Implement delete key repeater (9204d115) · Commits · e / os / android_packages_inputmethods_LatinIME

java/res/layout/emoji_keyboard_view.xml

+6 −1

Original line number	Diff line number	Diff line
		@@ -40,7 +40,7 @@
		<TabWidget
		android:id="@android:id/tabs"
		android:layout_width="match_parent"
		android:layout_height="wrap_content"
		android:layout_height="match_parent"
		android:background="@drawable/tab_selected"
		android:divider="@null"
		android:tabStripEnabled="true"
		@@ -61,11 +61,16 @@
		android:visibility="gone" />
		</FrameLayout>
		</TabHost>
		<View
		android:layout_width="2dip"
		android:layout_height="match_parent"
		android:background="@drawable/suggestions_strip_divider" />
		<ImageButton
		android:id="@+id/emoji_keyboard_delete"
		android:layout_width="0dip"
		android:layout_weight="12.5"
		android:layout_height="match_parent"
		android:background="@color/emoji_key_background_color"
		android:src="@drawable/sym_keyboard_delete_holo_dark" />
		</LinearLayout>
		<android.support.v4.view.ViewPager

java/res/values/colors.xml

+4 −0

Original line number	Diff line number	Diff line
		@@ -62,4 +62,8 @@
		<color name="setup_welcome_video_margin_color">#FFCCCCCC</color>
		<color name="emoji_category_page_id_view_background">#FF000000</color>
		<color name="emoji_category_page_id_view_foreground">#80FFFFFF</color>

		<!-- TODO: Color which should be included in the theme -->
		<color name="emoji_key_background_color">#00000000</color>
		<color name="emoji_key_pressed_background_color">#30FFFFFF</color>
		</resources>

java/src/com/android/inputmethod/keyboard/EmojiKeyboardView.java

+94 −3

Original line number	Diff line number	Diff line
		@@ -28,11 +28,13 @@ import android.os.Build;
		import android.preference.PreferenceManager;
		import android.support.v4.view.PagerAdapter;
		import android.support.v4.view.ViewPager;
		import android.text.format.DateUtils;
		import android.util.AttributeSet;
		import android.util.Log;
		import android.util.Pair;
		import android.util.SparseArray;
		import android.view.LayoutInflater;
		import android.view.MotionEvent;
		import android.view.View;
		import android.view.ViewGroup;
		import android.widget.ImageView;
		@@ -76,6 +78,7 @@ public final class EmojiKeyboardView extends LinearLayout implements OnTabChange
		private final int mEmojiFunctionalKeyBackgroundId;
		private final KeyboardLayoutSet mLayoutSet;
		private final ColorStateList mTabLabelColor;
		private final DeleteKeyOnTouchListener mDeleteKeyOnTouchListener;
		private EmojiKeyboardAdapter mEmojiKeyboardAdapter;

		private TabHost mTabHost;
		@@ -395,6 +398,7 @@ public final class EmojiKeyboardView extends LinearLayout implements OnTabChange
		mLayoutSet = builder.build();
		mEmojiCategory = new EmojiCategory(PreferenceManager.getDefaultSharedPreferences(context),
		context.getResources(), builder.build());
		mDeleteKeyOnTouchListener = new DeleteKeyOnTouchListener(context);
		}

		@Override
		@@ -459,11 +463,9 @@ public final class EmojiKeyboardView extends LinearLayout implements OnTabChange
		final LinearLayout actionBar = (LinearLayout)findViewById(R.id.emoji_action_bar);
		emojiLp.setActionBarProperties(actionBar);

		// TODO: Implement auto repeat, using View.OnTouchListener?
		final ImageView deleteKey = (ImageView)findViewById(R.id.emoji_keyboard_delete);
		deleteKey.setBackgroundResource(mEmojiFunctionalKeyBackgroundId);
		deleteKey.setTag(Constants.CODE_DELETE);
		deleteKey.setOnClickListener(this);
		deleteKey.setOnTouchListener(mDeleteKeyOnTouchListener);
		final ImageView alphabetKey = (ImageView)findViewById(R.id.emoji_keyboard_alphabet);
		alphabetKey.setBackgroundResource(mEmojiFunctionalKeyBackgroundId);
		alphabetKey.setTag(Constants.CODE_SWITCH_ALPHA_SYMBOL);
		@@ -556,6 +558,7 @@ public final class EmojiKeyboardView extends LinearLayout implements OnTabChange

		public void setKeyboardActionListener(final KeyboardActionListener listener) {
		mKeyboardActionListener = listener;
		mDeleteKeyOnTouchListener.setKeyboardActionListener(mKeyboardActionListener);
		}

		private void updateEmojiCategoryPageIdView() {
		@@ -665,4 +668,92 @@ public final class EmojiKeyboardView extends LinearLayout implements OnTabChange
		container.removeView(keyboardView);
		}
		}

		// TODO: Do the same things done in PointerTracker
		private static class DeleteKeyOnTouchListener implements OnTouchListener {
		private static final long MAX_REPEAT_COUNT_TIME = 30 * DateUtils.SECOND_IN_MILLIS;
		private final int mDeleteKeyPressedBackgroundColor;
		private final long mKeyRepeatStartTimeout;
		private final long mKeyRepeatInterval;

		public DeleteKeyOnTouchListener(Context context) {
		final Resources res = context.getResources();
		mDeleteKeyPressedBackgroundColor =
		res.getColor(R.color.emoji_key_pressed_background_color);
		mKeyRepeatStartTimeout = res.getInteger(R.integer.config_key_repeat_start_timeout);
		mKeyRepeatInterval = res.getInteger(R.integer.config_key_repeat_interval);
		}

		private KeyboardActionListener mKeyboardActionListener =
		KeyboardActionListener.EMPTY_LISTENER;
		private DummyRepeatKeyRepeatTimer mTimer;

		private synchronized void startRepeat() {
		if (mTimer != null) {
		abortRepeat();
		}
		mTimer = new DummyRepeatKeyRepeatTimer();
		mTimer.start();
		}

		private synchronized void abortRepeat() {
		mTimer.abort();
		mTimer = null;
		}

		// TODO: Remove
		// This function is mimicking the repeat code in PointerTracker.
		// Specifically referring to PointerTracker#startRepeatKey and PointerTracker#onKeyRepeat.
		private class DummyRepeatKeyRepeatTimer extends Thread {
		public boolean mAborted = false;

		@Override
		public void run() {
		int timeCount = 0;
		while (timeCount < MAX_REPEAT_COUNT_TIME && !mAborted) {
		if (timeCount > mKeyRepeatStartTimeout) {
		pressDelete();
		}
		timeCount += mKeyRepeatInterval;
		try {
		Thread.sleep(mKeyRepeatInterval);
		} catch (InterruptedException e) {
		}
		}
		}

		public void abort() {
		mAborted = true;
		}
		}

		public void pressDelete() {
		mKeyboardActionListener.onPressKey(
		Constants.CODE_DELETE, 0 /* repeatCount /, true / isSinglePointer */);
		mKeyboardActionListener.onCodeInput(
		Constants.CODE_DELETE, NOT_A_COORDINATE, NOT_A_COORDINATE);
		mKeyboardActionListener.onReleaseKey(
		Constants.CODE_DELETE, false /* withSliding */);
		}

		public void setKeyboardActionListener(KeyboardActionListener listener) {
		mKeyboardActionListener = listener;
		}

		@Override
		public boolean onTouch(View v, MotionEvent event) {
		switch(event.getAction()) {
		case MotionEvent.ACTION_DOWN:
		v.setBackgroundColor(mDeleteKeyPressedBackgroundColor);
		pressDelete();
		startRepeat();
		return true;
		case MotionEvent.ACTION_UP:
		v.setBackgroundColor(0);
		abortRepeat();
		return true;
		}
		return false;
		}
		}
		}