X-Git-Url: http://git.linex4red.de/pub/Android/ownCloud.git/blobdiff_plain/ab946b9af69f3f299d72026db69f5f650096d8e8..6ace8ab1c18b23a4c016986256075cfda8e50104:/src/com/owncloud/android/ui/preview/FileDownloadFragment.java
diff --git a/src/com/owncloud/android/ui/preview/FileDownloadFragment.java b/src/com/owncloud/android/ui/preview/FileDownloadFragment.java
new file mode 100644
index 00000000..306df1f7
--- /dev/null
+++ b/src/com/owncloud/android/ui/preview/FileDownloadFragment.java
@@ -0,0 +1,383 @@
+/* ownCloud Android client application
+ *
+ * Copyright (C) 2012-2013 ownCloud Inc.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2,
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see .
+ *
+ */
+package com.owncloud.android.ui.preview;
+
+import java.lang.ref.WeakReference;
+
+import com.owncloud.android.Log_OC;
+import com.owncloud.android.R;
+import com.owncloud.android.datamodel.OCFile;
+import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
+import com.owncloud.android.ui.fragment.FileFragment;
+
+import android.accounts.Account;
+import android.app.Activity;
+import android.os.Bundle;
+import android.support.v4.app.FragmentStatePagerAdapter;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.View.OnClickListener;
+import android.view.ViewGroup;
+import android.widget.ImageButton;
+import android.widget.ProgressBar;
+import android.widget.TextView;
+
+
+
+import eu.alefzero.webdav.OnDatatransferProgressListener;
+
+/**
+ * This Fragment is used to monitor the progress of a file downloading.
+ *
+ * @author David A. Velasco
+ */
+public class FileDownloadFragment extends FileFragment implements OnClickListener {
+
+ public static final String EXTRA_FILE = "FILE";
+ public static final String EXTRA_ACCOUNT = "ACCOUNT";
+ private static final String EXTRA_ERROR = "ERROR";
+
+ private FileFragment.ContainerActivity mContainerActivity;
+
+ private View mView;
+ private Account mAccount;
+
+ public ProgressListener mProgressListener;
+ private boolean mListening;
+
+ private static final String TAG = FileDownloadFragment.class.getSimpleName();
+
+ private boolean mIgnoreFirstSavedState;
+ private boolean mError;
+
+
+ /**
+ * Creates an empty details fragment.
+ *
+ * It's necessary to keep a public constructor without parameters; the system uses it when tries to reinstantiate a fragment automatically.
+ */
+ public FileDownloadFragment() {
+ super();
+ mAccount = null;
+ mProgressListener = null;
+ mListening = false;
+ mIgnoreFirstSavedState = false;
+ mError = false;
+ }
+
+
+ /**
+ * Creates a details fragment.
+ *
+ * When 'fileToDetail' or 'ocAccount' are null, creates a dummy layout (to use when a file wasn't tapped before).
+ *
+ * @param fileToDetail An {@link OCFile} to show in the fragment
+ * @param ocAccount An ownCloud account; needed to start downloads
+ * @param ignoreFirstSavedState Flag to work around an unexpected behaviour of {@link FragmentStatePagerAdapter}; TODO better solution
+ */
+ public FileDownloadFragment(OCFile fileToDetail, Account ocAccount, boolean ignoreFirstSavedState) {
+ super(fileToDetail);
+ mAccount = ocAccount;
+ mProgressListener = null;
+ mListening = false;
+ mIgnoreFirstSavedState = ignoreFirstSavedState;
+ mError = false;
+ }
+
+
+ @Override
+ public void onCreate(Bundle savedInstanceState) {
+ super.onCreate(savedInstanceState);
+ }
+
+
+ @Override
+ public View onCreateView(LayoutInflater inflater, ViewGroup container,
+ Bundle savedInstanceState) {
+ super.onCreateView(inflater, container, savedInstanceState);
+
+ if (savedInstanceState != null) {
+ if (!mIgnoreFirstSavedState) {
+ setFile((OCFile)savedInstanceState.getParcelable(FileDownloadFragment.EXTRA_FILE));
+ mAccount = savedInstanceState.getParcelable(FileDownloadFragment.EXTRA_ACCOUNT);
+ mError = savedInstanceState.getBoolean(FileDownloadFragment.EXTRA_ERROR);
+ } else {
+ mIgnoreFirstSavedState = false;
+ }
+ }
+
+ View view = null;
+ view = inflater.inflate(R.layout.file_download_fragment, container, false);
+ mView = view;
+
+ ProgressBar progressBar = (ProgressBar)mView.findViewById(R.id.progressBar);
+ mProgressListener = new ProgressListener(progressBar);
+
+ ((ImageButton)mView.findViewById(R.id.cancelBtn)).setOnClickListener(this);
+
+ if (mError) {
+ setButtonsForRemote();
+ } else {
+ setButtonsForTransferring();
+ }
+
+ return view;
+ }
+
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public void onAttach(Activity activity) {
+ super.onAttach(activity);
+ try {
+ mContainerActivity = (ContainerActivity) activity;
+
+ } catch (ClassCastException e) {
+ throw new ClassCastException(activity.toString() + " must implement " + FileFragment.ContainerActivity.class.getSimpleName());
+ }
+ }
+
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public void onActivityCreated(Bundle savedInstanceState) {
+ super.onActivityCreated(savedInstanceState);
+ if (mAccount != null) {
+ //mStorageManager = new FileDataStorageManager(mAccount, getActivity().getApplicationContext().getContentResolver());;
+ }
+ }
+
+
+ @Override
+ public void onSaveInstanceState(Bundle outState) {
+ super.onSaveInstanceState(outState);
+ outState.putParcelable(FileDownloadFragment.EXTRA_FILE, getFile());
+ outState.putParcelable(FileDownloadFragment.EXTRA_ACCOUNT, mAccount);
+ outState.putBoolean(FileDownloadFragment.EXTRA_ERROR, mError);
+ }
+
+ @Override
+ public void onStart() {
+ super.onStart();
+ listenForTransferProgress();
+ }
+
+ @Override
+ public void onResume() {
+ super.onResume();
+ }
+
+
+ @Override
+ public void onPause() {
+ super.onPause();
+ }
+
+
+ @Override
+ public void onStop() {
+ super.onStop();
+ leaveTransferProgress();
+ }
+
+ @Override
+ public void onDestroy() {
+ super.onDestroy();
+ }
+
+
+ @Override
+ public View getView() {
+ if (!mListening) {
+ listenForTransferProgress();
+ }
+ return super.getView() == null ? mView : super.getView();
+ }
+
+
+ @Override
+ public void onClick(View v) {
+ switch (v.getId()) {
+ case R.id.cancelBtn: {
+ FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
+ if (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, getFile())) {
+ downloaderBinder.cancel(mAccount, getFile());
+ getActivity().finish(); // :)
+ /*
+ leaveTransferProgress();
+ if (mFile.isDown()) {
+ setButtonsForDown();
+ } else {
+ setButtonsForRemote();
+ }
+ */
+ }
+ break;
+ }
+ default:
+ Log_OC.e(TAG, "Incorrect view clicked!");
+ }
+ }
+
+
+ /**
+ * Updates the view depending upon the state of the downloading file.
+ *
+ * @param transferring When true, the view must be updated assuming that the holded file is
+ * downloading, no matter what the downloaderBinder says.
+ */
+ public void updateView(boolean transferring) {
+ // configure UI for depending upon local state of the file
+ FileDownloaderBinder downloaderBinder = (mContainerActivity == null) ? null : mContainerActivity.getFileDownloaderBinder();
+ if (transferring || (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, getFile()))) {
+ setButtonsForTransferring();
+
+ } else if (getFile().isDown()) {
+
+ setButtonsForDown();
+
+ } else {
+ setButtonsForRemote();
+ }
+ getView().invalidate();
+
+ }
+
+
+ /**
+ * Enables or disables buttons for a file being downloaded
+ */
+ private void setButtonsForTransferring() {
+ getView().findViewById(R.id.cancelBtn).setVisibility(View.VISIBLE);
+
+ // show the progress bar for the transfer
+ getView().findViewById(R.id.progressBar).setVisibility(View.VISIBLE);
+ TextView progressText = (TextView)getView().findViewById(R.id.progressText);
+ progressText.setText(R.string.downloader_download_in_progress_ticker);
+ progressText.setVisibility(View.VISIBLE);
+
+ // hides the error icon
+ getView().findViewById(R.id.errorText).setVisibility(View.GONE);
+ getView().findViewById(R.id.error_image).setVisibility(View.GONE);
+ }
+
+
+ /**
+ * Enables or disables buttons for a file locally available
+ */
+ private void setButtonsForDown() {
+ getView().findViewById(R.id.cancelBtn).setVisibility(View.GONE);
+
+ // hides the progress bar
+ getView().findViewById(R.id.progressBar).setVisibility(View.GONE);
+
+ // updates the text message
+ TextView progressText = (TextView)getView().findViewById(R.id.progressText);
+ progressText.setText(R.string.common_loading);
+ progressText.setVisibility(View.VISIBLE);
+
+ // hides the error icon
+ getView().findViewById(R.id.errorText).setVisibility(View.GONE);
+ getView().findViewById(R.id.error_image).setVisibility(View.GONE);
+ }
+
+
+ /**
+ * Enables or disables buttons for a file not locally available
+ *
+ * Currently, this is only used when a download was failed
+ */
+ private void setButtonsForRemote() {
+ getView().findViewById(R.id.cancelBtn).setVisibility(View.GONE);
+
+ // hides the progress bar and message
+ getView().findViewById(R.id.progressBar).setVisibility(View.GONE);
+ getView().findViewById(R.id.progressText).setVisibility(View.GONE);
+
+ // shows the error icon and message
+ getView().findViewById(R.id.errorText).setVisibility(View.VISIBLE);
+ getView().findViewById(R.id.error_image).setVisibility(View.VISIBLE);
+ }
+
+
+ public void listenForTransferProgress() {
+ if (mProgressListener != null && !mListening) {
+ if (mContainerActivity.getFileDownloaderBinder() != null) {
+ mContainerActivity.getFileDownloaderBinder().addDatatransferProgressListener(mProgressListener, mAccount, getFile());
+ mListening = true;
+ setButtonsForTransferring();
+ }
+ }
+ }
+
+
+ public void leaveTransferProgress() {
+ if (mProgressListener != null) {
+ if (mContainerActivity.getFileDownloaderBinder() != null) {
+ mContainerActivity.getFileDownloaderBinder().removeDatatransferProgressListener(mProgressListener, mAccount, getFile());
+ mListening = false;
+ }
+ }
+ }
+
+
+ /**
+ * Helper class responsible for updating the progress bar shown for file uploading or downloading
+ *
+ * @author David A. Velasco
+ */
+ private class ProgressListener implements OnDatatransferProgressListener {
+ int mLastPercent = 0;
+ WeakReference mProgressBar = null;
+
+ ProgressListener(ProgressBar progressBar) {
+ mProgressBar = new WeakReference(progressBar);
+ }
+
+ @Override
+ public void onTransferProgress(long progressRate) {
+ // old method, nothing here
+ };
+
+ @Override
+ public void onTransferProgress(long progressRate, long totalTransferredSoFar, long totalToTransfer, String filename) {
+ int percent = (int)(100.0*((double)totalTransferredSoFar)/((double)totalToTransfer));
+ if (percent != mLastPercent) {
+ ProgressBar pb = mProgressBar.get();
+ if (pb != null) {
+ pb.setProgress(percent);
+ pb.postInvalidate();
+ }
+ }
+ mLastPercent = percent;
+ }
+
+ }
+
+
+ public void setError(boolean error) {
+ mError = error;
+ };
+
+
+
+}