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/*
* Copyright (C) 2017 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.dialer.calllog.ui;
import android.database.Cursor;
import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.v4.app.Fragment;
import android.support.v4.app.LoaderManager.LoaderCallbacks;
import android.support.v4.content.Loader;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import com.android.dialer.calllog.CallLogComponent;
import com.android.dialer.calllog.CallLogFramework;
import com.android.dialer.calllog.CallLogFramework.CallLogUi;
import com.android.dialer.calllog.RefreshAnnotatedCallLogWorker;
import com.android.dialer.common.LogUtil;
import com.android.dialer.common.concurrent.DialerExecutorComponent;
import com.android.dialer.common.concurrent.ThreadUtil;
import com.android.dialer.common.concurrent.UiListener;
import com.google.common.util.concurrent.ListenableFuture;
/** The "new" call log fragment implementation, which is built on top of the annotated call log. */
public final class NewCallLogFragment extends Fragment
implements CallLogUi, LoaderCallbacks<Cursor> {
/*
* This is a reasonable time that it might take between related call log writes, that also
* shouldn't slow down single-writes too much. For example, when populating the database using
* the simulator, using this value results in ~6 refresh cycles (on a release build) to write 120
* call log entries.
*/
private static final long WAIT_MILLIS = 100L;
private RefreshAnnotatedCallLogWorker refreshAnnotatedCallLogWorker;
private UiListener<Void> refreshAnnotatedCallLogListener;
private RecyclerView recyclerView;
@Nullable private Runnable refreshAnnotatedCallLogRunnable;
public NewCallLogFragment() {
LogUtil.enterBlock("NewCallLogFragment.NewCallLogFragment");
}
@Override
public void onActivityCreated(@Nullable Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
LogUtil.enterBlock("NewCallLogFragment.onActivityCreated");
CallLogComponent component = CallLogComponent.get(getContext());
CallLogFramework callLogFramework = component.callLogFramework();
callLogFramework.attachUi(this);
// TODO(zachh): Use support fragment manager and add support for them in executors library.
refreshAnnotatedCallLogListener =
DialerExecutorComponent.get(getContext())
.createUiListener(
getActivity().getFragmentManager(), "NewCallLogFragment.refreshAnnotatedCallLog");
refreshAnnotatedCallLogWorker = component.getRefreshAnnotatedCallLogWorker();
}
@Override
public void onStart() {
super.onStart();
LogUtil.enterBlock("NewCallLogFragment.onStart");
}
@Override
public void onResume() {
super.onResume();
LogUtil.enterBlock("NewCallLogFragment.onResume");
CallLogFramework callLogFramework = CallLogComponent.get(getContext()).callLogFramework();
callLogFramework.attachUi(this);
// TODO(zachh): Consider doing this when fragment becomes visible.
refreshAnnotatedCallLog(true /* checkDirty */);
}
@Override
public void onPause() {
super.onPause();
LogUtil.enterBlock("NewCallLogFragment.onPause");
// This is pending work that we don't actually need to follow through with.
ThreadUtil.getUiThreadHandler().removeCallbacks(refreshAnnotatedCallLogRunnable);
CallLogFramework callLogFramework = CallLogComponent.get(getContext()).callLogFramework();
callLogFramework.detachUi();
}
@Override
public View onCreateView(
LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
LogUtil.enterBlock("NewCallLogFragment.onCreateView");
View view = inflater.inflate(R.layout.new_call_log_fragment, container, false);
recyclerView = view.findViewById(R.id.new_call_log_recycler_view);
getLoaderManager().restartLoader(0, null, this);
return view;
}
private void refreshAnnotatedCallLog(boolean checkDirty) {
LogUtil.enterBlock("NewCallLogFragment.refreshAnnotatedCallLog");
// If we already scheduled a refresh, cancel it and schedule a new one so that repeated requests
// in quick succession don't result in too much work. For example, if we get 10 requests in
// 10ms, and a complete refresh takes a constant 200ms, the refresh will take 300ms (100ms wait
// and 1 iteration @200ms) instead of 2 seconds (10 iterations @ 200ms) since the work requests
// are serialized in RefreshAnnotatedCallLogWorker.
//
// We might get many requests in quick succession, for example, when the simulator inserts
// hundreds of rows into the system call log, or when the data for a new call is incrementally
// written to different columns as it becomes available.
ThreadUtil.getUiThreadHandler().removeCallbacks(refreshAnnotatedCallLogRunnable);
refreshAnnotatedCallLogRunnable =
() -> {
ListenableFuture<Void> future =
checkDirty
? refreshAnnotatedCallLogWorker.refreshWithDirtyCheck()
: refreshAnnotatedCallLogWorker.refreshWithoutDirtyCheck();
refreshAnnotatedCallLogListener.listen(
getContext(),
future,
unused -> {},
throwable -> {
throw new RuntimeException(throwable);
});
};
ThreadUtil.getUiThreadHandler().postDelayed(refreshAnnotatedCallLogRunnable, WAIT_MILLIS);
}
@Override
public void invalidateUi() {
LogUtil.enterBlock("NewCallLogFragment.invalidateUi");
refreshAnnotatedCallLog(false /* checkDirty */);
}
@Override
public Loader<Cursor> onCreateLoader(int id, Bundle args) {
LogUtil.enterBlock("NewCallLogFragment.onCreateLoader");
return new CoalescedAnnotatedCallLogCursorLoader(getContext());
}
@Override
public void onLoadFinished(Loader<Cursor> loader, Cursor newCursor) {
LogUtil.enterBlock("NewCallLogFragment.onLoadFinished");
if (newCursor == null) {
// This might be possible when the annotated call log hasn't been created but we're trying
// to show the call log.
LogUtil.w("NewCallLogFragment.onLoadFinished", "null cursor");
return;
}
// TODO(zachh): Handle empty cursor by showing empty view.
if (recyclerView.getAdapter() == null) {
recyclerView.setLayoutManager(new LinearLayoutManager(getContext()));
recyclerView.setAdapter(
new NewCallLogAdapter(getContext(), newCursor, System::currentTimeMillis));
} else {
((NewCallLogAdapter) recyclerView.getAdapter()).updateCursor(newCursor);
}
}
@Override
public void onLoaderReset(Loader<Cursor> loader) {
LogUtil.enterBlock("NewCallLogFragment.onLoaderReset");
recyclerView.setAdapter(null);
}
}
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