Browse Source
- Add comprehensive JSDoc documentation for component features and capabilities - Fix line wrapping in file-level documentation header - Improve error message formatting for better readability - Remove unused PhotoResult interface - Maintain consistent documentation style with project standards The documentation improvements help developers better understand the component's cross-platform photo handling capabilities and error management approach.pull/133/head
5 changed files with 2175 additions and 3184 deletions
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--- |
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description: |
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globs: |
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alwaysApply: true |
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--- |
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# Camera Implementation Documentation |
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## Overview |
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This document describes how camera functionality is implemented across the TimeSafari application. The application uses cameras for two main purposes: |
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1. QR Code scanning |
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2. Photo capture |
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## Components |
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### QRScannerDialog.vue |
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Primary component for QR code scanning in web browsers. |
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**Key Features:** |
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- Uses `qrcode-stream` for web-based QR scanning |
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- Supports both front and back cameras |
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- Provides real-time camera status feedback |
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- Implements error handling with user-friendly messages |
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- Includes camera switching functionality |
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**Camera Access Flow:** |
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1. Checks for camera API availability |
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2. Enumerates available video devices |
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3. Requests camera permissions |
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4. Initializes camera stream with preferred settings |
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5. Handles various error conditions with specific messages |
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### PhotoDialog.vue |
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Component for photo capture and selection. |
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**Key Features:** |
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- Cross-platform photo capture interface |
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- Image cropping capabilities |
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- File selection fallback |
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- Unified interface for different platforms |
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## Services |
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### QRScanner Services |
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#### WebDialogQRScanner |
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Web-based implementation of QR scanning. |
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**Key Methods:** |
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- `checkPermissions()`: Verifies camera permission status |
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- `requestPermissions()`: Requests camera access |
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- `isSupported()`: Checks for camera API support |
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- Handles various error conditions with specific messages |
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#### CapacitorQRScanner |
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Native implementation using Capacitor's MLKit. |
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**Key Features:** |
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- Uses `@capacitor-mlkit/barcode-scanning` |
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- Supports both front and back cameras |
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- Implements permission management |
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- Provides continuous scanning capability |
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### Platform Services |
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#### WebPlatformService |
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Web-specific implementation of platform features. |
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**Camera Capabilities:** |
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- Uses HTML5 file input with capture attribute |
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- Falls back to file selection if camera unavailable |
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- Processes captured images for consistent format |
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#### CapacitorPlatformService |
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Native implementation using Capacitor. |
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**Camera Features:** |
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- Uses `Camera.getPhoto()` for native camera access |
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- Supports image editing |
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- Configures high-quality image capture |
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- Handles base64 image processing |
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#### ElectronPlatformService |
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Desktop implementation (currently unimplemented). |
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**Status:** |
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- Camera functionality not yet implemented |
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- Planned to use Electron's media APIs |
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## Platform-Specific Considerations |
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### iOS |
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- Requires `NSCameraUsageDescription` in Info.plist |
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- Supports both front and back cameras |
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- Implements proper permission handling |
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### Android |
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- Requires camera permissions in manifest |
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- Supports both front and back cameras |
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- Handles permission requests through Capacitor |
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### Web |
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- Requires HTTPS for camera access |
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- Implements fallback mechanisms |
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- Handles browser compatibility issues |
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## Error Handling |
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### Common Error Scenarios |
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1. No camera found |
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2. Permission denied |
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3. Camera in use by another application |
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4. HTTPS required |
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5. Browser compatibility issues |
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### Error Response |
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- User-friendly error messages |
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- Troubleshooting tips |
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- Clear instructions for resolution |
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- Platform-specific guidance |
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## Security Considerations |
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### Permission Management |
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- Explicit permission requests |
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- Permission state tracking |
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- Graceful handling of denied permissions |
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### Data Handling |
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- Secure image processing |
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- Proper cleanup of camera resources |
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- No persistent storage of camera data |
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|
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## Best Practices |
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|
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### Camera Access |
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|
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1. Always check for camera availability |
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2. Request permissions explicitly |
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3. Handle all error conditions |
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4. Provide clear user feedback |
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5. Implement proper cleanup |
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|
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### Performance |
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|
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1. Optimize camera resolution |
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2. Implement proper resource cleanup |
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3. Handle camera switching efficiently |
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4. Manage memory usage |
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|
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### User Experience |
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|
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1. Clear status indicators |
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2. Intuitive camera controls |
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3. Helpful error messages |
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4. Smooth camera switching |
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5. Responsive UI feedback |
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|
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## Future Improvements |
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|
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### Planned Enhancements |
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|
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1. Implement Electron camera support |
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2. Add advanced camera features |
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3. Improve error handling |
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4. Enhance user feedback |
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5. Optimize performance |
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|
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### Known Issues |
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|
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1. Electron camera implementation pending |
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2. Some browser compatibility limitations |
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3. Platform-specific quirks to address |
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|
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## Dependencies |
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|
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### Key Packages |
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|
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- `@capacitor-mlkit/barcode-scanning` |
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- `qrcode-stream` |
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- `vue-picture-cropper` |
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- Platform-specific camera APIs |
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|
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## Testing |
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|
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### Test Scenarios |
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|
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1. Permission handling |
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2. Camera switching |
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3. Error conditions |
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4. Platform compatibility |
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5. Performance metrics |
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|
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### Test Environment |
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|
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- Multiple browsers |
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- iOS and Android devices |
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|
- Desktop platforms |
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|
- Various network conditions |
@ -0,0 +1,217 @@ |
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|
# Camera Implementation Documentation |
||||
|
|
||||
|
## Overview |
||||
|
|
||||
|
This document describes how camera functionality is implemented across the TimeSafari application. The application uses cameras for two main purposes: |
||||
|
|
||||
|
1. QR Code scanning |
||||
|
2. Photo capture |
||||
|
|
||||
|
## Components |
||||
|
|
||||
|
### QRScannerDialog.vue |
||||
|
|
||||
|
Primary component for QR code scanning in web browsers. |
||||
|
|
||||
|
**Key Features:** |
||||
|
|
||||
|
- Uses `qrcode-stream` for web-based QR scanning |
||||
|
- Supports both front and back cameras |
||||
|
- Provides real-time camera status feedback |
||||
|
- Implements error handling with user-friendly messages |
||||
|
- Includes camera switching functionality |
||||
|
|
||||
|
**Camera Access Flow:** |
||||
|
|
||||
|
1. Checks for camera API availability |
||||
|
2. Enumerates available video devices |
||||
|
3. Requests camera permissions |
||||
|
4. Initializes camera stream with preferred settings |
||||
|
5. Handles various error conditions with specific messages |
||||
|
|
||||
|
### PhotoDialog.vue |
||||
|
|
||||
|
Component for photo capture and selection. |
||||
|
|
||||
|
**Key Features:** |
||||
|
|
||||
|
- Cross-platform photo capture interface |
||||
|
- Image cropping capabilities |
||||
|
- File selection fallback |
||||
|
- Unified interface for different platforms |
||||
|
|
||||
|
## Services |
||||
|
|
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|
### QRScanner Services |
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|
|
||||
|
#### WebDialogQRScanner |
||||
|
|
||||
|
Web-based implementation of QR scanning. |
||||
|
|
||||
|
**Key Methods:** |
||||
|
|
||||
|
- `checkPermissions()`: Verifies camera permission status |
||||
|
- `requestPermissions()`: Requests camera access |
||||
|
- `isSupported()`: Checks for camera API support |
||||
|
- Handles various error conditions with specific messages |
||||
|
|
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|
#### CapacitorQRScanner |
||||
|
|
||||
|
Native implementation using Capacitor's MLKit. |
||||
|
|
||||
|
**Key Features:** |
||||
|
|
||||
|
- Uses `@capacitor-mlkit/barcode-scanning` |
||||
|
- Supports both front and back cameras |
||||
|
- Implements permission management |
||||
|
- Provides continuous scanning capability |
||||
|
|
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|
### Platform Services |
||||
|
|
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|
#### WebPlatformService |
||||
|
|
||||
|
Web-specific implementation of platform features. |
||||
|
|
||||
|
**Camera Capabilities:** |
||||
|
|
||||
|
- Uses HTML5 file input with capture attribute |
||||
|
- Falls back to file selection if camera unavailable |
||||
|
- Processes captured images for consistent format |
||||
|
|
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|
#### CapacitorPlatformService |
||||
|
|
||||
|
Native implementation using Capacitor. |
||||
|
|
||||
|
**Camera Features:** |
||||
|
|
||||
|
- Uses `Camera.getPhoto()` for native camera access |
||||
|
- Supports image editing |
||||
|
- Configures high-quality image capture |
||||
|
- Handles base64 image processing |
||||
|
|
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|
#### ElectronPlatformService |
||||
|
|
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|
Desktop implementation (currently unimplemented). |
||||
|
|
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|
**Status:** |
||||
|
|
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|
- Camera functionality not yet implemented |
||||
|
- Planned to use Electron's media APIs |
||||
|
|
||||
|
## Platform-Specific Considerations |
||||
|
|
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|
### iOS |
||||
|
|
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|
- Requires `NSCameraUsageDescription` in Info.plist |
||||
|
- Supports both front and back cameras |
||||
|
- Implements proper permission handling |
||||
|
|
||||
|
### Android |
||||
|
|
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|
- Requires camera permissions in manifest |
||||
|
- Supports both front and back cameras |
||||
|
- Handles permission requests through Capacitor |
||||
|
|
||||
|
### Web |
||||
|
|
||||
|
- Requires HTTPS for camera access |
||||
|
- Implements fallback mechanisms |
||||
|
- Handles browser compatibility issues |
||||
|
|
||||
|
## Error Handling |
||||
|
|
||||
|
### Common Error Scenarios |
||||
|
|
||||
|
1. No camera found |
||||
|
2. Permission denied |
||||
|
3. Camera in use by another application |
||||
|
4. HTTPS required |
||||
|
5. Browser compatibility issues |
||||
|
|
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|
### Error Response |
||||
|
|
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|
- User-friendly error messages |
||||
|
- Troubleshooting tips |
||||
|
- Clear instructions for resolution |
||||
|
- Platform-specific guidance |
||||
|
|
||||
|
## Security Considerations |
||||
|
|
||||
|
### Permission Management |
||||
|
|
||||
|
- Explicit permission requests |
||||
|
- Permission state tracking |
||||
|
- Graceful handling of denied permissions |
||||
|
|
||||
|
### Data Handling |
||||
|
|
||||
|
- Secure image processing |
||||
|
- Proper cleanup of camera resources |
||||
|
- No persistent storage of camera data |
||||
|
|
||||
|
## Best Practices |
||||
|
|
||||
|
### Camera Access |
||||
|
|
||||
|
1. Always check for camera availability |
||||
|
2. Request permissions explicitly |
||||
|
3. Handle all error conditions |
||||
|
4. Provide clear user feedback |
||||
|
5. Implement proper cleanup |
||||
|
|
||||
|
### Performance |
||||
|
|
||||
|
1. Optimize camera resolution |
||||
|
2. Implement proper resource cleanup |
||||
|
3. Handle camera switching efficiently |
||||
|
4. Manage memory usage |
||||
|
|
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|
### User Experience |
||||
|
|
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|
1. Clear status indicators |
||||
|
2. Intuitive camera controls |
||||
|
3. Helpful error messages |
||||
|
4. Smooth camera switching |
||||
|
5. Responsive UI feedback |
||||
|
|
||||
|
## Future Improvements |
||||
|
|
||||
|
### Planned Enhancements |
||||
|
|
||||
|
1. Implement Electron camera support |
||||
|
2. Add advanced camera features |
||||
|
3. Improve error handling |
||||
|
4. Enhance user feedback |
||||
|
5. Optimize performance |
||||
|
|
||||
|
### Known Issues |
||||
|
|
||||
|
1. Electron camera implementation pending |
||||
|
2. Some browser compatibility limitations |
||||
|
3. Platform-specific quirks to address |
||||
|
|
||||
|
## Dependencies |
||||
|
|
||||
|
### Key Packages |
||||
|
|
||||
|
- `@capacitor-mlkit/barcode-scanning` |
||||
|
- `qrcode-stream` |
||||
|
- `vue-picture-cropper` |
||||
|
- Platform-specific camera APIs |
||||
|
|
||||
|
## Testing |
||||
|
|
||||
|
### Test Scenarios |
||||
|
|
||||
|
1. Permission handling |
||||
|
2. Camera switching |
||||
|
3. Error conditions |
||||
|
4. Platform compatibility |
||||
|
5. Performance metrics |
||||
|
|
||||
|
### Test Environment |
||||
|
|
||||
|
- Multiple browsers |
||||
|
- iOS and Android devices |
||||
|
- Desktop platforms |
||||
|
- Various network conditions |
File diff suppressed because it is too large
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Reference in new issue