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cleanup: Avoid "lonely" ifs where it makes sense

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If an else block only contains an if statement, the two can be
combined into an if-else block, which cuts down on indentation
and usually helps legibility.

There are exceptions (for instance where the outer if and else
blocks are mirrored), but where it makes sense, change the code
to avoid lonely ifs.

https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/805
This commit is contained in:
Florian Müllner 2019-08-20 04:10:46 +02:00 committed by Georges Basile Stavracas Neto
parent 67ea424525
commit 2e4e2500dd
4 changed files with 38 additions and 42 deletions
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49
js/ui/altTab.js
View File

@ -111,14 +111,12 @@ class AppSwitcherPopup extends SwitcherPopup.SwitcherPopup {
_initialSelection(backward, binding) {
if (binding == 'switch-group') {
if (backward) {
if (backward)
this._select(0, this._items[0].cachedWindows.length - 1);
} else {
if (this._items[0].cachedWindows.length > 1)
this._select(0, 1);
else
this._select(0, 0);
}
else if (this._items[0].cachedWindows.length > 1)
this._select(0, 1);
else
this._select(0, 0);
} else if (binding == 'switch-group-backward') {
this._select(0, this._items[0].cachedWindows.length - 1);
} else if (binding == 'switch-applications-backward') {
@ -193,15 +191,14 @@ class AppSwitcherPopup extends SwitcherPopup.SwitcherPopup {
this._closeAppWindow(this._selectedIndex, this._currentWindow);
else
return Clutter.EVENT_PROPAGATE;
} else if (keysym == Clutter.KEY_Left) {
this._select(this._previous());
} else if (keysym == Clutter.KEY_Right) {
this._select(this._next());
} else if (keysym == Clutter.KEY_Down) {
this._select(this._selectedIndex, 0);
} else {
if (keysym === Clutter.KEY_Left)
this._select(this._previous());
else if (keysym === Clutter.KEY_Right)
this._select(this._next());
else if (keysym === Clutter.KEY_Down)
this._select(this._selectedIndex, 0);
else
return Clutter.EVENT_PROPAGATE;
return Clutter.EVENT_PROPAGATE;
}
return Clutter.EVENT_STOP;
@ -591,20 +588,18 @@ class WindowSwitcherPopup extends SwitcherPopup.SwitcherPopup {
}
_keyPressHandler(keysym, action) {
if (action == Meta.KeyBindingAction.SWITCH_WINDOWS) {
if (action == Meta.KeyBindingAction.SWITCH_WINDOWS)
this._select(this._next());
} else if (action == Meta.KeyBindingAction.SWITCH_WINDOWS_BACKWARD) {
else if (action == Meta.KeyBindingAction.SWITCH_WINDOWS_BACKWARD)
this._select(this._previous());
} else {
if (keysym === Clutter.KEY_Left)
this._select(this._previous());
else if (keysym === Clutter.KEY_Right)
this._select(this._next());
else if (keysym === Clutter.KEY_w || keysym === Clutter.KEY_F4)
this._closeWindow(this._selectedIndex);
else
return Clutter.EVENT_PROPAGATE;
}
else if (keysym == Clutter.KEY_Left)
this._select(this._previous());
else if (keysym == Clutter.KEY_Right)
this._select(this._next());
else if (keysym == Clutter.KEY_w || keysym == Clutter.KEY_F4)
this._closeWindow(this._selectedIndex);
else
return Clutter.EVENT_PROPAGATE;
return Clutter.EVENT_STOP;
}

9
js/ui/windowManager.js
View File

@ -2212,10 +2212,11 @@ var WindowManager = class {
this._resizePopup.set(rect, displayW, displayH);
} else {
if (this._resizePopup) {
this._resizePopup.destroy();
this._resizePopup = null;
}
if (!this._resizePopup)
return;
this._resizePopup.destroy();
this._resizePopup = null;
}
}
};

13
js/ui/workspacesView.js
View File

@ -224,14 +224,13 @@ class WorkspacesView extends WorkspacesViewBase {
for (let w = 0; w < this._workspaces.length; w++) {
let workspace = this._workspaces[w];
if (this._animating || this._scrolling || this._gestureActive) {
if (this._animating || this._scrolling || this._gestureActive)
workspace.show();
} else {
if (this._inDrag)
workspace.visible = (Math.abs(w - active) <= 1);
else
workspace.visible = (w == active);
}
else if (this._inDrag)
workspace.visible = (Math.abs(w - active) <= 1);
else
workspace.visible = (w == active);
}
}

9
js/ui/xdndHandler.js
View File

@ -68,10 +68,11 @@ var XdndHandler = class {
// Make sure that the clone has the same position as the source
this._cursorWindowClone.add_constraint(constraintPosition);
} else {
if (this._cursorWindowClone) {
this._cursorWindowClone.destroy();
this._cursorWindowClone = null;
}
if (!this._cursorWindowClone)
return;
this._cursorWindowClone.destroy();
this._cursorWindowClone = null;
}
}