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fix: webContents.capturePage() for hidden windows on Windows/Linux (#39730)

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Shelley Vohr 2023-10-12 09:35:23 +02:00 • committed by GitHub
parent 3e70692e4b
commit 5c821d3379
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2 changed files with 30 additions and 25 deletions
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32
spec/api-browser-window-spec.ts
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@ -2224,7 +2224,22 @@ describe('BrowserWindow module', () => {
expect(visible).to.equal('hidden');
});
it('resolves after the window is hidden', async () => {
it('resolves when the window is occluded', async () => {
const w1 = new BrowserWindow({ show: false });
w1.loadFile(path.join(fixtures, 'pages', 'a.html'));
await once(w1, 'ready-to-show');
w1.show();
const w2 = new BrowserWindow({ show: false });
w2.loadFile(path.join(fixtures, 'pages', 'a.html'));
await once(w2, 'ready-to-show');
w2.show();
const visibleImage = await w1.capturePage();
expect(visibleImage.isEmpty()).to.equal(false);
});
it('resolves when the window is not visible', async () => {
const w = new BrowserWindow({ show: false });
w.loadFile(path.join(fixtures, 'pages', 'a.html'));
await once(w, 'ready-to-show');
@ -2233,21 +2248,10 @@ describe('BrowserWindow module', () => {
const visibleImage = await w.capturePage();
expect(visibleImage.isEmpty()).to.equal(false);
w.hide();
w.minimize();
const hiddenImage = await w.capturePage();
const isEmpty = process.platform !== 'darwin';
expect(hiddenImage.isEmpty()).to.equal(isEmpty);
});
it('resolves after the window is hidden and capturer count is non-zero', async () => {
const w = new BrowserWindow({ show: false });
w.webContents.setBackgroundThrottling(false);
w.loadFile(path.join(fixtures, 'pages', 'a.html'));
await once(w, 'ready-to-show');
const image = await w.capturePage();
expect(image.isEmpty()).to.equal(false);
expect(hiddenImage.isEmpty()).to.equal(false);
});
it('preserves transparency', async () => {