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Scale down folder cells to fit within bounds if necessary.

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The number of folder cols/rows are set in InvariantDeviceProfile.
Because of this, we may need to scale down the folder cells in
multi-window mode.

Bug: 32176631
Change-Id: I925d5ac9d29439c5d61cf089e7784065a8cb5ebd
This commit is contained in:
Jon Miranda
2016-11-03 15:29:29 -07:00
parent 8f6ada9563
commit bf7d8121ea
3 changed files with 50 additions and 29 deletions
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76
src/com/android/launcher3/DeviceProfile.java
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@@ -96,8 +96,14 @@ public class DeviceProfile {
public int folderBackgroundOffset;
public int folderIconSizePx;
public int folderIconPreviewPadding;
// Folder cell
public int folderCellWidthPx;
public int folderCellHeightPx;
// Folder child
public int folderChildIconSizePx;
public int folderChildTextSizePx;
public int folderChildDrawablePaddingPx;
// Hotseat
@@ -228,19 +234,17 @@ public class DeviceProfile {
}
private void updateAvailableDimensions(DisplayMetrics dm, Resources res) {
// Check to see if the icons fit in the new available height. If not, then we need to
// shrink the icon size.
float scale = 1f;
int drawablePadding = iconDrawablePaddingOriginalPx;
updateIconSize(1f, drawablePadding, res, dm);
float usedHeight = (cellHeightPx * inv.numRows);
updateIconSize(1f, iconDrawablePaddingOriginalPx, res, dm);
// Check to see if the icons fit within the available height. If not, then scale down.
float usedHeight = (cellHeightPx * inv.numRows);
int maxHeight = (availableHeightPx - getTotalWorkspacePadding().y);
if (usedHeight > maxHeight) {
scale = maxHeight / usedHeight;
drawablePadding = 0;
float scale = maxHeight / usedHeight;
updateIconSize(scale, 0, res, dm);
}
updateIconSize(scale, drawablePadding, res, dm);
updateAvailableFolderCellDimensions(dm, res);
}
private void updateIconSize(float scale, int drawablePadding, Resources res,
@@ -276,31 +280,47 @@ public class DeviceProfile {
res.getInteger(R.integer.config_workspaceSpringLoadShrinkPercentage) / 100.0f;
}
// Folder cell
int cellPaddingX = res.getDimensionPixelSize(R.dimen.folder_cell_x_padding);
int cellPaddingY = res.getDimensionPixelSize(R.dimen.folder_cell_y_padding);
final int folderChildTextSize =
Utilities.calculateTextHeight(res.getDimension(R.dimen.folder_child_text_size));
final int folderBottomPanelSize =
res.getDimensionPixelSize(R.dimen.folder_label_padding_top)
+ res.getDimensionPixelSize(R.dimen.folder_label_padding_bottom)
+ Utilities.calculateTextHeight(res.getDimension(R.dimen.folder_label_text_size));
// Don't let the folder get too close to the edges of the screen.
folderCellWidthPx = Math.min(iconSizePx + 2 * cellPaddingX,
(availableWidthPx - 4 * edgeMarginPx) / inv.numFolderColumns);
folderCellHeightPx = Math.min(iconSizePx + 3 * cellPaddingY + folderChildTextSize,
(availableHeightPx - 4 * edgeMarginPx - folderBottomPanelSize) / inv.numFolderRows);
folderChildDrawablePaddingPx = Math.max(0,
(folderCellHeightPx - iconSizePx - folderChildTextSize) / 3);
// Folder icon
folderBackgroundOffset = -edgeMarginPx;
folderIconSizePx = iconSizePx + 2 * -folderBackgroundOffset;
folderIconPreviewPadding = res.getDimensionPixelSize(R.dimen.folder_preview_padding);
}
private void updateAvailableFolderCellDimensions(DisplayMetrics dm, Resources res) {
int folderBottomPanelSize = res.getDimensionPixelSize(R.dimen.folder_label_padding_top)
+ res.getDimensionPixelSize(R.dimen.folder_label_padding_bottom)
+ Utilities.calculateTextHeight(res.getDimension(R.dimen.folder_label_text_size));
updateFolderCellSize(1f, dm, res, folderBottomPanelSize);
// Check to see if the icons fit within the available height. If not, then scale down.
float usedHeight = (folderCellHeightPx * inv.numFolderRows) + folderBottomPanelSize;
int maxHeight = availableHeightPx - getTotalWorkspacePadding().y - (2 * edgeMarginPx);
if (usedHeight > maxHeight) {
float scale = maxHeight / usedHeight;
updateFolderCellSize(scale, dm, res, folderBottomPanelSize);
}
}
private void updateFolderCellSize(float scale, DisplayMetrics dm, Resources res,
int folderBottomPanelSize) {
folderChildIconSizePx = (int) (Utilities.pxFromDp(inv.iconSize, dm) * scale);
folderChildTextSizePx =
(int) (res.getDimensionPixelSize(R.dimen.folder_child_text_size) * scale);
int textHeight = Utilities.calculateTextHeight(folderChildTextSizePx);
int cellPaddingX = (int) (res.getDimensionPixelSize(R.dimen.folder_cell_x_padding) * scale);
int cellPaddingY = (int) (res.getDimensionPixelSize(R.dimen.folder_cell_y_padding) * scale);
// Don't let the folder get too close to the edges of the screen.
folderCellWidthPx = Math.min(folderChildIconSizePx + 2 * cellPaddingX,
(availableWidthPx - 4 * edgeMarginPx) / inv.numFolderColumns);
folderCellHeightPx = Math.min(folderChildIconSizePx + 2 * cellPaddingY + textHeight,
(availableHeightPx - 4 * edgeMarginPx - folderBottomPanelSize) / inv.numFolderRows);
folderChildDrawablePaddingPx = Math.max(0,
(folderCellHeightPx - folderChildIconSizePx - textHeight) / 3);
}
public void updateInsets(Rect insets) {
mInsets.set(insets);
}