Add TaskPreference
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/*
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* Copyright 2016 Hippo Seven
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.hippo.ehviewer.preference;
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import android.app.Dialog;
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import android.content.Context;
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import android.os.AsyncTask;
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import android.os.Parcel;
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import android.os.Parcelable;
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import android.support.annotation.CallSuper;
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import android.support.annotation.NonNull;
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import android.support.annotation.Nullable;
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import android.support.v7.app.AlertDialog;
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import android.util.AttributeSet;
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import com.hippo.ehviewer.EhApplication;
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import com.hippo.ehviewer.R;
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import com.hippo.preference.DialogPreference;
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import com.hippo.yorozuya.IntIdGenerator;
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public abstract class TaskPreference extends DialogPreference {
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private Task mTask;
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private int mTaskId = IntIdGenerator.INVALID_ID;
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public TaskPreference(Context context) {
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super(context);
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}
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public TaskPreference(Context context, AttributeSet attrs) {
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super(context, attrs);
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}
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public TaskPreference(Context context, AttributeSet attrs, int defStyleAttr) {
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super(context, attrs, defStyleAttr);
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}
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@Override
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protected void onPrepareDialogBuilder(AlertDialog.Builder builder) {
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builder.setTitle(null);
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builder.setView(R.layout.preference_dialog_task);
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builder.setCancelable(false);
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}
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@Override
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protected void onDialogCreated(AlertDialog dialog) {
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if (null == mTask) {
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mTask = onCreateTask();
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mTask.setPreference(this);
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mTaskId = ((EhApplication) getContext().getApplicationContext()).putGlobalStuff(mTask);
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mTask.execute();
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}
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}
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protected void onTaskEnd() {
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// Dismiss dialog
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Dialog dialog = getDialog();
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if (null != dialog) {
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dialog.dismiss();
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}
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// Clear async
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mTask = null;
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mTaskId = IntIdGenerator.INVALID_ID;
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}
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@NonNull
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protected abstract Task onCreateTask();
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@Override
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public void onActivityDestroy() {
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super.onActivityDestroy();
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if (null != mTask) {
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mTask.setPreference(null);
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}
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}
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@Override
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protected Parcelable onSaveInstanceState() {
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final Parcelable superState = super.onSaveInstanceState();
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final SavedState myState = new SavedState(superState);
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myState.asyncTaskId = mTaskId;
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return myState;
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}
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@Override
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protected void onRestoreInstanceState(Parcelable state) {
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if (state == null || !state.getClass().equals(SavedState.class)) {
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// Didn't save state for us in onSaveInstanceState
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super.onRestoreInstanceState(state);
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return;
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}
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SavedState myState = (SavedState) state;
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mTaskId = myState.asyncTaskId;
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if (IntIdGenerator.INVALID_ID != mTaskId) {
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Object o = ((EhApplication) getContext().getApplicationContext()).getGlobalStuff(mTaskId);
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if (o instanceof Task) {
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mTask = (Task) o;
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mTask.setPreference(this);
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}
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}
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if (null == mTask) {
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mTaskId = IntIdGenerator.INVALID_ID;
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}
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// TODO if not task, show not reopen dialog
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super.onRestoreInstanceState(myState.getSuperState());
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}
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private static class SavedState extends BaseSavedState {
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int asyncTaskId;
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public SavedState(Parcel source) {
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super(source);
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asyncTaskId = source.readInt();
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}
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@Override
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public void writeToParcel(Parcel dest, int flags) {
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super.writeToParcel(dest, flags);
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dest.writeInt(asyncTaskId);
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}
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public SavedState(Parcelable superState) {
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super(superState);
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}
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public static final Parcelable.Creator<SavedState> CREATOR =
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new Parcelable.Creator<SavedState>() {
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@Override
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public SavedState createFromParcel(Parcel in) {
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return new SavedState(in);
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}
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@Override
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public SavedState[] newArray(int size) {
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return new SavedState[size];
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}
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};
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}
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public abstract static class Task extends AsyncTask<Void, Void, Object> {
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private final EhApplication mApplication;
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@Nullable
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private TaskPreference mPreference;
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public Task(@NonNull Context context) {
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mApplication = (EhApplication) context.getApplicationContext();
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}
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@Nullable
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public TaskPreference getPreference() {
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return mPreference;
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}
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public void setPreference(@Nullable TaskPreference preference) {
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mPreference = preference;
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}
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@CallSuper
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@Override
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protected void onPostExecute(Object o) {
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mApplication.removeGlobalStuff(this);
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if (null != mPreference) {
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mPreference.onTaskEnd();
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}
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}
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}
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}
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@@ -0,0 +1,40 @@
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<?xml version="1.0" encoding="utf-8"?>
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<!--
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~ Copyright 2016 Hippo Seven
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~
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~ Licensed under the Apache License, Version 2.0 (the "License");
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~ you may not use this file except in compliance with the License.
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~ You may obtain a copy of the License at
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~
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~ http://www.apache.org/licenses/LICENSE-2.0
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~
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~ Unless required by applicable law or agreed to in writing, software
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~ distributed under the License is distributed on an "AS IS" BASIS,
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~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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~ See the License for the specific language governing permissions and
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~ limitations under the License.
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-->
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<LinearLayout
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xmlns:android="http://schemas.android.com/apk/res/android"
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android:orientation="horizontal"
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android:layout_width="match_parent"
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android:layout_height="match_parent"
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android:paddingLeft="?attr/dialogPreferredPadding"
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android:paddingTop="@dimen/abc_dialog_padding_top_material"
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android:paddingBottom="@dimen/abc_dialog_padding_top_material"
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android:paddingRight="?attr/dialogPreferredPadding">
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<com.hippo.widget.ProgressView
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:layout_gravity="center_vertical"
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style="@style/ProgressView"/>
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<TextView
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android:layout_width="match_parent"
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android:layout_height="wrap_content"
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android:layout_gravity="center_vertical"
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android:text="@string/please_wait"/>
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</LinearLayout>
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@@ -489,6 +489,8 @@
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<string name="language_na">N/A</string>
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<string name="language_other">其他</string>
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<string name="please_wait">请稍候</string>
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<string name="enable">启用</string>
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<string name="enabled">已启用</string>
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<string name="disabled">未启用</string>
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@@ -489,6 +489,8 @@
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<string name="language_na">N/A</string>
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<string name="language_other">其他</string>
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<string name="please_wait">請稍候</string>
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<string name="enable">啟用</string>
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<string name="enabled">已啟用</string>
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<string name="disabled">未啟用</string>
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@@ -489,6 +489,8 @@
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<string name="language_na">N/A</string>
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<string name="language_other">其他</string>
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<string name="please_wait">請稍候</string>
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<string name="enable">啟用</string>
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<string name="enabled">已啟用</string>
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<string name="disabled">未啟用</string>
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@@ -545,6 +545,8 @@
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<string name="language_na">N/A</string>
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<string name="language_other">Other</string>
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<string name="please_wait">Pleas wait</string>
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<!-- License -->
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<string name="license">License</string>
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