diff options
Diffstat (limited to 'application/palemoon/base/content/newtab/grid.js')
| -rw-r--r-- | application/palemoon/base/content/newtab/grid.js | 121 |
1 files changed, 11 insertions, 110 deletions
diff --git a/application/palemoon/base/content/newtab/grid.js b/application/palemoon/base/content/newtab/grid.js index 4edcbe52c..db3d319c3 100644 --- a/application/palemoon/base/content/newtab/grid.js +++ b/application/palemoon/base/content/newtab/grid.js @@ -5,12 +5,6 @@ #endif /** - * Define various fixed dimensions - */ -const GRID_BOTTOM_EXTRA = 7; // title's line-height extends 7px past the margin -const GRID_WIDTH_EXTRA = 1; // provide 1px buffer to allow for rounding error - -/** * This singleton represents the grid that contains all sites. */ var gGrid = { @@ -35,7 +29,14 @@ var gGrid = { /** * All sites contained in the grid's cells. Sites may be empty. */ - get sites() { return [for (cell of this.cells) cell.site]; }, + get sites() { + // return [for (cell of this.cells) cell.site]; + let aSites = []; + for (let cell of this.cells) { + aSites.push(cell.site); + } + return aSites; + }, // Tells whether the grid has already been initialized. get ready() { return !!this._ready; }, @@ -55,20 +56,7 @@ var gGrid = { gLinks.populateCache(() => { this._refreshGrid(); this._ready = true; - - // If fetching links took longer than loading the page itself then - // we need to resize the grid as that was blocked until now. - // We also want to resize now if the page was already loaded when - // initializing the grid (the user toggled the page). - this._resizeGrid(); - - addEventListener("resize", this); }); - - // Resize the grid as soon as the page loads. - if (!this.isDocumentLoaded) { - addEventListener("load", this); - } }, /** @@ -87,12 +75,7 @@ var gGrid = { * Handles all grid events. */ handleEvent: function Grid_handleEvent(aEvent) { - switch (aEvent.type) { - case "load": - case "resize": - this._resizeGrid(); - break; - } + // Any specific events should go here. }, /** @@ -110,14 +93,10 @@ var gGrid = { }, /** - * Renders and resizes the gird. _resizeGrid() call is needed to ensure - * that scrollbar disappears when the bottom row becomes empty following - * the block action, or tile display is turmed off via cog menu + * Renders the grid. */ - refresh() { this._refreshGrid(); - this._resizeGrid(); }, /** @@ -165,16 +144,6 @@ var gGrid = { }, /** - * Calculate the height for a number of rows up to the maximum rows - * @param rows Number of rows defaulting to the max - */ - _computeHeight: function Grid_computeHeight(aRows) { - let {gridRows} = gGridPrefs; - aRows = aRows === undefined ? gridRows : Math.min(gridRows, aRows); - return aRows * this._cellHeight + GRID_BOTTOM_EXTRA; - }, - - /** * Creates the DOM fragment that is re-used when creating sites. */ _createSiteFragment: function Grid_createSiteFragment() { @@ -205,74 +174,6 @@ var gGrid = { _isHistoricalTile: function Grid_isHistoricalTile(aPos) { let site = this.sites[aPos]; return site && (site.isPinned() || site.link && site.link.type == "history"); - }, - - /** - * Make sure the correct number of rows and columns are visible - */ - _resizeGrid: function Grid_resizeGrid() { - // If we're somehow called before the page has finished loading, - // let's bail out to avoid caching zero heights and widths. - // We'll be called again when DOMContentLoaded fires. - // Same goes for the grid if that's not ready yet. - if (!this.isDocumentLoaded || !this._ready) { - return; - } - - // Save the cell's computed height/width including margin and border - if (this._cellHeight === undefined) { - let refCell = document.querySelector(".newtab-cell"); - let style = getComputedStyle(refCell); - this._cellHeight = refCell.offsetHeight + - parseFloat(style.marginTop) + parseFloat(style.marginBottom); - this._cellWidth = refCell.offsetWidth + - parseFloat(style.marginLeft) + parseFloat(style.marginRight); - } - - let searchContainer = document.querySelector("#searchContainer"); - // Save search-container margin height - if (this._searchContainerMargin === undefined) { - let style = getComputedStyle(searchContainer); - this._searchContainerMargin = parseFloat(style.marginBottom) + - parseFloat(style.marginTop); - } - - // Find the number of rows we can place into view port - let availHeight = document.documentElement.clientHeight - - searchContainer.offsetHeight - this._searchContainerMargin; - let visibleRows = Math.floor(availHeight / this._cellHeight); - - // Find the number of columns that fit into view port - let maxGridWidth = gGridPrefs.gridColumns * this._cellWidth + GRID_WIDTH_EXTRA; - // available width is current grid width, but no greater than maxGridWidth - let availWidth = Math.min(document.querySelector("#newtab-grid").clientWidth, - maxGridWidth); - // finally get the number of columns we can fit into view port - let gridColumns = Math.floor(availWidth / this._cellWidth); - // walk sites backwords until a pinned or history tile is found or visibleRows reached - let tileIndex = Math.min(gGridPrefs.gridRows * gridColumns, this.sites.length) - 1; - while (tileIndex >= visibleRows * gridColumns) { - if (this._isHistoricalTile(tileIndex)) { - break; - } - tileIndex--; - } - - // Compute the actual number of grid rows we will display (potentially - // with a scroll bar). tileIndex now points to a historical tile with - // heighest index or to the last index of the visible row, if none found - // Dividing tileIndex by number of tiles in a column gives the rows - let gridRows = Math.floor(tileIndex / gridColumns) + 1; - - // we need to set grid width, for otherwise the scrollbar may shrink - // the grid when shown and cause grid layout to be different from - // what being computed above. This, in turn, may cause scrollbar shown - // for directory tiles, and introduce jitter when grid width is aligned - // exactly on the column boundary - //this._node.style.width = gridColumns * this._cellWidth + "px"; - //this._node.style.maxWidth = gGridPrefs.gridColumns * this._cellWidth + - // GRID_WIDTH_EXTRA + "px"; - //this._node.style.height = this._computeHeight() + "px"; - //this._node.style.maxHeight = this._computeHeight(gridRows) + "px"; } + }; |