Merge 5f0ebad29dc7a460445c6130baf1a78ebfa798b6 on remote branch (001e968e) · Commits · e / os / android_packages_inputmethods_LatinIME

java/src/com/android/inputmethod/keyboard/emoji/EmojiPalettesView.java

+84 −7

Original line number	Diff line number	Diff line
		@@ -22,6 +22,7 @@ import android.content.Context;
		import android.content.res.Resources;
		import android.content.res.TypedArray;
		import android.graphics.Color;
		import android.os.CountDownTimer;
		import android.preference.PreferenceManager;
		import android.support.v4.view.ViewPager;
		import android.util.AttributeSet;
		@@ -50,7 +51,7 @@ import com.android.inputmethod.latin.R;
		import com.android.inputmethod.latin.RichInputMethodSubtype;
		import com.android.inputmethod.latin.common.Constants;
		import com.android.inputmethod.latin.utils.ResourceUtils;

		import java.util.concurrent.TimeUnit;
		/**
		* View class to implement Emoji palettes.
		* The Emoji keyboard consists of group of views layout/emoji_palettes_view.
		@@ -129,7 +130,7 @@ public final class EmojiPalettesView extends LinearLayout implements OnTabChange
		mCategoryPageIndicatorBackground = emojiPalettesViewAttr.getColor(
		R.styleable.EmojiPalettesView_categoryPageIndicatorBackground, 0);
		emojiPalettesViewAttr.recycle();
		mDeleteKeyOnTouchListener = new DeleteKeyOnTouchListener();
		mDeleteKeyOnTouchListener = new DeleteKeyOnTouchListener(context);
		}

		@Override
		@@ -437,9 +438,46 @@ public final class EmojiPalettesView extends LinearLayout implements OnTabChange
		}

		private static class DeleteKeyOnTouchListener implements OnTouchListener {
		static final long MAX_REPEAT_COUNT_TIME = TimeUnit.SECONDS.toMillis(30);
		final long mKeyRepeatStartTimeout;
		final long mKeyRepeatInterval;

		public DeleteKeyOnTouchListener(Context context) {
		final Resources res = context.getResources();
		mKeyRepeatStartTimeout = res.getInteger(R.integer.config_key_repeat_start_timeout);
		mKeyRepeatInterval = res.getInteger(R.integer.config_key_repeat_interval);
		mTimer = new CountDownTimer(MAX_REPEAT_COUNT_TIME, mKeyRepeatInterval) {
		@Override
		public void onTick(long millisUntilFinished) {
		final long elapsed = MAX_REPEAT_COUNT_TIME - millisUntilFinished;
		if (elapsed < mKeyRepeatStartTimeout) {
		return;
		}
		onKeyRepeat();
		}

		@Override
		public void onFinish() {
		onKeyRepeat();
		}
		};
		}

		/** Key-repeat state. */
		private static final int KEY_REPEAT_STATE_INITIALIZED = 0;
		// The key is touched but auto key-repeat is not started yet.
		private static final int KEY_REPEAT_STATE_KEY_DOWN = 1;
		// At least one key-repeat event has already been triggered and the key is not released.
		private static final int KEY_REPEAT_STATE_KEY_REPEAT = 2;

		private KeyboardActionListener mKeyboardActionListener =
		KeyboardActionListener.EMPTY_LISTENER;

		// TODO: Do the same things done in PointerTracker
		private final CountDownTimer mTimer;
		private int mState = KEY_REPEAT_STATE_INITIALIZED;
		private int mRepeatCount = 0;

		public void setKeyboardActionListener(final KeyboardActionListener listener) {
		mKeyboardActionListener = listener;
		}
		@@ -466,21 +504,60 @@ public final class EmojiPalettesView extends LinearLayout implements OnTabChange
		return false;
		}

		private void handleKeyDown() {
		mKeyboardActionListener.onPressKey(
		Constants.CODE_DELETE, mRepeatCount, true /* isSinglePointer */);
		}

		private void handleKeyUp() {
		mKeyboardActionListener.onCodeInput(Constants.CODE_DELETE,
		NOT_A_COORDINATE, NOT_A_COORDINATE, false /* isKeyRepeat */);
		mKeyboardActionListener.onReleaseKey(
		Constants.CODE_DELETE, false /* withSliding */);
		++mRepeatCount;
		}

		private void onTouchDown(final View v) {
		mKeyboardActionListener.onPressKey(Constants.CODE_DELETE,
		0 /* repeatCount /, true / isSinglePointer */);
		mTimer.cancel();
		mRepeatCount = 0;
		handleKeyDown();
		v.setPressed(true /* pressed */);
		mState = KEY_REPEAT_STATE_KEY_DOWN;
		mTimer.start();
		}

		private void onTouchUp(final View v) {
		mKeyboardActionListener.onCodeInput(Constants.CODE_DELETE,
		NOT_A_COORDINATE, NOT_A_COORDINATE, false /* isKeyRepeat */);
		mKeyboardActionListener.onReleaseKey(Constants.CODE_DELETE, false /* withSliding */);
		mTimer.cancel();
		if (mState == KEY_REPEAT_STATE_KEY_DOWN) {
		handleKeyUp();
		}
		v.setPressed(false /* pressed */);
		mState = KEY_REPEAT_STATE_INITIALIZED;
		}

		private void onTouchCanceled(final View v) {
		mTimer.cancel();
		v.setBackgroundColor(Color.TRANSPARENT);
		mState = KEY_REPEAT_STATE_INITIALIZED;
		}

		// Called by {@link #mTimer} in the UI thread as an auto key-repeat signal.
		void onKeyRepeat() {
		switch (mState) {
		case KEY_REPEAT_STATE_INITIALIZED:
		// Basically this should not happen.
		break;
		case KEY_REPEAT_STATE_KEY_DOWN:
		// Do not call {@link #handleKeyDown} here because it has already been called
		// in {@link #onTouchDown}.
		handleKeyUp();
		mState = KEY_REPEAT_STATE_KEY_REPEAT;
		break;
		case KEY_REPEAT_STATE_KEY_REPEAT:
		handleKeyDown();
		handleKeyUp();
		break;
		}
		}
		}
		}
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