Separate inner classes of KeyboardView out under internal package
Change-Id: I6d53b53526bbab951044a026476bd88a9ebd5a90
diff --git a/java/src/com/android/inputmethod/keyboard/KeyboardView.java b/java/src/com/android/inputmethod/keyboard/KeyboardView.java
index c37285c..1e5ca9b 100644
--- a/java/src/com/android/inputmethod/keyboard/KeyboardView.java
+++ b/java/src/com/android/inputmethod/keyboard/KeyboardView.java
@@ -38,12 +38,13 @@
import android.view.ViewGroup;
import android.widget.TextView;
+import com.android.inputmethod.keyboard.internal.KeyDrawParams;
+import com.android.inputmethod.keyboard.internal.KeyPreviewDrawParams;
import com.android.inputmethod.keyboard.internal.PreviewPlacerView;
import com.android.inputmethod.latin.CollectionUtils;
import com.android.inputmethod.latin.Constants;
import com.android.inputmethod.latin.LatinImeLogger;
import com.android.inputmethod.latin.R;
-import com.android.inputmethod.latin.ResourceUtils;
import com.android.inputmethod.latin.StaticInnerHandlerWrapper;
import com.android.inputmethod.latin.StringUtils;
import com.android.inputmethod.latin.define.ProductionFlag;
@@ -179,224 +180,6 @@
}
}
- // Move this class to internal package
- protected static class KeyDrawParams {
- // XML attributes
- public final int mKeyTextColor;
- public final int mKeyTextInactivatedColor;
- public final float mKeyLabelHorizontalPadding;
- public final float mKeyHintLetterPadding;
- public final float mKeyPopupHintLetterPadding;
- public final float mKeyShiftedLetterHintPadding;
- public final int mKeyTextShadowColor;
- public final float mKeyTextShadowRadius;
- public final Drawable mKeyBackground;
- public final int mKeyHintLetterColor;
- public final int mKeyHintLabelColor;
- public final int mKeyShiftedLetterHintInactivatedColor;
- public final int mKeyShiftedLetterHintActivatedColor;
-
- private final Typeface mKeyTypefaceFromKeyboardView;
- private final float mKeyLetterRatio;
- private final int mKeyLetterSizeFromKeyboardView;
- private final float mKeyLargeLetterRatio;
- private final float mKeyLabelRatio;
- private final float mKeyLargeLabelRatio;
- private final float mKeyHintLetterRatio;
- private final float mKeyShiftedLetterHintRatio;
- private final float mKeyHintLabelRatio;
-
- public final Rect mPadding = new Rect();
- public Typeface mKeyTypeface;
- public int mKeyLetterSize;
- public int mKeyLargeLetterSize;
- public int mKeyLabelSize;
- public int mKeyLargeLabelSize;
- public int mKeyHintLetterSize;
- public int mKeyShiftedLetterHintSize;
- public int mKeyHintLabelSize;
- public int mAnimAlpha;
-
- public KeyDrawParams(final TypedArray keyboardViewAttr, final TypedArray keyAttr) {
- mKeyBackground = keyboardViewAttr.getDrawable(R.styleable.KeyboardView_keyBackground);
- mKeyBackground.getPadding(mPadding);
-
- mKeyLetterRatio = ResourceUtils.getFraction(keyAttr,
- R.styleable.Keyboard_Key_keyLetterSize);
- mKeyLetterSizeFromKeyboardView = ResourceUtils.getDimensionPixelSize(keyAttr,
- R.styleable.Keyboard_Key_keyLetterSize);
- mKeyLabelRatio = ResourceUtils.getFraction(keyAttr,
- R.styleable.Keyboard_Key_keyLabelSize);
- mKeyLabelSize = ResourceUtils.getDimensionPixelSize(keyAttr,
- R.styleable.Keyboard_Key_keyLabelSize);
- mKeyLargeLabelRatio = ResourceUtils.getFraction(keyAttr,
- R.styleable.Keyboard_Key_keyLargeLabelRatio);
- mKeyLargeLetterRatio = ResourceUtils.getFraction(keyAttr,
- R.styleable.Keyboard_Key_keyLargeLetterRatio);
- mKeyHintLetterRatio = ResourceUtils.getFraction(keyAttr,
- R.styleable.Keyboard_Key_keyHintLetterRatio);
- mKeyShiftedLetterHintRatio = ResourceUtils.getFraction(keyAttr,
- R.styleable.Keyboard_Key_keyShiftedLetterHintRatio);
- mKeyHintLabelRatio = ResourceUtils.getFraction(keyAttr,
- R.styleable.Keyboard_Key_keyHintLabelRatio);
- mKeyLabelHorizontalPadding = keyAttr.getDimension(
- R.styleable.Keyboard_Key_keyLabelHorizontalPadding, 0);
- mKeyHintLetterPadding = keyAttr.getDimension(
- R.styleable.Keyboard_Key_keyHintLetterPadding, 0);
- mKeyPopupHintLetterPadding = keyAttr.getDimension(
- R.styleable.Keyboard_Key_keyPopupHintLetterPadding, 0);
- mKeyShiftedLetterHintPadding = keyAttr.getDimension(
- R.styleable.Keyboard_Key_keyShiftedLetterHintPadding, 0);
- mKeyTextColor = keyAttr.getColor(
- R.styleable.Keyboard_Key_keyTextColor, Color.WHITE);
- mKeyTextInactivatedColor = keyAttr.getColor(
- R.styleable.Keyboard_Key_keyTextInactivatedColor, Color.WHITE);
- mKeyHintLetterColor = keyAttr.getColor(
- R.styleable.Keyboard_Key_keyHintLetterColor, Color.TRANSPARENT);
- mKeyHintLabelColor = keyAttr.getColor(
- R.styleable.Keyboard_Key_keyHintLabelColor, Color.TRANSPARENT);
- mKeyShiftedLetterHintInactivatedColor = keyAttr.getColor(
- R.styleable.Keyboard_Key_keyShiftedLetterHintInactivatedColor,
- Color.TRANSPARENT);
- mKeyShiftedLetterHintActivatedColor = keyAttr.getColor(
- R.styleable.Keyboard_Key_keyShiftedLetterHintActivatedColor, Color.TRANSPARENT);
- mKeyTypefaceFromKeyboardView = Typeface.defaultFromStyle(
- keyAttr.getInt(R.styleable.Keyboard_Key_keyTypeface, Typeface.NORMAL));
- mKeyTextShadowColor = keyAttr.getColor(
- R.styleable.Keyboard_Key_keyTextShadowColor, Color.TRANSPARENT);
- mKeyTextShadowRadius = keyAttr.getFloat(
- R.styleable.Keyboard_Key_keyTextShadowRadius, 0f);
- }
-
- public void updateParams(final Keyboard keyboard) {
- mKeyTypeface = (keyboard.mKeyTypeface != null)
- ? keyboard.mKeyTypeface : mKeyTypefaceFromKeyboardView;
- final int keyHeight = keyboard.mMostCommonKeyHeight - keyboard.mVerticalGap;
- mKeyLetterSize = selectTextSizeFromDimensionOrRatio(keyHeight,
- mKeyLetterSizeFromKeyboardView, mKeyLetterRatio,
- mKeyLetterSizeFromKeyboardView);
- // Override if size/ratio is specified in Keyboard.
- mKeyLetterSize = selectTextSizeFromDimensionOrRatio(keyHeight, keyboard.mKeyLetterSize,
- keyboard.mKeyLetterRatio, mKeyLetterSize);
- if (ResourceUtils.isValidFraction(mKeyLabelRatio)) {
- mKeyLabelSize = (int)(keyHeight * mKeyLabelRatio);
- }
- mKeyLargeLabelSize = (int)(keyHeight * mKeyLargeLabelRatio);
- mKeyLargeLetterSize = (int)(keyHeight * mKeyLargeLetterRatio);
- mKeyHintLetterSize = selectTextSizeFromKeyboardOrView(keyHeight,
- keyboard.mKeyHintLetterRatio, mKeyHintLetterRatio);
- mKeyShiftedLetterHintSize = selectTextSizeFromKeyboardOrView(keyHeight,
- keyboard.mKeyShiftedLetterHintRatio, mKeyShiftedLetterHintRatio);
- mKeyHintLabelSize = (int)(keyHeight * mKeyHintLabelRatio);
- }
-
- private static final int selectTextSizeFromDimensionOrRatio(final int keyHeight,
- final int dimens, final float ratio, final int defaultDimens) {
- if (ResourceUtils.isValidDimensionPixelSize(dimens)) {
- return dimens;
- }
- if (ResourceUtils.isValidFraction(ratio)) {
- return (int)(keyHeight * ratio);
- }
- return defaultDimens;
- }
-
- private static final int selectTextSizeFromKeyboardOrView(final int keyHeight,
- final float ratioFromKeyboard, final float ratioFromView) {
- final float ratio = ResourceUtils.isValidFraction(ratioFromKeyboard)
- ? ratioFromKeyboard : ratioFromView;
- return (int)(keyHeight * ratio);
- }
-
- public void blendAlpha(final Paint paint) {
- final int color = paint.getColor();
- paint.setARGB((paint.getAlpha() * mAnimAlpha) / Constants.Color.ALPHA_OPAQUE,
- Color.red(color), Color.green(color), Color.blue(color));
- }
- }
-
- // TODO: Move this class to internal package.
- /* package */ static class KeyPreviewDrawParams {
- // XML attributes.
- public final Drawable mPreviewBackground;
- public final Drawable mPreviewLeftBackground;
- public final Drawable mPreviewRightBackground;
- public final int mPreviewTextColor;
- public final int mPreviewOffset;
- public final int mPreviewHeight;
- public final int mLingerTimeout;
-
- private final float mPreviewTextRatio;
-
- // The graphical geometry of the key preview.
- // <-width->
- // +-------+ ^
- // | | |
- // |preview| height (visible)
- // | | |
- // + + ^ v
- // \ / |offset
- // +-\ /-+ v
- // | +-+ |
- // |parent |
- // | key|
- // +-------+
- // The background of a {@link TextView} being used for a key preview may have invisible
- // paddings. To align the more keys keyboard panel's visible part with the visible part of
- // the background, we need to record the width and height of key preview that don't include
- // invisible paddings.
- public int mPreviewVisibleWidth;
- public int mPreviewVisibleHeight;
- // The key preview may have an arbitrary offset and its background that may have a bottom
- // padding. To align the more keys keyboard and the key preview we also need to record the
- // offset between the top edge of parent key and the bottom of the visible part of key
- // preview background.
- public int mPreviewVisibleOffset;
-
- public Typeface mKeyTypeface;
- public int mPreviewTextSize;
- public int mKeyLetterSize;
- public final int[] mCoordinates = new int[2];
-
- private static final int PREVIEW_ALPHA = 240;
-
- public KeyPreviewDrawParams(final TypedArray keyboardViewAttr, final TypedArray keyAttr) {
- mPreviewBackground = keyboardViewAttr.getDrawable(
- R.styleable.KeyboardView_keyPreviewBackground);
- mPreviewLeftBackground = keyboardViewAttr.getDrawable(
- R.styleable.KeyboardView_keyPreviewLeftBackground);
- mPreviewRightBackground = keyboardViewAttr.getDrawable(
- R.styleable.KeyboardView_keyPreviewRightBackground);
- setAlpha(mPreviewBackground, PREVIEW_ALPHA);
- setAlpha(mPreviewLeftBackground, PREVIEW_ALPHA);
- setAlpha(mPreviewRightBackground, PREVIEW_ALPHA);
- mPreviewOffset = keyboardViewAttr.getDimensionPixelOffset(
- R.styleable.KeyboardView_keyPreviewOffset, 0);
- mPreviewHeight = keyboardViewAttr.getDimensionPixelSize(
- R.styleable.KeyboardView_keyPreviewHeight, 80);
- mLingerTimeout = keyboardViewAttr.getInt(
- R.styleable.KeyboardView_keyPreviewLingerTimeout, 0);
-
- mPreviewTextRatio = ResourceUtils.getFraction(keyAttr,
- R.styleable.Keyboard_Key_keyPreviewTextRatio);
- mPreviewTextColor = keyAttr.getColor(R.styleable.Keyboard_Key_keyPreviewTextColor, 0);
- }
-
- public void updateParams(final Keyboard keyboard, final KeyDrawParams keyDrawParams) {
- final int keyHeight = keyboard.mMostCommonKeyHeight - keyboard.mVerticalGap;
- if (ResourceUtils.isValidFraction(mPreviewTextRatio)) {
- mPreviewTextSize = (int)(keyHeight * mPreviewTextRatio);
- }
- mKeyLetterSize = keyDrawParams.mKeyLetterSize;
- mKeyTypeface = keyDrawParams.mKeyTypeface;
- }
-
- private static void setAlpha(final Drawable drawable, final int alpha) {
- if (drawable == null) return;
- drawable.setAlpha(alpha);
- }
- }
-
public KeyboardView(Context context, AttributeSet attrs) {
this(context, attrs, R.attr.keyboardViewStyle);
}
diff --git a/java/src/com/android/inputmethod/keyboard/MainKeyboardView.java b/java/src/com/android/inputmethod/keyboard/MainKeyboardView.java
index e8e6c15..2da2f6d 100644
--- a/java/src/com/android/inputmethod/keyboard/MainKeyboardView.java
+++ b/java/src/com/android/inputmethod/keyboard/MainKeyboardView.java
@@ -43,6 +43,7 @@
import com.android.inputmethod.accessibility.AccessibleKeyboardViewProxy;
import com.android.inputmethod.keyboard.PointerTracker.DrawingProxy;
import com.android.inputmethod.keyboard.PointerTracker.TimerProxy;
+import com.android.inputmethod.keyboard.internal.KeyDrawParams;
import com.android.inputmethod.keyboard.internal.SuddenJumpingTouchEventHandler;
import com.android.inputmethod.latin.Constants;
import com.android.inputmethod.latin.LatinIME;
diff --git a/java/src/com/android/inputmethod/keyboard/internal/KeyDrawParams.java b/java/src/com/android/inputmethod/keyboard/internal/KeyDrawParams.java
new file mode 100644
index 0000000..971020b
--- /dev/null
+++ b/java/src/com/android/inputmethod/keyboard/internal/KeyDrawParams.java
@@ -0,0 +1,163 @@
+/*
+ * Copyright (C) 2012 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.inputmethod.keyboard.internal;
+
+import android.content.res.TypedArray;
+import android.graphics.Color;
+import android.graphics.Paint;
+import android.graphics.Rect;
+import android.graphics.Typeface;
+import android.graphics.drawable.Drawable;
+
+import com.android.inputmethod.keyboard.Keyboard;
+import com.android.inputmethod.latin.Constants;
+import com.android.inputmethod.latin.R;
+import com.android.inputmethod.latin.ResourceUtils;
+
+public class KeyDrawParams {
+ // XML attributes
+ public final int mKeyTextColor;
+ public final int mKeyTextInactivatedColor;
+ public final float mKeyLabelHorizontalPadding;
+ public final float mKeyHintLetterPadding;
+ public final float mKeyPopupHintLetterPadding;
+ public final float mKeyShiftedLetterHintPadding;
+ public final int mKeyTextShadowColor;
+ public final float mKeyTextShadowRadius;
+ public final Drawable mKeyBackground;
+ public final int mKeyHintLetterColor;
+ public final int mKeyHintLabelColor;
+ public final int mKeyShiftedLetterHintInactivatedColor;
+ public final int mKeyShiftedLetterHintActivatedColor;
+
+ private final Typeface mKeyTypefaceFromKeyboardView;
+ private final float mKeyLetterRatio;
+ private final int mKeyLetterSizeFromKeyboardView;
+ private final float mKeyLargeLetterRatio;
+ private final float mKeyLabelRatio;
+ private final float mKeyLargeLabelRatio;
+ private final float mKeyHintLetterRatio;
+ private final float mKeyShiftedLetterHintRatio;
+ private final float mKeyHintLabelRatio;
+
+ public final Rect mPadding = new Rect();
+ public Typeface mKeyTypeface;
+ public int mKeyLetterSize;
+ public int mKeyLargeLetterSize;
+ public int mKeyLabelSize;
+ public int mKeyLargeLabelSize;
+ public int mKeyHintLetterSize;
+ public int mKeyShiftedLetterHintSize;
+ public int mKeyHintLabelSize;
+ public int mAnimAlpha;
+
+ public KeyDrawParams(final TypedArray keyboardViewAttr, final TypedArray keyAttr) {
+ mKeyBackground = keyboardViewAttr.getDrawable(R.styleable.KeyboardView_keyBackground);
+ mKeyBackground.getPadding(mPadding);
+
+ mKeyLetterRatio = ResourceUtils.getFraction(keyAttr,
+ R.styleable.Keyboard_Key_keyLetterSize);
+ mKeyLetterSizeFromKeyboardView = ResourceUtils.getDimensionPixelSize(keyAttr,
+ R.styleable.Keyboard_Key_keyLetterSize);
+ mKeyLabelRatio = ResourceUtils.getFraction(keyAttr,
+ R.styleable.Keyboard_Key_keyLabelSize);
+ mKeyLabelSize = ResourceUtils.getDimensionPixelSize(keyAttr,
+ R.styleable.Keyboard_Key_keyLabelSize);
+ mKeyLargeLabelRatio = ResourceUtils.getFraction(keyAttr,
+ R.styleable.Keyboard_Key_keyLargeLabelRatio);
+ mKeyLargeLetterRatio = ResourceUtils.getFraction(keyAttr,
+ R.styleable.Keyboard_Key_keyLargeLetterRatio);
+ mKeyHintLetterRatio = ResourceUtils.getFraction(keyAttr,
+ R.styleable.Keyboard_Key_keyHintLetterRatio);
+ mKeyShiftedLetterHintRatio = ResourceUtils.getFraction(keyAttr,
+ R.styleable.Keyboard_Key_keyShiftedLetterHintRatio);
+ mKeyHintLabelRatio = ResourceUtils.getFraction(keyAttr,
+ R.styleable.Keyboard_Key_keyHintLabelRatio);
+ mKeyLabelHorizontalPadding = keyAttr.getDimension(
+ R.styleable.Keyboard_Key_keyLabelHorizontalPadding, 0);
+ mKeyHintLetterPadding = keyAttr.getDimension(
+ R.styleable.Keyboard_Key_keyHintLetterPadding, 0);
+ mKeyPopupHintLetterPadding = keyAttr.getDimension(
+ R.styleable.Keyboard_Key_keyPopupHintLetterPadding, 0);
+ mKeyShiftedLetterHintPadding = keyAttr.getDimension(
+ R.styleable.Keyboard_Key_keyShiftedLetterHintPadding, 0);
+ mKeyTextColor = keyAttr.getColor(
+ R.styleable.Keyboard_Key_keyTextColor, Color.WHITE);
+ mKeyTextInactivatedColor = keyAttr.getColor(
+ R.styleable.Keyboard_Key_keyTextInactivatedColor, Color.WHITE);
+ mKeyHintLetterColor = keyAttr.getColor(
+ R.styleable.Keyboard_Key_keyHintLetterColor, Color.TRANSPARENT);
+ mKeyHintLabelColor = keyAttr.getColor(
+ R.styleable.Keyboard_Key_keyHintLabelColor, Color.TRANSPARENT);
+ mKeyShiftedLetterHintInactivatedColor = keyAttr.getColor(
+ R.styleable.Keyboard_Key_keyShiftedLetterHintInactivatedColor, Color.TRANSPARENT);
+ mKeyShiftedLetterHintActivatedColor = keyAttr.getColor(
+ R.styleable.Keyboard_Key_keyShiftedLetterHintActivatedColor, Color.TRANSPARENT);
+ mKeyTypefaceFromKeyboardView = Typeface.defaultFromStyle(
+ keyAttr.getInt(R.styleable.Keyboard_Key_keyTypeface, Typeface.NORMAL));
+ mKeyTextShadowColor = keyAttr.getColor(
+ R.styleable.Keyboard_Key_keyTextShadowColor, Color.TRANSPARENT);
+ mKeyTextShadowRadius = keyAttr.getFloat(
+ R.styleable.Keyboard_Key_keyTextShadowRadius, 0f);
+ }
+
+ public void updateParams(final Keyboard keyboard) {
+ mKeyTypeface = (keyboard.mKeyTypeface != null)
+ ? keyboard.mKeyTypeface : mKeyTypefaceFromKeyboardView;
+ final int keyHeight = keyboard.mMostCommonKeyHeight - keyboard.mVerticalGap;
+ mKeyLetterSize = selectTextSizeFromDimensionOrRatio(keyHeight,
+ mKeyLetterSizeFromKeyboardView, mKeyLetterRatio,
+ mKeyLetterSizeFromKeyboardView);
+ // Override if size/ratio is specified in Keyboard.
+ mKeyLetterSize = selectTextSizeFromDimensionOrRatio(keyHeight, keyboard.mKeyLetterSize,
+ keyboard.mKeyLetterRatio, mKeyLetterSize);
+ if (ResourceUtils.isValidFraction(mKeyLabelRatio)) {
+ mKeyLabelSize = (int)(keyHeight * mKeyLabelRatio);
+ }
+ mKeyLargeLabelSize = (int)(keyHeight * mKeyLargeLabelRatio);
+ mKeyLargeLetterSize = (int)(keyHeight * mKeyLargeLetterRatio);
+ mKeyHintLetterSize = selectTextSizeFromKeyboardOrView(keyHeight,
+ keyboard.mKeyHintLetterRatio, mKeyHintLetterRatio);
+ mKeyShiftedLetterHintSize = selectTextSizeFromKeyboardOrView(keyHeight,
+ keyboard.mKeyShiftedLetterHintRatio, mKeyShiftedLetterHintRatio);
+ mKeyHintLabelSize = (int)(keyHeight * mKeyHintLabelRatio);
+ }
+
+ private static final int selectTextSizeFromDimensionOrRatio(final int keyHeight,
+ final int dimens, final float ratio, final int defaultDimens) {
+ if (ResourceUtils.isValidDimensionPixelSize(dimens)) {
+ return dimens;
+ }
+ if (ResourceUtils.isValidFraction(ratio)) {
+ return (int)(keyHeight * ratio);
+ }
+ return defaultDimens;
+ }
+
+ private static final int selectTextSizeFromKeyboardOrView(final int keyHeight,
+ final float ratioFromKeyboard, final float ratioFromView) {
+ final float ratio = ResourceUtils.isValidFraction(ratioFromKeyboard)
+ ? ratioFromKeyboard : ratioFromView;
+ return (int)(keyHeight * ratio);
+ }
+
+ public void blendAlpha(final Paint paint) {
+ final int color = paint.getColor();
+ paint.setARGB((paint.getAlpha() * mAnimAlpha) / Constants.Color.ALPHA_OPAQUE,
+ Color.red(color), Color.green(color), Color.blue(color));
+ }
+}
diff --git a/java/src/com/android/inputmethod/keyboard/internal/KeyPreviewDrawParams.java b/java/src/com/android/inputmethod/keyboard/internal/KeyPreviewDrawParams.java
new file mode 100644
index 0000000..a3a3850
--- /dev/null
+++ b/java/src/com/android/inputmethod/keyboard/internal/KeyPreviewDrawParams.java
@@ -0,0 +1,106 @@
+/*
+ * Copyright (C) 2012 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.inputmethod.keyboard.internal;
+
+import android.content.res.TypedArray;
+import android.graphics.Typeface;
+import android.graphics.drawable.Drawable;
+
+import com.android.inputmethod.keyboard.Keyboard;
+import com.android.inputmethod.latin.R;
+import com.android.inputmethod.latin.ResourceUtils;
+
+public class KeyPreviewDrawParams {
+ // XML attributes.
+ public final Drawable mPreviewBackground;
+ public final Drawable mPreviewLeftBackground;
+ public final Drawable mPreviewRightBackground;
+ public final int mPreviewTextColor;
+ public final int mPreviewOffset;
+ public final int mPreviewHeight;
+ public final int mLingerTimeout;
+
+ private final float mPreviewTextRatio;
+
+ // The graphical geometry of the key preview.
+ // <-width->
+ // +-------+ ^
+ // | | |
+ // |preview| height (visible)
+ // | | |
+ // + + ^ v
+ // \ / |offset
+ // +-\ /-+ v
+ // | +-+ |
+ // |parent |
+ // | key|
+ // +-------+
+ // The background of a {@link TextView} being used for a key preview may have invisible
+ // paddings. To align the more keys keyboard panel's visible part with the visible part of
+ // the background, we need to record the width and height of key preview that don't include
+ // invisible paddings.
+ public int mPreviewVisibleWidth;
+ public int mPreviewVisibleHeight;
+ // The key preview may have an arbitrary offset and its background that may have a bottom
+ // padding. To align the more keys keyboard and the key preview we also need to record the
+ // offset between the top edge of parent key and the bottom of the visible part of key
+ // preview background.
+ public int mPreviewVisibleOffset;
+
+ public Typeface mKeyTypeface;
+ public int mPreviewTextSize;
+ public int mKeyLetterSize;
+ public final int[] mCoordinates = new int[2];
+
+ private static final int PREVIEW_ALPHA = 240;
+
+ public KeyPreviewDrawParams(final TypedArray keyboardViewAttr, final TypedArray keyAttr) {
+ mPreviewBackground = keyboardViewAttr.getDrawable(
+ R.styleable.KeyboardView_keyPreviewBackground);
+ mPreviewLeftBackground = keyboardViewAttr.getDrawable(
+ R.styleable.KeyboardView_keyPreviewLeftBackground);
+ mPreviewRightBackground = keyboardViewAttr.getDrawable(
+ R.styleable.KeyboardView_keyPreviewRightBackground);
+ setAlpha(mPreviewBackground, PREVIEW_ALPHA);
+ setAlpha(mPreviewLeftBackground, PREVIEW_ALPHA);
+ setAlpha(mPreviewRightBackground, PREVIEW_ALPHA);
+ mPreviewOffset = keyboardViewAttr.getDimensionPixelOffset(
+ R.styleable.KeyboardView_keyPreviewOffset, 0);
+ mPreviewHeight = keyboardViewAttr.getDimensionPixelSize(
+ R.styleable.KeyboardView_keyPreviewHeight, 80);
+ mLingerTimeout = keyboardViewAttr.getInt(
+ R.styleable.KeyboardView_keyPreviewLingerTimeout, 0);
+
+ mPreviewTextRatio = ResourceUtils.getFraction(keyAttr,
+ R.styleable.Keyboard_Key_keyPreviewTextRatio);
+ mPreviewTextColor = keyAttr.getColor(R.styleable.Keyboard_Key_keyPreviewTextColor, 0);
+ }
+
+ public void updateParams(final Keyboard keyboard, final KeyDrawParams keyDrawParams) {
+ final int keyHeight = keyboard.mMostCommonKeyHeight - keyboard.mVerticalGap;
+ if (ResourceUtils.isValidFraction(mPreviewTextRatio)) {
+ mPreviewTextSize = (int)(keyHeight * mPreviewTextRatio);
+ }
+ mKeyLetterSize = keyDrawParams.mKeyLetterSize;
+ mKeyTypeface = keyDrawParams.mKeyTypeface;
+ }
+
+ private static void setAlpha(final Drawable drawable, final int alpha) {
+ if (drawable == null) return;
+ drawable.setAlpha(alpha);
+ }
+}