Fixing AllApps pressed state (issue 10845969)

-> Adding haptic feedback to overview mode buttons (issue 10917359)

Change-Id: Iaf7ac31521ae08f4223aa0d0ffc2f6511b85567f

res/layout/all_apps_button.xml

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2008 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<TextView xmlns:android="http://schemas.android.com/apk/res/android"
+   style="@style/WorkspaceIcon"
+   android:focusable="true"
+   android:background="@drawable/focusable_view_bg" />

src/com/android/launcher3/Hotseat.java

@@ -28,6 +28,7 @@ import android.view.LayoutInflater;
 import android.view.MotionEvent;
 import android.view.View;
 import android.widget.FrameLayout;
+import android.widget.TextView;
 
 import java.util.ArrayList;
 
@@ -126,27 +127,17 @@ public class Hotseat extends FrameLayout {
             // Add the Apps button
             Context context = getContext();
 
-            Drawable rawIcon =
-                    context.getResources().getDrawable(R.drawable.all_apps_button_icon);
-            Bitmap icon = Utilities.createIconBitmap(rawIcon, context);
-
             LayoutInflater inflater = LayoutInflater.from(context);
-            BubbleTextView allAppsButton = (BubbleTextView)
-                    inflater.inflate(R.layout.application, mContent, false);
-            allAppsButton.setCompoundDrawablesWithIntrinsicBounds(null,
-                    new FastBitmapDrawable(icon), null, null);
-            allAppsButton.setContentDescription(context.getString(R.string.all_apps_button_label));
-            allAppsButton.setOnTouchListener(new View.OnTouchListener() {
-                @Override
-                public boolean onTouch(View v, MotionEvent event) {
-                    if (mLauncher != null &&
-                            (event.getAction() & MotionEvent.ACTION_MASK) == MotionEvent.ACTION_DOWN) {
-                        mLauncher.onTouchDownAllAppsButton(v);
-                    }
-                    return false;
-                }
-            });
+            TextView allAppsButton = (TextView)
+                    inflater.inflate(R.layout.all_apps_button, mContent, false);
+            Drawable d = context.getResources().getDrawable(R.drawable.all_apps_button_icon);
+            d.setBounds(0, 0, Utilities.sIconTextureWidth, Utilities.sIconTextureHeight);
+            allAppsButton.setCompoundDrawables(null, d, null, null);
 
+            allAppsButton.setContentDescription(context.getString(R.string.all_apps_button_label));
+            if (mLauncher != null) {
+                allAppsButton.setOnTouchListener(mLauncher.getHapticFeedbackTouchListener());
+            }
             allAppsButton.setOnClickListener(new View.OnClickListener() {
                 @Override
                 public void onClick(android.view.View v) {

src/com/android/launcher3/Launcher.java

@@ -281,6 +281,8 @@ public class Launcher extends Activity
 
     private static HashMap<Long, FolderInfo> sFolders = new HashMap<Long, FolderInfo>();
 
+    private View.OnTouchListener mHapticFeedbackTouchListener;
+
     // Related to the auto-advancing of widgets
     private final int ADVANCE_MSG = 1;
     private final int mAdvanceInterval = 20000;
@@ -1148,24 +1150,32 @@ public class Launcher extends Activity
         }
 
         mOverviewPanel = findViewById(R.id.overview_panel);
-        findViewById(R.id.widget_button).setOnClickListener(new OnClickListener() {
+        View widgetButton = findViewById(R.id.widget_button);
+        widgetButton.setOnClickListener(new OnClickListener() {
             @Override
             public void onClick(View arg0) {
                 showAllApps(true, AppsCustomizePagedView.ContentType.Widgets);
             }
         });
-        findViewById(R.id.wallpaper_button).setOnClickListener(new OnClickListener() {
+        widgetButton.setOnTouchListener(getHapticFeedbackTouchListener());
+
+        View wallpaperButton = findViewById(R.id.wallpaper_button);
+        wallpaperButton.setOnClickListener(new OnClickListener() {
             @Override
             public void onClick(View arg0) {
                 startWallpaper();
             }
         });
-        findViewById(R.id.settings_button).setOnClickListener(new OnClickListener() {
+        wallpaperButton.setOnTouchListener(getHapticFeedbackTouchListener());
+
+        View settingsButton = findViewById(R.id.settings_button);
+        settingsButton.setOnClickListener(new OnClickListener() {
             @Override
             public void onClick(View arg0) {
                 startSettings();
             }
         });
+        settingsButton.setOnTouchListener(getHapticFeedbackTouchListener());
         mOverviewPanel.setAlpha(0f);
 
         // Setup the workspace
@@ -2274,6 +2284,26 @@ public class Launcher extends Activity
         v.performHapticFeedback(HapticFeedbackConstants.VIRTUAL_KEY);
     }
 
+    public void performHapticFeedbackOnTouchDown(View v) {
+        // Provide the same haptic feedback that the system offers for virtual keys.
+        v.performHapticFeedback(HapticFeedbackConstants.VIRTUAL_KEY);
+    }
+
+    public View.OnTouchListener getHapticFeedbackTouchListener() {
+        if (mHapticFeedbackTouchListener == null) {
+            mHapticFeedbackTouchListener = new View.OnTouchListener() {
+                @Override
+                public boolean onTouch(View v, MotionEvent event) {
+                    if ((event.getAction() & MotionEvent.ACTION_MASK) == MotionEvent.ACTION_DOWN) {
+                        v.performHapticFeedback(HapticFeedbackConstants.VIRTUAL_KEY);
+                    }
+                    return false;
+                }
+            };
+        }
+        return mHapticFeedbackTouchListener;
+    }
+
     public void onClickAppMarketButton(View v) {
         if (!DISABLE_MARKET_BUTTON) {
             if (mAppMarketIntent != null) {

src/com/android/launcher3/Utilities.java

@@ -48,8 +48,8 @@ final class Utilities {
 
     private static int sIconWidth = -1;
     private static int sIconHeight = -1;
-    private static int sIconTextureWidth = -1;
-    private static int sIconTextureHeight = -1;
+    public static int sIconTextureWidth = -1;
+    public static int sIconTextureHeight = -1;
 
     private static final Paint sBlurPaint = new Paint();
     private static final Paint sGlowColorPressedPaint = new Paint();