michael@0: /* -*- Mode: Java; c-basic-offset: 4; tab-width: 4; indent-tabs-mode: nil; -*-
michael@0:  * This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: package org.mozilla.gecko.webapp;
michael@0: 
michael@0: import java.io.BufferedReader;
michael@0: import java.io.File;
michael@0: import java.io.FileNotFoundException;
michael@0: import java.io.IOException;
michael@0: import java.io.InputStreamReader;
michael@0: import android.content.Context;
michael@0: import android.content.pm.ApplicationInfo;
michael@0: import android.content.pm.PackageManager;
michael@0: import android.content.pm.PackageManager.NameNotFoundException;
michael@0: import android.graphics.drawable.Drawable;
michael@0: import android.net.Uri;
michael@0: import android.os.Bundle;
michael@0: import android.os.Environment;
michael@0: import android.util.Log;
michael@0: 
michael@0: public class ApkResources {
michael@0:     private static final String LOGTAG = "GeckoWebappApkResources";
michael@0:     private final String mPackageName;
michael@0:     private final ApplicationInfo mInfo;
michael@0:     private final Context mContext;
michael@0: 
michael@0:     public ApkResources(Context context, String packageName) throws NameNotFoundException {
michael@0:         mPackageName = packageName;
michael@0:         mInfo = context.getPackageManager().getApplicationInfo(
michael@0:                     mPackageName, PackageManager.GET_META_DATA);
michael@0:         mContext = context;
michael@0:     }
michael@0: 
michael@0:     private ApplicationInfo info() {
michael@0:         return mInfo;
michael@0:     }
michael@0: 
michael@0:     public String getPackageName() {
michael@0:         return mPackageName;
michael@0:     }
michael@0: 
michael@0:     private Bundle metadata() {
michael@0:         return mInfo.metaData;
michael@0:     }
michael@0: 
michael@0:     public String getManifest(Context context) {
michael@0:         return readResource(context, "manifest");
michael@0:     }
michael@0: 
michael@0:     public String getMiniManifest(Context context) {
michael@0:         return readResource(context, "mini");
michael@0:     }
michael@0: 
michael@0:     public String getManifestUrl() {
michael@0:         return metadata().getString("manifestUrl");
michael@0:     }
michael@0: 
michael@0:     public boolean isPackaged() {
michael@0:         return "packaged".equals(getWebappType());
michael@0:     }
michael@0: 
michael@0:     public boolean isDebuggable() {
michael@0:         return (mInfo.flags & ApplicationInfo.FLAG_DEBUGGABLE) != 0;
michael@0:     }
michael@0: 
michael@0:     private String readResource(Context context, String resourceName) {
michael@0:         Uri resourceUri = Uri.parse("android.resource://" + mPackageName
michael@0:                 + "/raw/" + resourceName);
michael@0:         StringBuilder fileContent = new StringBuilder();
michael@0:         try {
michael@0:             BufferedReader r = new BufferedReader(new InputStreamReader(context
michael@0:                     .getContentResolver().openInputStream(resourceUri)));
michael@0:             String line;
michael@0: 
michael@0:             while ((line = r.readLine()) != null) {
michael@0:                 fileContent.append(line);
michael@0:             }
michael@0:         } catch (FileNotFoundException e) {
michael@0:             Log.e(LOGTAG, String.format("File not found: \"%s\"", resourceName));
michael@0:         } catch (IOException e) {
michael@0:             Log.e(LOGTAG, String.format("Couldn't read file: \"%s\"", resourceName));
michael@0:         }
michael@0: 
michael@0:         return fileContent.toString();
michael@0:     }
michael@0: 
michael@0:     public Uri getAppIconUri() {
michael@0:         return Uri.parse("android.resource://" + mPackageName + "/" + info().icon);
michael@0:     }
michael@0: 
michael@0:     public Drawable getAppIcon() {
michael@0:         return info().loadIcon(mContext.getPackageManager());
michael@0:     }
michael@0: 
michael@0:     public String getWebappType() {
michael@0:         return metadata().getString("webapp");
michael@0:     }
michael@0: 
michael@0:     public String getAppName() {
michael@0:         return info().name;
michael@0:     }
michael@0: 
michael@0:     /**
michael@0:      * Which APK installer installed this APK.
michael@0:      *
michael@0:      * For OEM backed marketplaces, this will be non-<code>null</code>. Otherwise, <code>null</code>.
michael@0:      *
michael@0:      * TODO check that the G+ package installer gives us non-null results.
michael@0:      *
michael@0:      * @return the package name of the APK that installed this.
michael@0:      */
michael@0:     public String getPackageInstallerName() {
michael@0:         return mContext.getPackageManager().getInstallerPackageName(mPackageName);
michael@0:     }
michael@0: 
michael@0:     public Uri getZipFileUri() {
michael@0:         return Uri.parse("android.resource://" + mPackageName + "/raw/application");
michael@0:     }
michael@0: 
michael@0:     public File getFileDirectory() {
michael@0:         File dir = mContext.getExternalFilesDir(Environment.DIRECTORY_DOWNLOADS);
michael@0:         String path = dir.getAbsolutePath().replace(mContext.getPackageName(), mPackageName);
michael@0: 
michael@0:         dir = new File(path);
michael@0: 
michael@0:         if (!dir.exists()) {
michael@0:             dir.mkdirs();
michael@0:         }
michael@0: 
michael@0:         return dir;
michael@0:     }
michael@0: }