IInputMethodSessionWrapper.java revision f013e1afd1e68af5e3b868c26a653bbfb39538f8
1package android.inputmethodservice; 2 3import com.android.internal.os.HandlerCaller; 4import com.android.internal.view.IInputMethodCallback; 5import com.android.internal.view.IInputMethodSession; 6 7import android.content.Context; 8import android.graphics.Rect; 9import android.os.Bundle; 10import android.os.Message; 11import android.os.RemoteException; 12import android.util.Log; 13import android.view.KeyEvent; 14import android.view.MotionEvent; 15import android.view.inputmethod.CompletionInfo; 16import android.view.inputmethod.ExtractedText; 17import android.view.inputmethod.InputMethodSession; 18import android.view.inputmethod.EditorInfo; 19 20class IInputMethodSessionWrapper extends IInputMethodSession.Stub 21 implements HandlerCaller.Callback { 22 private static final String TAG = "InputMethodWrapper"; 23 private static final boolean DEBUG = false; 24 25 private static final int DO_FINISH_INPUT = 60; 26 private static final int DO_DISPLAY_COMPLETIONS = 65; 27 private static final int DO_UPDATE_EXTRACTED_TEXT = 67; 28 private static final int DO_DISPATCH_KEY_EVENT = 70; 29 private static final int DO_DISPATCH_TRACKBALL_EVENT = 80; 30 private static final int DO_UPDATE_SELECTION = 90; 31 private static final int DO_UPDATE_CURSOR = 95; 32 private static final int DO_APP_PRIVATE_COMMAND = 100; 33 34 final HandlerCaller mCaller; 35 final InputMethodSession mInputMethodSession; 36 37 // NOTE: we should have a cache of these. 38 static class InputMethodEventCallbackWrapper implements InputMethodSession.EventCallback { 39 final IInputMethodCallback mCb; 40 InputMethodEventCallbackWrapper(IInputMethodCallback cb) { 41 mCb = cb; 42 } 43 public void finishedEvent(int seq, boolean handled) { 44 try { 45 mCb.finishedEvent(seq, handled); 46 } catch (RemoteException e) { 47 } 48 } 49 } 50 51 public IInputMethodSessionWrapper(Context context, 52 InputMethodSession inputMethodSession) { 53 mCaller = new HandlerCaller(context, this); 54 mInputMethodSession = inputMethodSession; 55 } 56 57 public InputMethodSession getInternalInputMethodSession() { 58 return mInputMethodSession; 59 } 60 61 public void executeMessage(Message msg) { 62 switch (msg.what) { 63 case DO_FINISH_INPUT: 64 mInputMethodSession.finishInput(); 65 return; 66 case DO_DISPLAY_COMPLETIONS: 67 mInputMethodSession.displayCompletions((CompletionInfo[])msg.obj); 68 return; 69 case DO_UPDATE_EXTRACTED_TEXT: 70 mInputMethodSession.updateExtractedText(msg.arg1, 71 (ExtractedText)msg.obj); 72 return; 73 case DO_DISPATCH_KEY_EVENT: { 74 HandlerCaller.SomeArgs args = (HandlerCaller.SomeArgs)msg.obj; 75 mInputMethodSession.dispatchKeyEvent(msg.arg1, 76 (KeyEvent)args.arg1, 77 new InputMethodEventCallbackWrapper( 78 (IInputMethodCallback)args.arg2)); 79 mCaller.recycleArgs(args); 80 return; 81 } 82 case DO_DISPATCH_TRACKBALL_EVENT: { 83 HandlerCaller.SomeArgs args = (HandlerCaller.SomeArgs)msg.obj; 84 mInputMethodSession.dispatchTrackballEvent(msg.arg1, 85 (MotionEvent)args.arg1, 86 new InputMethodEventCallbackWrapper( 87 (IInputMethodCallback)args.arg2)); 88 mCaller.recycleArgs(args); 89 return; 90 } 91 case DO_UPDATE_SELECTION: { 92 HandlerCaller.SomeArgs args = (HandlerCaller.SomeArgs)msg.obj; 93 mInputMethodSession.updateSelection(args.argi1, args.argi2, 94 args.argi3, args.argi4); 95 mCaller.recycleArgs(args); 96 return; 97 } 98 case DO_UPDATE_CURSOR: { 99 mInputMethodSession.updateCursor((Rect)msg.obj); 100 return; 101 } 102 case DO_APP_PRIVATE_COMMAND: { 103 HandlerCaller.SomeArgs args = (HandlerCaller.SomeArgs)msg.obj; 104 mInputMethodSession.appPrivateCommand((String)args.arg1, 105 (Bundle)args.arg2); 106 mCaller.recycleArgs(args); 107 return; 108 } 109 } 110 Log.w(TAG, "Unhandled message code: " + msg.what); 111 } 112 113 public void finishInput() { 114 mCaller.executeOrSendMessage(mCaller.obtainMessage(DO_FINISH_INPUT)); 115 } 116 117 public void displayCompletions(CompletionInfo[] completions) { 118 mCaller.executeOrSendMessage(mCaller.obtainMessageO( 119 DO_DISPLAY_COMPLETIONS, completions)); 120 } 121 122 public void updateExtractedText(int token, ExtractedText text) { 123 mCaller.executeOrSendMessage(mCaller.obtainMessageIO( 124 DO_UPDATE_EXTRACTED_TEXT, token, text)); 125 } 126 127 public void dispatchKeyEvent(int seq, KeyEvent event, IInputMethodCallback callback) { 128 mCaller.executeOrSendMessage(mCaller.obtainMessageIOO(DO_DISPATCH_KEY_EVENT, seq, 129 event, callback)); 130 } 131 132 public void dispatchTrackballEvent(int seq, MotionEvent event, IInputMethodCallback callback) { 133 mCaller.executeOrSendMessage(mCaller.obtainMessageIOO(DO_DISPATCH_TRACKBALL_EVENT, seq, 134 event, callback)); 135 } 136 137 public void updateSelection(int oldSelStart, int oldSelEnd, 138 int newSelStart, int newSelEnd) { 139 mCaller.executeOrSendMessage(mCaller.obtainMessageIIII(DO_UPDATE_SELECTION, 140 oldSelStart, oldSelEnd, newSelStart, newSelEnd)); 141 } 142 143 public void updateCursor(Rect newCursor) { 144 mCaller.executeOrSendMessage(mCaller.obtainMessageO(DO_UPDATE_CURSOR, 145 newCursor)); 146 } 147 148 public void appPrivateCommand(String action, Bundle data) { 149 mCaller.executeOrSendMessage(mCaller.obtainMessageOO(DO_APP_PRIVATE_COMMAND, action, data)); 150 } 151} 152