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      1 // Copyright 2014 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 "chrome/browser/ui/app_list/app_list_shower_views.h"
      6 
      7 #include "base/files/file_path.h"
      8 #include "chrome/browser/apps/scoped_keep_alive.h"
      9 #include "chrome/browser/profiles/profile.h"
     10 #include "chrome/browser/ui/app_list/app_list_shower_delegate.h"
     11 #include "chrome/browser/ui/app_list/test/fake_profile.h"
     12 #include "testing/gtest/include/gtest/gtest.h"
     13 
     14 namespace {
     15 
     16 class FakeAppListShower : public AppListShower {
     17  public:
     18   explicit FakeAppListShower(AppListShowerDelegate* delegate)
     19       : AppListShower(delegate), has_view_(false), visible_(false) {}
     20 
     21   // AppListShower:
     22   virtual void HandleViewBeingDestroyed() OVERRIDE {
     23     AppListShower::HandleViewBeingDestroyed();
     24     has_view_ = false;
     25     visible_ = false;
     26   }
     27 
     28   virtual bool IsAppListVisible() const OVERRIDE { return visible_; }
     29 
     30   virtual app_list::AppListView* MakeViewForCurrentProfile() OVERRIDE {
     31     has_view_ = true;
     32     return NULL;
     33   }
     34 
     35   virtual void UpdateViewForNewProfile() OVERRIDE {}
     36 
     37   virtual void Show() OVERRIDE {
     38     visible_ = true;
     39   }
     40 
     41   virtual void Hide() OVERRIDE {
     42     visible_ = false;
     43   }
     44 
     45   virtual bool HasView() const OVERRIDE {
     46     return has_view_;
     47   }
     48 
     49  private:
     50   bool has_view_;
     51   bool visible_;
     52 
     53   DISALLOW_COPY_AND_ASSIGN(FakeAppListShower);
     54 };
     55 
     56 }  // namespace
     57 
     58 class AppListShowerUnitTest : public testing::Test,
     59                               public AppListShowerDelegate {
     60  public:
     61   AppListShowerUnitTest()
     62       : views_created_(0),
     63         views_dismissed_(0) {}
     64 
     65   virtual void SetUp() OVERRIDE {
     66     shower_.reset(new FakeAppListShower(this));
     67     profile1_ = CreateProfile("p1").Pass();
     68     profile2_ = CreateProfile("p2").Pass();
     69   }
     70 
     71   virtual void TearDown() OVERRIDE {
     72   }
     73 
     74   scoped_ptr<FakeProfile> CreateProfile(const std::string& name) {
     75     return make_scoped_ptr(new FakeProfile(name));
     76   }
     77 
     78   // AppListShowerDelegate:
     79   virtual AppListViewDelegate* GetViewDelegateForCreate() OVERRIDE {
     80     return NULL;
     81   }
     82 
     83   bool HasKeepAlive() const {
     84     return shower_->keep_alive_.get() != NULL;
     85   }
     86 
     87   virtual void OnViewCreated() OVERRIDE { ++views_created_; }
     88   virtual void OnViewDismissed() OVERRIDE { ++views_dismissed_; }
     89   virtual void MoveNearCursor(app_list::AppListView* view) OVERRIDE {}
     90 
     91  protected:
     92   scoped_ptr<FakeAppListShower> shower_;
     93   scoped_ptr<FakeProfile> profile1_;
     94   scoped_ptr<FakeProfile> profile2_;
     95 
     96   int views_created_;
     97   int views_dismissed_;
     98 };
     99 
    100 TEST_F(AppListShowerUnitTest, Preconditions) {
    101   EXPECT_FALSE(shower_->IsAppListVisible());
    102   EXPECT_FALSE(shower_->HasView());
    103   EXPECT_FALSE(HasKeepAlive());
    104 }
    105 
    106 TEST_F(AppListShowerUnitTest, ShowForProfilePutsViewOnScreen) {
    107   shower_->ShowForProfile(profile1_.get());
    108   EXPECT_TRUE(shower_->IsAppListVisible());
    109   EXPECT_TRUE(shower_->HasView());
    110   EXPECT_TRUE(HasKeepAlive());
    111 }
    112 
    113 TEST_F(AppListShowerUnitTest, HidingViewRemovesKeepalive) {
    114   shower_->ShowForProfile(profile1_.get());
    115   shower_->DismissAppList();
    116   EXPECT_FALSE(shower_->IsAppListVisible());
    117   EXPECT_TRUE(shower_->HasView());
    118   EXPECT_FALSE(HasKeepAlive());
    119 }
    120 
    121 TEST_F(AppListShowerUnitTest, HideAndShowReusesView) {
    122   EXPECT_EQ(0, views_created_);
    123   shower_->ShowForProfile(profile1_.get());
    124   EXPECT_EQ(1, views_created_);
    125   EXPECT_EQ(0, views_dismissed_);
    126   shower_->DismissAppList();
    127   EXPECT_EQ(1, views_dismissed_);
    128   shower_->ShowForProfile(profile1_.get());
    129   EXPECT_EQ(1, views_created_);
    130 }
    131 
    132 TEST_F(AppListShowerUnitTest, CloseAndShowRecreatesView) {
    133   shower_->ShowForProfile(profile1_.get());
    134   shower_->HandleViewBeingDestroyed();
    135   // Destroying implies hiding. A separate notification shouldn't go out.
    136   EXPECT_EQ(0, views_dismissed_);
    137   shower_->ShowForProfile(profile1_.get());
    138   EXPECT_EQ(2, views_created_);
    139 }
    140 
    141 TEST_F(AppListShowerUnitTest, CloseRemovesView) {
    142   shower_->ShowForProfile(profile1_.get());
    143   shower_->HandleViewBeingDestroyed();
    144   EXPECT_FALSE(shower_->IsAppListVisible());
    145   EXPECT_FALSE(shower_->HasView());
    146   EXPECT_FALSE(HasKeepAlive());
    147 }
    148 
    149 TEST_F(AppListShowerUnitTest, CloseAppListClearsProfile) {
    150   EXPECT_EQ(NULL, shower_->profile());
    151   shower_->ShowForProfile(profile1_.get());
    152   EXPECT_EQ(profile1_.get(), shower_->profile());
    153   shower_->HandleViewBeingDestroyed();
    154   EXPECT_EQ(NULL, shower_->profile());
    155 }
    156 
    157 TEST_F(AppListShowerUnitTest, SwitchingProfiles) {
    158   shower_->ShowForProfile(profile1_.get());
    159   EXPECT_EQ("p1", shower_->profile()->GetProfileName());
    160   shower_->ShowForProfile(profile2_.get());
    161   EXPECT_EQ("p2", shower_->profile()->GetProfileName());
    162 
    163   // Shouldn't create new view for second profile - it should switch in place.
    164   EXPECT_EQ(1, views_created_);
    165   EXPECT_EQ(0, views_dismissed_);
    166 }
    167