blob: 76cb5ae6529b7ba1e44c76b9568b2d94ddde03cd [file] [log] [blame]
/*
* Copyright (C) 2008 Esmertec AG.
* Copyright (C) 2008 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.mms.layout;
import android.content.Context;
import android.content.res.Configuration;
import android.util.Log;
/**
* MMS presentation layout management.
*/
public class LayoutManager {
private static final String TAG = "LayoutManager";
private static final boolean DEBUG = false;
private static final boolean LOCAL_LOGV = false;
private final Context mContext;
private LayoutParameters mLayoutParams;
private static LayoutManager sInstance;
private LayoutManager(Context context) {
mContext = context;
initLayoutParameters(context.getResources().getConfiguration());
}
private void initLayoutParameters(Configuration configuration) {
mLayoutParams = getLayoutParameters(
configuration.orientation == Configuration.ORIENTATION_PORTRAIT
? LayoutParameters.HVGA_PORTRAIT
: LayoutParameters.HVGA_LANDSCAPE);
if (LOCAL_LOGV) {
Log.v(TAG, "LayoutParameters: " + mLayoutParams.getTypeDescription()
+ ": " + mLayoutParams.getWidth() + "x" + mLayoutParams.getHeight());
}
}
private LayoutParameters getLayoutParameters(int displayType) {
switch (displayType) {
case LayoutParameters.HVGA_LANDSCAPE:
return new HVGALayoutParameters(mContext, LayoutParameters.HVGA_LANDSCAPE);
case LayoutParameters.HVGA_PORTRAIT:
return new HVGALayoutParameters(mContext, LayoutParameters.HVGA_PORTRAIT);
}
throw new IllegalArgumentException(
"Unsupported display type: " + displayType);
}
public static void init(Context context) {
if (LOCAL_LOGV) {
Log.v(TAG, "DefaultLayoutManager.init()");
}
if (sInstance != null) {
Log.w(TAG, "Already initialized.");
}
sInstance = new LayoutManager(context);
}
public static LayoutManager getInstance() {
if (sInstance == null) {
throw new IllegalStateException("Uninitialized.");
}
return sInstance;
}
public void onConfigurationChanged(Configuration newConfig) {
if (LOCAL_LOGV) {
Log.v(TAG, "-> LayoutManager.onConfigurationChanged().");
}
initLayoutParameters(newConfig);
}
public int getLayoutType() {
return mLayoutParams.getType();
}
public int getLayoutWidth() {
return mLayoutParams.getWidth();
}
public int getLayoutHeight() {
return mLayoutParams.getHeight();
}
public LayoutParameters getLayoutParameters() {
return mLayoutParams;
}
}