mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
366 lines
12 KiB
Java
366 lines
12 KiB
Java
/* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
|
|
* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
package org.mozilla.gecko;
|
|
|
|
import org.mozilla.gecko.db.BrowserDB;
|
|
import org.mozilla.gecko.util.GeckoJarReader;
|
|
|
|
import org.apache.http.HttpEntity;
|
|
import org.apache.http.client.methods.HttpGet;
|
|
import org.apache.http.entity.BufferedHttpEntity;
|
|
|
|
import android.content.ContentResolver;
|
|
import android.content.ContentValues;
|
|
import android.content.Context;
|
|
import android.database.Cursor;
|
|
import android.database.sqlite.SQLiteDatabase;
|
|
import android.database.sqlite.SQLiteOpenHelper;
|
|
import android.database.sqlite.SQLiteQueryBuilder;
|
|
import android.graphics.drawable.BitmapDrawable;
|
|
import android.graphics.drawable.Drawable;
|
|
import android.net.http.AndroidHttpClient;
|
|
import android.os.AsyncTask;
|
|
import android.util.Log;
|
|
|
|
import java.io.InputStream;
|
|
import java.net.MalformedURLException;
|
|
import java.net.URI;
|
|
import java.net.URISyntaxException;
|
|
import java.net.URL;
|
|
import java.util.Collections;
|
|
import java.util.HashMap;
|
|
import java.util.Iterator;
|
|
import java.util.Map;
|
|
import java.util.Set;
|
|
|
|
public class Favicons {
|
|
private static final String LOGTAG = "GeckoFavicons";
|
|
|
|
public static final long NOT_LOADING = 0;
|
|
|
|
private Context mContext;
|
|
private DatabaseHelper mDbHelper;
|
|
|
|
private Map<Long,LoadFaviconTask> mLoadTasks;
|
|
private long mNextFaviconLoadId;
|
|
private static final String USER_AGENT = GeckoApp.mAppContext.getDefaultUAString();
|
|
private AndroidHttpClient mHttpClient;
|
|
|
|
public interface OnFaviconLoadedListener {
|
|
public void onFaviconLoaded(String url, Drawable favicon);
|
|
}
|
|
|
|
private class DatabaseHelper extends SQLiteOpenHelper {
|
|
private static final String DATABASE_NAME = "favicon_urls.db";
|
|
private static final String TABLE_NAME = "favicon_urls";
|
|
private static final int DATABASE_VERSION = 1;
|
|
|
|
private static final String COLUMN_ID = "_id";
|
|
private static final String COLUMN_FAVICON_URL = "favicon_url";
|
|
private static final String COLUMN_PAGE_URL = "page_url";
|
|
|
|
DatabaseHelper(Context context) {
|
|
super(context, DATABASE_NAME, null, DATABASE_VERSION);
|
|
Log.d(LOGTAG, "Creating DatabaseHelper");
|
|
}
|
|
|
|
@Override
|
|
public void onCreate(SQLiteDatabase db) {
|
|
Log.d(LOGTAG, "Creating database for favicon URLs");
|
|
|
|
db.execSQL("CREATE TABLE " + TABLE_NAME + " (" +
|
|
COLUMN_ID + " INTEGER PRIMARY KEY," +
|
|
COLUMN_FAVICON_URL + " TEXT NOT NULL," +
|
|
COLUMN_PAGE_URL + " TEXT UNIQUE NOT NULL" +
|
|
");");
|
|
}
|
|
|
|
@Override
|
|
public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
|
|
Log.w(LOGTAG, "Upgrading favicon URLs database from version " +
|
|
oldVersion + " to " + newVersion + ", which will destroy all old data");
|
|
|
|
// Drop table completely
|
|
db.execSQL("DROP TABLE IF EXISTS " + TABLE_NAME);
|
|
|
|
// Recreate database
|
|
onCreate(db);
|
|
}
|
|
|
|
public String getFaviconUrlForPageUrl(String pageUrl) {
|
|
SQLiteDatabase db = mDbHelper.getReadableDatabase();
|
|
|
|
SQLiteQueryBuilder qb = new SQLiteQueryBuilder();
|
|
qb.setTables(TABLE_NAME);
|
|
|
|
Cursor c = qb.query(
|
|
db,
|
|
new String[] { COLUMN_FAVICON_URL },
|
|
COLUMN_PAGE_URL + " = ?",
|
|
new String[] { pageUrl },
|
|
null, null, null
|
|
);
|
|
|
|
if (!c.moveToFirst()) {
|
|
c.close();
|
|
return null;
|
|
}
|
|
|
|
String url = c.getString(c.getColumnIndexOrThrow(COLUMN_FAVICON_URL));
|
|
c.close();
|
|
return url;
|
|
}
|
|
|
|
public void setFaviconUrlForPageUrl(String pageUrl, String faviconUrl) {
|
|
SQLiteDatabase db = mDbHelper.getWritableDatabase();
|
|
|
|
ContentValues values = new ContentValues();
|
|
values.put(COLUMN_FAVICON_URL, faviconUrl);
|
|
values.put(COLUMN_PAGE_URL, pageUrl);
|
|
|
|
db.replace(TABLE_NAME, null, values);
|
|
}
|
|
|
|
|
|
public void clearFavicons() {
|
|
SQLiteDatabase db = mDbHelper.getWritableDatabase();
|
|
db.delete(TABLE_NAME, null, null);
|
|
}
|
|
}
|
|
|
|
public Favicons(Context context) {
|
|
Log.d(LOGTAG, "Creating Favicons instance");
|
|
|
|
mContext = context;
|
|
mDbHelper = new DatabaseHelper(context);
|
|
|
|
mLoadTasks = Collections.synchronizedMap(new HashMap<Long,LoadFaviconTask>());
|
|
mNextFaviconLoadId = 0;
|
|
}
|
|
|
|
private synchronized AndroidHttpClient getHttpClient() {
|
|
if (mHttpClient != null)
|
|
return mHttpClient;
|
|
|
|
mHttpClient = AndroidHttpClient.newInstance(USER_AGENT);
|
|
return mHttpClient;
|
|
}
|
|
|
|
public String getFaviconUrlForPageUrl(String pageUrl) {
|
|
return mDbHelper.getFaviconUrlForPageUrl(pageUrl);
|
|
}
|
|
|
|
public long loadFavicon(String pageUrl, String faviconUrl, boolean persist,
|
|
OnFaviconLoadedListener listener) {
|
|
|
|
// Handle the case where page url is empty
|
|
if (pageUrl == null || pageUrl.length() == 0) {
|
|
if (listener != null)
|
|
listener.onFaviconLoaded(null, null);
|
|
}
|
|
|
|
LoadFaviconTask task = new LoadFaviconTask(pageUrl, faviconUrl, persist, listener);
|
|
|
|
long taskId = task.getId();
|
|
mLoadTasks.put(taskId, task);
|
|
|
|
task.execute();
|
|
|
|
return taskId;
|
|
}
|
|
|
|
public boolean cancelFaviconLoad(long taskId) {
|
|
Log.d(LOGTAG, "Requesting cancelation of favicon load (" + taskId + ")");
|
|
|
|
boolean cancelled = false;
|
|
synchronized (mLoadTasks) {
|
|
if (!mLoadTasks.containsKey(taskId))
|
|
return false;
|
|
|
|
Log.d(LOGTAG, "Cancelling favicon load (" + taskId + ")");
|
|
|
|
LoadFaviconTask task = mLoadTasks.get(taskId);
|
|
cancelled = task.cancel(false);
|
|
}
|
|
return cancelled;
|
|
}
|
|
|
|
public void clearFavicons() {
|
|
mDbHelper.clearFavicons();
|
|
}
|
|
|
|
public void close() {
|
|
Log.d(LOGTAG, "Closing Favicons database");
|
|
mDbHelper.close();
|
|
|
|
// Cancel any pending tasks
|
|
synchronized (mLoadTasks) {
|
|
Set<Long> taskIds = mLoadTasks.keySet();
|
|
Iterator<Long> iter = taskIds.iterator();
|
|
while (iter.hasNext()) {
|
|
long taskId = iter.next();
|
|
cancelFaviconLoad(taskId);
|
|
}
|
|
}
|
|
if (mHttpClient != null)
|
|
mHttpClient.close();
|
|
}
|
|
|
|
private class LoadFaviconTask extends AsyncTask<Void, Void, BitmapDrawable> {
|
|
private long mId;
|
|
private String mPageUrl;
|
|
private String mFaviconUrl;
|
|
private OnFaviconLoadedListener mListener;
|
|
private boolean mPersist;
|
|
|
|
public LoadFaviconTask(String pageUrl, String faviconUrl, boolean persist,
|
|
OnFaviconLoadedListener listener) {
|
|
synchronized(this) {
|
|
mId = ++mNextFaviconLoadId;
|
|
}
|
|
|
|
mPageUrl = pageUrl;
|
|
mFaviconUrl = faviconUrl;
|
|
mListener = listener;
|
|
mPersist = persist;
|
|
}
|
|
|
|
// Runs in background thread
|
|
private BitmapDrawable loadFaviconFromDb() {
|
|
ContentResolver resolver = mContext.getContentResolver();
|
|
BitmapDrawable favicon = BrowserDB.getFaviconForUrl(resolver, mPageUrl);
|
|
|
|
return favicon;
|
|
}
|
|
|
|
// Runs in background thread
|
|
private void saveFaviconToDb(BitmapDrawable favicon) {
|
|
if (!mPersist) {
|
|
return;
|
|
}
|
|
|
|
// since the Async task can run this on any number of threads in the
|
|
// pool, we need to protect against inserting the same url twice
|
|
synchronized(mDbHelper) {
|
|
ContentResolver resolver = mContext.getContentResolver();
|
|
BrowserDB.updateFaviconForUrl(resolver, mPageUrl, favicon);
|
|
|
|
mDbHelper.setFaviconUrlForPageUrl(mPageUrl, mFaviconUrl);
|
|
}
|
|
}
|
|
|
|
// Runs in background thread
|
|
private BitmapDrawable downloadFavicon(URL faviconUrl) {
|
|
if (mFaviconUrl.startsWith("jar:jar:")) {
|
|
return GeckoJarReader.getBitmapDrawable(GeckoApp.mAppContext.getResources(), mFaviconUrl);
|
|
}
|
|
|
|
URI uri;
|
|
try {
|
|
uri = faviconUrl.toURI();
|
|
} catch (URISyntaxException e) {
|
|
Log.d(LOGTAG, "Could not get URI for favicon");
|
|
return null;
|
|
}
|
|
|
|
// only get favicons for HTTP/HTTPS
|
|
String scheme = uri.getScheme();
|
|
if (!"http".equals(scheme) && !"https".equals(scheme))
|
|
return null;
|
|
|
|
// skia decoder sometimes returns null; workaround is to use BufferedHttpEntity
|
|
// http://groups.google.com/group/android-developers/browse_thread/thread/171b8bf35dbbed96/c3ec5f45436ceec8?lnk=raot
|
|
BitmapDrawable image = null;
|
|
try {
|
|
HttpGet request = new HttpGet(faviconUrl.toURI());
|
|
HttpEntity entity = getHttpClient().execute(request).getEntity();
|
|
BufferedHttpEntity bufferedEntity = new BufferedHttpEntity(entity);
|
|
InputStream contentStream = bufferedEntity.getContent();
|
|
image = (BitmapDrawable) Drawable.createFromStream(contentStream, "src");
|
|
} catch (Exception e) {
|
|
Log.e(LOGTAG, "Error reading favicon", e);
|
|
}
|
|
|
|
return image;
|
|
}
|
|
|
|
@Override
|
|
protected BitmapDrawable doInBackground(Void... unused) {
|
|
BitmapDrawable image = null;
|
|
|
|
if (isCancelled())
|
|
return null;
|
|
|
|
URL faviconUrl = null;
|
|
|
|
// Handle the case of malformed favicon URL
|
|
try {
|
|
// If favicon is empty, fallback to default favicon URI
|
|
if (mFaviconUrl == null || mFaviconUrl.length() == 0) {
|
|
// Handle the case of malformed URL
|
|
URL pageUrl = null;
|
|
pageUrl = new URL(mPageUrl);
|
|
|
|
faviconUrl = new URL(pageUrl.getProtocol(), pageUrl.getAuthority(), "/favicon.ico");
|
|
mFaviconUrl = faviconUrl.toString();
|
|
} else {
|
|
faviconUrl = new URL(mFaviconUrl);
|
|
}
|
|
} catch (MalformedURLException e) {
|
|
Log.d(LOGTAG, "The provided favicon URL is not valid");
|
|
return null;
|
|
}
|
|
|
|
if (isCancelled())
|
|
return null;
|
|
|
|
String storedFaviconUrl = mDbHelper.getFaviconUrlForPageUrl(mPageUrl);
|
|
if (storedFaviconUrl != null && storedFaviconUrl.equals(mFaviconUrl)) {
|
|
image = loadFaviconFromDb();
|
|
if (image != null)
|
|
return image;
|
|
}
|
|
|
|
if (isCancelled())
|
|
return null;
|
|
|
|
image = downloadFavicon(faviconUrl);
|
|
|
|
if (image != null) {
|
|
saveFaviconToDb(image);
|
|
}
|
|
|
|
return image;
|
|
}
|
|
|
|
@Override
|
|
protected void onPostExecute(final BitmapDrawable image) {
|
|
mLoadTasks.remove(mId);
|
|
|
|
if (mListener != null) {
|
|
// We want to always run the listener on UI thread
|
|
GeckoApp.mAppContext.runOnUiThread(new Runnable() {
|
|
public void run() {
|
|
mListener.onFaviconLoaded(mPageUrl, image);
|
|
}
|
|
});
|
|
}
|
|
}
|
|
|
|
@Override
|
|
protected void onCancelled() {
|
|
mLoadTasks.remove(mId);
|
|
|
|
// Note that we don't call the listener callback if the
|
|
// favicon load is cancelled.
|
|
}
|
|
|
|
public long getId() {
|
|
return mId;
|
|
}
|
|
}
|
|
}
|