/*
* Copyright (C) 2011 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.content.Context;
import android.content.res.Configuration;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewConfiguration;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.FrameLayout;
import android.widget.ImageButton;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.PopupMenu;
import android.widget.PopupMenu.OnMenuItemClickListener;
import android.widget.RelativeLayout;
import android.widget.TextView;
import com.android.browser.NavTabScroller.OnLayoutListener;
import com.android.browser.NavTabScroller.OnRemoveListener;
import com.android.browser.TabControl.OnThumbnailUpdatedListener;
import com.android.browser.UI.ComboViews;
import java.util.HashMap;
public class NavScreen extends RelativeLayout
implements OnClickListener, OnMenuItemClickListener, OnThumbnailUpdatedListener {
UiController mUiController;
PhoneUi mUi;
Tab mTab;
Activity mActivity;
ImageButton mRefresh;
ImageButton mForward;
ImageButton mBookmarks;
ImageButton mMore;
ImageButton mNewTab;
FrameLayout mHolder;
TextView mTitle;
ImageView mFavicon;
ImageButton mCloseTab;
NavTabScroller mScroller;
TabAdapter mAdapter;
int mOrientation;
boolean mNeedsMenu;
HashMap<Tab, View> mTabViews;
public NavScreen(Activity activity, UiController ctl, PhoneUi ui) {
super(activity);
mActivity = activity;
mUiController = ctl;
mUi = ui;
mOrientation = activity.getResources().getConfiguration().orientation;
init();
}
protected void showMenu() {
PopupMenu popup = new PopupMenu(mContext, mMore);
Menu menu = popup.getMenu();
popup.getMenuInflater().inflate(R.menu.browser, menu);
mUiController.updateMenuState(mUiController.getCurrentTab(), menu);
popup.setOnMenuItemClickListener(this);
popup.show();
}
@Override
public boolean onMenuItemClick(MenuItem item) {
return mUiController.onOptionsItemSelected(item);
}
protected float getToolbarHeight() {
return mActivity.getResources().getDimension(R.dimen.toolbar_height);
}
@Override
protected void onConfigurationChanged(Configuration newconfig) {
if (newconfig.orientation != mOrientation) {
int sv = mScroller.getScrollValue();
removeAllViews();
mOrientation = newconfig.orientation;
init();
mScroller.setScrollValue(sv);
mAdapter.notifyDataSetChanged();
}
}
public void refreshAdapter() {
mScroller.handleDataChanged(
mUiController.getTabControl().getTabPosition(mUi.getActiveTab()));
}
private void init() {
LayoutInflater.from(mContext).inflate(R.layout.nav_screen, this);
setContentDescription(mContext.getResources().getString(
R.string.accessibility_transition_navscreen));
mBookmarks = (ImageButton) findViewById(R.id.bookmarks);
mNewTab = (ImageButton) findViewById(R.id.newtab);
mMore = (ImageButton) findViewById(R.id.more);
mBookmarks.setOnClickListener(this);
mNewTab.setOnClickListener(this);
mMore.setOnClickListener(this);
mScroller = (NavTabScroller) findViewById(R.id.scroller);
TabControl tc = mUiController.getTabControl();
mTabViews = new HashMap<Tab, View>(tc.getTabCount());
mAdapter = new TabAdapter(mContext, tc);
mScroller.setOrientation(mOrientation == Configuration.ORIENTATION_LANDSCAPE
? LinearLayout.HORIZONTAL : LinearLayout.VERTICAL);
// update state for active tab
mScroller.setAdapter(mAdapter,
mUiController.getTabControl().getTabPosition(mUi.getActiveTab()));
mScroller.setOnRemoveListener(new OnRemoveListener() {
public void onRemovePosition(int pos) {
Tab tab = mAdapter.getItem(pos);
onCloseTab(tab);
}
});
mNeedsMenu = !ViewConfiguration.get(getContext()).hasPermanentMenuKey();
if (!mNeedsMenu) {
mMore.setVisibility(View.GONE);
}
}
@Override
public void onClick(View v) {
if (mBookmarks == v) {
mUiController.bookmarksOrHistoryPicker(ComboViews.Bookmarks);
} else if (mNewTab == v) {
openNewTab();
} else if (mMore == v) {
showMenu();
}
}
private void onCloseTab(Tab tab) {
if (tab != null) {
if (tab == mUiController.getCurrentTab()) {
mUiController.closeCurrentTab();
} else {
mUiController.closeTab(tab);
}
}
}
private void openNewTab() {
// need to call openTab explicitely with setactive false
final Tab tab = mUiController.openTab(BrowserSettings.getInstance().getHomePage(),
false, false, false);
if (tab != null) {
mUiController.setBlockEvents(true);
final int tix = mUi.mTabControl.getTabPosition(tab);
mScroller.setOnLayoutListener(new OnLayoutListener() {
@Override
public void onLayout(int l, int t, int r, int b) {
mUi.hideNavScreen(tix, true);
switchToTab(tab);
}
});
mScroller.handleDataChanged(tix);
mUiController.setBlockEvents(false);
}
}
private void switchToTab(Tab tab) {
if (tab != mUi.getActiveTab()) {
mUiController.setActiveTab(tab);
}
}
protected void close(int position) {
close(position, true);
}
protected void close(int position, boolean animate) {
mUi.hideNavScreen(position, animate);
}
protected NavTabView getTabView(int pos) {
return mScroller.getTabView(pos);
}
class TabAdapter extends BaseAdapter {
Context context;
TabControl tabControl;
public TabAdapter(Context ctx, TabControl tc) {
context = ctx;
tabControl = tc;
}
@Override
public int getCount() {
return tabControl.getTabCount();
}
@Override
public Tab getItem(int position) {
return tabControl.getTab(position);
}
public long getItemId(int position) {
return position;
}
@Override
public View getView(final int position, View convertView, ViewGroup parent) {
final NavTabView tabview = new NavTabView(mActivity);
final Tab tab = getItem(position);
tabview.setWebView(tab);
mTabViews.put(tab, tabview.mImage);
tabview.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
if (tabview.isClose(v)) {
mScroller.animateOut(tabview);
} else if (tabview.isTitle(v)) {
switchToTab(tab);
mUi.getTitleBar().setSkipTitleBarAnimations(true);
close(position, false);
mUi.editUrl(false);
mUi.getTitleBar().setSkipTitleBarAnimations(false);
} else if (tabview.isWebView(v)) {
close(position);
}
}
});
return tabview;
}
}
@Override
public void onThumbnailUpdated(Tab t) {
View v = mTabViews.get(t);
if (v != null) {
v.invalidate();
}
}
}