Home | History | Annotate | Download | only in launcher3 
      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 static com.android.launcher3.LauncherState.ALL_APPS;
     20 
     21 import android.content.Context;
     22 import android.graphics.Rect;
     23 import android.graphics.drawable.Drawable;
     24 import android.util.AttributeSet;
     25 import android.view.Gravity;
     26 import android.view.LayoutInflater;
     27 import android.view.MotionEvent;
     28 import android.view.View;
     29 import android.view.ViewDebug;
     30 import android.view.ViewGroup;
     31 import android.widget.FrameLayout;
     32 import android.widget.TextView;
     33 
     34 import com.android.launcher3.config.FeatureFlags;
     35 import com.android.launcher3.logging.UserEventDispatcher.LogContainerProvider;
     36 import com.android.launcher3.userevent.nano.LauncherLogProto.Action;
     37 import com.android.launcher3.userevent.nano.LauncherLogProto.ContainerType;
     38 import com.android.launcher3.userevent.nano.LauncherLogProto.ControlType;
     39 import com.android.launcher3.userevent.nano.LauncherLogProto.Target;
     40 
     41 public class Hotseat extends FrameLayout implements LogContainerProvider, Insettable {
     42 
     43     private final Launcher mLauncher;
     44     private CellLayout mContent;
     45 
     46     @ViewDebug.ExportedProperty(category = "launcher")
     47     private boolean mHasVerticalHotseat;
     48 
     49     public Hotseat(Context context) {
     50         this(context, null);
     51     }
     52 
     53     public Hotseat(Context context, AttributeSet attrs) {
     54         this(context, attrs, 0);
     55     }
     56 
     57     public Hotseat(Context context, AttributeSet attrs, int defStyle) {
     58         super(context, attrs, defStyle);
     59         mLauncher = Launcher.getLauncher(context);
     60     }
     61 
     62     public CellLayout getLayout() {
     63         return mContent;
     64     }
     65 
     66     /* Get the orientation invariant order of the item in the hotseat for persistence. */
     67     int getOrderInHotseat(int x, int y) {
     68         return mHasVerticalHotseat ? (mContent.getCountY() - y - 1) : x;
     69     }
     70 
     71     /* Get the orientation specific coordinates given an invariant order in the hotseat. */
     72     int getCellXFromOrder(int rank) {
     73         return mHasVerticalHotseat ? 0 : rank;
     74     }
     75 
     76     int getCellYFromOrder(int rank) {
     77         return mHasVerticalHotseat ? (mContent.getCountY() - (rank + 1)) : 0;
     78     }
     79 
     80     @Override
     81     protected void onFinishInflate() {
     82         super.onFinishInflate();
     83         mContent = findViewById(R.id.layout);
     84     }
     85 
     86     void resetLayout(boolean hasVerticalHotseat) {
     87         mContent.removeAllViewsInLayout();
     88         mHasVerticalHotseat = hasVerticalHotseat;
     89         InvariantDeviceProfile idp = mLauncher.getDeviceProfile().inv;
     90         if (hasVerticalHotseat) {
     91             mContent.setGridSize(1, idp.numHotseatIcons);
     92         } else {
     93             mContent.setGridSize(idp.numHotseatIcons, 1);
     94         }
     95 
     96         if (!FeatureFlags.NO_ALL_APPS_ICON) {
     97             // Add the Apps button
     98             Context context = getContext();
     99             DeviceProfile grid = mLauncher.getDeviceProfile();
    100             int allAppsButtonRank = grid.inv.getAllAppsButtonRank();
    101 
    102             LayoutInflater inflater = LayoutInflater.from(context);
    103             TextView allAppsButton = (TextView)
    104                     inflater.inflate(R.layout.all_apps_button, mContent, false);
    105             Drawable d = context.getResources().getDrawable(R.drawable.all_apps_button_icon);
    106             d.setBounds(0, 0, grid.iconSizePx, grid.iconSizePx);
    107 
    108             int scaleDownPx = getResources().getDimensionPixelSize(R.dimen.all_apps_button_scale_down);
    109             Rect bounds = d.getBounds();
    110             d.setBounds(bounds.left, bounds.top + scaleDownPx / 2, bounds.right - scaleDownPx,
    111                     bounds.bottom - scaleDownPx / 2);
    112             allAppsButton.setCompoundDrawables(null, d, null, null);
    113 
    114             allAppsButton.setContentDescription(context.getString(R.string.all_apps_button_label));
    115             if (mLauncher != null) {
    116                 allAppsButton.setOnClickListener((v) -> {
    117                     if (!mLauncher.isInState(ALL_APPS)) {
    118                         mLauncher.getUserEventDispatcher().logActionOnControl(Action.Touch.TAP,
    119                                 ControlType.ALL_APPS_BUTTON);
    120                         mLauncher.getStateManager().goToState(ALL_APPS);
    121                     }
    122                 });
    123                 allAppsButton.setOnFocusChangeListener(mLauncher.mFocusHandler);
    124             }
    125 
    126             // Note: We do this to ensure that the hotseat is always laid out in the orientation of
    127             // the hotseat in order regardless of which orientation they were added
    128             int x = getCellXFromOrder(allAppsButtonRank);
    129             int y = getCellYFromOrder(allAppsButtonRank);
    130             CellLayout.LayoutParams lp = new CellLayout.LayoutParams(x, y, 1, 1);
    131             lp.canReorder = false;
    132             mContent.addViewToCellLayout(allAppsButton, -1, allAppsButton.getId(), lp, true);
    133         }
    134     }
    135 
    136     @Override
    137     public boolean onInterceptTouchEvent(MotionEvent ev) {
    138         // We don't want any clicks to go through to the hotseat unless the workspace is in
    139         // the normal state or an accessible drag is in progress.
    140         return !mLauncher.getWorkspace().workspaceIconsCanBeDragged() &&
    141                 !mLauncher.getAccessibilityDelegate().isInAccessibleDrag();
    142     }
    143 
    144     @Override
    145     public void fillInLogContainerData(View v, ItemInfo info, Target target, Target targetParent) {
    146         target.gridX = info.cellX;
    147         target.gridY = info.cellY;
    148         targetParent.containerType = ContainerType.HOTSEAT;
    149     }
    150 
    151     @Override
    152     public void setInsets(Rect insets) {
    153         FrameLayout.LayoutParams lp = (FrameLayout.LayoutParams) getLayoutParams();
    154         DeviceProfile grid = mLauncher.getDeviceProfile();
    155 
    156         if (grid.isVerticalBarLayout()) {
    157             lp.height = ViewGroup.LayoutParams.MATCH_PARENT;
    158             if (grid.isSeascape()) {
    159                 lp.gravity = Gravity.LEFT;
    160                 lp.width = grid.hotseatBarSizePx + insets.left + grid.hotseatBarSidePaddingPx;
    161             } else {
    162                 lp.gravity = Gravity.RIGHT;
    163                 lp.width = grid.hotseatBarSizePx + insets.right + grid.hotseatBarSidePaddingPx;
    164             }
    165         } else {
    166             lp.gravity = Gravity.BOTTOM;
    167             lp.width = ViewGroup.LayoutParams.MATCH_PARENT;
    168             lp.height = grid.hotseatBarSizePx + insets.bottom;
    169         }
    170         Rect padding = grid.getHotseatLayoutPadding();
    171         getLayout().setPadding(padding.left, padding.top, padding.right, padding.bottom);
    172 
    173         setLayoutParams(lp);
    174         InsettableFrameLayout.dispatchInsets(this, insets);
    175     }
    176 }
    177