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Add countdown delay before starting recording

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This commit is contained in:
David Rowe 2017-04-06 12:08:27 +12:00
parent 096909d423
commit 4580b89aa6
1 changed files with 97 additions and 28 deletions
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123
scripts/system/record.js
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@ -18,32 +18,96 @@
APP_URL = Script.resolvePath("html/record.html"),
isDialogDisplayed = false,
isRecordingEnabled = false,
isRecording = false,
IDLE = 0,
COUNTING_DOWN = 1,
RECORDING = 2,
recordingState = IDLE,
tablet,
button,
EVENT_BRIDGE_TYPE = "record",
BODY_LOADED_ACTION = "bodyLoaded",
USING_TOOLBAR_ACTION = "usingToolbar",
ENABLE_RECORDING_ACTION = "enableRecording";
ENABLE_RECORDING_ACTION = "enableRecording",
CountdownTimer;
CountdownTimer = (function () {
var countdownTimer,
countdownSeconds,
NUMBER_OF_SECONDS = 3,
finishCallback;
function start(onFinishCallback) {
finishCallback = onFinishCallback;
countdownSeconds = NUMBER_OF_SECONDS;
print(countdownSeconds);
countdownTimer = Script.setInterval(function () {
countdownSeconds -= 1;
if (countdownSeconds <= 0) {
Script.clearInterval(countdownTimer);
finishCallback();
} else {
print(countdownSeconds);
}
}, 1000);
}
function cancel() {
Script.clearInterval(countdownTimer);
}
return {
start: start,
cancel: cancel
};
}());
function usingToolbar() {
return ((HMD.active && Settings.getValue("hmdTabletBecomesToolbar"))
|| (!HMD.active && Settings.getValue("desktopTabletBecomesToolbar")));
}
function updateButtonState() {
button.editProperties({ isActive: isRecordingEnabled || recordingState !== IDLE });
}
function startRecording() {
isRecording = true;
print("Start recording");
recordingState = RECORDING;
updateButtonState();
print(APP_NAME + ": Start recording");
}
function finishRecording() {
isRecording = false;
print("Finish recording");
recordingState = IDLE;
updateButtonState();
print(APP_NAME + ": Finish recording");
}
function abandonRecording() {
isRecording = false;
print("Abandon recording");
function cancelRecording() {
recordingState = IDLE;
updateButtonState();
print(APP_NAME + ": Cancel recording");
}
function finishCountdown() {
recordingState = RECORDING;
updateButtonState();
startRecording();
}
function cancelCountdown() {
recordingState = IDLE;
updateButtonState();
CountdownTimer.cancel();
print(APP_NAME + ": Cancel countdown");
}
function startCountdown() {
recordingState = COUNTING_DOWN;
updateButtonState();
print(APP_NAME + ": Start countdown");
CountdownTimer.start(finishCountdown);
}
function onTabletScreenChanged(type, url) {
@ -53,17 +117,17 @@
HOME_URL = "Tablet.qml";
if (type === "Home" && url === HOME_URL) {
// Start recording if recording is enabled.
if (!isRecording && isRecordingEnabled) {
startRecording();
button.editProperties({ isActive: isRecordingEnabled || isRecording });
// Start countdown if recording is enabled.
if (isRecordingEnabled && recordingState === IDLE) {
startCountdown();
}
isDialogDisplayed = false;
} else if (type === "Web" && url.slice(-RECORD_URL.length) === RECORD_URL) {
// Finish recording if is recording.
if (isRecording) {
// Cancel countdown or finish recording.
if (recordingState === COUNTING_DOWN) {
cancelCountdown();
} else if (recordingState === RECORDING) {
finishRecording();
button.editProperties({ isActive: isRecordingEnabled || isRecording });
}
}
}
@ -73,16 +137,16 @@
isDialogDisplayed = false;
if (!tablet.tabletShown) {
// Start recording if recording is enabled.
if (!isRecording && isRecordingEnabled) {
startRecording();
button.editProperties({ isActive: isRecordingEnabled || isRecording });
// Start countdown if recording is enabled.
if (isRecordingEnabled && recordingState === IDLE) {
startCountdown();
}
} else {
// Finish recording if is recording.
if (isRecording) {
// Cancel countdown or finish recording.
if (recordingState === COUNTING_DOWN) {
cancelCountdown();
} else if (recordingState === RECORDING) {
finishRecording();
button.editProperties({ isActive: isRecordingEnabled || isRecording });
}
}
}
@ -91,6 +155,7 @@
var message = JSON.parse(data);
if (message.type === EVENT_BRIDGE_TYPE) {
if (message.action === BODY_LOADED_ACTION) {
// Dialog's ready; initialize its state.
tablet.emitScriptEvent(JSON.stringify({
type: EVENT_BRIDGE_TYPE,
action: ENABLE_RECORDING_ACTION,
@ -102,8 +167,10 @@
value: usingToolbar()
}));
} else if (message.action === ENABLE_RECORDING_ACTION) {
// User update "enable recording" checkbox.
// The recording state must be idle because the dialog is open.
isRecordingEnabled = message.value;
button.editProperties({ isActive: isRecordingEnabled || isRecording });
updateButtonState();
}
}
}
@ -130,7 +197,7 @@
icon: APP_ICON_INACTIVE,
activeIcon: APP_ICON_ACTIVE,
text: APP_NAME,
isActive: isRecordingEnabled || isRecording
isActive: false
});
button.clicked.connect(onButtonClicked);
@ -143,8 +210,10 @@
}
function tearDown() {
if (isRecording) {
abandonRecording();
if (recordingState === COUNTING_DOWN) {
cancelCountdown();
} else if (recordingState === RECORDING) {
cancelRecording();
}
if (isDialogDisplayed) {