[Downloads UI] Implement search

chrome/android/java/src/org/chromium/chrome/browser/widget/selection/SelectionToolbar.java

Index: chrome/android/java/src/org/chromium/chrome/browser/widget/selection/SelectionToolbar.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/widget/selection/SelectionToolbar.java b/chrome/android/java/src/org/chromium/chrome/browser/widget/selection/SelectionToolbar.java
deleted file mode 100644
index ae56de8498abd5007a9d1287e2c778c6c4de9bc4..0000000000000000000000000000000000000000
--- a/chrome/android/java/src/org/chromium/chrome/browser/widget/selection/SelectionToolbar.java
+++ /dev/null
@@ -1,259 +0,0 @@
-// Copyright 2016 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-package org.chromium.chrome.browser.widget.selection;
-
-import android.app.Activity;
-import android.content.Context;
-import android.support.annotation.CallSuper;
-import android.support.v4.widget.DrawerLayout;
-import android.support.v7.app.ActionBarDrawerToggle;
-import android.support.v7.widget.Toolbar;
-import android.util.AttributeSet;
-import android.view.View;
-import android.view.View.OnClickListener;
-
-import org.chromium.base.ApiCompatibilityUtils;
-import org.chromium.chrome.R;
-import org.chromium.chrome.browser.widget.NumberRollView;
-import org.chromium.chrome.browser.widget.TintedDrawable;
-import org.chromium.chrome.browser.widget.selection.SelectionDelegate.SelectionObserver;
-
-import java.util.List;
-
-import javax.annotation.Nullable;
-
-/**
- * A toolbar that changes its view depending on whether a selection is established. The XML inflated
- * for this class must include number_roll_view.xml.
- *
- * @param <E> The type of the selectable items this toolbar interacts with.
- */
-public class SelectionToolbar<E> extends Toolbar implements SelectionObserver<E>, OnClickListener {
-    /** No navigation button is displayed. **/
-    protected static final int NAVIGATION_BUTTON_NONE = 0;
-    /** Button to open the DrawerLayout. Only valid if mDrawerLayout is set. **/
-    protected static final int NAVIGATION_BUTTON_MENU = 1;
-    /** Button to navigate back. This calls {@link #onNavigationBack()}. **/
-    protected static final int NAVIGATION_BUTTON_BACK = 2;
-    /** Button to clear the selection. **/
-    protected static final int NAVIGATION_BUTTON_SELECTION_BACK = 3;
-
-    protected boolean mIsSelectionEnabled;
-    protected SelectionDelegate<E> mSelectionDelegate;
-
-    protected NumberRollView mNumberRollView;
-    private DrawerLayout mDrawerLayout;
-    private ActionBarDrawerToggle mActionBarDrawerToggle;
-    private int mNavigationButton;
-    private int mTitleResId;
-    private int mNormalBackgroundColor;
-    protected int mNormalGroupResId;
-    protected int mSelectedGroupResId;
-
-    /**
-     * Constructor for inflating from XML.
-     */
-    public SelectionToolbar(Context context, AttributeSet attrs) {
-        super(context, attrs);
-    }
-
-    /**
-     * Destroys and cleans up itself.
-     */
-    public void destroy() {
-        if (mSelectionDelegate != null) {
-            mSelectionDelegate.removeObserver(this);
-        }
-    }
-
-    /**
-     * Initializes the SelectionToolbar.
-     *
-     * @param delegate The SelectionDelegate that will inform the toolbar of selection changes.
-     * @param titleResId The resource id of the title string. May be 0 if this class shouldn't set
-     *                   set a title when the selection is cleared.
-     * @param drawerLayout The DrawerLayout whose navigation icon is displayed in this toolbar.
-     * @param normalGroupResId The resource id of the menu group to show when a selection isn't
-     *                         established.
-     * @param selectedGroupResId The resource id of the menu item to show when a selection is
-     *                           established.
-     * @param normalBackgroundColorResId The resource id of the color to use as the background color
-     *                                   when selection is not enabled. If null the default appbar
-     *                                   background color will be used.
-     */
-    public void initialize(SelectionDelegate<E> delegate, int titleResId,
-            @Nullable DrawerLayout drawerLayout, int normalGroupResId, int selectedGroupResId,
-            @Nullable Integer normalBackgroundColorResId) {
-        mTitleResId = titleResId;
-        mDrawerLayout = drawerLayout;
-        mNormalGroupResId = normalGroupResId;
-        mSelectedGroupResId = selectedGroupResId;
-
-        mSelectionDelegate = delegate;
-        mSelectionDelegate.addObserver(this);
-
-        if (mDrawerLayout != null) initActionBarDrawerToggle();
-
-        normalBackgroundColorResId = normalBackgroundColorResId != null ? normalBackgroundColorResId
-                : R.color.appbar_background;
-        mNormalBackgroundColor =
-                ApiCompatibilityUtils.getColor(getResources(), normalBackgroundColorResId);
-        setBackgroundColor(mNormalBackgroundColor);
-        if (mTitleResId != 0) setTitle(mTitleResId);
-    }
-
-    @Override
-    protected void onFinishInflate() {
-        super.onFinishInflate();
-        mNumberRollView = (NumberRollView) findViewById(R.id.selection_mode_number);
-        mNumberRollView.setContentDescriptionString(R.plurals.accessibility_selected_items);
-    }
-
-    @Override
-    @CallSuper
-    public void onSelectionStateChange(List<E> selectedItems) {
-        boolean wasSelectionEnabled = mIsSelectionEnabled;
-        mIsSelectionEnabled = mSelectionDelegate.isSelectionEnabled();
-
-        // If onSelectionStateChange() gets called before onFinishInflate(), mNumberRollView
-        // will be uninitialized. See crbug.com/637948.
-        if (mNumberRollView == null) {
-            mNumberRollView = (NumberRollView) findViewById(R.id.selection_mode_number);
-        }
-
-        if (mIsSelectionEnabled) {
-            // TODO(twellington): add the concept of normal & selected tint to apply to all
-            //                    toolbar buttons.
-            setOverflowIcon(TintedDrawable.constructTintedDrawable(getResources(),
-                    R.drawable.btn_menu, android.R.color.white));
-            setNavigationButton(NAVIGATION_BUTTON_SELECTION_BACK);
-            setTitle(null);
-
-            getMenu().setGroupVisible(mNormalGroupResId, false);
-            getMenu().setGroupVisible(mSelectedGroupResId, true);
-
-            setBackgroundColor(
-                    ApiCompatibilityUtils.getColor(getResources(), R.color.light_active_color));
-
-            mNumberRollView.setVisibility(View.VISIBLE);
-            if (!wasSelectionEnabled) mNumberRollView.setNumber(0, false);
-            mNumberRollView.setNumber(selectedItems.size(), true);
-        } else {
-            setOverflowIcon(TintedDrawable.constructTintedDrawable(getResources(),
-                    R.drawable.btn_menu));
-            getMenu().setGroupVisible(mNormalGroupResId, true);
-            getMenu().setGroupVisible(mSelectedGroupResId, false);
-            setBackgroundColor(mNormalBackgroundColor);
-
-            if (mTitleResId != 0) setTitle(mTitleResId);
-            setNavigationButton(NAVIGATION_BUTTON_MENU);
-
-            mNumberRollView.setVisibility(View.GONE);
-            mNumberRollView.setNumber(0, false);
-        }
-
-        if (mIsSelectionEnabled && !wasSelectionEnabled) {
-            announceForAccessibility(
-                    getResources().getString(R.string.accessibility_toolbar_screen_position));
-        }
-    }
-
-    @Override
-    public void onClick(View view) {
-        switch (mNavigationButton) {
-            case NAVIGATION_BUTTON_NONE:
-                break;
-            case NAVIGATION_BUTTON_MENU:
-                // ActionBarDrawerToggle handles this.
-                break;
-            case NAVIGATION_BUTTON_BACK:
-                onNavigationBack();
-                break;
-            case NAVIGATION_BUTTON_SELECTION_BACK:
-                mSelectionDelegate.clearSelection();
-                break;
-            default:
-                assert false : "Incorrect navigation button state";
-        }
-    }
-
-    /**
-     * Handle a click on the navigation back button. Subclasses should override this method if
-     * navigation back is a valid toolbar action.
-     */
-    protected void onNavigationBack() {}
-
-    /**
-     * Update the current navigation button (the top-left icon on LTR)
-     * @param navigationButton one of NAVIGATION_BUTTON_* constants.
-     */
-    protected void setNavigationButton(int navigationButton) {
-        int iconResId = 0;
-        int contentDescriptionId = 0;
-
-        if (navigationButton == NAVIGATION_BUTTON_MENU && mDrawerLayout == null) {
-            mNavigationButton = NAVIGATION_BUTTON_NONE;
-        } else {
-            mNavigationButton = navigationButton;
-        }
-
-        if (mNavigationButton == NAVIGATION_BUTTON_MENU) {
-            initActionBarDrawerToggle();
-            // ActionBarDrawerToggle will take care of icon and content description, so just return.
-            return;
-        }
-
-        if (mActionBarDrawerToggle != null) {
-            mActionBarDrawerToggle.setDrawerIndicatorEnabled(false);
-            mDrawerLayout.addDrawerListener(null);
-        }
-
-        setNavigationOnClickListener(this);
-
-        switch (mNavigationButton) {
-            case NAVIGATION_BUTTON_NONE:
-                break;
-            case NAVIGATION_BUTTON_BACK:
-                // TODO(twellington): use ic_arrow_back_white_24dp and tint it.
-                iconResId = R.drawable.back_normal;
-                contentDescriptionId = R.string.accessibility_toolbar_btn_back;
-                break;
-            case NAVIGATION_BUTTON_SELECTION_BACK:
-                // TODO(twellington): use btn_close and tint it.
-                iconResId = R.drawable.btn_close_white;
-                contentDescriptionId = R.string.accessibility_cancel_selection;
-                break;
-            default:
-                assert false : "Incorrect navigationButton argument";
-        }
-
-        if (iconResId == 0) {
-            setNavigationIcon(null);
-        } else {
-            setNavigationIcon(iconResId);
-        }
-        setNavigationContentDescription(contentDescriptionId);
-    }
-
-    /**
-     * Called when the data in the selectable list this toolbar is associated with changes.
-     * @param numItems The number of items in the selectable list.
-     */
-    protected void onDataChanged(int numItems) {}
-
-    /**
-     * Set up ActionBarDrawerToggle, a.k.a. hamburger button.
-     */
-    private void initActionBarDrawerToggle() {
-        // Sadly, the only way to set correct toolbar button listener for ActionBarDrawerToggle
-        // is constructing, so we will need to construct every time we re-show this button.
-        mActionBarDrawerToggle = new ActionBarDrawerToggle((Activity) getContext(),
-                mDrawerLayout, this,
-                R.string.accessibility_drawer_toggle_btn_open,
-                R.string.accessibility_drawer_toggle_btn_close);
-        mDrawerLayout.addDrawerListener(mActionBarDrawerToggle);
-        mActionBarDrawerToggle.syncState();
-    }
-}