Implemented NPN_ScheduleTimer and NPN_UnscheduleTimer.

webkit/glue/plugins/test/plugin_schedule_timer_test.cc

+// Copyright (c) 2006-2008 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 "webkit/glue/plugins/test/plugin_schedule_timer_test.h"
+#include "webkit/glue/plugins/test/plugin_client.h"
+
+using base::Time;
+
+namespace NPAPIClient {
+
+// The times below are accurate but they are not tested against because it
+// might make the test flakey.
+ScheduleTimerTest::Event
+    ScheduleTimerTest::schedule_[ScheduleTimerTest::kNumEvents] = {
+  {    0, -1,  0, 100, false, -1 },  // schedule 0 100ms no-repeat
+  {  100,  0,  0, 200, false, -1 },  // schedule 0 200ms no-repeat
+  {  300,  0,  0, 100,  true, -1 },  // schedule 0 100ms repeat
+  {  400,  0,  1,  50,  true, -1 },  // schedule 1 50ms repeat
+  {  450,  1, -1,   0,  true, -1 },  // receive 1 repeating
+  {  500,  0, -1,   0,  true, -1 },  // receive 0 repeating
+  {  500,  1, -1,   0,  true, -1 },  // receive 1 repeating
+  {  550,  1, -1,   0,  true, -1 },  // receive 1 repeating
+  {  600,  0, -1,   0,  true,  0 },  // receive 0 repeating and unschedule
+  {  600,  1,  2, 400,  true,  1 },  // receive 1 repeating and unschedule
+  { 1000,  2, -1,   0,  true,  2 },  // receive final and unschedule
+};
+
+ScheduleTimerTest::ScheduleTimerTest(
+    NPP id, NPNetscapeFuncs *host_functions)
+    : PluginTest(id, host_functions),
+      num_received_events_(0) {
+  for (int i = 0; i < kNumTimers; ++i) {
+    timer_ids_[i] = 0;
+  }
+  for (int i = 0; i < kNumEvents; ++i) {
+    received_events_[i] = false;
+  }
+}
+
+NPError ScheduleTimerTest::New(
+    uint16 mode, int16 argc, const char* argn[], const char* argv[],
+    NPSavedData* saved) {
+  NPError error = PluginTest::New(mode, argc, argn, argv, saved);
+  if (error != NPERR_NO_ERROR)
+    return error;
+
+  start_time_ = Time::Now();
+  HandleEvent(0);
+
+  return NPERR_NO_ERROR;
+}
+
+void ScheduleTimerTest::OnTimer(uint32 timer_id) {
+  Time current_time = Time::Now();
+  int relative_time = static_cast<int>(
+      (current_time - start_time_).InMilliseconds());
+
+  // See if there is a matching unreceived event.
+  int event_index = FindUnreceivedEvent(relative_time, timer_id);
+  if (event_index < 0) {
+    SetError("Received unexpected timer event");
+    SignalTestCompleted();
+    return;
+  }
+
+  HandleEvent(event_index);
+
+  // Finish test if all events have happened.
+  if (num_received_events_ == kNumEvents)
+    SignalTestCompleted();
+}
+
+int ScheduleTimerTest::FindUnreceivedEvent(int time, uint32 timer_id) {
+  for (int i = 0; i < kNumEvents; ++i) {
+    const Event& event = schedule_[i];
+    if (!received_events_[i] &&
+        timer_ids_[event.received_index] == timer_id) {
+      return i;
+    }
+  }
+  return -1;
+}
+
+namespace {
+void OnTimerHelper(NPP id, uint32 timer_id) {
+  ScheduleTimerTest* plugin_object =
+      static_cast<ScheduleTimerTest*>(id->pdata);
+  if (plugin_object) {
+    plugin_object->OnTimer(timer_id);
+  }
+}
+}
+
+void ScheduleTimerTest::HandleEvent(int event_index) {
+  const Event& event = schedule_[event_index];
+
+  // Mark event as received.
+  DCHECK(!received_events_[event_index]);
+  received_events_[event_index] = true;
+  ++num_received_events_;
+
+  // Unschedule timer if present.
+  if (event.unscheduled_index >= 0) {
+    HostFunctions()->unscheduletimer(
+        id(), timer_ids_[event.unscheduled_index]);
+  }
+
+  // Schedule timer if present.
+  if (event.scheduled_index >= 0) {
+    timer_ids_[event.scheduled_index] = HostFunctions()->scheduletimer(
+        id(), event.scheduled_interval, event.schedule_repeated, OnTimerHelper);
+  }
+}
+
+}  // namespace NPAPIClient