Add share data to details view layout

# Conflicts:
#	owncloud-android-library
#	res/layout/file_details_fragment_new.xml
#	res/values/strings.xml
#	src/com/owncloud/android/ui/fragment/FileDetailFragment.java

src/com/owncloud/android/ui/fragment/FileDetailFragment.java

@@ -0,0 +1,596 @@
+/**
+ *   ownCloud Android client application
+ *
+ *   @author Bartek Przybylski
+ *   @author David A. Velasco
+ *   Copyright (C) 2011  Bartek Przybylski
+ *   Copyright (C) 2015 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 <http://www.gnu.org/licenses/>.
+ *
+ */
+package com.owncloud.android.ui.fragment;
+
+import android.accounts.Account;
+import android.graphics.Bitmap;
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.Menu;
+import android.view.MenuInflater;
+import android.view.MenuItem;
+import android.view.View;
+import android.view.View.OnClickListener;
+import android.view.ViewGroup;
+import android.widget.CheckBox;
+import android.widget.ImageView;
+import android.widget.ProgressBar;
+import android.widget.RelativeLayout;
+import android.widget.Switch;
+import android.widget.TextView;
+
+import com.owncloud.android.MainApp;
+import com.owncloud.android.R;
+import com.owncloud.android.datamodel.FileDataStorageManager;
+import com.owncloud.android.datamodel.OCFile;
+import com.owncloud.android.datamodel.ThumbnailsCacheManager;
+import com.owncloud.android.files.FileMenuFilter;
+import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
+import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
+import com.owncloud.android.lib.common.network.OnDatatransferProgressListener;
+import com.owncloud.android.lib.common.utils.Log_OC;
+import com.owncloud.android.ui.activity.FileActivity;
+import com.owncloud.android.ui.activity.FileDisplayActivity;
+import com.owncloud.android.ui.dialog.RemoveFileDialogFragment;
+import com.owncloud.android.ui.dialog.RenameFileDialogFragment;
+import com.owncloud.android.utils.DisplayUtils;
+import com.owncloud.android.utils.MimetypeIconUtil;
+
+import java.lang.ref.WeakReference;
+
+
+/**
+ * This Fragment is used to display the details about a file.
+ */
+public class FileDetailFragment extends FileFragment implements OnClickListener {
+
+    private int mLayout;
+    private View mView;
+    private Account mAccount;
+
+    public ProgressListener mProgressListener;
+
+    private static final String TAG = FileDetailFragment.class.getSimpleName();
+    public static final String FTAG_CONFIRMATION = "REMOVE_CONFIRMATION_FRAGMENT";
+    public static final String FTAG_RENAME_FILE = "RENAME_FILE_FRAGMENT";
+
+    private static final String ARG_FILE = "FILE";
+    private static final String ARG_ACCOUNT = "ACCOUNT";
+
+
+    /**
+     * Public factory method to create new FileDetailFragment instances.
+     *
+     * 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 account           An ownCloud account; needed to start downloads
+     * @return                  New fragment with arguments set
+     */
+    public static FileDetailFragment newInstance(OCFile fileToDetail, Account account) {
+        FileDetailFragment frag = new FileDetailFragment();
+        Bundle args = new Bundle();
+        args.putParcelable(ARG_FILE, fileToDetail);
+        args.putParcelable(ARG_ACCOUNT, account);
+        frag.setArguments(args);
+        return frag;
+    }
+
+    /**
+     * 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 FileDetailFragment() {
+        super();
+        mAccount = null;
+        mLayout = R.layout.file_details_empty;
+        mProgressListener = null;
+    }
+
+
+    @Override
+    public void onActivityCreated(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setHasOptionsMenu(true);
+    }
+
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+            Bundle savedInstanceState) {
+
+        setFile((OCFile) getArguments().getParcelable(ARG_FILE));
+        mAccount = getArguments().getParcelable(ARG_ACCOUNT);
+
+        if (savedInstanceState != null) {
+            setFile((OCFile) savedInstanceState.getParcelable(FileActivity.EXTRA_FILE));
+            mAccount = savedInstanceState.getParcelable(FileActivity.EXTRA_ACCOUNT);
+        }
+
+        if (getFile() != null && mAccount != null) {
+            mLayout = R.layout.file_details_fragment_new;
+        }
+
+        mView = inflater.inflate(mLayout, null);
+        
+        if (mLayout == R.layout.file_details_fragment_new) {
+            mView.findViewById(R.id.fdFavorite).setOnClickListener(this);
+            ProgressBar progressBar = (ProgressBar)mView.findViewById(R.id.fdProgressBar);
+            DisplayUtils.colorPreLollipopHorizontalProgressBar(progressBar);
+            mProgressListener = new ProgressListener(progressBar);
+            mView.findViewById(R.id.fdCancelBtn).setOnClickListener(this);
+        }
+
+        updateFileDetails(false, false);
+        return mView;
+    }
+
+    @Override
+    public void onSaveInstanceState(Bundle outState) {
+        super.onSaveInstanceState(outState);
+        outState.putParcelable(FileActivity.EXTRA_FILE, getFile());
+        outState.putParcelable(FileActivity.EXTRA_ACCOUNT, mAccount);
+    }
+
+    @Override
+    public void onStart() {
+        super.onStart();
+        listenForTransferProgress();
+    }
+
+    @Override
+    public void onStop() {
+        leaveTransferProgress();
+        super.onStop();
+    }
+
+
+    @Override
+    public View getView() {
+        return super.getView() == null ? mView : super.getView();
+    }
+
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
+        super.onCreateOptionsMenu(menu, inflater);
+        inflater.inflate(R.menu.file_actions_menu, menu);
+    }
+
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public void onPrepareOptionsMenu(Menu menu) {
+        super.onPrepareOptionsMenu(menu);
+
+        if (mContainerActivity.getStorageManager() != null) {
+            FileMenuFilter mf = new FileMenuFilter(
+                getFile(),
+                mContainerActivity.getStorageManager().getAccount(),
+                mContainerActivity,
+                getActivity()
+            );
+            mf.filter(menu);
+        }
+
+        // additional restriction for this fragment 
+        MenuItem item = menu.findItem(R.id.action_see_details);
+        if (item != null) {
+            item.setVisible(false);
+            item.setEnabled(false);
+        }
+
+        // additional restriction for this fragment
+        item = menu.findItem(R.id.action_move);
+        if (item != null) {
+            item.setVisible(false);
+            item.setEnabled(false);
+        }
+
+        // additional restriction for this fragment
+        item = menu.findItem(R.id.action_copy);
+        if (item != null) {
+            item.setVisible(false);
+            item.setEnabled(false);
+        }
+    }
+
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        switch (item.getItemId()) {
+            case R.id.action_share_file: {
+                mContainerActivity.getFileOperationsHelper().showShareFile(getFile());
+                return true;
+            }
+            case R.id.action_open_file_with: {
+                mContainerActivity.getFileOperationsHelper().openFile(getFile());
+                return true;
+            }
+            case R.id.action_remove_file: {
+                RemoveFileDialogFragment dialog = RemoveFileDialogFragment.newInstance(getFile());
+                dialog.show(getFragmentManager(), FTAG_CONFIRMATION);
+                return true;
+            }
+            case R.id.action_rename_file: {
+                RenameFileDialogFragment dialog = RenameFileDialogFragment.newInstance(getFile());
+                dialog.show(getFragmentManager(), FTAG_RENAME_FILE);
+                return true;
+            }
+            case R.id.action_cancel_sync: {
+                ((FileDisplayActivity)mContainerActivity).cancelTransference(getFile());
+                return true;
+            }
+            case R.id.action_download_file:
+            case R.id.action_sync_file: {
+                mContainerActivity.getFileOperationsHelper().syncFile(getFile());
+                return true;
+            }
+            case R.id.action_send_file: {
+                // Obtain the file
+                if (!getFile().isDown()) {  // Download the file                    
+                    Log_OC.d(TAG, getFile().getRemotePath() + " : File must be downloaded");
+                    ((FileDisplayActivity) mContainerActivity).startDownloadForSending(getFile());
+                }
+                else {
+                    mContainerActivity.getFileOperationsHelper().sendDownloadedFile(getFile());
+                }
+                return true;
+            }
+            case R.id.action_favorite_file:{
+                mContainerActivity.getFileOperationsHelper().toggleFavorite(getFile(), true);
+                return true;
+            }
+            case R.id.action_unfavorite_file:{
+                mContainerActivity.getFileOperationsHelper().toggleFavorite(getFile(), false);
+                return true;
+            }
+            default:
+                return false;
+        }
+    }
+
+    @Override
+    public void onClick(View v) {
+        switch (v.getId()) {
+            case R.id.fdFavorite: {
+                Switch favSwitch = (Switch) getView().findViewById(R.id.fdFavorite);
+                mContainerActivity.getFileOperationsHelper().toggleFavorite(getFile(), favSwitch.isChecked());
+                break;
+            }
+            case R.id.fdCancelBtn: {
+                ((FileDisplayActivity) mContainerActivity).cancelTransference(getFile());
+                break;
+            }
+            default:
+                Log_OC.e(TAG, "Incorrect view clicked!");
+        }
+    }
+
+    /**
+     * Check if the fragment was created with an empty layout. An empty fragment can't show file details, must be replaced.
+     *
+     * @return True when the fragment was created with the empty layout.
+     */
+    public boolean isEmpty() {
+        return (mLayout == R.layout.file_details_empty || getFile() == null || mAccount == null);
+    }
+
+
+    /**
+     * Use this method to signal this Activity that it shall update its view.
+     *
+     * @param file : An {@link OCFile}
+     */
+    public void updateFileDetails(OCFile file, Account ocAccount) {
+        setFile(file);
+        mAccount = ocAccount;
+        updateFileDetails(false, false);
+    }
+
+    /**
+     * Updates the view with all relevant details about that file.
+     * <p/>
+     * TODO Remove parameter when the transferring state of files is kept in database.
+     *
+     * @param transferring Flag signaling if the file should be considered as downloading or uploading,
+     *                     although {@link FileDownloaderBinder#isDownloading(Account, OCFile)}  and
+     *                     {@link FileUploaderBinder#isUploading(Account, OCFile)} return false.
+     * @param refresh      If 'true', try to refresh the whole file from the database
+     */
+    public void updateFileDetails(boolean transferring, boolean refresh) {
+        if (readyToShow()) {
+            FileDataStorageManager storageManager = mContainerActivity.getStorageManager();
+            if (refresh && storageManager != null) {
+                setFile(storageManager.getFileByPath(getFile().getRemotePath()));
+            }
+            OCFile file = getFile();
+
+            // set file details
+            setFilename(file.getFileName());
+            setFiletype(file);
+            setFilesize(file.getFileLength());
+
+            setTimeModified(file.getModificationTimestamp());
+            
+            Switch favSwitch = (Switch) getView().findViewById(R.id.fdFavorite);
+            favSwitch.setChecked(file.isFavorite());
+
+            // configure UI for depending upon local state of the file
+            FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
+            FileUploaderBinder uploaderBinder = mContainerActivity.getFileUploaderBinder();
+            if (transferring ||
+                    (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, file)) ||
+                    (uploaderBinder != null && uploaderBinder.isUploading(mAccount, file))
+                    ) {
+                setButtonsForTransferring();
+
+            } else if (file.isDown()) {
+                
+                setButtonsForDown();
+                
+            } else {
+                // TODO load default preview image; when the local file is removed, the preview
+                // remains there
+                setButtonsForRemote();
+            }
+        }
+        getView().invalidate();
+    }
+
+    /**
+     * Checks if the fragment is ready to show details of a OCFile
+     *
+     * @return 'True' when the fragment is ready to show details of a file
+     */
+    private boolean readyToShow() {
+        return (getFile() != null && mAccount != null && mLayout == R.layout.file_details_fragment_new);
+    }
+
+
+    /**
+     * Updates the filename in view
+     *
+     * @param filename to set
+     */
+    private void setFilename(String filename) {
+        TextView tv = (TextView) getView().findViewById(R.id.fdFilename);
+        if (tv != null) {
+            tv.setText(filename);
+        }
+    }
+
+    /**
+     * Updates the MIME type in view
+     * @param file : An {@link OCFile}
+     */
+    private void setFiletype(OCFile file) {
+        String mimetype = file.getMimetype();
+        TextView tv = (TextView) getView().findViewById(R.id.fdType);
+        if (tv != null) {
+			// mimetype      MIME type to set
+            String printableMimetype = DisplayUtils.convertMIMEtoPrettyPrint(mimetype);
+            tv.setText(printableMimetype);
+        }
+
+        ImageView iv = (ImageView) getView().findViewById(R.id.fdIcon);
+        ImageView headerImage = (ImageView) getView().findViewById(R.id.fdHeaderImage);
+
+        if (iv != null) {
+            iv.setTag(file.getFileId());
+            // Name of the file, to deduce the icon to use in case the MIME type is not precise enough
+            String filename = file.getFileName();
+            int resource = MimetypeIconUtil.getFileTypeIconId(mimetype, filename);
+            iv.setImageResource(resource);
+
+            Bitmap thumbnail;
+            RelativeLayout.LayoutParams layoutParams =
+                    new RelativeLayout.LayoutParams(RelativeLayout.LayoutParams.MATCH_PARENT,
+                            RelativeLayout.LayoutParams.MATCH_PARENT);
+
+            if (file.isImage()) {
+                String tagId = String.valueOf(file.getRemoteId());
+                thumbnail = ThumbnailsCacheManager.getBitmapFromDiskCache(tagId);
+
+                if (thumbnail != null && !file.needsUpdateThumbnail()) {
+                    headerImage.setImageBitmap(thumbnail);
+                    headerImage.setColorFilter(R.color.owncloud_blue_transparent);
+                    headerImage.setLayoutParams(layoutParams);
+                    headerImage.setScaleType(ImageView.ScaleType.FIT_XY);
+                } else {
+                    // generate new Thumbnail
+                    if (ThumbnailsCacheManager.cancelPotentialWork(file, iv)) {
+                        final ThumbnailsCacheManager.ThumbnailGenerationTask task =
+                                new ThumbnailsCacheManager.ThumbnailGenerationTask(
+                                        iv, mContainerActivity.getStorageManager(), mAccount
+                                );
+                        if (thumbnail == null) {
+                            thumbnail = ThumbnailsCacheManager.mDefaultImg;
+                        }
+                        final ThumbnailsCacheManager.AsyncDrawable asyncDrawable =
+                                new ThumbnailsCacheManager.AsyncDrawable(
+                                        MainApp.getAppContext().getResources(),
+                                        thumbnail,
+                                        task
+                                );
+                        Bitmap newThumbnail = asyncDrawable.getBitmap();
+                        headerImage.setColorFilter(R.color.owncloud_blue_transparent);
+                        headerImage.setImageBitmap(newThumbnail);
+                        headerImage.setLayoutParams(layoutParams);
+                        headerImage.setScaleType(ImageView.ScaleType.FIT_XY);
+
+                        task.execute(file);
+                    }
+                }
+            } else {
+                headerImage.setImageResource(resource);
+			}
+
+        }
+    }
+
+    /**
+     * Updates the file size in view
+     *
+     * @param filesize in bytes to set
+     */
+    private void setFilesize(long filesize) {
+        TextView tv = (TextView) getView().findViewById(R.id.fdSize);
+        if (tv != null) {
+            tv.setText(DisplayUtils.bytesToHumanReadable(filesize));
+        }
+    }
+
+    /**
+     * Updates the time that the file was last modified
+     *
+     * @param milliseconds Unix time to set
+     */
+    private void setTimeModified(long milliseconds) {
+        TextView tv = (TextView) getView().findViewById(R.id.fdModified);
+        if (tv != null) {
+            tv.setText(DisplayUtils.unixTimeToHumanReadable(milliseconds));
+        }
+    }
+
+    /**
+     * Enables or disables buttons for a file being downloaded
+     */
+    private void setButtonsForTransferring() {
+        if (!isEmpty()) {
+            // let's protect the user from himself ;)
+            getView().findViewById(R.id.fdFavorite).setEnabled(false);
+            
+            // show the progress bar for the transfer
+            getView().findViewById(R.id.fdProgressBlock).setVisibility(View.VISIBLE);
+            TextView progressText = (TextView) getView().findViewById(R.id.fdProgressText);
+            progressText.setVisibility(View.VISIBLE);
+            FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
+            FileUploaderBinder uploaderBinder = mContainerActivity.getFileUploaderBinder();
+            //if (getFile().isDownloading()) {
+            if (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, getFile())) {
+                progressText.setText(R.string.downloader_download_in_progress_ticker);
+            }
+            else {
+                if (uploaderBinder != null && uploaderBinder.isUploading(mAccount, getFile())) {
+                    progressText.setText(R.string.uploader_upload_in_progress_ticker);
+                }
+            }
+        }
+    }
+
+    /**
+     * Enables or disables buttons for a file locally available
+     */
+    private void setButtonsForDown() {
+        if (!isEmpty()) {
+            getView().findViewById(R.id.fdFavorite).setEnabled(true);
+            
+            // hides the progress bar
+            getView().findViewById(R.id.fdProgressBlock).setVisibility(View.GONE);
+            TextView progressText = (TextView) getView().findViewById(R.id.fdProgressText);
+            progressText.setVisibility(View.GONE);
+        }
+    }
+
+    /**
+     * Enables or disables buttons for a file not locally available
+     */
+    private void setButtonsForRemote() {
+        if (!isEmpty()) {
+            getView().findViewById(R.id.fdFavorite).setEnabled(true);
+            
+            // hides the progress bar
+            getView().findViewById(R.id.fdProgressBlock).setVisibility(View.GONE);
+            TextView progressText = (TextView) getView().findViewById(R.id.fdProgressText);
+            progressText.setVisibility(View.GONE);
+        }
+    }
+
+
+    public void listenForTransferProgress() {
+        if (mProgressListener != null) {
+            if (mContainerActivity.getFileDownloaderBinder() != null) {
+                mContainerActivity.getFileDownloaderBinder().
+                        addDatatransferProgressListener(mProgressListener, mAccount, getFile());
+            }
+            if (mContainerActivity.getFileUploaderBinder() != null) {
+                mContainerActivity.getFileUploaderBinder().
+                        addDatatransferProgressListener(mProgressListener, mAccount, getFile());
+            }
+        }
+    }
+
+
+    public void leaveTransferProgress() {
+        if (mProgressListener != null) {
+            if (mContainerActivity.getFileDownloaderBinder() != null) {
+                mContainerActivity.getFileDownloaderBinder().
+                        removeDatatransferProgressListener(mProgressListener, mAccount, getFile());
+            }
+            if (mContainerActivity.getFileUploaderBinder() != null) {
+                mContainerActivity.getFileUploaderBinder().
+                        removeDatatransferProgressListener(mProgressListener, mAccount, getFile());
+            }
+        }
+    }
+
+
+    /**
+     * Helper class responsible for updating the progress bar shown for file uploading or
+     * downloading
+     */
+    private class ProgressListener implements OnDatatransferProgressListener {
+        int mLastPercent = 0;
+        WeakReference<ProgressBar> mProgressBar = null;
+
+        ProgressListener(ProgressBar progressBar) {
+            mProgressBar = new WeakReference<ProgressBar>(progressBar);
+        }
+
+        @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;
+        }
+
+    }
+
+}