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Reviewer's GuideAdds optional Blazor component callbacks for HikVision login/logout and start/stop real play events, wires them into the existing methods, slightly adjusts the stop-real-play logic, and removes a debug log from the JS plugin. Sequence diagram for HikVisionWebPlugin login and real-play callbackssequenceDiagram
actor Page
participant HikVisionWebPlugin as HikVisionWebPlugin
participant JSRuntime
participant HikVisionJs as hikvision_js
Page->>HikVisionWebPlugin: Login(ip, port, userName, password, loginType)
HikVisionWebPlugin->>JSRuntime: InvokeAsync login(Id, ip, port, userName, password, loginType)
JSRuntime->>HikVisionJs: login(...)
HikVisionJs-->>JSRuntime: bool isLogined
JSRuntime-->>HikVisionWebPlugin: bool isLogined
alt login success
HikVisionWebPlugin->>HikVisionWebPlugin: TriggerLogined()
alt OnLoginedAsync set
HikVisionWebPlugin-->>Page: await OnLoginedAsync()
end
end
Page->>HikVisionWebPlugin: StartRealPlay(streamType, channelId)
HikVisionWebPlugin->>HikVisionWebPlugin: check IsLogined and IsRealPlaying
alt IsLogined and not IsRealPlaying
HikVisionWebPlugin->>JSRuntime: InvokeAsync startRealPlay(Id, streamType, channelId)
JSRuntime->>HikVisionJs: startRealPlay(...)
HikVisionJs-->>JSRuntime: bool isRealPlaying
JSRuntime-->>HikVisionWebPlugin: bool isRealPlaying
alt start real play success
HikVisionWebPlugin->>HikVisionWebPlugin: TriggerStartRealPlay()
alt OnStartRealPlayedAsync set
HikVisionWebPlugin-->>Page: await OnStartRealPlayedAsync()
end
end
end
Page->>HikVisionWebPlugin: StopRealPlay()
HikVisionWebPlugin->>HikVisionWebPlugin: check IsRealPlaying
alt IsRealPlaying
HikVisionWebPlugin->>JSRuntime: InvokeVoidAsync stopRealPlay(Id)
JSRuntime->>HikVisionJs: stopRealPlay(...)
HikVisionJs-->>JSRuntime: void
JSRuntime-->>HikVisionWebPlugin: void
HikVisionWebPlugin->>HikVisionWebPlugin: IsRealPlaying = false
HikVisionWebPlugin->>HikVisionWebPlugin: TriggerStopRealPlay()
alt OnStopRealPlayedAsync set
HikVisionWebPlugin-->>Page: await OnStopRealPlayedAsync()
end
end
Page->>HikVisionWebPlugin: Logout()
alt IsLogined
HikVisionWebPlugin->>JSRuntime: InvokeVoidAsync logout(Id)
JSRuntime->>HikVisionJs: logout(...)
HikVisionJs-->>JSRuntime: void
JSRuntime-->>HikVisionWebPlugin: void
end
HikVisionWebPlugin->>HikVisionWebPlugin: IsRealPlaying = false
HikVisionWebPlugin->>HikVisionWebPlugin: IsLogined = false
HikVisionWebPlugin->>HikVisionWebPlugin: TriggerLogouted()
alt OnLogoutedAsync set
HikVisionWebPlugin-->>Page: await OnLogoutedAsync()
end
Class diagram for updated HikVisionWebPlugin callbacksclassDiagram
class HikVisionWebPlugin {
+Func~bool, Task~ OnInitedAsync
+Func~Task~ OnLoginedAsync
+Func~Task~ OnLogoutedAsync
+Func~Task~ OnStartRealPlayedAsync
+Func~Task~ OnStopRealPlayedAsync
-bool IsLogined
-bool IsRealPlaying
+Task~bool~ Login(string ip, int port, string userName, string password, int loginType)
+Task Logout()
+Task StartRealPlay(int streamType, int channelId)
+Task StopRealPlay()
-Task TriggerLogined()
-Task TriggerLogouted()
-Task TriggerStartRealPlay()
-Task TriggerStopRealPlay()
}
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Hey there - I've reviewed your changes - here's some feedback:
- In
Logout,TriggerLogoutedis invoked even whenIsLoginedis false, which may surprise consumers expecting the callback only on actual logout; consider guarding the callback with the sameIsLoginedcheck or documenting the semantics explicitly. - The new
StopRealPlayimplementation no longer considers the success/failure of the underlying JS call and unconditionally clearsIsRealPlayingand fires the callback; if the stop operation can fail, you may want to retain a success flag or error handling to keep state and callbacks aligned with the actual player state.
Prompt for AI Agents
Please address the comments from this code review:
## Overall Comments
- In `Logout`, `TriggerLogouted` is invoked even when `IsLogined` is false, which may surprise consumers expecting the callback only on actual logout; consider guarding the callback with the same `IsLogined` check or documenting the semantics explicitly.
- The new `StopRealPlay` implementation no longer considers the success/failure of the underlying JS call and unconditionally clears `IsRealPlaying` and fires the callback; if the stop operation can fail, you may want to retain a success flag or error handling to keep state and callbacks aligned with the actual player state.
## Individual Comments
### Comment 1
<location> `src/components/BootstrapBlazor.HikVision/Components/HikVisionWebPlugin.razor.cs:206` </location>
<code_context>
- {
- IsRealPlaying = false;
- }
+ await InvokeVoidAsync("stopRealPlay", Id);
+ IsRealPlaying = false;
+ await TriggerStopRealPlay();
</code_context>
<issue_to_address>
**issue (bug_risk):** Consider preserving stop result handling to avoid inconsistent IsRealPlaying state.
Previously we only set `IsRealPlaying = false` when `stopRealPlay` reported success. Now `InvokeVoidAsync` is used and we always set `IsRealPlaying` to false and trigger `OnStopRealPlayedAsync`, even if the underlying JS `I_Stop` fails. This can leave C# thinking the stream is stopped while the plugin is still playing. If the JS call can fail, please preserve a success/failure result or expose an error path so C# state and callbacks stay aligned with the actual player state.
</issue_to_address>Help me be more useful! Please click 👍 or 👎 on each comment and I'll use the feedback to improve your reviews.
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Pull request overview
This PR adds callback functionality to the HikVision web plugin component, enabling developers to respond to login, logout, and video playback state changes. The changes include adding four new async callback parameters and removing a debug console.log statement from the JavaScript code.
Key Changes
- Added four new callback parameters:
OnLoginedAsync,OnLogoutedAsync,OnStartRealPlayedAsync, andOnStopRealPlayedAsync - Modified state management in
Logout()to setIsRealPlaying = falsebefore triggering the logout callback - Changed
StopRealPlay()to useInvokeVoidAsyncinstead of checking return values - Removed debug
console.logstatement from JavaScript
Reviewed changes
Copilot reviewed 2 out of 2 changed files in this pull request and generated 5 comments.
| File | Description |
|---|---|
HikVisionWebPlugin.razor.cs |
Added four new callback parameters and trigger methods for login, logout, start/stop real play events with corresponding state management updates |
hikvision.js |
Removed debug console.log statement |
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Comment on lines
+206
to
+208
| await InvokeVoidAsync("stopRealPlay", Id); | ||
| IsRealPlaying = false; | ||
| await TriggerStopRealPlay(); |
There was a problem hiding this comment.
The method now calls InvokeVoidAsync instead of checking the return value from the JavaScript function. However, the JavaScript stopRealPlay function still returns a Promise with a boolean result. This discrepancy means potential errors from the JavaScript side will be silently ignored. The callback OnStopRealPlayedAsync is now always triggered even if the JavaScript operation fails. Consider either: (1) reverting to InvokeAsync<bool?> and checking the result, or (2) updating the JavaScript function to properly handle and throw errors.
Suggested change
| await InvokeVoidAsync("stopRealPlay", Id); | |
| IsRealPlaying = false; | |
| await TriggerStopRealPlay(); | |
| var result = await InvokeAsync<bool?>("stopRealPlay", Id); | |
| if (result ?? false) | |
| { | |
| IsRealPlaying = false; | |
| await TriggerStopRealPlay(); | |
| } | |
| // Optionally handle failure here (e.g., log, throw, notify user) |
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| await TriggerLogined(); | ||
| } | ||
| return IsLogined; | ||
| } | ||
|
|
||
| private async Task TriggerLogined() |
There was a problem hiding this comment.
The method name TriggerLogined uses incorrect grammar. "Logined" is not a valid past participle. This should be renamed to TriggerLoggedIn to match the suggested parameter name correction.
Suggested change
| await TriggerLogined(); | |
| } | |
| return IsLogined; | |
| } | |
| private async Task TriggerLogined() | |
| await TriggerLoggedIn(); | |
| } | |
| return IsLogined; | |
| } | |
| private async Task TriggerLoggedIn() |
Comment on lines
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| await TriggerLogouted(); | ||
| } | ||
|
|
||
| private async Task TriggerLogouted() | ||
| { | ||
| if (OnLogoutedAsync != null) | ||
| { | ||
| await OnLogoutedAsync(); |
There was a problem hiding this comment.
The method name TriggerLogouted uses incorrect grammar. "Logouted" is not a valid past participle. This should be renamed to TriggerLoggedOut to match the suggested parameter name correction.
Suggested change
| await TriggerLogouted(); | |
| } | |
| private async Task TriggerLogouted() | |
| { | |
| if (OnLogoutedAsync != null) | |
| { | |
| await OnLogoutedAsync(); | |
| await TriggerLoggedOut(); | |
| } | |
| private async Task TriggerLoggedOut() | |
| { | |
| if (OnLoggedOutAsync != null) | |
| { | |
| await OnLoggedOutAsync(); |
| /// 获得/设置 登录成功后回调方法 | ||
| /// </summary> | ||
| [Parameter] | ||
| public Func<Task>? OnLoginedAsync { get; set; } |
There was a problem hiding this comment.
The callback name OnLoginedAsync uses incorrect grammar. "Logined" is not a valid past participle in English. Consider renaming to OnLoggedInAsync to be grammatically correct and consistent with standard English usage, or use OnLoginSuccessAsync as an alternative.
Suggested change
| public Func<Task>? OnLoginedAsync { get; set; } | |
| public Func<Task>? OnLoggedInAsync { get; set; } |
| /// 获得/设置 注销成功后回调方法 | ||
| /// </summary> | ||
| [Parameter] | ||
| public Func<Task>? OnLogoutedAsync { get; set; } |
There was a problem hiding this comment.
The callback name OnLogoutedAsync uses incorrect grammar. "Logouted" is not a valid past participle in English. Consider renaming to OnLoggedOutAsync to be grammatically correct and consistent with standard English usage, or use OnLogoutSuccessAsync as an alternative.
Suggested change
| public Func<Task>? OnLogoutedAsync { get; set; } | |
| public Func<Task>? OnLoggedOutAsync { get; set; } |
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Link issues
fixes #786
Summary By Copilot
Regression?
Risk
Verification
Packaging changes reviewed?
☑️ Self Check before Merge
Summary by Sourcery
Add callback hooks to the HikVision web plugin component for login/logout and real-play start/stop events and simplify the JS real-play implementation.
New Features:
Enhancements: