Adding keyboard focus support for phones.
Change-Id: I2daab961d0727bc5d892db6b50ad0f51fe23873c
diff --git a/src/com/android/launcher2/PagedViewGridLayout.java b/src/com/android/launcher2/PagedViewGridLayout.java
new file mode 100644
index 0000000..cedf71c
--- /dev/null
+++ b/src/com/android/launcher2/PagedViewGridLayout.java
@@ -0,0 +1,120 @@
+/*
+ * Copyright (C) 2011 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.launcher2;
+
+import android.content.Context;
+import android.view.MotionEvent;
+import android.view.View;
+import android.view.View.MeasureSpec;
+import android.widget.FrameLayout;
+import android.widget.LinearLayout;
+
+/**
+ * The grid based layout used strictly for the widget/wallpaper tab of the AppsCustomize pane
+ */
+public class PagedViewGridLayout extends FrameLayout implements Page {
+ static final String TAG = "PagedViewGridLayout";
+
+ private int mCellCountX;
+ private int mCellCountY;
+
+ public PagedViewGridLayout(Context context, int cellCountX, int cellCountY) {
+ super(context, null, 0);
+ mCellCountX = cellCountX;
+ mCellCountY = cellCountY;
+ }
+
+ int getCellCountX() {
+ return mCellCountX;
+ }
+ int getCellCountY() {
+ return mCellCountY;
+ }
+
+ protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
+ // PagedView currently has issues with different-sized pages since it calculates the
+ // offset of each page to scroll to before it updates the actual size of each page
+ // (which can change depending on the content if the contents aren't a fixed size).
+ // We work around this by having a minimum size on each widget page).
+ int widthSpecSize = Math.max(getSuggestedMinimumWidth(),
+ MeasureSpec.getSize(widthMeasureSpec));
+ int widthSpecMode = MeasureSpec.AT_MOST;
+ super.onMeasure(MeasureSpec.makeMeasureSpec(widthSpecSize, widthSpecMode),
+ heightMeasureSpec);
+ }
+
+ @Override
+ public boolean onTouchEvent(MotionEvent event) {
+ // We eat up the touch events here, since the PagedView (which uses the same swiping
+ // touch code as Workspace previously) uses onInterceptTouchEvent() to determine when
+ // the user is scrolling between pages. This means that if the pages themselves don't
+ // handle touch events, it gets forwarded up to PagedView itself, and it's own
+ // onTouchEvent() handling will prevent further intercept touch events from being called
+ // (it's the same view in that case). This is not ideal, but to prevent more changes,
+ // we just always mark the touch event as handled.
+ return super.onTouchEvent(event) || true;
+ }
+
+ @Override
+ protected boolean onSetAlpha(int alpha) {
+ return true;
+ }
+
+ @Override
+ public void setAlpha(float alpha) {
+ setChildrenAlpha(alpha);
+ super.setAlpha(alpha);
+ }
+
+ private void setChildrenAlpha(float alpha) {
+ final int childCount = getChildCount();
+ for (int i = 0; i < childCount; i++) {
+ getChildAt(i).setAlpha(alpha);
+ }
+ }
+
+ @Override
+ public void removeAllViewsOnPage() {
+ removeAllViews();
+ }
+
+ @Override
+ public void removeViewOnPageAt(int index) {
+ removeViewAt(index);
+ }
+
+ @Override
+ public int getPageChildCount() {
+ return getChildCount();
+ }
+
+ @Override
+ public View getChildOnPageAt(int i) {
+ return getChildAt(i);
+ }
+
+ @Override
+ public int indexOfChildOnPage(View v) {
+ return indexOfChild(v);
+ }
+
+ public static class LayoutParams extends FrameLayout.LayoutParams {
+ public LayoutParams(int width, int height) {
+ super(width, height);
+ }
+ }
+}