C++ Readability Review for caitkp
BUG=10927483
Review URL: https://codereview.chromium.org/23645019
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@227832 0039d316-1c4b-4281-b951-d872f2087c98
CrOS-Libchrome-Original-Commit: abdd66eb4bdd81f8a5e64cc0d4d7810b70027afa
diff --git a/base/callback_list.h b/base/callback_list.h
index ead92ea..cb44c25 100644
--- a/base/callback_list.h
+++ b/base/callback_list.h
@@ -45,6 +45,8 @@
// }
//
// base::CallbackList<void(const Foo&)> callback_list_;
+//
+// DISALLOW_COPY_AND_ASSIGN(MyWidget);
// };
//
//
@@ -67,6 +69,8 @@
//
// scoped_ptr<base::CallbackList<void(const Foo&)>::Subscription>
// foo_subscription_;
+//
+// DISALLOW_COPY_AND_ASSIGN(MyWidgetListener);
// };
namespace base {
@@ -81,11 +85,12 @@
Subscription(CallbackListBase<CallbackType>* list,
typename std::list<CallbackType>::iterator iter)
: list_(list),
- iter_(iter) {}
+ iter_(iter) {
+ }
~Subscription() {
if (list_->active_iterator_count_)
- (*iter_).Reset();
+ iter_->Reset();
else
list_->callbacks_.erase(iter_);
}
@@ -145,8 +150,7 @@
typename std::list<CallbackType>::iterator list_iter_;
};
- CallbackListBase()
- : active_iterator_count_(0) {}
+ CallbackListBase() : active_iterator_count_(0) {}
~CallbackListBase() {
DCHECK_EQ(0, active_iterator_count_);
@@ -194,7 +198,7 @@
internal::CallbackListBase<CallbackType>::Iterator it =
this->GetIterator();
CallbackType* cb;
- while((cb = it.GetNext()) != NULL) {
+ while ((cb = it.GetNext()) != NULL) {
cb->Run();
}
}
@@ -205,8 +209,7 @@
template <typename A1>
class CallbackList<void(A1)>
- : public internal::CallbackListBase<
- Callback<void(A1)> > {
+ : public internal::CallbackListBase<Callback<void(A1)> > {
public:
typedef Callback<void(A1)> CallbackType;
@@ -216,7 +219,7 @@
typename internal::CallbackListBase<CallbackType>::Iterator it =
this->GetIterator();
CallbackType* cb;
- while((cb = it.GetNext()) != NULL) {
+ while ((cb = it.GetNext()) != NULL) {
cb->Run(a1);
}
}
@@ -227,8 +230,7 @@
template <typename A1, typename A2>
class CallbackList<void(A1, A2)>
- : public internal::CallbackListBase<
- Callback<void(A1, A2)> > {
+ : public internal::CallbackListBase<Callback<void(A1, A2)> > {
public:
typedef Callback<void(A1, A2)> CallbackType;
@@ -239,7 +241,7 @@
typename internal::CallbackListBase<CallbackType>::Iterator it =
this->GetIterator();
CallbackType* cb;
- while((cb = it.GetNext()) != NULL) {
+ while ((cb = it.GetNext()) != NULL) {
cb->Run(a1, a2);
}
}
@@ -250,8 +252,7 @@
template <typename A1, typename A2, typename A3>
class CallbackList<void(A1, A2, A3)>
- : public internal::CallbackListBase<
- Callback<void(A1, A2, A3)> > {
+ : public internal::CallbackListBase<Callback<void(A1, A2, A3)> > {
public:
typedef Callback<void(A1, A2, A3)> CallbackType;
@@ -263,7 +264,7 @@
typename internal::CallbackListBase<CallbackType>::Iterator it =
this->GetIterator();
CallbackType* cb;
- while((cb = it.GetNext()) != NULL) {
+ while ((cb = it.GetNext()) != NULL) {
cb->Run(a1, a2, a3);
}
}
@@ -274,8 +275,7 @@
template <typename A1, typename A2, typename A3, typename A4>
class CallbackList<void(A1, A2, A3, A4)>
- : public internal::CallbackListBase<
- Callback<void(A1, A2, A3, A4)> > {
+ : public internal::CallbackListBase<Callback<void(A1, A2, A3, A4)> > {
public:
typedef Callback<void(A1, A2, A3, A4)> CallbackType;
@@ -288,7 +288,7 @@
typename internal::CallbackListBase<CallbackType>::Iterator it =
this->GetIterator();
CallbackType* cb;
- while((cb = it.GetNext()) != NULL) {
+ while ((cb = it.GetNext()) != NULL) {
cb->Run(a1, a2, a3, a4);
}
}
@@ -299,8 +299,7 @@
template <typename A1, typename A2, typename A3, typename A4, typename A5>
class CallbackList<void(A1, A2, A3, A4, A5)>
- : public internal::CallbackListBase<
- Callback<void(A1, A2, A3, A4, A5)> > {
+ : public internal::CallbackListBase<Callback<void(A1, A2, A3, A4, A5)> > {
public:
typedef Callback<void(A1, A2, A3, A4, A5)> CallbackType;
@@ -314,7 +313,7 @@
typename internal::CallbackListBase<CallbackType>::Iterator it =
this->GetIterator();
CallbackType* cb;
- while((cb = it.GetNext()) != NULL) {
+ while ((cb = it.GetNext()) != NULL) {
cb->Run(a1, a2, a3, a4, a5);
}
}
@@ -326,8 +325,8 @@
template <typename A1, typename A2, typename A3, typename A4, typename A5,
typename A6>
class CallbackList<void(A1, A2, A3, A4, A5, A6)>
- : public internal::CallbackListBase<
- Callback<void(A1, A2, A3, A4, A5, A6)> > {
+ : public internal::CallbackListBase<Callback<void(A1, A2, A3, A4, A5,
+ A6)> > {
public:
typedef Callback<void(A1, A2, A3, A4, A5, A6)> CallbackType;
@@ -342,7 +341,7 @@
typename internal::CallbackListBase<CallbackType>::Iterator it =
this->GetIterator();
CallbackType* cb;
- while((cb = it.GetNext()) != NULL) {
+ while ((cb = it.GetNext()) != NULL) {
cb->Run(a1, a2, a3, a4, a5, a6);
}
}
@@ -354,8 +353,8 @@
template <typename A1, typename A2, typename A3, typename A4, typename A5,
typename A6, typename A7>
class CallbackList<void(A1, A2, A3, A4, A5, A6, A7)>
- : public internal::CallbackListBase<
- Callback<void(A1, A2, A3, A4, A5, A6, A7)> > {
+ : public internal::CallbackListBase<Callback<void(A1, A2, A3, A4, A5, A6,
+ A7)> > {
public:
typedef Callback<void(A1, A2, A3, A4, A5, A6, A7)> CallbackType;
@@ -371,7 +370,7 @@
typename internal::CallbackListBase<CallbackType>::Iterator it =
this->GetIterator();
CallbackType* cb;
- while((cb = it.GetNext()) != NULL) {
+ while ((cb = it.GetNext()) != NULL) {
cb->Run(a1, a2, a3, a4, a5, a6, a7);
}
}
diff --git a/base/callback_list.h.pump b/base/callback_list.h.pump
index 66295ec..168c70c 100644
--- a/base/callback_list.h.pump
+++ b/base/callback_list.h.pump
@@ -50,6 +50,8 @@
// }
//
// base::CallbackList<void(const Foo&)> callback_list_;
+//
+// DISALLOW_COPY_AND_ASSIGN(MyWidget);
// };
//
//
@@ -72,6 +74,8 @@
//
// scoped_ptr<base::CallbackList<void(const Foo&)>::Subscription>
// foo_subscription_;
+//
+// DISALLOW_COPY_AND_ASSIGN(MyWidgetListener);
// };
namespace base {
@@ -86,11 +90,12 @@
Subscription(CallbackListBase<CallbackType>* list,
typename std::list<CallbackType>::iterator iter)
: list_(list),
- iter_(iter) {}
+ iter_(iter) {
+ }
~Subscription() {
if (list_->active_iterator_count_)
- (*iter_).Reset();
+ iter_->Reset();
else
list_->callbacks_.erase(iter_);
}
@@ -150,8 +155,7 @@
typename std::list<CallbackType>::iterator list_iter_;
};
- CallbackListBase()
- : active_iterator_count_(0) {}
+ CallbackListBase() : active_iterator_count_(0) {}
~CallbackListBase() {
DCHECK_EQ(0, active_iterator_count_);
@@ -199,8 +203,7 @@
]] $else [[
template <$for ARG , [[typename A$(ARG)]]>
class CallbackList<void($for ARG , [[A$(ARG)]])>
- : public internal::CallbackListBase<
- Callback<void($for ARG , [[A$(ARG)]])> > {
+ : public internal::CallbackListBase<Callback<void($for ARG , [[A$(ARG)]])> > {
]]
public:
@@ -228,7 +231,7 @@
]]
CallbackType* cb;
- while((cb = it.GetNext()) != NULL) {
+ while ((cb = it.GetNext()) != NULL) {
cb->Run($for ARG , [[a$(ARG)]]);
}
}
diff --git a/base/callback_list_unittest.cc b/base/callback_list_unittest.cc
index 4607129..9adbabb 100644
--- a/base/callback_list_unittest.cc
+++ b/base/callback_list_unittest.cc
@@ -20,9 +20,10 @@
void IncrementTotal() { total_++; }
void IncrementByMultipleOfScaler(int x) { total_ += x * scaler_; }
- int total_;
+ int total() const { return total_; }
private:
+ int total_;
int scaler_;
DISALLOW_COPY_AND_ASSIGN(Listener);
};
@@ -39,9 +40,10 @@
removal_subscription_ = sub.Pass();
}
- int total_;
+ int total() const { return total_; }
private:
+ int total_;
scoped_ptr<CallbackList<void(void)>::Subscription> removal_subscription_;
DISALLOW_COPY_AND_ASSIGN(Remover);
};
@@ -51,7 +53,8 @@
explicit Adder(CallbackList<void(void)>* cb_reg)
: added_(false),
total_(0),
- cb_reg_(cb_reg) {}
+ cb_reg_(cb_reg) {
+ }
void AddCallback() {
if (!added_) {
added_ = true;
@@ -61,10 +64,13 @@
}
void IncrementTotal() { total_++; }
- bool added_;
- int total_;
+ bool added() const { return added_; }
+
+ int total() const { return total_; }
private:
+ bool added_;
+ int total_;
CallbackList<void(void)>* cb_reg_;
scoped_ptr<CallbackList<void(void)>::Subscription> subscription_;
DISALLOW_COPY_AND_ASSIGN(Adder);
@@ -85,9 +91,10 @@
value_ = a + b + c + d + e + f;
}
- int value_;
+ int value() const { return value_; }
private:
+ int value_;
DISALLOW_COPY_AND_ASSIGN(Summer);
};
@@ -100,42 +107,42 @@
c1.Add(Bind(&Summer::AddOneParam, Unretained(&s)));
c1.Notify(1);
- EXPECT_EQ(1, s.value_);
+ EXPECT_EQ(1, s.value());
CallbackList<void(int, int)> c2;
scoped_ptr<CallbackList<void(int, int)>::Subscription> subscription2 =
c2.Add(Bind(&Summer::AddTwoParam, Unretained(&s)));
c2.Notify(1, 2);
- EXPECT_EQ(3, s.value_);
+ EXPECT_EQ(3, s.value());
CallbackList<void(int, int, int)> c3;
scoped_ptr<CallbackList<void(int, int, int)>::Subscription>
subscription3 = c3.Add(Bind(&Summer::AddThreeParam, Unretained(&s)));
c3.Notify(1, 2, 3);
- EXPECT_EQ(6, s.value_);
+ EXPECT_EQ(6, s.value());
CallbackList<void(int, int, int, int)> c4;
scoped_ptr<CallbackList<void(int, int, int, int)>::Subscription>
subscription4 = c4.Add(Bind(&Summer::AddFourParam, Unretained(&s)));
c4.Notify(1, 2, 3, 4);
- EXPECT_EQ(10, s.value_);
+ EXPECT_EQ(10, s.value());
CallbackList<void(int, int, int, int, int)> c5;
scoped_ptr<CallbackList<void(int, int, int, int, int)>::Subscription>
subscription5 = c5.Add(Bind(&Summer::AddFiveParam, Unretained(&s)));
c5.Notify(1, 2, 3, 4, 5);
- EXPECT_EQ(15, s.value_);
+ EXPECT_EQ(15, s.value());
CallbackList<void(int, int, int, int, int, int)> c6;
scoped_ptr<CallbackList<void(int, int, int, int, int, int)>::Subscription>
subscription6 = c6.Add(Bind(&Summer::AddSixParam, Unretained(&s)));
c6.Notify(1, 2, 3, 4, 5, 6);
- EXPECT_EQ(21, s.value_);
+ EXPECT_EQ(21, s.value());
}
// Sanity check that closures added to the list will be run, and those removed
@@ -154,8 +161,8 @@
cb_reg.Notify();
- EXPECT_EQ(1, a.total_);
- EXPECT_EQ(1, b.total_);
+ EXPECT_EQ(1, a.total());
+ EXPECT_EQ(1, b.total());
b_subscription.reset();
@@ -164,9 +171,9 @@
cb_reg.Notify();
- EXPECT_EQ(2, a.total_);
- EXPECT_EQ(1, b.total_);
- EXPECT_EQ(1, c.total_);
+ EXPECT_EQ(2, a.total());
+ EXPECT_EQ(1, b.total());
+ EXPECT_EQ(1, c.total());
a_subscription.reset();
b_subscription.reset();
@@ -189,8 +196,8 @@
cb_reg.Notify(10);
- EXPECT_EQ(10, a.total_);
- EXPECT_EQ(-10, b.total_);
+ EXPECT_EQ(10, a.total());
+ EXPECT_EQ(-10, b.total());
b_subscription.reset();
@@ -199,9 +206,9 @@
cb_reg.Notify(10);
- EXPECT_EQ(20, a.total_);
- EXPECT_EQ(-10, b.total_);
- EXPECT_EQ(10, c.total_);
+ EXPECT_EQ(20, a.total());
+ EXPECT_EQ(-10, b.total());
+ EXPECT_EQ(10, c.total());
a_subscription.reset();
b_subscription.reset();
@@ -235,18 +242,18 @@
// |remover_1| runs once (and removes itself), |remover_2| runs once (and
// removes a), |a| never runs, and |b| runs once.
- EXPECT_EQ(1, remover_1.total_);
- EXPECT_EQ(1, remover_2.total_);
- EXPECT_EQ(0, a.total_);
- EXPECT_EQ(1, b.total_);
+ EXPECT_EQ(1, remover_1.total());
+ EXPECT_EQ(1, remover_2.total());
+ EXPECT_EQ(0, a.total());
+ EXPECT_EQ(1, b.total());
cb_reg.Notify();
// Only |remover_2| and |b| run this time.
- EXPECT_EQ(1, remover_1.total_);
- EXPECT_EQ(2, remover_2.total_);
- EXPECT_EQ(0, a.total_);
- EXPECT_EQ(2, b.total_);
+ EXPECT_EQ(1, remover_1.total());
+ EXPECT_EQ(2, remover_2.total());
+ EXPECT_EQ(0, a.total());
+ EXPECT_EQ(2, b.total());
}
// Test that a callback can add another callback to the list durning iteration
@@ -263,14 +270,14 @@
cb_reg.Notify();
- EXPECT_EQ(1, a.total_);
- EXPECT_EQ(1, b.total_);
- EXPECT_TRUE(a.added_);
+ EXPECT_EQ(1, a.total());
+ EXPECT_EQ(1, b.total());
+ EXPECT_TRUE(a.added());
cb_reg.Notify();
- EXPECT_EQ(2, a.total_);
- EXPECT_EQ(2, b.total_);
+ EXPECT_EQ(2, a.total());
+ EXPECT_EQ(2, b.total());
}
// Sanity check: notifying an empty list is a no-op.