Let embedder provide select action mode

content/public/android/java/src/org/chromium/content/browser/WebActionModeCallback.java

Index: content/public/android/java/src/org/chromium/content/browser/WebActionModeCallback.java
diff --git a/content/public/android/java/src/org/chromium/content/browser/WebActionModeCallback.java b/content/public/android/java/src/org/chromium/content/browser/WebActionModeCallback.java
deleted file mode 100644
index 088fb3947385417124b3206e489545d009de6e1a..0000000000000000000000000000000000000000
--- a/content/public/android/java/src/org/chromium/content/browser/WebActionModeCallback.java
+++ /dev/null
@@ -1,305 +0,0 @@
-// Copyright 2012 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.content.browser;
-
-import android.annotation.TargetApi;
-import android.content.ClipboardManager;
-import android.content.Context;
-import android.content.Intent;
-import android.content.pm.PackageManager;
-import android.content.pm.ResolveInfo;
-import android.content.res.Resources;
-import android.graphics.Rect;
-import android.os.Build;
-import android.view.ActionMode;
-import android.view.Menu;
-import android.view.MenuInflater;
-import android.view.MenuItem;
-import android.view.View;
-
-import org.chromium.content.R;
-import org.chromium.ui.base.DeviceFormFactor;
-
-import java.util.List;
-
-/**
- * An ActionMode.Callback for in-page web content selection. This class handles both the editable
- * and non-editable cases.
- */
-public class WebActionModeCallback implements ActionMode.Callback {
-    /**
-     * An interface to retrieve information about the current selection, and also to perform
-     * actions based on the selection or when the action bar is dismissed.
-     */
-    public interface ActionHandler {
-        /**
-         * Perform a select all action.
-         */
-        void selectAll();
-
-        /**
-         * Perform a copy (to clipboard) action.
-         */
-        void copy();
-
-        /**
-         * Perform a cut (to clipboard) action.
-         */
-        void cut();
-
-        /**
-         * Perform a paste action.
-         */
-        void paste();
-
-        /**
-         * Perform a share action.
-         */
-        void share();
-
-        /**
-         * Perform a processText action (translating the text, for example).
-         */
-        void processText(Intent intent);
-
-        /**
-         * Perform a search action.
-         */
-        void search();
-
-        /**
-         * @return true iff the current selection is editable (e.g. text within an input field).
-         */
-        boolean isSelectionEditable();
-
-        /**
-         * Called when the onDestroyActionMode of the SelectActionmodeCallback is called.
-         */
-        void onDestroyActionMode();
-
-        /**
-         * Called when the onGetContentRect of the SelectActionModeCallback is called.
-         * @param outRect The Rect to be populated with the content position.
-         */
-        void onGetContentRect(Rect outRect);
-
-        /**
-         * @return true if the current selection is of password type.
-         */
-        boolean isSelectionPassword();
-
-        /**
-         * @return true if the current selection is an insertion point.
-         */
-        boolean isInsertion();
-
-        /**
-         * @return true if the current selection is for incognito content.
-         *         Note: This should remain constant for the callback's lifetime.
-         */
-        boolean isIncognito();
-
-        /**
-         * @param actionModeItem the flag for the action mode item in question. The valid flags are
-         *        {@link #MENU_ITEM_SHARE}, {@link #MENU_ITEM_WEB_SEARCH}, and
-         *        {@link #MENU_ITEM_PROCESS_TEXT}.
-         * @return true if the menu item action is allowed. Otherwise, the menu item
-         *         should be removed from the menu.
-         */
-        boolean isSelectActionModeAllowed(int actionModeItem);
-    }
-
-    // TODO(hush): Use these constants from android.webkit.WebSettings, when they are made
-    // available. crbug.com/546762.
-    public static final int MENU_ITEM_SHARE = 1 << 0;
-    public static final int MENU_ITEM_WEB_SEARCH = 1 << 1;
-    public static final int MENU_ITEM_PROCESS_TEXT = 1 << 2;
-
-    protected final ActionHandler mActionHandler;
-    private final Context mContext;
-    private boolean mEditable;
-    private boolean mIsPasswordType;
-    private boolean mIsInsertion;
-    private boolean mIsDestroyed;
-
-    public WebActionModeCallback(Context context, ActionHandler actionHandler) {
-        mContext = context;
-        mActionHandler = actionHandler;
-    }
-
-    protected Context getContext() {
-        return mContext;
-    }
-
-    @Override
-    public boolean onCreateActionMode(ActionMode mode, Menu menu) {
-        mode.setTitle(DeviceFormFactor.isTablet(getContext())
-                        ? getContext().getString(R.string.actionbar_textselection_title)
-                        : null);
-        mode.setSubtitle(null);
-        mEditable = mActionHandler.isSelectionEditable();
-        mIsPasswordType = mActionHandler.isSelectionPassword();
-        mIsInsertion = mActionHandler.isInsertion();
-        createActionMenu(mode, menu);
-        return true;
-    }
-
-    @Override
-    public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
-        boolean isEditableNow = mActionHandler.isSelectionEditable();
-        boolean isPasswordNow = mActionHandler.isSelectionPassword();
-        boolean isInsertionNow = mActionHandler.isInsertion();
-        if (mEditable != isEditableNow || mIsPasswordType != isPasswordNow
-                || mIsInsertion != isInsertionNow) {
-            mEditable = isEditableNow;
-            mIsPasswordType = isPasswordNow;
-            mIsInsertion = isInsertionNow;
-            menu.clear();
-            createActionMenu(mode, menu);
-            return true;
-        }
-        return false;
-    }
-
-    private void createActionMenu(ActionMode mode, Menu menu) {
-        try {
-            mode.getMenuInflater().inflate(R.menu.select_action_menu, menu);
-        } catch (Resources.NotFoundException e) {
-            // TODO(tobiasjs) by the time we get here we have already
-            // caused a resource loading failure to be logged. WebView
-            // resource access needs to be improved so that this
-            // logspam can be avoided.
-            new MenuInflater(getContext()).inflate(R.menu.select_action_menu, menu);
-        }
-
-        if (!mEditable || !canPaste()) {
-            menu.removeItem(R.id.select_action_menu_paste);
-        }
-
-        if (mIsInsertion) {
-            menu.removeItem(R.id.select_action_menu_select_all);
-            menu.removeItem(R.id.select_action_menu_cut);
-            menu.removeItem(R.id.select_action_menu_copy);
-            menu.removeItem(R.id.select_action_menu_share);
-            menu.removeItem(R.id.select_action_menu_web_search);
-            return;
-        }
-
-        if (!mEditable) {
-            menu.removeItem(R.id.select_action_menu_cut);
-        }
-
-        if (mEditable || !mActionHandler.isSelectActionModeAllowed(MENU_ITEM_SHARE)) {
-            menu.removeItem(R.id.select_action_menu_share);
-        }
-
-        if (mEditable || mActionHandler.isIncognito()
-                || !mActionHandler.isSelectActionModeAllowed(MENU_ITEM_WEB_SEARCH)) {
-            menu.removeItem(R.id.select_action_menu_web_search);
-        }
-
-        if (mIsPasswordType) {
-            menu.removeItem(R.id.select_action_menu_copy);
-            menu.removeItem(R.id.select_action_menu_cut);
-            return;
-        }
-
-        initializeTextProcessingMenu(menu);
-    }
-
-    @Override
-    public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
-        if (mIsDestroyed) return true;
-
-        int id = item.getItemId();
-        int groupId = item.getGroupId();
-
-        if (id == R.id.select_action_menu_select_all) {
-            mActionHandler.selectAll();
-        } else if (id == R.id.select_action_menu_cut) {
-            mActionHandler.cut();
-            mode.finish();
-        } else if (id == R.id.select_action_menu_copy) {
-            mActionHandler.copy();
-            mode.finish();
-        } else if (id == R.id.select_action_menu_paste) {
-            mActionHandler.paste();
-            mode.finish();
-        } else if (id == R.id.select_action_menu_share) {
-            mActionHandler.share();
-            mode.finish();
-        } else if (id == R.id.select_action_menu_web_search) {
-            mActionHandler.search();
-            mode.finish();
-        } else if (groupId == R.id.select_action_menu_text_processing_menus) {
-            mActionHandler.processText(item.getIntent());
-            // The ActionMode is not dismissed to match the behavior with
-            // TextView in Android M.
-        } else {
-            return false;
-        }
-        return true;
-    }
-
-    @Override
-    public void onDestroyActionMode(ActionMode mode) {
-        mIsDestroyed = true;
-        mActionHandler.onDestroyActionMode();
-    }
-
-    /**
-     * Called when an ActionMode needs to be positioned on screen, potentially occluding view
-     * content. Note this may be called on a per-frame basis.
-     *
-     * @param mode The ActionMode that requires positioning.
-     * @param view The View that originated the ActionMode, in whose coordinates the Rect should
-     *             be provided.
-     * @param outRect The Rect to be populated with the content position.
-     */
-    public void onGetContentRect(ActionMode mode, View view, Rect outRect) {
-        if (mIsDestroyed) return;
-        mActionHandler.onGetContentRect(outRect);
-    }
-
-    private boolean canPaste() {
-        ClipboardManager clipMgr = (ClipboardManager)
-                getContext().getSystemService(Context.CLIPBOARD_SERVICE);
-        return clipMgr.hasPrimaryClip();
-    }
-
-    /**
-     * Intialize the menu items for processing text, if there is any.
-     */
-    private void initializeTextProcessingMenu(Menu menu) {
-        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M
-                || !mActionHandler.isSelectActionModeAllowed(MENU_ITEM_PROCESS_TEXT)) {
-            return;
-        }
-
-        PackageManager packageManager = getContext().getPackageManager();
-        List<ResolveInfo> supportedActivities =
-                packageManager.queryIntentActivities(createProcessTextIntent(), 0);
-        for (int i = 0; i < supportedActivities.size(); i++) {
-            ResolveInfo resolveInfo = supportedActivities.get(i);
-            CharSequence label = resolveInfo.loadLabel(getContext().getPackageManager());
-            menu.add(R.id.select_action_menu_text_processing_menus, Menu.NONE, i, label)
-                    .setIntent(createProcessTextIntentForResolveInfo(resolveInfo))
-                    .setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
-        }
-    }
-
-    @TargetApi(Build.VERSION_CODES.M)
-    private Intent createProcessTextIntent() {
-        return new Intent().setAction(Intent.ACTION_PROCESS_TEXT).setType("text/plain");
-    }
-
-    @TargetApi(Build.VERSION_CODES.M)
-    private Intent createProcessTextIntentForResolveInfo(ResolveInfo info) {
-        boolean isReadOnly = !mActionHandler.isSelectionEditable();
-        return createProcessTextIntent()
-                .putExtra(Intent.EXTRA_PROCESS_TEXT_READONLY, isReadOnly)
-                .setClassName(info.activityInfo.packageName, info.activityInfo.name);
-    }
-}