Add Select All to Android floating insertion menu

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

 // Copyright 2015 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.app.Activity;
 import android.app.SearchManager;
 import android.content.ClipboardManager;
@@ skipping 84 matching lines @@
     private ActionMode mActionMode;
 
     // Bit field for mappings from menu item to a flag indicating it is allowed.
     private int mAllowedMenuItems;
 
     private boolean mHidden;
 
     private boolean mEditable;
     private boolean mIsPasswordType;
     private boolean mIsInsertion;
+    private boolean mCanSelectAllForPastePopup;
 
     private boolean mUnselectAllOnDismiss;
     private String mLastSelectedText;
 
     // Tracks whether a selection is currently active.  When applied to selected text, indicates
     // whether the last selected text is still highlighted.
     private boolean mHasSelection;
 
     // Lazily created paste popup menu, triggered either via long press in an
     // editable region or from tapping the insertion handle.
@@ skipping 129 matching lines @@
         if (!isActionModeValid()) clearSelection();
     }
 
     @TargetApi(Build.VERSION_CODES.M)
     private ActionMode startFloatingActionMode() {
         ActionMode actionMode = mView.startActionMode(
                 new FloatingActionModeCallback(this, mCallback), ActionMode.TYPE_FLOATING);
         return actionMode;
     }
 
-    void createAndShowPastePopup(int x, int y) {
+    void createAndShowPastePopup(int x, int y, boolean canSelectAll) {
         if (mView.getParent() == null || mView.getVisibility() != View.VISIBLE) {
             return;
         }
 
         if (!supportsFloatingActionMode() && !canPaste()) return;
         destroyPastePopup();
+        mCanSelectAllForPastePopup = canSelectAll;
         PastePopupMenuDelegate delegate = new PastePopupMenuDelegate() {
             @Override
             public void paste() {
                 mWebContents.paste();
                 mWebContents.dismissTextHandles();
             }
 
             @Override
             public boolean canPaste() {
                 return SelectionPopupController.this.canPaste();
             }
+
+            @Override
+            public void selectAll() {
+                SelectionPopupController.this.selectAll();
+            }
+
+            @Override
+            public boolean canSelectAll() {
+                return SelectionPopupController.this.canSelectAll();
+            }
         };
         Context windowContext = mWindowAndroid.getContext().get();
         if (windowContext == null) return;
         if (supportsFloatingActionMode()) {
             mPastePopupMenu = new FloatingPastePopupMenu(windowContext, mView, delegate);
         } else {
             mPastePopupMenu = new LegacyPastePopupMenu(windowContext, mView, delegate);
         }
         showPastePopup(x, y);
     }
@@ skipping 452 matching lines @@
 
     /**
      * @return true if the current selection is an insertion point.
      */
     @VisibleForTesting
     public boolean isInsertion() {
         return mIsInsertion;
     }
 
     /**
+     * @return true if the current selection can select all.
+     */
+    @VisibleForTesting
+    public boolean canSelectAll() {
+        return mCanSelectAllForPastePopup;
+    }
+
+    /**
      * @return true if the current selection is for incognito content.
      *         Note: This should remain constant for the callback's lifetime.
      */
     private boolean isIncognito() {
         return mWebContents.isIncognito();
     }
 
     /**
      * @see ActionModeCallbackHelper#sanitizeQuery(String, int)
      */
@@ skipping 244 matching lines @@
 
                 // Remain pending until SELECTION_HANDLES_MOVED arrives.
                 if (mPendingShowActionMode) return;
             }
 
             // Rely on this method to clear |mHidden| and unhide the action mode.
             showActionModeOrClearOnFailure();
         }
     };
 }