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platform_packages_apps_Launcher3
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Merge "Removing AccessibleTabView and some other dead code." into ub-now-queens

This commit is contained in:
Sunny Goyal 2014-10-23 16:52:30 +00:00 committed by Android (Google) Code Review
parent 24e18aea81 1aaf6f20a7
commit 09c7fc7144
2 changed files with 0 additions and 259 deletions
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51
src/com/android/launcher3/AccessibleTabView.java
View File

@ -1,51 +0,0 @@
/*
* 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.launcher3;
import android.content.Context;
import android.util.AttributeSet;
import android.view.KeyEvent;
import android.widget.TextView;
/**
* We use a custom tab view to process our own focus traversals.
*/
public class AccessibleTabView extends TextView {
public AccessibleTabView(Context context) {
super(context);
}
public AccessibleTabView(Context context, AttributeSet attrs) {
super(context, attrs);
}
public AccessibleTabView(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
}
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
return FocusHelper.handleTabKeyEvent(this, keyCode, event)
|| super.onKeyDown(keyCode, event);
}
@Override
public boolean onKeyUp(int keyCode, KeyEvent event) {
return FocusHelper.handleTabKeyEvent(this, keyCode, event)
|| super.onKeyUp(keyCode, event);
}
}

208
src/com/android/launcher3/FocusHelper.java
View File

@ -17,12 +17,10 @@
package com.android.launcher3;
import android.content.res.Configuration;
import android.util.Log;
import android.view.KeyEvent;
import android.view.SoundEffectConstants;
import android.view.View;
import android.view.ViewGroup;
import android.view.ViewParent;
import android.widget.ScrollView;
import java.util.ArrayList;
@ -58,16 +56,6 @@ class HotseatIconKeyEventListener implements View.OnKeyListener {
}
public class FocusHelper {
/**
* Private helper to get the parent TabHost in the view hiearchy.
*/
private static AppsCustomizeTabHost findTabHostParent(View v) {
ViewParent p = v.getParent();
while (p != null && !(p instanceof AppsCustomizeTabHost)) {
p = p.getParent();
}
return (AppsCustomizeTabHost) p;
}
/**
* Returns the Viewgroup containing page contents for the page at the index specified.
@ -81,148 +69,6 @@ public class FocusHelper {
return page;
}
/**
* Handles key events in a PageViewExtendedLayout containing PagedViewWidgets.
*/
static boolean handlePagedViewGridLayoutWidgetKeyEvent(PagedViewWidget w, int keyCode,
KeyEvent e) {
final PagedViewGridLayout parent = (PagedViewGridLayout) w.getParent();
final PagedView container = (PagedView) parent.getParent();
final int widgetIndex = parent.indexOfChild(w);
final int widgetCount = parent.getChildCount();
final int pageIndex = ((PagedView) container).indexToPage(container.indexOfChild(parent));
final int pageCount = container.getChildCount();
final int cellCountX = parent.getCellCountX();
final int cellCountY = parent.getCellCountY();
final int x = widgetIndex % cellCountX;
final int y = widgetIndex / cellCountX;
final int action = e.getAction();
final boolean handleKeyEvent = (action != KeyEvent.ACTION_UP);
ViewGroup newParent = null;
// Now that we load items in the bg asynchronously, we can't just focus
// child siblings willy-nilly
View child = null;
boolean wasHandled = false;
switch (keyCode) {
case KeyEvent.KEYCODE_DPAD_LEFT:
if (handleKeyEvent) {
// Select the previous widget or the last widget on the previous page
if (widgetIndex > 0) {
parent.getChildAt(widgetIndex - 1).requestFocus();
} else {
if (pageIndex > 0) {
newParent = getAppsCustomizePage(container, pageIndex - 1);
if (newParent != null) {
child = newParent.getChildAt(newParent.getChildCount() - 1);
if (child != null) child.requestFocus();
}
}
}
}
wasHandled = true;
break;
case KeyEvent.KEYCODE_DPAD_RIGHT:
if (handleKeyEvent) {
// Select the next widget or the first widget on the next page
if (widgetIndex < (widgetCount - 1)) {
parent.getChildAt(widgetIndex + 1).requestFocus();
} else {
if (pageIndex < (pageCount - 1)) {
newParent = getAppsCustomizePage(container, pageIndex + 1);
if (newParent != null) {
child = newParent.getChildAt(0);
if (child != null) child.requestFocus();
}
}
}
}
wasHandled = true;
break;
case KeyEvent.KEYCODE_DPAD_UP:
if (handleKeyEvent) {
// Select the closest icon in the previous row, otherwise select the tab bar
if (y > 0) {
int newWidgetIndex = ((y - 1) * cellCountX) + x;
child = parent.getChildAt(newWidgetIndex);
if (child != null) child.requestFocus();
}
}
wasHandled = true;
break;
case KeyEvent.KEYCODE_DPAD_DOWN:
if (handleKeyEvent) {
// Select the closest icon in the previous row, otherwise do nothing
if (y < (cellCountY - 1)) {
int newWidgetIndex = Math.min(widgetCount - 1, ((y + 1) * cellCountX) + x);
child = parent.getChildAt(newWidgetIndex);
if (child != null) child.requestFocus();
}
}
wasHandled = true;
break;
case KeyEvent.KEYCODE_ENTER:
case KeyEvent.KEYCODE_DPAD_CENTER:
if (handleKeyEvent) {
// Simulate a click on the widget
View.OnClickListener clickListener = (View.OnClickListener) container;
clickListener.onClick(w);
}
wasHandled = true;
break;
case KeyEvent.KEYCODE_PAGE_UP:
if (handleKeyEvent) {
// Select the first item on the previous page, or the first item on this page
// if there is no previous page
if (pageIndex > 0) {
newParent = getAppsCustomizePage(container, pageIndex - 1);
if (newParent != null) {
child = newParent.getChildAt(0);
}
} else {
child = parent.getChildAt(0);
}
if (child != null) child.requestFocus();
}
wasHandled = true;
break;
case KeyEvent.KEYCODE_PAGE_DOWN:
if (handleKeyEvent) {
// Select the first item on the next page, or the last item on this page
// if there is no next page
if (pageIndex < (pageCount - 1)) {
newParent = getAppsCustomizePage(container, pageIndex + 1);
if (newParent != null) {
child = newParent.getChildAt(0);
}
} else {
child = parent.getChildAt(widgetCount - 1);
}
if (child != null) child.requestFocus();
}
wasHandled = true;
break;
case KeyEvent.KEYCODE_MOVE_HOME:
if (handleKeyEvent) {
// Select the first item on this page
child = parent.getChildAt(0);
if (child != null) child.requestFocus();
}
wasHandled = true;
break;
case KeyEvent.KEYCODE_MOVE_END:
if (handleKeyEvent) {
// Select the last item on this page
parent.getChildAt(widgetCount - 1).requestFocus();
}
wasHandled = true;
break;
default: break;
}
return wasHandled;
}
/**
* Handles key events in a PageViewCellLayout containing PagedViewIcons.
*/
@ -393,60 +239,6 @@ public class FocusHelper {
return wasHandled;
}
/**
* Handles key events in the tab widget.
*/
static boolean handleTabKeyEvent(AccessibleTabView v, int keyCode, KeyEvent e) {
if (!LauncherAppState.getInstance().isScreenLarge()) return false;
final FocusOnlyTabWidget parent = (FocusOnlyTabWidget) v.getParent();
final AppsCustomizeTabHost tabHost = findTabHostParent(parent);
final ViewGroup contents = tabHost.getContent();
final int tabCount = parent.getTabCount();
final int tabIndex = parent.getChildTabIndex(v);
final int action = e.getAction();
final boolean handleKeyEvent = (action != KeyEvent.ACTION_UP);
boolean wasHandled = false;
switch (keyCode) {
case KeyEvent.KEYCODE_DPAD_LEFT:
if (handleKeyEvent) {
// Select the previous tab
if (tabIndex > 0) {
parent.getChildTabViewAt(tabIndex - 1).requestFocus();
}
}
wasHandled = true;
break;
case KeyEvent.KEYCODE_DPAD_RIGHT:
if (handleKeyEvent) {
// Select the next tab, or if the last tab has a focus right id, select that
if (tabIndex < (tabCount - 1)) {
parent.getChildTabViewAt(tabIndex + 1).requestFocus();
} else {
if (v.getNextFocusRightId() != View.NO_ID) {
tabHost.findViewById(v.getNextFocusRightId()).requestFocus();
}
}
}
wasHandled = true;
break;
case KeyEvent.KEYCODE_DPAD_UP:
// Do nothing
wasHandled = true;
break;
case KeyEvent.KEYCODE_DPAD_DOWN:
if (handleKeyEvent) {
// Select the content view
contents.requestFocus();
}
wasHandled = true;
break;
default: break;
}
return wasHandled;
}
/**
* Handles key events in the workspace hotseat (bottom of the screen).
*/