ui/views/debug_utils.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "ui/views/debug_utils.h"
   6
   7 #include <ostream>
   8
   9 #include "base/logging.h"
  10 #include "base/strings/utf_string_conversions.h"
  11 #include "ui/views/view.h"
  12
  13 namespace views {
  14 namespace {
  15 void PrintViewHierarchyImp(const View* view,
  16                            int indent,
  17                            std::wostringstream* out) {
  18   int ind = indent;
  19   while (ind-- > 0)
  20     *out << L' ';
  21   *out << base::UTF8ToWide(view->GetClassName());
  22   *out << L' ';
  23   *out << view->id();
  24   *out << L' ';
  25   *out << view->x() << L"," << view->y() << L",";
  26   *out << view->bounds().right() << L"," << view->bounds().bottom();
  27   *out << L' ';
  28   *out << view;
  29   *out << L'\n';
  30
  31   for (int i = 0, count = view->child_count(); i < count; ++i)
  32     PrintViewHierarchyImp(view->child_at(i), indent + 2, out);
  33 }
  34
  35 void PrintFocusHierarchyImp(const View* view,
  36                             int indent,
  37                             std::wostringstream* out) {
  38   int ind = indent;
  39   while (ind-- > 0)
  40     *out << L' ';
  41   *out << base::UTF8ToWide(view->GetClassName());
  42   *out << L' ';
  43   *out << view->id();
  44   *out << L' ';
  45   *out << view->GetClassName();
  46   *out << L' ';
  47   *out << view;
  48   *out << L'\n';
  49
  50   if (view->child_count() > 0)
  51     PrintFocusHierarchyImp(view->child_at(0), indent + 2, out);
  52
  53   const View* next_focusable = view->GetNextFocusableView();
  54   if (next_focusable)
  55     PrintFocusHierarchyImp(next_focusable, indent, out);
  56 }
  57 }  // namespace
  58
  59 void PrintViewHierarchy(const View* view) {
  60   std::wostringstream out;
  61   out << L"View hierarchy:\n";
  62   PrintViewHierarchyImp(view, 0, &out);
  63   // Error so users in the field can generate and upload logs.
  64   LOG(ERROR) << out.str();
  65 }
  66
  67 void PrintFocusHierarchy(const View* view) {
  68   std::wostringstream out;
  69   out << L"Focus hierarchy:\n";
  70   PrintFocusHierarchyImp(view, 0, &out);
  71   // Error so users in the field can generate and upload logs.
  72   LOG(ERROR) << out.str();
  73 }
  74
  75 }  // namespace views