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();
+  }
+}