/**
* Copyright 2010-present Facebook.
*
* 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.facebook.widget;
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.graphics.Bitmap;
import android.os.Bundle;
import android.os.Parcel;
import android.os.Parcelable;
import android.support.v4.app.Fragment;
import com.facebook.*;
import com.facebook.internal.NativeProtocol;
import com.facebook.internal.Utility;
import com.facebook.internal.Validate;
import com.facebook.model.*;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import java.io.File;
import java.util.*;
/*
* Provides an interface for presenting dialogs provided by the Facebook application for Android. This class
* provides builders that present a strongly-typed interface to generate properly-formed Intents for launching
* the appropriate Activities provided by the Facebook application.
*/
public class FacebookDialog {
public static final String COMPLETION_GESTURE_CANCEL = "cancel";
private static final String EXTRA_DIALOG_COMPLETE_KEY = "com.facebook.platform.extra.DID_COMPLETE";
private static final String EXTRA_DIALOG_COMPLETION_GESTURE_KEY =
"com.facebook.platform.extra.COMPLETION_GESTURE";
private static final String EXTRA_DIALOG_COMPLETION_ID_KEY = "com.facebook.platform.extra.POST_ID";
private static final int MIN_NATIVE_SHARE_PROTOCOL_VERSION = NativeProtocol.PROTOCOL_VERSION_20130618;
private static NativeAppCallAttachmentStore attachmentStore;
/**
* Defines a callback interface that will be called when the user completes interacting with a Facebook
* dialog, or if an error occurs.
*/
public interface Callback {
/**
* Called when the user completes interacting with a Facebook dialog.
*
* @param pendingCall a PendingCall containing the call ID and original Intent used to launch the dialog
* @param data a Bundle containing the results of the dialog, whose contents will vary depending on the
* type of dialog being displayed.
*/
void onComplete(PendingCall pendingCall, Bundle data);
/**
* Called if an error occurred while presenting a Facebook dialog.
*
* @param pendingCall a PendingCall containing the call ID and original Intent used to launch the dialog
* @param error the error that occurred
* @param data the full set of extras associated with the activity result
*/
void onError(PendingCall pendingCall, Exception error, Bundle data);
}
private interface DialogFeature {
int getMinVersion();
}
/**
* Defines a set of features that may be supported by the native Share dialog exposed by the Facebook application.
* As additional features are added, these flags may be passed to
* {@link FacebookDialog#canPresentShareDialog(android.content.Context,
* com.facebook.widget.FacebookDialog.ShareDialogFeature...)}
* to determine whether the version of the Facebook application installed on the user's device is recent
* enough to support specific features, which in turn may be used to determine which UI, etc., to present to the
* user.
*/
public enum ShareDialogFeature implements DialogFeature {
/**
* Indicates whether the native Share dialog itself is supported by the installed version of the
* Facebook application.
*/
SHARE_DIALOG(NativeProtocol.PROTOCOL_VERSION_20130618);
private int minVersion;
private ShareDialogFeature(int minVersion) {
this.minVersion = minVersion;
}
/**
* This method is for internal use only.
*/
public int getMinVersion() {
return minVersion;
}
}
/**
* Defines a set of features that may be supported by the native Open Graph action dialog exposed by the Facebook
* application. As additional features are added, these flags may be passed to
* {@link FacebookDialog#canPresentOpenGraphActionDialog(android.content.Context,
* com.facebook.widget.FacebookDialog.OpenGraphActionDialogFeature...)}
* to determine whether the version of the Facebook application installed on the user's device is recent
* enough to support specific features, which in turn may be used to determine which UI, etc., to present to the
* user.
*/
public enum OpenGraphActionDialogFeature implements DialogFeature {
/**
* Indicates whether the native Open Graph action dialog itself is supported by the installed version of the
* Facebook application.
*/
OG_ACTION_DIALOG(NativeProtocol.PROTOCOL_VERSION_20130618);
private int minVersion;
private OpenGraphActionDialogFeature(int minVersion) {
this.minVersion = minVersion;
}
/**
* This method is for internal use only.
*/
public int getMinVersion() {
return minVersion;
}
}
interface OnPresentCallback {
void onPresent(Context context) throws Exception;
}
/**
* Determines whether the native dialog completed normally (without error or exception).
*
* @param result the bundle passed back to onActivityResult
* @return true if the native dialog completed normally
*/
public static boolean getNativeDialogDidComplete(Bundle result) {
return result.getBoolean(EXTRA_DIALOG_COMPLETE_KEY, false);
}
/**
* Returns the gesture with which the user completed the native dialog. This is only returned if the
* user has previously authorized the calling app with basic permissions.
*
* @param result the bundle passed back to onActivityResult
* @return "post" or "cancel" as the completion gesture
*/
public static String getNativeDialogCompletionGesture(Bundle result) {
return result.getString(EXTRA_DIALOG_COMPLETION_GESTURE_KEY);
}
/**
* Returns the id of the published post. This is only returned if the user has previously given the
* app publish permissions.
*
* @param result the bundle passed back to onActivityResult
* @return the id of the published post
*/
public static String getNativeDialogPostId(Bundle result) {
return result.getString(EXTRA_DIALOG_COMPLETION_ID_KEY);
}
private Activity activity;
private Fragment fragment;
private PendingCall appCall;
private OnPresentCallback onPresentCallback;
private FacebookDialog(Activity activity, Fragment fragment, PendingCall appCall, OnPresentCallback onPresentCallback) {
this.activity = activity;
this.fragment = fragment;
this.appCall = appCall;
this.onPresentCallback = onPresentCallback;
}
/**
* Launches an activity in the Facebook application to present the desired dialog. This method returns a
* PendingCall that contains a unique ID associated with this call to the Facebook application. In general,
* a calling Activity should use UiLifecycleHelper to handle incoming activity results, in order to ensure
* proper processing of the results from this dialog.
*
* @return a PendingCall containing the unique call ID corresponding to this call to the Facebook application
*/
public PendingCall present() {
if (onPresentCallback != null) {
try {
onPresentCallback.onPresent(activity);
} catch (Exception e) {
throw new FacebookException(e);
}
}
if (fragment != null) {
fragment.startActivityForResult(appCall.getRequestIntent(), appCall.getRequestCode());
} else {
activity.startActivityForResult(appCall.getRequestIntent(), appCall.getRequestCode());
}
return appCall;
}
/**
* Parses the results of a dialog activity and calls the appropriate method on the provided Callback.
*
* @param context the Context that is handling the activity result
* @param appCall an PendingCall containing the call ID and original Intent used to launch the dialog
* @param requestCode the request code for the activity result
* @param data the result Intent
* @param callback a callback to call after parsing the results
*
* @return true if the activity result was handled, false if not
*/
public static boolean handleActivityResult(Context context, PendingCall appCall, int requestCode, Intent data,
Callback callback) {
if (requestCode != appCall.getRequestCode()) {
return false;
}
if (attachmentStore != null) {
attachmentStore.cleanupAttachmentsForCall(context, appCall.getCallId());
}
if (callback != null) {
if (NativeProtocol.isErrorResult(data)) {
Exception error = NativeProtocol.getErrorFromResult(data);
callback.onError(appCall, error, data.getExtras());
} else {
callback.onComplete(appCall, data.getExtras());
}
}
return true;
}
/**
* Determines whether the version of the Facebook application installed on the user's device is recent
* enough to support specific features of the native Share dialog, which in turn may be used to determine
* which UI, etc., to present to the user.
*
* @param context the calling Context
* @param features zero or more features to check for; {@link ShareDialogFeature#SHARE_DIALOG} is implicitly checked
* if not explicitly specified
* @return true if all of the specified features are supported by the currently installed version of the
* Facebook application; false if any of the features are not supported
*/
public static boolean canPresentShareDialog(Context context, ShareDialogFeature... features) {
return handleCanPresent(context, EnumSet.of(ShareDialogFeature.SHARE_DIALOG, features));
}
/**
* Determines whether the version of the Facebook application installed on the user's device is recent
* enough to support specific features of the native Open Graph action dialog, which in turn may be used to
* determine which UI, etc., to present to the user.
*
* @param context the calling Context
* @param features zero or more features to check for; {@link OpenGraphActionDialogFeature#OG_ACTION_DIALOG} is implicitly
* checked if not explicitly specified
* @return true if all of the specified features are supported by the currently installed version of the
* Facebook application; false if any of the features are not supported
*/
public static boolean canPresentOpenGraphActionDialog(Context context, OpenGraphActionDialogFeature... features) {
return handleCanPresent(context, EnumSet.of(OpenGraphActionDialogFeature.OG_ACTION_DIALOG, features));
}
private static boolean handleCanPresent(Context context, Iterable<? extends DialogFeature> features) {
return getProtocolVersionForNativeDialog(context, getMinVersionForFeatures(features))
!= NativeProtocol.NO_PROTOCOL_AVAILABLE;
}
private static int getProtocolVersionForNativeDialog(Context context, Integer requiredVersion) {
return NativeProtocol.getLatestAvailableProtocolVersion(context, requiredVersion);
}
private static NativeAppCallAttachmentStore getAttachmentStore() {
if (attachmentStore == null) {
attachmentStore = new NativeAppCallAttachmentStore();
}
return attachmentStore;
}
private static int getMinVersionForFeatures(Iterable<? extends DialogFeature> features) {
int minVersion = Integer.MIN_VALUE;
for (DialogFeature feature : features) {
// Minimum version to support all features is the maximum of each feature's minimum version.
minVersion = Math.max(minVersion, feature.getMinVersion());
}
return minVersion;
}
private abstract static class Builder<CONCRETE extends Builder<?>> {
final protected Activity activity;
final protected String applicationId;
final protected PendingCall appCall;
protected Fragment fragment;
protected String applicationName;
Builder(Activity activity) {
Validate.notNull(activity, "activity");
this.activity = activity;
applicationId = Utility.getMetadataApplicationId(activity);
appCall = new PendingCall(NativeProtocol.DIALOG_REQUEST_CODE);
}
/**
* Sets the request code that will be passed to handleActivityResult when this activity completes; the
* default is NativeProtocol.DIALOG_REQUEST_CODE.
* @param requestCode the request code
* @return this instance of the builder
*/
public CONCRETE setRequestCode(int requestCode) {
this.appCall.setRequestCode(requestCode);
@SuppressWarnings("unchecked")
CONCRETE result = (CONCRETE) this;
return result;
}
/**
* Sets the name of the application to be displayed in the dialog. If provided, this optimizes the user
* experience as a preview of a shared item, etc., can be displayed sooner.
* @param applicationName the name of the Facebook application
* @return this instance of the builder
*/
public CONCRETE setApplicationName(String applicationName) {
this.applicationName = applicationName;
@SuppressWarnings("unchecked")
CONCRETE result = (CONCRETE) this;
return result;
}
/**
* Sets the fragment that should launch the dialog. This allows the dialog to be
* launched from a Fragment, and will allow the fragment to receive the
* {@link Fragment#onActivityResult(int, int, android.content.Intent) onActivityResult}
* call rather than the Activity.
*
* @param fragment the fragment that contains this control
*/
public CONCRETE setFragment(Fragment fragment) {
this.fragment = fragment;
@SuppressWarnings("unchecked")
CONCRETE result = (CONCRETE) this;
return result;
}
/**
* Constructs a FacebookDialog with an Intent that is correctly populated to present the dialog within
* the Facebook application.
* @return a FacebookDialog instance
*/
public FacebookDialog build() {
validate();
Bundle extras = new Bundle();
putExtra(extras, NativeProtocol.EXTRA_APPLICATION_ID, applicationId);
putExtra(extras, NativeProtocol.EXTRA_APPLICATION_NAME, applicationName);
Intent intent = handleBuild(extras);
if (intent == null) {
throw new FacebookException("Unable to create Intent; this likely means the Facebook app is not installed.");
}
appCall.setRequestIntent(intent);
return new FacebookDialog(activity, fragment, appCall, getOnPresentCallback());
}
/**
* Determines whether the native dialog can be presented (i.e., whether the required version of the
* Facebook application is installed on the device, and whether the installed version supports all of
* the parameters specified for the dialog).
*
* @return true if the dialog can be presented; false if not
*/
public boolean canPresent() {
return handleCanPresent();
}
boolean handleCanPresent() {
return getProtocolVersionForNativeDialog(activity, MIN_NATIVE_SHARE_PROTOCOL_VERSION)
!= NativeProtocol.NO_PROTOCOL_AVAILABLE;
}
void validate() {}
OnPresentCallback getOnPresentCallback() {
return null;
}
abstract Intent handleBuild(Bundle extras);
void putExtra(Bundle extras, String key, String value) {
if (value != null) {
extras.putString(key, value);
}
}
}
/**
* Provides a builder which can construct a FacebookDialog instance suitable for presenting the native
* Share dialog. This builder will throw an exception if the Facebook application is not installed, so it
* should only be used if {@link FacebookDialog.checkCanPresentShareDialog()} indicates the capability
* is available.
*/
public static class ShareDialogBuilder extends Builder<ShareDialogBuilder> {
private String name;
private String caption;
private String description;
private String link;
private String picture;
private String place;
private ArrayList<String> friends;
private String ref;
private boolean dataErrorsFatal;
/**
* Constructor.
* @param activity the Activity which is presenting the native Share dialog; must not be null
*/
public ShareDialogBuilder(Activity activity) {
super(activity);
}
/**
* Sets the title of the item to be shared.
* @param name the title
* @return this instance of the builder
*/
public ShareDialogBuilder setName(String name) {
this.name = name;
return this;
}
/**
* Sets the subtitle of the item to be shared.
* @param caption the subtitle
* @return this instance of the builder
*/
public ShareDialogBuilder setCaption(String caption) {
this.caption = caption;
return this;
}
/**
* Sets the description of the item to be shared.
* @param description the description
* @return this instance of the builder
*/
public ShareDialogBuilder setDescription(String description) {
this.description = description;
return this;
}
/**
* Sets the URL of the item to be shared.
* @param link the URL
* @return this instance of the builder
*/
public ShareDialogBuilder setLink(String link) {
this.link = link;
return this;
}
/**
* Sets the URL of the image of the item to be shared.
* @param picture the URL of the image
* @return this instance of the builder
*/
public ShareDialogBuilder setPicture(String picture) {
this.picture = picture;
return this;
}
/**
* Sets the place for the item to be shared.
* @param place the Facebook ID of the place
* @return this instance of the builder
*/
public ShareDialogBuilder setPlace(String place) {
this.place = place;
return this;
}
/**
* Sets the tagged friends for the item to be shared.
* @param friends a list of Facebook IDs of the friends to be tagged in the shared item
* @return this instance of the builder
*/
public ShareDialogBuilder setFriends(List<String> friends) {
this.friends = new ArrayList<String>(friends);
return this;
}
/**
* Sets the 'ref' property of the item to be shared.
* @param ref the 'ref' property
* @return this instance of the builder
*/
public ShareDialogBuilder setRef(String ref) {
this.ref = ref;
return this;
}
/**
* Sets whether errors encountered during previewing the shared item should be considered fatal and
* cause the dialog to return an error
* @param dataErrorsFatal true if data errors should be fatal; false if not
* @return this instance of the builder
*/
public ShareDialogBuilder setDataErrorsFatal(boolean dataErrorsFatal) {
this.dataErrorsFatal = dataErrorsFatal;
return this;
}
@Override
boolean handleCanPresent() {
return canPresentShareDialog(activity, ShareDialogFeature.SHARE_DIALOG);
}
@Override
Intent handleBuild(Bundle extras) {
putExtra(extras, NativeProtocol.EXTRA_APPLICATION_ID, applicationId);
putExtra(extras, NativeProtocol.EXTRA_APPLICATION_NAME, applicationName);
putExtra(extras, NativeProtocol.EXTRA_TITLE, name);
putExtra(extras, NativeProtocol.EXTRA_SUBTITLE, caption);
putExtra(extras, NativeProtocol.EXTRA_DESCRIPTION, description);
putExtra(extras, NativeProtocol.EXTRA_LINK, link);
putExtra(extras, NativeProtocol.EXTRA_IMAGE, picture);
putExtra(extras, NativeProtocol.EXTRA_PLACE_TAG, place);
putExtra(extras, NativeProtocol.EXTRA_TITLE, name);
putExtra(extras, NativeProtocol.EXTRA_REF, ref);
extras.putBoolean(NativeProtocol.EXTRA_DATA_FAILURES_FATAL, dataErrorsFatal);
if (!Utility.isNullOrEmpty(friends)) {
extras.putStringArrayList(NativeProtocol.EXTRA_FRIEND_TAGS, friends);
}
int protocolVersion = getProtocolVersionForNativeDialog(activity, MIN_NATIVE_SHARE_PROTOCOL_VERSION);
Intent intent = NativeProtocol.createPlatformActivityIntent(activity, NativeProtocol.ACTION_FEED_DIALOG,
protocolVersion, extras);
return intent;
}
}
/**
* Provides a builder which can construct a FacebookDialog instance suitable for presenting the native
* Open Graph action publish dialog. This builder allows the caller to specify binary images for both the
* action and any Open Graph objects to be created prior to publishing the action.
* This builder will throw an exception if the Facebook application is not installed, so it
* should only be used if {@link FacebookDialog.checkCanPresentOpenGraphDialog();} indicates the capability
* is available.
*/
public static class OpenGraphActionDialogBuilder extends Builder<OpenGraphActionDialogBuilder> {
private String previewPropertyName;
private OpenGraphAction action;
private String actionType;
private HashMap<String, Bitmap> imageAttachments;
private HashMap<String, File> imageAttachmentFiles;
private boolean dataErrorsFatal;
/**
* Constructor.
* @param activity the Activity which is presenting the native Open Graph action publish dialog;
* must not be null
* @param action the Open Graph action to be published, which must contain a reference to at least one
* Open Graph object with the property name specified by setPreviewPropertyName; the action
* must have had its type specified via the {@link OpenGraphAction#setType(String)} method
* @param actionType the type of the Open Graph action to be published, which should be the namespace-qualified
* name of the action type (e.g., "myappnamespace:myactiontype"); this will override the type
* of the action passed in.
* @param previewPropertyName the name of a property on the Open Graph action that contains the
* Open Graph object which will be displayed as a preview to the user
*/
@Deprecated
public OpenGraphActionDialogBuilder(Activity activity, OpenGraphAction action, String actionType,
String previewPropertyName) {
super(activity);
Validate.notNull(action, "action");
Validate.notNullOrEmpty(actionType, "actionType");
Validate.notNullOrEmpty(previewPropertyName, "previewPropertyName");
if (action.getProperty(previewPropertyName) == null) {
throw new IllegalArgumentException(
"A property named \"" + previewPropertyName + "\" was not found on the action. The name of " +
"the preview property must match the name of an action property.");
}
String typeOnAction = action.getType();
if (!Utility.isNullOrEmpty(typeOnAction) && !typeOnAction.equals(actionType)) {
throw new IllegalArgumentException("'actionType' must match the type of 'action' if it is specified. " +
"Consider using OpenGraphActionDialogBuilder(Activity activity, OpenGraphAction action, " +
"String previewPropertyName) instead.");
}
this.action = action;
this.actionType = actionType;
this.previewPropertyName = previewPropertyName;
}
/**
* Constructor.
* @param activity the Activity which is presenting the native Open Graph action publish dialog;
* must not be null
* @param action the Open Graph action to be published, which must contain a reference to at least one
* Open Graph object with the property name specified by setPreviewPropertyName; the action
* must have had its type specified via the {@link OpenGraphAction#setType(String)} method
* @param previewPropertyName the name of a property on the Open Graph action that contains the
* Open Graph object which will be displayed as a preview to the user
*/
public OpenGraphActionDialogBuilder(Activity activity, OpenGraphAction action, String previewPropertyName) {
super(activity);
Validate.notNull(action, "action");
Validate.notNullOrEmpty(action.getType(), "action.getType()");
Validate.notNullOrEmpty(previewPropertyName, "previewPropertyName");
if (action.getProperty(previewPropertyName) == null) {
throw new IllegalArgumentException(
"A property named \"" + previewPropertyName + "\" was not found on the action. The name of " +
"the preview property must match the name of an action property.");
}
this.action = action;
this.actionType = action.getType();
this.previewPropertyName = previewPropertyName;
}
/**
* Sets whether errors encountered during previewing the shared item should be considered fatal and
* cause the dialog to return an error
* @param dataErrorsFatal true if data errors should be fatal; false if not
* @return this instance of the builder
*/
public OpenGraphActionDialogBuilder setDataErrorsFatal(boolean dataErrorsFatal) {
this.dataErrorsFatal = dataErrorsFatal;
return this;
}
/**
* <p>Specifies a list of images for the Open Graph action that should be uploaded prior to publishing the
* action. The action must already have been set prior to calling this method. This method will generate unique
* names for the image attachments and update the action to refer to these attachments. Note that calling
* setAction again after calling this method will not clear the image attachments already set, but the new
* action will have no reference to the existing attachments. The images will not be marked as being
* user-generated.</p>
*
* <p>In order for the images to be provided to the Facebook application as part of the app call, the
* NativeAppCallContentProvider must be specified correctly in the application's AndroidManifest.xml.</p>
*
* @param bitmaps a list of Bitmaps to be uploaded and attached to the Open Graph action
* @return this instance of the builder
*/
public OpenGraphActionDialogBuilder setImageAttachmentsForAction(List<Bitmap> bitmaps) {
return setImageAttachmentsForAction(bitmaps, false);
}
/**
* <p>Specifies a list of images for the Open Graph action that should be uploaded prior to publishing the
* action. The action must already have been set prior to calling this method. This method will generate unique
* names for the image attachments and update the action to refer to these attachments. Note that calling
* setAction again after calling this method will not clear the image attachments already set, but the new
* action will have no reference to the existing attachments. The images may be marked as being
* user-generated -- refer to
* <a href="https://developers.facebook.com/docs/opengraph/howtos/adding-photos-to-stories/">this article</a>
* for more information.</p>
*
* <p>In order for the images to be provided to the Facebook application as part of the app call, the
* NativeAppCallContentProvider must be specified correctly in the application's AndroidManifest.xml.</p>
*
* @param bitmaps a list of Bitmaps to be uploaded and attached to the Open Graph action
* @param isUserGenerated if true, specifies that the user_generated flag should be set for these images
* @return this instance of the builder
*/
public OpenGraphActionDialogBuilder setImageAttachmentsForAction(List<Bitmap> bitmaps,
boolean isUserGenerated) {
Validate.containsNoNulls(bitmaps, "bitmaps");
if (action == null) {
throw new FacebookException("Can not set attachments prior to setting action.");
}
List<String> attachmentUrls = addImageAttachments(bitmaps);
updateActionAttachmentUrls(attachmentUrls, isUserGenerated);
return this;
}
/**
* <p>Specifies a list of images for the Open Graph action that should be uploaded prior to publishing the
* action. The action must already have been set prior to calling this method. The images will not be marked
* as being user-generated. This method will generate unique names for the image attachments and update the
* action to refer to these attachments. Note that calling setAction again after calling this method will
* not clear the image attachments already set, but the new action will have no reference to the existing
* attachments.</p>
*
* <p>In order for the images to be provided to the Facebook application as part of the app call, the
* NativeAppCallContentProvider must be specified correctly in the application's AndroidManifest.xml.</p>
*
* @param bitmapFiles a list of Files containing bitmaps to be uploaded and attached to the Open Graph action
* @return this instance of the builder
*/
public OpenGraphActionDialogBuilder setImageAttachmentFilesForAction(List<File> bitmapFiles) {
return setImageAttachmentFilesForAction(bitmapFiles, false);
}
/**
* <p>Specifies a list of images for the Open Graph action that should be uploaded prior to publishing the
* action. The action must already have been set prior to calling this method. The images may be marked as being
* user-generated -- refer to
* <a href="https://developers.facebook.com/docs/opengraph/howtos/adding-photos-to-stories/">this article</a>
* for more information. This method will generate unique
* names for the image attachments and update the action to refer to these attachments. Note that calling
* setAction again after calling this method will not clear the image attachments already set, but the new
* action will have no reference to the existing attachments.</p>
*
* <p>In order for the images to be provided to the Facebook application as part of the app call, the
* NativeAppCallContentProvider must be specified correctly in the application's AndroidManifest.xml.</p>
*
* @param bitmapFiles a list of Files containing bitmaps to be uploaded and attached to the Open Graph action
* @param isUserGenerated if true, specifies that the user_generated flag should be set for these images
* @return this instance of the builder
*/
public OpenGraphActionDialogBuilder setImageAttachmentFilesForAction(List<File> bitmapFiles,
boolean isUserGenerated) {
Validate.containsNoNulls(bitmapFiles, "bitmapFiles");
if (action == null) {
throw new FacebookException("Can not set attachments prior to setting action.");
}
List<String> attachmentUrls = addImageAttachmentFiles(bitmapFiles);
updateActionAttachmentUrls(attachmentUrls, isUserGenerated);
return this;
}
private void updateActionAttachmentUrls(List<String> attachmentUrls, boolean isUserGenerated) {
List<JSONObject> attachments = action.getImage();
if (attachments == null) {
attachments = new ArrayList<JSONObject>(attachmentUrls.size());
}
for (String url : attachmentUrls) {
JSONObject jsonObject = new JSONObject();
try {
jsonObject.put(NativeProtocol.IMAGE_URL_KEY, url);
if (isUserGenerated) {
jsonObject.put(NativeProtocol.IMAGE_USER_GENERATED_KEY, true);
}
} catch (JSONException e) {
throw new FacebookException("Unable to attach images", e);
}
attachments.add(jsonObject);
}
action.setImage(attachments);
}
/**
* <p>Specifies a list of images for an Open Graph object referenced by the action that should be uploaded
* prior to publishing the action. The images will not be marked as user-generated.
* The action must already have been set prior to calling this method, and
* the action must have a GraphObject-valued property with the specified property name. This method will
* generate unique names for the image attachments and update the graph object to refer to these
* attachments. Note that calling setObject again after calling this method, or modifying the value of the
* specified property, will not clear the image attachments already set, but the new action (or objects)
* will have no reference to the existing attachments.</p>
*
* <p>In order for the images to be provided to the Facebook application as part of the app call, the
* NativeAppCallContentProvider must be specified correctly in the application's AndroidManifest.xml.</p>
*
* @param objectProperty the name of a property on the action that corresponds to an Open Graph object;
* the object must be marked as a new object to be created
* (i.e., {@link com.facebook.model.OpenGraphObject#getCreateObject()} must return
* true) or an exception will be thrown
* @param bitmapFiles a list of Files containing bitmaps to be uploaded and attached to the Open Graph object
* @return this instance of the builder
*/
public OpenGraphActionDialogBuilder setImageAttachmentsForObject(String objectProperty, List<Bitmap> bitmaps) {
return setImageAttachmentsForObject(objectProperty, bitmaps, false);
}
/**
* <p>Specifies a list of images for an Open Graph object referenced by the action that should be uploaded
* prior to publishing the action. The images may be marked as being
* user-generated -- refer to
* <a href="https://developers.facebook.com/docs/opengraph/howtos/adding-photos-to-stories/">this article</a>
* for more information.
* The action must already have been set prior to calling this method, and
* the action must have a GraphObject-valued property with the specified property name. This method will
* generate unique names for the image attachments and update the graph object to refer to these
* attachments. Note that calling setObject again after calling this method, or modifying the value of the
* specified property, will not clear the image attachments already set, but the new action (or objects)
* will have no reference to the existing attachments.</p>
*
* <p>In order for the images to be provided to the Facebook application as part of the app call, the
* NativeAppCallContentProvider must be specified correctly in the application's AndroidManifest.xml.</p>
*
* @param objectProperty the name of a property on the action that corresponds to an Open Graph object;
* the object must be marked as a new object to be created
* (i.e., {@link com.facebook.model.OpenGraphObject#getCreateObject()} must return
* true) or an exception will be thrown
* @param objectProperty the name of a property on the action that corresponds to an Open Graph object
* @param bitmapFiles a list of Files containing bitmaps to be uploaded and attached to the Open Graph object
* @param isUserGenerated if true, specifies that the user_generated flag should be set for these images
* @return this instance of the builder
*/
public OpenGraphActionDialogBuilder setImageAttachmentsForObject(String objectProperty, List<Bitmap> bitmaps,
boolean isUserGenerated) {
Validate.notNull(objectProperty, "objectProperty");
Validate.containsNoNulls(bitmaps, "bitmaps");
if (action == null) {
throw new FacebookException("Can not set attachments prior to setting action.");
}
List<String> attachmentUrls = addImageAttachments(bitmaps);
updateObjectAttachmentUrls(objectProperty, attachmentUrls, isUserGenerated);
return this;
}
/**
* <p>Specifies a list of images for an Open Graph object referenced by the action that should be uploaded
* prior to publishing the action. The images will not be marked as user-generated.
* The action must already have been set prior to calling this method, and
* the action must have a GraphObject-valued property with the specified property name. This method will
* generate unique names for the image attachments and update the graph object to refer to these
* attachments. Note that calling setObject again after calling this method, or modifying the value of the
* specified property, will not clear the image attachments already set, but the new action (or objects)
* will have no reference to the existing attachments.</p>
*
* <p>In order for the images to be provided to the Facebook application as part of the app call, the
* NativeAppCallContentProvider must be specified correctly in the application's AndroidManifest.xml.</p>
*
* @param objectProperty the name of a property on the action that corresponds to an Open Graph object;
* the object must be marked as a new object to be created
* (i.e., {@link com.facebook.model.OpenGraphObject#getCreateObject()} must return
* true) or an exception will be thrown
* @param bitmaps a list of Bitmaps to be uploaded and attached to the Open Graph object
* @return this instance of the builder
*/
public OpenGraphActionDialogBuilder setImageAttachmentFilesForObject(String objectProperty,
List<File> bitmapFiles) {
return setImageAttachmentFilesForObject(objectProperty, bitmapFiles, false);
}
/**
* <p>Specifies a list of images for an Open Graph object referenced by the action that should be uploaded
* prior to publishing the action. The images may be marked as being
* user-generated -- refer to
* <a href="https://developers.facebook.com/docs/opengraph/howtos/adding-photos-to-stories/">this article</a>
* for more information.
* The action must already have been set prior to calling this method, and
* the action must have a GraphObject-valued property with the specified property name. This method will
* generate unique names for the image attachments and update the graph object to refer to these
* attachments. Note that calling setObject again after calling this method, or modifying the value of the
* specified property, will not clear the image attachments already set, but the new action (or objects)
* will have no reference to the existing attachments.</p>
*
* <p>In order for the images to be provided to the Facebook application as part of the app call, the
* NativeAppCallContentProvider must be specified correctly in the application's AndroidManifest.xml.</p>
*
* @param objectProperty the name of a property on the action that corresponds to an Open Graph object;
* the object must be marked as a new object to be created
* (i.e., {@link com.facebook.model.OpenGraphObject#getCreateObject()} must return
* true) or an exception will be thrown
* @param bitmaps a list of Bitmaps to be uploaded and attached to the Open Graph object
* @param isUserGenerated if true, specifies that the user_generated flag should be set for these images
* @return this instance of the builder
*/
public OpenGraphActionDialogBuilder setImageAttachmentFilesForObject(String objectProperty,
List<File> bitmapFiles, boolean isUserGenerated) {
Validate.notNull(objectProperty, "objectProperty");
Validate.containsNoNulls(bitmapFiles, "bitmapFiles");
if (action == null) {
throw new FacebookException("Can not set attachments prior to setting action.");
}
List<String> attachmentUrls = addImageAttachmentFiles(bitmapFiles);
updateObjectAttachmentUrls(objectProperty, attachmentUrls, isUserGenerated);
return this;
}
void updateObjectAttachmentUrls(String objectProperty, List<String> attachmentUrls, boolean isUserGenerated) {
final OpenGraphObject object;
try {
object = action.getPropertyAs(objectProperty, OpenGraphObject.class);
if (object == null) {
throw new IllegalArgumentException("Action does not contain a property '" + objectProperty + "'");
}
} catch (FacebookGraphObjectException exception) {
throw new IllegalArgumentException("Property '" + objectProperty + "' is not a graph object");
}
if (!object.getCreateObject()) {
throw new IllegalArgumentException(
"The Open Graph object in '" + objectProperty + "' is not marked for creation");
}
GraphObjectList<GraphObject> attachments = object.getImage();
if (attachments == null) {
attachments = GraphObject.Factory.createList(GraphObject.class);
}
for (String url : attachmentUrls) {
GraphObject graphObject = GraphObject.Factory.create();
graphObject.setProperty(NativeProtocol.IMAGE_URL_KEY, url);
if (isUserGenerated) {
graphObject.setProperty(NativeProtocol.IMAGE_USER_GENERATED_KEY, true);
}
attachments.add(graphObject);
}
object.setImage(attachments);
}
private List<String> addImageAttachments(List<Bitmap> bitmaps) {
ArrayList<String> attachmentUrls = new ArrayList<String>();
for (Bitmap bitmap : bitmaps) {
String attachmentName = UUID.randomUUID().toString();
addImageAttachment(attachmentName, bitmap);
String url = NativeAppCallContentProvider.getAttachmentUrl(applicationId, appCall.getCallId(),
attachmentName);
attachmentUrls.add(url);
}
return attachmentUrls;
}
private List<String> addImageAttachmentFiles(List<File> bitmapFiles) {
ArrayList<String> attachmentUrls = new ArrayList<String>();
for (File bitmapFile : bitmapFiles) {
String attachmentName = UUID.randomUUID().toString();
addImageAttachment(attachmentName, bitmapFile);
String url = NativeAppCallContentProvider.getAttachmentUrl(applicationId, appCall.getCallId(),
attachmentName);
attachmentUrls.add(url);
}
return attachmentUrls;
}
List<String> getImageAttachmentNames() {
return new ArrayList<String>(imageAttachments.keySet());
}
@Override
boolean handleCanPresent() {
return canPresentOpenGraphActionDialog(activity, OpenGraphActionDialogFeature.OG_ACTION_DIALOG);
}
@Override
Intent handleBuild(Bundle extras) {
putExtra(extras, NativeProtocol.EXTRA_PREVIEW_PROPERTY_NAME, previewPropertyName);
putExtra(extras, NativeProtocol.EXTRA_ACTION_TYPE, actionType);
extras.putBoolean(NativeProtocol.EXTRA_DATA_FAILURES_FATAL, dataErrorsFatal);
JSONObject jsonAction = action.getInnerJSONObject();
jsonAction = flattenChildrenOfGraphObject(jsonAction);
String jsonString = jsonAction.toString();
putExtra(extras, NativeProtocol.EXTRA_ACTION, jsonString);
int protocolVersion = getProtocolVersionForNativeDialog(activity, MIN_NATIVE_SHARE_PROTOCOL_VERSION);
Intent intent = NativeProtocol.createPlatformActivityIntent(activity,
NativeProtocol.ACTION_OGACTIONPUBLISH_DIALOG, protocolVersion, extras);
return intent;
}
@Override
OnPresentCallback getOnPresentCallback() {
return new OnPresentCallback() {
@Override
public void onPresent(Context context) throws Exception {
// We're actually being presented, so put our attachments in the content provider.
if (imageAttachments != null && imageAttachments.size() > 0) {
getAttachmentStore().addAttachmentsForCall(context, appCall.getCallId(), imageAttachments);
}
if (imageAttachmentFiles != null && imageAttachmentFiles.size() > 0) {
getAttachmentStore().addAttachmentFilesForCall(context, appCall.getCallId(),
imageAttachmentFiles);
}
}
};
}
private OpenGraphActionDialogBuilder addImageAttachment(String imageName, Bitmap bitmap) {
if (imageAttachments == null) {
imageAttachments = new HashMap<String, Bitmap>();
}
imageAttachments.put(imageName, bitmap);
return this;
}
private OpenGraphActionDialogBuilder addImageAttachment(String imageName, File attachment) {
if (imageAttachmentFiles == null) {
imageAttachmentFiles = new HashMap<String, File>();
}
imageAttachmentFiles.put(imageName, attachment);
return this;
}
private JSONObject flattenChildrenOfGraphObject(JSONObject graphObject) {
try {
// Clone the existing object to avoid modifying it from under the caller.
graphObject = new JSONObject(graphObject.toString());
@SuppressWarnings("unchecked")
Iterator<String> keys = graphObject.keys();
while (keys.hasNext()) {
String key = keys.next();
// The "image" property should not be flattened
if (!key.equalsIgnoreCase("image")) {
Object object = graphObject.get(key);
object = flattenObject(object);
graphObject.put(key, object);
}
}
return graphObject;
} catch (JSONException e) {
throw new FacebookException(e);
}
}
private Object flattenObject(Object object) throws JSONException {
if (object == null) {
return null;
}
if (object instanceof JSONObject) {
JSONObject jsonObject = (JSONObject) object;
// Don't flatten objects that are marked as create_object.
if (jsonObject.optBoolean(NativeProtocol.OPEN_GRAPH_CREATE_OBJECT_KEY)) {
return object;
}
if (jsonObject.has("id")) {
return jsonObject.getString("id");
} else if (jsonObject.has("url")) {
return jsonObject.getString("url");
}
} else if (object instanceof JSONArray) {
JSONArray jsonArray = (JSONArray) object;
JSONArray newArray = new JSONArray();
int length = jsonArray.length();
for (int i = 0; i < length; ++i) {
newArray.put(flattenObject(jsonArray.get(i)));
}
return newArray;
}
return object;
}
}
/**
* Encapsulates information about a call being made to the Facebook application for Android. A unique String
* call ID is used to track calls through their lifecycle.
*/
public static class PendingCall implements Parcelable {
private UUID callId;
private Intent requestIntent;
private int requestCode;
/**
* Constructor.
* @param requestCode the request code for this app call
*/
public PendingCall(int requestCode) {
callId = UUID.randomUUID();
this.requestCode = requestCode;
}
private PendingCall(Parcel in) {
callId = UUID.fromString(in.readString());
requestIntent = in.readParcelable(null);
requestCode = in.readInt();
}
private void setRequestIntent(Intent requestIntent) {
this.requestIntent = requestIntent;
this.requestIntent.putExtra(NativeProtocol.EXTRA_PROTOCOL_CALL_ID, callId.toString());
}
/**
* Returns the Intent that was used to initiate this call to the Facebook application.
* @return the Intent
*/
public Intent getRequestIntent() {
return requestIntent;
}
/**
* Returns the unique ID of this call to the Facebook application.
* @return the unique ID
*/
public UUID getCallId() {
return callId;
}
private void setRequestCode(int requestCode) {
this.requestCode = requestCode;
}
/**
* Gets the request code for this call.
*
* @return the request code that will be passed to handleActivityResult upon completion.
*/
public int getRequestCode() {
return requestCode;
}
@Override
public int describeContents() {
return 0;
}
@Override
public void writeToParcel(Parcel parcel, int i) {
parcel.writeString(callId.toString());
parcel.writeParcelable(requestIntent, 0);
parcel.writeInt(requestCode);
}
public static final Creator<PendingCall> CREATOR
= new Creator<PendingCall>() {
public PendingCall createFromParcel(Parcel in) {
return new PendingCall(in);
}
public PendingCall[] newArray(int size) {
return new PendingCall[size];
}
};}
}