gecko/mobile/android/base/AboutHomeContent.java

300 lines
12 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) 2011
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Brad Lassey <blassey@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.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.InputStream;
import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;
import org.json.JSONArray;
import org.json.JSONObject;
import org.mozilla.gecko.db.BrowserDB;
import org.mozilla.gecko.db.BrowserDB.URLColumns;
import android.app.Activity;
import android.content.ContentResolver;
import android.content.Context;
import android.database.Cursor;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.util.AttributeSet;
import android.util.Log;
import android.view.Display;
import android.view.LayoutInflater;
import android.view.View;
import android.view.WindowManager;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.GridView;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.ListAdapter;
import android.widget.ListView;
import android.widget.SimpleCursorAdapter;
import android.widget.TextView;
public class AboutHomeContent extends LinearLayout {
public interface UriLoadCallback {
public void callback(String uriSpec);
}
UriLoadCallback mUriLoadCallback = null;
void setUriLoadCallback(UriLoadCallback uriLoadCallback) {
mUriLoadCallback = uriLoadCallback;
}
public AboutHomeContent(Context context, AttributeSet attrs) {
super(context, attrs);
}
private static final String LOGTAG = "GeckoAboutHome";
private static final int NUMBER_OF_TOP_SITES = 3;
private static final int kTileWidth = 122;
private Cursor mCursor;
protected ListAdapter mGridAdapter;
protected ArrayAdapter<String> mAddonAdapter;
protected GridView mGrid;
protected ListView mAddonList;
public void onActivityContentChanged(Activity activity) {
mGrid = (GridView)findViewById(R.id.grid);
if (mGrid == null)
return;
mGrid.setOnItemClickListener(mGridOnClickListener);
// we want to do this: mGrid.setNumColumns(GridView.AUTO_FIT); but it doesn't work
Display display = ((WindowManager) activity.getSystemService(Context.WINDOW_SERVICE)).getDefaultDisplay();
int width = display.getWidth();
mGrid.setNumColumns((int) Math.floor(width / kTileWidth));
mAddonList = (ListView)findViewById(R.id.recommended_addon_list);
GeckoApp.mAppContext.mMainHandler.post(new Runnable() {
public void run() {
mGrid.setAdapter(mGridAdapter);
}
});
}
private AdapterView.OnItemClickListener mGridOnClickListener = new AdapterView.OnItemClickListener() {
public void onItemClick(AdapterView<?> parent, View v, int position, long id)
{
onGridItemClick((GridView)parent, v, position, id);
}
};
void init(final Activity activity) {
GeckoAppShell.getHandler().post(new Runnable() {
public void run() {
ContentResolver resolver = GeckoApp.mAppContext.getContentResolver();
mCursor = BrowserDB.filter(resolver, "", NUMBER_OF_TOP_SITES);
activity.startManagingCursor(mCursor);
onActivityContentChanged(activity);
mAddonAdapter = new ArrayAdapter<String>(activity, R.layout.abouthome_addon_list_item);
GeckoApp.mAppContext.mMainHandler.post(new Runnable() {
public void run() {
final SimpleCursorAdapter gridAdapter =
new SimpleCursorAdapter(activity, R.layout.abouthome_grid_box, mCursor,
new String[] { URLColumns.TITLE,
URLColumns.FAVICON,
URLColumns.URL,
URLColumns.THUMBNAIL },
new int[] {R.id.bookmark_title, R.id.bookmark_icon, R.id.bookmark_url, R.id.screenshot});
mGrid.setAdapter(gridAdapter);
gridAdapter.setViewBinder(new AwesomeCursorViewBinder());
mAddonList.setAdapter(mAddonAdapter);
}
});
readRecommendedAddons(activity);
}
});
}
InputStream getProfileRecommendedAddonsStream() {
try {
File profileDir = GeckoApp.mAppContext.getProfileDir();
if (profileDir == null)
return null;
File recommendedAddonsFile = new File(profileDir, "recommended-addons.json");
if (!recommendedAddonsFile.exists())
return null;
return new FileInputStream(recommendedAddonsFile);
} catch (FileNotFoundException fnfe) {
// ignore
}
return null;
}
InputStream getRecommendedAddonsStream(Activity activity) throws Exception{
InputStream is = getProfileRecommendedAddonsStream();
if (is != null)
return is;
File applicationPackage = new File(activity.getApplication().getPackageResourcePath());
ZipFile zip = new ZipFile(applicationPackage);
ZipEntry fileEntry = zip.getEntry("recommended-addons.json");
return zip.getInputStream(fileEntry);
}
void readRecommendedAddons(final Activity activity) {
GeckoAppShell.getHandler().post(new Runnable() {
public void run() {
try {
byte[] buf = new byte[32768];
InputStream fileStream = getRecommendedAddonsStream(activity);
StringBuffer jsonString = new StringBuffer();
int read = 0;
while ((read = fileStream.read(buf, 0, 32768)) != -1) {
jsonString.append(new String(buf, 0, read));
}
final JSONArray array = new JSONObject(jsonString.toString()).getJSONArray("addons");
GeckoApp.mAppContext.mMainHandler.post(new Runnable() {
public void run() {
try {
for (int i = 0; i < array.length(); i++) {
JSONObject jsonobj = array.getJSONObject(i);
mAddonAdapter.add(jsonobj.getString("name"));
Log.i("GeckoAddons", "addon #" + i +": " + jsonobj.getString("name"));
}
} catch (Exception e) {
Log.i("GeckoAddons", "error reading json file", e);
}
}
});
} catch (Exception e) {
Log.i("GeckoAddons", "error reading json file", e);
}
}
});
}
protected void onGridItemClick(GridView l, View v, int position, long id) {
mCursor.moveToPosition(position);
String spec = mCursor.getString(mCursor.getColumnIndex(URLColumns.URL));
Log.i(LOGTAG, "clicked: " + spec);
if (mUriLoadCallback != null)
mUriLoadCallback.callback(spec);
}
}
class AwesomeCursorViewBinder implements SimpleCursorAdapter.ViewBinder {
private static final String LOGTAG = "GeckoAwesomeCursorViewBinder";
private boolean updateImage(View view, Cursor cursor, int faviconIndex) {
byte[] b = cursor.getBlob(faviconIndex);
ImageView favicon = (ImageView) view;
if (b == null) {
favicon.setImageResource(R.drawable.favicon);
} else {
try {
Bitmap bitmap = BitmapFactory.decodeByteArray(b, 0, b.length);
favicon.setImageBitmap(bitmap);
} catch (OutOfMemoryError oom) {
Log.e(LOGTAG, "Unable to load thumbnail bitmap", oom);
favicon.setImageResource(R.drawable.favicon);
}
}
return true;
}
private boolean updateTitle(View view, Cursor cursor, int titleIndex) {
String title = cursor.getString(titleIndex);
TextView titleView = (TextView)view;
// Use the URL instead of an empty title for consistency with the normal URL
// bar view - this is the equivalent of getDisplayTitle() in Tab.java
if (title == null || title.length() == 0) {
int urlIndex = cursor.getColumnIndexOrThrow(URLColumns.URL);
title = cursor.getString(urlIndex);
}
titleView.setText(title);
return true;
}
private boolean updateUrl(View view, Cursor cursor, int urlIndex) {
String title = cursor.getString(urlIndex);
TextView urlView = (TextView)view;
if (title != null) {
int index;
if ((index = title.indexOf("://")) != -1)
title = title.substring(index + 3);
if (title.startsWith("www."))
title = title.substring(4);
if (title.endsWith("/"))
title = title.substring(0, title.length() -1);
}
urlView.setText(title);
return true;
}
@Override
public boolean setViewValue(View view, Cursor cursor, int columnIndex) {
int faviconIndex = cursor.getColumnIndexOrThrow(URLColumns.FAVICON);
if (columnIndex == faviconIndex) {
return updateImage(view, cursor, faviconIndex);
}
int titleIndex = cursor.getColumnIndexOrThrow(URLColumns.TITLE);
if (columnIndex == titleIndex) {
return updateTitle(view, cursor, titleIndex);
}
int urlIndex = cursor.getColumnIndexOrThrow(URLColumns.URL);
if (columnIndex == urlIndex) {
return updateUrl(view, cursor, urlIndex);
}
int thumbIndex = cursor.getColumnIndexOrThrow(URLColumns.THUMBNAIL);
if (columnIndex == thumbIndex) {
return updateImage(view, cursor, thumbIndex);
}
// Other columns are handled automatically
return false;
}
}