/*
* Copyright (C) 2006 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 android.appwidget;
import android.annotation.NonNull;
import android.content.Context;
import android.content.pm.ActivityInfo;
import android.content.pm.PackageManager;
import android.content.res.Resources;
import android.graphics.drawable.Drawable;
import android.os.Parcel;
import android.os.Parcelable;
import android.content.ComponentName;
import android.os.UserHandle;
/**
* Describes the meta data for an installed AppWidget provider. The fields in this class
* correspond to the fields in the <code><appwidget-provider></code> xml tag.
*/
public class AppWidgetProviderInfo implements Parcelable {
/**
* Widget is not resizable.
*/
public static final int RESIZE_NONE = 0;
/**
* Widget is resizable in the horizontal axis only.
*/
public static final int RESIZE_HORIZONTAL = 1;
/**
* Widget is resizable in the vertical axis only.
*/
public static final int RESIZE_VERTICAL = 2;
/**
* Widget is resizable in both the horizontal and vertical axes.
*/
public static final int RESIZE_BOTH = RESIZE_HORIZONTAL | RESIZE_VERTICAL;
/**
* Indicates that the widget can be displayed on the home screen. This is the default value.
*/
public static final int WIDGET_CATEGORY_HOME_SCREEN = 1;
/**
* Indicates that the widget can be displayed on the keyguard.
*/
public static final int WIDGET_CATEGORY_KEYGUARD = 2;
/**
* Indicates that the widget can be displayed within a space reserved for the search box.
*/
public static final int WIDGET_CATEGORY_SEARCHBOX = 4;
/**
* Identity of this AppWidget component. This component should be a {@link
* android.content.BroadcastReceiver}, and it will be sent the AppWidget intents
* {@link android.appwidget as described in the AppWidget package documentation}.
*
* <p>This field corresponds to the <code>android:name</code> attribute in
* the <code><receiver></code> element in the AndroidManifest.xml file.
*/
public ComponentName provider;
/**
* The default height of the widget when added to a host, in dp. The widget will get
* at least this width, and will often be given more, depending on the host.
*
* <p>This field corresponds to the <code>android:minWidth</code> attribute in
* the AppWidget meta-data file.
*/
public int minWidth;
/**
* The default height of the widget when added to a host, in dp. The widget will get
* at least this height, and will often be given more, depending on the host.
*
* <p>This field corresponds to the <code>android:minHeight</code> attribute in
* the AppWidget meta-data file.
*/
public int minHeight;
/**
* Minimum width (in dp) which the widget can be resized to. This field has no effect if it
* is greater than minWidth or if horizontal resizing isn't enabled (see {@link #resizeMode}).
*
* <p>This field corresponds to the <code>android:minResizeWidth</code> attribute in
* the AppWidget meta-data file.
*/
public int minResizeWidth;
/**
* Minimum height (in dp) which the widget can be resized to. This field has no effect if it
* is greater than minHeight or if vertical resizing isn't enabled (see {@link #resizeMode}).
*
* <p>This field corresponds to the <code>android:minResizeHeight</code> attribute in
* the AppWidget meta-data file.
*/
public int minResizeHeight;
/**
* How often, in milliseconds, that this AppWidget wants to be updated.
* The AppWidget manager may place a limit on how often a AppWidget is updated.
*
* <p>This field corresponds to the <code>android:updatePeriodMillis</code> attribute in
* the AppWidget meta-data file.
*
* <p class="note"><b>Note:</b> Updates requested with <code>updatePeriodMillis</code>
* will not be delivered more than once every 30 minutes.</p>
*/
public int updatePeriodMillis;
/**
* The resource id of the initial layout for this AppWidget. This should be
* displayed until the RemoteViews for the AppWidget is available.
*
* <p>This field corresponds to the <code>android:initialLayout</code> attribute in
* the AppWidget meta-data file.
*/
public int initialLayout;
/**
* The resource id of the initial layout for this AppWidget when it is displayed on keyguard.
* This parameter only needs to be provided if the widget can be displayed on the keyguard,
* see {@link #widgetCategory}.
*
* <p>This field corresponds to the <code>android:initialKeyguardLayout</code> attribute in
* the AppWidget meta-data file.
*/
public int initialKeyguardLayout;
/**
* The activity to launch that will configure the AppWidget.
*
* <p>This class name of field corresponds to the <code>android:configure</code> attribute in
* the AppWidget meta-data file. The package name always corresponds to the package containing
* the AppWidget provider.
*/
public ComponentName configure;
/**
* The label to display to the user in the AppWidget picker.
*
* @deprecated Use {@link #loadLabel(android.content.pm.PackageManager)}.
*/
@Deprecated
public String label;
/**
* The icon to display for this AppWidget in the AppWidget picker. If not supplied in the
* xml, the application icon will be used.
*
* <p>This field corresponds to the <code>android:icon</code> attribute in
* the <code><receiver></code> element in the AndroidManifest.xml file.
*/
public int icon;
/**
* The view id of the AppWidget subview which should be auto-advanced by the widget's host.
*
* <p>This field corresponds to the <code>android:autoAdvanceViewId</code> attribute in
* the AppWidget meta-data file.
*/
public int autoAdvanceViewId;
/**
* A preview of what the AppWidget will look like after it's configured.
* If not supplied, the AppWidget's icon will be used.
*
* <p>This field corresponds to the <code>android:previewImage</code> attribute in
* the <code><receiver></code> element in the AndroidManifest.xml file.
*/
public int previewImage;
/**
* The rules by which a widget can be resized. See {@link #RESIZE_NONE},
* {@link #RESIZE_NONE}, {@link #RESIZE_HORIZONTAL},
* {@link #RESIZE_VERTICAL}, {@link #RESIZE_BOTH}.
*
* <p>This field corresponds to the <code>android:resizeMode</code> attribute in
* the AppWidget meta-data file.
*/
public int resizeMode;
/**
* Determines whether this widget can be displayed on the home screen, the keyguard, or both.
* A widget which is displayed on both needs to ensure that it follows the design guidelines
* for both widget classes. This can be achieved by querying the AppWidget options in its
* widget provider's update method.
*
* <p>This field corresponds to the <code>widgetCategory</code> attribute in
* the AppWidget meta-data file.
*/
public int widgetCategory;
/** @hide */
public ActivityInfo providerInfo;
public AppWidgetProviderInfo() {
}
/**
* Unflatten the AppWidgetProviderInfo from a parcel.
*/
@SuppressWarnings("deprecation")
public AppWidgetProviderInfo(Parcel in) {
if (0 != in.readInt()) {
this.provider = new ComponentName(in);
}
this.minWidth = in.readInt();
this.minHeight = in.readInt();
this.minResizeWidth = in.readInt();
this.minResizeHeight = in.readInt();
this.updatePeriodMillis = in.readInt();
this.initialLayout = in.readInt();
this.initialKeyguardLayout = in.readInt();
if (0 != in.readInt()) {
this.configure = new ComponentName(in);
}
this.label = in.readString();
this.icon = in.readInt();
this.previewImage = in.readInt();
this.autoAdvanceViewId = in.readInt();
this.resizeMode = in.readInt();
this.widgetCategory = in.readInt();
this.providerInfo = in.readParcelable(null);
}
/**
* Loads the localized label to display to the user in the AppWidget picker.
*
* @param packageManager Package manager instance for loading resources.
* @return The label for the current locale.
*/
public final String loadLabel(PackageManager packageManager) {
CharSequence label = providerInfo.loadLabel(packageManager);
if (label != null) {
return label.toString().trim();
}
return null;
}
/**
* Loads the icon to display for this AppWidget in the AppWidget picker. If not
* supplied in the xml, the application icon will be used. A client can optionally
* provide a desired density such as {@link android.util.DisplayMetrics#DENSITY_LOW}
* {@link android.util.DisplayMetrics#DENSITY_MEDIUM}, etc. If no density is
* provided, the density of the current display will be used.
* <p>
* The loaded icon corresponds to the <code>android:icon</code> attribute in
* the <code><receiver></code> element in the AndroidManifest.xml file.
* </p>
*
* @param context Context for accessing resources.
* @param density The optional desired density as per
* {@link android.util.DisplayMetrics#densityDpi}.
* @return The provider icon.
*/
public final Drawable loadIcon(@NonNull Context context, int density) {
return loadDrawable(context, density, providerInfo.getIconResource(), true);
}
/**
* Loads a preview of what the AppWidget will look like after it's configured.
* A client can optionally provide a desired density such as
* {@link android.util.DisplayMetrics#DENSITY_LOW}
* {@link android.util.DisplayMetrics#DENSITY_MEDIUM}, etc. If no density is
* provided, the density of the current display will be used.
* <p>
* The loaded image corresponds to the <code>android:previewImage</code> attribute
* in the <code><receiver></code> element in the AndroidManifest.xml file.
* </p>
*
* @param context Context for accessing resources.
* @param density The optional desired density as per
* {@link android.util.DisplayMetrics#densityDpi}.
* @return The widget preview image or null if preview image is not available.
*/
public final Drawable loadPreviewImage(@NonNull Context context, int density) {
return loadDrawable(context, density, previewImage, false);
}
/**
* Gets the user profile in which the provider resides.
*
* @return The hosting user profile.
*/
public final UserHandle getProfile() {
return new UserHandle(UserHandle.getUserId(providerInfo.applicationInfo.uid));
}
@Override
@SuppressWarnings("deprecation")
public void writeToParcel(android.os.Parcel out, int flags) {
if (this.provider != null) {
out.writeInt(1);
this.provider.writeToParcel(out, flags);
} else {
out.writeInt(0);
}
out.writeInt(this.minWidth);
out.writeInt(this.minHeight);
out.writeInt(this.minResizeWidth);
out.writeInt(this.minResizeHeight);
out.writeInt(this.updatePeriodMillis);
out.writeInt(this.initialLayout);
out.writeInt(this.initialKeyguardLayout);
if (this.configure != null) {
out.writeInt(1);
this.configure.writeToParcel(out, flags);
} else {
out.writeInt(0);
}
out.writeString(this.label);
out.writeInt(this.icon);
out.writeInt(this.previewImage);
out.writeInt(this.autoAdvanceViewId);
out.writeInt(this.resizeMode);
out.writeInt(this.widgetCategory);
out.writeParcelable(this.providerInfo, flags);
}
@Override
@SuppressWarnings("deprecation")
public AppWidgetProviderInfo clone() {
AppWidgetProviderInfo that = new AppWidgetProviderInfo();
that.provider = this.provider == null ? null : this.provider.clone();
that.minWidth = this.minWidth;
that.minHeight = this.minHeight;
that.minResizeWidth = this.minResizeHeight;
that.minResizeHeight = this.minResizeHeight;
that.updatePeriodMillis = this.updatePeriodMillis;
that.initialLayout = this.initialLayout;
that.initialKeyguardLayout = this.initialKeyguardLayout;
that.configure = this.configure == null ? null : this.configure.clone();
that.label = this.label == null ? null : this.label.substring(0);
that.icon = this.icon;
that.previewImage = this.previewImage;
that.autoAdvanceViewId = this.autoAdvanceViewId;
that.resizeMode = this.resizeMode;
that.widgetCategory = this.widgetCategory;
that.providerInfo = this.providerInfo;
return that;
}
public int describeContents() {
return 0;
}
private Drawable loadDrawable(Context context, int density, int resourceId,
boolean loadDefaultIcon) {
try {
Resources resources = context.getPackageManager().getResourcesForApplication(
providerInfo.applicationInfo);
if (resourceId > 0) {
if (density <= 0) {
density = context.getResources().getDisplayMetrics().densityDpi;
}
return resources.getDrawableForDensity(resourceId, density);
}
} catch (PackageManager.NameNotFoundException | Resources.NotFoundException e) {
/* ignore */
}
return loadDefaultIcon ? providerInfo.loadIcon(context.getPackageManager()) : null;
}
/**
* Parcelable.Creator that instantiates AppWidgetProviderInfo objects
*/
public static final Parcelable.Creator<AppWidgetProviderInfo> CREATOR
= new Parcelable.Creator<AppWidgetProviderInfo>()
{
public AppWidgetProviderInfo createFromParcel(Parcel parcel)
{
return new AppWidgetProviderInfo(parcel);
}
public AppWidgetProviderInfo[] newArray(int size)
{
return new AppWidgetProviderInfo[size];
}
};
public String toString() {
return "AppWidgetProviderInfo(" + getProfile() + '/' + provider + ')';
}
}
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