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      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 
     17 package com.android.browser;
     18 
     19 import android.app.Activity;
     20 import android.content.Context;
     21 import android.graphics.Bitmap;
     22 import android.view.LayoutInflater;
     23 import android.view.View;
     24 import android.view.View.OnClickListener;
     25 import android.view.ViewGroup;
     26 import android.view.ViewGroup.LayoutParams;
     27 import android.webkit.WebView;
     28 import android.widget.BaseAdapter;
     29 import android.widget.FrameLayout;
     30 import android.widget.ImageView;
     31 import android.widget.ImageView.ScaleType;
     32 import android.widget.TextView;
     33 
     34 import com.android.browser.UI.ComboViews;
     35 import com.android.browser.view.PieItem;
     36 import com.android.browser.view.PieMenu;
     37 import com.android.browser.view.PieMenu.PieView.OnLayoutListener;
     38 import com.android.browser.view.PieStackView;
     39 import com.android.browser.view.PieStackView.OnCurrentListener;
     40 
     41 import java.util.ArrayList;
     42 import java.util.List;
     43 
     44 /**
     45  * Controller for Quick Controls pie menu
     46  */
     47 public class PieControl implements PieMenu.PieController, OnClickListener {
     48 
     49     protected Activity mActivity;
     50     protected UiController mUiController;
     51     protected PieMenu mPie;
     52     protected int mItemSize;
     53     protected TextView mTabsCount;
     54     private BaseUi mUi;
     55     private PieItem mBack;
     56     private PieItem mForward;
     57     private PieItem mRefresh;
     58     private PieItem mUrl;
     59     private PieItem mOptions;
     60     private PieItem mBookmarks;
     61     private PieItem mHistory;
     62     private PieItem mAddBookmark;
     63     private PieItem mNewTab;
     64     private PieItem mIncognito;
     65     private PieItem mClose;
     66     private PieItem mShowTabs;
     67     private PieItem mInfo;
     68     private PieItem mFind;
     69     private PieItem mShare;
     70     private PieItem mRDS;
     71     private TabAdapter mTabAdapter;
     72 
     73     public PieControl(Activity activity, UiController controller, BaseUi ui) {
     74         mActivity = activity;
     75         mUiController = controller;
     76         mItemSize = (int) activity.getResources().getDimension(R.dimen.qc_item_size);
     77         mUi = ui;
     78     }
     79 
     80     public void stopEditingUrl() {
     81         mUi.stopEditingUrl();
     82     }
     83 
     84     protected void attachToContainer(FrameLayout container) {
     85         if (mPie == null) {
     86             mPie = new PieMenu(mActivity);
     87             LayoutParams lp = new LayoutParams(LayoutParams.MATCH_PARENT,
     88                     LayoutParams.MATCH_PARENT);
     89             mPie.setLayoutParams(lp);
     90             populateMenu();
     91             mPie.setController(this);
     92         }
     93         container.addView(mPie);
     94     }
     95 
     96     protected void removeFromContainer(FrameLayout container) {
     97         container.removeView(mPie);
     98     }
     99 
    100     protected void forceToTop(FrameLayout container) {
    101         if (mPie.getParent() != null) {
    102             container.removeView(mPie);
    103             container.addView(mPie);
    104         }
    105     }
    106 
    107     protected void setClickListener(OnClickListener listener, PieItem... items) {
    108         for (PieItem item : items) {
    109             item.getView().setOnClickListener(listener);
    110         }
    111     }
    112 
    113     @Override
    114     public boolean onOpen() {
    115         int n = mUiController.getTabControl().getTabCount();
    116         mTabsCount.setText(Integer.toString(n));
    117         Tab tab = mUiController.getCurrentTab();
    118         if (tab != null) {
    119             mForward.setEnabled(tab.canGoForward());
    120         }
    121         WebView view = mUiController.getCurrentWebView();
    122         if (view != null) {
    123             ImageView icon = (ImageView) mRDS.getView();
    124             if (mUiController.getSettings().hasDesktopUseragent(view)) {
    125                 icon.setImageResource(R.drawable.ic_mobile);
    126             } else {
    127                 icon.setImageResource(R.drawable.ic_desktop_holo_dark);
    128             }
    129         }
    130         return true;
    131     }
    132 
    133     protected void populateMenu() {
    134         mBack = makeItem(R.drawable.ic_back_holo_dark, 1);
    135         mUrl = makeItem(R.drawable.ic_web_holo_dark, 1);
    136         mBookmarks = makeItem(R.drawable.ic_bookmarks_holo_dark, 1);
    137         mHistory = makeItem(R.drawable.ic_history_holo_dark, 1);
    138         mAddBookmark = makeItem(R.drawable.ic_bookmark_on_holo_dark, 1);
    139         mRefresh = makeItem(R.drawable.ic_refresh_holo_dark, 1);
    140         mForward = makeItem(R.drawable.ic_forward_holo_dark, 1);
    141         mNewTab = makeItem(R.drawable.ic_new_window_holo_dark, 1);
    142         mIncognito = makeItem(R.drawable.ic_new_incognito_holo_dark, 1);
    143         mClose = makeItem(R.drawable.ic_close_window_holo_dark, 1);
    144         mInfo = makeItem(android.R.drawable.ic_menu_info_details, 1);
    145         mFind = makeItem(R.drawable.ic_search_holo_dark, 1);
    146         mShare = makeItem(R.drawable.ic_share_holo_dark, 1);
    147         View tabs = makeTabsView();
    148         mShowTabs = new PieItem(tabs, 1);
    149         mOptions = makeItem(R.drawable.ic_settings_holo_dark, 1);
    150         mRDS = makeItem(R.drawable.ic_desktop_holo_dark, 1);
    151         mTabAdapter = new TabAdapter(mActivity, mUiController);
    152         PieStackView stack = new PieStackView(mActivity);
    153         stack.setLayoutListener(new OnLayoutListener() {
    154             @Override
    155             public void onLayout(int ax, int ay, boolean left) {
    156                 buildTabs();
    157             }
    158         });
    159         stack.setOnCurrentListener(mTabAdapter);
    160         stack.setAdapter(mTabAdapter);
    161         mShowTabs.setPieView(stack);
    162         setClickListener(this, mBack, mRefresh, mForward, mUrl, mFind, mInfo,
    163                 mShare, mBookmarks, mNewTab, mIncognito, mClose, mHistory,
    164                 mAddBookmark, mOptions, mRDS);
    165         if (!BrowserActivity.isTablet(mActivity)) {
    166             mShowTabs.getView().setOnClickListener(this);
    167         }
    168         // level 1
    169         mPie.addItem(mOptions);
    170         mOptions.addItem(mRDS);
    171         mOptions.addItem(makeFiller());
    172         mOptions.addItem(makeFiller());
    173         mOptions.addItem(makeFiller());
    174         mPie.addItem(mBack);
    175         mBack.addItem(mRefresh);
    176         mBack.addItem(mForward);
    177         mBack.addItem(makeFiller());
    178         mBack.addItem(makeFiller());
    179         mPie.addItem(mUrl);
    180         mUrl.addItem(mFind);
    181         mUrl.addItem(mShare);
    182         mUrl.addItem(makeFiller());
    183         mUrl.addItem(makeFiller());
    184         mPie.addItem(mShowTabs);
    185         mShowTabs.addItem(mClose);
    186         mShowTabs.addItem(mIncognito);
    187         mShowTabs.addItem(mNewTab);
    188         mShowTabs.addItem(makeFiller());
    189         mPie.addItem(mBookmarks);
    190         mBookmarks.addItem(makeFiller());
    191         mBookmarks.addItem(makeFiller());
    192         mBookmarks.addItem(mAddBookmark);
    193         mBookmarks.addItem(mHistory);
    194     }
    195 
    196     @Override
    197     public void onClick(View v) {
    198         Tab tab = mUiController.getTabControl().getCurrentTab();
    199         WebView web = tab.getWebView();
    200         if (mBack.getView() == v) {
    201             tab.goBack();
    202         } else if (mForward.getView() == v) {
    203             tab.goForward();
    204         } else if (mRefresh.getView() == v) {
    205             if (tab.inPageLoad()) {
    206                 web.stopLoading();
    207             } else {
    208                 web.reload();
    209             }
    210         } else if (mUrl.getView() == v) {
    211             mUi.editUrl(false, true);
    212         } else if (mBookmarks.getView() == v) {
    213             mUiController.bookmarksOrHistoryPicker(ComboViews.Bookmarks);
    214         } else if (mHistory.getView() == v) {
    215             mUiController.bookmarksOrHistoryPicker(ComboViews.History);
    216         } else if (mAddBookmark.getView() == v) {
    217             mUiController.bookmarkCurrentPage();
    218         } else if (mNewTab.getView() == v) {
    219             mUiController.openTabToHomePage();
    220             mUi.editUrl(false, true);
    221         } else if (mIncognito.getView() == v) {
    222             mUiController.openIncognitoTab();
    223             mUi.editUrl(false, true);
    224         } else if (mClose.getView() == v) {
    225             mUiController.closeCurrentTab();
    226         } else if (mOptions.getView() == v) {
    227             mUiController.openPreferences();
    228         } else if (mShare.getView() == v) {
    229             mUiController.shareCurrentPage();
    230         } else if (mInfo.getView() == v) {
    231             mUiController.showPageInfo();
    232         } else if (mFind.getView() == v) {
    233             mUiController.findOnPage();
    234         } else if (mRDS.getView() == v) {
    235             mUiController.toggleUserAgent();
    236         } else if (mShowTabs.getView() == v) {
    237             ((PhoneUi) mUi).showNavScreen();
    238         }
    239     }
    240 
    241     private void buildTabs() {
    242         final List<Tab> tabs = mUiController.getTabs();
    243         mUi.getActiveTab().capture();
    244         mTabAdapter.setTabs(tabs);
    245         PieStackView sym = (PieStackView) mShowTabs.getPieView();
    246         sym.setCurrent(mUiController.getTabControl().getCurrentPosition());
    247     }
    248 
    249     protected PieItem makeItem(int image, int l) {
    250         ImageView view = new ImageView(mActivity);
    251         view.setImageResource(image);
    252         view.setMinimumWidth(mItemSize);
    253         view.setMinimumHeight(mItemSize);
    254         view.setScaleType(ScaleType.CENTER);
    255         LayoutParams lp = new LayoutParams(mItemSize, mItemSize);
    256         view.setLayoutParams(lp);
    257         return new PieItem(view, l);
    258     }
    259 
    260     protected PieItem makeFiller() {
    261         return new PieItem(null, 1);
    262     }
    263 
    264     protected View makeTabsView() {
    265         View v = mActivity.getLayoutInflater().inflate(R.layout.qc_tabs_view, null);
    266         mTabsCount = (TextView) v.findViewById(R.id.label);
    267         mTabsCount.setText("1");
    268         ImageView image = (ImageView) v.findViewById(R.id.icon);
    269         image.setImageResource(R.drawable.ic_windows_holo_dark);
    270         image.setScaleType(ScaleType.CENTER);
    271         LayoutParams lp = new LayoutParams(mItemSize, mItemSize);
    272         v.setLayoutParams(lp);
    273         return v;
    274     }
    275 
    276     static class TabAdapter extends BaseAdapter implements OnCurrentListener {
    277 
    278         LayoutInflater mInflater;
    279         UiController mUiController;
    280         private List<Tab> mTabs;
    281         private int mCurrent;
    282 
    283         public TabAdapter(Context ctx, UiController ctl) {
    284             mInflater = LayoutInflater.from(ctx);
    285             mUiController = ctl;
    286             mTabs = new ArrayList<Tab>();
    287             mCurrent = -1;
    288         }
    289 
    290         public void setTabs(List<Tab> tabs) {
    291             mTabs = tabs;
    292             notifyDataSetChanged();
    293         }
    294 
    295         @Override
    296         public int getCount() {
    297             return mTabs.size();
    298         }
    299 
    300         @Override
    301         public Tab getItem(int position) {
    302             return mTabs.get(position);
    303         }
    304 
    305         @Override
    306         public long getItemId(int position) {
    307             return position;
    308         }
    309 
    310         @Override
    311         public View getView(int position, View convertView, ViewGroup parent) {
    312             final Tab tab = mTabs.get(position);
    313             View view = mInflater.inflate(R.layout.qc_tab,
    314                     null);
    315             ImageView thumb = (ImageView) view.findViewById(R.id.thumb);
    316             TextView title1 = (TextView) view.findViewById(R.id.title1);
    317             TextView title2 = (TextView) view.findViewById(R.id.title2);
    318             Bitmap b = tab.getScreenshot();
    319             if (b != null) {
    320                 thumb.setImageBitmap(b);
    321             }
    322             if (position > mCurrent) {
    323                 title1.setVisibility(View.GONE);
    324                 title2.setText(tab.getTitle());
    325             } else {
    326                 title2.setVisibility(View.GONE);
    327                 title1.setText(tab.getTitle());
    328             }
    329             view.setOnClickListener(new OnClickListener() {
    330                 @Override
    331                 public void onClick(View v) {
    332                     mUiController.switchToTab(tab);
    333                 }
    334             });
    335             return view;
    336         }
    337 
    338         @Override
    339         public void onSetCurrent(int index) {
    340             mCurrent = index;
    341         }
    342 
    343     }
    344 
    345 }
    346