NavScreen.java revision 9ef259af433edc5aeb11b5d5d94dc9acc697c61e 
1/*
2 * Copyright (C) 2011 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.android.browser;
18
19import android.app.Activity;
20import android.content.Context;
21import android.content.res.Configuration;
22import android.view.LayoutInflater;
23import android.view.Menu;
24import android.view.MenuItem;
25import android.view.View;
26import android.view.View.OnClickListener;
27import android.view.ViewGroup;
28import android.webkit.WebView;
29import android.widget.BaseAdapter;
30import android.widget.FrameLayout;
31import android.widget.ImageButton;
32import android.widget.ImageView;
33import android.widget.LinearLayout;
34import android.widget.PopupMenu;
35import android.widget.PopupMenu.OnMenuItemClickListener;
36import android.widget.RelativeLayout;
37import android.widget.TextView;
38
39public class NavScreen extends RelativeLayout
40        implements OnClickListener, OnMenuItemClickListener {
41
42    UiController mUiController;
43    PhoneUi mUi;
44    Tab mTab;
45    Activity mActivity;
46
47    ImageButton mRefresh;
48    ImageButton mForward;
49    ImageButton mBookmarks;
50    ImageButton mMore;
51    ImageButton mNewTab;
52    ImageButton mNewIncognito;
53    FrameLayout mHolder;
54
55    TextView mTitle;
56    ImageView mFavicon;
57    ImageButton mCloseTab;
58
59    NavTabGallery mScroller;
60    TabAdapter mAdapter;
61    int mOrientation;
62
63    public NavScreen(Activity activity, UiController ctl, PhoneUi ui) {
64        super(activity);
65        mActivity = activity;
66        mUiController = ctl;
67        mUi = ui;
68        mOrientation = activity.getResources().getConfiguration().orientation;
69        init();
70    }
71
72    protected Tab getSelectedTab() {
73        return (Tab) mScroller.getSelectedItem();
74    }
75
76    protected void showMenu() {
77        PopupMenu popup = new PopupMenu(mContext, mMore);
78        Menu menu = popup.getMenu();
79        popup.getMenuInflater().inflate(R.menu.browser, menu);
80        menu.setGroupVisible(R.id.NAV_MENU, false);
81        popup.setOnMenuItemClickListener(this);
82        popup.show();
83    }
84
85    @Override
86    public boolean onMenuItemClick(MenuItem item) {
87        return mUiController.onOptionsItemSelected(item);
88    }
89
90    protected float getToolbarHeight() {
91        return mActivity.getResources().getDimension(R.dimen.toolbar_height);
92    }
93
94    // for configuration changes
95    @Override
96    protected void onConfigurationChanged(Configuration newconfig) {
97        if (newconfig.orientation != mOrientation) {
98            int selIx = mScroller.getSelectionIndex();
99            removeAllViews();
100            mOrientation = newconfig.orientation;
101            init();
102            mScroller.setSelection(selIx);
103            mAdapter.notifyDataSetChanged();
104        }
105    }
106
107    private void init() {
108        LayoutInflater.from(mContext).inflate(R.layout.nav_screen, this);
109        mBookmarks = (ImageButton) findViewById(R.id.bookmarks);
110        mNewTab = (ImageButton) findViewById(R.id.newtab);
111        mNewIncognito = (ImageButton) findViewById(R.id.newincognito);
112        mMore = (ImageButton) findViewById(R.id.more);
113        mBookmarks.setOnClickListener(this);
114        mNewTab.setOnClickListener(this);
115        mNewIncognito.setOnClickListener(this);
116        mMore.setOnClickListener(this);
117        mScroller = (NavTabGallery) findViewById(R.id.scroller);
118        mAdapter = new TabAdapter(mContext, mUiController.getTabControl());
119        mScroller.setAdapter(mAdapter);
120        mScroller.setOrientation(mOrientation == Configuration.ORIENTATION_LANDSCAPE
121                ? LinearLayout.HORIZONTAL : LinearLayout.VERTICAL);
122        // update state for active tab
123        mScroller.setSelection(mUiController.getTabControl().getTabPosition(mUi.getActiveTab()));
124    }
125
126    @Override
127    public void onClick(View v) {
128        WebView web = (mTab != null) ? mTab.getWebView() : null;
129        if (web != null) {
130            if (mForward == v) {
131                mUi.hideNavScreen(true);
132                web.goForward();
133            } else if (mRefresh == v) {
134                mUi.hideNavScreen(true);
135                web.reload();
136            }
137        }
138        if (mBookmarks == v) {
139            mUi.hideNavScreen(false);
140            switchToSelected();
141            mUiController.bookmarksOrHistoryPicker(false);
142        } else if (mNewTab == v) {
143            openNewTab();
144        } else if (mMore == v) {
145            showMenu();
146        } else if (mNewIncognito == v) {
147            mUi.hideNavScreen(true);
148            mUiController.openIncognitoTab();
149        } else if (mTitle == v) {
150            mUi.getTitleBar().setSkipTitleBarAnimations(true);
151            close(false);
152            mUi.editUrl(false);
153            mUi.getTitleBar().setSkipTitleBarAnimations(false);
154        }
155    }
156
157    private void onCloseTab(Tab tab) {
158        if (tab != null) {
159            switchToSelected();
160            mUiController.closeCurrentTab();
161            mAdapter.notifyDataSetChanged();
162        }
163    }
164
165    private void openNewTab() {
166        // need to call openTab explicitely with setactive false
167        Tab tab = mUiController.openTab(BrowserSettings.getInstance().getHomePage(),
168                false, false, false);
169        mAdapter.notifyDataSetChanged();
170        if (tab != null) {
171            // set tab as the selected in flipper, then hide
172            final int tix = mUi.mTabControl.getTabPosition(tab);
173            mScroller.setSelection(tix);
174            postDelayed(new Runnable() {
175                @Override
176                public void run() {
177                    mUi.hideNavScreen(true);
178                    switchToSelected();
179                }
180            }, 100);
181        }
182    }
183
184    private void switchToSelected() {
185        Tab tab = (Tab) mScroller.getSelectedItem();
186        if (tab != mUi.getActiveTab()) {
187            mUiController.setActiveTab(tab);
188        }
189    }
190
191    protected void close() {
192        close(true);
193    }
194
195    protected void close(boolean animate) {
196        mUi.hideNavScreen(animate);
197    }
198
199    class TabAdapter extends BaseAdapter {
200
201        Context context;
202        TabControl tabControl;
203
204        public TabAdapter(Context ctx, TabControl tc) {
205            context = ctx;
206            tabControl = tc;
207        }
208
209        @Override
210        public int getCount() {
211            return tabControl.getTabCount();
212        }
213
214        @Override
215        public Tab getItem(int position) {
216            return tabControl.getTab(position);
217        }
218
219        public long getItemId(int position) {
220            return position;
221        }
222
223        @Override
224        public View getView(final int position, View convertView, ViewGroup parent) {
225            final NavTabView tabview = new NavTabView(mActivity);
226            final Tab tab = getItem(position);
227            tabview.setWebView(mUi, tab);
228            tabview.setOnClickListener(new OnClickListener() {
229                @Override
230                public void onClick(View v) {
231                    if (tabview.isClose(v)) {
232                        onCloseTab((Tab) (mScroller.getSelectedItem()));
233                    } else if (tabview.isTitle(v)) {
234                        mUi.getTitleBar().setSkipTitleBarAnimations(true);
235                        close(false);
236                        mUi.editUrl(false);
237                        mUi.getTitleBar().setSkipTitleBarAnimations(false);
238                    } else if (tabview.isWebView(v)) {
239                        mScroller.setSelection(position);
240                        close();
241
242                    }
243                }
244            });
245            return tabview;
246        }
247
248    }
249
250}
251