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Unified Diff: chrome/browser/devtools/devtools_power_profiler_host.cc

Issue 106223002: chrome power profiler chrome side changes (Closed) Base URL: http://git.chromium.org/chromium/src.git@master
Patch Set: Created 6 years, 11 months ago
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Index: chrome/browser/devtools/devtools_power_profiler_host.cc
diff --git a/chrome/browser/devtools/devtools_power_profiler_host.cc b/chrome/browser/devtools/devtools_power_profiler_host.cc
new file mode 100644
index 0000000000000000000000000000000000000000..7eb20aa4887da1193612a23ec7df80b61750fa58
--- /dev/null
+++ b/chrome/browser/devtools/devtools_power_profiler_host.cc
@@ -0,0 +1,63 @@
+// Copyright 2014 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 "chrome/browser/devtools/devtools_power_profiler_host.h"
+
+#include "base/json/json_writer.h"
+#include "base/logging.h"
+#include "base/time/time.h"
+#include "content/public/browser/browser_thread.h"
+
+using namespace content;
+
+DevToolsPowerProfilerHost::DevToolsPowerProfilerHost(
+ const base::WeakPtr<DevToolsWindow>& host) : frontend_host_(host) {
+ SetResolution(HIGH);
+}
+
+void DevToolsPowerProfilerHost::convertPowerValueToJSONObject(
+ base::DictionaryValue* object, PowerEvent* event) {
+ const base::TimeTicks kNullTicks;
+ object->SetDouble("timestamp",
+ convertMonotonicTimeToWallTime(event->time).ToDoubleT() * 1000.0);
+ object->SetDouble("value", event->value);
+ switch (event->type) {
+ case PowerEvent::SOC_PACKAGE:
+ object->SetString("type", "SoC_Package");
+ break;
+ default:
+ NOTREACHED();
+ break;
+ }
+}
+
+void DevToolsPowerProfilerHost::Send(PowerEvent* event) {
+ std::string json_string;
+ base::DictionaryValue message_object;
+ base::DictionaryValue* params = new base::DictionaryValue();
+ base::ListValue* event_list = new base::ListValue();
+
+ base::DictionaryValue* value = new base::DictionaryValue();
+ convertPowerValueToJSONObject(value, event);
+ event_list->Append(value);
+
+ params->Set("powerEvents", event_list);
+ message_object.Set("params", params);
+ message_object.SetString("method", "Power.PowerEventsReceived");
+
+ base::JSONWriter::Write(&message_object, &json_string);
+ BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
+ base::Bind(&DevToolsPowerProfilerHost::SendWrapper, this, json_string));
+}
+
+void DevToolsPowerProfilerHost::SendWrapper(const std::string& message) {
+ DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+ if (frontend_host_)
+ frontend_host_->SendPowerEvent(message);
+}
+
+base::Time DevToolsPowerProfilerHost::convertMonotonicTimeToWallTime(
+ base::TimeTicks& tick) {
+ return base::Time::UnixEpoch() + (tick - base::TimeTicks::UnixEpoch());
+}

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