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Unified Diff: content/common/power_monitor_broadcast_source.cc

Issue 17074009: Created multi-process-friendly PowerMonitor interface. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Rebase Created 7 years, 6 months ago
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Index: content/common/power_monitor_broadcast_source.cc
diff --git a/content/common/power_monitor_broadcast_source.cc b/content/common/power_monitor_broadcast_source.cc
new file mode 100644
index 0000000000000000000000000000000000000000..5d3ab2ee6abf222bc60d7d9258156576fea3d2b2
--- /dev/null
+++ b/content/common/power_monitor_broadcast_source.cc
@@ -0,0 +1,76 @@
+// Copyright (c) 2013 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 "content/common/power_monitor_broadcast_source.h"
+
+#include "content/common/power_monitor_messages.h"
+
+namespace content {
+
+PowerMonitorBroadcastSource::PowerMonitorBroadcastSource()
+ : on_battery_power_(false),
+ message_filter_(new PowerMessageFilter(this)) {
+}
+
+PowerMonitorBroadcastSource::~PowerMonitorBroadcastSource() {
+}
+
+// MessageFilters are owned by the Channel they are added to, so this class does
+// not need to retain a reference.
+IPC::ChannelProxy::MessageFilter*
+PowerMonitorBroadcastSource::MessageFilter() {
+ return message_filter_.get();
+}
+
+bool PowerMonitorBroadcastSource::IsBatteryPower() {
+ return on_battery_power_;
+}
+
+void PowerMonitorBroadcastSource::OnPowerStateChange(bool on_battery_power) {
+ on_battery_power_ = on_battery_power;
+ ProcessPowerEvent(PowerMonitorSource::POWER_STATE_EVENT);
+}
+
+void PowerMonitorBroadcastSource::OnSuspend() {
+ ProcessPowerEvent(PowerMonitorSource::SUSPEND_EVENT);
+}
+
+void PowerMonitorBroadcastSource::OnResume() {
+ ProcessPowerEvent(PowerMonitorSource::RESUME_EVENT);
+}
+
+PowerMonitorBroadcastSource::PowerMessageFilter::PowerMessageFilter(
+ PowerMonitorBroadcastSource* source) : source_(source) {
+}
+
+PowerMonitorBroadcastSource::PowerMessageFilter::~PowerMessageFilter() {
+}
+
+bool PowerMonitorBroadcastSource::PowerMessageFilter::OnMessageReceived(
+ const IPC::Message& message) {
+ bool msg_is_ok = true;
+ bool handled = true;
+ IPC_BEGIN_MESSAGE_MAP_EX(PowerMessageFilter, message, msg_is_ok)
+ IPC_MESSAGE_HANDLER(PowerMonitorMsg_PowerStateChange, OnPowerStateChange)
+ IPC_MESSAGE_HANDLER(PowerMonitorMsg_Suspend, OnSuspend)
+ IPC_MESSAGE_HANDLER(PowerMonitorMsg_Resume, OnResume)
+ IPC_MESSAGE_UNHANDLED(handled = false)
+ IPC_END_MESSAGE_MAP_EX()
+ return handled;
+}
+
+void PowerMonitorBroadcastSource::PowerMessageFilter::OnPowerStateChange(
+ bool on_battery_power) {
+ source_->OnPowerStateChange(on_battery_power);
+}
+
+void PowerMonitorBroadcastSource::PowerMessageFilter::OnSuspend() {
+ source_->OnSuspend();
+}
+
+void PowerMonitorBroadcastSource::PowerMessageFilter::OnResume() {
+ source_->OnResume();
+}
+
+} // namespace content

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