Method edtLoopImpl

CodenameOne/src/com/codename1/ui/Display.java:1171–1278

()

    /// Implementation of the event dispatch loop content
    void edtLoopImpl() {
        try {
            // transitions shouldn't be bound by framerate
            if (animationQueue == null || animationQueue.isEmpty()) {
                // prevents us from waking up the EDT too much and
                // thus exhausting the systems resources. The + 1
                // prevents us from ever waiting 0 milliseconds which
                // is the same as waiting with no time limit
                if (!noSleep) {
                    synchronized (lock) {
                        impl.edtIdle(true);
                        long waitTime = Math.max(1, framerateLock - (time));
                        long end = System.currentTimeMillis() + waitTime;
                        while (true) {
                            long remaining = end - System.currentTimeMillis();
                            if (remaining <= 0) {
                                break;
                            }
                            try {
                                lock.wait(remaining);
                                break;
                            } catch (InterruptedException ie) {
                                Thread.currentThread().interrupt();
                                break;
                            }
                        }
                        impl.edtIdle(false);
                    }
                }
            } else {
                // paint transition or intro animations and don't do anything else if such
                // animations are in progress...
                paintTransitionAnimation();
                return;
            }
        } catch (RuntimeException ignor) {
            Log.e(ignor);
        }
        long currentTime = System.currentTimeMillis();

        // minimal amount of sync, just flipping the stack pointers
        synchronized (lock) {
            inputEventStackPointerTmp = inputEventStackPointer;
            inputEventStackPointer = 0;
            lastDragOffset = -1;
            int[] qt = inputEventStackTmp;
            inputEventStackTmp = inputEventStack;

            // We have a special flag here for a case where the input event stack might still be processing this can
            // happen if an event callback calls something like invokeAndBlock while processing and might reach
            // this code again
            if (qt[qt.length - 1] == Integer.MAX_VALUE) {
                inputEventStack = new int[qt.length];
            } else {
                inputEventStack = qt;
                qt[qt.length - 1] = 0;
            }
        }