Implement indeterminate checkbox for the generic theme....

webkit/tools/test_shell/test_shell_webthemeengine.cc

 // Copyright (c) 2010 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.
 
 // This file implements a simple generic version of the WebKitThemeEngine,
 // Since WebThemeEngine is unfortunately defined in terms of the Windows
 // Theme parameters and values, we need to translate all the values into
 // generic equivalents that we can more easily understand. This file does
 // that translation (acting as a Facade design pattern) and then uses
 // TestShellWebTheme::Control for the actual rendering of the widgets.
@@ skipping 93 matching lines @@
         CHECK_EQ(classic_state, DFCS_BUTTONCHECK | DFCS_CHECKED | DFCS_PUSHED);
         ctype = Control::kCheckedBox_Type;
         cstate = Control::kPressed_State;
         break;
       case CBS_CHECKEDDISABLED:
         CHECK_EQ(classic_state,
                  DFCS_BUTTONCHECK | DFCS_CHECKED | DFCS_INACTIVE);
         ctype = Control::kCheckedBox_Type;
         cstate = Control::kDisabled_State;
         break;
+      case CBS_MIXEDNORMAL:
+        // Classic theme can't represent mixed state checkbox. We assume
+        // it's equivalent to unchecked.
+        CHECK_EQ(classic_state, DFCS_BUTTONCHECK);
+        ctype = Control::kIndeterminateCheckBox_Type;
+        cstate = Control::kNormal_State;
+        break;
+      case CBS_MIXEDHOT:
+        CHECK_EQ(classic_state, DFCS_BUTTONCHECK | DFCS_HOT);
+        ctype = Control::kIndeterminateCheckBox_Type;
+        cstate = Control::kHot_State;
+        break;
+      case CBS_MIXEDPRESSED:
+        CHECK_EQ(classic_state, DFCS_BUTTONCHECK | DFCS_PUSHED);
+        ctype = Control::kIndeterminateCheckBox_Type;
+        cstate = Control::kPressed_State;
+        break;
+      case CBS_MIXEDDISABLED:
+        CHECK_EQ(classic_state, DFCS_BUTTONCHECK | DFCS_INACTIVE);
+        ctype = Control::kIndeterminateCheckBox_Type;
+        cstate = Control::kDisabled_State;
+        break;
       default:
         NOTREACHED();
         break;
     }
   } else if (BP_RADIOBUTTON == part) {
     switch (state) {
       case RBS_UNCHECKEDNORMAL:
         CHECK_EQ(classic_state, DFCS_BUTTONRADIO);
         ctype = Control::kUncheckedRadio_Type;
         cstate = Control::kNormal_State;
@@ skipping 417 matching lines @@
                               const WebKit::WebRect& barRect,
                               const WebKit::WebRect& valueRect,
                               bool determinate, double) {
   Control::Type ctype = Control::kProgressBar_Type;
   Control::State cstate =
       determinate ? Control::kNormal_State : Control::kIndeterminate_State;
   drawProgressBar(canvas, ctype, cstate, barRect, valueRect);
 }
 
 }  // namespace TestShellWebTheme