Examples with InputBindResult com.android.internal.view.InputBindResult used on opensource projects

Example 11 with InputBindResult

use of com.android.internal.view.InputBindResult in project platform_frameworks_base by android.

the class InputMethodManagerService method startInputUncheckedLocked.

InputBindResult startInputUncheckedLocked(@NonNull ClientState cs, IInputContext inputContext, /* @InputConnectionInspector.missingMethods */
final int missingMethods, @NonNull EditorInfo attribute, int controlFlags) {
    // If no method is currently selected, do nothing.
    if (mCurMethodId == null) {
        return mNoBinding;
    }
    if (!InputMethodUtils.checkIfPackageBelongsToUid(mAppOpsManager, cs.uid, attribute.packageName)) {
        Slog.e(TAG, "Rejecting this client as it reported an invalid package name." + " uid=" + cs.uid + " package=" + attribute.packageName);
        return mNoBinding;
    }
    if (mCurClient != cs) {
        // Was the keyguard locked when switching over to the new client?
        mCurClientInKeyguard = isKeyguardLocked();
        // If the client is changing, we need to switch over to the new
        // one.
        unbindCurrentClientLocked(InputMethodClient.UNBIND_REASON_SWITCH_CLIENT);
        if (DEBUG)
            Slog.v(TAG, "switching to client: client=" + cs.client.asBinder() + " keyguard=" + mCurClientInKeyguard);
        // If the screen is on, inform the new client it is active
        if (mIsInteractive) {
            executeOrSendMessage(cs.client, mCaller.obtainMessageIO(MSG_SET_ACTIVE, mIsInteractive ? 1 : 0, cs));
        }
    }
    // Bump up the sequence for this client and attach it.
    mCurSeq++;
    if (mCurSeq <= 0)
        mCurSeq = 1;
    mCurClient = cs;
    mCurInputContext = inputContext;
    mCurInputContextMissingMethods = missingMethods;
    mCurAttribute = attribute;
    // Check if the input method is changing.
    if (mCurId != null && mCurId.equals(mCurMethodId)) {
        if (cs.curSession != null) {
            // then just return it.
            return attachNewInputLocked((controlFlags & InputMethodManager.CONTROL_START_INITIAL) != 0);
        }
        if (mHaveConnection) {
            if (mCurMethod != null) {
                // Return to client, and we will get back with it when
                // we have had a session made for it.
                requestClientSessionLocked(cs);
                return new InputBindResult(null, null, mCurId, mCurSeq, mCurUserActionNotificationSequenceNumber);
            } else if (SystemClock.uptimeMillis() < (mLastBindTime + TIME_TO_RECONNECT)) {
                // to see if we can get back in touch with the service.
                return new InputBindResult(null, null, mCurId, mCurSeq, mCurUserActionNotificationSequenceNumber);
            } else {
                EventLog.writeEvent(EventLogTags.IMF_FORCE_RECONNECT_IME, mCurMethodId, SystemClock.uptimeMillis() - mLastBindTime, 0);
            }
        }
    }
    return startInputInnerLocked();
}

Example 12 with InputBindResult

use of com.android.internal.view.InputBindResult in project platform_frameworks_base by android.

the class InputMethodManager method startInputInner.

boolean startInputInner(@InputMethodClient.StartInputReason final int startInputReason, IBinder windowGainingFocus, int controlFlags, int softInputMode, int windowFlags) {
    final View view;
    synchronized (mH) {
        view = mServedView;
        // Make sure we have a window token for the served view.
        if (DEBUG) {
            Log.v(TAG, "Starting input: view=" + dumpViewInfo(view) + " reason=" + InputMethodClient.getStartInputReason(startInputReason));
        }
        if (view == null) {
            if (DEBUG)
                Log.v(TAG, "ABORT input: no served view!");
            return false;
        }
    }
    // Now we need to get an input connection from the served view.
    // This is complicated in a couple ways: we can't be holding our lock
    // when calling out to the view, and we need to make sure we call into
    // the view on the same thread that is driving its view hierarchy.
    Handler vh = view.getHandler();
    if (vh == null) {
        // screen without a connection.
        if (DEBUG)
            Log.v(TAG, "ABORT input: no handler for view! Close current input.");
        closeCurrentInput();
        return false;
    }
    if (vh.getLooper() != Looper.myLooper()) {
        // we need to reschedule our work for over there.
        if (DEBUG)
            Log.v(TAG, "Starting input: reschedule to view thread");
        vh.post(new Runnable() {

            @Override
            public void run() {
                startInputInner(startInputReason, null, 0, 0, 0);
            }
        });
        return false;
    }
    // Okay we are now ready to call into the served view and have it
    // do its stuff.
    // Life is good: let's hook everything up!
    EditorInfo tba = new EditorInfo();
    // Note: Use Context#getOpPackageName() rather than Context#getPackageName() so that the
    // system can verify the consistency between the uid of this process and package name passed
    // from here. See comment of Context#getOpPackageName() for details.
    tba.packageName = view.getContext().getOpPackageName();
    tba.fieldId = view.getId();
    InputConnection ic = view.onCreateInputConnection(tba);
    if (DEBUG)
        Log.v(TAG, "Starting input: tba=" + tba + " ic=" + ic);
    synchronized (mH) {
        // changed.
        if (mServedView != view || !mServedConnecting) {
            // Something else happened, so abort.
            if (DEBUG)
                Log.v(TAG, "Starting input: finished by someone else. view=" + dumpViewInfo(view) + " mServedView=" + dumpViewInfo(mServedView) + " mServedConnecting=" + mServedConnecting);
            return false;
        }
        // connected so we want to restart it.
        if (mCurrentTextBoxAttribute == null) {
            controlFlags |= CONTROL_START_INITIAL;
        }
        // Hook 'em up and let 'er rip.
        mCurrentTextBoxAttribute = tba;
        mServedConnecting = false;
        if (mServedInputConnectionWrapper != null) {
            mServedInputConnectionWrapper.deactivate();
            mServedInputConnectionWrapper = null;
        }
        ControlledInputConnectionWrapper servedContext;
        final int missingMethodFlags;
        if (ic != null) {
            mCursorSelStart = tba.initialSelStart;
            mCursorSelEnd = tba.initialSelEnd;
            mCursorCandStart = -1;
            mCursorCandEnd = -1;
            mCursorRect.setEmpty();
            mCursorAnchorInfo = null;
            final Handler icHandler;
            missingMethodFlags = InputConnectionInspector.getMissingMethodFlags(ic);
            if ((missingMethodFlags & InputConnectionInspector.MissingMethodFlags.GET_HANDLER) != 0) {
                // InputConnection#getHandler() is not implemented.
                icHandler = null;
            } else {
                icHandler = ic.getHandler();
            }
            servedContext = new ControlledInputConnectionWrapper(icHandler != null ? icHandler.getLooper() : vh.getLooper(), ic, this);
        } else {
            servedContext = null;
            missingMethodFlags = 0;
        }
        mServedInputConnectionWrapper = servedContext;
        try {
            if (DEBUG)
                Log.v(TAG, "START INPUT: view=" + dumpViewInfo(view) + " ic=" + ic + " tba=" + tba + " controlFlags=#" + Integer.toHexString(controlFlags));
            final InputBindResult res = mService.startInputOrWindowGainedFocus(startInputReason, mClient, windowGainingFocus, controlFlags, softInputMode, windowFlags, tba, servedContext, missingMethodFlags);
            if (DEBUG)
                Log.v(TAG, "Starting input: Bind result=" + res);
            if (res != null) {
                if (res.id != null) {
                    setInputChannelLocked(res.channel);
                    mBindSequence = res.sequence;
                    mCurMethod = res.method;
                    mCurId = res.id;
                    mNextUserActionNotificationSequenceNumber = res.userActionNotificationSequenceNumber;
                    if (mServedInputConnectionWrapper != null) {
                        mServedInputConnectionWrapper.setInputMethodId(mCurId);
                    }
                } else {
                    if (res.channel != null && res.channel != mCurChannel) {
                        res.channel.dispose();
                    }
                    if (mCurMethod == null) {
                        // This means there is no input method available.
                        if (DEBUG)
                            Log.v(TAG, "ABORT input: no input method!");
                        return true;
                    }
                }
            } else {
                if (startInputReason == InputMethodClient.START_INPUT_REASON_WINDOW_FOCUS_GAIN) {
                    // TODO: InputBindResult should have the error code.
                    if (DEBUG)
                        Log.w(TAG, "startInputOrWindowGainedFocus failed. " + "Window focus may have already been lost. " + "win=" + windowGainingFocus + " view=" + dumpViewInfo(view));
                    if (!mActive) {
                        // mHasBeenInactive is a latch switch to forcefully refresh IME focus
                        // state when an inactive (mActive == false) client is gaining window
                        // focus. In case we have unnecessary disable the latch due to this
                        // spurious wakeup, we re-enable the latch here.
                        // TODO: Come up with more robust solution.
                        mHasBeenInactive = true;
                    }
                }
            }
            if (mCurMethod != null && mCompletions != null) {
                try {
                    mCurMethod.displayCompletions(mCompletions);
                } catch (RemoteException e) {
                }
            }
        } catch (RemoteException e) {
            Log.w(TAG, "IME died: " + mCurId, e);
        }
    }
    return true;
}

Example 13 with InputBindResult

use of com.android.internal.view.InputBindResult in project android_frameworks_base by crdroidandroid.

the class InputMethodManager method startInputInner.

boolean startInputInner(@InputMethodClient.StartInputReason final int startInputReason, IBinder windowGainingFocus, int controlFlags, int softInputMode, int windowFlags) {
    final View view;
    synchronized (mH) {
        view = mServedView;
        // Make sure we have a window token for the served view.
        if (DEBUG) {
            Log.v(TAG, "Starting input: view=" + dumpViewInfo(view) + " reason=" + InputMethodClient.getStartInputReason(startInputReason));
        }
        if (view == null) {
            if (DEBUG)
                Log.v(TAG, "ABORT input: no served view!");
            return false;
        }
    }
    // Now we need to get an input connection from the served view.
    // This is complicated in a couple ways: we can't be holding our lock
    // when calling out to the view, and we need to make sure we call into
    // the view on the same thread that is driving its view hierarchy.
    Handler vh = view.getHandler();
    if (vh == null) {
        // screen without a connection.
        if (DEBUG)
            Log.v(TAG, "ABORT input: no handler for view! Close current input.");
        closeCurrentInput();
        return false;
    }
    if (vh.getLooper() != Looper.myLooper()) {
        // we need to reschedule our work for over there.
        if (DEBUG)
            Log.v(TAG, "Starting input: reschedule to view thread");
        vh.post(new Runnable() {

            @Override
            public void run() {
                startInputInner(startInputReason, null, 0, 0, 0);
            }
        });
        return false;
    }
    // Okay we are now ready to call into the served view and have it
    // do its stuff.
    // Life is good: let's hook everything up!
    EditorInfo tba = new EditorInfo();
    // Note: Use Context#getOpPackageName() rather than Context#getPackageName() so that the
    // system can verify the consistency between the uid of this process and package name passed
    // from here. See comment of Context#getOpPackageName() for details.
    tba.packageName = view.getContext().getOpPackageName();
    tba.fieldId = view.getId();
    InputConnection ic = view.onCreateInputConnection(tba);
    if (DEBUG)
        Log.v(TAG, "Starting input: tba=" + tba + " ic=" + ic);
    synchronized (mH) {
        // changed.
        if (mServedView != view || !mServedConnecting) {
            // Something else happened, so abort.
            if (DEBUG)
                Log.v(TAG, "Starting input: finished by someone else. view=" + dumpViewInfo(view) + " mServedView=" + dumpViewInfo(mServedView) + " mServedConnecting=" + mServedConnecting);
            return false;
        }
        // connected so we want to restart it.
        if (mCurrentTextBoxAttribute == null) {
            controlFlags |= CONTROL_START_INITIAL;
        }
        // Hook 'em up and let 'er rip.
        mCurrentTextBoxAttribute = tba;
        mServedConnecting = false;
        if (mServedInputConnectionWrapper != null) {
            mServedInputConnectionWrapper.deactivate();
            mServedInputConnectionWrapper = null;
        }
        ControlledInputConnectionWrapper servedContext;
        final int missingMethodFlags;
        if (ic != null) {
            mCursorSelStart = tba.initialSelStart;
            mCursorSelEnd = tba.initialSelEnd;
            mCursorCandStart = -1;
            mCursorCandEnd = -1;
            mCursorRect.setEmpty();
            mCursorAnchorInfo = null;
            final Handler icHandler;
            missingMethodFlags = InputConnectionInspector.getMissingMethodFlags(ic);
            if ((missingMethodFlags & InputConnectionInspector.MissingMethodFlags.GET_HANDLER) != 0) {
                // InputConnection#getHandler() is not implemented.
                icHandler = null;
            } else {
                icHandler = ic.getHandler();
            }
            servedContext = new ControlledInputConnectionWrapper(icHandler != null ? icHandler.getLooper() : vh.getLooper(), ic, this);
        } else {
            servedContext = null;
            missingMethodFlags = 0;
        }
        mServedInputConnectionWrapper = servedContext;
        try {
            if (DEBUG)
                Log.v(TAG, "START INPUT: view=" + dumpViewInfo(view) + " ic=" + ic + " tba=" + tba + " controlFlags=#" + Integer.toHexString(controlFlags));
            final InputBindResult res = mService.startInputOrWindowGainedFocus(startInputReason, mClient, windowGainingFocus, controlFlags, softInputMode, windowFlags, tba, servedContext, missingMethodFlags);
            if (DEBUG)
                Log.v(TAG, "Starting input: Bind result=" + res);
            if (res != null) {
                if (res.id != null) {
                    setInputChannelLocked(res.channel);
                    mBindSequence = res.sequence;
                    mCurMethod = res.method;
                    mCurId = res.id;
                    mNextUserActionNotificationSequenceNumber = res.userActionNotificationSequenceNumber;
                    if (mServedInputConnectionWrapper != null) {
                        mServedInputConnectionWrapper.setInputMethodId(mCurId);
                    }
                } else {
                    if (res.channel != null && res.channel != mCurChannel) {
                        res.channel.dispose();
                    }
                    if (mCurMethod == null) {
                        // This means there is no input method available.
                        if (DEBUG)
                            Log.v(TAG, "ABORT input: no input method!");
                        return true;
                    }
                }
            } else {
                if (startInputReason == InputMethodClient.START_INPUT_REASON_WINDOW_FOCUS_GAIN) {
                    // TODO: InputBindResult should have the error code.
                    if (DEBUG)
                        Log.w(TAG, "startInputOrWindowGainedFocus failed. " + "Window focus may have already been lost. " + "win=" + windowGainingFocus + " view=" + dumpViewInfo(view));
                    if (!mActive) {
                        // mHasBeenInactive is a latch switch to forcefully refresh IME focus
                        // state when an inactive (mActive == false) client is gaining window
                        // focus. In case we have unnecessary disable the latch due to this
                        // spurious wakeup, we re-enable the latch here.
                        // TODO: Come up with more robust solution.
                        mHasBeenInactive = true;
                    }
                }
            }
            if (mCurMethod != null && mCompletions != null) {
                try {
                    mCurMethod.displayCompletions(mCompletions);
                } catch (RemoteException e) {
                }
            }
        } catch (RemoteException e) {
            Log.w(TAG, "IME died: " + mCurId, e);
        }
    }
    return true;
}

Example 14 with InputBindResult

use of com.android.internal.view.InputBindResult in project android_frameworks_base by crdroidandroid.

the class InputMethodManagerService method windowGainedFocus.

private InputBindResult windowGainedFocus(/* @InputMethodClient.StartInputReason */
final int startInputReason, IInputMethodClient client, IBinder windowToken, int controlFlags, int softInputMode, int windowFlags, EditorInfo attribute, IInputContext inputContext, /* @InputConnectionInspector.missingMethods */
final int missingMethods) {
    // Needs to check the validity before clearing calling identity
    final boolean calledFromValidUser = calledFromValidUser();
    InputBindResult res = null;
    long ident = Binder.clearCallingIdentity();
    try {
        synchronized (mMethodMap) {
            if (DEBUG)
                Slog.v(TAG, "windowGainedFocus: reason=" + InputMethodClient.getStartInputReason(startInputReason) + " client=" + client.asBinder() + " inputContext=" + inputContext + " missingMethods=" + InputConnectionInspector.getMissingMethodFlagsAsString(missingMethods) + " attribute=" + attribute + " controlFlags=#" + Integer.toHexString(controlFlags) + " softInputMode=#" + Integer.toHexString(softInputMode) + " windowFlags=#" + Integer.toHexString(windowFlags));
            ClientState cs = mClients.get(client.asBinder());
            if (cs == null) {
                throw new IllegalArgumentException("unknown client " + client.asBinder());
            }
            try {
                if (!mIWindowManager.inputMethodClientHasFocus(cs.client)) {
                    // Check with the window manager to make sure this client actually
                    // has a window with focus.  If not, reject.  This is thread safe
                    // because if the focus changes some time before or after, the
                    // next client receiving focus that has any interest in input will
                    // be calling through here after that change happens.
                    Slog.w(TAG, "Focus gain on non-focused client " + cs.client + " (uid=" + cs.uid + " pid=" + cs.pid + ")");
                    return null;
                }
            } catch (RemoteException e) {
            }
            if (!calledFromValidUser) {
                Slog.w(TAG, "A background user is requesting window. Hiding IME.");
                Slog.w(TAG, "If you want to interect with IME, you need " + "android.permission.INTERACT_ACROSS_USERS_FULL");
                hideCurrentInputLocked(0, null);
                return null;
            }
            if (mCurFocusedWindow == windowToken) {
                Slog.w(TAG, "Window already focused, ignoring focus gain of: " + client + " attribute=" + attribute + ", token = " + windowToken);
                if (attribute != null) {
                    return startInputUncheckedLocked(cs, inputContext, missingMethods, attribute, controlFlags);
                }
                return null;
            }
            mCurFocusedWindow = windowToken;
            mCurFocusedWindowClient = cs;
            // Should we auto-show the IME even if the caller has not
            // specified what should be done with it?
            // We only do this automatically if the window can resize
            // to accommodate the IME (so what the user sees will give
            // them good context without input information being obscured
            // by the IME) or if running on a large screen where there
            // is more room for the target window + IME.
            final boolean doAutoShow = (softInputMode & WindowManager.LayoutParams.SOFT_INPUT_MASK_ADJUST) == WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE || mRes.getConfiguration().isLayoutSizeAtLeast(Configuration.SCREENLAYOUT_SIZE_LARGE);
            final boolean isTextEditor = (controlFlags & InputMethodManager.CONTROL_WINDOW_IS_TEXT_EDITOR) != 0;
            // We want to start input before showing the IME, but after closing
            // it.  We want to do this after closing it to help the IME disappear
            // more quickly (not get stuck behind it initializing itself for the
            // new focused input, even if its window wants to hide the IME).
            boolean didStart = false;
            switch(softInputMode & WindowManager.LayoutParams.SOFT_INPUT_MASK_STATE) {
                case WindowManager.LayoutParams.SOFT_INPUT_STATE_UNSPECIFIED:
                    if (!isTextEditor || !doAutoShow) {
                        if (WindowManager.LayoutParams.mayUseInputMethod(windowFlags)) {
                            // soft input window if it is shown.
                            if (DEBUG)
                                Slog.v(TAG, "Unspecified window will hide input");
                            hideCurrentInputLocked(InputMethodManager.HIDE_NOT_ALWAYS, null);
                        }
                    } else if (isTextEditor && doAutoShow && (softInputMode & WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION) != 0) {
                        // is more room for the target window + IME.
                        if (DEBUG)
                            Slog.v(TAG, "Unspecified window will show input");
                        if (attribute != null) {
                            res = startInputUncheckedLocked(cs, inputContext, missingMethods, attribute, controlFlags);
                            didStart = true;
                        }
                        showCurrentInputLocked(InputMethodManager.SHOW_IMPLICIT, null);
                    }
                    break;
                case WindowManager.LayoutParams.SOFT_INPUT_STATE_UNCHANGED:
                    // Do nothing.
                    break;
                case WindowManager.LayoutParams.SOFT_INPUT_STATE_HIDDEN:
                    if ((softInputMode & WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION) != 0) {
                        if (DEBUG)
                            Slog.v(TAG, "Window asks to hide input going forward");
                        hideCurrentInputLocked(0, null);
                    }
                    break;
                case WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_HIDDEN:
                    if (DEBUG)
                        Slog.v(TAG, "Window asks to hide input");
                    hideCurrentInputLocked(0, null);
                    break;
                case WindowManager.LayoutParams.SOFT_INPUT_STATE_VISIBLE:
                    if ((softInputMode & WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION) != 0) {
                        if (DEBUG)
                            Slog.v(TAG, "Window asks to show input going forward");
                        if (attribute != null) {
                            res = startInputUncheckedLocked(cs, inputContext, missingMethods, attribute, controlFlags);
                            didStart = true;
                        }
                        showCurrentInputLocked(InputMethodManager.SHOW_IMPLICIT, null);
                    }
                    break;
                case WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_VISIBLE:
                    if (DEBUG)
                        Slog.v(TAG, "Window asks to always show input");
                    if (attribute != null) {
                        res = startInputUncheckedLocked(cs, inputContext, missingMethods, attribute, controlFlags);
                        didStart = true;
                    }
                    showCurrentInputLocked(InputMethodManager.SHOW_IMPLICIT, null);
                    break;
            }
            if (!didStart && attribute != null) {
                res = startInputUncheckedLocked(cs, inputContext, missingMethods, attribute, controlFlags);
            }
        }
    } finally {
        Binder.restoreCallingIdentity(ident);
    }
    return res;
}

Example 15 with InputBindResult

use of com.android.internal.view.InputBindResult in project android_frameworks_base by crdroidandroid.

the class InputMethodManagerService method onSessionCreated.

void onSessionCreated(IInputMethod method, IInputMethodSession session, InputChannel channel) {
    synchronized (mMethodMap) {
        if (mCurMethod != null && method != null && mCurMethod.asBinder() == method.asBinder()) {
            if (mCurClient != null) {
                clearClientSessionLocked(mCurClient);
                mCurClient.curSession = new SessionState(mCurClient, method, session, channel);
                InputBindResult res = attachNewInputLocked(true);
                if (res.method != null) {
                    executeOrSendMessage(mCurClient.client, mCaller.obtainMessageOO(MSG_BIND_CLIENT, mCurClient.client, res));
                }
                return;
            }
        }
    }
    // Session abandoned.  Close its associated input channel.
    channel.dispose();
}