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Modifying wallpapers customization page to look like widgets.

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- Disallowing touch handling when there are no children

Change-Id: I925d6f1f862f8c7994a80c4eaacc80f8d59f6ab2
This commit is contained in:
Winson Chung
2010-11-09 17:19:49 -08:00
parent 0811495e24
commit 45e1d6ec0a
10 changed files with 193 additions and 194 deletions
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128
src/com/android/launcher2/CustomizePagedView.java
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@@ -77,12 +77,18 @@ public class CustomizePagedView extends PagedView
// The mapping between the pages and the widgets that will be laid out on them
private ArrayList<ArrayList<AppWidgetProviderInfo>> mWidgetPages;
// The max dimensions for the ImageView we use for displaying the widget
// The max dimensions for the ImageView we use for displaying a widget
private int mMaxWidgetWidth;
// The max number of widget cells to take a "page" of widget
// The max number of widget cells to take a "page" of widgets
private int mMaxWidgetsCellHSpan;
// The size of the items on the wallpaper tab
private int mWallpaperCellHSpan;
// The max dimensions for the ImageView we use for displaying a wallpaper
private int mMaxWallpaperWidth;
// The raw sources of data for each of the different tabs of the customization page
private List<AppWidgetProviderInfo> mWidgetList;
private List<ResolveInfo> mShortcutList;
@@ -112,15 +118,15 @@ public class CustomizePagedView extends PagedView
super(context, attrs, defStyle);
TypedArray a;
a = context.obtainStyledAttributes(attrs, R.styleable.CustomizePagedView,
defStyle, 0);
a = context.obtainStyledAttributes(attrs, R.styleable.CustomizePagedView, defStyle, 0);
mWallpaperCellHSpan = a.getInt(R.styleable.CustomizePagedView_wallpaperCellSpanX, 4);
mMaxWidgetsCellHSpan = a.getInt(R.styleable.CustomizePagedView_widgetCellCountX, 8);
a.recycle();
a = context.obtainStyledAttributes(attrs, R.styleable.PagedView, defStyle, 0);
mCellCountX = a.getInt(R.styleable.PagedView_cellCountX, 7);
mCellCountY = a.getInt(R.styleable.PagedView_cellCountY, 4);
a.recycle();
mCustomizationType = CustomizationType.WidgetCustomization;
mWidgetPages = new ArrayList<ArrayList<AppWidgetProviderInfo>>();
mWorkspaceWidgetLayout = new PagedViewCellLayout(context);
@@ -449,21 +455,58 @@ public class CustomizePagedView extends PagedView
/**
* Helper function to draw a drawable to the specified canvas with the specified bounds.
*/
private void renderDrawableToBitmap(Drawable d, Bitmap bitmap, int l, int t, int r, int b) {
private void renderDrawableToBitmap(Drawable d, Bitmap bitmap, int x, int y, int w, int h) {
if (bitmap != null) mCanvas.setBitmap(bitmap);
mCanvas.save();
d.setBounds(l, t, r, b);
d.setBounds(x, y, x+w, y+h);
d.draw(mCanvas);
mCanvas.restore();
}
/**
* This method will extract the preview image specified by the wallpaper source provider (if it
* exists) otherwise, it will try to generate a default image preview.
*/
private Drawable getWallpaperPreview(ResolveInfo info) {
// To be implemented later: resolving the up-to-date wallpaper thumbnail
final int minDim = mWorkspaceWidgetLayout.estimateCellWidth(1);
final int dim = mWorkspaceWidgetLayout.estimateCellWidth(mWallpaperCellHSpan);
Resources resources = mLauncher.getResources();
// Create a new bitmap to hold the widget preview
int width = (int) (dim * sScaleFactor);
int height = (int) (dim * sScaleFactor);
final Bitmap bitmap = Bitmap.createBitmap(width, height, Config.ARGB_8888);
final Drawable background = resources.getDrawable(R.drawable.default_widget_preview);
renderDrawableToBitmap(background, bitmap, 0, 0, width, height);
// Draw the icon flush left
try {
final IconCache iconCache =
((LauncherApplication) mLauncher.getApplication()).getIconCache();
Drawable icon = new FastBitmapDrawable(Utilities.createIconBitmap(
iconCache.getFullResIcon(info, mPackageManager), mContext));
final int iconSize = minDim / 2;
final int offset = iconSize / 4;
renderDrawableToBitmap(icon, null, offset, offset, iconSize, iconSize);
} catch (Resources.NotFoundException e) {
// if we can't find the icon, then just don't draw it
}
Drawable drawable = new FastBitmapDrawable(bitmap);
drawable.setBounds(0, 0, drawable.getIntrinsicWidth(), drawable.getIntrinsicHeight());
return drawable;
}
/**
* This method will extract the preview image specified by the widget developer (if it exists),
* otherwise, it will try to generate a default image preview with the widget's package icon.
* @return the drawable will be used and sized in the ImageView to represent the widget
* @return the drawable that will be used and sized in the ImageView to represent the widget
*/
private Drawable getWidgetPreview(AppWidgetProviderInfo info) {
PackageManager packageManager = mLauncher.getPackageManager();
final PackageManager packageManager = mPackageManager;
String packageName = info.provider.getPackageName();
Drawable drawable = null;
if (info.previewImage != 0) {
@@ -487,9 +530,8 @@ public class CustomizePagedView extends PagedView
final Drawable background = resources.getDrawable(R.drawable.default_widget_preview);
renderDrawableToBitmap(background, bitmap, 0, 0, width, height);
// Draw the icon vertically centered, flush left
// Draw the icon flush left
try {
Rect tmpRect = new Rect();
Drawable icon = null;
if (info.icon > 0) {
icon = packageManager.getDrawable(packageName, info.icon, null);
@@ -497,12 +539,10 @@ public class CustomizePagedView extends PagedView
if (icon == null) {
icon = resources.getDrawable(R.drawable.ic_launcher_application);
}
background.getPadding(tmpRect);
final int iconSize = minDim / 2;
final int offset = iconSize / 4;
final int offsetIconSize = offset + iconSize;
renderDrawableToBitmap(icon, null, offset, offset, offsetIconSize, offsetIconSize);
renderDrawableToBitmap(icon, null, offset, offset, iconSize, iconSize);
} catch (Resources.NotFoundException e) {
// if we can't find the icon, then just don't draw it
}
@@ -548,6 +588,7 @@ public class CustomizePagedView extends PagedView
mWorkspaceWidgetLayout.setPadding(20, 10, 20, 0);
mMaxWidgetWidth = mWorkspaceWidgetLayout.estimateCellWidth(sMaxWidgetCellHSpan);
mMaxWallpaperWidth = mWorkspaceWidgetLayout.estimateCellWidth(mWallpaperCellHSpan);
}
private void syncWidgetPages() {
@@ -557,7 +598,7 @@ public class CustomizePagedView extends PagedView
removeAllViews();
int numPages = relayoutWidgets();
for (int i = 0; i < numPages; ++i) {
LinearLayout layout = new PagedViewWidgetLayout(getContext());
LinearLayout layout = new PagedViewExtendedLayout(getContext());
layout.setGravity(Gravity.CENTER_HORIZONTAL);
layout.setPadding(mPageLayoutPaddingLeft, mPageLayoutPaddingTop,
mPageLayoutPaddingRight, mPageLayoutPaddingBottom);
@@ -610,6 +651,58 @@ public class CustomizePagedView extends PagedView
}
}
private void syncWallpaperPages() {
if (mWallpaperList == null) return;
// We need to repopulate the LinearLayout for the wallpaper pages
removeAllViews();
int numPages = (int) Math.ceil((float) (mWallpaperList.size() * mWallpaperCellHSpan) /
mMaxWidgetsCellHSpan);
for (int i = 0; i < numPages; ++i) {
LinearLayout layout = new PagedViewExtendedLayout(getContext());
layout.setGravity(Gravity.CENTER_HORIZONTAL);
layout.setPadding(mPageLayoutPaddingLeft, mPageLayoutPaddingTop,
mPageLayoutPaddingRight, mPageLayoutPaddingBottom);
// Temporary change to prevent the last page from being too small (and items bleeding
// onto it). We can remove this once we properly fix the fading algorithm
if (i < numPages - 1) {
addView(layout, new LinearLayout.LayoutParams(
LinearLayout.LayoutParams.WRAP_CONTENT,
LinearLayout.LayoutParams.MATCH_PARENT));
} else {
addView(layout, new LinearLayout.LayoutParams(
LinearLayout.LayoutParams.MATCH_PARENT,
LinearLayout.LayoutParams.MATCH_PARENT));
}
}
}
private void syncWallpaperPageItems(int page) {
// Load the items on to the pages
LinearLayout layout = (LinearLayout) getChildAt(page);
layout.removeAllViews();
final int count = mWallpaperList.size();
for (int i = 0; i < count; ++i) {
final ResolveInfo info = mWallpaperList.get(i);
LinearLayout l = (LinearLayout) mInflater.inflate(
R.layout.customize_paged_view_wallpaper, layout, false);
l.setTag(info);
l.setOnClickListener(this);
final Drawable icon = getWallpaperPreview(info);
ImageView image = (ImageView) l.findViewById(R.id.wallpaper_preview);
image.setMaxWidth(mMaxWidgetWidth);
image.setImageDrawable(icon);
TextView name = (TextView) l.findViewById(R.id.wallpaper_name);
name.setText(info.loadLabel(mPackageManager));
layout.addView(l);
}
}
private void syncListPages(List<ResolveInfo> list) {
// we need to repopulate with PagedViewCellLayouts
removeAllViews();
@@ -716,8 +809,7 @@ public class CustomizePagedView extends PagedView
centerPagedViewCellLayouts = true;
break;
case WallpaperCustomization:
syncListPages(mWallpaperList);
centerPagedViewCellLayouts = true;
syncWallpaperPages();
break;
case ApplicationCustomization:
syncAppPages();
@@ -757,7 +849,7 @@ public class CustomizePagedView extends PagedView
syncListPageItems(page, mShortcutList);
break;
case WallpaperCustomization:
syncListPageItems(page, mWallpaperList);
syncWallpaperPageItems(page);
break;
case ApplicationCustomization:
syncAppPageItems(page);