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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 android.app.Activity;
import android.app.TabActivity;
import android.content.Intent;
import android.content.res.Resources;
import android.graphics.Bitmap;
import android.os.AsyncTask;
import android.os.Bundle;
import android.provider.Browser;
import android.webkit.WebIconDatabase;
import android.webkit.WebIconDatabase.IconListener;
import android.widget.TabHost;
import java.util.HashMap;
import java.util.Vector;
public class CombinedBookmarkHistoryActivity extends TabActivity
implements TabHost.OnTabChangeListener {
/**
* Used to inform BrowserActivity to remove the parent/child relationships
* from all the tabs.
*/
private String mExtraData;
/**
* Intent to be passed to calling Activity when finished. Keep a pointer to
* it locally so mExtraData can be added.
*/
private Intent mResultData;
/**
* Result code to pass back to calling Activity when finished.
*/
private int mResultCode;
/* package */ static String BOOKMARKS_TAB = "bookmark";
/* package */ static String VISITED_TAB = "visited";
/* package */ static String HISTORY_TAB = "history";
/* package */ static String STARTING_TAB = "tab";
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>();
}
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 (Bitmap) mUrlsToIcons.get(url);
}
}
private static IconListenerSet sIconListenerSet;
static IconListenerSet getIconListenerSet() {
if (null == sIconListenerSet) {
sIconListenerSet = new IconListenerSet();
}
return sIconListenerSet;
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.tabs);
setDefaultKeyMode(DEFAULT_KEYS_SEARCH_LOCAL);
getTabHost().setOnTabChangedListener(this);
Bundle extras = getIntent().getExtras();
Intent bookmarksIntent = new Intent(this, BrowserBookmarksPage.class);
if (extras != null) {
bookmarksIntent.putExtras(extras);
}
createTab(bookmarksIntent, R.string.tab_bookmarks,
R.drawable.browser_bookmark_tab, BOOKMARKS_TAB);
Intent visitedIntent = new Intent(this, BrowserBookmarksPage.class);
// Need to copy extras so the bookmarks activity and this one will be
// different
Bundle visitedExtras = extras == null ? new Bundle() : new Bundle(extras);
visitedExtras.putBoolean("mostVisited", true);
visitedIntent.putExtras(visitedExtras);
createTab(visitedIntent, R.string.tab_most_visited,
R.drawable.browser_visited_tab, VISITED_TAB);
Intent historyIntent = new Intent(this, BrowserHistoryPage.class);
String defaultTab = null;
if (extras != null) {
historyIntent.putExtras(extras);
defaultTab = extras.getString(STARTING_TAB);
}
createTab(historyIntent, R.string.tab_history,
R.drawable.browser_history_tab, HISTORY_TAB);
if (defaultTab != null) {
getTabHost().setCurrentTab(2);
}
// 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 we launch the activity in case a new favicon was
// added to the webkit db.
(new AsyncTask<Void, Void, Void>() {
public Void doInBackground(Void... v) {
Browser.requestAllIcons(getContentResolver(),
Browser.BookmarkColumns.FAVICON + " is NULL",
getIconListenerSet());
return null;
}
}).execute();
}
private void createTab(Intent intent, int labelResId, int iconResId,
String tab) {
Resources resources = getResources();
TabHost tabHost = getTabHost();
tabHost.addTab(tabHost.newTabSpec(tab).setIndicator(
resources.getText(labelResId), resources.getDrawable(iconResId))
.setContent(intent));
}
// Copied from DialTacts Activity
/** {@inheritDoc} */
public void onTabChanged(String tabId) {
Activity activity = getLocalActivityManager().getActivity(tabId);
if (activity != null) {
activity.onWindowFocusChanged(true);
}
}
/**
* Store extra data in the Intent to return to the calling Activity to tell
* it to clear the parent/child relationships from all tabs.
*/
/* package */ void removeParentChildRelationShips() {
mExtraData = BrowserSettings.PREF_CLEAR_HISTORY;
}
/**
* Custom setResult() method so that the Intent can have extra data attached
* if necessary.
* @param resultCode Uses same codes as Activity.setResult
* @param data Intent returned to onActivityResult.
*/
/* package */ void setResultFromChild(int resultCode, Intent data) {
mResultCode = resultCode;
mResultData = data;
}
@Override
public void finish() {
if (mExtraData != null) {
mResultCode = RESULT_OK;
if (mResultData == null) mResultData = new Intent();
mResultData.putExtra(Intent.EXTRA_TEXT, mExtraData);
}
setResult(mResultCode, mResultData);
super.finish();
}
}
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