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体验新版 GitCode,发现更多精彩内容 >>
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dfb22d17
编写于
5月 02, 2021
作者:
M
Matt Bierner
浏览文件
操作
浏览文件
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电子邮件补丁
差异文件
Only disable onbeforeunload if using iframe based webviews
Fixes #122818
上级
3edce10f
变更
2
隐藏空白更改
内联
并排
Showing
2 changed file
with
29 addition
and
26 deletion
+29
-26
src/vs/workbench/contrib/webview/browser/pre/main.js
src/vs/workbench/contrib/webview/browser/pre/main.js
+28
-25
src/vs/workbench/contrib/webview/electron-browser/webviewElement.ts
...kbench/contrib/webview/electron-browser/webviewElement.ts
+1
-1
未找到文件。
src/vs/workbench/contrib/webview/browser/pre/main.js
浏览文件 @
dfb22d17
...
...
@@ -23,6 +23,7 @@ const isSafari = navigator.vendor && navigator.vendor.indexOf('Apple') > -1 &&
const
searchParams
=
new
URL
(
location
.
toString
()).
searchParams
;
const
ID
=
searchParams
.
get
(
'
id
'
);
const
isUsingWebviewTag
=
searchParams
.
has
(
'
isUsingWebviewTag
'
);
/**
* Use polling to track focus of main webview and iframes within the webview
...
...
@@ -188,34 +189,36 @@ function getVsCodeApiScript(allowMultipleAPIAcquire, useParentPostMessage, state
delete window.top;
delete window.frameElement;
// Try to block webviews from cancelling unloads.
// This blocking is not perfect but should block common patterns
(function() {
const createUnloadEventProxy = (e) => {
return new Proxy(e, {
set: (target, prop, receiver) => {
if (prop === 'returnValue') {
// Don't allow setting return value to block window unload
return;
if (!
${
isUsingWebviewTag
}
) {
// Try to block webviews from cancelling unloads.
// This blocking is not perfect but should block common patterns
(function() {
const createUnloadEventProxy = (e) => {
return new Proxy(e, {
set: (target, prop, receiver) => {
if (prop === 'returnValue') {
// Don't allow setting return value to block window unload
return;
}
target[prop] = value;
}
target[prop] = value;
});
};
Object.defineProperty(window, 'onbeforeunload', { value: null, writable: false });
const originalAddEventListener = window.addEventListener.bind(window);
window.addEventListener = (type, listener, ...args) => {
if (type === 'beforeunload') {
return originalAddEventListener(type, (e) => {
return createUnloadEventProxy(listener);
}, ...args);
} else {
return originalAddEventListener(type, listener, ...args);
}
});
};
Object.defineProperty(window, 'onbeforeunload', { value: null, writable: false });
const originalAddEventListener = window.addEventListener.bind(window);
window.addEventListener = (type, listener, ...args) => {
if (type === 'beforeunload') {
return originalAddEventListener(type, (e) => {
return createUnloadEventProxy(listener);
}, ...args);
} else {
return originalAddEventListener(type, listener, ...args);
}
}
}
)();
}
)();
}
`
;
}
...
...
src/vs/workbench/contrib/webview/electron-browser/webviewElement.ts
浏览文件 @
dfb22d17
...
...
@@ -156,7 +156,7 @@ export class ElectronWebviewBasedWebview extends BaseWebview<WebviewTag> impleme
// and not the `vscode-file` URI because preload scripts are loaded
// via node.js from the main side and only allow `file:` protocol
this
.
element
!
.
preload
=
FileAccess
.
asFileUri
(
'
./pre/electron-index.js
'
,
require
).
toString
(
true
);
this
.
element
!
.
src
=
`
${
Schemas
.
vscodeWebview
}
://
${
this
.
id
}
/electron-browser-index.html?platform=electron&id=
${
this
.
id
}
&vscode-resource-origin=
${
encodeURIComponent
(
this
.
webviewResourceEndpoint
)}
`
;
this
.
element
!
.
src
=
`
${
Schemas
.
vscodeWebview
}
://
${
this
.
id
}
/electron-browser-index.html?platform=electron&i
sUsingWebviewTag=true&i
d=
${
this
.
id
}
&vscode-resource-origin=
${
encodeURIComponent
(
this
.
webviewResourceEndpoint
)}
`
;
}
protected
createElement
(
options
:
WebviewOptions
)
{
...
...
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