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/*
* Copyright (C) 2011 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.contacts.detail;
import android.app.Activity;
import android.content.ActivityNotFoundException;
import android.content.ContentValues;
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.database.Cursor;
import android.net.Uri;
import android.provider.ContactsContract.CommonDataKinds.Photo;
import android.provider.ContactsContract.DisplayPhoto;
import android.provider.ContactsContract.RawContacts;
import android.provider.MediaStore;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.ListPopupWindow;
import android.widget.PopupWindow.OnDismissListener;
import android.widget.Toast;
import com.android.contacts.R;
import com.android.contacts.editor.PhotoActionPopup;
import com.android.contacts.common.model.AccountTypeManager;
import com.android.contacts.common.model.RawContactModifier;
import com.android.contacts.common.model.RawContactDelta;
import com.android.contacts.common.model.ValuesDelta;
import com.android.contacts.common.model.account.AccountType;
import com.android.contacts.common.model.RawContactDeltaList;
import com.android.contacts.util.ContactPhotoUtils;
import com.android.contacts.util.UiClosables;
import java.io.FileNotFoundException;
import java.util.List;
/**
* Handles displaying a photo selection popup for a given photo view and dealing with the results
* that come back.
*/
public abstract class PhotoSelectionHandler implements OnClickListener {
private static final String TAG = PhotoSelectionHandler.class.getSimpleName();
private static final int REQUEST_CODE_CAMERA_WITH_DATA = 1001;
private static final int REQUEST_CODE_PHOTO_PICKED_WITH_DATA = 1002;
private static final int REQUEST_CROP_PHOTO = 1003;
// Height and width (in pixels) to request for the photo - queried from the provider.
private static int mPhotoDim;
// Default photo dimension to use if unable to query the provider.
private static final int mDefaultPhotoDim = 720;
protected final Context mContext;
private final View mChangeAnchorView;
private final int mPhotoMode;
private final int mPhotoPickSize;
private final Uri mCroppedPhotoUri;
private final Uri mTempPhotoUri;
private final RawContactDeltaList mState;
private final boolean mIsDirectoryContact;
private ListPopupWindow mPopup;
public PhotoSelectionHandler(Context context, View changeAnchorView, int photoMode,
boolean isDirectoryContact, RawContactDeltaList state) {
mContext = context;
mChangeAnchorView = changeAnchorView;
mPhotoMode = photoMode;
mTempPhotoUri = ContactPhotoUtils.generateTempImageUri(context);
mCroppedPhotoUri = ContactPhotoUtils.generateTempCroppedImageUri(mContext);
mIsDirectoryContact = isDirectoryContact;
mState = state;
mPhotoPickSize = getPhotoPickSize();
}
public void destroy() {
UiClosables.closeQuietly(mPopup);
}
public abstract PhotoActionListener getListener();
@Override
public void onClick(View v) {
final PhotoActionListener listener = getListener();
if (listener != null) {
if (getWritableEntityIndex() != -1) {
mPopup = PhotoActionPopup.createPopupMenu(
mContext, mChangeAnchorView, listener, mPhotoMode);
mPopup.setOnDismissListener(new OnDismissListener() {
@Override
public void onDismiss() {
listener.onPhotoSelectionDismissed();
}
});
mPopup.show();
}
}
}
/**
* Attempts to handle the given activity result. Returns whether this handler was able to
* process the result successfully.
* @param requestCode The request code.
* @param resultCode The result code.
* @param data The intent that was returned.
* @return Whether the handler was able to process the result.
*/
public boolean handlePhotoActivityResult(int requestCode, int resultCode, Intent data) {
final PhotoActionListener listener = getListener();
if (resultCode == Activity.RESULT_OK) {
switch (requestCode) {
// Cropped photo was returned
case REQUEST_CROP_PHOTO: {
final Uri uri;
if (data != null && data.getData() != null) {
uri = data.getData();
} else {
uri = mCroppedPhotoUri;
}
try {
// delete the original temporary photo if it exists
mContext.getContentResolver().delete(mTempPhotoUri, null, null);
listener.onPhotoSelected(uri);
return true;
} catch (FileNotFoundException e) {
return false;
}
}
// Photo was successfully taken or selected from gallery, now crop it.
case REQUEST_CODE_PHOTO_PICKED_WITH_DATA:
case REQUEST_CODE_CAMERA_WITH_DATA:
final Uri uri;
boolean isWritable = false;
if (data != null && data.getData() != null) {
uri = data.getData();
} else {
uri = listener.getCurrentPhotoUri();
isWritable = true;
}
final Uri toCrop;
if (isWritable) {
// Since this uri belongs to our file provider, we know that it is writable
// by us. This means that we don't have to save it into another temporary
// location just to be able to crop it.
toCrop = uri;
} else {
toCrop = mTempPhotoUri;
try {
if (!ContactPhotoUtils.savePhotoFromUriToUri(mContext, uri,
toCrop, false)) {
return false;
}
} catch (SecurityException e) {
Log.d(TAG, "Did not have read-access to uri : " + uri);
return false;
}
}
doCropPhoto(toCrop, mCroppedPhotoUri);
return true;
}
}
return false;
}
/**
* Return the index of the first entity in the contact data that belongs to a contact-writable
* account, or -1 if no such entity exists.
*/
private int getWritableEntityIndex() {
// Directory entries are non-writable.
if (mIsDirectoryContact) return -1;
return mState.indexOfFirstWritableRawContact(mContext);
}
/**
* Return the raw-contact id of the first entity in the contact data that belongs to a
* contact-writable account, or -1 if no such entity exists.
*/
protected long getWritableEntityId() {
int index = getWritableEntityIndex();
if (index == -1) return -1;
return mState.get(index).getValues().getId();
}
/**
* Utility method to retrieve the entity delta for attaching the given bitmap to the contact.
* This will attach the photo to the first contact-writable account that provided data to the
* contact. It is the caller's responsibility to apply the delta.
* @return An entity delta list that can be applied to associate the bitmap with the contact,
* or null if the photo could not be parsed or none of the accounts associated with the
* contact are writable.
*/
public RawContactDeltaList getDeltaForAttachingPhotoToContact() {
// Find the first writable entity.
int writableEntityIndex = getWritableEntityIndex();
if (writableEntityIndex != -1) {
// We are guaranteed to have contact data if we have a writable entity index.
final RawContactDelta delta = mState.get(writableEntityIndex);
// Need to find the right account so that EntityModifier knows which fields to add
final ContentValues entityValues = delta.getValues().getCompleteValues();
final String type = entityValues.getAsString(RawContacts.ACCOUNT_TYPE);
final String dataSet = entityValues.getAsString(RawContacts.DATA_SET);
final AccountType accountType = AccountTypeManager.getInstance(mContext).getAccountType(
type, dataSet);
final ValuesDelta child = RawContactModifier.ensureKindExists(
delta, accountType, Photo.CONTENT_ITEM_TYPE);
child.setFromTemplate(false);
child.setSuperPrimary(true);
return mState;
}
return null;
}
/** Used by subclasses to delegate to their enclosing Activity or Fragment. */
protected abstract void startPhotoActivity(Intent intent, int requestCode, Uri photoUri);
/**
* Sends a newly acquired photo to Gallery for cropping
*/
private void doCropPhoto(Uri inputUri, Uri outputUri) {
final Intent intent = getCropImageIntent(inputUri, outputUri);
if (!hasIntentHandler(intent)) {
try {
getListener().onPhotoSelected(inputUri);
} catch (FileNotFoundException e) {
Log.e(TAG, "Cannot save uncropped photo", e);
Toast.makeText(mContext, R.string.contactPhotoSavedErrorToast,
Toast.LENGTH_LONG).show();
}
return;
}
try {
// Launch gallery to crop the photo
startPhotoActivity(intent, REQUEST_CROP_PHOTO, inputUri);
} catch (Exception e) {
Log.e(TAG, "Cannot crop image", e);
Toast.makeText(mContext, R.string.photoPickerNotFoundText, Toast.LENGTH_LONG).show();
}
}
/**
* Should initiate an activity to take a photo using the camera.
* @param photoFile The file path that will be used to store the photo. This is generally
* what should be returned by
* {@link PhotoSelectionHandler.PhotoActionListener#getCurrentPhotoFile()}.
*/
private void startTakePhotoActivity(Uri photoUri) {
final Intent intent = getTakePhotoIntent(photoUri);
startPhotoActivity(intent, REQUEST_CODE_CAMERA_WITH_DATA, photoUri);
}
/**
* Should initiate an activity pick a photo from the gallery.
* @param photoFile The temporary file that the cropped image is written to before being
* stored by the content-provider.
* {@link PhotoSelectionHandler#handlePhotoActivityResult(int, int, Intent)}.
*/
private void startPickFromGalleryActivity(Uri photoUri) {
final Intent intent = getPhotoPickIntent(photoUri);
startPhotoActivity(intent, REQUEST_CODE_PHOTO_PICKED_WITH_DATA, photoUri);
}
private int getPhotoPickSize() {
if (mPhotoDim != 0) {
return mPhotoDim;
}
// Note that this URI is safe to call on the UI thread.
Cursor c = mContext.getContentResolver().query(DisplayPhoto.CONTENT_MAX_DIMENSIONS_URI,
new String[]{DisplayPhoto.DISPLAY_MAX_DIM}, null, null, null);
if (c != null) {
try {
if (c.moveToFirst()) {
mPhotoDim = c.getInt(0);
}
} finally {
c.close();
}
}
return mPhotoDim != 0 ? mPhotoDim : mDefaultPhotoDim;
}
/**
* Constructs an intent for capturing a photo and storing it in a temporary output uri.
*/
private Intent getTakePhotoIntent(Uri outputUri) {
final Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE, null);
ContactPhotoUtils.addPhotoPickerExtras(intent, outputUri);
return intent;
}
/**
* Constructs an intent for picking a photo from Gallery, and returning the bitmap.
*/
private Intent getPhotoPickIntent(Uri outputUri) {
final Intent intent = new Intent(Intent.ACTION_PICK, null);
intent.setType("image/*");
ContactPhotoUtils.addPhotoPickerExtras(intent, outputUri);
return intent;
}
private boolean hasIntentHandler(Intent intent) {
final List<ResolveInfo> resolveInfo = mContext.getPackageManager()
.queryIntentActivities(intent, PackageManager.MATCH_DEFAULT_ONLY);
return resolveInfo != null && resolveInfo.size() > 0;
}
/**
* Constructs an intent for image cropping.
*/
private Intent getCropImageIntent(Uri inputUri, Uri outputUri) {
Intent intent = new Intent("com.android.camera.action.CROP");
intent.setDataAndType(inputUri, "image/*");
ContactPhotoUtils.addPhotoPickerExtras(intent, outputUri);
ContactPhotoUtils.addCropExtras(intent, mPhotoPickSize);
return intent;
}
public abstract class PhotoActionListener implements PhotoActionPopup.Listener {
@Override
public void onRemovePictureChosen() {
// No default implementation.
}
@Override
public void onTakePhotoChosen() {
try {
// Launch camera to take photo for selected contact
startTakePhotoActivity(mTempPhotoUri);
} catch (ActivityNotFoundException e) {
Toast.makeText(
mContext, R.string.photoPickerNotFoundText, Toast.LENGTH_LONG).show();
}
}
@Override
public void onPickFromGalleryChosen() {
try {
// Launch picker to choose photo for selected contact
startPickFromGalleryActivity(mTempPhotoUri);
} catch (ActivityNotFoundException e) {
Toast.makeText(
mContext, R.string.photoPickerNotFoundText, Toast.LENGTH_LONG).show();
}
}
/**
* Called when the user has completed selection of a photo.
* @throws FileNotFoundException
*/
public abstract void onPhotoSelected(Uri uri) throws FileNotFoundException;
/**
* Gets the current photo file that is being interacted with. It is the activity or
* fragment's responsibility to maintain this in saved state, since this handler instance
* will not survive rotation.
*/
public abstract Uri getCurrentPhotoUri();
/**
* Called when the photo selection dialog is dismissed.
*/
public abstract void onPhotoSelectionDismissed();
}
}