when the intent is going to be handled by gecko launch
boolean launch(Intent intent)
{
if (!checkAndSetLaunchState(LaunchState.Launching, LaunchState.Launched))
return false;
if (intent == null)
intent = getIntent();
final Intent i = intent;
new Thread() {
public void run() {
long startup_time = System.currentTimeMillis();
try {
if (mLibLoadThread != null)
mLibLoadThread.join();
} catch (InterruptedException ie) {}
surfaceView.mSplashStatusMsg =
getResources().getString(R.string.splash_screen_label);
surfaceView.drawSplashScreen();
// unpack files in the components directory
try {
unpackComponents();
} catch (FileNotFoundException fnfe) {
Log.e("GeckoApp", "error unpacking components", fnfe);
Looper.prepare();
showErrorDialog(getString(R.string.error_loading_file));
Looper.loop();
return;
} catch (IOException ie) {
Log.e("GeckoApp", "error unpacking components", ie);
String msg = ie.getMessage();
Looper.prepare();
if (msg != null && msg.equalsIgnoreCase("No space left on device"))
showErrorDialog(getString(R.string.no_space_to_start_error));
else
showErrorDialog(getString(R.string.error_loading_file));
Looper.loop();
return;
}
// and then fire us up
String env = i.getStringExtra("env0");
if (GeckoApp.mStartedEarly) {
GeckoAppShell.putenv("MOZ_APP_RESTART=" + startup_time);
}
GeckoAppShell.runGecko(getApplication().getPackageResourcePath(),
i.getStringExtra("args"),
i.getDataString());
}
}.start();
return true;
}
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState)
{
mAppContext = this;
SharedPreferences settings = getPreferences(Activity.MODE_PRIVATE);
String localeCode = settings.getString(getPackageName() + ".locale", "");
if (localeCode != null && localeCode.length() > 0)
GeckoAppShell.setSelectedLocale(localeCode);
Log.i("GeckoApp", "create");
super.onCreate(savedInstanceState);
if (sGREDir == null)
sGREDir = new File(this.getApplicationInfo().dataDir);
getWindow().setFlags(mFullscreen ?
WindowManager.LayoutParams.FLAG_FULLSCREEN : 0,
WindowManager.LayoutParams.FLAG_FULLSCREEN);
if (surfaceView == null)
surfaceView = new GeckoSurfaceView(this);
else
mainLayout.removeView(surfaceView);
mainLayout = new FrameLayout(this);
mainLayout.addView(surfaceView,
new FrameLayout.LayoutParams(FrameLayout.LayoutParams.FILL_PARENT,
FrameLayout.LayoutParams.FILL_PARENT));
setContentView(mainLayout,
new ViewGroup.LayoutParams(ViewGroup.LayoutParams.FILL_PARENT,
ViewGroup.LayoutParams.FILL_PARENT));
if (!checkAndSetLaunchState(LaunchState.PreLaunch,
LaunchState.Launching))
return;
checkAndLaunchUpdate();
mLibLoadThread = new Thread(new Runnable() {
public void run() {
// At some point while loading the gecko libs our default locale gets set
// so just save it to locale here and reset it as default after the join
Locale locale = Locale.getDefault();
GeckoAppShell.loadGeckoLibs(
getApplication().getPackageResourcePath());
Locale.setDefault(locale);
Resources res = getBaseContext().getResources();
Configuration config = res.getConfiguration();
config.locale = locale;
res.updateConfiguration(config, res.getDisplayMetrics());
}});
File cacheFile = GeckoAppShell.getCacheDir();
File libxulFile = new File(cacheFile, "libxul.so");
if (GeckoAppShell.getFreeSpace() > GeckoAppShell.kFreeSpaceThreshold &&
(!libxulFile.exists() ||
new File(getApplication().getPackageResourcePath()).lastModified()
>= libxulFile.lastModified()))
surfaceView.mSplashStatusMsg =
getResources().getString(R.string.splash_screen_installing);
else
surfaceView.mSplashStatusMsg =
getResources().getString(R.string.splash_screen_label);
mLibLoadThread.start();
if (IsNewInstall() && IsUnsupportedDevice()) {
new AlertDialog.Builder(this)
.setMessage(R.string.incompatable_device)
.setCancelable(false)
.setPositiveButton(R.string.continue_label, null)
.setNegativeButton(R.string.exit_label,
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog,
int id)
{
GeckoApp.this.finish();
System.exit(0);
}
})
.show();
}
}
boolean IsNewInstall() {
File appIni = new File(sGREDir, "application.ini");
return !appIni.exists();
}
boolean IsUnsupportedDevice() {
// We don't currently support devices with less than 256Mb of RAM, warn on first run
File meminfo = new File("/proc/meminfo");
try {
BufferedReader br = new BufferedReader(new FileReader(meminfo));
String totalMem = "";
while(!totalMem.contains("MemTotal:") && totalMem != null)
totalMem = br.readLine();
StringTokenizer st = new StringTokenizer(totalMem, " ");
st.nextToken(); // "MemInfo:"
totalMem = st.nextToken();
Log.i("GeckoMemory", "MemTotal: " + Integer.parseInt(totalMem));
return Integer.parseInt(totalMem) <= 262144L;
} catch (Exception ex) {
// Will catch NullPointerException if totalMem isn't found,
// a NumberFormatException if the token isn't parsible
// IOException from the file reading or NoSuchElementException
// if totalMem doesn't have 2 tokens. None of these are fatal,
// so log it and move on.
Log.w("GeckoMemTest", "Exception when finding total memory", ex);
}
return false;
}
@Override
protected void onNewIntent(Intent intent) {
if (checkLaunchState(LaunchState.GeckoExiting)) {
// We're exiting and shouldn't try to do anything else just incase
// we're hung for some reason we'll force the process to exit
System.exit(0);
return;
}
final String action = intent.getAction();
if ("org.mozilla.gecko.DEBUG".equals(action) &&
checkAndSetLaunchState(LaunchState.Launching, LaunchState.WaitButton)) {
final Button launchButton = new Button(this);
launchButton.setText("Launch"); // don't need to localize
launchButton.setOnClickListener(new Button.OnClickListener() {
public void onClick (View v) {
// hide the button so we can't be launched again
mainLayout.removeView(launchButton);
setLaunchState(LaunchState.Launching);
launch(null);
}
});
mainLayout.addView(launchButton, 300, 200);
return;
}
if (checkLaunchState(LaunchState.WaitButton) || launch(intent))
return;
if (Intent.ACTION_VIEW.equals(action)) {
String uri = intent.getDataString();
GeckoAppShell.sendEventToGecko(new GeckoEvent(uri));
Log.i("GeckoApp","onNewIntent: "+uri);
}
else if (Intent.ACTION_MAIN.equals(action)) {
Log.i("GeckoApp", "Intent : ACTION_MAIN");
GeckoAppShell.sendEventToGecko(new GeckoEvent(""));
}
else if (action.equals("org.mozilla.fennec.WEBAPP")) {
String uri = intent.getStringExtra("args");
GeckoAppShell.sendEventToGecko(new GeckoEvent(uri));
Log.i("GeckoApp","Intent : WEBAPP - " + uri);
}
}
@Override
public void onPause()
{
Log.i("GeckoApp", "pause");
GeckoAppShell.sendEventToGecko(new GeckoEvent(GeckoEvent.ACTIVITY_PAUSING));
// The user is navigating away from this activity, but nothing
// has come to the foreground yet; for Gecko, we may want to
// stop repainting, for example.
// Whatever we do here should be fast, because we're blocking
// the next activity from showing up until we finish.
// onPause will be followed by either onResume or onStop.
super.onPause();
}
@Override
public void onResume()
{
Log.i("GeckoApp", "resume");
if (checkLaunchState(LaunchState.GeckoRunning))
GeckoAppShell.onResume();
// After an onPause, the activity is back in the foreground.
// Undo whatever we did in onPause.
super.onResume();
// Just in case. Normally we start in onNewIntent
if (checkLaunchState(LaunchState.PreLaunch) ||
checkLaunchState(LaunchState.Launching))
onNewIntent(getIntent());
}
@Override
public void onStop()
{
Log.i("GeckoApp", "stop");
// We're about to be stopped, potentially in preparation for
// being destroyed. We're killable after this point -- as I
// understand it, in extreme cases the process can be terminated
// without going through onDestroy.
//
// We might also get an onRestart after this; not sure what
// that would mean for Gecko if we were to kill it here.
// Instead, what we should do here is save prefs, session,
// etc., and generally mark the profile as 'clean', and then
// dirty it again if we get an onResume.
GeckoAppShell.sendEventToGecko(new GeckoEvent(GeckoEvent.ACTIVITY_STOPPING));
super.onStop();
}
@Override
public void onRestart()
{
Log.i("GeckoApp", "restart");
super.onRestart();
}
@Override
public void onStart()
{
Log.i("GeckoApp", "start");
super.onStart();
}
@Override
public void onDestroy()
{
Log.i("GeckoApp", "destroy");
// Tell Gecko to shutting down; we'll end up calling System.exit()
// in onXreExit.
if (isFinishing())
GeckoAppShell.sendEventToGecko(new GeckoEvent(GeckoEvent.ACTIVITY_SHUTDOWN));
super.onDestroy();
}
@Override
public void onConfigurationChanged(android.content.res.Configuration newConfig)
{
Log.i("GeckoApp", "configuration changed");
// nothing, just ignore
super.onConfigurationChanged(newConfig);
}
@Override
public void onLowMemory()
{
Log.e("GeckoApp", "low memory");
if (checkLaunchState(LaunchState.GeckoRunning))
GeckoAppShell.onLowMemory();
super.onLowMemory();
}
abstract public String getPackageName();
abstract public String getContentProcessName();
protected void unpackComponents()
throws IOException, FileNotFoundException
{
ZipFile zip;
InputStream listStream;
File componentsDir = new File(sGREDir, "components");
componentsDir.mkdir();
zip = new ZipFile(getApplication().getPackageResourcePath());
byte[] buf = new byte[8192];
unpackFile(zip, buf, null, "application.ini");
unpackFile(zip, buf, null, getContentProcessName());
try {
unpackFile(zip, buf, null, "update.locale");
} catch (Exception e) {/* this is non-fatal */}
// copy any .xpi file into an extensions/ directory
Enumeration<? extends ZipEntry> zipEntries = zip.entries();
while (zipEntries.hasMoreElements()) {
ZipEntry entry = zipEntries.nextElement();
if (entry.getName().startsWith("extensions/") && entry.getName().endsWith(".xpi")) {
Log.i("GeckoAppJava", "installing extension : " + entry.getName());
unpackFile(zip, buf, entry, entry.getName());
}
}
}
private void unpackFile(ZipFile zip, byte[] buf, ZipEntry fileEntry,
String name)
throws IOException, FileNotFoundException
{
if (fileEntry == null)
fileEntry = zip.getEntry(name);
if (fileEntry == null)
throw new FileNotFoundException("Can't find " + name + " in " +
zip.getName());
File outFile = new File(sGREDir, name);
if (outFile.exists() &&
outFile.lastModified() == fileEntry.getTime() &&
outFile.length() == fileEntry.getSize())
return;
killAnyZombies();
File dir = outFile.getParentFile();
if (!outFile.exists())
dir.mkdirs();
InputStream fileStream;
fileStream = zip.getInputStream(fileEntry);
OutputStream outStream = new FileOutputStream(outFile);
while (fileStream.available() > 0) {
int read = fileStream.read(buf, 0, buf.length);
outStream.write(buf, 0, read);
}
fileStream.close();
outStream.close();
outFile.setLastModified(fileEntry.getTime());
}
boolean haveKilledZombies = false;
void killAnyZombies() {
if (haveKilledZombies)
return;
haveKilledZombies = true;
File proc = new File("/proc");
File[] files = proc.listFiles();
for (int i = 0; i < files.length; i++) {
File p = files[i];
File pEnv = new File(p, "environ");
if (pEnv.canRead() && !p.getName().equals("self")) {
int pid = Integer.parseInt(p.getName());
if (pid != android.os.Process.myPid()) {
Log.i("GeckoProcs", "gonna kill pid: " + p.getName());
android.os.Process.killProcess(pid);
}
}
}
}
public void addEnvToIntent(Intent intent) {
Map<String,String> envMap = System.getenv();
Set<Map.Entry<String,String>> envSet = envMap.entrySet();
Iterator<Map.Entry<String,String>> envIter = envSet.iterator();
StringBuffer envstr = new StringBuffer();
int c = 0;
while (envIter.hasNext()) {
Map.Entry<String,String> entry = envIter.next();
intent.putExtra("env" + c, entry.getKey() + "="
+ entry.getValue());
c++;
}
}
public void doRestart() {
try {
String action = "org.mozilla.gecko.restart";
Intent intent = new Intent(action);
intent.setClassName(getPackageName(),
getPackageName() + ".Restarter");
addEnvToIntent(intent);
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK |
Intent.FLAG_ACTIVITY_MULTIPLE_TASK);
Log.i("GeckoAppJava", intent.toString());
startActivity(intent);
} catch (Exception e) {
Log.i("GeckoAppJava", "error doing restart", e);
}
finish();
// Give the restart process time to start before we die
try {
Thread.currentThread().sleep(1000);
} catch (InterruptedException ie) {}
}
public void handleNotification(String action, String alertName, String alertCookie) {
GeckoAppShell.handleNotification(action, alertName, alertCookie);
}
private void checkAndLaunchUpdate() {
Log.i("GeckoAppJava", "Checking for an update");
int statusCode = 8; // UNEXPECTED_ERROR
File baseUpdateDir = null;
if (Build.VERSION.SDK_INT >= 8)
baseUpdateDir = getExternalFilesDir(Environment.DIRECTORY_DOWNLOADS);
else
baseUpdateDir = new File(Environment.getExternalStorageDirectory().getPath(), "download");
File updateDir = new File(new File(baseUpdateDir, "updates"),"0");
File updateFile = new File(updateDir, "update.apk");
File statusFile = new File(updateDir, "update.status");
if (!statusFile.exists() || !readUpdateStatus(statusFile).equals("pending"))
return;
if (!updateFile.exists())
return;
Log.i("GeckoAppJava", "Update is available!");
// Launch APK
File updateFileToRun = new File(updateDir + getPackageName() + "-update.apk");
try {
if (updateFile.renameTo(updateFileToRun)) {
String amCmd = "/system/bin/am start -a android.intent.action.VIEW " +
"-n com.android.packageinstaller/.PackageInstallerActivity -d file://" +
updateFileToRun.getPath();
Log.i("GeckoAppJava", amCmd);
Runtime.getRuntime().exec(amCmd);
statusCode = 0; // OK
} else {
Log.i("GeckoAppJava", "Cannot rename the update file!");
statusCode = 7; // WRITE_ERROR
}
} catch (Exception e) {
Log.i("GeckoAppJava", "error launching installer to update", e);
}
// Update the status file
String status = statusCode == 0 ? "succeeded\n" : "failed: "+ statusCode + "\n";
OutputStream outStream;
try {
byte[] buf = status.getBytes("UTF-8");
outStream = new FileOutputStream(statusFile);
outStream.write(buf, 0, buf.length);
outStream.close();
} catch (Exception e) {
Log.i("GeckoAppJava", "error writing status file", e);
}
if (statusCode == 0)
System.exit(0);
}
private String readUpdateStatus(File statusFile) {
String status = "";
try {
BufferedReader reader = new BufferedReader(new FileReader(statusFile));
status = reader.readLine();
reader.close();
} catch (Exception e) {
Log.i("GeckoAppJava", "error reading update status", e);
}
return status;
}
static final int FILE_PICKER_REQUEST = 1;
private SynchronousQueue<String> mFilePickerResult = new SynchronousQueue();
public String showFilePicker(String aMimeType) {
Intent intent = new Intent(Intent.ACTION_GET_CONTENT);
intent.addCategory(Intent.CATEGORY_OPENABLE);
intent.setType(aMimeType);
GeckoApp.this.
startActivityForResult(
Intent.createChooser(intent,"choose a file"),
FILE_PICKER_REQUEST);
String filePickerResult = "";
try {
filePickerResult = mFilePickerResult.take();
} catch (InterruptedException e) {
Log.i("GeckoApp", "showing file picker ", e);
}
return filePickerResult;
}
@Override
protected void onActivityResult(int requestCode, int resultCode,
Intent data) {
String filePickerResult = "";
if (data != null && resultCode == RESULT_OK) {
try {
ContentResolver cr = getContentResolver();
Uri uri = data.getData();
String mimeType = cr.getType(uri);
String fileExt = "." +
mimeType.substring(mimeType.lastIndexOf('/') + 1);
File file =
File.createTempFile("tmp_" +
(int)Math.floor(1000 * Math.random()),
fileExt, sGREDir);
FileOutputStream fos = new FileOutputStream(file);
InputStream is = cr.openInputStream(uri);
byte[] buf = new byte[4096];
int len = is.read(buf);
while (len != -1) {
fos.write(buf, 0, len);
len = is.read(buf);
}
fos.close();
filePickerResult = file.getAbsolutePath();
}catch (Exception e) {
Log.e("GeckoApp", "showing file picker", e);
}
}
try {
mFilePickerResult.put(filePickerResult);
} catch (InterruptedException e) {
Log.i("GeckoApp", "error returning file picker result", e);
}
}
}