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Code Issues Actions Packages Projects Releases Wiki Activity

Move PointerTracker.DrawingProxy to MainKeyboardView (step 1)

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Change-Id: I86014de147416453503b6412eb862a2d172426aa
This commit is contained in:
Tadashi G. Takaoka 2013-01-21 15:23:32 +09:00
parent d9449ccf3c
commit 0e4f0da449
6 changed files with 215 additions and 207 deletions
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12
java/res/values/attrs.xml
View File

@ -57,12 +57,6 @@
<attr name="state_left_edge" format="boolean" />
<attr name="state_right_edge" format="boolean" />
<attr name="state_has_morekeys" format="boolean" />
<!-- Vertical offset of the key press feedback from the key. -->
<attr name="keyPreviewOffset" format="dimension" />
<!-- Height of the key press feedback popup. -->
<attr name="keyPreviewHeight" format="dimension" />
<!-- Delay after key releasing and key press feedback dismissing in millisecond -->
<attr name="keyPreviewLingerTimeout" format="integer" />
<!-- Amount to offset the touch Y coordinate by, for bias correction. -->
<attr name="verticalCorrection" format="dimension" />
@ -123,6 +117,12 @@
<attr name="longPressShiftKeyTimeout" format="integer" />
<!-- Ignore special key timeout while typing in millisecond. -->
<attr name="ignoreAltCodeKeyTimeout" format="integer" />
<!-- Vertical offset of the key press feedback from the key. -->
<attr name="keyPreviewOffset" format="dimension" />
<!-- Height of the key press feedback popup. -->
<attr name="keyPreviewHeight" format="dimension" />
<!-- Delay after key releasing and key press feedback dismissing in millisecond -->
<attr name="keyPreviewLingerTimeout" format="integer" />
<!-- Layout resource for more keys keyboard -->
<attr name="moreKeysKeyboardLayout" format="reference" />
<!-- More keys keyboard will shown at touched point. -->

6
java/res/values/styles.xml
View File

@ -55,10 +55,7 @@
<item name="keyShiftedLetterHintPadding">@dimen/key_uppercase_letter_padding</item>
<item name="keyPreviewLayout">@layout/key_preview</item>
<item name="keyPreviewTextColor">@color/key_text_color_default</item>
<item name="keyPreviewOffset">@dimen/key_preview_offset</item>
<item name="keyPreviewHeight">@dimen/key_preview_height</item>
<item name="keyPreviewTextRatio">@fraction/key_preview_text_ratio</item>
<item name="keyPreviewLingerTimeout">@integer/config_key_preview_linger_timeout</item>
<item name="verticalCorrection">@dimen/keyboard_vertical_correction</item>
<item name="keyTextShadowColor">@color/key_text_shadow_color_default</item>
<item name="keyTextShadowRadius">2.75</item>
@ -88,6 +85,9 @@
<item name="longPressKeyTimeout">@integer/config_long_press_key_timeout</item>
<item name="longPressShiftKeyTimeout">@integer/config_long_press_shift_key_timeout</item>
<item name="ignoreAltCodeKeyTimeout">@integer/config_ignore_alt_code_key_timeout</item>
<item name="keyPreviewOffset">@dimen/key_preview_offset</item>
<item name="keyPreviewHeight">@dimen/key_preview_height</item>
<item name="keyPreviewLingerTimeout">@integer/config_key_preview_linger_timeout</item>
<item name="moreKeysKeyboardLayout">@layout/more_keys_keyboard</item>
<item name="showMoreKeysKeyboardAtTouchedPoint">@bool/config_show_more_keys_keyboard_at_touched_point</item>
<item name="languageOnSpacebarFinalAlpha">@integer/config_language_on_spacebar_final_alpha</item>

202
java/src/com/android/inputmethod/keyboard/KeyboardView.java
View File

@ -33,14 +33,12 @@ import android.util.AttributeSet;
import android.util.DisplayMetrics;
import android.util.Log;
import android.util.SparseArray;
import android.util.TypedValue;
import android.view.LayoutInflater;
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.KeyVisualAttributes;
import com.android.inputmethod.keyboard.internal.PreviewPlacerView;
import com.android.inputmethod.latin.CollectionUtils;
@ -49,7 +47,6 @@ import com.android.inputmethod.latin.CoordinateUtils;
import com.android.inputmethod.latin.LatinImeLogger;
import com.android.inputmethod.latin.R;
import com.android.inputmethod.latin.StaticInnerHandlerWrapper;
import com.android.inputmethod.latin.StringUtils;
import com.android.inputmethod.latin.SuggestedWords;
import com.android.inputmethod.latin.define.ProductionFlag;
import com.android.inputmethod.research.ResearchLogger;
@ -61,9 +58,6 @@ import java.util.HashSet;
*
* @attr ref R.styleable#KeyboardView_keyBackground
* @attr ref R.styleable#KeyboardView_keyPreviewLayout
* @attr ref R.styleable#KeyboardView_keyPreviewOffset
* @attr ref R.styleable#KeyboardView_keyPreviewHeight
* @attr ref R.styleable#KeyboardView_keyPreviewLingerTimeout
* @attr ref R.styleable#KeyboardView_keyLabelHorizontalPadding
* @attr ref R.styleable#KeyboardView_keyHintLetterPadding
* @attr ref R.styleable#KeyboardView_keyPopupHintLetterPadding
@ -102,8 +96,7 @@ import java.util.HashSet;
* @attr ref R.styleable#Keyboard_Key_keyShiftedLetterHintActivatedColor
* @attr ref R.styleable#Keyboard_Key_keyPreviewTextColor
*/
// TODO: Move PointerTracker.DrawingProxy to MainKeyboardView
public class KeyboardView extends View implements PointerTracker.DrawingProxy {
public class KeyboardView extends View {
private static final String TAG = KeyboardView.class.getSimpleName();
// XML attributes
@ -139,42 +132,14 @@ public class KeyboardView extends View implements PointerTracker.DrawingProxy {
private final int[] mOriginCoords = CoordinateUtils.newInstance();
// Key preview
private static final int PREVIEW_ALPHA = 240;
private final int mKeyPreviewLayoutId;
private final int mKeyPreviewOffset;
private final int mKeyPreviewHeight;
private final SparseArray<TextView> mKeyPreviewTexts = CollectionUtils.newSparseArray();
protected final KeyPreviewDrawParams mKeyPreviewDrawParams = new KeyPreviewDrawParams();
private boolean mShowKeyPreviewPopup = true;
private int mKeyPreviewLingerTimeout;
// TODO: Move these variable to MainKeyboardView
protected final int mKeyPreviewLayoutId;
protected final SparseArray<TextView> mKeyPreviewTexts = CollectionUtils.newSparseArray();
// Gesture floating preview text
// TODO: Make this parameter customizable by user via settings.
private int mGestureFloatingPreviewTextLingerTimeout;
// Background state set
private static final int[][][] KEY_PREVIEW_BACKGROUND_STATE_TABLE = {
{ // STATE_MIDDLE
EMPTY_STATE_SET,
{ R.attr.state_has_morekeys }
},
{ // STATE_LEFT
{ R.attr.state_left_edge },
{ R.attr.state_left_edge, R.attr.state_has_morekeys }
},
{ // STATE_RIGHT
{ R.attr.state_right_edge },
{ R.attr.state_right_edge, R.attr.state_has_morekeys }
}
};
private static final int STATE_MIDDLE = 0;
private static final int STATE_LEFT = 1;
private static final int STATE_RIGHT = 2;
private static final int STATE_NORMAL = 0;
private static final int STATE_HAS_MOREKEYS = 1;
private static final int[] KEY_PREVIEW_BACKGROUND_DEFAULT_STATE =
KEY_PREVIEW_BACKGROUND_STATE_TABLE[STATE_MIDDLE][STATE_NORMAL];
// Drawing
/** True if the entire keyboard needs to be dimmed. */
private boolean mNeedsToDimEntireKeyboard;
@ -199,7 +164,8 @@ public class KeyboardView extends View implements PointerTracker.DrawingProxy {
private static final char[] KEY_LABEL_REFERENCE_CHAR = { 'M' };
private static final char[] KEY_NUMERIC_HINT_LABEL_REFERENCE_CHAR = { '8' };
private final DrawingHandler mDrawingHandler = new DrawingHandler(this);
// TODO: Move this to MainKeyboardView
protected final DrawingHandler mDrawingHandler = new DrawingHandler(this);
public static class DrawingHandler extends StaticInnerHandlerWrapper<KeyboardView> {
private static final int MSG_DISMISS_KEY_PREVIEW = 0;
@ -259,12 +225,6 @@ public class KeyboardView extends View implements PointerTracker.DrawingProxy {
R.styleable.KeyboardView, defStyle, R.style.KeyboardView);
mKeyBackground = keyboardViewAttr.getDrawable(R.styleable.KeyboardView_keyBackground);
mKeyBackground.getPadding(mKeyBackgroundPadding);
mKeyPreviewOffset = keyboardViewAttr.getDimensionPixelOffset(
R.styleable.KeyboardView_keyPreviewOffset, 0);
mKeyPreviewHeight = keyboardViewAttr.getDimensionPixelSize(
R.styleable.KeyboardView_keyPreviewHeight, 80);
mKeyPreviewLingerTimeout = keyboardViewAttr.getInt(
R.styleable.KeyboardView_keyPreviewLingerTimeout, 0);
mKeyLabelHorizontalPadding = keyboardViewAttr.getDimensionPixelOffset(
R.styleable.KeyboardView_keyLabelHorizontalPadding, 0);
mKeyHintLetterPadding = keyboardViewAttr.getDimension(
@ -277,9 +237,6 @@ public class KeyboardView extends View implements PointerTracker.DrawingProxy {
R.styleable.KeyboardView_keyTextShadowRadius, 0.0f);
mKeyPreviewLayoutId = keyboardViewAttr.getResourceId(
R.styleable.KeyboardView_keyPreviewLayout, 0);
if (mKeyPreviewLayoutId == 0) {
mShowKeyPreviewPopup = false;
}
mVerticalCorrection = keyboardViewAttr.getDimension(
R.styleable.KeyboardView_verticalCorrection, 0);
mBackgroundDimAlpha = keyboardViewAttr.getInt(
@ -329,27 +286,7 @@ public class KeyboardView extends View implements PointerTracker.DrawingProxy {
return mKeyboard;
}
/**
* Enables or disables the key feedback popup. This is a popup that shows a magnified
* version of the depressed key. By default the preview is enabled.
* @param previewEnabled whether or not to enable the key feedback preview
* @param delay the delay after which the preview is dismissed
* @see #isKeyPreviewPopupEnabled()
*/
public void setKeyPreviewPopupEnabled(final boolean previewEnabled, final int delay) {
mShowKeyPreviewPopup = previewEnabled;
mKeyPreviewLingerTimeout = delay;
}
/**
* Returns the enabled state of the key feedback preview
* @return whether or not the key feedback preview is enabled
* @see #setKeyPreviewPopupEnabled(boolean, int)
*/
public boolean isKeyPreviewPopupEnabled() {
return mShowKeyPreviewPopup;
}
// TODO: Move this method to MainKeyboardView
public void setGesturePreviewMode(final boolean drawsGesturePreviewTrail,
final boolean drawsGestureFloatingPreviewText) {
mPreviewPlacerView.setGesturePreviewMode(
@ -458,6 +395,7 @@ public class KeyboardView extends View implements PointerTracker.DrawingProxy {
}
}
// TODO: Move this code block to MainKeyboardView.onDraw
// Overlay a dark rectangle to dim.
if (mNeedsToDimEntireKeyboard) {
paint.setColor(Color.BLACK);
@ -477,6 +415,7 @@ public class KeyboardView extends View implements PointerTracker.DrawingProxy {
mInvalidateAllKeys = false;
}
// TODO: Move this method to MainKeyboardView.
public void dimEntireKeyboard(final boolean dimmed) {
final boolean needsRedrawing = mNeedsToDimEntireKeyboard != dimmed;
mNeedsToDimEntireKeyboard = dimmed;
@ -798,7 +737,8 @@ public class KeyboardView extends View implements PointerTracker.DrawingProxy {
mDrawingHandler.cancelAllMessages();
}
private TextView getKeyPreviewText(final int pointerId) {
// TODO: Move this method to MainKeyboardView.
protected TextView getKeyPreviewText(final int pointerId) {
TextView previewText = mKeyPreviewTexts.get(pointerId);
if (previewText != null) {
return previewText;
@ -813,6 +753,7 @@ public class KeyboardView extends View implements PointerTracker.DrawingProxy {
return previewText;
}
// TODO: Move this method to MainKeyboardView.
private void dismissAllKeyPreviews() {
final int pointerCount = mKeyPreviewTexts.size();
for (int id = 0; id < pointerCount; id++) {
@ -824,18 +765,15 @@ public class KeyboardView extends View implements PointerTracker.DrawingProxy {
PointerTracker.setReleasedKeyGraphicsToAllKeys();
}
@Override
public void dismissKeyPreview(final PointerTracker tracker) {
mDrawingHandler.dismissKeyPreview(mKeyPreviewLingerTimeout, tracker);
}
private void addKeyPreview(final TextView keyPreview) {
// TODO: Move this to MainKeyboardView
protected void addKeyPreview(final TextView keyPreview) {
locatePreviewPlacerView();
mPreviewPlacerView.addView(
keyPreview, ViewLayoutUtils.newLayoutParam(mPreviewPlacerView, 0, 0));
}
private void locatePreviewPlacerView() {
// TODO: Move this to MainKeyboardView
protected void locatePreviewPlacerView() {
if (mPreviewPlacerView.getParent() != null) {
return;
}
@ -866,17 +804,6 @@ public class KeyboardView extends View implements PointerTracker.DrawingProxy {
}
}
@Override
public void showSlidingKeyInputPreview(final PointerTracker tracker) {
locatePreviewPlacerView();
mPreviewPlacerView.showSlidingKeyInputPreview(tracker);
}
@Override
public void dismissSlidingKeyInputPreview() {
mPreviewPlacerView.dismissSlidingKeyInputPreview();
}
public void showGestureFloatingPreviewText(final SuggestedWords suggestedWords) {
locatePreviewPlacerView();
mPreviewPlacerView.setGestureFloatingPreviewText(suggestedWords);
@ -887,107 +814,13 @@ public class KeyboardView extends View implements PointerTracker.DrawingProxy {
mDrawingHandler.dismissGestureFloatingPreviewText(mGestureFloatingPreviewTextLingerTimeout);
}
@Override
// TODO: Move This to MainKeyboardView
public void showGesturePreviewTrail(final PointerTracker tracker,
final boolean isOldestTracker) {
locatePreviewPlacerView();
mPreviewPlacerView.invalidatePointer(tracker, isOldestTracker);
}
@Override
public void showKeyPreview(final PointerTracker tracker) {
final KeyPreviewDrawParams previewParams = mKeyPreviewDrawParams;
if (!mShowKeyPreviewPopup) {
previewParams.mPreviewVisibleOffset = -mKeyboard.mVerticalGap;
return;
}
final TextView previewText = getKeyPreviewText(tracker.mPointerId);
// If the key preview has no parent view yet, add it to the ViewGroup which can place
// key preview absolutely in SoftInputWindow.
if (previewText.getParent() == null) {
addKeyPreview(previewText);
}
mDrawingHandler.cancelDismissKeyPreview(tracker);
final Key key = tracker.getKey();
// If key is invalid or IME is already closed, we must not show key preview.
// Trying to show key preview while root window is closed causes
// WindowManager.BadTokenException.
if (key == null) {
return;
}
final KeyDrawParams drawParams = mKeyDrawParams;
previewText.setTextColor(drawParams.mPreviewTextColor);
final Drawable background = previewText.getBackground();
if (background != null) {
background.setState(KEY_PREVIEW_BACKGROUND_DEFAULT_STATE);
background.setAlpha(PREVIEW_ALPHA);
}
final String label = key.isShiftedLetterActivated() ? key.mHintLabel : key.mLabel;
// What we show as preview should match what we show on a key top in onDraw().
if (label != null) {
// TODO Should take care of temporaryShiftLabel here.
previewText.setCompoundDrawables(null, null, null, null);
if (StringUtils.codePointCount(label) > 1) {
previewText.setTextSize(TypedValue.COMPLEX_UNIT_PX, drawParams.mLetterSize);
previewText.setTypeface(Typeface.DEFAULT_BOLD);
} else {
previewText.setTextSize(TypedValue.COMPLEX_UNIT_PX, drawParams.mPreviewTextSize);
previewText.setTypeface(key.selectTypeface(drawParams));
}
previewText.setText(label);
} else {
previewText.setCompoundDrawables(null, null, null,
key.getPreviewIcon(mKeyboard.mIconsSet));
previewText.setText(null);
}
previewText.measure(
ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT);
final int keyDrawWidth = key.getDrawWidth();
final int previewWidth = previewText.getMeasuredWidth();
final int previewHeight = mKeyPreviewHeight;
// The width and height of visible part of the key preview background. The content marker
// of the background 9-patch have to cover the visible part of the background.
previewParams.mPreviewVisibleWidth = previewWidth - previewText.getPaddingLeft()
- previewText.getPaddingRight();
previewParams.mPreviewVisibleHeight = previewHeight - previewText.getPaddingTop()
- previewText.getPaddingBottom();
// The distance between the top edge of the parent key and the bottom of the visible part
// of the key preview background.
previewParams.mPreviewVisibleOffset = mKeyPreviewOffset - previewText.getPaddingBottom();
getLocationInWindow(mOriginCoords);
// The key preview is horizontally aligned with the center of the visible part of the
// parent key. If it doesn't fit in this {@link KeyboardView}, it is moved inward to fit and
// the left/right background is used if such background is specified.
final int statePosition;
int previewX = key.getDrawX() - (previewWidth - keyDrawWidth) / 2
+ CoordinateUtils.x(mOriginCoords);
if (previewX < 0) {
previewX = 0;
statePosition = STATE_LEFT;
} else if (previewX > getWidth() - previewWidth) {
previewX = getWidth() - previewWidth;
statePosition = STATE_RIGHT;
} else {
statePosition = STATE_MIDDLE;
}
// The key preview is placed vertically above the top edge of the parent key with an
// arbitrary offset.
final int previewY = key.mY - previewHeight + mKeyPreviewOffset
+ CoordinateUtils.y(mOriginCoords);
if (background != null) {
final int hasMoreKeys = (key.mMoreKeys != null) ? STATE_HAS_MOREKEYS : STATE_NORMAL;
background.setState(KEY_PREVIEW_BACKGROUND_STATE_TABLE[statePosition][hasMoreKeys]);
}
ViewLayoutUtils.placeViewAt(
previewText, previewX, previewY, previewWidth, previewHeight);
previewText.setVisibility(VISIBLE);
}
/**
* Requests a redraw of the entire keyboard. Calling {@link #invalidate} is not sufficient
* because the keyboard renders the keys to an off-screen buffer and an invalidate() only
@ -1007,7 +840,6 @@ public class KeyboardView extends View implements PointerTracker.DrawingProxy {
* @param key key in the attached {@link Keyboard}.
* @see #invalidateAllKeys
*/
@Override
public void invalidateKey(final Key key) {
if (mInvalidateAllKeys) return;
if (key == null) return;

185
java/src/com/android/inputmethod/keyboard/MainKeyboardView.java
View File

@ -33,12 +33,14 @@ import android.os.SystemClock;
import android.preference.PreferenceManager;
import android.util.AttributeSet;
import android.util.Log;
import android.util.TypedValue;
import android.view.LayoutInflater;
import android.view.MotionEvent;
import android.view.View;
import android.view.ViewConfiguration;
import android.view.ViewGroup;
import android.view.inputmethod.InputMethodSubtype;
import android.widget.TextView;
import com.android.inputmethod.accessibility.AccessibilityUtils;
import com.android.inputmethod.accessibility.AccessibleKeyboardViewProxy;
@ -46,6 +48,7 @@ import com.android.inputmethod.annotations.ExternallyReferenced;
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.KeyPreviewDrawParams;
import com.android.inputmethod.keyboard.internal.TouchScreenRegulator;
import com.android.inputmethod.latin.Constants;
import com.android.inputmethod.latin.CoordinateUtils;
@ -85,6 +88,9 @@ import java.util.WeakHashMap;
* @attr ref R.styleable#MainKeyboardView_longPressKeyTimeout
* @attr ref R.styleable#MainKeyboardView_longPressShiftKeyTimeout
* @attr ref R.styleable#MainKeyboardView_ignoreAltCodeKeyTimeout
* @attr ref R.styleable#MainKeyboardView_keyPreviewOffset
* @attr ref R.styleable#MainKeyboardView_keyPreviewHeight
* @attr ref R.styleable#MainKeyboardView_keyPreviewLingerTimeout
* @attr ref R.styleable#MainKeyboardView_moreKeysKeyboardLayout
* @attr ref R.styleable#MainKeyboardView_showMoreKeysKeyboardAtTouchPoint
* @attr ref R.styleable#MainKeyboardView_gestureStaticTimeThresholdAfterFastTyping
@ -100,7 +106,8 @@ import java.util.WeakHashMap;
* @attr ref R.styleable#MainKeyboardView_suppressKeyPreviewAfterBatchInputDuration
*/
public final class MainKeyboardView extends KeyboardView implements PointerTracker.KeyEventHandler,
MoreKeysPanel.Controller, TouchScreenRegulator.ProcessMotionEvent {
PointerTracker.DrawingProxy, MoreKeysPanel.Controller,
TouchScreenRegulator.ProcessMotionEvent {
private static final String TAG = MainKeyboardView.class.getSimpleName();
// TODO: Kill process when the usability study mode was changed.
@ -135,6 +142,15 @@ public final class MainKeyboardView extends KeyboardView implements PointerTrack
private ObjectAnimator mAltCodeKeyWhileTypingFadeinAnimator;
private int mAltCodeKeyWhileTypingAnimAlpha = Constants.Color.ALPHA_OPAQUE;
// Key preview
private static final int PREVIEW_ALPHA = 240;
private final int mKeyPreviewOffset;
private final int mKeyPreviewHeight;
private final KeyPreviewDrawParams mKeyPreviewDrawParams = new KeyPreviewDrawParams();
private boolean mShowKeyPreviewPopup = true;
private int mKeyPreviewLingerTimeout;
private final int[] mOriginCoords = CoordinateUtils.newInstance();
// More keys keyboard
private final WeakHashMap<Key, MoreKeysPanel> mMoreKeysPanelCache =
new WeakHashMap<Key, MoreKeysPanel>();
@ -436,6 +452,15 @@ public final class MainKeyboardView extends KeyboardView implements PointerTrack
mKeyDetector = new KeyDetector(
keyHysteresisDistance, keyHysteresisDistanceForSlidingModifier);
mKeyTimerHandler = new KeyTimerHandler(this, mainKeyboardViewAttr);
mKeyPreviewOffset = mainKeyboardViewAttr.getDimensionPixelOffset(
R.styleable.MainKeyboardView_keyPreviewOffset, 0);
mKeyPreviewHeight = mainKeyboardViewAttr.getDimensionPixelSize(
R.styleable.MainKeyboardView_keyPreviewHeight, 0);
mKeyPreviewLingerTimeout = mainKeyboardViewAttr.getInt(
R.styleable.MainKeyboardView_keyPreviewLingerTimeout, 0);
if (mKeyPreviewLayoutId == 0) {
mShowKeyPreviewPopup = false;
}
mMoreKeysLayout = mainKeyboardViewAttr.getResourceId(
R.styleable.MainKeyboardView_moreKeysKeyboardLayout, 0);
mConfigShowMoreKeysKeyboardAtTouchedPoint = mainKeyboardViewAttr.getBoolean(
@ -546,6 +571,161 @@ public final class MainKeyboardView extends KeyboardView implements PointerTrack
AccessibleKeyboardViewProxy.getInstance().setKeyboard();
}
/**
* Enables or disables the key feedback popup. This is a popup that shows a magnified
* version of the depressed key. By default the preview is enabled.
* @param previewEnabled whether or not to enable the key feedback preview
* @param delay the delay after which the preview is dismissed
* @see #isKeyPreviewPopupEnabled()
*/
public void setKeyPreviewPopupEnabled(final boolean previewEnabled, final int delay) {
mShowKeyPreviewPopup = previewEnabled;
mKeyPreviewLingerTimeout = delay;
}
/**
* Returns the enabled state of the key feedback preview
* @return whether or not the key feedback preview is enabled
* @see #setKeyPreviewPopupEnabled(boolean, int)
*/
public boolean isKeyPreviewPopupEnabled() {
return mShowKeyPreviewPopup;
}
// Background state set
private static final int[][][] KEY_PREVIEW_BACKGROUND_STATE_TABLE = {
{ // STATE_MIDDLE
EMPTY_STATE_SET,
{ R.attr.state_has_morekeys }
},
{ // STATE_LEFT
{ R.attr.state_left_edge },
{ R.attr.state_left_edge, R.attr.state_has_morekeys }
},
{ // STATE_RIGHT
{ R.attr.state_right_edge },
{ R.attr.state_right_edge, R.attr.state_has_morekeys }
}
};
private static final int STATE_MIDDLE = 0;
private static final int STATE_LEFT = 1;
private static final int STATE_RIGHT = 2;
private static final int STATE_NORMAL = 0;
private static final int STATE_HAS_MOREKEYS = 1;
private static final int[] KEY_PREVIEW_BACKGROUND_DEFAULT_STATE =
KEY_PREVIEW_BACKGROUND_STATE_TABLE[STATE_MIDDLE][STATE_NORMAL];
@Override
public void showKeyPreview(final PointerTracker tracker) {
final KeyPreviewDrawParams previewParams = mKeyPreviewDrawParams;
final Keyboard keyboard = getKeyboard();
if (!mShowKeyPreviewPopup) {
previewParams.mPreviewVisibleOffset = -keyboard.mVerticalGap;
return;
}
final TextView previewText = getKeyPreviewText(tracker.mPointerId);
// If the key preview has no parent view yet, add it to the ViewGroup which can place
// key preview absolutely in SoftInputWindow.
if (previewText.getParent() == null) {
addKeyPreview(previewText);
}
mDrawingHandler.cancelDismissKeyPreview(tracker);
final Key key = tracker.getKey();
// If key is invalid or IME is already closed, we must not show key preview.
// Trying to show key preview while root window is closed causes
// WindowManager.BadTokenException.
if (key == null) {
return;
}
final KeyDrawParams drawParams = mKeyDrawParams;
previewText.setTextColor(drawParams.mPreviewTextColor);
final Drawable background = previewText.getBackground();
if (background != null) {
background.setState(KEY_PREVIEW_BACKGROUND_DEFAULT_STATE);
background.setAlpha(PREVIEW_ALPHA);
}
final String label = key.isShiftedLetterActivated() ? key.mHintLabel : key.mLabel;
// What we show as preview should match what we show on a key top in onDraw().
if (label != null) {
// TODO Should take care of temporaryShiftLabel here.
previewText.setCompoundDrawables(null, null, null, null);
if (StringUtils.codePointCount(label) > 1) {
previewText.setTextSize(TypedValue.COMPLEX_UNIT_PX, drawParams.mLetterSize);
previewText.setTypeface(Typeface.DEFAULT_BOLD);
} else {
previewText.setTextSize(TypedValue.COMPLEX_UNIT_PX, drawParams.mPreviewTextSize);
previewText.setTypeface(key.selectTypeface(drawParams));
}
previewText.setText(label);
} else {
previewText.setCompoundDrawables(null, null, null,
key.getPreviewIcon(keyboard.mIconsSet));
previewText.setText(null);
}
previewText.measure(
ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT);
final int keyDrawWidth = key.getDrawWidth();
final int previewWidth = previewText.getMeasuredWidth();
final int previewHeight = mKeyPreviewHeight;
// The width and height of visible part of the key preview background. The content marker
// of the background 9-patch have to cover the visible part of the background.
previewParams.mPreviewVisibleWidth = previewWidth - previewText.getPaddingLeft()
- previewText.getPaddingRight();
previewParams.mPreviewVisibleHeight = previewHeight - previewText.getPaddingTop()
- previewText.getPaddingBottom();
// The distance between the top edge of the parent key and the bottom of the visible part
// of the key preview background.
previewParams.mPreviewVisibleOffset = mKeyPreviewOffset - previewText.getPaddingBottom();
getLocationInWindow(mOriginCoords);
// The key preview is horizontally aligned with the center of the visible part of the
// parent key. If it doesn't fit in this {@link KeyboardView}, it is moved inward to fit and
// the left/right background is used if such background is specified.
final int statePosition;
int previewX = key.getDrawX() - (previewWidth - keyDrawWidth) / 2
+ CoordinateUtils.x(mOriginCoords);
if (previewX < 0) {
previewX = 0;
statePosition = STATE_LEFT;
} else if (previewX > getWidth() - previewWidth) {
previewX = getWidth() - previewWidth;
statePosition = STATE_RIGHT;
} else {
statePosition = STATE_MIDDLE;
}
// The key preview is placed vertically above the top edge of the parent key with an
// arbitrary offset.
final int previewY = key.mY - previewHeight + mKeyPreviewOffset
+ CoordinateUtils.y(mOriginCoords);
if (background != null) {
final int hasMoreKeys = (key.mMoreKeys != null) ? STATE_HAS_MOREKEYS : STATE_NORMAL;
background.setState(KEY_PREVIEW_BACKGROUND_STATE_TABLE[statePosition][hasMoreKeys]);
}
ViewLayoutUtils.placeViewAt(
previewText, previewX, previewY, previewWidth, previewHeight);
previewText.setVisibility(VISIBLE);
}
@Override
public void dismissKeyPreview(final PointerTracker tracker) {
mDrawingHandler.dismissKeyPreview(mKeyPreviewLingerTimeout, tracker);
}
@Override
public void showSlidingKeyInputPreview(final PointerTracker tracker) {
locatePreviewPlacerView();
mPreviewPlacerView.showSlidingKeyInputPreview(tracker);
}
@Override
public void dismissSlidingKeyInputPreview() {
mPreviewPlacerView.dismissSlidingKeyInputPreview();
}
// Note that this method is called from a non-UI thread.
public void setMainDictionaryAvailability(final boolean mainDictionaryAvailable) {
PointerTracker.setMainDictionaryAvailability(mainDictionaryAvailable);
@ -611,7 +791,8 @@ public final class MainKeyboardView extends KeyboardView implements PointerTrack
final MoreKeysKeyboardView moreKeysKeyboardView =
(MoreKeysKeyboardView)container.findViewById(R.id.more_keys_keyboard_view);
final Keyboard moreKeysKeyboard = new MoreKeysKeyboard.Builder(container, parentKey, this)
final Keyboard moreKeysKeyboard = new MoreKeysKeyboard.Builder(
container, parentKey, this, mKeyPreviewDrawParams)
.build();
moreKeysKeyboardView.setKeyboard(moreKeysKeyboard);
container.measure(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT);

9
java/src/com/android/inputmethod/keyboard/MoreKeysKeyboard.java
View File

@ -21,6 +21,7 @@ import android.graphics.drawable.Drawable;
import android.view.View;
import com.android.inputmethod.annotations.UsedForTesting;
import com.android.inputmethod.keyboard.internal.KeyPreviewDrawParams;
import com.android.inputmethod.keyboard.internal.KeyboardBuilder;
import com.android.inputmethod.keyboard.internal.KeyboardIconsSet;
import com.android.inputmethod.keyboard.internal.KeyboardParams;
@ -262,9 +263,11 @@ public final class MoreKeysKeyboard extends Keyboard {
* @param containerView the container of {@link MoreKeysKeyboardView}.
* @param parentKey the {@link Key} that invokes more keys keyboard.
* @param parentKeyboardView the {@link KeyboardView} that contains the parentKey.
* @param keyPreviewDrawParams the parameter to place key preview.
*/
public Builder(final View containerView, final Key parentKey,
final KeyboardView parentKeyboardView) {
final MainKeyboardView parentKeyboardView,
final KeyPreviewDrawParams keyPreviewDrawParams) {
super(containerView.getContext(), new MoreKeysKeyboardParams());
final Keyboard parentKeyboard = parentKeyboardView.getKeyboard();
load(parentKeyboard.mMoreKeysTemplate, parentKeyboard.mId);
@ -285,8 +288,8 @@ public final class MoreKeysKeyboard extends Keyboard {
// left/right/top paddings. The bottom paddings of both backgrounds don't need to
// be considered because the vertical positions of both backgrounds were already
// adjusted with their bottom paddings deducted.
width = parentKeyboardView.mKeyPreviewDrawParams.mPreviewVisibleWidth;
height = parentKeyboardView.mKeyPreviewDrawParams.mPreviewVisibleHeight
width = keyPreviewDrawParams.mPreviewVisibleWidth;
height = keyPreviewDrawParams.mPreviewVisibleHeight
+ mParams.mVerticalGap;
} else {
width = getMaxKeyWidth(parentKeyboardView, parentKey, mParams.mDefaultKeyWidth);

8
java/src/com/android/inputmethod/keyboard/MoreKeysKeyboardView.java
View File

@ -53,7 +53,6 @@ public class MoreKeysKeyboardView extends KeyboardView implements MoreKeysPanel
final Resources res = context.getResources();
mKeyDetector = new MoreKeysDetector(
res.getDimension(R.dimen.more_keys_keyboard_slide_allowance));
setKeyPreviewPopupEnabled(false, 0);
}
@Override
@ -75,13 +74,6 @@ public class MoreKeysKeyboardView extends KeyboardView implements MoreKeysPanel
-getPaddingTop() + mVerticalCorrection);
}
@Override
public void setKeyPreviewPopupEnabled(final boolean previewEnabled, final int delay) {
// More keys keyboard needs no pop-up key preview displayed, so we pass always false with a
// delay of 0. The delay does not matter actually since the popup is not shown anyway.
super.setKeyPreviewPopupEnabled(false, 0);
}
@Override
public void showMoreKeysPanel(final View parentView, final Controller controller,
final int pointX, final int pointY, final KeyboardActionListener listener) {