Fix keyboard shortcut display layout

The keyboard_shortcuts_keyword TextView in keyboard_shortcut_app_item
layout was wrap_content making it take all the space in case the text is
too long. The TextView is now rendered indide a KeyboardShortcutsLayout
which extends the RelativeLayout and sets the maxWidth of
keyboard_shortcuts_keyword TextView to 70% when onMeasure is called with
EXACT MeasureSpec.

Bug: 32980732
Fixes: 32980732
Test: Manual
Change-Id: I1250802af0a4ad011e842318384ca6fe5686989c

2 files changed, 64 insertions, 2 deletions

diff --git a/packages/SystemUI/res/layout/keyboard_shortcut_app_item.xml b/packages/SystemUI/res/layout/keyboard_shortcut_app_item.xml
index 69e52c53808d..d49aff9abc01 100644
--- a/packages/SystemUI/res/layout/keyboard_shortcut_app_item.xml
+++ b/packages/SystemUI/res/layout/keyboard_shortcut_app_item.xml
@@ -14,7 +14,8 @@
   ~ See the License for the specific language governing permissions and
   ~ limitations under the License
   -->
-<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<com.android.systemui.statusbar.KeyboardShortcutAppItemLayout
+        xmlns:android="http://schemas.android.com/apk/res/android"
         android:orientation="horizontal"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
@@ -37,6 +38,7 @@
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:paddingEnd="12dp"
+            android:paddingBottom="4dp"
             android:textColor="@color/ksh_keyword_color"
             android:textSize="16sp"
             android:maxLines="5"
@@ -55,4 +57,4 @@
             android:scrollHorizontally="false"
             android:layout_centerVertical="true"
             android:focusable="true"/>
-</RelativeLayout>
+</com.android.systemui.statusbar.KeyboardShortcutAppItemLayout>
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/KeyboardShortcutAppItemLayout.java b/packages/SystemUI/src/com/android/systemui/statusbar/KeyboardShortcutAppItemLayout.java
new file mode 100644
index 000000000000..507b66524c0b
--- /dev/null
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/KeyboardShortcutAppItemLayout.java
@@ -0,0 +1,60 @@
+/*
+ * Copyright (C) 2016 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
+ */
+
+package com.android.systemui.statusbar;
+
+import android.content.Context;
+import android.util.AttributeSet;
+import android.view.View;
+import android.widget.ImageView;
+import android.widget.RelativeLayout;
+import android.widget.TextView;
+
+import com.android.systemui.R;
+
+/**
+ * Layout used for displaying keyboard shortcut items inside an alert dialog.
+ * The layout sets the maxWidth of shortcuts keyword textview to 70% of available space.
+ */
+public class KeyboardShortcutAppItemLayout extends RelativeLayout {
+
+    private static final double MAX_WIDTH_PERCENT_FOR_KEYWORDS = 0.70;
+
+    public KeyboardShortcutAppItemLayout(Context context) {
+        super(context);
+    }
+
+    public KeyboardShortcutAppItemLayout(Context context, AttributeSet attrs) {
+        super(context, attrs);
+    }
+
+    @Override
+    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
+        if (MeasureSpec.getMode(widthMeasureSpec) == MeasureSpec.EXACTLY) {
+            ImageView shortcutIcon = (ImageView) findViewById(R.id.keyboard_shortcuts_icon);
+            TextView shortcutKeyword = (TextView) findViewById(R.id.keyboard_shortcuts_keyword);
+            int totalMeasuredWidth = MeasureSpec.getSize(widthMeasureSpec);
+            int totalPadding = getPaddingLeft() + getPaddingRight();
+            int availableWidth = totalMeasuredWidth - totalPadding;
+            if (shortcutIcon.getVisibility() == View.VISIBLE) {
+                availableWidth = availableWidth - shortcutIcon.getMeasuredWidth();
+            }
+            shortcutKeyword.setMaxWidth((int)
+                    Math.round(availableWidth * MAX_WIDTH_PERCENT_FOR_KEYWORDS));
+        }
+        super.onMeasure(widthMeasureSpec, heightMeasureSpec);
+    }
+}