appDisplay: Move boundary page assertions
Since the function that manages the changes between pages is goToPage, just move the assertions of page >= 0 and page < nPages to that function https://bugzilla.gnome.org/show_bug.cgi?id=707979
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@ -342,6 +342,8 @@ const AllView = new Lang.Class({
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},
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goToPage: function(pageNumber) {
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if(pageNumber < 0 || pageNumber > this._grid.nPages() - 1)
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return;
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if (this._currentPage == pageNumber && this._displayingPopup && this._currentPopup)
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return;
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if (this._displayingPopup && this._currentPopup)
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@ -403,16 +405,13 @@ const AllView = new Lang.Class({
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_onScroll: function(actor, event) {
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if (this._displayingPopup)
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return true;
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let direction = event.get_scroll_direction();
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if (direction == Clutter.ScrollDirection.UP) {
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if (this._currentPage > 0)
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if (direction == Clutter.ScrollDirection.UP)
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this.goToPage(this._currentPage - 1);
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} else {
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if (direction == Clutter.ScrollDirection.DOWN) {
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if (this._currentPage < (this._grid.nPages() - 1))
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else if (direction == Clutter.ScrollDirection.DOWN)
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this.goToPage(this._currentPage + 1);
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}
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}
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return true;
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},
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@ -432,9 +431,9 @@ const AllView = new Lang.Class({
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return;
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let diffCurrentPage = this._diffToPage(this._currentPage);
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if (diffCurrentPage > this._scrollView.height * PAGE_SWITCH_TRESHOLD) {
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if (action.get_velocity(0)[2] > 0 && this._currentPage > 0)
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if (action.get_velocity(0)[2] > 0)
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this.goToPage(this._currentPage - 1);
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else if (this._currentPage < this._grid.nPages() - 1)
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else
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this.goToPage(this._currentPage + 1);
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} else {
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this.goToPage(this._currentPage);
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