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Render only visible and yet-to-be-measured block decorations

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This commit is contained in:
Antonio Scandurra
2015-12-03 11:26:45 +01:00
parent fcb8a13f4a
commit 937116a280
6 changed files with 78 additions and 59 deletions
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101
spec/text-editor-presenter-spec.coffee
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@@ -2129,62 +2129,61 @@ describe "TextEditorPresenter", ->
isVisible: false
}
waitsForStateToUpdate presenter, ->
editor.getBuffer().insert([0, 0], 'Hello world \n\n\n\n')
presenter.setBlockDecorationDimensions(blockDecoration1, 0, 10)
presenter.setBlockDecorationDimensions(blockDecoration4, 0, 20)
runs ->
expectValues stateForBlockDecoration(presenter, blockDecoration1), {
decoration: blockDecoration1
screenRow: 4
isVisible: true
}
expectValues stateForBlockDecoration(presenter, blockDecoration2), {
decoration: blockDecoration2
screenRow: 8
isVisible: false
}
expectValues stateForBlockDecoration(presenter, blockDecoration3), {
decoration: blockDecoration3
screenRow: 8
isVisible: false
}
expectValues stateForBlockDecoration(presenter, blockDecoration4), {
decoration: blockDecoration4
screenRow: 14
isVisible: false
}
expectValues stateForBlockDecoration(presenter, blockDecoration1), {
decoration: blockDecoration1
screenRow: 0
isVisible: true
}
expectValues stateForBlockDecoration(presenter, blockDecoration2), {
decoration: blockDecoration2
screenRow: 4
isVisible: false
}
expectValues stateForBlockDecoration(presenter, blockDecoration3), {
decoration: blockDecoration3
screenRow: 4
isVisible: false
}
expect(stateForBlockDecoration(presenter, blockDecoration4)).toBeUndefined()
waitsForStateToUpdate presenter, ->
blockDecoration2.destroy()
blockDecoration4.destroy()
presenter.setBlockDecorationDimensions(blockDecoration1, 0, 20)
presenter.setScrollTop(90)
runs ->
expectValues stateForBlockDecoration(presenter, blockDecoration1), {
decoration: blockDecoration1
screenRow: 4
isVisible: true
}
expect(stateForBlockDecoration(presenter, blockDecoration2)).toBeUndefined()
expectValues stateForBlockDecoration(presenter, blockDecoration3), {
decoration: blockDecoration3
screenRow: 8
isVisible: false
}
expect(stateForBlockDecoration(presenter, blockDecoration4)).toBeUndefined()
expect(stateForBlockDecoration(presenter, blockDecoration1)).toBeUndefined()
expectValues stateForBlockDecoration(presenter, blockDecoration2), {
decoration: blockDecoration2
screenRow: 4
isVisible: false
}
expectValues stateForBlockDecoration(presenter, blockDecoration3), {
decoration: blockDecoration3
screenRow: 4
isVisible: false
}
expectValues stateForBlockDecoration(presenter, blockDecoration4), {
decoration: blockDecoration4
screenRow: 10
isVisible: true
}
presenter.setScrollTop(80)
presenter.invalidateBlockDecorationDimensions(blockDecoration1)
presenter.setBlockDecorationDimensions(blockDecoration2, 0, 10)
presenter.setBlockDecorationDimensions(blockDecoration3, 0, 10)
expectValues stateForBlockDecoration(presenter, blockDecoration1), {
decoration: blockDecoration1
screenRow: 4
isVisible: false
}
expectValues stateForBlockDecoration(presenter, blockDecoration3), {
decoration: blockDecoration3
screenRow: 8
isVisible: true
}
expectValues stateForBlockDecoration(presenter, blockDecoration1), {
decoration: blockDecoration1
screenRow: 0
isVisible: false
}
expect(stateForBlockDecoration(presenter, blockDecoration2)).toBeUndefined()
expect(stateForBlockDecoration(presenter, blockDecoration3)).toBeUndefined()
expectValues stateForBlockDecoration(presenter, blockDecoration4), {
decoration: blockDecoration4
screenRow: 10
isVisible: true
}
describe ".overlays", ->
[item] = []