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/*
* Copyright (C) 2009 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 com.android.browser;
import com.android.browser.BreadCrumbView.Controller;
import android.app.Fragment;
import android.app.FragmentManager;
import android.app.FragmentTransaction;
import android.content.Context;
import android.content.res.Resources;
import android.graphics.Bitmap;
import android.os.AsyncTask;
import android.os.Bundle;
import android.provider.Browser;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.webkit.WebIconDatabase;
import android.webkit.WebIconDatabase.IconListener;
import android.widget.LinearLayout;
import android.widget.TextView;
import java.util.HashMap;
import java.util.Vector;
interface BookmarksHistoryCallbacks {
public void onUrlSelected(String url, boolean newWindow);
public void onRemoveParentChildRelationships();
public void onComboCanceled();
}
public class CombinedBookmarkHistoryView extends LinearLayout
implements OnClickListener, Controller {
final static String STARTING_FRAGMENT = "fragment";
final static int FRAGMENT_ID_BOOKMARKS = 1;
final static int FRAGMENT_ID_HISTORY = 2;
private BrowserActivity mBrowserActivity;
private Bundle mExtras;
long mCurrentFragment;
View mTabs;
BreadCrumbView mCrumbs;
TextView mTabBookmarks;
TextView mTabHistory;
TextView mAddBookmark;
BrowserBookmarksPage mBookmarks;
BrowserHistoryPage mHistory;
static class IconListenerSet implements IconListener {
// Used to store favicons as we get them from the database
// FIXME: We use a different method to get the Favicons in
// BrowserBookmarksAdapter. They should probably be unified.
private HashMap<String, Bitmap> mUrlsToIcons;
private Vector<IconListener> mListeners;
public IconListenerSet() {
mUrlsToIcons = new HashMap<String, Bitmap>();
mListeners = new Vector<IconListener>();
}
@Override
public void onReceivedIcon(String url, Bitmap icon) {
mUrlsToIcons.put(url, icon);
for (IconListener listener : mListeners) {
listener.onReceivedIcon(url, icon);
}
}
public void addListener(IconListener listener) {
mListeners.add(listener);
}
public void removeListener(IconListener listener) {
mListeners.remove(listener);
}
public Bitmap getFavicon(String url) {
return mUrlsToIcons.get(url);
}
}
private static IconListenerSet sIconListenerSet;
static IconListenerSet getIconListenerSet() {
if (null == sIconListenerSet) {
sIconListenerSet = new IconListenerSet();
}
return sIconListenerSet;
}
public CombinedBookmarkHistoryView(Context context, int startingFragment, Bundle extras) {
super(context);
mBrowserActivity = (BrowserActivity) context;
mExtras = extras;
View v = LayoutInflater.from(context).inflate(R.layout.bookmarks_history, this);
Resources res = context.getResources();
// setDefaultKeyMode(DEFAULT_KEYS_SEARCH_LOCAL);
mTabs = findViewById(R.id.tabs);
mCrumbs = (BreadCrumbView) findViewById(R.id.crumbs);
mCrumbs.setController(this);
mTabBookmarks = (TextView) findViewById(R.id.bmtab);
mTabHistory = (TextView) findViewById(R.id.historytab);
mAddBookmark = (TextView) findViewById(R.id.addbm);
mAddBookmark.setOnClickListener(this);
mTabHistory.setOnClickListener(this);
mTabBookmarks.setOnClickListener(this);
// Start up the default fragment
initFragments(mExtras);
loadFragment(startingFragment, mExtras, false);
// XXX: Must do this before launching the AsyncTask to avoid a
// potential crash if the icon database has not been created.
WebIconDatabase.getInstance();
// Do this every time the view is created in case a new favicon was
// added to the webkit db.
(new AsyncTask<Void, Void, Void>() {
@Override
public Void doInBackground(Void... v) {
Browser.requestAllIcons(mBrowserActivity.getContentResolver(),
Browser.BookmarkColumns.FAVICON + " is NULL", getIconListenerSet());
return null;
}
}).execute();
}
private void initFragments(Bundle extras) {
mBookmarks = BrowserBookmarksPage.newInstance(mBrowserActivity, mCrumbs, extras);
mHistory = BrowserHistoryPage.newInstance(mBrowserActivity, extras);
}
private void loadFragment(int id, Bundle extras, boolean notify) {
String fragmentClassName;
Fragment fragment = null;
switch (id) {
case FRAGMENT_ID_BOOKMARKS:
fragment = mBookmarks;
mCrumbs.setVisibility(View.VISIBLE);
if (notify) {
mCrumbs.notifyController();
}
break;
case FRAGMENT_ID_HISTORY:
fragment = mHistory;
mCrumbs.setVisibility(View.GONE);
break;
default:
throw new IllegalArgumentException();
}
mCurrentFragment = id;
FragmentManager fm = mBrowserActivity.getFragmentManager();
FragmentTransaction transaction = fm.openTransaction();
transaction.replace(R.id.fragment, fragment);
transaction.commit();
}
@Override
public void onClick(View view) {
if ((mTabHistory == view) && (mCurrentFragment != FRAGMENT_ID_HISTORY)) {
loadFragment(FRAGMENT_ID_HISTORY, mExtras, false);
} else if (mTabBookmarks == view) {
if (mCurrentFragment != FRAGMENT_ID_BOOKMARKS) {
loadFragment(FRAGMENT_ID_BOOKMARKS, mExtras, true);
} else {
mCrumbs.clear();
}
} else if (mAddBookmark == view) {
mBrowserActivity.bookmarkCurrentPage(mBookmarks.getFolderId());
}
}
/**
* BreadCrumb controller callback
*/
@Override
public void onTop(int level, Object data) {
mBookmarks.onFolderChange(level, data);
}
/**
* callback for back key presses
*/
boolean onBackPressed() {
if ((mCurrentFragment == FRAGMENT_ID_BOOKMARKS) &&
(mCrumbs.size() > 0)) {
mCrumbs.popView();
return true;
}
return false;
}
}
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