| /* |
| * Copyright (C) 2010 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.launcher2; |
| |
| import com.android.launcher.R; |
| |
| import org.xmlpull.v1.XmlPullParser; |
| |
| import android.animation.Animator; |
| import android.animation.AnimatorListenerAdapter; |
| import android.animation.ObjectAnimator; |
| import android.animation.PropertyValuesHolder; |
| import android.animation.TimeInterpolator; |
| import android.app.WallpaperManager; |
| import android.appwidget.AppWidgetManager; |
| import android.appwidget.AppWidgetProviderInfo; |
| import android.content.ComponentName; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.pm.ActivityInfo; |
| import android.content.pm.PackageManager; |
| import android.content.pm.ResolveInfo; |
| import android.content.res.Resources; |
| import android.content.res.TypedArray; |
| import android.content.res.XmlResourceParser; |
| import android.graphics.Bitmap; |
| import android.graphics.Bitmap.Config; |
| import android.graphics.Canvas; |
| import android.graphics.drawable.Drawable; |
| import android.util.AttributeSet; |
| import android.util.Log; |
| import android.util.Slog; |
| import android.util.TypedValue; |
| import android.util.Xml; |
| import android.view.ActionMode; |
| import android.view.Gravity; |
| import android.view.LayoutInflater; |
| import android.view.Menu; |
| import android.view.MenuItem; |
| import android.view.View; |
| import android.view.animation.DecelerateInterpolator; |
| import android.view.animation.Interpolator; |
| import android.widget.Checkable; |
| import android.widget.ImageView; |
| import android.widget.LinearLayout; |
| import android.widget.TextView; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.Comparator; |
| import java.util.List; |
| |
| |
| public class CustomizePagedView extends PagedViewWithDraggableItems |
| implements View.OnClickListener, DragSource, ActionMode.Callback { |
| |
| public enum CustomizationType { |
| WidgetCustomization, |
| ShortcutCustomization, |
| WallpaperCustomization, |
| ApplicationCustomization |
| } |
| |
| private static final String TAG = "CustomizeWorkspace"; |
| |
| private Launcher mLauncher; |
| private DragController mDragController; |
| private PackageManager mPackageManager; |
| |
| private CustomizationType mCustomizationType; |
| |
| // The layout used to emulate the workspace in resolve the cell dimensions of a widget |
| private PagedViewCellLayout mWorkspaceWidgetLayout; |
| |
| // 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 a widget |
| private int mMaxWidgetWidth; |
| |
| // 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 number of wallpaper cells to take a "page" of wallpaper items |
| private int mMaxWallpaperCellHSpan; |
| |
| // The raw sources of data for each of the different tabs of the customization page |
| private List<AppWidgetProviderInfo> mWidgetList; |
| private List<ResolveInfo> mShortcutList; |
| private List<ResolveInfo> mWallpaperList; |
| private List<ApplicationInfo> mApps; |
| |
| private static final int sMinWidgetCellHSpan = 2; |
| private static final int sMaxWidgetCellHSpan = 4; |
| |
| private int mChoiceModeTitleText; |
| |
| // The scale factor for widget previews inside the widget drawer |
| private static final float sScaleFactor = 0.75f; |
| |
| private final Canvas mCanvas = new Canvas(); |
| private final LayoutInflater mInflater; |
| |
| private final float mTmpFloatPos[] = new float[2]; |
| private final float ANIMATION_SCALE = 0.5f; |
| private final int ANIMATION_DURATION = 400; |
| private TimeInterpolator mQuintEaseOutInterpolator = new DecelerateInterpolator(2.5f); |
| private ScaleAlphaInterpolator mScaleAlphaInterpolator = new ScaleAlphaInterpolator(); |
| |
| public CustomizePagedView(Context context) { |
| this(context, null, 0); |
| } |
| |
| public CustomizePagedView(Context context, AttributeSet attrs) { |
| this(context, attrs, 0); |
| } |
| |
| public CustomizePagedView(Context context, AttributeSet attrs, int defStyle) { |
| super(context, attrs, defStyle); |
| |
| TypedArray a; |
| a = context.obtainStyledAttributes(attrs, R.styleable.CustomizePagedView, defStyle, 0); |
| mWallpaperCellHSpan = a.getInt(R.styleable.CustomizePagedView_wallpaperCellSpanX, 4); |
| mMaxWallpaperCellHSpan = a.getInt(R.styleable.CustomizePagedView_wallpaperCellCountX, 8); |
| 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); |
| mInflater = LayoutInflater.from(context); |
| |
| final Resources r = context.getResources(); |
| setDragSlopeThreshold( |
| r.getInteger(R.integer.config_customizationDrawerDragSlopeThreshold) / 100.0f); |
| |
| setVisibility(View.GONE); |
| setSoundEffectsEnabled(false); |
| setupWorkspaceLayout(); |
| } |
| |
| @Override |
| protected void init() { |
| super.init(); |
| mCenterPagesVertically = false; |
| } |
| |
| public void setLauncher(Launcher launcher) { |
| Context context = getContext(); |
| mLauncher = launcher; |
| mPackageManager = context.getPackageManager(); |
| } |
| |
| /** |
| * Sets the list of applications that launcher has loaded. |
| */ |
| public void setApps(ArrayList<ApplicationInfo> list) { |
| mApps = list; |
| Collections.sort(mApps, LauncherModel.APP_NAME_COMPARATOR); |
| |
| // Update the widgets/shortcuts to reflect changes in the set of available apps |
| mPageViewIconCache.retainAllApps(list); |
| invalidatePageData(); |
| } |
| |
| /** |
| * Convenience function to add new items to the set of applications that were previously loaded. |
| * Called by both updateApps() and setApps(). |
| */ |
| private void addAppsWithoutInvalidate(ArrayList<ApplicationInfo> list) { |
| // we add it in place, in alphabetical order |
| final int count = list.size(); |
| for (int i = 0; i < count; ++i) { |
| final ApplicationInfo info = list.get(i); |
| final int index = Collections.binarySearch(mApps, info, LauncherModel.APP_NAME_COMPARATOR); |
| if (index < 0) { |
| mApps.add(-(index + 1), info); |
| } |
| } |
| } |
| |
| /** |
| * Adds new applications to the loaded list, and notifies the paged view to update itself. |
| */ |
| public void addApps(ArrayList<ApplicationInfo> list) { |
| addAppsWithoutInvalidate(list); |
| |
| // Update the widgets/shortcuts to reflect changes in the set of available apps |
| invalidatePageData(); |
| } |
| |
| /** |
| * Convenience function to remove items to the set of applications that were previously loaded. |
| * Called by both updateApps() and removeApps(). |
| */ |
| private void removeAppsWithoutInvalidate(ArrayList<ApplicationInfo> list) { |
| // loop through all the apps and remove apps that have the same component |
| final int length = list.size(); |
| for (int i = 0; i < length; ++i) { |
| final ApplicationInfo info = list.get(i); |
| int removeIndex = findAppByComponent(mApps, info); |
| if (removeIndex > -1) { |
| mApps.remove(removeIndex); |
| mPageViewIconCache.removeOutline(new PagedViewIconCache.Key(info)); |
| } |
| } |
| } |
| |
| /** |
| * Removes applications from the loaded list, and notifies the paged view to update itself. |
| */ |
| public void removeApps(ArrayList<ApplicationInfo> list) { |
| removeAppsWithoutInvalidate(list); |
| |
| // Update the widgets/shortcuts to reflect changes in the set of available apps |
| invalidatePageData(); |
| } |
| |
| /** |
| * Updates a set of applications from the loaded list, and notifies the paged view to update |
| * itself. |
| */ |
| public void updateApps(ArrayList<ApplicationInfo> list) { |
| // We remove and re-add the updated applications list because it's properties may have |
| // changed (ie. the title), and this will ensure that the items will be in their proper |
| // place in the list. |
| removeAppsWithoutInvalidate(list); |
| addAppsWithoutInvalidate(list); |
| |
| // Update the widgets/shortcuts to reflect changes in the set of available apps |
| invalidatePageData(); |
| } |
| |
| /** |
| * Convenience function to find matching ApplicationInfos for removal. |
| */ |
| private int findAppByComponent(List<ApplicationInfo> list, ApplicationInfo item) { |
| ComponentName removeComponent = item.intent.getComponent(); |
| final int length = list.size(); |
| for (int i = 0; i < length; ++i) { |
| ApplicationInfo info = list.get(i); |
| if (info.intent.getComponent().equals(removeComponent)) { |
| return i; |
| } |
| } |
| return -1; |
| } |
| |
| public void update() { |
| // get the list of widgets |
| mWidgetList = AppWidgetManager.getInstance(mLauncher).getInstalledProviders(); |
| Collections.sort(mWidgetList, new Comparator<AppWidgetProviderInfo>() { |
| @Override |
| public int compare(AppWidgetProviderInfo object1, AppWidgetProviderInfo object2) { |
| return object1.label.compareTo(object2.label); |
| } |
| }); |
| |
| Comparator<ResolveInfo> resolveInfoComparator = new Comparator<ResolveInfo>() { |
| @Override |
| public int compare(ResolveInfo object1, ResolveInfo object2) { |
| return object1.loadLabel(mPackageManager).toString().compareTo( |
| object2.loadLabel(mPackageManager).toString()); |
| } |
| }; |
| |
| // get the list of shortcuts |
| Intent shortcutsIntent = new Intent(Intent.ACTION_CREATE_SHORTCUT); |
| mShortcutList = mPackageManager.queryIntentActivities(shortcutsIntent, 0); |
| Collections.sort(mShortcutList, resolveInfoComparator); |
| |
| // get the list of wallpapers |
| Intent wallpapersIntent = new Intent(Intent.ACTION_SET_WALLPAPER); |
| mWallpaperList = mPackageManager.queryIntentActivities(wallpapersIntent, |
| PackageManager.GET_META_DATA); |
| Collections.sort(mWallpaperList, resolveInfoComparator); |
| |
| ArrayList<ResolveInfo> retainShortcutList = new ArrayList<ResolveInfo>(mShortcutList); |
| retainShortcutList.addAll(mWallpaperList); |
| mPageViewIconCache.retainAllShortcuts(retainShortcutList); |
| mPageViewIconCache.retainAllAppWidgets(mWidgetList); |
| invalidatePageData(); |
| } |
| |
| public void setDragController(DragController dragger) { |
| mDragController = dragger; |
| } |
| |
| public void setCustomizationFilter(CustomizationType filterType) { |
| cancelDragging(); |
| mCustomizationType = filterType; |
| if (getChildCount() > 0) { |
| setCurrentPage(0); |
| updateCurrentPageScroll(); |
| invalidatePageData(); |
| |
| // End the current choice mode so that we don't carry selections across tabs |
| endChoiceMode(); |
| } |
| } |
| |
| public CustomizationType getCustomizationFilter() { |
| return mCustomizationType; |
| } |
| |
| @Override |
| public void onDropCompleted(View target, boolean success) { |
| resetCheckedGrandchildren(); |
| mLauncher.getWorkspace().onDragStopped(success); |
| mLauncher.unlockScreenOrientation(); |
| } |
| |
| @Override |
| public void onDragViewVisible() { |
| } |
| |
| class ScaleAlphaInterpolator implements Interpolator { |
| public float getInterpolation(float input) { |
| float pivot = 0.5f; |
| if (input < pivot) { |
| return 0; |
| } else { |
| return (input - pivot)/(1 - pivot); |
| } |
| } |
| } |
| |
| private void animateItemOntoScreen(View dragView, |
| final CellLayout layout, final ItemInfo info) { |
| mTmpFloatPos[0] = layout.getWidth() / 2; |
| mTmpFloatPos[1] = layout.getHeight() / 2; |
| mLauncher.getWorkspace().mapPointFromChildToSelf(layout, mTmpFloatPos); |
| |
| final DragLayer dragLayer = (DragLayer) mLauncher.findViewById(R.id.drag_layer); |
| final View dragCopy = dragLayer.createDragView(dragView); |
| dragCopy.setAlpha(1.0f); |
| |
| int dragViewWidth = dragView.getMeasuredWidth(); |
| int dragViewHeight = dragView.getMeasuredHeight(); |
| float heightOffset = 0; |
| float widthOffset = 0; |
| |
| if (dragView instanceof ImageView) { |
| Drawable d = ((ImageView) dragView).getDrawable(); |
| int width = d.getIntrinsicWidth(); |
| int height = d.getIntrinsicHeight(); |
| |
| if ((1.0 * width / height) >= (1.0f * dragViewWidth) / dragViewHeight) { |
| float f = (dragViewWidth / (width * 1.0f)); |
| heightOffset = ANIMATION_SCALE * (dragViewHeight - f * height) / 2; |
| } else { |
| float f = (dragViewHeight / (height * 1.0f)); |
| widthOffset = ANIMATION_SCALE * (dragViewWidth - f * width) / 2; |
| } |
| } |
| |
| float toX = mTmpFloatPos[0] - dragView.getMeasuredWidth() / 2 + widthOffset; |
| float toY = mTmpFloatPos[1] - dragView.getMeasuredHeight() / 2 + heightOffset; |
| |
| ObjectAnimator posAnim = ObjectAnimator.ofPropertyValuesHolder(dragCopy, |
| PropertyValuesHolder.ofFloat("x", toX), |
| PropertyValuesHolder.ofFloat("y", toY)); |
| posAnim.setInterpolator(mQuintEaseOutInterpolator); |
| posAnim.setDuration(ANIMATION_DURATION); |
| |
| posAnim.addListener(new AnimatorListenerAdapter() { |
| public void onAnimationEnd(Animator animation) { |
| dragLayer.removeView(dragCopy); |
| mLauncher.addExternalItemToScreen(info, layout); |
| post(new Runnable() { |
| public void run() { |
| layout.animateDrop(); |
| } |
| }); |
| } |
| }); |
| |
| ObjectAnimator scaleAlphaAnim = ObjectAnimator.ofPropertyValuesHolder(dragCopy, |
| PropertyValuesHolder.ofFloat("alpha", 1.0f, 0.0f), |
| PropertyValuesHolder.ofFloat("scaleX", ANIMATION_SCALE), |
| PropertyValuesHolder.ofFloat("scaleY", ANIMATION_SCALE)); |
| scaleAlphaAnim.setInterpolator(mScaleAlphaInterpolator); |
| scaleAlphaAnim.setDuration(ANIMATION_DURATION); |
| |
| posAnim.start(); |
| scaleAlphaAnim.start(); |
| } |
| |
| @Override |
| public void onClick(final View v) { |
| // Return early if this is not initiated from a touch |
| if (!v.isInTouchMode()) return; |
| // Return early if we are still animating the pages |
| if (mNextPage != INVALID_PAGE) return; |
| |
| // On certain pages, we allow single tap to mark items as selected so that they can be |
| // dropped onto the mini workspaces |
| boolean enterChoiceMode = false; |
| switch (mCustomizationType) { |
| case WidgetCustomization: |
| mChoiceModeTitleText = R.string.cab_widget_selection_text; |
| enterChoiceMode = true; |
| break; |
| case ApplicationCustomization: |
| mChoiceModeTitleText = R.string.cab_app_selection_text; |
| enterChoiceMode = true; |
| break; |
| case ShortcutCustomization: |
| mChoiceModeTitleText = R.string.cab_shortcut_selection_text; |
| enterChoiceMode = true; |
| break; |
| default: |
| break; |
| } |
| |
| if (enterChoiceMode) { |
| final ItemInfo itemInfo = (ItemInfo) v.getTag(); |
| |
| Workspace w = mLauncher.getWorkspace(); |
| int currentWorkspaceScreen = mLauncher.getCurrentWorkspaceScreen(); |
| final CellLayout cl = (CellLayout)w.getChildAt(currentWorkspaceScreen); |
| final View dragView = getDragView(v); |
| |
| animateClickFeedback(v, new Runnable() { |
| @Override |
| public void run() { |
| cl.calculateSpans(itemInfo); |
| if (cl.findCellForSpan(null, itemInfo.spanX, itemInfo.spanY)) { |
| animateItemOntoScreen(dragView, cl, itemInfo); |
| } else { |
| mLauncher.showOutOfSpaceMessage(); |
| } |
| } |
| }); |
| return; |
| } |
| |
| // Otherwise, we just handle the single click here |
| switch (mCustomizationType) { |
| case WallpaperCustomization: |
| // animate some feedback to the long press |
| final View clickView = v; |
| animateClickFeedback(v, new Runnable() { |
| @Override |
| public void run() { |
| // add the shortcut |
| ResolveInfo info = (ResolveInfo) clickView.getTag(); |
| Intent createWallpapersIntent = new Intent(Intent.ACTION_SET_WALLPAPER); |
| ComponentName name = new ComponentName(info.activityInfo.packageName, |
| info.activityInfo.name); |
| createWallpapersIntent.setComponent(name); |
| mLauncher.processWallpaper(createWallpapersIntent); |
| } |
| }); |
| break; |
| default: |
| break; |
| } |
| } |
| |
| Bitmap drawableToBitmap(Drawable d, View v, boolean clipHeight) { |
| int height = clipHeight ? v.getPaddingTop() + d.getIntrinsicHeight() : v.getHeight(); |
| Bitmap b = Bitmap.createBitmap(v.getWidth(), height, Bitmap.Config.ARGB_8888); |
| Canvas c = new Canvas(b); |
| c.translate((v.getWidth() - d.getIntrinsicWidth()) / 2, v.getPaddingTop()); |
| d.draw(c); |
| return b; |
| } |
| |
| private View getDragView(View v) { |
| return (mCustomizationType == CustomizationType.WidgetCustomization) ? |
| v.findViewById(R.id.widget_preview) : v; |
| } |
| |
| protected boolean beginDragging(View v) { |
| if (!v.isInTouchMode()) return false; |
| if (!super.beginDragging(v)) return false; |
| |
| // End the current choice mode before we start dragging anything |
| if (isChoiceMode(CHOICE_MODE_SINGLE)) { |
| endChoiceMode(); |
| } |
| boolean result = false; |
| mLauncher.lockScreenOrientation(); |
| switch (mCustomizationType) { |
| case WidgetCustomization: { |
| if (v instanceof PagedViewWidget) { |
| // Get the widget preview as the drag representation |
| final LinearLayout l = (LinearLayout) v; |
| final ImageView i = (ImageView) l.findViewById(R.id.widget_preview); |
| Bitmap b = drawableToBitmap(i.getDrawable(), i, true); |
| PendingAddWidgetInfo createWidgetInfo = (PendingAddWidgetInfo) v.getTag(); |
| |
| int[] spanXY = CellLayout.rectToCell( |
| getResources(), createWidgetInfo.minWidth, createWidgetInfo.minHeight, null); |
| createWidgetInfo.spanX = spanXY[0]; |
| createWidgetInfo.spanY = spanXY[1]; |
| mLauncher.getWorkspace().onDragStartedWithItemSpans(spanXY[0], spanXY[1], b); |
| mDragController.startDrag( |
| i, b, this, createWidgetInfo, DragController.DRAG_ACTION_COPY, null); |
| b.recycle(); |
| result = true; |
| } |
| break; |
| } |
| case ShortcutCustomization: { |
| if (v instanceof PagedViewIcon) { |
| // get icon (top compound drawable, index is 1) |
| final TextView tv = (TextView) v; |
| final Drawable icon = tv.getCompoundDrawables()[1]; |
| Bitmap b = drawableToBitmap(icon, tv, false); |
| PendingAddItemInfo createItemInfo = (PendingAddItemInfo) v.getTag(); |
| |
| mLauncher.getWorkspace().onDragStartedWithItemSpans(1, 1, b); |
| mDragController.startDrag(v, b, this, createItemInfo, DragController.DRAG_ACTION_COPY, |
| null); |
| b.recycle(); |
| result = true; |
| } |
| break; |
| } |
| case ApplicationCustomization: { |
| if (v instanceof PagedViewIcon) { |
| // Pick up the application for dropping |
| // get icon (top compound drawable, index is 1) |
| final TextView tv = (TextView) v; |
| final Drawable icon = tv.getCompoundDrawables()[1]; |
| Bitmap b = drawableToBitmap(icon, tv, false); |
| ApplicationInfo app = (ApplicationInfo) v.getTag(); |
| app = new ApplicationInfo(app); |
| |
| mLauncher.getWorkspace().onDragStartedWithItemSpans(1, 1, b); |
| mDragController.startDrag(v, b, this, app, DragController.DRAG_ACTION_COPY, null); |
| b.recycle(); |
| result = true; |
| } |
| break; |
| } |
| } |
| |
| // We toggle the checked state _after_ we create the view for the drag in case toggling the |
| // checked state changes the view's look |
| if (result && (v instanceof Checkable)) { |
| // In preparation for drag, we always reset the checked grand children regardless of |
| // what choice mode we are in |
| resetCheckedGrandchildren(); |
| |
| // Toggle the selection on the dragged app |
| Checkable checkable = (Checkable) v; |
| |
| // Note: we toggle the checkable state to actually cause an alpha fade for the duration |
| // of the drag of the item. (The fade-in will occur when all checked states are |
| // disabled when dragging ends) |
| checkable.toggle(); |
| } |
| |
| return result; |
| } |
| |
| /** |
| * Pre-processes the layout of the different widget pages. |
| * @return the number of pages of widgets that we have |
| */ |
| private int relayoutWidgets() { |
| if (mWidgetList.isEmpty()) return 0; |
| |
| // create a new page for the first set of widgets |
| ArrayList<AppWidgetProviderInfo> newPage = new ArrayList<AppWidgetProviderInfo>(); |
| mWidgetPages.clear(); |
| mWidgetPages.add(newPage); |
| |
| // do this until we have no more widgets to lay out |
| final int maxNumCellsPerRow = mMaxWidgetsCellHSpan; |
| final int widgetCount = mWidgetList.size(); |
| int numCellsInRow = 0; |
| for (int i = 0; i < widgetCount; ++i) { |
| final AppWidgetProviderInfo info = mWidgetList.get(i); |
| |
| // determine the size of the current widget |
| int cellSpanX = Math.max(sMinWidgetCellHSpan, Math.min(sMaxWidgetCellHSpan, |
| mWorkspaceWidgetLayout.estimateCellHSpan(info.minWidth))); |
| |
| // create a new page if necessary |
| if ((numCellsInRow + cellSpanX) > maxNumCellsPerRow) { |
| numCellsInRow = 0; |
| newPage = new ArrayList<AppWidgetProviderInfo>(); |
| mWidgetPages.add(newPage); |
| } |
| |
| // add the item to the current page |
| newPage.add(info); |
| numCellsInRow += cellSpanX; |
| } |
| |
| return mWidgetPages.size(); |
| } |
| |
| /** |
| * Helper function to draw a drawable to the specified canvas with the specified bounds. |
| */ |
| 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(x, y, x+w, y+h); |
| d.draw(mCanvas); |
| mCanvas.restore(); |
| } |
| |
| /* |
| * This method fetches an xml file specified in the manifest identified by |
| * WallpaperManager.WALLPAPER_PREVIEW_META_DATA). The xml file specifies |
| * an image which will be used as the wallpaper preview for an activity |
| * which responds to ACTION_SET_WALLPAPER. This image is returned and used |
| * in the customize drawer. |
| */ |
| private Drawable parseWallpaperPreviewXml(ComponentName component, ResolveInfo ri) { |
| ActivityInfo activityInfo = ri.activityInfo; |
| XmlResourceParser parser = null; |
| try { |
| parser = activityInfo.loadXmlMetaData(mPackageManager, |
| WallpaperManager.WALLPAPER_PREVIEW_META_DATA); |
| if (parser == null) { |
| Slog.w(TAG, "No " + WallpaperManager.WALLPAPER_PREVIEW_META_DATA + " meta-data for " |
| + "wallpaper provider '" + component + '\''); |
| return null; |
| } |
| |
| AttributeSet attrs = Xml.asAttributeSet(parser); |
| |
| int type; |
| while ((type=parser.next()) != XmlPullParser.END_DOCUMENT |
| && type != XmlPullParser.START_TAG) { |
| // drain whitespace, comments, etc. |
| } |
| |
| String nodeName = parser.getName(); |
| if (!"wallpaper-preview".equals(nodeName)) { |
| Slog.w(TAG, "Meta-data does not start with wallpaper-preview tag for " |
| + "wallpaper provider '" + component + '\''); |
| return null; |
| } |
| |
| // If metaData was null, we would have returned earlier when getting |
| // the parser No need to do the check here |
| Resources res = mPackageManager.getResourcesForApplication( |
| activityInfo.applicationInfo); |
| |
| TypedArray sa = res.obtainAttributes(attrs, |
| com.android.internal.R.styleable.WallpaperPreviewInfo); |
| |
| TypedValue value = sa.peekValue( |
| com.android.internal.R.styleable.WallpaperPreviewInfo_staticWallpaperPreview); |
| if (value == null) return null; |
| |
| return res.getDrawable(value.resourceId); |
| } catch (Exception e) { |
| Slog.w(TAG, "XML parsing failed for wallpaper provider '" + component + '\'', e); |
| return null; |
| } finally { |
| if (parser != null) parser.close(); |
| } |
| } |
| |
| /** |
| * 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 FastBitmapDrawable 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); |
| |
| Drawable background = parseWallpaperPreviewXml( |
| new ComponentName(info.activityInfo.packageName, info.activityInfo.name), info); |
| boolean foundCustomDrawable = background != null; |
| |
| if (!foundCustomDrawable) { |
| background = resources.getDrawable(R.drawable.default_widget_preview); |
| } |
| |
| renderDrawableToBitmap(background, bitmap, 0, 0, width, height); |
| |
| // If we don't have a custom icon, we use the app icon on the default background |
| if (!foundCustomDrawable) { |
| 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 |
| } |
| } |
| |
| FastBitmapDrawable 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 that will be used and sized in the ImageView to represent the widget |
| */ |
| private FastBitmapDrawable getWidgetPreview(AppWidgetProviderInfo info) { |
| final PackageManager packageManager = mPackageManager; |
| String packageName = info.provider.getPackageName(); |
| Drawable drawable = null; |
| FastBitmapDrawable newDrawable = null; |
| if (info.previewImage != 0) { |
| drawable = packageManager.getDrawable(packageName, info.previewImage, null); |
| if (drawable == null) { |
| Log.w(TAG, "Can't load icon drawable 0x" + Integer.toHexString(info.icon) |
| + " for provider: " + info.provider); |
| } |
| } |
| |
| // If we don't have a preview image, create a default one |
| final int minDim = mWorkspaceWidgetLayout.estimateCellWidth(1); |
| final int maxDim = mWorkspaceWidgetLayout.estimateCellWidth(3); |
| if (drawable == null) { |
| Resources resources = mLauncher.getResources(); |
| |
| // Create a new bitmap to hold the widget preview |
| int width = (int) (Math.max(minDim, Math.min(maxDim, info.minWidth)) * sScaleFactor); |
| int height = (int) (Math.max(minDim, Math.min(maxDim, info.minHeight)) * 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 { |
| Drawable icon = null; |
| if (info.icon > 0) { |
| icon = packageManager.getDrawable(packageName, info.icon, null); |
| } |
| if (icon == null) { |
| icon = resources.getDrawable(R.drawable.ic_launcher_application); |
| } |
| |
| 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 |
| } |
| |
| newDrawable = new FastBitmapDrawable(bitmap); |
| } else { |
| // Scale down the preview if necessary |
| final float imageWidth = drawable.getIntrinsicWidth(); |
| final float imageHeight = drawable.getIntrinsicHeight(); |
| final float aspect = (float) imageWidth / imageHeight; |
| final int scaledWidth = |
| (int) (Math.max(minDim, Math.min(maxDim, imageWidth)) * sScaleFactor); |
| final int scaledHeight = |
| (int) (Math.max(minDim, Math.min(maxDim, imageHeight)) * sScaleFactor); |
| int width; |
| int height; |
| if (aspect >= 1.0f) { |
| width = scaledWidth; |
| height = (int) (((float) scaledWidth / imageWidth) * imageHeight); |
| } else { |
| height = scaledHeight; |
| width = (int) (((float) scaledHeight / imageHeight) * imageWidth); |
| } |
| |
| final Bitmap bitmap = Bitmap.createBitmap(width, height, Config.ARGB_8888); |
| renderDrawableToBitmap(drawable, bitmap, 0, 0, width, height); |
| |
| newDrawable = new FastBitmapDrawable(bitmap); |
| } |
| newDrawable.setBounds(0, 0, newDrawable.getIntrinsicWidth(), |
| newDrawable.getIntrinsicHeight()); |
| return newDrawable; |
| } |
| |
| private void setupPage(PagedViewCellLayout layout) { |
| layout.setCellCount(mCellCountX, mCellCountY); |
| layout.setPadding(mPageLayoutPaddingLeft, mPageLayoutPaddingTop, mPageLayoutPaddingRight, |
| mPageLayoutPaddingBottom); |
| layout.setGap(mPageLayoutWidthGap, mPageLayoutHeightGap); |
| } |
| |
| private void setupWorkspaceLayout() { |
| mWorkspaceWidgetLayout.setCellCount(mCellCountX, mCellCountY); |
| mWorkspaceWidgetLayout.setPadding(20, 10, 20, 0); |
| |
| mMaxWidgetWidth = mWorkspaceWidgetLayout.estimateCellWidth(sMaxWidgetCellHSpan); |
| } |
| |
| private void syncWidgetPages() { |
| if (mWidgetList == null) return; |
| |
| // we need to repopulate with the LinearLayout layout for the widget pages |
| removeAllViews(); |
| int numPages = relayoutWidgets(); |
| for (int i = 0; i < numPages; ++i) { |
| LinearLayout layout = new PagedViewExtendedLayout(getContext()); |
| layout.setGravity(Gravity.CENTER_HORIZONTAL); |
| layout.setPadding(mPageLayoutPaddingLeft, mPageLayoutPaddingTop, |
| mPageLayoutPaddingRight, mPageLayoutPaddingBottom); |
| |
| addView(layout, new LinearLayout.LayoutParams( |
| LinearLayout.LayoutParams.WRAP_CONTENT, |
| LinearLayout.LayoutParams.MATCH_PARENT)); |
| } |
| } |
| |
| private void syncWidgetPageItems(int page) { |
| // ensure that we have the right number of items on the pages |
| LinearLayout layout = (LinearLayout) getChildAt(page); |
| final ArrayList<AppWidgetProviderInfo> list = mWidgetPages.get(page); |
| final int count = list.size(); |
| final int numPages = getPageCount(); |
| layout.removeAllViews(); |
| for (int i = 0; i < count; ++i) { |
| final AppWidgetProviderInfo info = (AppWidgetProviderInfo) list.get(i); |
| final PendingAddWidgetInfo createItemInfo = new PendingAddWidgetInfo(info, null, null); |
| final int[] cellSpans = CellLayout.rectToCell(getResources(), info.minWidth, |
| info.minHeight, null); |
| final FastBitmapDrawable icon = getWidgetPreview(info); |
| |
| PagedViewWidget l = (PagedViewWidget) mInflater.inflate( |
| R.layout.customize_paged_view_widget, layout, false); |
| l.applyFromAppWidgetProviderInfo(info, icon, mMaxWidgetWidth, cellSpans, |
| mPageViewIconCache, (numPages > 1)); |
| l.setTag(createItemInfo); |
| l.setOnClickListener(this); |
| l.setOnTouchListener(this); |
| l.setOnLongClickListener(this); |
| |
| layout.addView(l); |
| } |
| } |
| |
| 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) / |
| mMaxWallpaperCellHSpan); |
| for (int i = 0; i < numPages; ++i) { |
| LinearLayout layout = new PagedViewExtendedLayout(getContext()); |
| layout.setGravity(Gravity.CENTER_HORIZONTAL); |
| layout.setPadding(mPageLayoutPaddingLeft, mPageLayoutPaddingTop, |
| mPageLayoutPaddingRight, mPageLayoutPaddingBottom); |
| |
| addView(layout, new LinearLayout.LayoutParams( |
| LinearLayout.LayoutParams.WRAP_CONTENT, |
| 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(); |
| final int numPages = getPageCount(); |
| final int numItemsPerPage = mMaxWallpaperCellHSpan / mWallpaperCellHSpan; |
| final int startIndex = page * numItemsPerPage; |
| final int endIndex = Math.min(count, startIndex + numItemsPerPage); |
| for (int i = startIndex; i < endIndex; ++i) { |
| final ResolveInfo info = mWallpaperList.get(i); |
| final FastBitmapDrawable icon = getWallpaperPreview(info); |
| |
| PagedViewWidget l = (PagedViewWidget) mInflater.inflate( |
| R.layout.customize_paged_view_wallpaper, layout, false); |
| l.applyFromWallpaperInfo(info, mPackageManager, icon, mMaxWidgetWidth, |
| mPageViewIconCache, (numPages > 1)); |
| l.setTag(info); |
| l.setOnClickListener(this); |
| |
| layout.addView(l); |
| } |
| } |
| |
| private void syncListPages(List<ResolveInfo> list) { |
| // we need to repopulate with PagedViewCellLayouts |
| removeAllViews(); |
| |
| // ensure that we have the right number of pages |
| int numPages = (int) Math.ceil((float) list.size() / (mCellCountX * mCellCountY)); |
| for (int i = 0; i < numPages; ++i) { |
| PagedViewCellLayout layout = new PagedViewCellLayout(getContext()); |
| setupPage(layout); |
| addView(layout); |
| } |
| } |
| |
| private void syncListPageItems(int page, List<ResolveInfo> list) { |
| // ensure that we have the right number of items on the pages |
| final int numPages = getPageCount(); |
| final int numCells = mCellCountX * mCellCountY; |
| final int startIndex = page * numCells; |
| final int endIndex = Math.min(startIndex + numCells, list.size()); |
| final PagedViewCellLayout layout = (PagedViewCellLayout) getChildAt(page); |
| // TODO: we can optimize by just re-applying to existing views |
| layout.removeAllViewsOnPage(); |
| for (int i = startIndex; i < endIndex; ++i) { |
| ResolveInfo info = list.get(i); |
| PendingAddItemInfo createItemInfo = new PendingAddItemInfo(); |
| |
| PagedViewIcon icon = (PagedViewIcon) mInflater.inflate( |
| R.layout.customize_paged_view_item, layout, false); |
| icon.applyFromResolveInfo(info, mPackageManager, mPageViewIconCache, |
| ((LauncherApplication) mLauncher.getApplication()).getIconCache(), |
| (numPages > 1)); |
| switch (mCustomizationType) { |
| case WallpaperCustomization: |
| icon.setOnClickListener(this); |
| break; |
| case ShortcutCustomization: |
| createItemInfo.itemType = LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT; |
| createItemInfo.componentName = new ComponentName(info.activityInfo.packageName, |
| info.activityInfo.name); |
| icon.setTag(createItemInfo); |
| icon.setOnClickListener(this); |
| icon.setOnTouchListener(this); |
| icon.setOnLongClickListener(this); |
| break; |
| default: |
| break; |
| } |
| |
| final int index = i - startIndex; |
| final int x = index % mCellCountX; |
| final int y = index / mCellCountX; |
| setupPage(layout); |
| layout.addViewToCellLayout(icon, -1, i, new PagedViewCellLayout.LayoutParams(x,y, 1,1)); |
| } |
| } |
| |
| private void syncAppPages() { |
| if (mApps == null) return; |
| |
| // We need to repopulate with PagedViewCellLayouts |
| removeAllViews(); |
| |
| // Ensure that we have the right number of pages |
| int numPages = (int) Math.ceil((float) mApps.size() / (mCellCountX * mCellCountY)); |
| for (int i = 0; i < numPages; ++i) { |
| PagedViewCellLayout layout = new PagedViewCellLayout(getContext()); |
| setupPage(layout); |
| addView(layout); |
| } |
| } |
| |
| private void syncAppPageItems(int page) { |
| if (mApps == null) return; |
| |
| // ensure that we have the right number of items on the pages |
| final int numPages = getPageCount(); |
| final int numCells = mCellCountX * mCellCountY; |
| final int startIndex = page * numCells; |
| final int endIndex = Math.min(startIndex + numCells, mApps.size()); |
| final PagedViewCellLayout layout = (PagedViewCellLayout) getChildAt(page); |
| // TODO: we can optimize by just re-applying to existing views |
| layout.removeAllViewsOnPage(); |
| for (int i = startIndex; i < endIndex; ++i) { |
| final ApplicationInfo info = mApps.get(i); |
| PagedViewIcon icon = (PagedViewIcon) mInflater.inflate( |
| R.layout.all_apps_paged_view_application, layout, false); |
| icon.applyFromApplicationInfo(info, mPageViewIconCache, true, (numPages > 1)); |
| icon.setOnClickListener(this); |
| icon.setOnTouchListener(this); |
| icon.setOnLongClickListener(this); |
| |
| final int index = i - startIndex; |
| final int x = index % mCellCountX; |
| final int y = index / mCellCountX; |
| setupPage(layout); |
| layout.addViewToCellLayout(icon, -1, i, new PagedViewCellLayout.LayoutParams(x,y, 1,1)); |
| } |
| } |
| |
| @Override |
| public void syncPages() { |
| boolean centerPagedViewCellLayouts = false; |
| switch (mCustomizationType) { |
| case WidgetCustomization: |
| syncWidgetPages(); |
| break; |
| case ShortcutCustomization: |
| syncListPages(mShortcutList); |
| centerPagedViewCellLayouts = true; |
| break; |
| case WallpaperCustomization: |
| syncWallpaperPages(); |
| break; |
| case ApplicationCustomization: |
| syncAppPages(); |
| centerPagedViewCellLayouts = false; |
| break; |
| default: |
| removeAllViews(); |
| setCurrentPage(0); |
| break; |
| } |
| |
| // only try and center the page if there is one page |
| final int childCount = getChildCount(); |
| if (centerPagedViewCellLayouts) { |
| if (childCount == 1) { |
| PagedViewCellLayout layout = (PagedViewCellLayout) getChildAt(0); |
| layout.enableCenteredContent(true); |
| } else { |
| for (int i = 0; i < childCount; ++i) { |
| PagedViewCellLayout layout = (PagedViewCellLayout) getChildAt(i); |
| layout.enableCenteredContent(false); |
| } |
| } |
| } |
| |
| // bound the current page |
| setCurrentPage(Math.max(0, Math.min(childCount - 1, getCurrentPage()))); |
| } |
| |
| @Override |
| public void syncPageItems(int page) { |
| switch (mCustomizationType) { |
| case WidgetCustomization: |
| syncWidgetPageItems(page); |
| break; |
| case ShortcutCustomization: |
| syncListPageItems(page, mShortcutList); |
| break; |
| case WallpaperCustomization: |
| syncWallpaperPageItems(page); |
| break; |
| case ApplicationCustomization: |
| syncAppPageItems(page); |
| break; |
| } |
| } |
| |
| @Override |
| protected int getAssociatedLowerPageBound(int page) { |
| return 0; |
| } |
| @Override |
| protected int getAssociatedUpperPageBound(int page) { |
| return getChildCount(); |
| } |
| |
| @Override |
| public boolean onPrepareActionMode(ActionMode mode, Menu menu) { |
| mode.setTitle(mChoiceModeTitleText); |
| return true; |
| } |
| |
| @Override |
| public boolean onCreateActionMode(ActionMode mode, Menu menu) { |
| return true; |
| } |
| |
| @Override |
| public void onDestroyActionMode(ActionMode mode) { |
| endChoiceMode(); |
| } |
| |
| @Override |
| public boolean onActionItemClicked(ActionMode mode, MenuItem item) { |
| return false; |
| } |
| } |