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/*
* Copyright (C) 2014 Google Inc.
* Licensed to 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.mail.ui;
import android.content.Context;
import android.content.res.Resources;
import android.graphics.drawable.ColorDrawable;
import android.graphics.drawable.Drawable;
import android.support.annotation.DrawableRes;
import android.text.Editable;
import android.text.TextWatcher;
import android.util.AttributeSet;
import android.view.ActionMode;
import android.view.KeyEvent;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.view.inputmethod.EditorInfo;
import android.view.inputmethod.InputMethodManager;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;
import com.android.mail.R;
import com.android.mail.utils.ViewUtils;
/**
* Custom view for the action bar when search is displayed.
*/
public class MaterialSearchActionView extends LinearLayout implements TextWatcher,
View.OnClickListener, TextView.OnEditorActionListener, View.OnKeyListener {
// Dark drawables are used for when the search bar is visible (thus dark icon on light bg).
// Light drawables are used when we are showing the default action bar.
private Drawable mLightBgDrawable;
private Drawable mDarkBgDrawable;
private @DrawableRes int mLightBgBackDrawable;
private @DrawableRes int mDarkBgBackDrawable;
private @DrawableRes int mLightBgClearTextDrawable;
private @DrawableRes int mDarkBgClearTextDrawable;
private @DrawableRes int mLightBgVoiceDrawable;
private @DrawableRes int mDarkBgVoiceDrawable;
private int mLightBgTextColor;
private int mDarkBgTextColor;
private MaterialSearchViewController mController;
private InputMethodManager mImm;
private boolean mSupportVoice;
private boolean mShowingClearButton;
private boolean mAlignWithTl;
private ImageView mBackButton;
private EditText mQueryText;
private ImageView mEndingButton;
public MaterialSearchActionView(Context context) {
this(context, null);
}
public MaterialSearchActionView(Context context, AttributeSet attrs) {
super(context, attrs);
final Resources res = getResources();
mLightBgDrawable = new ColorDrawable(res.getColor(android.R.color.white));
mDarkBgDrawable = new ColorDrawable(res.getColor(R.color.primary_color));
mLightBgBackDrawable = R.drawable.ic_arrow_back_24dp_with_rtl;
mDarkBgBackDrawable = R.drawable.ic_arrow_back_wht_24dp_with_rtl;
mLightBgClearTextDrawable = R.drawable.ic_close_24dp;
mDarkBgClearTextDrawable = R.drawable.ic_close_wht_24dp;
mLightBgVoiceDrawable = R.drawable.ic_mic_24dp;
mDarkBgVoiceDrawable = R.drawable.ic_mic_wht_24dp;
mLightBgTextColor = res.getColor(R.color.search_query_text);
mDarkBgTextColor = res.getColor(android.R.color.white);
}
// PUBLIC API
public void setController(MaterialSearchViewController controller, String initialQuery,
boolean supportVoice) {
mController = controller;
mQueryText.setText(initialQuery);
mSupportVoice = supportVoice;
}
public void clearSearchQuery() {
mQueryText.setText("");
}
public void focusSearchBar(boolean hasFocus) {
if (hasFocus) {
mQueryText.requestFocus();
mImm.showSoftInput(mQueryText, 0);
} else {
mImm.hideSoftInputFromWindow(mQueryText.getWindowToken(), 0);
}
}
public void adjustViewForTwoPaneLandscape(boolean alignWithTl, int xEnd) {
mAlignWithTl = alignWithTl;
final ViewGroup.LayoutParams params = getLayoutParams();
if (alignWithTl) {
setBackgroundDrawable(mDarkBgDrawable);
mBackButton.setImageResource(mDarkBgBackDrawable);
mQueryText.setTextColor(mDarkBgTextColor);
if (ViewUtils.isViewRtl(this)) {
int[] coords = new int[2];
getLocationInWindow(coords);
params.width = coords[0] + getWidth() - xEnd;
} else {
params.width = xEnd;
}
} else {
setBackgroundDrawable(mLightBgDrawable);
mBackButton.setImageResource(mLightBgBackDrawable);
mQueryText.setTextColor(mLightBgTextColor);
params.width = ViewGroup.LayoutParams.MATCH_PARENT;
}
setupEndingButton(mQueryText.getText());
setLayoutParams(params);
}
@Override
protected void onFinishInflate() {
super.onFinishInflate();
mImm = (InputMethodManager) getContext().getSystemService(Context.INPUT_METHOD_SERVICE);
mBackButton = (ImageView) findViewById(R.id.search_actionbar_back_button);
mBackButton.setOnClickListener(this);
mQueryText = (EditText) findViewById(R.id.search_actionbar_query_text);
mQueryText.addTextChangedListener(this);
mQueryText.setOnClickListener(this);
mQueryText.setOnEditorActionListener(this);
mQueryText.setOnKeyListener(this);
// Disable CAB for search edittext
mQueryText.setCustomSelectionActionModeCallback(new ActionMode.Callback() {
@Override
public boolean onCreateActionMode(ActionMode mode, Menu menu) {
return false;
}
@Override
public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
return false;
}
@Override
public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
return false;
}
@Override
public void onDestroyActionMode(ActionMode mode) {
}
});
mEndingButton = (ImageView) findViewById(R.id.search_actionbar_ending_button);
mEndingButton.setOnClickListener(this);
setupEndingButton(mQueryText.getText());
}
private void setupEndingButton(CharSequence currentText) {
final Resources res = getResources();
if (!mSupportVoice || currentText.length() > 0) {
if (mAlignWithTl) {
mEndingButton.setImageResource(mDarkBgClearTextDrawable);
} else {
mEndingButton.setImageResource(mLightBgClearTextDrawable);
}
mEndingButton.setContentDescription(res.getString(R.string.search_clear_desc));
mShowingClearButton = true;
} else {
if (mAlignWithTl) {
mEndingButton.setImageResource(mDarkBgVoiceDrawable);
} else {
mEndingButton.setImageResource(mLightBgVoiceDrawable);
}
mEndingButton.setContentDescription(res.getString(R.string.search_voice_desc));
mShowingClearButton = false;
}
}
@Override
public void beforeTextChanged(CharSequence charSequence, int i, int i2, int i3) {
// Only care about onTextChanged
}
@Override
public void onTextChanged(CharSequence charSequence, int i, int i2, int i3) {
mController.onQueryTextChanged(charSequence.toString());
setupEndingButton(charSequence);
}
@Override
public void afterTextChanged(Editable editable) {
// Only care about onTextChanged
}
@Override
public void onClick(View view) {
if (view == mBackButton) {
mController.onSearchCanceled();
} else if (view == mEndingButton) {
if (mShowingClearButton) {
mQueryText.setText("");
mController.showSearchActionBar(
MaterialSearchViewController.SEARCH_VIEW_STATE_VISIBLE);
} else {
mController.onVoiceSearch();
}
} else if (view == mQueryText) {
mController.showSearchActionBar(MaterialSearchViewController.SEARCH_VIEW_STATE_VISIBLE);
}
}
@Override
public boolean onEditorAction(TextView textView, int actionId, KeyEvent keyEvent) {
if (actionId == EditorInfo.IME_ACTION_SEARCH) {
mController.onSearchPerformed(mQueryText.getText().toString());
}
return false;
}
@Override
public boolean onKey(View v, int keyCode, KeyEvent event) {
// Hardware keyboard doesn't represent Enter as Search through imeOptions, so we need to
// capture them manually here.
if (event.getAction() == KeyEvent.ACTION_UP && keyCode == KeyEvent.KEYCODE_ENTER) {
mController.onSearchPerformed(mQueryText.getText().toString());
}
return false;
}
}
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