RLDialog.java

/**
 * Copyright (c) 2013-2014, Rinc Liu (http://rincliu.com).
 *
 * 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.rincliu.library.widget.dialog;

import com.rincliu.library.R;
import android.app.Dialog;
import android.content.Context;
import android.view.View;
import android.view.Window;
import android.view.WindowManager.LayoutParams;

public abstract class RLDialog extends Dialog {
    private Window window;

    private LayoutParams layoutParams;

    /**
     * @param context
     */
    public RLDialog(Context context) {
        super(context, R.style.DIALOG_THEME);
    }

    /**
     * @param context
     * @param theme
     */
    public RLDialog(Context context, int theme) {
        super(context, theme);
    }

    /**
	 * 
	 */
    public void createView() {
        super.setContentView(getView());
        window = getWindow();
        layoutParams = window.getAttributes();
        super.setCanceledOnTouchOutside(true);
        window.addFlags(LayoutParams.FLAG_DIM_BEHIND);
        layoutParams.alpha = 0.98765f;
        layoutParams.dimAmount = 0.4321f;
        window.setWindowAnimations(R.style.ANIMATIONS_SCALE_FADE);
    }

    /**
     * @param xPos
     * @param yPos
     */
    public void setWindowPosition(int xPos, int yPos) {
        if (layoutParams == null) {
            throw new RuntimeException("createView() should be called before this method!");
        }
        layoutParams.x = xPos;
        layoutParams.y = yPos;
    }

    /**
     * @param width
     * @param height
     */
    public void setWindowSize(int width, int height) {
        if (layoutParams == null) {
            throw new RuntimeException("createView() should be called before this method!");
        }
        layoutParams.width = width;
        layoutParams.height = height;
    }

    /**
     * @return
     */
    public int getWindowWidth() {
        if (layoutParams == null) {
            throw new RuntimeException("createView() should be called before this method!");
        }
        return layoutParams.width;
    }

    /**
     * @return
     */
    public int getWindowHeight() {
        if (layoutParams == null) {
            throw new RuntimeException("createView() should be called before this method!");
        }
        return layoutParams.height;
    }

    /**
     * @param gravity
     */
    public void setWindowGravity(int gravity) {
        if (window == null) {
            throw new RuntimeException("createView() should be called before this method!");
        }
        window.setGravity(gravity);
    }

    /**
     * @param bgAlpha
     */
    public void setWindowBgAlpha(float bgAlpha) {
        if (layoutParams == null) {
            throw new RuntimeException("createView() should be called before this method!");
        }
        layoutParams.dimAmount = bgAlpha;
    }

    /**
     * @param anims
     */
    public void setWindowAnimations(int anims) {
        if (window == null) {
            throw new RuntimeException("createView() should be called before this method!");
        }
        window.setWindowAnimations(anims);
    }

    /**
     * @param alpha
     */
    public void setWindowAlpha(float alpha) {
        if (layoutParams == null) {
            throw new RuntimeException("createView() should be called before this method!");
        }
        layoutParams.alpha = alpha;
    }

    /**
     * @return
     */
    protected abstract View getView();
}