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