Examples with IDeviceIdleController android.os.IDeviceIdleController used on opensource projects

Example 6 with IDeviceIdleController

use of android.os.IDeviceIdleController in project android_frameworks_base by DirtyUnicorns.

the class PhoneWindowManager method interceptKeyBeforeDispatching.

/** {@inheritDoc} */
@Override
public long interceptKeyBeforeDispatching(WindowState win, KeyEvent event, int policyFlags) {
    final boolean keyguardOn = keyguardOn();
    final int repeatCount = event.getRepeatCount();
    final int metaState = event.getMetaState();
    final int flags = event.getFlags();
    final boolean down = event.getAction() == KeyEvent.ACTION_DOWN;
    final boolean canceled = event.isCanceled();
    final int keyCode = event.getKeyCode();
    final boolean longPress = (flags & KeyEvent.FLAG_LONG_PRESS) != 0;
    final boolean virtualKey = event.getDeviceId() == KeyCharacterMap.VIRTUAL_KEYBOARD;
    if (DEBUG_INPUT) {
        Log.d(TAG, "interceptKeyTi keyCode=" + keyCode + " down=" + down + " repeatCount=" + repeatCount + " keyguardOn=" + keyguardOn + " mHomePressed=" + mHomePressed + " canceled=" + canceled);
    }
    // implementation handle event
    if (mKeyHandler != null && !keyguardOn && !virtualKey) {
        boolean handled = mKeyHandler.handleKeyEvent(win, keyCode, repeatCount, down, canceled, longPress, keyguardOn);
        if (handled)
            return -1;
    }
    // try again later before dispatching.
    if (mScreenshotChordEnabled && (flags & KeyEvent.FLAG_FALLBACK) == 0) {
        if (mVolumeDownKeyTriggered && !mPowerKeyTriggered) {
            final long now = SystemClock.uptimeMillis();
            final long timeoutTime = mVolumeDownKeyTime + SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS;
            if (now < timeoutTime) {
                return timeoutTime - now;
            }
        }
        if (keyCode == KeyEvent.KEYCODE_VOLUME_DOWN && mScreenshotChordVolumeDownKeyConsumed) {
            if (!down) {
                mScreenshotChordVolumeDownKeyConsumed = false;
            }
            return -1;
        }
    }
    // try again later before dispatching.
    if (mScreenrecordChordEnabled && (flags & KeyEvent.FLAG_FALLBACK) == 0) {
        if (mVolumeUpKeyTriggered && !mPowerKeyTriggered) {
            final long now = SystemClock.uptimeMillis();
            final long timeoutTime = mVolumeUpKeyTime + SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS;
            if (now < timeoutTime) {
                return timeoutTime - now;
            }
        }
        if (keyCode == KeyEvent.KEYCODE_VOLUME_UP && mScreenrecordChordVolumeUpKeyConsumed) {
            if (!down) {
                mScreenrecordChordVolumeUpKeyConsumed = false;
            }
            return -1;
        }
    }
    // of the meta key and its corresponding up.
    if (mPendingMetaAction && !KeyEvent.isMetaKey(keyCode)) {
        mPendingMetaAction = false;
    }
    // Any key that is not Alt or Meta cancels Caps Lock combo tracking.
    if (mPendingCapsLockToggle && !KeyEvent.isMetaKey(keyCode) && !KeyEvent.isAltKey(keyCode)) {
        mPendingCapsLockToggle = false;
    }
    // timeout.
    if (keyCode == KeyEvent.KEYCODE_HOME) {
        // while it was pressed, then it is time to go home!
        if (!down) {
            cancelPreloadRecentApps();
            mHomePressed = false;
            if (mHomeConsumed) {
                mHomeConsumed = false;
                return -1;
            }
            if (canceled) {
                Log.i(TAG, "Ignoring HOME; event canceled.");
                return -1;
            }
            // Delay handling home if a double-tap is possible.
            if (mDoubleTapOnHomeBehavior != DOUBLE_TAP_HOME_NOTHING) {
                // just in case
                mHandler.removeCallbacks(mHomeDoubleTapTimeoutRunnable);
                mHomeDoubleTapPending = true;
                mHandler.postDelayed(mHomeDoubleTapTimeoutRunnable, ViewConfiguration.getDoubleTapTimeout());
                return -1;
            }
            handleShortPressOnHome();
            return -1;
        }
        // If a system window has focus, then it doesn't make sense
        // right now to interact with applications.
        WindowManager.LayoutParams attrs = win != null ? win.getAttrs() : null;
        if (attrs != null) {
            final int type = attrs.type;
            if (type == WindowManager.LayoutParams.TYPE_KEYGUARD_SCRIM || type == WindowManager.LayoutParams.TYPE_KEYGUARD_DIALOG || (attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) {
                // the "app" is keyguard, so give it the key
                return 0;
            }
            final int typeCount = WINDOW_TYPES_WHERE_HOME_DOESNT_WORK.length;
            for (int i = 0; i < typeCount; i++) {
                if (type == WINDOW_TYPES_WHERE_HOME_DOESNT_WORK[i]) {
                    // don't do anything, but also don't pass it to the app
                    return -1;
                }
            }
        }
        // Remember that home is pressed and handle special actions.
        if (repeatCount == 0) {
            mHomePressed = true;
            if (mHomeDoubleTapPending) {
                mHomeDoubleTapPending = false;
                mHandler.removeCallbacks(mHomeDoubleTapTimeoutRunnable);
                handleDoubleTapOnHome();
            } else if (mLongPressOnHomeBehavior == LONG_PRESS_HOME_RECENT_SYSTEM_UI || mDoubleTapOnHomeBehavior == DOUBLE_TAP_HOME_RECENT_SYSTEM_UI) {
                preloadRecentApps();
            }
        } else if ((event.getFlags() & KeyEvent.FLAG_LONG_PRESS) != 0) {
            if (!keyguardOn) {
                handleLongPressOnHome(event.getDeviceId());
            }
        }
        return -1;
    } else if (keyCode == KeyEvent.KEYCODE_MENU) {
        // Hijack modified menu keys for debugging features
        final int chordBug = KeyEvent.META_SHIFT_ON;
        if (down && repeatCount == 0) {
            if (mEnableShiftMenuBugReports && (metaState & chordBug) == chordBug) {
                Intent intent = new Intent(Intent.ACTION_BUG_REPORT);
                mContext.sendOrderedBroadcastAsUser(intent, UserHandle.CURRENT, null, null, null, 0, null, null);
                return -1;
            }
        }
    } else if (keyCode == KeyEvent.KEYCODE_SEARCH) {
        if (down) {
            if (repeatCount == 0) {
                mSearchKeyShortcutPending = true;
                mConsumeSearchKeyUp = false;
            }
        } else {
            mSearchKeyShortcutPending = false;
            if (mConsumeSearchKeyUp) {
                mConsumeSearchKeyUp = false;
                return -1;
            }
        }
        return 0;
    } else if (keyCode == KeyEvent.KEYCODE_APP_SWITCH) {
        if (!keyguardOn) {
            if (down && repeatCount == 0) {
                preloadRecentApps();
            } else if (!down) {
                toggleRecentApps();
            }
        }
        return -1;
    } else if (keyCode == KeyEvent.KEYCODE_N && event.isMetaPressed()) {
        if (down) {
            IStatusBarService service = getStatusBarService();
            if (service != null) {
                try {
                    service.expandNotificationsPanel();
                } catch (RemoteException e) {
                // do nothing.
                }
            }
        }
    } else if (keyCode == KeyEvent.KEYCODE_S && event.isMetaPressed() && event.isCtrlPressed()) {
        if (down && repeatCount == 0) {
            int type = (event.isShiftPressed() || Settings.System.getInt(mContext.getContentResolver(), Settings.System.SCREENSHOT_TYPE, 0) == 1) ? TAKE_SCREENSHOT_SELECTED_REGION : TAKE_SCREENSHOT_FULLSCREEN;
            mScreenshotRunnable.setScreenshotType(type);
            mHandler.post(mScreenshotRunnable);
            return -1;
        }
    } else if (keyCode == KeyEvent.KEYCODE_SLASH && event.isMetaPressed()) {
        if (down && repeatCount == 0 && !isKeyguardLocked()) {
            toggleKeyboardShortcutsMenu(event.getDeviceId());
        }
    } else if (keyCode == KeyEvent.KEYCODE_ASSIST) {
        if (down) {
            if (repeatCount == 0) {
                mAssistKeyLongPressed = false;
            } else if (repeatCount == 1) {
                mAssistKeyLongPressed = true;
                if (!keyguardOn) {
                    launchAssistLongPressAction();
                }
            }
        } else {
            if (mAssistKeyLongPressed) {
                mAssistKeyLongPressed = false;
            } else {
                if (!keyguardOn) {
                    launchAssistAction(null, event.getDeviceId());
                }
            }
        }
        return -1;
    } else if (keyCode == KeyEvent.KEYCODE_VOICE_ASSIST) {
        if (!down) {
            Intent voiceIntent;
            if (!keyguardOn) {
                voiceIntent = new Intent(RecognizerIntent.ACTION_WEB_SEARCH);
            } else {
                IDeviceIdleController dic = IDeviceIdleController.Stub.asInterface(ServiceManager.getService(Context.DEVICE_IDLE_CONTROLLER));
                if (dic != null) {
                    try {
                        dic.exitIdle("voice-search");
                    } catch (RemoteException e) {
                    }
                }
                voiceIntent = new Intent(RecognizerIntent.ACTION_VOICE_SEARCH_HANDS_FREE);
                voiceIntent.putExtra(RecognizerIntent.EXTRA_SECURE, true);
            }
            startActivityAsUser(voiceIntent, UserHandle.CURRENT_OR_SELF);
        }
    } else if (keyCode == KeyEvent.KEYCODE_SYSRQ) {
        if (down && repeatCount == 0) {
            if (Settings.System.getInt(mContext.getContentResolver(), Settings.System.SCREENSHOT_TYPE, 0) == 1) {
                mScreenshotRunnable.setScreenshotType(TAKE_SCREENSHOT_SELECTED_REGION);
            } else {
                mScreenshotRunnable.setScreenshotType(TAKE_SCREENSHOT_FULLSCREEN);
            }
            mHandler.post(mScreenshotRunnable);
        }
        return -1;
    } else if (keyCode == KeyEvent.KEYCODE_BRIGHTNESS_UP || keyCode == KeyEvent.KEYCODE_BRIGHTNESS_DOWN) {
        if (down) {
            int direction = keyCode == KeyEvent.KEYCODE_BRIGHTNESS_UP ? 1 : -1;
            // Disable autobrightness if it's on
            int auto = Settings.System.getIntForUser(mContext.getContentResolver(), Settings.System.SCREEN_BRIGHTNESS_MODE, Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL, UserHandle.USER_CURRENT_OR_SELF);
            if (auto != 0) {
                Settings.System.putIntForUser(mContext.getContentResolver(), Settings.System.SCREEN_BRIGHTNESS_MODE, Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL, UserHandle.USER_CURRENT_OR_SELF);
            }
            int min = mPowerManager.getMinimumScreenBrightnessSetting();
            int max = mPowerManager.getMaximumScreenBrightnessSetting();
            int step = (max - min + BRIGHTNESS_STEPS - 1) / BRIGHTNESS_STEPS * direction;
            int brightness = Settings.System.getIntForUser(mContext.getContentResolver(), Settings.System.SCREEN_BRIGHTNESS, mPowerManager.getDefaultScreenBrightnessSetting(), UserHandle.USER_CURRENT_OR_SELF);
            brightness += step;
            // Make sure we don't go beyond the limits.
            brightness = Math.min(max, brightness);
            brightness = Math.max(min, brightness);
            Settings.System.putIntForUser(mContext.getContentResolver(), Settings.System.SCREEN_BRIGHTNESS, brightness, UserHandle.USER_CURRENT_OR_SELF);
            startActivityAsUser(new Intent(Intent.ACTION_SHOW_BRIGHTNESS_DIALOG), UserHandle.CURRENT_OR_SELF);
        }
        return -1;
    } else if (keyCode == KeyEvent.KEYCODE_VOLUME_UP || keyCode == KeyEvent.KEYCODE_VOLUME_DOWN || keyCode == KeyEvent.KEYCODE_VOLUME_MUTE) {
        if (mUseTvRouting) {
            // On TVs volume keys never go to the foreground app.
            dispatchDirectAudioEvent(event);
            return -1;
        }
    }
    // Toggle Caps Lock on META-ALT.
    boolean actionTriggered = false;
    if (KeyEvent.isModifierKey(keyCode)) {
        if (!mPendingCapsLockToggle) {
            // Start tracking meta state for combo.
            mInitialMetaState = mMetaState;
            mPendingCapsLockToggle = true;
        } else if (event.getAction() == KeyEvent.ACTION_UP) {
            int altOnMask = mMetaState & KeyEvent.META_ALT_MASK;
            int metaOnMask = mMetaState & KeyEvent.META_META_MASK;
            // Check for Caps Lock toggle
            if ((metaOnMask != 0) && (altOnMask != 0)) {
                // Check if nothing else is pressed
                if (mInitialMetaState == (mMetaState ^ (altOnMask | metaOnMask))) {
                    // Handle Caps Lock Toggle
                    mInputManagerInternal.toggleCapsLock(event.getDeviceId());
                    actionTriggered = true;
                }
            }
            // Always stop tracking when key goes up.
            mPendingCapsLockToggle = false;
        }
    }
    // Store current meta state to be able to evaluate it later.
    mMetaState = metaState;
    if (actionTriggered) {
        return -1;
    }
    if (KeyEvent.isMetaKey(keyCode)) {
        if (down) {
            mPendingMetaAction = true;
        } else if (mPendingMetaAction) {
            launchAssistAction(Intent.EXTRA_ASSIST_INPUT_HINT_KEYBOARD, event.getDeviceId());
        }
        return -1;
    }
    // shortcut keys (that emit Search+x) and some of them are not registered.
    if (mSearchKeyShortcutPending) {
        final KeyCharacterMap kcm = event.getKeyCharacterMap();
        if (kcm.isPrintingKey(keyCode)) {
            mConsumeSearchKeyUp = true;
            mSearchKeyShortcutPending = false;
            if (down && repeatCount == 0 && !keyguardOn) {
                Intent shortcutIntent = mShortcutManager.getIntent(kcm, keyCode, metaState);
                if (shortcutIntent != null) {
                    shortcutIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
                    try {
                        startActivityAsUser(shortcutIntent, UserHandle.CURRENT);
                        dismissKeyboardShortcutsMenu();
                    } catch (ActivityNotFoundException ex) {
                        Slog.w(TAG, "Dropping shortcut key combination because " + "the activity to which it is registered was not found: " + "SEARCH+" + KeyEvent.keyCodeToString(keyCode), ex);
                    }
                } else {
                    Slog.i(TAG, "Dropping unregistered shortcut key combination: " + "SEARCH+" + KeyEvent.keyCodeToString(keyCode));
                }
            }
            return -1;
        }
    }
    // Invoke shortcuts using Meta.
    if (down && repeatCount == 0 && !keyguardOn && (metaState & KeyEvent.META_META_ON) != 0) {
        final KeyCharacterMap kcm = event.getKeyCharacterMap();
        if (kcm.isPrintingKey(keyCode)) {
            Intent shortcutIntent = mShortcutManager.getIntent(kcm, keyCode, metaState & ~(KeyEvent.META_META_ON | KeyEvent.META_META_LEFT_ON | KeyEvent.META_META_RIGHT_ON));
            if (shortcutIntent != null) {
                shortcutIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
                try {
                    startActivityAsUser(shortcutIntent, UserHandle.CURRENT);
                    dismissKeyboardShortcutsMenu();
                } catch (ActivityNotFoundException ex) {
                    Slog.w(TAG, "Dropping shortcut key combination because " + "the activity to which it is registered was not found: " + "META+" + KeyEvent.keyCodeToString(keyCode), ex);
                }
                return -1;
            }
        }
    }
    // Handle application launch keys.
    if (down && repeatCount == 0 && !keyguardOn) {
        String category = sApplicationLaunchKeyCategories.get(keyCode);
        if (category != null) {
            Intent intent = Intent.makeMainSelectorActivity(Intent.ACTION_MAIN, category);
            intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
            try {
                startActivityAsUser(intent, UserHandle.CURRENT);
                dismissKeyboardShortcutsMenu();
            } catch (ActivityNotFoundException ex) {
                Slog.w(TAG, "Dropping application launch key because " + "the activity to which it is registered was not found: " + "keyCode=" + keyCode + ", category=" + category, ex);
            }
            return -1;
        }
    }
    // Display task switcher for ALT-TAB.
    if (down && repeatCount == 0 && keyCode == KeyEvent.KEYCODE_TAB) {
        if (mRecentAppsHeldModifiers == 0 && !keyguardOn && isUserSetupComplete()) {
            final int shiftlessModifiers = event.getModifiers() & ~KeyEvent.META_SHIFT_MASK;
            if (KeyEvent.metaStateHasModifiers(shiftlessModifiers, KeyEvent.META_ALT_ON)) {
                mRecentAppsHeldModifiers = shiftlessModifiers;
                showRecentApps(true, false);
                return -1;
            }
        }
    } else if (!down && mRecentAppsHeldModifiers != 0 && (metaState & mRecentAppsHeldModifiers) == 0) {
        mRecentAppsHeldModifiers = 0;
        hideRecentApps(true, false);
    }
    // Handle input method switching.
    if (down && repeatCount == 0 && (keyCode == KeyEvent.KEYCODE_LANGUAGE_SWITCH || (keyCode == KeyEvent.KEYCODE_SPACE && (metaState & KeyEvent.META_META_MASK) != 0))) {
        final boolean forwardDirection = (metaState & KeyEvent.META_SHIFT_MASK) == 0;
        mWindowManagerFuncs.switchInputMethod(forwardDirection);
        return -1;
    }
    if (mLanguageSwitchKeyPressed && !down && (keyCode == KeyEvent.KEYCODE_LANGUAGE_SWITCH || keyCode == KeyEvent.KEYCODE_SPACE)) {
        mLanguageSwitchKeyPressed = false;
        return -1;
    }
    if (isValidGlobalKey(keyCode) && mGlobalKeyManager.handleGlobalKey(mContext, keyCode, event)) {
        return -1;
    }
    // Specific device key handling
    if (mDeviceKeyHandler != null) {
        try {
            // The device only should consume known keys.
            if (mDeviceKeyHandler.handleKeyEvent(event)) {
                return -1;
            }
        } catch (Exception e) {
            Slog.w(TAG, "Could not dispatch event to device key handler", e);
        }
    }
    if (down) {
        long shortcutCode = keyCode;
        if (event.isCtrlPressed()) {
            shortcutCode |= ((long) KeyEvent.META_CTRL_ON) << Integer.SIZE;
        }
        if (event.isAltPressed()) {
            shortcutCode |= ((long) KeyEvent.META_ALT_ON) << Integer.SIZE;
        }
        if (event.isShiftPressed()) {
            shortcutCode |= ((long) KeyEvent.META_SHIFT_ON) << Integer.SIZE;
        }
        if (event.isMetaPressed()) {
            shortcutCode |= ((long) KeyEvent.META_META_ON) << Integer.SIZE;
        }
        IShortcutService shortcutService = mShortcutKeyServices.get(shortcutCode);
        if (shortcutService != null) {
            try {
                if (isUserSetupComplete()) {
                    shortcutService.notifyShortcutKeyPressed(shortcutCode);
                }
            } catch (RemoteException e) {
                mShortcutKeyServices.delete(shortcutCode);
            }
            return -1;
        }
    }
    // Reserve all the META modifier combos for system behavior
    if ((metaState & KeyEvent.META_META_ON) != 0) {
        return -1;
    }
    // Let the application handle the key.
    return 0;
}