diff options
Diffstat (limited to 'java/src')
4 files changed, 272 insertions, 219 deletions
diff --git a/java/src/com/android/inputmethod/keyboard/KeyboardView.java b/java/src/com/android/inputmethod/keyboard/KeyboardView.java index c37285c00..1e5ca9bf9 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.View; 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 @@ public class KeyboardView extends View implements PointerTracker.DrawingProxy { } } - // 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 e8e6c1585..2da2f6dc6 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.AccessibilityUtils; 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 000000000..971020bab --- /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 000000000..a3a38507f --- /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); + } +} |