The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame^] | 1 | package android.inputmethodservice; |
| 2 | |
| 3 | import com.android.internal.os.HandlerCaller; |
| 4 | import com.android.internal.view.IInputMethodCallback; |
| 5 | import com.android.internal.view.IInputMethodSession; |
| 6 | |
| 7 | import android.content.Context; |
| 8 | import android.graphics.Rect; |
| 9 | import android.os.Bundle; |
| 10 | import android.os.Message; |
| 11 | import android.os.RemoteException; |
| 12 | import android.util.Log; |
| 13 | import android.view.KeyEvent; |
| 14 | import android.view.MotionEvent; |
| 15 | import android.view.inputmethod.CompletionInfo; |
| 16 | import android.view.inputmethod.ExtractedText; |
| 17 | import android.view.inputmethod.InputMethodSession; |
| 18 | import android.view.inputmethod.EditorInfo; |
| 19 | |
| 20 | class 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, args.argi5, args.argi6); |
| 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, int candidatesStart, int candidatesEnd) { |
| 139 | mCaller.executeOrSendMessage(mCaller.obtainMessageIIIIII(DO_UPDATE_SELECTION, |
| 140 | oldSelStart, oldSelEnd, newSelStart, newSelEnd, |
| 141 | candidatesStart, candidatesEnd)); |
| 142 | } |
| 143 | |
| 144 | public void updateCursor(Rect newCursor) { |
| 145 | mCaller.executeOrSendMessage(mCaller.obtainMessageO(DO_UPDATE_CURSOR, |
| 146 | newCursor)); |
| 147 | } |
| 148 | |
| 149 | public void appPrivateCommand(String action, Bundle data) { |
| 150 | mCaller.executeOrSendMessage(mCaller.obtainMessageOO(DO_APP_PRIVATE_COMMAND, action, data)); |
| 151 | } |
| 152 | } |