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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.launcher2;
     18 
     19 import android.content.Context;
     20 import android.content.res.Configuration;
     21 import android.content.res.Resources;
     22 import android.content.res.TypedArray;
     23 import android.util.AttributeSet;
     24 import android.view.LayoutInflater;
     25 import android.view.MotionEvent;
     26 import android.view.View;
     27 import android.widget.FrameLayout;
     28 
     29 import com.android.launcher.R;
     30 
     31 public class Hotseat extends FrameLayout {
     32     @SuppressWarnings("unused")
     33     private static final String TAG = "Hotseat";
     34 
     35     private Launcher mLauncher;
     36     private CellLayout mContent;
     37 
     38     private int mCellCountX;
     39     private int mCellCountY;
     40     private int mAllAppsButtonRank;
     41 
     42     private boolean mTransposeLayoutWithOrientation;
     43     private boolean mIsLandscape;
     44 
     45     public Hotseat(Context context) {
     46         this(context, null);
     47     }
     48 
     49     public Hotseat(Context context, AttributeSet attrs) {
     50         this(context, attrs, 0);
     51     }
     52 
     53     public Hotseat(Context context, AttributeSet attrs, int defStyle) {
     54         super(context, attrs, defStyle);
     55 
     56         TypedArray a = context.obtainStyledAttributes(attrs,
     57                 R.styleable.Hotseat, defStyle, 0);
     58         Resources r = context.getResources();
     59         mCellCountX = a.getInt(R.styleable.Hotseat_cellCountX, -1);
     60         mCellCountY = a.getInt(R.styleable.Hotseat_cellCountY, -1);
     61         mAllAppsButtonRank = r.getInteger(R.integer.hotseat_all_apps_index);
     62         mTransposeLayoutWithOrientation =
     63                 r.getBoolean(R.bool.hotseat_transpose_layout_with_orientation);
     64         mIsLandscape = context.getResources().getConfiguration().orientation ==
     65             Configuration.ORIENTATION_LANDSCAPE;
     66     }
     67 
     68     public void setup(Launcher launcher) {
     69         mLauncher = launcher;
     70         setOnKeyListener(new HotseatIconKeyEventListener());
     71     }
     72 
     73     CellLayout getLayout() {
     74         return mContent;
     75     }
     76 
     77     private boolean hasVerticalHotseat() {
     78         return (mIsLandscape && mTransposeLayoutWithOrientation);
     79     }
     80 
     81     /* Get the orientation invariant order of the item in the hotseat for persistence. */
     82     int getOrderInHotseat(int x, int y) {
     83         return hasVerticalHotseat() ? (mContent.getCountY() - y - 1) : x;
     84     }
     85     /* Get the orientation specific coordinates given an invariant order in the hotseat. */
     86     int getCellXFromOrder(int rank) {
     87         return hasVerticalHotseat() ? 0 : rank;
     88     }
     89     int getCellYFromOrder(int rank) {
     90         return hasVerticalHotseat() ? (mContent.getCountY() - (rank + 1)) : 0;
     91     }
     92     public boolean isAllAppsButtonRank(int rank) {
     93         return rank == mAllAppsButtonRank;
     94     }
     95 
     96     @Override
     97     protected void onFinishInflate() {
     98         super.onFinishInflate();
     99         if (mCellCountX < 0) mCellCountX = LauncherModel.getCellCountX();
    100         if (mCellCountY < 0) mCellCountY = LauncherModel.getCellCountY();
    101         mContent = (CellLayout) findViewById(R.id.layout);
    102         mContent.setGridSize(mCellCountX, mCellCountY);
    103         mContent.setIsHotseat(true);
    104 
    105         resetLayout();
    106     }
    107 
    108     void resetLayout() {
    109         mContent.removeAllViewsInLayout();
    110 
    111         // Add the Apps button
    112         Context context = getContext();
    113         LayoutInflater inflater = LayoutInflater.from(context);
    114         BubbleTextView allAppsButton = (BubbleTextView)
    115                 inflater.inflate(R.layout.application, mContent, false);
    116         allAppsButton.setCompoundDrawablesWithIntrinsicBounds(null,
    117                 context.getResources().getDrawable(R.drawable.all_apps_button_icon), null, null);
    118         allAppsButton.setContentDescription(context.getString(R.string.all_apps_button_label));
    119         allAppsButton.setOnTouchListener(new View.OnTouchListener() {
    120             @Override
    121             public boolean onTouch(View v, MotionEvent event) {
    122                 if (mLauncher != null &&
    123                     (event.getAction() & MotionEvent.ACTION_MASK) == MotionEvent.ACTION_DOWN) {
    124                     mLauncher.onTouchDownAllAppsButton(v);
    125                 }
    126                 return false;
    127             }
    128         });
    129 
    130         allAppsButton.setOnClickListener(new View.OnClickListener() {
    131             @Override
    132             public void onClick(android.view.View v) {
    133                 if (mLauncher != null) {
    134                     mLauncher.onClickAllAppsButton(v);
    135                 }
    136             }
    137         });
    138 
    139         // Note: We do this to ensure that the hotseat is always laid out in the orientation of
    140         // the hotseat in order regardless of which orientation they were added
    141         int x = getCellXFromOrder(mAllAppsButtonRank);
    142         int y = getCellYFromOrder(mAllAppsButtonRank);
    143         CellLayout.LayoutParams lp = new CellLayout.LayoutParams(x,y,1,1);
    144         lp.canReorder = false;
    145         mContent.addViewToCellLayout(allAppsButton, -1, 0, lp, true);
    146     }
    147 }
    148