Bring up idletimer unittest on Mac port.

Review URL: http://codereview.chromium.org/7243

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@3328 0039d316-1c4b-4281-b951-d872f2087c98

base/base.xcodeproj/project.pbxproj

@@ -165,6 +165,8 @@
 		ABF4B9C30DC2BD6C00A6E319 /* values.cc in Sources */ = {isa = PBXBuildFile; fileRef = 825403880D92D2CF0006B936 /* values.cc */; };
 		ABFBD3E60DC793C600E164CB /* md5.cc in Sources */ = {isa = PBXBuildFile; fileRef = 825403290D92D2090006B936 /* md5.cc */; };
 		B52C916C0E9428F500208D01 /* clipboard_unittest.cc in Sources */ = {isa = PBXBuildFile; fileRef = B52C916B0E9428F500208D01 /* clipboard_unittest.cc */; };
+		B53C85280E9C298C000F70AB /* idle_timer.cc in Sources */ = {isa = PBXBuildFile; fileRef = 820EB4EB0E3A60FE009668FC /* idle_timer.cc */; };
+		B57E4D780E9C26340090055D /* idletimer_unittest.cc in Sources */ = {isa = PBXBuildFile; fileRef = B57E4D770E9C26340090055D /* idletimer_unittest.cc */; };
 		B5EF235C0E89ABF500E1E114 /* platform_canvas_unittest.cc in Sources */ = {isa = PBXBuildFile; fileRef = ABE1BA0C0E756EC4009041DA /* platform_canvas_unittest.cc */; };
 		BA0F69870E79D7980079A8A1 /* thread_local_storage_unittest.cc in Sources */ = {isa = PBXBuildFile; fileRef = BA0F69860E79D7980079A8A1 /* thread_local_storage_unittest.cc */; };
 		BA5CC5840E788093004EDD45 /* shared_memory_unittest.cc in Sources */ = {isa = PBXBuildFile; fileRef = BA5CC5830E788093004EDD45 /* shared_memory_unittest.cc */; };
@@ -617,6 +619,7 @@
 		ABF4B99D0DC2BB6000A6E319 /* clipboard_mac.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; path = clipboard_mac.mm; sourceTree = "<group>"; };
 		ABF4B9B40DC2BC9F00A6E319 /* path_service.cc */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = path_service.cc; sourceTree = "<group>"; };
 		B52C916B0E9428F500208D01 /* clipboard_unittest.cc */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = clipboard_unittest.cc; sourceTree = "<group>"; };
+		B57E4D770E9C26340090055D /* idletimer_unittest.cc */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = idletimer_unittest.cc; sourceTree = "<group>"; };
 		BA0F69860E79D7980079A8A1 /* thread_local_storage_unittest.cc */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = thread_local_storage_unittest.cc; sourceTree = "<group>"; };
 		BA5CC5830E788093004EDD45 /* shared_memory_unittest.cc */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = shared_memory_unittest.cc; sourceTree = "<group>"; };
 		BA739A000E5E3242009842A7 /* tracked_objects_unittest.cc */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = tracked_objects_unittest.cc; sourceTree = "<group>"; };
@@ -871,6 +874,7 @@
 				825403130D92D1E80006B936 /* id_map.h */,
 				820EB4EB0E3A60FE009668FC /* idle_timer.cc */,
 				820EB4EC0E3A60FE009668FC /* idle_timer.h */,
+				B57E4D770E9C26340090055D /* idletimer_unittest.cc */,
 				825403190D92D1F40006B936 /* image_util.cc */,
 				8254031A0D92D1F40006B936 /* image_util.h */,
 				8254031B0D92D1F40006B936 /* json_reader.cc */,
@@ -1349,6 +1353,7 @@
 				93611B180E5A875D00F9405D /* histogram.cc in Sources */,
 				7BAE392A0E6F4EEF00C3F750 /* hmac_mac.cc in Sources */,
 				8216A5060E34DBDD00EE374C /* icu_util.cc in Sources */,
+				B53C85280E9C298C000F70AB /* idle_timer.cc in Sources */,
 				ABF4B9AF0DC2BC6200A6E319 /* json_reader.cc in Sources */,
 				ABF4B9B00DC2BC6500A6E319 /* json_writer.cc in Sources */,
 				7BF892DF0E75887C000BAF8A /* lazy_instance.cc in Sources */,
@@ -1436,6 +1441,7 @@
 				7B78D3910E54FE0100609465 /* file_version_info_unittest.cc in Sources */,
 				93611B1A0E5A878400F9405D /* histogram_unittest.cc in Sources */,
 				7BAE392B0E6F4EF200C3F750 /* hmac_unittest.cc in Sources */,
+				B57E4D780E9C26340090055D /* idletimer_unittest.cc in Sources */,
 				AB956E0A0E5DDC0900BBE9D8 /* image_operations_unittest.cc in Sources */,
 				7B78D3920E54FE0100609465 /* json_reader_unittest.cc in Sources */,
 				7B78D3930E54FE0100609465 /* json_writer_unittest.cc in Sources */,

base/idle_timer.cc

@@ -4,15 +4,48 @@
 
 #include "base/idle_timer.h"
 
+#if defined(OS_MACOSX)
+#include <ApplicationServices/ApplicationServices.h>
+#endif
+
 #include "base/message_loop.h"
 #include "base/time.h"
 
 namespace base {
 
+#if defined(OS_WIN)
+bool OSIdleTimeSource(int32 *milliseconds_interval_since_last_event) {
+  LASTINPUTINFO lastInputInfo;
+  lastInputInfo.cbSize = sizeof(lastInputInfo);
+  if (GetLastInputInfo(&lastInputInfo) == 0) {
+    return false;
+  }
+  int32 last_input_time = lastInputInfo.dwTime;
+  
+  // Note: On Windows GetLastInputInfo returns a 32bit value which rolls over 
+  // ~49days.
+  int32 current_time = GetTickCount();
+  int32 delta = current_time - last_input_time;
+  // delta will go negative if we've been idle for 2GB of ticks.
+  if (delta < 0)
+    delta = -delta;    
+  *milliseconds_interval_since_last_event = delta;
+  return true;
+}
+#elif defined(OS_MACOSX)
+bool OSIdleTimeSource(int32 *milliseconds_interval_since_last_event) {
+  *milliseconds_interval_since_last_event = 
+      CGEventSourceSecondsSinceLastEventType(
+          kCGEventSourceStateCombinedSessionState, 
+          kCGAnyInputEventType) * 1000.0;
+  return true;
+}
+#endif
+
 IdleTimer::IdleTimer(TimeDelta idle_time, bool repeat)
     : idle_interval_(idle_time),
       repeat_(repeat),
-      get_last_input_info_fn_(GetLastInputInfo) {
+      idle_time_source_(OSIdleTimeSource) {
   DCHECK_EQ(MessageLoop::TYPE_UI, MessageLoop::current()->type()) <<
       "Requires a thread that processes Windows UI events";
 }
@@ -48,17 +81,8 @@ void IdleTimer::StartTimer() {
 }
 
 TimeDelta IdleTimer::CurrentIdleTime() {
-  // TODO(mbelshe): This is windows-specific code.
-  LASTINPUTINFO info;
-  info.cbSize = sizeof(info);
-  if (get_last_input_info_fn_(&info)) {
-    // Note: GetLastInputInfo returns a 32bit value which rolls over ~49days.
-    int32 last_input_time = info.dwTime;
-    int32 current_time = GetTickCount();
-    int32 interval = current_time - last_input_time;
-    // Interval will go negative if we've been idle for 2GB of ticks.
-    if (interval < 0)
-      interval = -interval;
+  int32 interval = 0;
+  if (idle_time_source_(&interval)) {
     return TimeDelta::FromMilliseconds(interval);
   }
   NOTREACHED();

base/idle_timer.h

@@ -28,7 +28,9 @@
 #ifndef BASE_IDLE_TIMER_H_
 #define BASE_IDLE_TIMER_H_
 
+#if defined(OS_WIN)
 #include <windows.h>
+#endif
 
 #include "base/basictypes.h"
 #include "base/task.h"
@@ -36,8 +38,9 @@
 
 namespace base {
 
-// Function prototype for GetLastInputInfo.
-typedef BOOL (__stdcall *GetLastInputInfoFunction)(PLASTINPUTINFO plii);
+// Function prototype - Get the number of milliseconds that the user has been
+// idle.
+typedef bool (*IdleTimeSource)(int32 *milliseconds_interval_since_last_event);
 
 class IdleTimer {
  public:
@@ -60,9 +63,9 @@ class IdleTimer {
   virtual void OnIdle() = 0;
 
  protected:
-  // Override the GetLastInputInfo function.
-  void set_last_input_info_fn(GetLastInputInfoFunction function) {
-    get_last_input_info_fn_ = function;
+  // Override the IdleTimeSource.
+  void set_idle_time_source(IdleTimeSource idle_time_source) {
+    idle_time_source_ = idle_time_source;
   }
 
  private:
@@ -84,7 +87,7 @@ class IdleTimer {
                           // will be 0 until the timer fires the first time.
   OneShotTimer<IdleTimer> timer_;
 
-  GetLastInputInfoFunction get_last_input_info_fn_;
+  IdleTimeSource idle_time_source_;
 
   DISALLOW_COPY_AND_ASSIGN(IdleTimer);
 };

base/idletimer_unittest.cc

@@ -10,20 +10,15 @@ using base::IdleTimer;
 
 namespace {
 
-class IdleTimerTest : public testing::Test {
- private:
-  // IdleTimer requires a UI message loop on the current thread.
-  MessageLoopForUI message_loop_;
-};
-
 // We Mock the GetLastInputInfo function to return
 // the time stored here.
-static DWORD mock_idle_time = GetTickCount();
+static Time mock_timer_started;
 
-BOOL __stdcall MockGetLastInputInfoFunction(PLASTINPUTINFO plii) {
-  DCHECK(plii->cbSize == sizeof(LASTINPUTINFO));
-  plii->dwTime = mock_idle_time;
-  return TRUE;
+bool MockIdleTimeSource(int32 *milliseconds_interval_since_last_event) {
+  TimeDelta delta = Time::Now() - mock_timer_started;
+  *milliseconds_interval_since_last_event = 
+      static_cast<int32>(delta.InMilliseconds());
+  return true;
 }
 
 // TestIdle task fires after 100ms of idle time.
@@ -32,7 +27,7 @@ class TestIdleTask : public IdleTimer {
   TestIdleTask(bool repeat)
       : IdleTimer(TimeDelta::FromMilliseconds(100), repeat),
         idle_counter_(0) {
-        set_last_input_info_fn(MockGetLastInputInfoFunction);
+        set_idle_time_source(MockIdleTimeSource);
   }
 
   int get_idle_counter() { return idle_counter_; }
@@ -59,11 +54,15 @@ class ResetIdleTask {
  public:
   ResetIdleTask() {}
   void Run() {
-    mock_idle_time = GetTickCount();
+    mock_timer_started = Time::Now();
   }
 };
 
-}  // namespace
+class IdleTimerTest : public testing::Test {
+ private:
+  // IdleTimer requires a UI message loop on the current thread.
+  MessageLoopForUI message_loop_;
+};
 
 ///////////////////////////////////////////////////////////////////////////////
 // NoRepeat tests:
@@ -75,7 +74,7 @@ TEST_F(IdleTimerTest, NoRepeatIdle) {
   // Create a Quit timer which will fire after 1s.
   // Verify that we fired exactly once.
 
-  mock_idle_time = GetTickCount();
+  mock_timer_started = Time::Now();
   TestIdleTask test_task(false);
 
   TestFinishedTask finish_task;
@@ -94,7 +93,7 @@ TEST_F(IdleTimerTest, NoRepeatFlipIdleOnce) {
   // Create a timer to reset once, idle after 500ms.
   // Verify that we fired exactly twice.
 
-  mock_idle_time = GetTickCount();
+  mock_timer_started = Time::Now();
   TestIdleTask test_task(false);
 
   TestFinishedTask finish_task;
@@ -120,7 +119,7 @@ TEST_F(IdleTimerTest, NoRepeatNotIdle) {
   // Create a timer to reset idle every 50ms.
   // Verify that we never fired.
 
-  mock_idle_time = GetTickCount();
+  mock_timer_started = Time::Now();
   TestIdleTask test_task(false);
 
   TestFinishedTask finish_task;
@@ -153,7 +152,7 @@ TEST_F(IdleTimerTest, Repeat) {
   // Create an IdleTimer, which should fire repeatedly after 100ms.
   // Create a Quit timer which will fire after 1.05s.
   // Verify that we fired 10 times.
-  mock_idle_time = GetTickCount();
+  mock_timer_started = Time::Now();
   TestIdleTask test_task(true);
 
   TestFinishedTask finish_task;
@@ -177,7 +176,7 @@ TEST_F(IdleTimerTest, RepeatIdleReset) {
   // Create a Quit timer which will fire after 1s.
   // Create a reset timer, which fires after 550ms
   // Verify that we fired 9 times.
-  mock_idle_time = GetTickCount();
+  mock_timer_started = Time::Now();
   TestIdleTask test_task(true);
 
   ResetIdleTask reset_task;
@@ -207,7 +206,7 @@ TEST_F(IdleTimerTest, RepeatNotIdle) {
   // Create a timer to reset idle every 50ms.
   // Verify that we never fired.
 
-  mock_idle_time = GetTickCount();
+  mock_timer_started = Time::Now();
   TestIdleTask test_task(true);
 
   TestFinishedTask finish_task;
@@ -229,3 +228,4 @@ TEST_F(IdleTimerTest, RepeatNotIdle) {
   EXPECT_EQ(test_task.get_idle_counter(), 0);
 }
 
+}  // namespace