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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.launcher3;
     18 
     19 import android.content.Context;
     20 import android.content.res.Configuration;
     21 import android.content.res.Resources;
     22 import android.graphics.drawable.Drawable;
     23 import android.os.Bundle;
     24 import android.util.AttributeSet;
     25 import android.view.LayoutInflater;
     26 import android.view.MotionEvent;
     27 import android.widget.FrameLayout;
     28 import android.widget.TextView;
     29 
     30 public class Hotseat extends FrameLayout
     31         implements Stats.LaunchSourceProvider{
     32 
     33     private CellLayout mContent;
     34 
     35     private Launcher mLauncher;
     36 
     37     private int mAllAppsButtonRank;
     38 
     39     private final boolean mHasVerticalHotseat;
     40 
     41     public Hotseat(Context context) {
     42         this(context, null);
     43     }
     44 
     45     public Hotseat(Context context, AttributeSet attrs) {
     46         this(context, attrs, 0);
     47     }
     48 
     49     public Hotseat(Context context, AttributeSet attrs, int defStyle) {
     50         super(context, attrs, defStyle);
     51         mLauncher = (Launcher) context;
     52         mHasVerticalHotseat = mLauncher.getDeviceProfile().isVerticalBarLayout();
     53     }
     54 
     55     CellLayout getLayout() {
     56         return mContent;
     57     }
     58 
     59     /**
     60      * Returns whether there are other icons than the all apps button in the hotseat.
     61      */
     62     public boolean hasIcons() {
     63         return mContent.getShortcutsAndWidgets().getChildCount() > 1;
     64     }
     65 
     66     /**
     67      * Registers the specified listener on the cell layout of the hotseat.
     68      */
     69     @Override
     70     public void setOnLongClickListener(OnLongClickListener l) {
     71         mContent.setOnLongClickListener(l);
     72     }
     73 
     74     /* Get the orientation invariant order of the item in the hotseat for persistence. */
     75     int getOrderInHotseat(int x, int y) {
     76         return mHasVerticalHotseat ? (mContent.getCountY() - y - 1) : x;
     77     }
     78 
     79     /* Get the orientation specific coordinates given an invariant order in the hotseat. */
     80     int getCellXFromOrder(int rank) {
     81         return mHasVerticalHotseat ? 0 : rank;
     82     }
     83 
     84     int getCellYFromOrder(int rank) {
     85         return mHasVerticalHotseat ? (mContent.getCountY() - (rank + 1)) : 0;
     86     }
     87 
     88     public boolean isAllAppsButtonRank(int rank) {
     89         return rank == mAllAppsButtonRank;
     90     }
     91 
     92     @Override
     93     protected void onFinishInflate() {
     94         super.onFinishInflate();
     95         DeviceProfile grid = mLauncher.getDeviceProfile();
     96 
     97         mAllAppsButtonRank = grid.inv.hotseatAllAppsRank;
     98         mContent = (CellLayout) findViewById(R.id.layout);
     99         if (grid.isLandscape && !grid.isLargeTablet) {
    100             mContent.setGridSize(1, (int) grid.inv.numHotseatIcons);
    101         } else {
    102             mContent.setGridSize((int) grid.inv.numHotseatIcons, 1);
    103         }
    104         mContent.setIsHotseat(true);
    105 
    106         resetLayout();
    107     }
    108 
    109     void resetLayout() {
    110         mContent.removeAllViewsInLayout();
    111 
    112         // Add the Apps button
    113         Context context = getContext();
    114 
    115         LayoutInflater inflater = LayoutInflater.from(context);
    116         TextView allAppsButton = (TextView)
    117                 inflater.inflate(R.layout.all_apps_button, mContent, false);
    118         Drawable d = context.getResources().getDrawable(R.drawable.all_apps_button_icon);
    119 
    120         mLauncher.resizeIconDrawable(d);
    121         allAppsButton.setCompoundDrawables(null, d, null, null);
    122 
    123         allAppsButton.setContentDescription(context.getString(R.string.all_apps_button_label));
    124         allAppsButton.setOnKeyListener(new HotseatIconKeyEventListener());
    125         if (mLauncher != null) {
    126             mLauncher.setAllAppsButton(allAppsButton);
    127             allAppsButton.setOnTouchListener(mLauncher.getHapticFeedbackTouchListener());
    128             allAppsButton.setOnClickListener(mLauncher);
    129             allAppsButton.setOnLongClickListener(mLauncher);
    130             allAppsButton.setOnFocusChangeListener(mLauncher.mFocusHandler);
    131         }
    132 
    133         // Note: We do this to ensure that the hotseat is always laid out in the orientation of
    134         // the hotseat in order regardless of which orientation they were added
    135         int x = getCellXFromOrder(mAllAppsButtonRank);
    136         int y = getCellYFromOrder(mAllAppsButtonRank);
    137         CellLayout.LayoutParams lp = new CellLayout.LayoutParams(x,y,1,1);
    138         lp.canReorder = false;
    139         mContent.addViewToCellLayout(allAppsButton, -1, allAppsButton.getId(), lp, true);
    140     }
    141 
    142     @Override
    143     public boolean onInterceptTouchEvent(MotionEvent ev) {
    144         // We don't want any clicks to go through to the hotseat unless the workspace is in
    145         // the normal state.
    146         if (mLauncher.getWorkspace().workspaceInModalState()) {
    147             return true;
    148         }
    149         return false;
    150     }
    151 
    152     @Override
    153     public void fillInLaunchSourceData(Bundle sourceData) {
    154         sourceData.putString(Stats.SOURCE_EXTRA_CONTAINER, Stats.CONTAINER_HOTSEAT);
    155     }
    156 }
    157