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Code Issues Releases Wiki Activity

API enhancements

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This commit is contained in:
Nikolay Pultsin 2011-06-19 14:02:10 +01:00
parent 37924e0072
commit 9296cef55e
6 changed files with 95 additions and 30 deletions
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8
src/org/geometerplus/android/fbreader/api/Api.java
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@ -19,6 +19,8 @@
package org.geometerplus.android.fbreader.api;
import java.util.List;
public interface Api {
void connect();
void disconnect();
@ -29,8 +31,8 @@ public interface Api {
// book information
String getBookLanguage() throws ApiException;
String getBookTitle() throws ApiException;
//String getBookAuthors() throws ApiException;
//String getBookTags() throws ApiException;
//List<String> getBookAuthors() throws ApiException;
List<String> getBookTags() throws ApiException;
String getBookFileName() throws ApiException;
// text information
@ -46,4 +48,6 @@ public interface Api {
// manage view
void setPageStart(TextPosition position) throws ApiException;
void highlightArea(TextPosition start, TextPosition end) throws ApiException;
void clearHighlighting() throws ApiException;
}

68
src/org/geometerplus/android/fbreader/api/ApiServiceConnection.java → src/org/geometerplus/android/fbreader/api/ApiClientImplementation.java
View file

@ -19,16 +19,18 @@
package org.geometerplus.android.fbreader.api;
import java.util.*;
import android.content.*;
import android.os.IBinder;
public class ApiServiceConnection implements ServiceConnection, Api, ApiMethods {
public class ApiClientImplementation implements ServiceConnection, Api, ApiMethods {
private static String ACTION_API = "android.fbreader.action.API";
private final Context myContext;
private volatile ApiInterface myInterface;
public ApiServiceConnection(Context context) {
public ApiClientImplementation(Context context) {
myContext = context;
connect();
}
@ -59,20 +61,38 @@ public class ApiServiceConnection implements ServiceConnection, Api, ApiMethods
myInterface = null;
}
private synchronized ApiObject request(int method, ApiObject[] params) throws ApiException {
private synchronized void checkConnection() throws ApiException {
if (myInterface == null) {
throw new ApiException("Not connected to FBReader");
}
final ApiObject object;
try {
object = myInterface.request(method, params);
} catch (android.os.RemoteException e) {
throw new ApiException(e);
}
private synchronized ApiObject request(int method, ApiObject[] params) throws ApiException {
checkConnection();
try {
final ApiObject object = myInterface.request(method, params);
if (object instanceof ApiObject.Error) {
throw new ApiException(((ApiObject.Error)object).Message);
}
return object;
} catch (android.os.RemoteException e) {
throw new ApiException(e);
}
}
private synchronized List<ApiObject> requestList(int method, ApiObject[] params) throws ApiException {
checkConnection();
try {
final List<ApiObject> list = myInterface.requestList(method, params);
for (ApiObject object : list) {
if (object instanceof ApiObject.Error) {
throw new ApiException(((ApiObject.Error)object).Message);
}
}
return list;
} catch (android.os.RemoteException e) {
throw new ApiException(e);
}
}
private String requestString(int method, ApiObject[] params) throws ApiException {
@ -107,6 +127,18 @@ public class ApiServiceConnection implements ServiceConnection, Api, ApiMethods
return (TextPosition)object;
}
private List<String> requestStringList(int method, ApiObject[] params) throws ApiException {
final List<ApiObject> list = requestList(method, params);
final ArrayList<String> stringList = new ArrayList<String>(list.size());
for (ApiObject object : list) {
if (!(object instanceof ApiObject.String)) {
throw new ApiException("Cannot cast an element returned from method " + method + " to String");
}
stringList.add(((ApiObject.String)object).Value);
}
return stringList;
}
private static final ApiObject[] EMPTY_PARAMETERS = new ApiObject[0];
private static ApiObject[] envelope(int value) {
@ -125,6 +157,10 @@ public class ApiServiceConnection implements ServiceConnection, Api, ApiMethods
return requestString(GET_BOOK_TITLE, EMPTY_PARAMETERS);
}
public List<String> getBookTags() throws ApiException {
return requestStringList(GET_BOOK_TAGS, EMPTY_PARAMETERS);
}
public String getBookFileName() throws ApiException {
return requestString(GET_BOOK_FILENAME, EMPTY_PARAMETERS);
}
@ -145,10 +181,6 @@ public class ApiServiceConnection implements ServiceConnection, Api, ApiMethods
return requestBoolean(IS_PAGE_END_OF_TEXT, EMPTY_PARAMETERS);
}
public void setPageStart(TextPosition position) throws ApiException {
request(SET_PAGE_START, new ApiObject[] { position });
}
public int getParagraphsNumber() throws ApiException {
return requestInt(GET_PARAGRAPHS_NUMBER, EMPTY_PARAMETERS);
}
@ -160,4 +192,16 @@ public class ApiServiceConnection implements ServiceConnection, Api, ApiMethods
public int getElementsNumber(int paragraphIndex) throws ApiException {
return requestInt(GET_ELEMENTS_NUMBER, envelope(paragraphIndex));
}
public void setPageStart(TextPosition position) throws ApiException {
request(SET_PAGE_START, new ApiObject[] { position });
}
public void highlightArea(TextPosition start, TextPosition end) throws ApiException {
request(HIGHLIGHT_AREA, new ApiObject[] { start, end });
}
public void clearHighlighting() throws ApiException {
request(CLEAR_HIGHLIGHTING, EMPTY_PARAMETERS);
}
}

2
src/org/geometerplus/android/fbreader/api/ApiInterface.aidl
View file

@ -23,4 +23,6 @@ import org.geometerplus.android.fbreader.api.ApiObject;
interface ApiInterface {
ApiObject request(int method, in ApiObject[] parameters);
List<ApiObject> requestList(int method, in ApiObject[] parameters);
Map requestMap(int method, in ApiObject[] parameters);
}

4
src/org/geometerplus/android/fbreader/api/ApiMethods.java
View file

@ -49,6 +49,8 @@ interface ApiMethods {
int IS_PAGE_END_OF_TEXT = 703;
int IS_PAGE_END_OF_SECTION = 704;
// view change
// view management
int SET_PAGE_START = 801;
int HIGHLIGHT_AREA = 802;
int CLEAR_HIGHLIGHTING = 803;
}

41
src/org/geometerplus/android/fbreader/api/ApiImplementation.java → src/org/geometerplus/android/fbreader/api/ApiServerImplementation.java
View file

@ -19,31 +19,31 @@
package org.geometerplus.android.fbreader.api;
import java.util.*;
import org.geometerplus.zlibrary.core.library.ZLibrary;
import org.geometerplus.zlibrary.text.view.*;
import org.geometerplus.fbreader.fbreader.FBReaderApp;
public class ApiImplementation extends ApiInterface.Stub implements ApiMethods {
public class ApiServerImplementation extends ApiInterface.Stub implements ApiMethods {
private final FBReaderApp myReader = (FBReaderApp)FBReaderApp.Instance();
private ApiObject.Error unsupportedMethodError(int method) {
return new ApiObject.Error("Unsupported method code: " + method);
}
@Override
public ApiObject request(int method, ApiObject[] parameters) {
try {
switch (method) {
case GET_FBREADER_VERSION:
return ApiObject.envelope(
ZLibrary.Instance().getVersionName()
);
return ApiObject.envelope(ZLibrary.Instance().getVersionName());
case GET_BOOK_LANGUAGE:
return ApiObject.envelope(
myReader.Model.Book.getLanguage()
);
return ApiObject.envelope(myReader.Model.Book.getLanguage());
case GET_BOOK_TITLE:
return ApiObject.envelope(
myReader.Model.Book.getTitle()
);
return ApiObject.envelope(myReader.Model.Book.getTitle());
case GET_PARAGRAPHS_NUMBER:
return ApiObject.envelope(getParagraphsNumber());
case GET_ELEMENTS_NUMBER:
@ -63,18 +63,31 @@ public class ApiImplementation extends ApiInterface.Stub implements ApiMethods {
case IS_PAGE_END_OF_TEXT:
return ApiObject.envelope(isPageEndOfText());
case SET_PAGE_START:
setPageStart(
(TextPosition)parameters[0]
);
setPageStart((TextPosition)parameters[0]);
return ApiObject.Void.Instance;
case HIGHLIGHT_AREA:
return ApiObject.Void.Instance;
case CLEAR_HIGHLIGHTING:
return ApiObject.Void.Instance;
default:
return new ApiObject.Error("Unsupported method code: " + method);
return unsupportedMethodError(method);
}
} catch (Throwable e) {
return new ApiObject.Error("Exception in method " + method + ": " + e);
}
}
@Override
public List<ApiObject> requestList(int method, ApiObject[] parameters) {
return Collections.<ApiObject>singletonList(unsupportedMethodError(method));
}
@Override
public Map<ApiObject,ApiObject> requestMap(int method, ApiObject[] parameters) {
final ApiObject error = unsupportedMethodError(method);
return Collections.singletonMap(error, error);
}
private TextPosition getTextPosition(ZLTextWordCursor cursor) {
return new TextPosition(
cursor.getParagraphIndex(),

2
src/org/geometerplus/android/fbreader/api/ApiService.java
View file

@ -26,6 +26,6 @@ import android.os.IBinder;
public class ApiService extends Service {
@Override
public IBinder onBind(Intent intent) {
return new ApiImplementation();
return new ApiServerImplementation();
}
}