Feature/improve zoom support and add android webview asset loader #317
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This commit introduces several improvements and fixes related to local file loading and zoom behavior across platforms: **Android:** - Added `enableSandbox` and `sandboxSubdomain` options to `PlatformWebSettings.androidWebSettings`. When `enableSandbox` is true, WebView uses `WebViewAssetLoader` with an `InternalStoragePathHandler` to serve local files (assets/resources/internal storage) over secure virtual `https://` URLs. This improves security and compatibility with modern web features like cookies and Service Workers. - The `user-scalable` viewport meta tag is now correctly set based on `state.webSettings.supportZoom`. - Removed redundant `setSupportZoom` call as it's handled by the viewport meta tag. **Desktop:** - Increased the delay before loading HTML content in `DesktopWebView.loadHtml` to 500ms to allow more time for file operations, potentially improving reliability. - When loading HTML data, the desktop WebView now initially loads `KCEFBrowser.BLANK_URI` and then injects the HTML content. This change is to ensure proper initialization before content loading. - Adjusted the zoom level calculation in `WebEngineExt.kt` for desktop to better align with other platforms. The new formula is `(percentage - 100.0) / 25.0`. **Common:** - `WebViewNavigator.loadHtmlFile` now accepts a `readType: WebViewFileReadType` parameter to specify how the HTML file should be read (e.g., from assets or resources). This parameter is passed down to the platform-specific implementations. - `IWebView.loadHtml` and its implementations are now suspend functions to accommodate asynchronous operations like file reading or network requests if needed in the future. **Internal:** - Added `InternalStoragePathHandler.kt` for Android to handle serving files from internal storage via `WebViewAssetLoader`. **Build:** - Incremented `VERSION_NAME` to `2.0.1`.
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This update enhances WebView functionality across Android and Desktop platforms with the following improvements:
• Improved Zoom Support: Refines and synchronizes zoom behavior across Android and Desktop platforms for a consistent user experience.
•Android Sandbox Support via WebViewAssetLoader:
Introduces secure local file loading using the standard sandbox domain (https://appassets.androidplatform.net/app).
This eliminates CORS restrictions and enables full cookie support for asset-based content in Android WebView.
These changes improve compatibility with modern web standards and enhance the security and capability of local file loading.