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 */
16package com.android.browser;
17
18import android.app.Activity;
19import android.content.Context;
20import android.content.res.Resources;
21import android.graphics.drawable.Drawable;
22import android.util.AttributeSet;
23import android.view.Menu;
24import android.view.MenuItem;
25import android.view.View;
26import android.view.ViewConfiguration;
27import android.webkit.WebView;
28import android.widget.ImageView;
29import android.widget.PopupMenu;
30import android.widget.PopupMenu.OnDismissListener;
31import android.widget.PopupMenu.OnMenuItemClickListener;
32
33import com.android.browser.UrlInputView.StateListener;
34
35public class NavigationBarPhone extends NavigationBarBase implements
36        StateListener, OnMenuItemClickListener, OnDismissListener {
37
38    private ImageView mStopButton;
39    private ImageView mMagnify;
40    private ImageView mClearButton;
41    private ImageView mVoiceButton;
42    private Drawable mStopDrawable;
43    private Drawable mRefreshDrawable;
44    private String mStopDescription;
45    private String mRefreshDescription;
46    private View mTabSwitcher;
47    private View mComboIcon;
48    private View mTitleContainer;
49    private View mMore;
50    private Drawable mTextfieldBgDrawable;
51    private PopupMenu mPopupMenu;
52    private boolean mOverflowMenuShowing;
53    private boolean mNeedsMenu;
54    private View mIncognitoIcon;
55
56    public NavigationBarPhone(Context context) {
57        super(context);
58    }
59
60    public NavigationBarPhone(Context context, AttributeSet attrs) {
61        super(context, attrs);
62    }
63
64    public NavigationBarPhone(Context context, AttributeSet attrs, int defStyle) {
65        super(context, attrs, defStyle);
66    }
67
68    @Override
69    protected void onFinishInflate() {
70        super.onFinishInflate();
71        mStopButton = (ImageView) findViewById(R.id.stop);
72        mStopButton.setOnClickListener(this);
73        mClearButton = (ImageView) findViewById(R.id.clear);
74        mClearButton.setOnClickListener(this);
75        mVoiceButton = (ImageView) findViewById(R.id.voice);
76        mVoiceButton.setOnClickListener(this);
77        mMagnify = (ImageView) findViewById(R.id.magnify);
78        mTabSwitcher = findViewById(R.id.tab_switcher);
79        mTabSwitcher.setOnClickListener(this);
80        mMore = findViewById(R.id.more);
81        mMore.setOnClickListener(this);
82        mComboIcon = findViewById(R.id.iconcombo);
83        mComboIcon.setOnClickListener(this);
84        mTitleContainer = findViewById(R.id.title_bg);
85        setFocusState(false);
86        Resources res = getContext().getResources();
87        mStopDrawable = res.getDrawable(R.drawable.ic_stop_holo_dark);
88        mRefreshDrawable = res.getDrawable(R.drawable.ic_refresh_holo_dark);
89        mStopDescription = res.getString(R.string.accessibility_button_stop);
90        mRefreshDescription = res.getString(R.string.accessibility_button_refresh);
91        mTextfieldBgDrawable = res.getDrawable(R.drawable.textfield_active_holo_dark);
92        mUrlInput.setContainer(this);
93        mUrlInput.setStateListener(this);
94        mNeedsMenu = !ViewConfiguration.get(getContext()).hasPermanentMenuKey();
95        mIncognitoIcon = findViewById(R.id.incognito_icon);
96    }
97
98    @Override
99    public void onProgressStarted() {
100        super.onProgressStarted();
101        if (mStopButton.getDrawable() != mStopDrawable) {
102            mStopButton.setImageDrawable(mStopDrawable);
103            mStopButton.setContentDescription(mStopDescription);
104            if (mStopButton.getVisibility() != View.VISIBLE) {
105                mComboIcon.setVisibility(View.GONE);
106                mStopButton.setVisibility(View.VISIBLE);
107            }
108        }
109    }
110
111    @Override
112    public void onProgressStopped() {
113        super.onProgressStopped();
114        mStopButton.setImageDrawable(mRefreshDrawable);
115        mStopButton.setContentDescription(mRefreshDescription);
116        if (!isEditingUrl()) {
117            mComboIcon.setVisibility(View.VISIBLE);
118        }
119        onStateChanged(mUrlInput.getState());
120    }
121
122    /**
123     * Update the text displayed in the title bar.
124     * @param title String to display.  If null, the new tab string will be
125     *      shown.
126     */
127    @Override
128    void setDisplayTitle(String title) {
129        mUrlInput.setTag(title);
130        if (!isEditingUrl()) {
131            if (title == null) {
132                mUrlInput.setText(R.string.new_tab);
133            } else {
134                mUrlInput.setText(UrlUtils.stripUrl(title), false);
135            }
136            mUrlInput.setSelection(0);
137        }
138    }
139
140    @Override
141    public void onClick(View v) {
142        if (v == mStopButton) {
143            if (mTitleBar.isInLoad()) {
144                mUiController.stopLoading();
145            } else {
146                WebView web = mBaseUi.getWebView();
147                if (web != null) {
148                    stopEditingUrl();
149                    web.reload();
150                }
151            }
152        } else if (v == mTabSwitcher) {
153            ((PhoneUi) mBaseUi).toggleNavScreen();
154        } else if (mMore == v) {
155            showMenu(mMore);
156        } else if (mClearButton == v) {
157            mUrlInput.setText("");
158        } else if (mComboIcon == v) {
159            mUiController.showPageInfo();
160        } else if (mVoiceButton == v) {
161            mUiController.startVoiceRecognizer();
162        } else {
163            super.onClick(v);
164        }
165    }
166
167    @Override
168    public boolean isMenuShowing() {
169        return super.isMenuShowing() || mOverflowMenuShowing;
170    }
171
172    void showMenu(View anchor) {
173        Activity activity = mUiController.getActivity();
174        if (mPopupMenu == null) {
175            mPopupMenu = new PopupMenu(mContext, anchor);
176            mPopupMenu.setOnMenuItemClickListener(this);
177            mPopupMenu.setOnDismissListener(this);
178            if (!activity.onCreateOptionsMenu(mPopupMenu.getMenu())) {
179                mPopupMenu = null;
180                return;
181            }
182        }
183        Menu menu = mPopupMenu.getMenu();
184        if (activity.onPrepareOptionsMenu(menu)) {
185            mOverflowMenuShowing = true;
186            mPopupMenu.show();
187        }
188    }
189
190    @Override
191    public void onDismiss(PopupMenu menu) {
192        if (menu == mPopupMenu) {
193            onMenuHidden();
194        }
195    }
196
197    private void onMenuHidden() {
198        mOverflowMenuShowing = false;
199        mBaseUi.showTitleBarForDuration();
200    }
201
202    @Override
203    public void onFocusChange(View view, boolean hasFocus) {
204        if (view == mUrlInput) {
205            if (hasFocus && !mUrlInput.getText().toString().equals(mUrlInput.getTag())) {
206                // only change text if different
207                mUrlInput.setText((String) mUrlInput.getTag(), false);
208                mUrlInput.selectAll();
209            } else {
210                setDisplayTitle(mUrlInput.getText().toString());
211            }
212        }
213        super.onFocusChange(view, hasFocus);
214    }
215
216    @Override
217    public void onStateChanged(int state) {
218        mVoiceButton.setVisibility(View.GONE);
219        switch(state) {
220        case StateListener.STATE_NORMAL:
221            mComboIcon.setVisibility(View.VISIBLE);
222            mStopButton.setVisibility(View.GONE);
223            mClearButton.setVisibility(View.GONE);
224            mMagnify.setVisibility(View.GONE);
225            mTabSwitcher.setVisibility(View.VISIBLE);
226            mTitleContainer.setBackgroundDrawable(null);
227            mMore.setVisibility(mNeedsMenu ? View.VISIBLE : View.GONE);
228            break;
229        case StateListener.STATE_HIGHLIGHTED:
230            mComboIcon.setVisibility(View.GONE);
231            mStopButton.setVisibility(View.VISIBLE);
232            mClearButton.setVisibility(View.GONE);
233            if ((mUiController != null) && mUiController.supportsVoice()) {
234                mVoiceButton.setVisibility(View.VISIBLE);
235            }
236            mMagnify.setVisibility(View.GONE);
237            mTabSwitcher.setVisibility(View.GONE);
238            mMore.setVisibility(View.GONE);
239            mTitleContainer.setBackgroundDrawable(mTextfieldBgDrawable);
240            break;
241        case StateListener.STATE_EDITED:
242            mComboIcon.setVisibility(View.GONE);
243            mStopButton.setVisibility(View.GONE);
244            mClearButton.setVisibility(View.VISIBLE);
245            mMagnify.setVisibility(View.VISIBLE);
246            mTabSwitcher.setVisibility(View.GONE);
247            mMore.setVisibility(View.GONE);
248            mTitleContainer.setBackgroundDrawable(mTextfieldBgDrawable);
249            break;
250        }
251    }
252
253    @Override
254    public void onTabDataChanged(Tab tab) {
255        super.onTabDataChanged(tab);
256        mIncognitoIcon.setVisibility(tab.isPrivateBrowsingEnabled()
257                ? View.VISIBLE : View.GONE);
258    }
259
260    @Override
261    public boolean onMenuItemClick(MenuItem item) {
262        return mUiController.onOptionsItemSelected(item);
263    }
264
265}
266