[Android] Supporting floating select ActionModes for web content

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

 // 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.content.ActivityNotFoundException;
 import android.content.Context;
 import android.content.Intent;
-import android.view.ActionMode;
 import android.view.KeyEvent;
-import android.view.View;
 import android.view.View.MeasureSpec;
 
 import org.chromium.base.Log;
 import org.chromium.content.browser.WebActionModeCallback.ActionHandler;
 
 /**
  *  Main callback class used by ContentView.
  *
  *  This contains the superset of callbacks required to implement the browser UI and the callbacks
  *  required to implement the WebView API.
@@ skipping 56 matching lines @@
 
     /**
      * Notified when the editability of the focused node changes.
      *
      * @param editable Whether the focused node is editable.
      */
     public void onFocusedNodeEditabilityChanged(boolean editable) {
     }
 
     /**
-     * Starts an ActionMode for in-page selection.
-     * @param view The associated View.
-     * @param actionHandler The associated ActionHandler.
-     * @param floating Whether to try creating a floating ActionMode. If this
-     *                 feature is unsupported, the return value will be null.
-     * @return the SelectActionMode if creation is successful, otherwise null.
+     * Returns a WebActionModeCallback for in-page text selection.
+     * @param context the associated context.
+     * @param actionHandler the associated selection action handler.
      */
-    public WebActionMode startActionMode(
-            View view, ActionHandler actionHandler, boolean floating) {
-        if (floating) return null;
-        ActionMode.Callback callback =
-                new WebActionModeCallback(view.getContext(), actionHandler);
-        ActionMode actionMode = view.startActionMode(callback);
-        return actionMode != null ? new WebActionMode(actionMode) : null;
+    public WebActionModeCallback getWebActionModeCallback(
+            Context context, ActionHandler actionHandler) {
+        return new WebActionModeCallback(context, actionHandler);
     }
 
     /**
-     * @return whether the client supports the creation of floating ActionMode instances.
-     */
-    public boolean supportsFloatingActionMode() {
-        return false;
-    }
-
-    /**
      * Called when the contextual ActionBar is shown.
      */
     public void onContextualActionBarShown() {
     }
 
     /**
      * Called when the contextual ActionBar is hidden.
      */
     public void onContextualActionBarHidden() {
     }
@@ skipping 100 matching lines @@
      * ContentViewClient users can return a custom value to override the height of
      * the ContentView. By default, this method returns MeasureSpec.UNSPECIFIED, which
      * indicates that the value should not be overridden.
      *
      * @return The desired height of the ContentView.
      */
     public int getDesiredHeightMeasureSpec() {
         return UNSPECIFIED_MEASURE_SPEC;
     }
 }