1/*
2 * Copyright (C) 2010 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.ActionBar;
20import android.app.Activity;
21import android.content.res.Resources;
22import android.graphics.Bitmap;
23import android.graphics.drawable.BitmapDrawable;
24import android.graphics.drawable.Drawable;
25import android.graphics.drawable.LayerDrawable;
26import android.graphics.drawable.PaintDrawable;
27import android.os.Bundle;
28import android.os.Handler;
29import android.util.Log;
30import android.view.ActionMode;
31import android.view.KeyEvent;
32import android.view.Menu;
33import android.view.MenuItem;
34import android.webkit.WebView;
35import android.webkit.WebViewClassic;
36
37import java.util.List;
38
39/**
40 * Ui for xlarge screen sizes
41 */
42public class XLargeUi extends BaseUi {
43
44    private static final String LOGTAG = "XLargeUi";
45
46    private PaintDrawable mFaviconBackground;
47
48    private ActionBar mActionBar;
49    private TabBar mTabBar;
50
51    private NavigationBarTablet mNavBar;
52
53    private Handler mHandler;
54
55    /**
56     * @param browser
57     * @param controller
58     */
59    public XLargeUi(Activity browser, UiController controller) {
60        super(browser, controller);
61        mHandler = new Handler();
62        mNavBar = (NavigationBarTablet) mTitleBar.getNavigationBar();
63        mTabBar = new TabBar(mActivity, mUiController, this);
64        mActionBar = mActivity.getActionBar();
65        setupActionBar();
66        setUseQuickControls(BrowserSettings.getInstance().useQuickControls());
67    }
68
69    private void setupActionBar() {
70        mActionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD);
71        mActionBar.setDisplayOptions(ActionBar.DISPLAY_SHOW_CUSTOM);
72        mActionBar.setCustomView(mTabBar);
73    }
74
75    public void showComboView(ComboViews startWith, Bundle extras) {
76        super.showComboView(startWith, extras);
77        if (mUseQuickControls) {
78            mActionBar.show();
79        }
80    }
81
82    @Override
83    public void setUseQuickControls(boolean useQuickControls) {
84        super.setUseQuickControls(useQuickControls);
85        checkHideActionBar();
86        if (!useQuickControls) {
87            mActionBar.show();
88        }
89        mTabBar.setUseQuickControls(mUseQuickControls);
90        // We need to update the tabs with this change
91        for (Tab t : mTabControl.getTabs()) {
92            t.updateShouldCaptureThumbnails();
93        }
94    }
95
96    private void checkHideActionBar() {
97        if (mUseQuickControls) {
98            mHandler.post(new Runnable() {
99                public void run() {
100                    mActionBar.hide();
101                }
102            });
103        }
104    }
105
106    @Override
107    public void onResume() {
108        super.onResume();
109        mNavBar.clearCompletions();
110        checkHideActionBar();
111    }
112
113    @Override
114    public void onDestroy() {
115        hideTitleBar();
116    }
117
118    void stopWebViewScrolling() {
119        BrowserWebView web = (BrowserWebView) mUiController.getCurrentWebView();
120        if (web != null) {
121            WebViewClassic.fromWebView(web).stopScroll();
122        }
123    }
124
125    @Override
126    public boolean onPrepareOptionsMenu(Menu menu) {
127        MenuItem bm = menu.findItem(R.id.bookmarks_menu_id);
128        if (bm != null) {
129            bm.setVisible(false);
130        }
131        return true;
132    }
133
134
135    // WebView callbacks
136
137    @Override
138    public void addTab(Tab tab) {
139        mTabBar.onNewTab(tab);
140    }
141
142    protected void onAddTabCompleted(Tab tab) {
143        checkHideActionBar();
144    }
145
146    @Override
147    public void setActiveTab(final Tab tab) {
148        mTitleBar.cancelTitleBarAnimation(true);
149        mTitleBar.setSkipTitleBarAnimations(true);
150        super.setActiveTab(tab);
151        BrowserWebView view = (BrowserWebView) tab.getWebView();
152        // TabControl.setCurrentTab has been called before this,
153        // so the tab is guaranteed to have a webview
154        if (view == null) {
155            Log.e(LOGTAG, "active tab with no webview detected");
156            return;
157        }
158        mTabBar.onSetActiveTab(tab);
159        updateLockIconToLatest(tab);
160        mTitleBar.setSkipTitleBarAnimations(false);
161    }
162
163    @Override
164    public void updateTabs(List<Tab> tabs) {
165        mTabBar.updateTabs(tabs);
166        checkHideActionBar();
167    }
168
169    @Override
170    public void removeTab(Tab tab) {
171        mTitleBar.cancelTitleBarAnimation(true);
172        mTitleBar.setSkipTitleBarAnimations(true);
173        super.removeTab(tab);
174        mTabBar.onRemoveTab(tab);
175        mTitleBar.setSkipTitleBarAnimations(false);
176    }
177
178    protected void onRemoveTabCompleted(Tab tab) {
179        checkHideActionBar();
180    }
181
182    int getContentWidth() {
183        if (mContentView != null) {
184            return mContentView.getWidth();
185        }
186        return 0;
187    }
188
189    @Override
190    public void editUrl(boolean clearInput, boolean forceIME) {
191        if (mUseQuickControls) {
192            mTitleBar.setShowProgressOnly(false);
193        }
194        super.editUrl(clearInput, forceIME);
195    }
196
197    // action mode callbacks
198
199    @Override
200    public void onActionModeStarted(ActionMode mode) {
201        if (!mTitleBar.isEditingUrl()) {
202            // hide the title bar when CAB is shown
203            hideTitleBar();
204        }
205    }
206
207    @Override
208    public void onActionModeFinished(boolean inLoad) {
209        checkHideActionBar();
210        if (inLoad) {
211            // the titlebar was removed when the CAB was shown
212            // if the page is loading, show it again
213            if (mUseQuickControls) {
214                mTitleBar.setShowProgressOnly(true);
215            }
216            showTitleBar();
217        }
218    }
219
220    @Override
221    protected void updateNavigationState(Tab tab) {
222        mNavBar.updateNavigationState(tab);
223    }
224
225    @Override
226    public void setUrlTitle(Tab tab) {
227        super.setUrlTitle(tab);
228        mTabBar.onUrlAndTitle(tab, tab.getUrl(), tab.getTitle());
229    }
230
231    // Set the favicon in the title bar.
232    @Override
233    public void setFavicon(Tab tab) {
234        super.setFavicon(tab);
235        mTabBar.onFavicon(tab, tab.getFavicon());
236    }
237
238    @Override
239    public void onHideCustomView() {
240        super.onHideCustomView();
241        checkHideActionBar();
242    }
243
244    @Override
245    public boolean dispatchKey(int code, KeyEvent event) {
246        if (mActiveTab != null) {
247            WebView web = mActiveTab.getWebView();
248            if (event.getAction() == KeyEvent.ACTION_DOWN) {
249                switch (code) {
250                    case KeyEvent.KEYCODE_TAB:
251                    case KeyEvent.KEYCODE_DPAD_UP:
252                    case KeyEvent.KEYCODE_DPAD_LEFT:
253                        if ((web != null) && web.hasFocus() && !mTitleBar.hasFocus()) {
254                            editUrl(false, false);
255                            return true;
256                        }
257                }
258                boolean ctrl = event.hasModifiers(KeyEvent.META_CTRL_ON);
259                if (!ctrl && isTypingKey(event) && !mTitleBar.isEditingUrl()) {
260                    editUrl(true, false);
261                    return mContentView.dispatchKeyEvent(event);
262                }
263            }
264        }
265        return false;
266    }
267
268    private boolean isTypingKey(KeyEvent evt) {
269        return evt.getUnicodeChar() > 0;
270    }
271
272    TabBar getTabBar() {
273        return mTabBar;
274    }
275
276    @Override
277    public boolean shouldCaptureThumbnails() {
278        return mUseQuickControls;
279    }
280
281    private Drawable getFaviconBackground() {
282        if (mFaviconBackground == null) {
283            mFaviconBackground = new PaintDrawable();
284            Resources res = mActivity.getResources();
285            mFaviconBackground.getPaint().setColor(
286                    res.getColor(R.color.tabFaviconBackground));
287            mFaviconBackground.setCornerRadius(
288                    res.getDimension(R.dimen.tab_favicon_corner_radius));
289        }
290        return mFaviconBackground;
291    }
292
293    @Override
294    public Drawable getFaviconDrawable(Bitmap icon) {
295        Drawable[] array = new Drawable[2];
296        array[0] = getFaviconBackground();
297        if (icon == null) {
298            array[1] = mGenericFavicon;
299        } else {
300            array[1] = new BitmapDrawable(mActivity.getResources(), icon);
301        }
302        LayerDrawable d = new LayerDrawable(array);
303        d.setLayerInset(1, 2, 2, 2, 2);
304        return d;
305    }
306
307}
308