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Diffstat (limited to 'libraries/ActionBarSherlock/src/com/actionbarsherlock/widget/SearchView.java')
| -rw-r--r-- | libraries/ActionBarSherlock/src/com/actionbarsherlock/widget/SearchView.java | 1811 |
1 files changed, 0 insertions, 1811 deletions
diff --git a/libraries/ActionBarSherlock/src/com/actionbarsherlock/widget/SearchView.java b/libraries/ActionBarSherlock/src/com/actionbarsherlock/widget/SearchView.java deleted file mode 100644 index fb8319645..000000000 --- a/libraries/ActionBarSherlock/src/com/actionbarsherlock/widget/SearchView.java +++ /dev/null @@ -1,1811 +0,0 @@ -/* - * Copyright (C) 2010 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.actionbarsherlock.widget; - -import android.app.PendingIntent; -import android.app.SearchManager; -import android.app.SearchableInfo; -import android.content.ActivityNotFoundException; -import android.content.ComponentName; -import android.content.Context; -import android.content.Intent; -import android.content.pm.PackageManager; -import android.content.pm.ResolveInfo; -import android.content.res.Configuration; -import android.content.res.Resources; -import android.content.res.TypedArray; -import android.database.Cursor; -import android.graphics.Rect; -import android.graphics.drawable.Drawable; -import android.net.Uri; -import android.os.Build; -import android.os.Bundle; -import android.os.ResultReceiver; -import android.speech.RecognizerIntent; -import android.support.v4.view.KeyEventCompat; -import android.support.v4.widget.CursorAdapter; -import android.text.Editable; -import android.text.InputType; -import android.text.Spannable; -import android.text.SpannableStringBuilder; -import android.text.TextUtils; -import android.text.TextWatcher; -import android.text.style.ImageSpan; -import android.util.AttributeSet; -import android.util.Log; -import android.util.TypedValue; -import android.view.KeyEvent; -import android.view.LayoutInflater; -import android.view.View; -import android.view.ViewTreeObserver; -import android.view.accessibility.AccessibilityEvent; -import android.view.accessibility.AccessibilityNodeInfo; -import android.view.inputmethod.EditorInfo; -import android.view.inputmethod.InputMethodManager; -import android.widget.AdapterView; -import android.widget.AdapterView.OnItemClickListener; -import android.widget.AdapterView.OnItemSelectedListener; -import android.widget.AutoCompleteTextView; -import android.widget.ImageView; -import android.widget.LinearLayout; -import android.widget.ListView; -import android.widget.TextView; -import android.widget.TextView.OnEditorActionListener; -import com.actionbarsherlock.R; -import com.actionbarsherlock.view.CollapsibleActionView; - -import java.lang.reflect.Method; -import java.util.WeakHashMap; - -import static com.actionbarsherlock.widget.SuggestionsAdapter.getColumnString; - -/** - * A widget that provides a user interface for the user to enter a search query and submit a request - * to a search provider. Shows a list of query suggestions or results, if available, and allows the - * user to pick a suggestion or result to launch into. - * - * <p> - * When the SearchView is used in an ActionBar as an action view for a collapsible menu item, it - * needs to be set to iconified by default using {@link #setIconifiedByDefault(boolean) - * setIconifiedByDefault(true)}. This is the default, so nothing needs to be done. - * </p> - * <p> - * If you want the search field to always be visible, then call setIconifiedByDefault(false). - * </p> - * - * <div class="special reference"> - * <h3>Developer Guides</h3> - * <p>For information about using {@code SearchView}, read the - * <a href="{@docRoot}guide/topics/search/index.html">Search</a> developer guide.</p> - * </div> - * - * @see android.view.MenuItem#SHOW_AS_ACTION_COLLAPSE_ACTION_VIEW - * @attr ref android.R.styleable#SearchView_iconifiedByDefault - * @attr ref android.R.styleable#SearchView_imeOptions - * @attr ref android.R.styleable#SearchView_inputType - * @attr ref android.R.styleable#SearchView_maxWidth - * @attr ref android.R.styleable#SearchView_queryHint - */ -public class SearchView extends LinearLayout implements CollapsibleActionView { - - private static final boolean DBG = false; - private static final String LOG_TAG = "SearchView"; - - /** - * Private constant for removing the microphone in the keyboard. - */ - private static final String IME_OPTION_NO_MICROPHONE = "nm"; - - private OnQueryTextListener mOnQueryChangeListener; - private OnCloseListener mOnCloseListener; - private OnFocusChangeListener mOnQueryTextFocusChangeListener; - private OnSuggestionListener mOnSuggestionListener; - private OnClickListener mOnSearchClickListener; - - private boolean mIconifiedByDefault; - private boolean mIconified; - private CursorAdapter mSuggestionsAdapter; - private View mSearchButton; - private View mSubmitButton; - private View mSearchPlate; - private View mSubmitArea; - private ImageView mCloseButton; - private View mSearchEditFrame; - private View mVoiceButton; - private SearchAutoComplete mQueryTextView; - private View mDropDownAnchor; - private ImageView mSearchHintIcon; - private boolean mSubmitButtonEnabled; - private CharSequence mQueryHint; - private boolean mQueryRefinement; - private boolean mClearingFocus; - private int mMaxWidth; - private boolean mVoiceButtonEnabled; - private CharSequence mOldQueryText; - private CharSequence mUserQuery; - private boolean mExpandedInActionView; - private int mCollapsedImeOptions; - - private SearchableInfo mSearchable; - private Bundle mAppSearchData; - - /* - * SearchView can be set expanded before the IME is ready to be shown during - * initial UI setup. The show operation is asynchronous to account for this. - */ - private Runnable mShowImeRunnable = new Runnable() { - public void run() { - InputMethodManager imm = (InputMethodManager) - getContext().getSystemService(Context.INPUT_METHOD_SERVICE); - - if (imm != null) { - showSoftInputUnchecked(SearchView.this, imm, 0); - } - } - }; - - private Runnable mUpdateDrawableStateRunnable = new Runnable() { - public void run() { - updateFocusedState(); - } - }; - - private Runnable mReleaseCursorRunnable = new Runnable() { - public void run() { - if (mSuggestionsAdapter != null && mSuggestionsAdapter instanceof SuggestionsAdapter) { - mSuggestionsAdapter.changeCursor(null); - } - } - }; - - // For voice searching - private final Intent mVoiceWebSearchIntent; - private final Intent mVoiceAppSearchIntent; - - // A weak map of drawables we've gotten from other packages, so we don't load them - // more than once. - private final WeakHashMap<String, Drawable.ConstantState> mOutsideDrawablesCache = - new WeakHashMap<String, Drawable.ConstantState>(); - - /** - * Callbacks for changes to the query text. - */ - public interface OnQueryTextListener { - - /** - * Called when the user submits the query. This could be due to a key press on the - * keyboard or due to pressing a submit button. - * The listener can override the standard behavior by returning true - * to indicate that it has handled the submit request. Otherwise return false to - * let the SearchView handle the submission by launching any associated intent. - * - * @param query the query text that is to be submitted - * - * @return true if the query has been handled by the listener, false to let the - * SearchView perform the default action. - */ - boolean onQueryTextSubmit(String query); - - /** - * Called when the query text is changed by the user. - * - * @param newText the new content of the query text field. - * - * @return false if the SearchView should perform the default action of showing any - * suggestions if available, true if the action was handled by the listener. - */ - boolean onQueryTextChange(String newText); - } - - public interface OnCloseListener { - - /** - * The user is attempting to close the SearchView. - * - * @return true if the listener wants to override the default behavior of clearing the - * text field and dismissing it, false otherwise. - */ - boolean onClose(); - } - - /** - * Callback interface for selection events on suggestions. These callbacks - * are only relevant when a SearchableInfo has been specified by {@link #setSearchableInfo}. - */ - public interface OnSuggestionListener { - - /** - * Called when a suggestion was selected by navigating to it. - * @param position the absolute position in the list of suggestions. - * - * @return true if the listener handles the event and wants to override the default - * behavior of possibly rewriting the query based on the selected item, false otherwise. - */ - boolean onSuggestionSelect(int position); - - /** - * Called when a suggestion was clicked. - * @param position the absolute position of the clicked item in the list of suggestions. - * - * @return true if the listener handles the event and wants to override the default - * behavior of launching any intent or submitting a search query specified on that item. - * Return false otherwise. - */ - boolean onSuggestionClick(int position); - } - - public SearchView(Context context) { - this(context, null); - } - - public SearchView(Context context, AttributeSet attrs) { - super(context, attrs); - - if (Build.VERSION.SDK_INT < Build.VERSION_CODES.FROYO) { - throw new IllegalStateException("SearchView is API 8+ only."); - } - - LayoutInflater inflater = (LayoutInflater) context - .getSystemService(Context.LAYOUT_INFLATER_SERVICE); - inflater.inflate(R.layout.abs__search_view, this, true); - - mSearchButton = findViewById(R.id.abs__search_button); - mQueryTextView = (SearchAutoComplete) findViewById(R.id.abs__search_src_text); - mQueryTextView.setSearchView(this); - - mSearchEditFrame = findViewById(R.id.abs__search_edit_frame); - mSearchPlate = findViewById(R.id.abs__search_plate); - mSubmitArea = findViewById(R.id.abs__submit_area); - mSubmitButton = findViewById(R.id.abs__search_go_btn); - mCloseButton = (ImageView) findViewById(R.id.abs__search_close_btn); - mVoiceButton = findViewById(R.id.abs__search_voice_btn); - mSearchHintIcon = (ImageView) findViewById(R.id.abs__search_mag_icon); - - mSearchButton.setOnClickListener(mOnClickListener); - mCloseButton.setOnClickListener(mOnClickListener); - mSubmitButton.setOnClickListener(mOnClickListener); - mVoiceButton.setOnClickListener(mOnClickListener); - mQueryTextView.setOnClickListener(mOnClickListener); - - mQueryTextView.addTextChangedListener(mTextWatcher); - mQueryTextView.setOnEditorActionListener(mOnEditorActionListener); - mQueryTextView.setOnItemClickListener(mOnItemClickListener); - mQueryTextView.setOnItemSelectedListener(mOnItemSelectedListener); - mQueryTextView.setOnKeyListener(mTextKeyListener); - // Inform any listener of focus changes - mQueryTextView.setOnFocusChangeListener(new OnFocusChangeListener() { - - public void onFocusChange(View v, boolean hasFocus) { - if (mOnQueryTextFocusChangeListener != null) { - mOnQueryTextFocusChangeListener.onFocusChange(SearchView.this, hasFocus); - } - } - }); - - TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.SherlockSearchView, 0, 0); - setIconifiedByDefault(a.getBoolean(R.styleable.SherlockSearchView_iconifiedByDefault, true)); - int maxWidth = a.getDimensionPixelSize(R.styleable.SherlockSearchView_android_maxWidth, -1); - if (maxWidth != -1) { - setMaxWidth(maxWidth); - } - CharSequence queryHint = a.getText(R.styleable.SherlockSearchView_queryHint); - if (!TextUtils.isEmpty(queryHint)) { - setQueryHint(queryHint); - } - int imeOptions = a.getInt(R.styleable.SherlockSearchView_android_imeOptions, -1); - if (imeOptions != -1) { - setImeOptions(imeOptions); - } - int inputType = a.getInt(R.styleable.SherlockSearchView_android_inputType, -1); - if (inputType != -1) { - setInputType(inputType); - } - - a.recycle(); - - boolean focusable = true; - - a = context.obtainStyledAttributes(attrs, R.styleable.SherlockView, 0, 0); - focusable = a.getBoolean(R.styleable.SherlockView_android_focusable, focusable); - a.recycle(); - setFocusable(focusable); - - // Save voice intent for later queries/launching - mVoiceWebSearchIntent = new Intent(RecognizerIntent.ACTION_WEB_SEARCH); - mVoiceWebSearchIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); - mVoiceWebSearchIntent.putExtra(RecognizerIntent.EXTRA_LANGUAGE_MODEL, - RecognizerIntent.LANGUAGE_MODEL_WEB_SEARCH); - - mVoiceAppSearchIntent = new Intent(RecognizerIntent.ACTION_RECOGNIZE_SPEECH); - mVoiceAppSearchIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); - - mDropDownAnchor = findViewById(mQueryTextView.getDropDownAnchor()); - if (mDropDownAnchor != null) { - if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) { - mDropDownAnchor.addOnLayoutChangeListener(new OnLayoutChangeListener() { - @Override - public void onLayoutChange(View v, int left, int top, int right, int bottom, - int oldLeft, int oldTop, int oldRight, int oldBottom) { - adjustDropDownSizeAndPosition(); - } - }); - } else { - mDropDownAnchor.getViewTreeObserver().addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() { - @Override public void onGlobalLayout() { - adjustDropDownSizeAndPosition(); - } - }); - } - } - - updateViewsVisibility(mIconifiedByDefault); - updateQueryHint(); - } - - /** - * Sets the SearchableInfo for this SearchView. Properties in the SearchableInfo are used - * to display labels, hints, suggestions, create intents for launching search results screens - * and controlling other affordances such as a voice button. - * - * @param searchable a SearchableInfo can be retrieved from the SearchManager, for a specific - * activity or a global search provider. - */ - public void setSearchableInfo(SearchableInfo searchable) { - mSearchable = searchable; - if (mSearchable != null) { - updateSearchAutoComplete(); - updateQueryHint(); - } - // Cache the voice search capability - mVoiceButtonEnabled = hasVoiceSearch(); - - if (mVoiceButtonEnabled) { - // Disable the microphone on the keyboard, as a mic is displayed near the text box - // TODO: use imeOptions to disable voice input when the new API will be available - mQueryTextView.setPrivateImeOptions(IME_OPTION_NO_MICROPHONE); - } - updateViewsVisibility(isIconified()); - } - - /** - * Sets the APP_DATA for legacy SearchDialog use. - * @param appSearchData bundle provided by the app when launching the search dialog - * @hide - */ - public void setAppSearchData(Bundle appSearchData) { - mAppSearchData = appSearchData; - } - - /** - * Sets the IME options on the query text field. - * - * @see TextView#setImeOptions(int) - * @param imeOptions the options to set on the query text field - * - * @attr ref android.R.styleable#SearchView_imeOptions - */ - public void setImeOptions(int imeOptions) { - mQueryTextView.setImeOptions(imeOptions); - } - - /** - * Returns the IME options set on the query text field. - * @return the ime options - * @see TextView#setImeOptions(int) - * - * @attr ref android.R.styleable#SearchView_imeOptions - */ - public int getImeOptions() { - return mQueryTextView.getImeOptions(); - } - - /** - * Sets the input type on the query text field. - * - * @see TextView#setInputType(int) - * @param inputType the input type to set on the query text field - * - * @attr ref android.R.styleable#SearchView_inputType - */ - public void setInputType(int inputType) { - mQueryTextView.setInputType(inputType); - } - - /** - * Returns the input type set on the query text field. - * @return the input type - * - * @attr ref android.R.styleable#SearchView_inputType - */ - public int getInputType() { - return mQueryTextView.getInputType(); - } - - /** @hide */ - @Override - public boolean requestFocus(int direction, Rect previouslyFocusedRect) { - // Don't accept focus if in the middle of clearing focus - if (mClearingFocus) return false; - // Check if SearchView is focusable. - if (!isFocusable()) return false; - // If it is not iconified, then give the focus to the text field - if (!isIconified()) { - boolean result = mQueryTextView.requestFocus(direction, previouslyFocusedRect); - if (result) { - updateViewsVisibility(false); - } - return result; - } else { - return super.requestFocus(direction, previouslyFocusedRect); - } - } - - /** @hide */ - @Override - public void clearFocus() { - mClearingFocus = true; - setImeVisibility(false); - super.clearFocus(); - mQueryTextView.clearFocus(); - mClearingFocus = false; - } - - /** - * Sets a listener for user actions within the SearchView. - * - * @param listener the listener object that receives callbacks when the user performs - * actions in the SearchView such as clicking on buttons or typing a query. - */ - public void setOnQueryTextListener(OnQueryTextListener listener) { - mOnQueryChangeListener = listener; - } - - /** - * Sets a listener to inform when the user closes the SearchView. - * - * @param listener the listener to call when the user closes the SearchView. - */ - public void setOnCloseListener(OnCloseListener listener) { - mOnCloseListener = listener; - } - - /** - * Sets a listener to inform when the focus of the query text field changes. - * - * @param listener the listener to inform of focus changes. - */ - public void setOnQueryTextFocusChangeListener(OnFocusChangeListener listener) { - mOnQueryTextFocusChangeListener = listener; - } - - /** - * Sets a listener to inform when a suggestion is focused or clicked. - * - * @param listener the listener to inform of suggestion selection events. - */ - public void setOnSuggestionListener(OnSuggestionListener listener) { - mOnSuggestionListener = listener; - } - - /** - * Sets a listener to inform when the search button is pressed. This is only - * relevant when the text field is not visible by default. Calling {@link #setIconified - * setIconified(false)} can also cause this listener to be informed. - * - * @param listener the listener to inform when the search button is clicked or - * the text field is programmatically de-iconified. - */ - public void setOnSearchClickListener(OnClickListener listener) { - mOnSearchClickListener = listener; - } - - /** - * Returns the query string currently in the text field. - * - * @return the query string - */ - public CharSequence getQuery() { - return mQueryTextView.getText(); - } - - /** - * Sets a query string in the text field and optionally submits the query as well. - * - * @param query the query string. This replaces any query text already present in the - * text field. - * @param submit whether to submit the query right now or only update the contents of - * text field. - */ - public void setQuery(CharSequence query, boolean submit) { - mQueryTextView.setText(query); - if (query != null) { - mQueryTextView.setSelection(mQueryTextView.length()); - mUserQuery = query; - } - - // If the query is not empty and submit is requested, submit the query - if (submit && !TextUtils.isEmpty(query)) { - onSubmitQuery(); - } - } - - /** - * Sets the hint text to display in the query text field. This overrides any hint specified - * in the SearchableInfo. - * - * @param hint the hint text to display - * - * @attr ref android.R.styleable#SearchView_queryHint - */ - public void setQueryHint(CharSequence hint) { - mQueryHint = hint; - updateQueryHint(); - } - - /** - * Gets the hint text to display in the query text field. - * @return the query hint text, if specified, null otherwise. - * - * @attr ref android.R.styleable#SearchView_queryHint - */ - public CharSequence getQueryHint() { - if (mQueryHint != null) { - return mQueryHint; - } else if (mSearchable != null) { - CharSequence hint = null; - int hintId = mSearchable.getHintId(); - if (hintId != 0) { - hint = getContext().getString(hintId); - } - return hint; - } - return null; - } - - /** - * Sets the default or resting state of the search field. If true, a single search icon is - * shown by default and expands to show the text field and other buttons when pressed. Also, - * if the default state is iconified, then it collapses to that state when the close button - * is pressed. Changes to this property will take effect immediately. - * - * <p>The default value is true.</p> - * - * @param iconified whether the search field should be iconified by default - * - * @attr ref android.R.styleable#SearchView_iconifiedByDefault - */ - public void setIconifiedByDefault(boolean iconified) { - if (mIconifiedByDefault == iconified) return; - mIconifiedByDefault = iconified; - updateViewsVisibility(iconified); - updateQueryHint(); - } - - /** - * Returns the default iconified state of the search field. - * @return - * - * @attr ref android.R.styleable#SearchView_iconifiedByDefault - */ - public boolean isIconfiedByDefault() { - return mIconifiedByDefault; - } - - /** - * Iconifies or expands the SearchView. Any query text is cleared when iconified. This is - * a temporary state and does not override the default iconified state set by - * {@link #setIconifiedByDefault(boolean)}. If the default state is iconified, then - * a false here will only be valid until the user closes the field. And if the default - * state is expanded, then a true here will only clear the text field and not close it. - * - * @param iconify a true value will collapse the SearchView to an icon, while a false will - * expand it. - */ - public void setIconified(boolean iconify) { - if (iconify) { - onCloseClicked(); - } else { - onSearchClicked(); - } - } - - /** - * Returns the current iconified state of the SearchView. - * - * @return true if the SearchView is currently iconified, false if the search field is - * fully visible. - */ - public boolean isIconified() { - return mIconified; - } - - /** - * Enables showing a submit button when the query is non-empty. In cases where the SearchView - * is being used to filter the contents of the current activity and doesn't launch a separate - * results activity, then the submit button should be disabled. - * - * @param enabled true to show a submit button for submitting queries, false if a submit - * button is not required. - */ - public void setSubmitButtonEnabled(boolean enabled) { - mSubmitButtonEnabled = enabled; - updateViewsVisibility(isIconified()); - } - - /** - * Returns whether the submit button is enabled when necessary or never displayed. - * - * @return whether the submit button is enabled automatically when necessary - */ - public boolean isSubmitButtonEnabled() { - return mSubmitButtonEnabled; - } - - /** - * Specifies if a query refinement button should be displayed alongside each suggestion - * or if it should depend on the flags set in the individual items retrieved from the - * suggestions provider. Clicking on the query refinement button will replace the text - * in the query text field with the text from the suggestion. This flag only takes effect - * if a SearchableInfo has been specified with {@link #setSearchableInfo(SearchableInfo)} - * and not when using a custom adapter. - * - * @param enable true if all items should have a query refinement button, false if only - * those items that have a query refinement flag set should have the button. - * - * @see SearchManager#SUGGEST_COLUMN_FLAGS - * @see SearchManager#FLAG_QUERY_REFINEMENT - */ - public void setQueryRefinementEnabled(boolean enable) { - mQueryRefinement = enable; - if (mSuggestionsAdapter instanceof SuggestionsAdapter) { - ((SuggestionsAdapter) mSuggestionsAdapter).setQueryRefinement( - enable ? SuggestionsAdapter.REFINE_ALL : SuggestionsAdapter.REFINE_BY_ENTRY); - } - } - - /** - * Returns whether query refinement is enabled for all items or only specific ones. - * @return true if enabled for all items, false otherwise. - */ - public boolean isQueryRefinementEnabled() { - return mQueryRefinement; - } - - /** - * You can set a custom adapter if you wish. Otherwise the default adapter is used to - * display the suggestions from the suggestions provider associated with the SearchableInfo. - * - * @see #setSearchableInfo(SearchableInfo) - */ - public void setSuggestionsAdapter(CursorAdapter adapter) { - mSuggestionsAdapter = adapter; - - mQueryTextView.setAdapter(mSuggestionsAdapter); - } - - /** - * Returns the adapter used for suggestions, if any. - * @return the suggestions adapter - */ - public CursorAdapter getSuggestionsAdapter() { - return mSuggestionsAdapter; - } - - /** - * Makes the view at most this many pixels wide - * - * @attr ref android.R.styleable#SearchView_maxWidth - */ - public void setMaxWidth(int maxpixels) { - mMaxWidth = maxpixels; - - requestLayout(); - } - - /** - * Gets the specified maximum width in pixels, if set. Returns zero if - * no maximum width was specified. - * @return the maximum width of the view - * - * @attr ref android.R.styleable#SearchView_maxWidth - */ - public int getMaxWidth() { - return mMaxWidth; - } - - @Override - protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { - // Let the standard measurements take effect in iconified state. - if (isIconified()) { - super.onMeasure(widthMeasureSpec, heightMeasureSpec); - return; - } - - int widthMode = MeasureSpec.getMode(widthMeasureSpec); - int width = MeasureSpec.getSize(widthMeasureSpec); - - switch (widthMode) { - case MeasureSpec.AT_MOST: - // If there is an upper limit, don't exceed maximum width (explicit or implicit) - if (mMaxWidth > 0) { - width = Math.min(mMaxWidth, width); - } else { - width = Math.min(getPreferredWidth(), width); - } - break; - case MeasureSpec.EXACTLY: - // If an exact width is specified, still don't exceed any specified maximum width - if (mMaxWidth > 0) { - width = Math.min(mMaxWidth, width); - } - break; - case MeasureSpec.UNSPECIFIED: - // Use maximum width, if specified, else preferred width - width = mMaxWidth > 0 ? mMaxWidth : getPreferredWidth(); - break; - } - widthMode = MeasureSpec.EXACTLY; - super.onMeasure(MeasureSpec.makeMeasureSpec(width, widthMode), heightMeasureSpec); - } - - private int getPreferredWidth() { - return getContext().getResources() - .getDimensionPixelSize(R.dimen.abs__search_view_preferred_width); - } - - private void updateViewsVisibility(final boolean collapsed) { - mIconified = collapsed; - // Visibility of views that are visible when collapsed - final int visCollapsed = collapsed ? VISIBLE : GONE; - // Is there text in the query - final boolean hasText = !TextUtils.isEmpty(mQueryTextView.getText()); - - mSearchButton.setVisibility(visCollapsed); - updateSubmitButton(hasText); - mSearchEditFrame.setVisibility(collapsed ? GONE : VISIBLE); - mSearchHintIcon.setVisibility(mIconifiedByDefault ? GONE : VISIBLE); - updateCloseButton(); - updateVoiceButton(!hasText); - updateSubmitArea(); - } - - private boolean hasVoiceSearch() { - if (mSearchable != null && mSearchable.getVoiceSearchEnabled()) { - Intent testIntent = null; - if (mSearchable.getVoiceSearchLaunchWebSearch()) { - testIntent = mVoiceWebSearchIntent; - } else if (mSearchable.getVoiceSearchLaunchRecognizer()) { - testIntent = mVoiceAppSearchIntent; - } - if (testIntent != null) { - ResolveInfo ri = getContext().getPackageManager().resolveActivity(testIntent, - PackageManager.MATCH_DEFAULT_ONLY); - return ri != null; - } - } - return false; - } - - private boolean isSubmitAreaEnabled() { - return (mSubmitButtonEnabled || mVoiceButtonEnabled) && !isIconified(); - } - - private void updateSubmitButton(boolean hasText) { - int visibility = GONE; - if (mSubmitButtonEnabled && isSubmitAreaEnabled() && hasFocus() - && (hasText || !mVoiceButtonEnabled)) { - visibility = VISIBLE; - } - mSubmitButton.setVisibility(visibility); - } - - private void updateSubmitArea() { - int visibility = GONE; - if (isSubmitAreaEnabled() - && (mSubmitButton.getVisibility() == VISIBLE - || mVoiceButton.getVisibility() == VISIBLE)) { - visibility = VISIBLE; - } - mSubmitArea.setVisibility(visibility); - } - - private void updateCloseButton() { - final boolean hasText = !TextUtils.isEmpty(mQueryTextView.getText()); - // Should we show the close button? It is not shown if there's no focus, - // field is not iconified by default and there is no text in it. - final boolean showClose = hasText || (mIconifiedByDefault && !mExpandedInActionView); - mCloseButton.setVisibility(showClose ? VISIBLE : GONE); - mCloseButton.getDrawable().setState(hasText ? ENABLED_STATE_SET : EMPTY_STATE_SET); - } - - private void postUpdateFocusedState() { - post(mUpdateDrawableStateRunnable); - } - - private void updateFocusedState() { - boolean focused = mQueryTextView.hasFocus(); - mSearchPlate.getBackground().setState(focused ? FOCUSED_STATE_SET : EMPTY_STATE_SET); - mSubmitArea.getBackground().setState(focused ? FOCUSED_STATE_SET : EMPTY_STATE_SET); - invalidate(); - } - - @Override - protected void onDetachedFromWindow() { - removeCallbacks(mUpdateDrawableStateRunnable); - post(mReleaseCursorRunnable); - super.onDetachedFromWindow(); - } - - private void setImeVisibility(final boolean visible) { - if (visible) { - post(mShowImeRunnable); - } else { - removeCallbacks(mShowImeRunnable); - InputMethodManager imm = (InputMethodManager) - getContext().getSystemService(Context.INPUT_METHOD_SERVICE); - - if (imm != null) { - imm.hideSoftInputFromWindow(getWindowToken(), 0); - } - } - } - - /** - * Called by the SuggestionsAdapter - * @hide - */ - /* package */void onQueryRefine(CharSequence queryText) { - setQuery(queryText); - } - - private final OnClickListener mOnClickListener = new OnClickListener() { - - public void onClick(View v) { - if (v == mSearchButton) { - onSearchClicked(); - } else if (v == mCloseButton) { - onCloseClicked(); - } else if (v == mSubmitButton) { - onSubmitQuery(); - } else if (v == mVoiceButton) { - onVoiceClicked(); - } else if (v == mQueryTextView) { - forceSuggestionQuery(); - } - } - }; - - /** - * Handles the key down event for dealing with action keys. - * - * @param keyCode This is the keycode of the typed key, and is the same value as - * found in the KeyEvent parameter. - * @param event The complete event record for the typed key - * - * @return true if the event was handled here, or false if not. - */ - @Override - public boolean onKeyDown(int keyCode, KeyEvent event) { - if (mSearchable == null) { - return false; - } - - // if it's an action specified by the searchable activity, launch the - // entered query with the action key - // TODO SearchableInfo.ActionKeyInfo actionKey = mSearchable.findActionKey(keyCode); - // TODO if ((actionKey != null) && (actionKey.getQueryActionMsg() != null)) { - // TODO launchQuerySearch(keyCode, actionKey.getQueryActionMsg(), mQueryTextView.getText() - // TODO .toString()); - // TODO return true; - // TODO } - - return super.onKeyDown(keyCode, event); - } - - /** - * React to the user typing "enter" or other hardwired keys while typing in - * the search box. This handles these special keys while the edit box has - * focus. - */ - View.OnKeyListener mTextKeyListener = new View.OnKeyListener() { - public boolean onKey(View v, int keyCode, KeyEvent event) { - // guard against possible race conditions - if (mSearchable == null) { - return false; - } - - if (DBG) { - Log.d(LOG_TAG, "mTextListener.onKey(" + keyCode + "," + event + "), selection: " - + mQueryTextView.getListSelection()); - } - - // If a suggestion is selected, handle enter, search key, and action keys - // as presses on the selected suggestion - if (mQueryTextView.isPopupShowing() - && mQueryTextView.getListSelection() != ListView.INVALID_POSITION) { - return onSuggestionsKey(v, keyCode, event); - } - - // If there is text in the query box, handle enter, and action keys - // The search key is handled by the dialog's onKeyDown(). - if (!mQueryTextView.isEmpty() && KeyEventCompat.hasNoModifiers(event)) { - if (event.getAction() == KeyEvent.ACTION_UP) { - if (keyCode == KeyEvent.KEYCODE_ENTER) { - v.cancelLongPress(); - - // Launch as a regular search. - launchQuerySearch(KeyEvent.KEYCODE_UNKNOWN, null, mQueryTextView.getText() - .toString()); - return true; - } - } - if (event.getAction() == KeyEvent.ACTION_DOWN) { - // TODO SearchableInfo.ActionKeyInfo actionKey = mSearchable.findActionKey(keyCode); - // TODO if ((actionKey != null) && (actionKey.getQueryActionMsg() != null)) { - // TODO launchQuerySearch(keyCode, actionKey.getQueryActionMsg(), mQueryTextView - // TODO .getText().toString()); - // TODO return true; - // TODO } - } - } - return false; - } - }; - - /** - * React to the user typing while in the suggestions list. First, check for - * action keys. If not handled, try refocusing regular characters into the - * EditText. - */ - private boolean onSuggestionsKey(View v, int keyCode, KeyEvent event) { - // guard against possible race conditions (late arrival after dismiss) - if (mSearchable == null) { - return false; - } - if (mSuggestionsAdapter == null) { - return false; - } - if (event.getAction() == KeyEvent.ACTION_DOWN && KeyEventCompat.hasNoModifiers(event)) { - // First, check for enter or search (both of which we'll treat as a - // "click") - if (keyCode == KeyEvent.KEYCODE_ENTER || keyCode == KeyEvent.KEYCODE_SEARCH - || keyCode == KeyEvent.KEYCODE_TAB) { - int position = mQueryTextView.getListSelection(); - return onItemClicked(position, KeyEvent.KEYCODE_UNKNOWN, null); - } - - // Next, check for left/right moves, which we use to "return" the - // user to the edit view - if (keyCode == KeyEvent.KEYCODE_DPAD_LEFT || keyCode == KeyEvent.KEYCODE_DPAD_RIGHT) { - // give "focus" to text editor, with cursor at the beginning if - // left key, at end if right key - // TODO: Reverse left/right for right-to-left languages, e.g. - // Arabic - int selPoint = (keyCode == KeyEvent.KEYCODE_DPAD_LEFT) ? 0 : mQueryTextView - .length(); - mQueryTextView.setSelection(selPoint); - mQueryTextView.setListSelection(0); - mQueryTextView.clearListSelection(); - ensureImeVisible(mQueryTextView, true); - - return true; - } - - // Next, check for an "up and out" move - if (keyCode == KeyEvent.KEYCODE_DPAD_UP && 0 == mQueryTextView.getListSelection()) { - // TODO: restoreUserQuery(); - // let ACTV complete the move - return false; - } - - // Next, check for an "action key" - // TODO SearchableInfo.ActionKeyInfo actionKey = mSearchable.findActionKey(keyCode); - // TODO if ((actionKey != null) - // TODO && ((actionKey.getSuggestActionMsg() != null) || (actionKey - // TODO .getSuggestActionMsgColumn() != null))) { - // TODO // launch suggestion using action key column - // TODO int position = mQueryTextView.getListSelection(); - // TODO if (position != ListView.INVALID_POSITION) { - // TODO Cursor c = mSuggestionsAdapter.getCursor(); - // TODO if (c.moveToPosition(position)) { - // TODO final String actionMsg = getActionKeyMessage(c, actionKey); - // TODO if (actionMsg != null && (actionMsg.length() > 0)) { - // TODO return onItemClicked(position, keyCode, actionMsg); - // TODO } - // TODO } - // TODO } - // TODO } - } - return false; - } - - /** - * For a given suggestion and a given cursor row, get the action message. If - * not provided by the specific row/column, also check for a single - * definition (for the action key). - * - * @param c The cursor providing suggestions - * @param actionKey The actionkey record being examined - * - * @return Returns a string, or null if no action key message for this - * suggestion - */ - // TODO private static String getActionKeyMessage(Cursor c, SearchableInfo.ActionKeyInfo actionKey) { - // TODO String result = null; - // TODO // check first in the cursor data, for a suggestion-specific message - // TODO final String column = actionKey.getSuggestActionMsgColumn(); - // TODO if (column != null) { - // TODO result = SuggestionsAdapter.getColumnString(c, column); - // TODO } - // TODO // If the cursor didn't give us a message, see if there's a single - // TODO // message defined - // TODO // for the actionkey (for all suggestions) - // TODO if (result == null) { - // TODO result = actionKey.getSuggestActionMsg(); - // TODO } - // TODO return result; - // TODO } - - private int getSearchIconId() { - TypedValue outValue = new TypedValue(); - getContext().getTheme().resolveAttribute(R.attr.searchViewSearchIcon, - outValue, true); - return outValue.resourceId; - } - - private CharSequence getDecoratedHint(CharSequence hintText) { - // If the field is always expanded, then don't add the search icon to the hint - if (!mIconifiedByDefault) return hintText; - - SpannableStringBuilder ssb = new SpannableStringBuilder(" "); // for the icon - ssb.append(hintText); - Drawable searchIcon = getContext().getResources().getDrawable(getSearchIconId()); - int textSize = (int) (mQueryTextView.getTextSize() * 1.25); - searchIcon.setBounds(0, 0, textSize, textSize); - ssb.setSpan(new ImageSpan(searchIcon), 1, 2, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); - return ssb; - } - - private void updateQueryHint() { - if (mQueryHint != null) { - mQueryTextView.setHint(getDecoratedHint(mQueryHint)); - } else if (mSearchable != null) { - CharSequence hint = null; - int hintId = mSearchable.getHintId(); - if (hintId != 0) { - hint = getContext().getString(hintId); - } - if (hint != null) { - mQueryTextView.setHint(getDecoratedHint(hint)); - } - } else { - mQueryTextView.setHint(getDecoratedHint("")); - } - } - - /** - * Updates the auto-complete text view. - */ - private void updateSearchAutoComplete() { - // TODO mQueryTextView.setDropDownAnimationStyle(0); // no animation - mQueryTextView.setThreshold(mSearchable.getSuggestThreshold()); - mQueryTextView.setImeOptions(mSearchable.getImeOptions()); - int inputType = mSearchable.getInputType(); - // We only touch this if the input type is set up for text (which it almost certainly - // should be, in the case of search!) - if ((inputType & InputType.TYPE_MASK_CLASS) == InputType.TYPE_CLASS_TEXT) { - // The existence of a suggestions authority is the proxy for "suggestions - // are available here" - inputType &= ~InputType.TYPE_TEXT_FLAG_AUTO_COMPLETE; - if (mSearchable.getSuggestAuthority() != null) { - inputType |= InputType.TYPE_TEXT_FLAG_AUTO_COMPLETE; - // TYPE_TEXT_FLAG_AUTO_COMPLETE means that the text editor is performing - // auto-completion based on its own semantics, which it will present to the user - // as they type. This generally means that the input method should not show its - // own candidates, and the spell checker should not be in action. The text editor - // supplies its candidates by calling InputMethodManager.displayCompletions(), - // which in turn will call InputMethodSession.displayCompletions(). - inputType |= InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS; - } - } - mQueryTextView.setInputType(inputType); - if (mSuggestionsAdapter != null) { - mSuggestionsAdapter.changeCursor(null); - } - // attach the suggestions adapter, if suggestions are available - // The existence of a suggestions authority is the proxy for "suggestions available here" - if (mSearchable.getSuggestAuthority() != null) { - mSuggestionsAdapter = new SuggestionsAdapter(getContext(), - this, mSearchable, mOutsideDrawablesCache); - mQueryTextView.setAdapter(mSuggestionsAdapter); - ((SuggestionsAdapter) mSuggestionsAdapter).setQueryRefinement( - mQueryRefinement ? SuggestionsAdapter.REFINE_ALL - : SuggestionsAdapter.REFINE_BY_ENTRY); - } - } - - /** - * Update the visibility of the voice button. There are actually two voice search modes, - * either of which will activate the button. - * @param empty whether the search query text field is empty. If it is, then the other - * criteria apply to make the voice button visible. - */ - private void updateVoiceButton(boolean empty) { - int visibility = GONE; - if (mVoiceButtonEnabled && !isIconified() && empty) { - visibility = VISIBLE; - mSubmitButton.setVisibility(GONE); - } - mVoiceButton.setVisibility(visibility); - } - - private final OnEditorActionListener mOnEditorActionListener = new OnEditorActionListener() { - - /** - * Called when the input method default action key is pressed. - */ - public boolean onEditorAction(TextView v, int actionId, KeyEvent event) { - onSubmitQuery(); - return true; - } - }; - - private void onTextChanged(CharSequence newText) { - CharSequence text = mQueryTextView.getText(); - mUserQuery = text; - boolean hasText = !TextUtils.isEmpty(text); - updateSubmitButton(hasText); - updateVoiceButton(!hasText); - updateCloseButton(); - updateSubmitArea(); - if (mOnQueryChangeListener != null && !TextUtils.equals(newText, mOldQueryText)) { - mOnQueryChangeListener.onQueryTextChange(newText.toString()); - } - mOldQueryText = newText.toString(); - } - - private void onSubmitQuery() { - CharSequence query = mQueryTextView.getText(); - if (query != null && TextUtils.getTrimmedLength(query) > 0) { - if (mOnQueryChangeListener == null - || !mOnQueryChangeListener.onQueryTextSubmit(query.toString())) { - if (mSearchable != null) { - launchQuerySearch(KeyEvent.KEYCODE_UNKNOWN, null, query.toString()); - setImeVisibility(false); - } - dismissSuggestions(); - } - } - } - - private void dismissSuggestions() { - mQueryTextView.dismissDropDown(); - } - - private void onCloseClicked() { - CharSequence text = mQueryTextView.getText(); - if (TextUtils.isEmpty(text)) { - if (mIconifiedByDefault) { - // If the app doesn't override the close behavior - if (mOnCloseListener == null || !mOnCloseListener.onClose()) { - // hide the keyboard and remove focus - clearFocus(); - // collapse the search field - updateViewsVisibility(true); - } - } - } else { - mQueryTextView.setText(""); - mQueryTextView.requestFocus(); - setImeVisibility(true); - } - - } - - private void onSearchClicked() { - updateViewsVisibility(false); - mQueryTextView.requestFocus(); - setImeVisibility(true); - if (mOnSearchClickListener != null) { - mOnSearchClickListener.onClick(this); - } - } - - private void onVoiceClicked() { - // guard against possible race conditions - if (mSearchable == null) { - return; - } - SearchableInfo searchable = mSearchable; - try { - if (searchable.getVoiceSearchLaunchWebSearch()) { - Intent webSearchIntent = createVoiceWebSearchIntent(mVoiceWebSearchIntent, - searchable); - getContext().startActivity(webSearchIntent); - } else if (searchable.getVoiceSearchLaunchRecognizer()) { - Intent appSearchIntent = createVoiceAppSearchIntent(mVoiceAppSearchIntent, - searchable); - getContext().startActivity(appSearchIntent); - } - } catch (ActivityNotFoundException e) { - // Should not happen, since we check the availability of - // voice search before showing the button. But just in case... - Log.w(LOG_TAG, "Could not find voice search activity"); - } - } - - void onTextFocusChanged() { - updateViewsVisibility(isIconified()); - // Delayed update to make sure that the focus has settled down and window focus changes - // don't affect it. A synchronous update was not working. - postUpdateFocusedState(); - if (mQueryTextView.hasFocus()) { - forceSuggestionQuery(); - } - } - - @Override - public void onWindowFocusChanged(boolean hasWindowFocus) { - super.onWindowFocusChanged(hasWindowFocus); - - postUpdateFocusedState(); - } - - /** - * {@inheritDoc} - */ - @Override - public void onActionViewCollapsed() { - clearFocus(); - updateViewsVisibility(true); - mQueryTextView.setImeOptions(mCollapsedImeOptions); - mExpandedInActionView = false; - } - - /** - * {@inheritDoc} - */ - @Override - public void onActionViewExpanded() { - if (mExpandedInActionView) return; - - mExpandedInActionView = true; - mCollapsedImeOptions = mQueryTextView.getImeOptions(); - mQueryTextView.setImeOptions(mCollapsedImeOptions | EditorInfo.IME_FLAG_NO_FULLSCREEN); - mQueryTextView.setText(""); - setIconified(false); - } - - @Override - public void onInitializeAccessibilityEvent(AccessibilityEvent event) { - super.onInitializeAccessibilityEvent(event); - event.setClassName(SearchView.class.getName()); - } - - @Override - public void onInitializeAccessibilityNodeInfo(AccessibilityNodeInfo info) { - super.onInitializeAccessibilityNodeInfo(info); - info.setClassName(SearchView.class.getName()); - } - - private void adjustDropDownSizeAndPosition() { - if (mDropDownAnchor.getWidth() > 1) { - Resources res = getContext().getResources(); - int anchorPadding = mSearchPlate.getPaddingLeft(); - Rect dropDownPadding = new Rect(); - int iconOffset = mIconifiedByDefault - ? res.getDimensionPixelSize(R.dimen.abs__dropdownitem_icon_width) - + res.getDimensionPixelSize(R.dimen.abs__dropdownitem_text_padding_left) - : 0; - mQueryTextView.getDropDownBackground().getPadding(dropDownPadding); - mQueryTextView.setDropDownHorizontalOffset(-(dropDownPadding.left + iconOffset) - + anchorPadding); - mQueryTextView.setDropDownWidth(mDropDownAnchor.getWidth() + dropDownPadding.left - + dropDownPadding.right + iconOffset - (anchorPadding)); - } - } - - private boolean onItemClicked(int position, int actionKey, String actionMsg) { - if (mOnSuggestionListener == null - || !mOnSuggestionListener.onSuggestionClick(position)) { - launchSuggestion(position, KeyEvent.KEYCODE_UNKNOWN, null); - setImeVisibility(false); - dismissSuggestions(); - return true; - } - return false; - } - - private boolean onItemSelected(int position) { - if (mOnSuggestionListener == null - || !mOnSuggestionListener.onSuggestionSelect(position)) { - rewriteQueryFromSuggestion(position); - return true; - } - return false; - } - - private final OnItemClickListener mOnItemClickListener = new OnItemClickListener() { - - /** - * Implements OnItemClickListener - */ - public void onItemClick(AdapterView<?> parent, View view, int position, long id) { - if (DBG) Log.d(LOG_TAG, "onItemClick() position " + position); - onItemClicked(position, KeyEvent.KEYCODE_UNKNOWN, null); - } - }; - - private final OnItemSelectedListener mOnItemSelectedListener = new OnItemSelectedListener() { - - /** - * Implements OnItemSelectedListener - */ - public void onItemSelected(AdapterView<?> parent, View view, int position, long id) { - if (DBG) Log.d(LOG_TAG, "onItemSelected() position " + position); - SearchView.this.onItemSelected(position); - } - - /** - * Implements OnItemSelectedListener - */ - public void onNothingSelected(AdapterView<?> parent) { - if (DBG) - Log.d(LOG_TAG, "onNothingSelected()"); - } - }; - - /** - * Query rewriting. - */ - private void rewriteQueryFromSuggestion(int position) { - CharSequence oldQuery = mQueryTextView.getText(); - Cursor c = mSuggestionsAdapter.getCursor(); - if (c == null) { - return; - } - if (c.moveToPosition(position)) { - // Get the new query from the suggestion. - CharSequence newQuery = mSuggestionsAdapter.convertToString(c); - if (newQuery != null) { - // The suggestion rewrites the query. - // Update the text field, without getting new suggestions. - setQuery(newQuery); - } else { - // The suggestion does not rewrite the query, restore the user's query. - setQuery(oldQuery); - } - } else { - // We got a bad position, restore the user's query. - setQuery(oldQuery); - } - } - - /** - * Launches an intent based on a suggestion. - * - * @param position The index of the suggestion to create the intent from. - * @param actionKey The key code of the action key that was pressed, - * or {@link KeyEvent#KEYCODE_UNKNOWN} if none. - * @param actionMsg The message for the action key that was pressed, - * or <code>null</code> if none. - * @return true if a successful launch, false if could not (e.g. bad position). - */ - private boolean launchSuggestion(int position, int actionKey, String actionMsg) { - Cursor c = mSuggestionsAdapter.getCursor(); - if ((c != null) && c.moveToPosition(position)) { - - Intent intent = createIntentFromSuggestion(c, actionKey, actionMsg); - - // launch the intent - launchIntent(intent); - - return true; - } - return false; - } - - /** - * Launches an intent, including any special intent handling. - */ - private void launchIntent(Intent intent) { - if (intent == null) { - return; - } - try { - // If the intent was created from a suggestion, it will always have an explicit - // component here. - getContext().startActivity(intent); - } catch (RuntimeException ex) { - Log.e(LOG_TAG, "Failed launch activity: " + intent, ex); - } - } - - /** - * Sets the text in the query box, without updating the suggestions. - */ - private void setQuery(CharSequence query) { - setText(mQueryTextView, query, true); - // Move the cursor to the end - mQueryTextView.setSelection(TextUtils.isEmpty(query) ? 0 : query.length()); - } - - private void launchQuerySearch(int actionKey, String actionMsg, String query) { - String action = Intent.ACTION_SEARCH; - Intent intent = createIntent(action, null, null, query, actionKey, actionMsg); - getContext().startActivity(intent); - } - - /** - * Constructs an intent from the given information and the search dialog state. - * - * @param action Intent action. - * @param data Intent data, or <code>null</code>. - * @param extraData Data for {@link SearchManager#EXTRA_DATA_KEY} or <code>null</code>. - * @param query Intent query, or <code>null</code>. - * @param actionKey The key code of the action key that was pressed, - * or {@link KeyEvent#KEYCODE_UNKNOWN} if none. - * @param actionMsg The message for the action key that was pressed, - * or <code>null</code> if none. - * @return The intent. - */ - private Intent createIntent(String action, Uri data, String extraData, String query, - int actionKey, String actionMsg) { - // Now build the Intent - Intent intent = new Intent(action); - intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); - // We need CLEAR_TOP to avoid reusing an old task that has other activities - // on top of the one we want. We don't want to do this in in-app search though, - // as it can be destructive to the activity stack. - if (data != null) { - intent.setData(data); - } - intent.putExtra(SearchManager.USER_QUERY, mUserQuery); - if (query != null) { - intent.putExtra(SearchManager.QUERY, query); - } - if (extraData != null) { - intent.putExtra(SearchManager.EXTRA_DATA_KEY, extraData); - } - if (mAppSearchData != null) { - intent.putExtra(SearchManager.APP_DATA, mAppSearchData); - } - if (actionKey != KeyEvent.KEYCODE_UNKNOWN) { - intent.putExtra(SearchManager.ACTION_KEY, actionKey); - intent.putExtra(SearchManager.ACTION_MSG, actionMsg); - } - intent.setComponent(mSearchable.getSearchActivity()); - return intent; - } - - /** - * Create and return an Intent that can launch the voice search activity for web search. - */ - private Intent createVoiceWebSearchIntent(Intent baseIntent, SearchableInfo searchable) { - Intent voiceIntent = new Intent(baseIntent); - ComponentName searchActivity = searchable.getSearchActivity(); - voiceIntent.putExtra(RecognizerIntent.EXTRA_CALLING_PACKAGE, searchActivity == null ? null - : searchActivity.flattenToShortString()); - return voiceIntent; - } - - /** - * Create and return an Intent that can launch the voice search activity, perform a specific - * voice transcription, and forward the results to the searchable activity. - * - * @param baseIntent The voice app search intent to start from - * @return A completely-configured intent ready to send to the voice search activity - */ - private Intent createVoiceAppSearchIntent(Intent baseIntent, SearchableInfo searchable) { - ComponentName searchActivity = searchable.getSearchActivity(); - - // create the necessary intent to set up a search-and-forward operation - // in the voice search system. We have to keep the bundle separate, - // because it becomes immutable once it enters the PendingIntent - Intent queryIntent = new Intent(Intent.ACTION_SEARCH); - queryIntent.setComponent(searchActivity); - PendingIntent pending = PendingIntent.getActivity(getContext(), 0, queryIntent, - PendingIntent.FLAG_ONE_SHOT); - - // Now set up the bundle that will be inserted into the pending intent - // when it's time to do the search. We always build it here (even if empty) - // because the voice search activity will always need to insert "QUERY" into - // it anyway. - Bundle queryExtras = new Bundle(); - - // Now build the intent to launch the voice search. Add all necessary - // extras to launch the voice recognizer, and then all the necessary extras - // to forward the results to the searchable activity - Intent voiceIntent = new Intent(baseIntent); - - // Add all of the configuration options supplied by the searchable's metadata - String languageModel = RecognizerIntent.LANGUAGE_MODEL_FREE_FORM; - String prompt = null; - String language = null; - int maxResults = 1; - - Resources resources = getResources(); - if (searchable.getVoiceLanguageModeId() != 0) { - languageModel = resources.getString(searchable.getVoiceLanguageModeId()); - } - if (searchable.getVoicePromptTextId() != 0) { - prompt = resources.getString(searchable.getVoicePromptTextId()); - } - if (searchable.getVoiceLanguageId() != 0) { - language = resources.getString(searchable.getVoiceLanguageId()); - } - if (searchable.getVoiceMaxResults() != 0) { - maxResults = searchable.getVoiceMaxResults(); - } - voiceIntent.putExtra(RecognizerIntent.EXTRA_LANGUAGE_MODEL, languageModel); - voiceIntent.putExtra(RecognizerIntent.EXTRA_PROMPT, prompt); - voiceIntent.putExtra(RecognizerIntent.EXTRA_LANGUAGE, language); - voiceIntent.putExtra(RecognizerIntent.EXTRA_MAX_RESULTS, maxResults); - voiceIntent.putExtra(RecognizerIntent.EXTRA_CALLING_PACKAGE, searchActivity == null ? null - : searchActivity.flattenToShortString()); - - // Add the values that configure forwarding the results - voiceIntent.putExtra(RecognizerIntent.EXTRA_RESULTS_PENDINGINTENT, pending); - voiceIntent.putExtra(RecognizerIntent.EXTRA_RESULTS_PENDINGINTENT_BUNDLE, queryExtras); - - return voiceIntent; - } - - /** - * When a particular suggestion has been selected, perform the various lookups required - * to use the suggestion. This includes checking the cursor for suggestion-specific data, - * and/or falling back to the XML for defaults; It also creates REST style Uri data when - * the suggestion includes a data id. - * - * @param c The suggestions cursor, moved to the row of the user's selection - * @param actionKey The key code of the action key that was pressed, - * or {@link KeyEvent#KEYCODE_UNKNOWN} if none. - * @param actionMsg The message for the action key that was pressed, - * or <code>null</code> if none. - * @return An intent for the suggestion at the cursor's position. - */ - private Intent createIntentFromSuggestion(Cursor c, int actionKey, String actionMsg) { - try { - // use specific action if supplied, or default action if supplied, or fixed default - String action = getColumnString(c, SearchManager.SUGGEST_COLUMN_INTENT_ACTION); - - if (action == null) { - action = mSearchable.getSuggestIntentAction(); - } - if (action == null) { - action = Intent.ACTION_SEARCH; - } - - // use specific data if supplied, or default data if supplied - String data = getColumnString(c, SearchManager.SUGGEST_COLUMN_INTENT_DATA); - if (data == null) { - data = mSearchable.getSuggestIntentData(); - } - // then, if an ID was provided, append it. - if (data != null) { - String id = getColumnString(c, SearchManager.SUGGEST_COLUMN_INTENT_DATA_ID); - if (id != null) { - data = data + "/" + Uri.encode(id); - } - } - Uri dataUri = (data == null) ? null : Uri.parse(data); - - String query = getColumnString(c, SearchManager.SUGGEST_COLUMN_QUERY); - String extraData = getColumnString(c, SearchManager.SUGGEST_COLUMN_INTENT_EXTRA_DATA); - - return createIntent(action, dataUri, extraData, query, actionKey, actionMsg); - } catch (RuntimeException e ) { - int rowNum; - try { // be really paranoid now - rowNum = c.getPosition(); - } catch (RuntimeException e2 ) { - rowNum = -1; - } - Log.w(LOG_TAG, "Search suggestions cursor at row " + rowNum + - " returned exception.", e); - return null; - } - } - - private void forceSuggestionQuery() { - try { - Method before = AutoCompleteTextView.class.getDeclaredMethod("doBeforeTextChanged"); - Method after = AutoCompleteTextView.class.getDeclaredMethod("doAfterTextChanged"); - before.setAccessible(true); - after.setAccessible(true); - before.invoke(mQueryTextView); - after.invoke(mQueryTextView); - } catch (Exception e) { - // Oh well... - } - } - - static boolean isLandscapeMode(Context context) { - return context.getResources().getConfiguration().orientation - == Configuration.ORIENTATION_LANDSCAPE; - } - - /** - * Callback to watch the text field for empty/non-empty - */ - private TextWatcher mTextWatcher = new TextWatcher() { - - public void beforeTextChanged(CharSequence s, int start, int before, int after) { } - - public void onTextChanged(CharSequence s, int start, - int before, int after) { - SearchView.this.onTextChanged(s); - } - - public void afterTextChanged(Editable s) { - } - }; - - /** - * Local subclass for AutoCompleteTextView. - * @hide - */ - public static class SearchAutoComplete extends AutoCompleteTextView { - - private int mThreshold; - private SearchView mSearchView; - - public SearchAutoComplete(Context context) { - super(context); - mThreshold = getThreshold(); - } - - public SearchAutoComplete(Context context, AttributeSet attrs) { - super(context, attrs); - mThreshold = getThreshold(); - } - - public SearchAutoComplete(Context context, AttributeSet attrs, int defStyle) { - super(context, attrs, defStyle); - mThreshold = getThreshold(); - } - - void setSearchView(SearchView searchView) { - mSearchView = searchView; - } - - @Override - public void setThreshold(int threshold) { - super.setThreshold(threshold); - mThreshold = threshold; - } - - /** - * Returns true if the text field is empty, or contains only whitespace. - */ - private boolean isEmpty() { - return TextUtils.getTrimmedLength(getText()) == 0; - } - - /** - * We override this method to avoid replacing the query box text when a - * suggestion is clicked. - */ - @Override - protected void replaceText(CharSequence text) { - } - - /** - * We override this method to avoid an extra onItemClick being called on - * the drop-down's OnItemClickListener by - * {@link AutoCompleteTextView#onKeyUp(int, KeyEvent)} when an item is - * clicked with the trackball. - */ - @Override - public void performCompletion() { - } - - /** - * We override this method to be sure and show the soft keyboard if - * appropriate when the TextView has focus. - */ - @Override - public void onWindowFocusChanged(boolean hasWindowFocus) { - super.onWindowFocusChanged(hasWindowFocus); - - if (hasWindowFocus && mSearchView.hasFocus() && getVisibility() == VISIBLE) { - InputMethodManager inputManager = (InputMethodManager) getContext() - .getSystemService(Context.INPUT_METHOD_SERVICE); - inputManager.showSoftInput(this, 0); - // If in landscape mode, then make sure that - // the ime is in front of the dropdown. - if (isLandscapeMode(getContext())) { - ensureImeVisible(this, true); - } - } - } - - @Override - protected void onFocusChanged(boolean focused, int direction, Rect previouslyFocusedRect) { - super.onFocusChanged(focused, direction, previouslyFocusedRect); - mSearchView.onTextFocusChanged(); - } - - /** - * We override this method so that we can allow a threshold of zero, - * which ACTV does not. - */ - @Override - public boolean enoughToFilter() { - return mThreshold <= 0 || super.enoughToFilter(); - } - - @Override - public boolean onKeyPreIme(int keyCode, KeyEvent event) { - if (keyCode == KeyEvent.KEYCODE_BACK) { - // special case for the back key, we do not even try to send it - // to the drop down list but instead, consume it immediately - if (event.getAction() == KeyEvent.ACTION_DOWN && event.getRepeatCount() == 0) { - KeyEvent.DispatcherState state = getKeyDispatcherState(); - if (state != null) { - state.startTracking(event, this); - } - return true; - } else if (event.getAction() == KeyEvent.ACTION_UP) { - KeyEvent.DispatcherState state = getKeyDispatcherState(); - if (state != null) { - state.handleUpEvent(event); - } - if (event.isTracking() && !event.isCanceled()) { - mSearchView.clearFocus(); - mSearchView.setImeVisibility(false); - return true; - } - } - } - return super.onKeyPreIme(keyCode, event); - } - - } - - private static void ensureImeVisible(AutoCompleteTextView view, boolean visible) { - try { - Method method = AutoCompleteTextView.class.getMethod("ensureImeVisible", boolean.class); - method.setAccessible(true); - method.invoke(view, visible); - } catch (Exception e) { - //Oh well... - } - } - - private static void showSoftInputUnchecked(View view, InputMethodManager imm, int flags) { - try { - Method method = imm.getClass().getMethod("showSoftInputUnchecked", int.class, ResultReceiver.class); - method.setAccessible(true); - method.invoke(imm, flags, null); - } catch (Exception e) { - //Fallback to public API which hopefully does mostly the same thing - imm.showSoftInput(view, flags); - } - } - - private static void setText(AutoCompleteTextView view, CharSequence text, boolean filter) { - try { - Method method = AutoCompleteTextView.class.getMethod("setText", CharSequence.class, boolean.class); - method.setAccessible(true); - method.invoke(view, text, filter); - } catch (Exception e) { - //Fallback to public API which hopefully does mostly the same thing - view.setText(text); - } - } -} |