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-rw-r--r--core/java/android/webkit/WebIconDatabaseClassic.java289
1 files changed, 0 insertions, 289 deletions
diff --git a/core/java/android/webkit/WebIconDatabaseClassic.java b/core/java/android/webkit/WebIconDatabaseClassic.java
deleted file mode 100644
index d6c4c33..0000000
--- a/core/java/android/webkit/WebIconDatabaseClassic.java
+++ /dev/null
@@ -1,289 +0,0 @@
-/*
- * Copyright (C) 2012 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package android.webkit;
-
-import android.content.ContentResolver;
-import android.database.Cursor;
-import android.graphics.Bitmap;
-import android.os.Handler;
-import android.os.Message;
-import android.provider.Browser;
-import android.util.Log;
-
-import java.io.File;
-import java.util.HashMap;
-import java.util.Vector;
-
-class WebIconDatabaseClassic extends WebIconDatabase {
- private static final String LOGTAG = "WebIconDatabase";
- // Global instance of a WebIconDatabase
- private static WebIconDatabaseClassic sIconDatabase;
- // EventHandler for handling messages before and after the WebCore thread is
- // ready.
- private final EventHandler mEventHandler = new EventHandler();
-
- // Class to handle messages before WebCore is ready
- private static class EventHandler extends Handler {
- // Message ids
- static final int OPEN = 0;
- static final int CLOSE = 1;
- static final int REMOVE_ALL = 2;
- static final int REQUEST_ICON = 3;
- static final int RETAIN_ICON = 4;
- static final int RELEASE_ICON = 5;
- static final int BULK_REQUEST_ICON = 6;
- // Message for dispatching icon request results
- private static final int ICON_RESULT = 10;
- // Actual handler that runs in WebCore thread
- private Handler mHandler;
- // Vector of messages before the WebCore thread is ready
- private Vector<Message> mMessages = new Vector<Message>();
- // Class to handle a result dispatch
- private class IconResult {
- private final String mUrl;
- private final Bitmap mIcon;
- private final IconListener mListener;
- IconResult(String url, Bitmap icon, IconListener l) {
- mUrl = url;
- mIcon = icon;
- mListener = l;
- }
- void dispatch() {
- mListener.onReceivedIcon(mUrl, mIcon);
- }
- }
-
- @Override
- public void handleMessage(Message msg) {
- // Note: This is the message handler for the UI thread.
- switch (msg.what) {
- case ICON_RESULT:
- ((IconResult) msg.obj).dispatch();
- break;
- }
- }
-
- // Called by WebCore thread to create the actual handler
- private synchronized void createHandler() {
- if (mHandler == null) {
- mHandler = new Handler() {
- @Override
- public void handleMessage(Message msg) {
- // Note: This is the message handler for the WebCore
- // thread.
- switch (msg.what) {
- case OPEN:
- nativeOpen((String) msg.obj);
- break;
-
- case CLOSE:
- nativeClose();
- break;
-
- case REMOVE_ALL:
- nativeRemoveAllIcons();
- break;
-
- case REQUEST_ICON:
- IconListener l = (IconListener) msg.obj;
- String url = msg.getData().getString("url");
- requestIconAndSendResult(url, l);
- break;
-
- case BULK_REQUEST_ICON:
- bulkRequestIcons(msg);
- break;
-
- case RETAIN_ICON:
- nativeRetainIconForPageUrl((String) msg.obj);
- break;
-
- case RELEASE_ICON:
- nativeReleaseIconForPageUrl((String) msg.obj);
- break;
- }
- }
- };
- // Transfer all pending messages
- for (int size = mMessages.size(); size > 0; size--) {
- mHandler.sendMessage(mMessages.remove(0));
- }
- mMessages = null;
- }
- }
-
- private synchronized boolean hasHandler() {
- return mHandler != null;
- }
-
- private synchronized void postMessage(Message msg) {
- if (mMessages != null) {
- mMessages.add(msg);
- } else {
- mHandler.sendMessage(msg);
- }
- }
-
- private void bulkRequestIcons(Message msg) {
- HashMap map = (HashMap) msg.obj;
- IconListener listener = (IconListener) map.get("listener");
- ContentResolver cr = (ContentResolver) map.get("contentResolver");
- String where = (String) map.get("where");
-
- Cursor c = null;
- try {
- c = cr.query(
- Browser.BOOKMARKS_URI,
- new String[] { Browser.BookmarkColumns.URL },
- where, null, null);
- if (c.moveToFirst()) {
- do {
- String url = c.getString(0);
- requestIconAndSendResult(url, listener);
- } while (c.moveToNext());
- }
- } catch (IllegalStateException e) {
- Log.e(LOGTAG, "BulkRequestIcons", e);
- } finally {
- if (c != null) c.close();
- }
- }
-
- private void requestIconAndSendResult(String url, IconListener listener) {
- Bitmap icon = nativeIconForPageUrl(url);
- if (icon != null) {
- sendMessage(obtainMessage(ICON_RESULT,
- new IconResult(url, icon, listener)));
- }
- }
- }
-
- @Override
- public void open(String path) {
- if (path != null) {
- // Make the directories and parents if they don't exist
- File db = new File(path);
- if (!db.exists()) {
- db.mkdirs();
- }
- mEventHandler.postMessage(
- Message.obtain(null, EventHandler.OPEN, db.getAbsolutePath()));
- }
- }
-
- @Override
- public void close() {
- mEventHandler.postMessage(
- Message.obtain(null, EventHandler.CLOSE));
- }
-
- @Override
- public void removeAllIcons() {
- mEventHandler.postMessage(
- Message.obtain(null, EventHandler.REMOVE_ALL));
- }
-
- /**
- * Request the Bitmap representing the icon for the given page
- * url. If the icon exists, the listener will be called with the result.
- * @param url The page's url.
- * @param listener An implementation on IconListener to receive the result.
- */
- public void requestIconForPageUrl(String url, IconListener listener) {
- if (listener == null || url == null) {
- return;
- }
- Message msg = Message.obtain(null, EventHandler.REQUEST_ICON, listener);
- msg.getData().putString("url", url);
- mEventHandler.postMessage(msg);
- }
-
- /** {@hide}
- */
- public void bulkRequestIconForPageUrl(ContentResolver cr, String where,
- IconListener listener) {
- if (listener == null) {
- return;
- }
-
- // Special case situation: we don't want to add this message to the
- // queue if there is no handler because we may never have a real
- // handler to service the messages and the cursor will never get
- // closed.
- if (mEventHandler.hasHandler()) {
- // Don't use Bundle as it is parcelable.
- HashMap<String, Object> map = new HashMap<String, Object>();
- map.put("contentResolver", cr);
- map.put("where", where);
- map.put("listener", listener);
- Message msg =
- Message.obtain(null, EventHandler.BULK_REQUEST_ICON, map);
- mEventHandler.postMessage(msg);
- }
- }
-
- @Override
- public void retainIconForPageUrl(String url) {
- if (url != null) {
- mEventHandler.postMessage(
- Message.obtain(null, EventHandler.RETAIN_ICON, url));
- }
- }
-
- @Override
- public void releaseIconForPageUrl(String url) {
- if (url != null) {
- mEventHandler.postMessage(
- Message.obtain(null, EventHandler.RELEASE_ICON, url));
- }
- }
-
- /**
- * Get the global instance of WebIconDatabase.
- * @return A single instance of WebIconDatabase. It will be the same
- * instance for the current process each time this method is
- * called.
- */
- public static WebIconDatabaseClassic getInstance() {
- // XXX: Must be created in the UI thread.
- if (sIconDatabase == null) {
- sIconDatabase = new WebIconDatabaseClassic();
- }
- return sIconDatabase;
- }
-
- /**
- * Create the internal handler and transfer all pending messages.
- * XXX: Called by WebCore thread only!
- */
- /*package*/ void createHandler() {
- mEventHandler.createHandler();
- }
-
- /**
- * Private constructor to avoid anyone else creating an instance.
- */
- private WebIconDatabaseClassic() {}
-
- // Native functions
- private static native void nativeOpen(String path);
- private static native void nativeClose();
- private static native void nativeRemoveAllIcons();
- private static native Bitmap nativeIconForPageUrl(String url);
- private static native void nativeRetainIconForPageUrl(String url);
- private static native void nativeReleaseIconForPageUrl(String url);
-}
generated by cgit v1.1 at 2025-08-15 09:19:40 +0000