diff options
Diffstat (limited to 'java/com/android/dialer/app/widget/SearchEditTextLayout.java')
-rw-r--r-- | java/com/android/dialer/app/widget/SearchEditTextLayout.java | 324 |
1 files changed, 324 insertions, 0 deletions
diff --git a/java/com/android/dialer/app/widget/SearchEditTextLayout.java b/java/com/android/dialer/app/widget/SearchEditTextLayout.java new file mode 100644 index 000000000..be850f9a0 --- /dev/null +++ b/java/com/android/dialer/app/widget/SearchEditTextLayout.java @@ -0,0 +1,324 @@ +/* + * 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.dialer.app.widget; + +import android.animation.ValueAnimator; +import android.animation.ValueAnimator.AnimatorUpdateListener; +import android.content.Context; +import android.text.Editable; +import android.text.TextUtils; +import android.text.TextWatcher; +import android.util.AttributeSet; +import android.view.KeyEvent; +import android.view.View; +import android.widget.EditText; +import android.widget.FrameLayout; +import com.android.dialer.animation.AnimUtils; +import com.android.dialer.app.R; +import com.android.dialer.util.DialerUtils; + +public class SearchEditTextLayout extends FrameLayout { + + private static final float EXPAND_MARGIN_FRACTION_START = 0.8f; + private static final int ANIMATION_DURATION = 200; + /* Subclass-visible for testing */ + protected boolean mIsExpanded = false; + protected boolean mIsFadedOut = false; + private OnKeyListener mPreImeKeyListener; + private int mTopMargin; + private int mBottomMargin; + private int mLeftMargin; + private int mRightMargin; + private float mCollapsedElevation; + private View mCollapsed; + private View mExpanded; + private EditText mSearchView; + private View mSearchIcon; + private View mCollapsedSearchBox; + private View mVoiceSearchButtonView; + private View mOverflowButtonView; + private View mBackButtonView; + private View mExpandedSearchBox; + private View mClearButtonView; + + private ValueAnimator mAnimator; + + private Callback mCallback; + + public SearchEditTextLayout(Context context, AttributeSet attrs) { + super(context, attrs); + } + + public void setPreImeKeyListener(OnKeyListener listener) { + mPreImeKeyListener = listener; + } + + public void setCallback(Callback listener) { + mCallback = listener; + } + + @Override + protected void onFinishInflate() { + MarginLayoutParams params = (MarginLayoutParams) getLayoutParams(); + mTopMargin = params.topMargin; + mBottomMargin = params.bottomMargin; + mLeftMargin = params.leftMargin; + mRightMargin = params.rightMargin; + + mCollapsedElevation = getElevation(); + + mCollapsed = findViewById(R.id.search_box_collapsed); + mExpanded = findViewById(R.id.search_box_expanded); + mSearchView = (EditText) mExpanded.findViewById(R.id.search_view); + + mSearchIcon = findViewById(R.id.search_magnifying_glass); + mCollapsedSearchBox = findViewById(R.id.search_box_start_search); + mVoiceSearchButtonView = findViewById(R.id.voice_search_button); + mOverflowButtonView = findViewById(R.id.dialtacts_options_menu_button); + mBackButtonView = findViewById(R.id.search_back_button); + mExpandedSearchBox = findViewById(R.id.search_box_expanded); + mClearButtonView = findViewById(R.id.search_close_button); + + // Convert a long click into a click to expand the search box, and then long click on the + // search view. This accelerates the long-press scenario for copy/paste. + mCollapsedSearchBox.setOnLongClickListener( + new OnLongClickListener() { + @Override + public boolean onLongClick(View view) { + mCollapsedSearchBox.performClick(); + mSearchView.performLongClick(); + return false; + } + }); + + mSearchView.setOnFocusChangeListener( + new OnFocusChangeListener() { + @Override + public void onFocusChange(View v, boolean hasFocus) { + if (hasFocus) { + DialerUtils.showInputMethod(v); + } else { + DialerUtils.hideInputMethod(v); + } + } + }); + + mSearchView.setOnClickListener( + new View.OnClickListener() { + @Override + public void onClick(View v) { + if (mCallback != null) { + mCallback.onSearchViewClicked(); + } + } + }); + + mSearchView.addTextChangedListener( + new TextWatcher() { + @Override + public void beforeTextChanged(CharSequence s, int start, int count, int after) {} + + @Override + public void onTextChanged(CharSequence s, int start, int before, int count) { + mClearButtonView.setVisibility(TextUtils.isEmpty(s) ? View.GONE : View.VISIBLE); + } + + @Override + public void afterTextChanged(Editable s) {} + }); + + findViewById(R.id.search_close_button) + .setOnClickListener( + new OnClickListener() { + @Override + public void onClick(View v) { + mSearchView.setText(null); + } + }); + + findViewById(R.id.search_back_button) + .setOnClickListener( + new OnClickListener() { + @Override + public void onClick(View v) { + if (mCallback != null) { + mCallback.onBackButtonClicked(); + } + } + }); + + super.onFinishInflate(); + } + + @Override + public boolean dispatchKeyEventPreIme(KeyEvent event) { + if (mPreImeKeyListener != null) { + if (mPreImeKeyListener.onKey(this, event.getKeyCode(), event)) { + return true; + } + } + return super.dispatchKeyEventPreIme(event); + } + + public void fadeOut() { + fadeOut(null); + } + + public void fadeOut(AnimUtils.AnimationCallback callback) { + AnimUtils.fadeOut(this, ANIMATION_DURATION, callback); + mIsFadedOut = true; + } + + public void fadeIn() { + AnimUtils.fadeIn(this, ANIMATION_DURATION); + mIsFadedOut = false; + } + + public void setVisible(boolean visible) { + if (visible) { + setAlpha(1); + setVisibility(View.VISIBLE); + mIsFadedOut = false; + } else { + setAlpha(0); + setVisibility(View.GONE); + mIsFadedOut = true; + } + } + + public void expand(boolean animate, boolean requestFocus) { + updateVisibility(true /* isExpand */); + + if (animate) { + AnimUtils.crossFadeViews(mExpanded, mCollapsed, ANIMATION_DURATION); + mAnimator = ValueAnimator.ofFloat(EXPAND_MARGIN_FRACTION_START, 0f); + setMargins(EXPAND_MARGIN_FRACTION_START); + prepareAnimator(true); + } else { + mExpanded.setVisibility(View.VISIBLE); + mExpanded.setAlpha(1); + setMargins(0f); + mCollapsed.setVisibility(View.GONE); + } + + // Set 9-patch background. This owns the padding, so we need to restore the original values. + int paddingTop = this.getPaddingTop(); + int paddingStart = this.getPaddingStart(); + int paddingBottom = this.getPaddingBottom(); + int paddingEnd = this.getPaddingEnd(); + setBackgroundResource(R.drawable.search_shadow); + setElevation(0); + setPaddingRelative(paddingStart, paddingTop, paddingEnd, paddingBottom); + + if (requestFocus) { + mSearchView.requestFocus(); + } + mIsExpanded = true; + } + + public void collapse(boolean animate) { + updateVisibility(false /* isExpand */); + + if (animate) { + AnimUtils.crossFadeViews(mCollapsed, mExpanded, ANIMATION_DURATION); + mAnimator = ValueAnimator.ofFloat(0f, 1f); + prepareAnimator(false); + } else { + mCollapsed.setVisibility(View.VISIBLE); + mCollapsed.setAlpha(1); + setMargins(1f); + mExpanded.setVisibility(View.GONE); + } + + mIsExpanded = false; + setElevation(mCollapsedElevation); + setBackgroundResource(R.drawable.rounded_corner); + } + + /** + * Updates the visibility of views depending on whether we will show the expanded or collapsed + * search view. This helps prevent some jank with the crossfading if we are animating. + * + * @param isExpand Whether we are about to show the expanded search box. + */ + private void updateVisibility(boolean isExpand) { + int collapsedViewVisibility = isExpand ? View.GONE : View.VISIBLE; + int expandedViewVisibility = isExpand ? View.VISIBLE : View.GONE; + + mSearchIcon.setVisibility(collapsedViewVisibility); + mCollapsedSearchBox.setVisibility(collapsedViewVisibility); + mVoiceSearchButtonView.setVisibility(collapsedViewVisibility); + mOverflowButtonView.setVisibility(collapsedViewVisibility); + mBackButtonView.setVisibility(expandedViewVisibility); + // TODO: Prevents keyboard from jumping up in landscape mode after exiting the + // SearchFragment when the query string is empty. More elegant fix? + //mExpandedSearchBox.setVisibility(expandedViewVisibility); + if (TextUtils.isEmpty(mSearchView.getText())) { + mClearButtonView.setVisibility(View.GONE); + } else { + mClearButtonView.setVisibility(expandedViewVisibility); + } + } + + private void prepareAnimator(final boolean expand) { + if (mAnimator != null) { + mAnimator.cancel(); + } + + mAnimator.addUpdateListener( + new AnimatorUpdateListener() { + @Override + public void onAnimationUpdate(ValueAnimator animation) { + final Float fraction = (Float) animation.getAnimatedValue(); + setMargins(fraction); + } + }); + + mAnimator.setDuration(ANIMATION_DURATION); + mAnimator.start(); + } + + public boolean isExpanded() { + return mIsExpanded; + } + + public boolean isFadedOut() { + return mIsFadedOut; + } + + /** + * Assigns margins to the search box as a fraction of its maximum margin size + * + * @param fraction How large the margins should be as a fraction of their full size + */ + private void setMargins(float fraction) { + MarginLayoutParams params = (MarginLayoutParams) getLayoutParams(); + params.topMargin = (int) (mTopMargin * fraction); + params.bottomMargin = (int) (mBottomMargin * fraction); + params.leftMargin = (int) (mLeftMargin * fraction); + params.rightMargin = (int) (mRightMargin * fraction); + requestLayout(); + } + + /** Listener for the back button next to the search view being pressed */ + public interface Callback { + + void onBackButtonClicked(); + + void onSearchViewClicked(); + } +} |