| /* |
| * Copyright (C) 2012 Google Inc. |
| * Licensed to 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.mail.browse; |
| |
| |
| import android.app.DialogFragment; |
| import android.app.Fragment; |
| import android.app.FragmentManager; |
| import android.app.FragmentTransaction; |
| import android.content.ActivityNotFoundException; |
| import android.content.ContentValues; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.net.Uri; |
| import android.os.Handler; |
| import android.os.Parcelable; |
| import android.view.View; |
| |
| import com.android.mail.providers.Attachment; |
| import com.android.mail.providers.Message; |
| import com.android.mail.providers.UIProvider; |
| import com.android.mail.providers.UIProvider.AttachmentColumns; |
| import com.android.mail.providers.UIProvider.AttachmentContentValueKeys; |
| import com.android.mail.providers.UIProvider.AttachmentDestination; |
| import com.android.mail.providers.UIProvider.AttachmentState; |
| import com.android.mail.utils.LogTag; |
| import com.android.mail.utils.LogUtils; |
| import com.android.mail.utils.Utils; |
| |
| import java.util.ArrayList; |
| |
| public class AttachmentActionHandler { |
| private static final String PROGRESS_FRAGMENT_TAG = "attachment-progress"; |
| |
| private String mAccount; |
| private Message mMessage; |
| private Attachment mAttachment; |
| |
| private final AttachmentCommandHandler mCommandHandler; |
| private final AttachmentViewInterface mView; |
| private final Context mContext; |
| private final Handler mHandler; |
| private FragmentManager mFragmentManager; |
| private boolean mViewOnFinish; |
| |
| private static final String LOG_TAG = LogTag.getLogTag(); |
| |
| private static OptionHandler sOptionHandler = new OptionHandler(); |
| |
| public AttachmentActionHandler(Context context, AttachmentViewInterface view) { |
| mCommandHandler = new AttachmentCommandHandler(context); |
| mView = view; |
| mContext = context; |
| mHandler = new Handler(); |
| mViewOnFinish = true; |
| } |
| |
| public void initialize(FragmentManager fragmentManager) { |
| mFragmentManager = fragmentManager; |
| } |
| |
| public void setAccount(String account) { |
| mAccount = account; |
| } |
| |
| public void setMessage(Message message) { |
| mMessage = message; |
| } |
| |
| public void setAttachment(Attachment attachment) { |
| mAttachment = attachment; |
| } |
| |
| public void setViewOnFinish(boolean viewOnFinish) { |
| mViewOnFinish = viewOnFinish; |
| } |
| |
| public void showAttachment(int destination) { |
| if (mView == null) { |
| return; |
| } |
| |
| // If the caller requested that this attachments be saved to the external storage, we should |
| // verify that the it was saved there. |
| if (mAttachment.isPresentLocally() && |
| (destination == AttachmentDestination.CACHE || |
| mAttachment.destination == destination)) { |
| mView.viewAttachment(); |
| } else { |
| showDownloadingDialog(); |
| startDownloadingAttachment(destination); |
| } |
| } |
| |
| /** |
| * Start downloading the full size attachment set with |
| * {@link #setAttachment(Attachment)} immediately. |
| */ |
| public void startDownloadingAttachment(int destination) { |
| startDownloadingAttachment(destination, UIProvider.AttachmentRendition.BEST, 0, false); |
| } |
| |
| public void startDownloadingAttachment( |
| int destination, int rendition, int additionalPriority, boolean delayDownload) { |
| startDownloadingAttachment( |
| mAttachment, destination, rendition, additionalPriority, delayDownload); |
| } |
| |
| private void startDownloadingAttachment( |
| Attachment attachment, int destination, int rendition, int additionalPriority, |
| boolean delayDownload) { |
| final ContentValues params = new ContentValues(5); |
| params.put(AttachmentColumns.STATE, AttachmentState.DOWNLOADING); |
| params.put(AttachmentColumns.DESTINATION, destination); |
| params.put(AttachmentContentValueKeys.RENDITION, rendition); |
| params.put(AttachmentContentValueKeys.ADDITIONAL_PRIORITY, additionalPriority); |
| params.put(AttachmentContentValueKeys.DELAY_DOWNLOAD, delayDownload); |
| |
| mCommandHandler.sendCommand(attachment.uri, params); |
| } |
| |
| public void cancelAttachment() { |
| final ContentValues params = new ContentValues(1); |
| params.put(AttachmentColumns.STATE, AttachmentState.NOT_SAVED); |
| |
| mCommandHandler.sendCommand(mAttachment.uri, params); |
| } |
| |
| public void startRedownloadingAttachment(Attachment attachment) { |
| final ContentValues params = new ContentValues(2); |
| params.put(AttachmentColumns.STATE, AttachmentState.REDOWNLOADING); |
| params.put(AttachmentColumns.DESTINATION, attachment.destination); |
| |
| mCommandHandler.sendCommand(attachment.uri, params); |
| } |
| |
| /** |
| * Displays a loading dialog to be used for downloading attachments. |
| * Must be called on the UI thread. |
| */ |
| public void showDownloadingDialog() { |
| final FragmentTransaction ft = mFragmentManager.beginTransaction(); |
| final Fragment prev = mFragmentManager.findFragmentByTag(PROGRESS_FRAGMENT_TAG); |
| if (prev != null) { |
| ft.remove(prev); |
| } |
| ft.addToBackStack(null); |
| |
| // Create and show the dialog. |
| final DialogFragment newFragment = AttachmentProgressDialogFragment.newInstance( |
| mAttachment); |
| newFragment.show(ft, PROGRESS_FRAGMENT_TAG); |
| } |
| |
| /** |
| * Update progress-related views. Will also trigger a view intent if a progress dialog was |
| * previously brought up (by tapping 'View') and the download has now finished. |
| */ |
| public void updateStatus(boolean loaderResult) { |
| if (mView == null) { |
| return; |
| } |
| |
| final boolean showProgress = mAttachment.shouldShowProgress(); |
| |
| final AttachmentProgressDialogFragment dialog = (AttachmentProgressDialogFragment) |
| mFragmentManager.findFragmentByTag(PROGRESS_FRAGMENT_TAG); |
| if (dialog != null && dialog.isShowingDialogForAttachment(mAttachment)) { |
| dialog.setProgress(mAttachment.downloadedSize); |
| |
| // We don't want the progress bar to switch back to indeterminate mode after |
| // have been in determinate progress mode. |
| final boolean indeterminate = !showProgress && dialog.isIndeterminate(); |
| dialog.setIndeterminate(indeterminate); |
| |
| if (loaderResult && mAttachment.isDownloadFinishedOrFailed()) { |
| mHandler.post(new Runnable() { |
| @Override |
| public void run() { |
| dialog.dismiss(); |
| } |
| }); |
| } |
| |
| if (mAttachment.state == AttachmentState.SAVED && mViewOnFinish) { |
| mView.viewAttachment(); |
| } |
| } else { |
| mView.updateProgress(showProgress); |
| } |
| |
| // Call on update status for the view so that it can do some specific things. |
| mView.onUpdateStatus(); |
| } |
| |
| public boolean isProgressDialogVisible() { |
| final Fragment dialog = mFragmentManager.findFragmentByTag(PROGRESS_FRAGMENT_TAG); |
| return dialog != null && dialog.isVisible(); |
| } |
| |
| public void shareAttachment() { |
| if (mAttachment.contentUri == null) { |
| return; |
| } |
| |
| Intent intent = new Intent(Intent.ACTION_SEND); |
| intent.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION |
| | Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET); |
| |
| final Uri uri = Utils.normalizeUri(mAttachment.contentUri); |
| intent.putExtra(Intent.EXTRA_STREAM, uri); |
| intent.setType(Utils.normalizeMimeType(mAttachment.getContentType())); |
| |
| try { |
| mContext.startActivity(intent); |
| } catch (ActivityNotFoundException e) { |
| // couldn't find activity for SEND intent |
| LogUtils.e(LOG_TAG, "Couldn't find Activity for intent", e); |
| } |
| } |
| |
| public void shareAttachments(ArrayList<Parcelable> uris) { |
| Intent intent = new Intent(Intent.ACTION_SEND_MULTIPLE); |
| intent.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION |
| | Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET); |
| |
| intent.setType("image/*"); |
| intent.putParcelableArrayListExtra( |
| Intent.EXTRA_STREAM, uris); |
| |
| try { |
| mContext.startActivity(intent); |
| } catch (ActivityNotFoundException e) { |
| // couldn't find activity for SEND_MULTIPLE intent |
| LogUtils.e(LOG_TAG, "Couldn't find Activity for intent", e); |
| } |
| } |
| |
| public static void setOptionHandler(OptionHandler handler) { |
| sOptionHandler = handler; |
| } |
| |
| public boolean shouldShowExtraOption1() { |
| return (sOptionHandler != null) && sOptionHandler.shouldShowExtraOption1(); |
| } |
| |
| public void handleOption1() { |
| if (sOptionHandler == null) { |
| return; |
| } |
| sOptionHandler.handleOption1(mContext, mAccount, mMessage, mAttachment, mFragmentManager); |
| } |
| |
| public static boolean shouldShowAboveBarAttachmentLayout(Context context) { |
| return (sOptionHandler != null) && |
| sOptionHandler.shouldShowAboveBarAttachmentLayout(context); |
| } |
| |
| public static void setupAboveBarAttachmentLayout(View view) { |
| if (sOptionHandler != null) { |
| sOptionHandler.setupAboveBarAttachmentLayout(view); |
| } |
| } |
| |
| public static void onOverflowOpened(Context context) { |
| if(sOptionHandler != null) { |
| sOptionHandler.onOverflowOpened(context); |
| } |
| } |
| |
| public static void registerDismissListener(Uri conversationUri, |
| AboveAttachmentLayoutDismissedListener listener) { |
| if (sOptionHandler != null) { |
| sOptionHandler.registerDismissListener(conversationUri, listener); |
| } |
| } |
| |
| public static void unregisterDismissListeners(Uri conversationUri) { |
| if(sOptionHandler != null) { |
| sOptionHandler.unregisterDismissListeners(conversationUri); |
| } |
| } |
| |
| |
| /** |
| * A default, no-op option class. Override this and set it globally with |
| * {@link AttachmentActionHandler#setOptionHandler(OptionHandler)}.<br> |
| * <br> |
| * Subclasses of this type will live pretty much forever, so really, really try to avoid |
| * keeping any state as member variables in them. |
| */ |
| public static class OptionHandler { |
| |
| public boolean shouldShowExtraOption1() { |
| return false; |
| } |
| |
| public void handleOption1(Context context, String account, Message message, |
| Attachment attachment, FragmentManager fm) { |
| // no-op |
| } |
| |
| public boolean shouldShowAboveBarAttachmentLayout(Context context) { |
| return false; |
| } |
| |
| public void setupAboveBarAttachmentLayout(View view) { /* no-op */ } |
| |
| public void onOverflowOpened(Context context) { /* no-op */ } |
| |
| public void registerDismissListener(Uri conversationUri, |
| AboveAttachmentLayoutDismissedListener listener) { |
| // no-op |
| } |
| |
| public void unregisterDismissListeners(Uri conversationUri) { |
| // no-op |
| } |
| } |
| |
| public interface AboveAttachmentLayoutDismissedListener { |
| void onOtherLayoutDismissed(); |
| } |
| |
| } |