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Clean up some base/browser files

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This commit is contained in:
Alex Dima
2016-02-03 10:51:38 +01:00
parent 70297de1d6
commit 9dfc48fd90
7 changed files with 147 additions and 334 deletions
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141
src/vs/base/browser/iframe.ts
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@@ -54,79 +54,82 @@ function findIframeElementInParentWindow(parentWindow: Window, childWindow: Wind
return null;
}
/**
* Returns a chain of embedded windows with the same origin (which can be accessed programmatically).
* Having a chain of length 1 might mean that the current execution environment is running outside of an iframe or inside an iframe embedded in a window with a different origin.
* To distinguish if at one point the current execution environment is running inside a window with a different origin, see hasDifferentOriginAncestor()
*/
export function getSameOriginWindowChain(): IWindowChainElement[] {
if (!sameOriginWindowChainCache) {
sameOriginWindowChainCache = [];
let w = window, parent: Window;
do {
parent = getParentWindowIfSameOrigin(w);
if (parent) {
sameOriginWindowChainCache.push({
window: w,
iframeElement: findIframeElementInParentWindow(parent, w)
});
} else {
sameOriginWindowChainCache.push({
window: w,
iframeElement: null
});
export class IframeUtils {
/**
* Returns a chain of embedded windows with the same origin (which can be accessed programmatically).
* Having a chain of length 1 might mean that the current execution environment is running outside of an iframe or inside an iframe embedded in a window with a different origin.
* To distinguish if at one point the current execution environment is running inside a window with a different origin, see hasDifferentOriginAncestor()
*/
public static getSameOriginWindowChain(): IWindowChainElement[] {
if (!sameOriginWindowChainCache) {
sameOriginWindowChainCache = [];
let w = window, parent: Window;
do {
parent = getParentWindowIfSameOrigin(w);
if (parent) {
sameOriginWindowChainCache.push({
window: w,
iframeElement: findIframeElementInParentWindow(parent, w)
});
} else {
sameOriginWindowChainCache.push({
window: w,
iframeElement: null
});
}
w = parent;
} while (w);
}
return sameOriginWindowChainCache.slice(0);
}
/**
* Returns true if the current execution environment is chained in a list of iframes which at one point ends in a window with a different origin.
* Returns false if the current execution environment is not running inside an iframe or if the entire chain of iframes have the same origin.
*/
public static hasDifferentOriginAncestor(): boolean {
if (!sameOriginWindowChainCache) {
this.getSameOriginWindowChain();
}
return hasDifferentOriginAncestorFlag;
}
/**
* Returns the position of `childWindow` relative to `ancestorWindow`
*/
public static getPositionOfChildWindowRelativeToAncestorWindow(childWindow: Window, ancestorWindow: any) {
if (!ancestorWindow || childWindow === ancestorWindow) {
return {
top: 0,
left: 0
};
}
let top = 0, left = 0;
let windowChain = this.getSameOriginWindowChain();
for (let i = 0; i < windowChain.length; i++) {
let windowChainEl = windowChain[i];
if (windowChainEl.window === ancestorWindow) {
break;
}
w = parent;
} while (w);
}
return sameOriginWindowChainCache.slice(0);
}
/**
* Returns true if the current execution environment is chained in a list of iframes which at one point ends in a window with a different origin.
* Returns false if the current execution environment is not running inside an iframe or if the entire chain of iframes have the same origin.
*/
export function hasDifferentOriginAncestor(): boolean {
if (!sameOriginWindowChainCache) {
getSameOriginWindowChain();
}
return hasDifferentOriginAncestorFlag;
}
if (!windowChainEl.iframeElement) {
break;
}
/**
* Returns the position of `childWindow` relative to `ancestorWindow`
*/
export function getPositionOfChildWindowRelativeToAncestorWindow(childWindow: Window, ancestorWindow: any) {
let boundingRect = windowChainEl.iframeElement.getBoundingClientRect();
top += boundingRect.top;
left += boundingRect.left;
}
if (!ancestorWindow || childWindow === ancestorWindow) {
return {
top: 0,
left: 0
top: top,
left: left
};
}
let top = 0, left = 0;
let windowChain = getSameOriginWindowChain();
for (let i = 0; i < windowChain.length; i++) {
let windowChainEl = windowChain[i];
if (windowChainEl.window === ancestorWindow) {
break;
}
if (!windowChainEl.iframeElement) {
break;
}
let boundingRect = windowChainEl.iframeElement.getBoundingClientRect();
top += boundingRect.top;
left += boundingRect.left;
}
return {
top: top,
left: left
};
}
}