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Add keyboard shadow 

This CL sets 8dp elevation ot input view in order to cast a shadow
onto underlying application.

Bug: 16210054
Change-Id: I7779c63612fc88e24dde65de3e4e7a45b9d1762f
main
Tadashi G. Takaoka 2014-10-07 15:11:43 +09:00
parent 3c6ac75c48
commit 15480481be
14 changed files with 165 additions and 8 deletions
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3
java/res/layout/input_view.xml
View File

@ -21,7 +21,8 @@
<com.android.inputmethod.latin.InputView
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="wrap_content">
android:layout_height="wrap_content"
style="?attr/inputViewStyle">
<include
android:id="@+id/main_keyboard_frame"
layout="@layout/main_keyboard_frame" />

28
java/res/values-v21/themes-lxx.xml Normal file
View File

@ -0,0 +1,28 @@
<?xml version="1.0" encoding="utf-8"?>
<!--
/*
**
** Copyright 2014, 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.
*/
-->
<resources xmlns:android="http://schemas.android.com/apk/res/android">
<style
name="InputView.LXX"
parent="InputView"
>
<item name="android:elevation">8dp</item>
</style>
</resources>

2
java/res/values/attrs.xml
View File

@ -20,6 +20,8 @@
<resources>
<declare-styleable name="KeyboardTheme">
<!-- InputView style -->
<attr name="inputViewStyle" format="reference" />
<!-- Keyboard style -->
<attr name="keyboardStyle" format="reference" />
<!-- KeyboardView style -->

1
java/res/values/themes-common.xml
View File

@ -20,6 +20,7 @@
<resources xmlns:android="http://schemas.android.com/apk/res/android">
<style name="KeyboardIcons" />
<style name="InputView" />
<!-- Default theme values -->
<style name="Keyboard">
<item name="rowHeight">25%p</item>

4
java/res/values/themes-holo.xml
View File

@ -19,6 +19,10 @@
-->
<resources xmlns:android="http://schemas.android.com/apk/res/android">
<style
name="InputView.Holo"
parent="InputView"
/>
<!-- Holo KeyboardView theme (ICS and KLP) -->
<style
name="KeyboardView.Holo"

1
java/res/values/themes-ics.xml
View File

@ -20,6 +20,7 @@
<resources xmlns:android="http://schemas.android.com/apk/res/android">
<style name="KeyboardTheme.ICS" parent="KeyboardIcons.Holo">
<item name="inputViewStyle">@style/InputView.Holo</item>
<item name="keyboardStyle">@style/Keyboard.ICS</item>
<item name="keyboardViewStyle">@style/KeyboardView.ICS</item>
<item name="mainKeyboardViewStyle">@style/MainKeyboardView.ICS</item>

1
java/res/values/themes-klp.xml
View File

@ -20,6 +20,7 @@
<resources xmlns:android="http://schemas.android.com/apk/res/android">
<style name="KeyboardTheme.KLP" parent="KeyboardIcons.Holo">
<item name="inputViewStyle">@style/InputView.Holo</item>
<item name="keyboardStyle">@style/Keyboard.KLP</item>
<item name="keyboardViewStyle">@style/KeyboardView.KLP</item>
<item name="mainKeyboardViewStyle">@style/MainKeyboardView.KLP</item>

1
java/res/values/themes-lxx-dark.xml
View File

@ -20,6 +20,7 @@
<resources xmlns:android="http://schemas.android.com/apk/res/android">
<style name="KeyboardTheme.LXX_Dark" parent="KeyboardIcons.LXX_Dark">
<item name="inputViewStyle">@style/InputView.LXX</item>
<item name="keyboardStyle">@style/Keyboard.LXX_Dark</item>
<item name="keyboardViewStyle">@style/KeyboardView.LXX_Dark</item>
<item name="mainKeyboardViewStyle">@style/MainKeyboardView.LXX_Dark</item>

1
java/res/values/themes-lxx-light.xml
View File

@ -20,6 +20,7 @@
<resources xmlns:android="http://schemas.android.com/apk/res/android">
<style name="KeyboardTheme.LXX_Light" parent="KeyboardIcons.LXX_Light">
<item name="inputViewStyle">@style/InputView.LXX</item>
<item name="keyboardStyle">@style/Keyboard.LXX_Light</item>
<item name="keyboardViewStyle">@style/KeyboardView.LXX_Light</item>
<item name="mainKeyboardViewStyle">@style/MainKeyboardView.LXX_Light</item>

4
java/res/values/themes-lxx.xml
View File

@ -19,6 +19,10 @@
-->
<resources xmlns:android="http://schemas.android.com/apk/res/android">
<style
name="InputView.LXX"
parent="InputView"
/>
<!-- LXX KeyboardView theme (LXX_Light and LXX_Dark) -->
<style
name="KeyboardView.LXX"

7
java/src/com/android/inputmethod/compat/ViewCompatUtils.java
View File

@ -31,9 +31,6 @@ public final class ViewCompatUtils {
private static final Method METHOD_setPaddingRelative = CompatUtils.getMethod(
View.class, "setPaddingRelative",
int.class, int.class, int.class, int.class);
// Note that View.setElevation(float) has been introduced in API level 21.
private static final Method METHOD_setElevation = CompatUtils.getMethod(
View.class, "setElevation", float.class);
// Note that View.setTextAlignment(int) has been introduced in API level 17.
private static final Method METHOD_setTextAlignment = CompatUtils.getMethod(
View.class, "setTextAlignment", int.class);
@ -58,10 +55,6 @@ public final class ViewCompatUtils {
CompatUtils.invoke(view, null, METHOD_setPaddingRelative, start, top, end, bottom);
}
public static void setElevation(final View view, final float elevation) {
CompatUtils.invoke(view, null, METHOD_setElevation, elevation);
}
// These TEXT_ALIGNMENT_* constants have been introduced in API 17.
public static final int TEXT_ALIGNMENT_INHERIT = 0;
public static final int TEXT_ALIGNMENT_GRAVITY = 1;

42
java/src/com/android/inputmethod/compat/ViewOutlineProviderCompatUtils.java Normal file
View File

@ -0,0 +1,42 @@
/*
* Copyright (C) 2014 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.compat;
import android.inputmethodservice.InputMethodService;
import android.view.View;
public class ViewOutlineProviderCompatUtils {
private ViewOutlineProviderCompatUtils() {
// This utility class is not publicly instantiable.
}
public interface InsetsUpdater {
public void setInsets(final InputMethodService.Insets insets);
}
private static final InsetsUpdater EMPTY_INSETS_UPDATER = new InsetsUpdater() {
@Override
public void setInsets(final InputMethodService.Insets insets) {}
};
public static InsetsUpdater setInsetsOutlineProvider(final View view) {
if (BuildCompatUtils.EFFECTIVE_SDK_INT < BuildCompatUtils.VERSION_CODES_LXX) {
return EMPTY_INSETS_UPDATER;
}
return ViewOutlineProviderCompatUtilsLXX.setInsetsOutlineProvider(view);
}
}

72
java/src/com/android/inputmethod/compat/ViewOutlineProviderCompatUtilsLXX.java Normal file
View File

@ -0,0 +1,72 @@
/*
* Copyright (C) 2014 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.compat;
import android.annotation.TargetApi;
import android.graphics.Outline;
import android.inputmethodservice.InputMethodService;
import android.os.Build;
import android.view.View;
import android.view.ViewOutlineProvider;
import com.android.inputmethod.compat.ViewOutlineProviderCompatUtils.InsetsUpdater;
@TargetApi(Build.VERSION_CODES.L)
class ViewOutlineProviderCompatUtilsLXX {
private ViewOutlineProviderCompatUtilsLXX() {
// This utility class is not publicly instantiable.
}
static InsetsUpdater setInsetsOutlineProvider(final View view) {
final InsetsOutlineProvider provider = new InsetsOutlineProvider(view);
view.setOutlineProvider(provider);
return provider;
}
private static class InsetsOutlineProvider extends ViewOutlineProvider
implements InsetsUpdater {
private final View mView;
private static final int NO_DATA = -1;
private int mLastVisibleTopInsets = NO_DATA;
public InsetsOutlineProvider(final View view) {
mView = view;
view.setOutlineProvider(this);
}
@Override
public void setInsets(final InputMethodService.Insets insets) {
final int visibleTopInsets = insets.visibleTopInsets;
if (mLastVisibleTopInsets != visibleTopInsets) {
mLastVisibleTopInsets = visibleTopInsets;
mView.invalidateOutline();
}
}
@Override
public void getOutline(final View view, final Outline outline) {
if (mLastVisibleTopInsets == NO_DATA) {
// Call default implementation.
ViewOutlineProvider.BACKGROUND.getOutline(view, outline);
return;
}
// TODO: Revisit this when floating/resize keyboard is supported.
outline.setRect(
view.getLeft(), mLastVisibleTopInsets, view.getRight(), view.getBottom());
}
}
}

6
java/src/com/android/inputmethod/latin/LatinIME.java
View File

@ -60,6 +60,8 @@ import com.android.inputmethod.accessibility.AccessibilityUtils;
import com.android.inputmethod.annotations.UsedForTesting;
import com.android.inputmethod.compat.CursorAnchorInfoCompatWrapper;
import com.android.inputmethod.compat.InputMethodServiceCompatUtils;
import com.android.inputmethod.compat.ViewOutlineProviderCompatUtils;
import com.android.inputmethod.compat.ViewOutlineProviderCompatUtils.InsetsUpdater;
import com.android.inputmethod.dictionarypack.DictionaryPackConstants;
import com.android.inputmethod.event.Event;
import com.android.inputmethod.event.HardwareEventDecoder;
@ -154,6 +156,7 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
// TODO: Move these {@link View}s to {@link KeyboardSwitcher}.
private View mInputView;
private InsetsUpdater mInsetsUpdater;
private SuggestionStripView mSuggestionStripView;
private TextView mExtractEditText;
@ -754,6 +757,7 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
public void setInputView(final View view) {
super.setInputView(view);
mInputView = view;
mInsetsUpdater = ViewOutlineProviderCompatUtils.setInsetsOutlineProvider(view);
updateSoftInputWindowLayoutParameters();
mSuggestionStripView = (SuggestionStripView)view.findViewById(R.id.suggestion_strip_view);
if (hasSuggestionStripView()) {
@ -1191,6 +1195,7 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
// no visual element will be shown on the screen.
outInsets.touchableInsets = inputHeight;
outInsets.visibleTopInsets = inputHeight;
mInsetsUpdater.setInsets(outInsets);
return;
}
final int suggestionsHeight = (!mKeyboardSwitcher.isShowingEmojiPalettes()
@ -1211,6 +1216,7 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
}
outInsets.contentTopInsets = visibleTopY;
outInsets.visibleTopInsets = visibleTopY;
mInsetsUpdater.setInsets(outInsets);
}
public void startShowingInputView(final boolean needsToLoadKeyboard) {