/*
* Copyright (C) 2012 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.filtershow.editors;
import android.content.Context;
import android.util.AttributeSet;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.FrameLayout;
import android.widget.LinearLayout;
import android.widget.PopupMenu;
import android.widget.SeekBar;
import android.widget.SeekBar.OnSeekBarChangeListener;
import com.android.gallery3d.R;
import com.android.gallery3d.filtershow.cache.ImageLoader;
import com.android.gallery3d.filtershow.controller.Control;
import com.android.gallery3d.filtershow.filters.FilterRepresentation;
import com.android.gallery3d.filtershow.imageshow.ImageShow;
import com.android.gallery3d.filtershow.imageshow.MasterImage;
import com.android.gallery3d.filtershow.presets.ImagePreset;
/**
* Base class for Editors Must contain a mImageShow and a top level view
*/
public class Editor implements OnSeekBarChangeListener, SwapButton.SwapButtonListener {
protected Context mContext;
protected View mView;
protected ImageShow mImageShow;
protected FrameLayout mFrameLayout;
protected SeekBar mSeekBar;
Button mEditTitle;
protected Button mFilterTitle;
protected int mID;
private final String LOGTAG = "Editor";
protected FilterRepresentation mLocalRepresentation = null;
protected byte mShowParameter = SHOW_VALUE_UNDEFINED;
private Button mButton;
public static byte SHOW_VALUE_UNDEFINED = -1;
public static byte SHOW_VALUE_OFF = 0;
public static byte SHOW_VALUE_INT = 1;
public static void hackFixStrings(Menu menu) {
int count = menu.size();
for (int i = 0; i < count; i++) {
MenuItem item = menu.getItem(i);
item.setTitle(item.getTitle().toString().toUpperCase());
}
}
public String calculateUserMessage(Context context, String effectName, Object parameterValue) {
return effectName.toUpperCase() + " " + parameterValue;
}
protected Editor(int id) {
mID = id;
}
public int getID() {
return mID;
}
public byte showParameterValue() {
return mShowParameter;
}
public boolean showsSeekBar() {
return true;
}
public void setUpEditorUI(View actionButton, View editControl,
Button editTitle, Button stateButton) {
mEditTitle = editTitle;
mFilterTitle = stateButton;
mButton = editTitle;
setMenuIcon(true);
setUtilityPanelUI(actionButton, editControl);
}
public boolean showsPopupIndicator() {
return true;
}
/**
* @param actionButton the would be the area for menu etc
* @param editControl this is the black area for sliders etc
*/
public void setUtilityPanelUI(View actionButton, View editControl) {
AttributeSet aset;
Context context = editControl.getContext();
LayoutInflater inflater =
(LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
LinearLayout lp = (LinearLayout) inflater.inflate(
R.layout.filtershow_seekbar, (ViewGroup) editControl, true);
mSeekBar = (SeekBar) lp.findViewById(R.id.primarySeekBar);
mSeekBar.setOnSeekBarChangeListener(this);
if (showsSeekBar()) {
mSeekBar.setOnSeekBarChangeListener(this);
mSeekBar.setVisibility(View.VISIBLE);
} else {
mSeekBar.setVisibility(View.INVISIBLE);
}
if (mButton != null) {
if (showsPopupIndicator()) {
mButton.setCompoundDrawablesRelativeWithIntrinsicBounds(0, 0,
R.drawable.filtershow_menu_marker, 0);
} else {
mButton.setCompoundDrawablesRelativeWithIntrinsicBounds(0, 0, 0, 0);
}
}
}
@Override
public void onProgressChanged(SeekBar sbar, int progress, boolean arg2) {
}
public void setPanel() {
}
public void createEditor(Context context,FrameLayout frameLayout) {
mContext = context;
mFrameLayout = frameLayout;
mLocalRepresentation = null;
}
protected void unpack(int viewid, int layoutid) {
if (mView == null) {
mView = mFrameLayout.findViewById(viewid);
if (mView == null) {
LayoutInflater inflater = (LayoutInflater) mContext.getSystemService
(Context.LAYOUT_INFLATER_SERVICE);
mView = inflater.inflate(layoutid, mFrameLayout, false);
mFrameLayout.addView(mView, mView.getLayoutParams());
}
}
mImageShow = findImageShow(mView);
}
private ImageShow findImageShow(View view) {
if (view instanceof ImageShow) {
return (ImageShow) view;
}
if (!(view instanceof ViewGroup)) {
return null;
}
ViewGroup vg = (ViewGroup) view;
int n = vg.getChildCount();
for (int i = 0; i < n; i++) {
View v = vg.getChildAt(i);
if (v instanceof ImageShow) {
return (ImageShow) v;
} else if (v instanceof ViewGroup) {
return findImageShow(v);
}
}
return null;
}
public View getTopLevelView() {
return mView;
}
public ImageShow getImageShow() {
return mImageShow;
}
public void setImageLoader(ImageLoader imageLoader) {
mImageShow.setImageLoader(imageLoader);
}
public void setVisibility(int visible) {
mView.setVisibility(visible);
}
public FilterRepresentation getLocalRepresentation() {
if (mLocalRepresentation == null) {
ImagePreset preset = MasterImage.getImage().getPreset();
FilterRepresentation filterRepresentation = MasterImage.getImage().getCurrentFilterRepresentation();
mLocalRepresentation = preset.getFilterRepresentationCopyFrom(filterRepresentation);
if (mShowParameter == SHOW_VALUE_UNDEFINED) {
boolean show = filterRepresentation.showParameterValue();
mShowParameter = show ? SHOW_VALUE_INT : SHOW_VALUE_OFF;
}
}
return mLocalRepresentation;
}
public void commitLocalRepresentation() {
ImagePreset preset = MasterImage.getImage().getPreset();
preset.updateFilterRepresentation(getLocalRepresentation());
if (mButton != null) {
updateText();
}
}
protected void updateText() {
String s = "";
if (mLocalRepresentation != null) {
s = mContext.getString(mLocalRepresentation.getTextId());
}
mButton.setText(calculateUserMessage(mContext, s, ""));
}
/**
* called after the filter is set and the select is called
*/
public void reflectCurrentFilter() {
mLocalRepresentation = null;
FilterRepresentation representation = getLocalRepresentation();
if (representation != null && mFilterTitle != null && representation.getTextId() != 0) {
String text = mContext.getString(representation.getTextId()).toUpperCase();
mFilterTitle.setText(text);
updateText();
}
}
public boolean useUtilityPanel() {
return true;
}
public void openUtilityPanel(LinearLayout mAccessoryViewList) {
setMenuIcon(false);
if (mImageShow != null) {
mImageShow.openUtilityPanel(mAccessoryViewList);
}
}
protected void setMenuIcon(boolean on) {
mEditTitle.setCompoundDrawablesRelativeWithIntrinsicBounds(
0, 0, on ? R.drawable.filtershow_menu_marker : 0, 0);
}
protected void createMenu(int[] strId, View button) {
PopupMenu pmenu = new PopupMenu(mContext, button);
Menu menu = pmenu.getMenu();
for (int i = 0; i < strId.length; i++) {
menu.add(Menu.NONE, Menu.FIRST + i, 0, mContext.getString(strId[i]));
}
setMenuIcon(true);
}
public Control[] getControls() {
return null;
}
@Override
public void onStartTrackingTouch(SeekBar arg0) {
}
@Override
public void onStopTrackingTouch(SeekBar arg0) {
}
@Override
public void swapLeft(MenuItem item) {
}
@Override
public void swapRight(MenuItem item) {
}
public void detach() {
if (mImageShow != null) {
mImageShow.unselect();
}
}
}