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Update PowerSaveBlocker APIs design.

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This commit is contained in:
Haojian Wu 2015-06-22 10:23:58 +08:00
parent 7ee2a703d9
commit 532f75fcab
3 changed files with 95 additions and 28 deletions
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64
atom/browser/api/atom_api_power_save_blocker.cc
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@ -10,6 +10,12 @@
#include "atom/common/node_includes.h"
namespace {
const char kPowerSaveBlockerDescription[] = "Electron";
} // namespace
namespace mate {
template<>
@ -47,28 +53,64 @@ PowerSaveBlocker::PowerSaveBlocker() {
PowerSaveBlocker::~PowerSaveBlocker() {
}
void PowerSaveBlocker::Start(
void PowerSaveBlocker::UpdatePowerSaveBlocker() {
if (power_save_blocker_types_.empty()) {
power_save_blocker_.reset();
return;
}
// |kPowerSaveBlockPreventAppSuspension| keeps system active, but allows
// screen to be turned off.
// |kPowerSaveBlockPreventDisplaySleep| keeps system and screen active, has a
// higher precedence level than |kPowerSaveBlockPreventAppSuspension|.
//
// Only the highest-precedence blocker type takes effect.
content::PowerSaveBlocker::PowerSaveBlockerType new_blocker_type =
content::PowerSaveBlocker::kPowerSaveBlockPreventAppSuspension;
for (const auto& element : power_save_blocker_types_) {
if (element.second ==
content::PowerSaveBlocker::kPowerSaveBlockPreventDisplaySleep) {
new_blocker_type =
content::PowerSaveBlocker::kPowerSaveBlockPreventDisplaySleep;
break;
}
}
if (!power_save_blocker_ || new_blocker_type != current_blocker_type_) {
scoped_ptr<content::PowerSaveBlocker> new_blocker =
content::PowerSaveBlocker::Create(
new_blocker_type,
content::PowerSaveBlocker::kReasonOther,
kPowerSaveBlockerDescription);
power_save_blocker_.swap(new_blocker);
current_blocker_type_ = new_blocker_type;
}
}
int PowerSaveBlocker::Start(
content::PowerSaveBlocker::PowerSaveBlockerType type) {
power_save_blocker_ = content::PowerSaveBlocker::Create(
type,
content::PowerSaveBlocker::kReasonOther,
"Users required");
static int count = 0;
power_save_blocker_types_[count] = type;
UpdatePowerSaveBlocker();
return count++;
}
void PowerSaveBlocker::Stop() {
power_save_blocker_.reset();
bool PowerSaveBlocker::Stop(int id) {
bool success = power_save_blocker_types_.erase(id) > 0;
UpdatePowerSaveBlocker();
return success;
}
bool PowerSaveBlocker::IsStarted() {
return power_save_blocker_.get() != NULL;
bool PowerSaveBlocker::IsStarted(int id) {
return power_save_blocker_types_.find(id) != power_save_blocker_types_.end();
}
mate::ObjectTemplateBuilder PowerSaveBlocker::GetObjectTemplateBuilder(
v8::Isolate* isolate) {
return mate::ObjectTemplateBuilder(isolate)
.SetMethod("start", &PowerSaveBlocker::Start)
.SetMethod("stop", &PowerSaveBlocker::Stop);
.SetMethod("isStarted", &PowerSaveBlocker::IsStarted)
.SetMethod("stop", &PowerSaveBlocker::Stop)
.SetMethod("isStarted", &PowerSaveBlocker::IsStarted);
}
// static