| /* |
| * Copyright (C) 2010 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.gallery3d.photoeditor; |
| |
| import android.content.Context; |
| import android.content.DialogInterface; |
| import android.os.Handler; |
| import android.os.Message; |
| import android.util.AttributeSet; |
| import android.view.MotionEvent; |
| import android.view.View; |
| import android.view.animation.Animation; |
| import android.view.animation.AnimationUtils; |
| import android.widget.RelativeLayout; |
| |
| import com.android.gallery3d.R; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** |
| * Toolbar that contains all tools and controls their idle/awake behaviors from UI thread. |
| */ |
| public class Toolbar extends RelativeLayout { |
| |
| private final ToolbarIdleHandler idleHandler; |
| private final List<View> tools = new ArrayList<View>(); |
| private SpinnerProgressDialog spinner; |
| |
| public Toolbar(Context context, AttributeSet attrs) { |
| super(context, attrs); |
| |
| setOnHierarchyChangeListener(new OnHierarchyChangeListener() { |
| |
| @Override |
| public void onChildViewAdded(View parent, View child) { |
| // Photo-view isn't treated as a tool that responds to user events. |
| if (child.getId() != R.id.photo_view) { |
| tools.add(child); |
| } |
| } |
| |
| @Override |
| public void onChildViewRemoved(View parent, View child) { |
| tools.remove(child); |
| } |
| }); |
| |
| idleHandler = new ToolbarIdleHandler(context, tools); |
| idleHandler.killIdle(); |
| } |
| |
| public void showSpinner() { |
| // There should be only one progress spinner running at a time. |
| if (spinner == null) { |
| spinner = new SpinnerProgressDialog(getContext(), tools, |
| new SpinnerProgressDialog.OnTouchListener() { |
| |
| @Override |
| public boolean onTouch(DialogInterface dialog, MotionEvent event) { |
| // Kill idle even when the progress dialog is shown. |
| idleHandler.killIdle(); |
| return true; |
| } |
| }); |
| spinner.show(); |
| } |
| } |
| |
| public void dismissSpinner() { |
| if (spinner != null) { |
| spinner.dismiss(); |
| spinner = null; |
| } |
| } |
| |
| @Override |
| public boolean dispatchTouchEvent(MotionEvent ev) { |
| idleHandler.killIdle(); |
| return super.dispatchTouchEvent(ev); |
| } |
| |
| private static class ToolbarIdleHandler { |
| |
| private static final int MAKE_IDLE = 1; |
| private static final int TIMEOUT_IDLE = 8000; |
| |
| private final List<View> tools; |
| private final Handler mainHandler; |
| private final Animation fadeIn; |
| private final Animation fadeOut; |
| private boolean idle; |
| |
| public ToolbarIdleHandler(Context context, final List<View> tools) { |
| this.tools = tools; |
| mainHandler = new Handler() { |
| |
| @Override |
| public void handleMessage(Message msg) { |
| switch (msg.what) { |
| case MAKE_IDLE: |
| if (!idle) { |
| idle = true; |
| for (View view : tools) { |
| view.startAnimation(fadeOut); |
| } |
| } |
| break; |
| } |
| } |
| }; |
| |
| fadeIn = AnimationUtils.loadAnimation(context, R.anim.photoeditor_fade_in); |
| fadeOut = AnimationUtils.loadAnimation(context, R.anim.photoeditor_fade_out); |
| } |
| |
| public void killIdle() { |
| mainHandler.removeMessages(MAKE_IDLE); |
| if (idle) { |
| idle = false; |
| for (View view : tools) { |
| view.startAnimation(fadeIn); |
| } |
| } |
| mainHandler.sendEmptyMessageDelayed(MAKE_IDLE, TIMEOUT_IDLE); |
| } |
| } |
| } |