/*
* 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.launcher3;
import android.app.Activity;
import android.content.ActivityNotFoundException;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.pm.ActivityInfo;
import android.content.pm.PackageManager;
import android.content.pm.PackageManager.NameNotFoundException;
import android.content.res.Resources;
import android.graphics.Bitmap;
import android.graphics.BlurMaskFilter;
import android.graphics.Canvas;
import android.graphics.ColorMatrix;
import android.graphics.ColorMatrixColorFilter;
import android.graphics.Matrix;
import android.graphics.Paint;
import android.graphics.PaintFlagsDrawFilter;
import android.graphics.Rect;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.Drawable;
import android.graphics.drawable.PaintDrawable;
import android.util.DisplayMetrics;
import android.util.Log;
import android.view.View;
import android.widget.Toast;
import com.mediatek.launcher3.ext.LauncherLog;
import java.util.ArrayList;
//add 20140902 for HOSIN_CUST_LAUNCHER_MESSI start
import android.graphics.PorterDuffXfermode;
import java.io.IOException;
import java.io.InputStream;
import java.util.Random;
import android.content.SharedPreferences;
import android.graphics.BitmapFactory;
import android.graphics.PorterDuff;
import android.graphics.TableMaskFilter;
import android.view.View.MeasureSpec;
import com.mediatek.common.featureoption.FeatureOption;
//add 20140902 for HOSIN_CUST_LAUNCHER_MESSI end
/**
* Various utilities shared amongst the Launcher's classes.
*/
public final class Utilities {
private static final String TAG = "Launcher.Utilities";
private static int sIconWidth = -1;
private static int sIconHeight = -1;
public static int sIconTextureWidth = -1;
public static int sIconTextureHeight = -1;
private static final Paint sBlurPaint = new Paint();
private static final Paint sGlowColorPressedPaint = new Paint();
private static final Paint sGlowColorFocusedPaint = new Paint();
private static final Paint sDisabledPaint = new Paint();
private static final Rect sOldBounds = new Rect();
private static final Canvas sCanvas = new Canvas();
static {
sCanvas.setDrawFilter(new PaintFlagsDrawFilter(Paint.DITHER_FLAG,
Paint.FILTER_BITMAP_FLAG));
}
static int sColors[] = { 0xffff0000, 0xff00ff00, 0xff0000ff };
static int sColorIndex = 0;
/**
* Returns a FastBitmapDrawable with the icon, accurately sized.
*/
static Drawable createIconDrawable(Bitmap icon) {
FastBitmapDrawable d = new FastBitmapDrawable(icon);
d.setFilterBitmap(true);
resizeIconDrawable(d);
return d;
}
/**
* Resizes an icon drawable to the correct icon size.
*/
static void resizeIconDrawable(Drawable icon) {
icon.setBounds(0, 0, sIconTextureWidth, sIconTextureHeight);
}
/**
* Returns a bitmap suitable for the all apps view. Used to convert pre-ICS
* icon bitmaps that are stored in the database (which were 74x74 pixels at hdpi size)
* to the proper size (48dp)
*/
static Bitmap createIconBitmap(Bitmap icon, Context context) {
int textureWidth = sIconTextureWidth;
int textureHeight = sIconTextureHeight;
int sourceWidth = icon.getWidth();
int sourceHeight = icon.getHeight();
if (sourceWidth > textureWidth && sourceHeight > textureHeight) {
// Icon is bigger than it should be; clip it (solves the GB->ICS migration case)
return Bitmap.createBitmap(icon,
(sourceWidth - textureWidth) / 2,
(sourceHeight - textureHeight) / 2,
textureWidth, textureHeight);
} else if (sourceWidth == textureWidth && sourceHeight == textureHeight) {
// Icon is the right size, no need to change it
return icon;
} else {
// Icon is too small, render to a larger bitmap
final Resources resources = context.getResources();
return createIconBitmap(new BitmapDrawable(resources, icon), context);
}
}
/**
* Returns a bitmap suitable for the all apps view.
*/
static Bitmap createIconBitmap(Drawable icon, Context context) {
synchronized (sCanvas) { // we share the statics :-(
if (sIconWidth == -1) {
initStatics(context);
}
int width = sIconWidth;
int height = sIconHeight;
if (icon instanceof PaintDrawable) {
PaintDrawable painter = (PaintDrawable) icon;
painter.setIntrinsicWidth(width);
painter.setIntrinsicHeight(height);
} else if (icon instanceof BitmapDrawable) {
// Ensure the bitmap has a density.
BitmapDrawable bitmapDrawable = (BitmapDrawable) icon;
Bitmap bitmap = bitmapDrawable.getBitmap();
if (bitmap.getDensity() == Bitmap.DENSITY_NONE) {
bitmapDrawable.setTargetDensity(context.getResources().getDisplayMetrics());
}
}
int sourceWidth = icon.getIntrinsicWidth();
int sourceHeight = icon.getIntrinsicHeight();
if (sourceWidth > 0 && sourceHeight > 0) {
// Scale the icon proportionally to the icon dimensions
final float ratio = (float) sourceWidth / sourceHeight;
if (sourceWidth > sourceHeight) {
height = (int) (width / ratio);
} else if (sourceHeight > sourceWidth) {
width = (int) (height * ratio);
}
}
// no intrinsic size --> use default size
int textureWidth = sIconTextureWidth;
int textureHeight = sIconTextureHeight;
final Bitmap bitmap = Bitmap.createBitmap(textureWidth, textureHeight,
Bitmap.Config.ARGB_8888);
final Canvas canvas = sCanvas;
canvas.setBitmap(bitmap);
final int left = (textureWidth-width) / 2;
final int top = (textureHeight-height) / 2;
@SuppressWarnings("all") // suppress dead code warning
final boolean debug = false;
if (debug) {
// draw a big box for the icon for debugging
canvas.drawColor(sColors[sColorIndex]);
if (++sColorIndex >= sColors.length) sColorIndex = 0;
Paint debugPaint = new Paint();
debugPaint.setColor(0xffcccc00);
canvas.drawRect(left, top, left+width, top+height, debugPaint);
}
// add for HOSIN_CUST_LAUNCHER_MESSI start
SharedPreferences sharePre = context.getSharedPreferences(LauncherApplication.SHARED_PREFRENCE, Context.MODE_PRIVATE);
String key = sharePre.getString(LauncherApplication.NAME_KEY,"default");
Paint paint = new Paint();
// add for HOSIN_CUST_LAUNCHER_MESSI end
sOldBounds.set(icon.getBounds());
icon.setBounds(left, top, left+width, top+height);
icon.draw(canvas);
if(FeatureOption.HOSIN_CUST_LAUNCHER_MESSI){
// Hosin_messi add start
if(!key.equals("default")){
paint.setXfermode(new PorterDuffXfermode(android.graphics.PorterDuff.Mode.DST_ATOP));
try {
Random rand = new Random();
int[] array = {1,2,3,4,5};
int idx = rand.nextInt(5);
String path = context.getString(R.string.theme)+"/"
+key+"/"+context.getString(R.string.icon)+"/"+"icon_bg_0"+array[idx]+".png";
Log.i("messi","path"+path);
InputStream is = context.getAssets().open(path);
Bitmap backBitmap = BitmapFactory.decodeStream(is);
int backWidth = backBitmap.getWidth();
int backHeight = backBitmap.getHeight();
if(backWidth != sIconWidth || backHeight != sIconHeight)
{
Matrix matrix = new Matrix();
matrix.postScale((float)sIconWidth/backWidth, (float)sIconHeight/backHeight);
canvas.drawBitmap(Bitmap.createBitmap(backBitmap, 0, 0, backWidth, backHeight, matrix, true),
0.0f, 0.0f, paint);
}else
{
canvas.drawBitmap(backBitmap, 0.0f, 0.0f, paint);
}
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
canvas.save(Canvas.ALL_SAVE_FLAG);
canvas.restore();
// Hosin_messi add end
}
icon.setBounds(sOldBounds);
canvas.setBitmap(null);
return bitmap;
}
}
/**
* Returns a Bitmap representing the thumbnail of the specified Bitmap.
*
* @param bitmap The bitmap to get a thumbnail of.
* @param context The application's context.
*
* @return A thumbnail for the specified bitmap or the bitmap itself if the
* thumbnail could not be created.
*/
static Bitmap resampleIconBitmap(Bitmap bitmap, Context context) {
synchronized (sCanvas) { // we share the statics :-(
if (sIconWidth == -1) {
initStatics(context);
}
if (bitmap.getWidth() == sIconWidth && bitmap.getHeight() == sIconHeight) {
return bitmap;
} else {
final Resources resources = context.getResources();
return createIconBitmap(new BitmapDrawable(resources, bitmap), context);
}
}
}
/**
* Given a coordinate relative to the descendant, find the coordinate in a parent view's
* coordinates.
*
* @param descendant The descendant to which the passed coordinate is relative.
* @param root The root view to make the coordinates relative to.
* @param coord The coordinate that we want mapped.
* @param includeRootScroll Whether or not to account for the scroll of the descendant:
* sometimes this is relevant as in a child's coordinates within the descendant.
* @return The factor by which this descendant is scaled relative to this DragLayer. Caution
* this scale factor is assumed to be equal in X and Y, and so if at any point this
* assumption fails, we will need to return a pair of scale factors.
*/
public static float getDescendantCoordRelativeToParent(View descendant, View root,
int[] coord, boolean includeRootScroll) {
ArrayList<View> ancestorChain = new ArrayList<View>();
float[] pt = {coord[0], coord[1]};
View v = descendant;
while(v != root && v != null) {
ancestorChain.add(v);
v = (View) v.getParent();
}
ancestorChain.add(root);
float scale = 1.0f;
int count = ancestorChain.size();
for (int i = 0; i < count; i++) {
View v0 = ancestorChain.get(i);
// For TextViews, scroll has a meaning which relates to the text position
// which is very strange... ignore the scroll.
if (v0 != descendant || includeRootScroll) {
pt[0] -= v0.getScrollX();
pt[1] -= v0.getScrollY();
}
v0.getMatrix().mapPoints(pt);
pt[0] += v0.getLeft();
pt[1] += v0.getTop();
scale *= v0.getScaleX();
}
coord[0] = (int) Math.round(pt[0]);
coord[1] = (int) Math.round(pt[1]);
return scale;
}
/**
* Inverse of {@link #getDescendantCoordRelativeToSelf(View, int[])}.
*/
public static float mapCoordInSelfToDescendent(View descendant, View root,
int[] coord) {
ArrayList<View> ancestorChain = new ArrayList<View>();
float[] pt = {coord[0], coord[1]};
View v = descendant;
while(v != root) {
ancestorChain.add(v);
v = (View) v.getParent();
}
ancestorChain.add(root);
float scale = 1.0f;
Matrix inverse = new Matrix();
int count = ancestorChain.size();
for (int i = count - 1; i >= 0; i--) {
View ancestor = ancestorChain.get(i);
View next = i > 0 ? ancestorChain.get(i-1) : null;
pt[0] += ancestor.getScrollX();
pt[1] += ancestor.getScrollY();
if (next != null) {
pt[0] -= next.getLeft();
pt[1] -= next.getTop();
next.getMatrix().invert(inverse);
inverse.mapPoints(pt);
scale *= next.getScaleX();
}
}
coord[0] = (int) Math.round(pt[0]);
coord[1] = (int) Math.round(pt[1]);
return scale;
}
/// M: Change to public for smart book feature.
public static void initStatics(Context context) {
final Resources resources = context.getResources();
final DisplayMetrics metrics = resources.getDisplayMetrics();
final float density = metrics.density;
sIconWidth = sIconHeight = (int) resources.getDimension(R.dimen.app_icon_size);
sIconTextureWidth = sIconTextureHeight = sIconWidth;
sBlurPaint.setMaskFilter(new BlurMaskFilter(5 * density, BlurMaskFilter.Blur.NORMAL));
sGlowColorPressedPaint.setColor(0xffffc300);
sGlowColorFocusedPaint.setColor(0xffff8e00);
ColorMatrix cm = new ColorMatrix();
cm.setSaturation(0.2f);
sDisabledPaint.setColorFilter(new ColorMatrixColorFilter(cm));
sDisabledPaint.setAlpha(0x88);
}
public static void setIconSize(int widthPx) {
sIconWidth = sIconHeight = widthPx;
sIconTextureWidth = sIconTextureHeight = widthPx;
}
public static void scaleRect(Rect r, float scale) {
if (scale != 1.0f) {
r.left = (int) (r.left * scale + 0.5f);
r.top = (int) (r.top * scale + 0.5f);
r.right = (int) (r.right * scale + 0.5f);
r.bottom = (int) (r.bottom * scale + 0.5f);
}
}
public static void scaleRectAboutCenter(Rect r, float scale) {
int cx = r.centerX();
int cy = r.centerY();
r.offset(-cx, -cy);
Utilities.scaleRect(r, scale);
r.offset(cx, cy);
}
public static void startActivityForResultSafely(
Activity activity, Intent intent, int requestCode) {
try {
activity.startActivityForResult(intent, requestCode);
} catch (ActivityNotFoundException e) {
Toast.makeText(activity, R.string.activity_not_found, Toast.LENGTH_SHORT).show();
} catch (SecurityException e) {
Toast.makeText(activity, R.string.activity_not_found, Toast.LENGTH_SHORT).show();
Log.e(TAG, "Launcher does not have the permission to launch " + intent +
". Make sure to create a MAIN intent-filter for the corresponding activity " +
"or use the exported attribute for this activity.", e);
}
}
/**
* M: Check whether the given component name is enabled.
*
* @param context
* @param cmpName
* @return true if the component is in default or enable state, and the application is also in default or enable state,
* false if in disable or disable user state.
*/
static boolean isComponentEnabled(final Context context, final ComponentName cmpName) {
final String pkgName = cmpName.getPackageName();
final PackageManager pm = context.getPackageManager();
// Check whether the package has been uninstalled or the component already removed.
ActivityInfo aInfo = null;
try {
aInfo = pm.getActivityInfo(cmpName, 0);
} catch (NameNotFoundException e) {
LauncherLog.w(TAG, "isComponentEnabled NameNotFoundException: pkgName = " + pkgName);
}
if (aInfo == null) {
LauncherLog.d(TAG, "isComponentEnabled return false because component " + cmpName + " has been uninstalled!");
return false;
}
final int pkgEnableState = pm.getApplicationEnabledSetting(pkgName);
if (LauncherLog.DEBUG) {
LauncherLog.d(TAG, "isComponentEnabled: cmpName = " + cmpName + ",pkgEnableState = " + pkgEnableState);
}
if (pkgEnableState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT
|| pkgEnableState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) {
final int cmpEnableState = pm.getComponentEnabledSetting(cmpName);
if (LauncherLog.DEBUG) {
LauncherLog.d(TAG, "isComponentEnabled: cmpEnableState = " + cmpEnableState);
}
if (cmpEnableState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT
|| cmpEnableState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) {
return true;
}
}
return false;
}
// add 20140902 for HOSIN_CUST_LAUNCHER_MESSI start
public static Bitmap convertViewToBitmap(View view, int bitmapWidth, int bitmapHeight){
Bitmap bitmap = Bitmap.createBitmap(bitmapWidth, bitmapHeight, Bitmap.Config.ARGB_8888);
view.draw(new Canvas(bitmap));
return bitmap;
}
public static Bitmap convertViewToBitmap(View view){
view.setDrawingCacheEnabled(true);
view.destroyDrawingCache();
view.buildDrawingCache();
Bitmap bitmap = null;
bitmap= view.getDrawingCache();
return bitmap;
}
public static Bitmap takeScreenShot(Context activity){
View view = ((Activity) activity).getWindow().getDecorView();
view.setDrawingCacheEnabled(true);
view.buildDrawingCache();
Bitmap bitmap = view.getDrawingCache();
Rect rect = new Rect();
((Activity) activity).getWindow().getDecorView().getWindowVisibleDisplayFrame(rect);
int statusBarHeight = rect.top;
System.out.println(statusBarHeight);
int width = ((Activity) activity).getWindowManager().getDefaultDisplay().getWidth();
int height = ((Activity) activity).getWindowManager().getDefaultDisplay().getHeight();
Bitmap bitmap2 = Bitmap.createBitmap(bitmap,0,statusBarHeight, width, height - statusBarHeight);
view.destroyDrawingCache();
return bitmap2;
}
public static int getScreenHeight(Context context){
DisplayMetrics dm = new DisplayMetrics();
((Activity) context).getWindowManager().getDefaultDisplay().getMetrics(dm);
int screenHeight = dm.heightPixels;
return screenHeight;
}
public static int getScreenWidth(Context context){
DisplayMetrics dm = new DisplayMetrics();
((Activity) context).getWindowManager().getDefaultDisplay().getMetrics(dm);
int screenWidth = dm.widthPixels;
return screenWidth;
}
// add 20140902 for HOSIN_CUST_LAUNCHER_MESSI end
}