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/*
* 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.browser;
import android.util.Log;
import java.util.HashMap;
import java.util.Iterator;
/**
* The permission mechanism works the following way:
*
* PermissionType allows to define a type of permission
* (e.g. localStorage/locationData), storing a name and a set of
* resource ids corresponding to the GUI resources.
*
* Permission defines an actual permission instance, with a type and a value.
*
* OriginPermissions holds an origin with a set of Permission objects
*/
class GearsPermissions {
private static final String TAG = "GearsPermissions";
/**
* Defines a type of permission
*
* Store the permission's name (used in the json result)
* Graphically, each permission is a label followed by two radio buttons.
* We store the resources ids here.
*/
public static class PermissionType {
public static final int PERMISSION_NOT_SET = 0;
public static final int PERMISSION_ALLOWED = 1;
public static final int PERMISSION_DENIED = 2;
String mName;
int mTitleRsc;
int mSubtitleOnRsc;
int mSubtitleOffRsc;
PermissionType(String name) {
mName = name;
}
public void setResources(int titleRsc,
int subtitleOnRsc, int subtitleOffRsc) {
mTitleRsc = titleRsc;
mSubtitleOnRsc = subtitleOnRsc;
mSubtitleOffRsc = subtitleOffRsc;
}
public String getName() {
return mName;
}
public int getTitleRsc() {
return mTitleRsc;
}
public int getSubtitleOnRsc() {
return mSubtitleOnRsc;
}
public int getSubtitleOffRsc() {
return mSubtitleOffRsc;
}
}
/**
* Simple class to store an instance of a permission
*
* i.e. a permission type and a value
* Value can be either PERMISSION_NOT_SET,
* PERMISSION_ALLOWED or PERMISSION_DENIED
* (defined in PermissionType).
*/
public static class Permission {
PermissionType mType;
int mValue;
Permission(PermissionType type, int value) {
mType = type;
mValue = value;
}
Permission(PermissionType type) {
mType = type;
mValue = 0;
}
public PermissionType getType() {
return mType;
}
public void setValue(int value) {
mValue = value;
}
public int getValue() {
return mValue;
}
}
/**
* Interface used by the GearsNativeDialog implementation
* to listen to changes in the permissions.
*/
public interface PermissionsChangesListener {
public boolean setPermission(PermissionType type, int perm);
}
/**
* Holds the model for an origin -- each origin has a set of
* permissions.
*/
public static class OriginPermissions {
HashMap<PermissionType, Permission> mPermissions;
String mOrigin;
public static PermissionsChangesListener mListener;
public static void setListener(PermissionsChangesListener listener) {
mListener = listener;
}
OriginPermissions(String anOrigin) {
mOrigin = anOrigin;
mPermissions = new HashMap<PermissionType, Permission>();
}
OriginPermissions(OriginPermissions perms) {
mOrigin = perms.getOrigin();
mPermissions = new HashMap<PermissionType, Permission>();
HashMap<PermissionType, Permission> permissions = perms.getPermissions();
Iterator<PermissionType> iterator = permissions.keySet().iterator();
while (iterator.hasNext()) {
Permission permission = permissions.get(iterator.next());
int value = permission.getValue();
setPermission(permission.getType(), value);
}
}
public String getOrigin() {
return mOrigin;
}
public HashMap<PermissionType, Permission> getPermissions() {
return mPermissions;
}
public int getPermission(PermissionType type) {
return mPermissions.get(type).getValue();
}
public void setPermission(PermissionType type, int perm) {
if (mPermissions.get(type) == null) {
Permission permission = new Permission(type, perm);
mPermissions.put(type, permission);
return;
}
if (mListener != null) {
mListener.setPermission(type, perm);
}
mPermissions.get(type).setValue(perm);
}
public void print() {
Log.v(TAG, "Permissions for " + mOrigin);
Iterator<PermissionType> iterator = mPermissions.keySet().iterator();
while (iterator.hasNext()) {
Permission permission = mPermissions.get(iterator.next());
String name = permission.getType().getName();
int value = permission.getValue();
Log.v(TAG, " " + name + ": " + value);
}
}
}
}
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