Elide text in the new Autofill UI

chrome/browser/ui/autofill/autofill_popup_controller_unittest.cc

 // Copyright (c) 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.
 
 #include "base/memory/scoped_ptr.h"
+#include "base/utf_string_conversions.h"
 #include "chrome/browser/autofill/test_autofill_external_delegate.h"
 #include "chrome/browser/ui/autofill/autofill_popup_controller_impl.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebAutofillClient.h"
 #include "ui/gfx/rect.h"
 
 using ::testing::_;
 using ::testing::AtLeast;
 using WebKit::WebAutofillClient;
@@ skipping 15 matching lines @@
 };
 
 class TestAutofillPopupController : public AutofillPopupControllerImpl {
  public:
   explicit TestAutofillPopupController(
       AutofillExternalDelegate* external_delegate)
       : AutofillPopupControllerImpl(external_delegate, NULL, gfx::Rect()) {}
   virtual ~TestAutofillPopupController() {}
 
   // Making protected functions public for testing
+  const std::vector<string16>& names() const {
+    return AutofillPopupControllerImpl::names();
+  }
   const std::vector<string16>& subtexts() const {
     return AutofillPopupControllerImpl::subtexts();
   }
   int selected_line() const {
     return AutofillPopupControllerImpl::selected_line();
   }
   void SetSelectedLine(size_t selected_line) {
     AutofillPopupControllerImpl::SetSelectedLine(selected_line);
   }
   void SelectNextLine() {
     AutofillPopupControllerImpl::SelectNextLine();
   }
   void SelectPreviousLine() {
     AutofillPopupControllerImpl::SelectPreviousLine();
   }
   bool RemoveSelectedLine() {
     return AutofillPopupControllerImpl::RemoveSelectedLine();
   }
   void DoHide() {
     AutofillPopupControllerImpl::Hide();
   }
+#if !defined(OS_ANDROID)
+  const gfx::Font& name_font() const {
+    return AutofillPopupControllerImpl::name_font();
+  }
+  const gfx::Font& subtext_font() const {
+    return AutofillPopupControllerImpl::subtext_font();
+  }
+#endif
 
   MOCK_METHOD1(InvalidateRow, void(size_t));
   MOCK_METHOD0(UpdateBoundsAndRedrawPopup, void());
   MOCK_METHOD0(Hide, void());
+  MOCK_METHOD0(MaxVisiblePopupWidth, int());
 
  private:
   virtual void ShowView() OVERRIDE {}
 };
 
 }  // namespace
 
 class AutofillPopupControllerUnitTest : public ::testing::Test {
  public:
   AutofillPopupControllerUnitTest()
@@ skipping 175 matching lines @@
           NULL,
           bounds);
   EXPECT_EQ(
       bounds,
       static_cast<AutofillPopupController*>(controller3)->element_bounds());
   controller3->Hide();
 
   EXPECT_CALL(delegate, ControllerDestroyed());
   delete test_controller;
 }
+
+#if !defined(OS_ANDROID)
+TEST_F(AutofillPopupControllerUnitTest, ElideText) {
+  std::vector<string16> names;
+  names.push_back(ASCIIToUTF16("Text that will need to be trimmed"));
+  names.push_back(ASCIIToUTF16("Untrimmed"));
+
+  std::vector<string16> subtexts;
+  subtexts.push_back(ASCIIToUTF16("Label that will be trimmed"));
+  subtexts.push_back(ASCIIToUTF16("Untrimmed"));
+
+  std::vector<string16> icons(2, string16());
+  std::vector<int> autofill_ids(2, 0);
+
+  // Ensure the popup will be too small to display all of the first row.
+  int popup_max_width =
+      autofill_popup_controller_->name_font().GetStringWidth(names[0]) +
+      autofill_popup_controller_->subtext_font().GetStringWidth(subtexts[0]) -
+      25;
+
+  EXPECT_CALL(*autofill_popup_controller_, MaxVisiblePopupWidth()).WillOnce(
+      testing::Return(popup_max_width));
+
+  autofill_popup_controller_->Show(names, subtexts, icons, autofill_ids);
+
+  // The first element was long so it should have been trimmed.
+  EXPECT_NE(names[0], autofill_popup_controller_->names()[0]);
+  EXPECT_NE(subtexts[0], autofill_popup_controller_->subtexts()[0]);
+
+  // The second element was shorter so it should be unchanged.
+  EXPECT_EQ(names[1], autofill_popup_controller_->names()[1]);
+  EXPECT_EQ(subtexts[1], autofill_popup_controller_->subtexts()[1]);
+}
+#endif