diff options
Diffstat (limited to 'src/com/android/launcher2/AllAppsPagedView.java')
| -rw-r--r-- | src/com/android/launcher2/AllAppsPagedView.java | 709 |
1 files changed, 0 insertions, 709 deletions
diff --git a/src/com/android/launcher2/AllAppsPagedView.java b/src/com/android/launcher2/AllAppsPagedView.java deleted file mode 100644 index b3136e620..000000000 --- a/src/com/android/launcher2/AllAppsPagedView.java +++ /dev/null @@ -1,709 +0,0 @@ -/* - * 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 android.content.ComponentName; -import android.content.Context; -import android.content.res.Resources; -import android.content.res.TypedArray; -import android.graphics.Bitmap; -import android.graphics.Canvas; -import android.graphics.Rect; -import android.graphics.drawable.Drawable; -import android.util.AttributeSet; -import android.view.LayoutInflater; -import android.view.View; -import android.view.animation.AnimationUtils; -import android.widget.Checkable; -import android.widget.TextView; - -import com.android.launcher.R; - -import java.util.ArrayList; -import java.util.Collections; -import java.util.HashSet; - -/** - * An implementation of PagedView that populates the pages of the workspace - * with all of the user's applications. - */ -public class AllAppsPagedView extends PagedViewWithDraggableItems implements AllAppsView, - View.OnClickListener, DragSource, DropTarget { - - private static final String TAG = "AllAppsPagedView"; - - private Launcher mLauncher; - private DragController mDragController; - - // preserve compatibility with 3D all apps: - // 0.0 -> hidden - // 1.0 -> shown and opaque - // intermediate values -> partially shown & partially opaque - private float mZoom; - - // set of all applications - private ArrayList<ApplicationInfo> mApps; - private ArrayList<ApplicationInfo> mFilteredApps; - - // the types of applications to filter - static final int ALL_APPS_FLAG = -1; - private int mAppFilter = ALL_APPS_FLAG; - - private final LayoutInflater mInflater; - private boolean mAllowHardwareLayerCreation; - - private int mPageContentWidth; - private boolean mHasMadeSuccessfulDrop; - - private int mLastMeasureWidth = -1; - private int mLastMeasureHeight = -1; - private boolean mWaitingToInitPages = true; - - private int mMaxCellCountY; - - public AllAppsPagedView(Context context) { - this(context, null); - } - - public AllAppsPagedView(Context context, AttributeSet attrs) { - this(context, attrs, 0); - } - - public AllAppsPagedView(Context context, AttributeSet attrs, int defStyle) { - super(context, attrs, defStyle); - TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.PagedView, defStyle, 0); - mInflater = LayoutInflater.from(context); - mApps = new ArrayList<ApplicationInfo>(); - mFilteredApps = new ArrayList<ApplicationInfo>(); - a.recycle(); - setSoundEffectsEnabled(false); - - final Resources r = context.getResources(); - setDragSlopeThreshold( - r.getInteger(R.integer.config_appsCustomizeDragSlopeThreshold) / 100.0f); - mMaxCellCountY = r.getInteger(R.integer.all_apps_view_maxCellCountY); - } - - @Override - protected void init() { - super.init(); - mCenterPagesVertically = false; - } - - @Override - protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { - final int width = MeasureSpec.getSize(widthMeasureSpec); - final int height = MeasureSpec.getSize(heightMeasureSpec); - - if (mLastMeasureWidth != width || mLastMeasureHeight != height) { - // Create a dummy page and set it up to find out the content width (used by our parent) - PagedViewCellLayout layout = new PagedViewCellLayout(getContext()); - setupPage(layout); - mPageContentWidth = layout.getContentWidth(); - - mCellCountX = determineCellCountX(width, layout); - mCellCountY = determineCellCountY(height, layout); - mLastMeasureWidth = width; - mLastMeasureHeight = height; - postInvalidatePageData(true); - } - super.onMeasure(widthMeasureSpec, heightMeasureSpec); - } - - @Override - protected void onLayout(boolean changed, int left, int top, int right, int bottom) { - if (mWaitingToInitPages) { - mWaitingToInitPages = false; - postInvalidatePageData(false); - } - super.onLayout(changed, left, top, right, bottom); - } - - private int determineCellCountX(int availableWidth, PagedViewCellLayout layout) { - int cellCountX = 0; - final int cellWidth = layout.getCellWidth(); - - // Subtract padding for current page and adjacent pages - availableWidth -= mPageLayoutPaddingLeft * 2 + mPageLayoutPaddingRight * 2; - - availableWidth -= cellWidth; // Assume at least one column - cellCountX = 1 + availableWidth / (cellWidth + mPageLayoutWidthGap); - availableWidth = availableWidth % (cellWidth + mPageLayoutWidthGap); - - // Ensures that we show at least 30% of the holo icons on each side - final int minLeftoverWidth = (int) (cellWidth * 0.6f); - - // Reserve room for the holo outlines - if (cellCountX <= 4) { - // When we're really tight on space, just pack the icons a bit closer together - final int missingWidth = minLeftoverWidth - availableWidth; - if (missingWidth > 0) { - mPageLayoutWidthGap -= Math.ceil(missingWidth * 1.0f / (cellCountX - 1)); - } - } else { - if (cellCountX >= 8) { - // Carve out a few extra columns for very large widths - cellCountX = (int) (cellCountX * 0.9f); - } else if (availableWidth < minLeftoverWidth) { - cellCountX -= 1; - } - } - return cellCountX; - } - - private int determineCellCountY(int availableHeight, PagedViewCellLayout layout) { - final int cellHeight = layout.getCellHeight(); - final int screenHeight = mLauncher.getResources().getDisplayMetrics().heightPixels; - - availableHeight -= mPageLayoutPaddingTop + mPageLayoutPaddingBottom; - availableHeight -= cellHeight; // Assume at least one row - Resources r = getContext().getResources(); - float scaleFactor = r.getInteger(R.integer.config_appsCustomizeZoomScaleFactor) / 100f; - availableHeight -= screenHeight * scaleFactor; - if (availableHeight > 0) { - return Math.min(mMaxCellCountY, - 1 + availableHeight / (cellHeight + mPageLayoutHeightGap)); - } - return 0; - } - - int getCellCountX() { - return mCellCountX; - } - - int getCellCountY() { - return mCellCountY; - } - - void allowHardwareLayerCreation() { - // This is called after the first time we launch into All Apps. Before that point, - // there's no need for hardware layers here since there's a hardware layer set on the - // parent, AllAppsTabbed, during the AllApps transition -- creating hardware layers here - // before the animation is done slows down the animation - if (mAllowHardwareLayerCreation) { - return; - } - mAllowHardwareLayerCreation = true; - int childCount = getChildCount(); - for (int i = 0; i < childCount; i++) { - PagedViewCellLayout page = (PagedViewCellLayout) getChildAt(i); - page.allowHardwareLayerCreation(); - } - } - - @Override - public void setup(Launcher launcher, DragController dragController) { - mLauncher = launcher; - mDragController = dragController; - } - - public void setAppFilter(int filterType) { - mAppFilter = filterType; - if (mApps != null) { - mFilteredApps = rebuildFilteredApps(mApps); - setCurrentPage(0); - invalidatePageData(); - } - } - - void resetSuccessfulDropFlag() { - mHasMadeSuccessfulDrop = false; - } - - @Override - public void zoom(float zoom, boolean animate) { - mZoom = zoom; - cancelLongPress(); - - if (isVisible()) { - if (animate) { - startAnimation(AnimationUtils.loadAnimation(getContext(), - R.anim.all_apps_2d_fade_in)); - } else { - onAnimationEnd(); - } - } else { - if (animate) { - startAnimation(AnimationUtils.loadAnimation(getContext(), - R.anim.all_apps_2d_fade_out)); - } else { - onAnimationEnd(); - } - } - } - - protected void onAnimationEnd() { - if (!isVisible()) { - mZoom = 0.0f; - - endChoiceMode(); - } else { - mZoom = 1.0f; - } - - if (mLauncher != null) - mLauncher.zoomed(mZoom); - } - - private int getChildIndexForGrandChild(View v) { - final int childCount = getChildCount(); - for (int i = 0; i < childCount; ++i) { - final Page layout = (Page) getChildAt(i); - if (layout.indexOfChildOnPage(v) > -1) { - return i; - } - } - return -1; - } - - @Override - public void onClick(View v) { - // if we are already in a choice mode, then just change the selection - if (v instanceof Checkable) { - if (!isChoiceMode(CHOICE_MODE_NONE)) { - Checkable c = (Checkable) v; - if (isChoiceMode(CHOICE_MODE_SINGLE)) { - // Uncheck all the other grandchildren, and toggle the clicked one - boolean wasChecked = c.isChecked(); - resetCheckedGrandchildren(); - c.setChecked(!wasChecked); - } else { - c.toggle(); - } - if (getCheckedGrandchildren().size() == 0) { - endChoiceMode(); - } - - return; - } - } - - // otherwise continue and launch the application - int childIndex = getChildIndexForGrandChild(v); - if (childIndex == getCurrentPage()) { - final ApplicationInfo app = (ApplicationInfo) v.getTag(); - - // animate some feedback to the click - animateClickFeedback(v, new Runnable() { - @Override - public void run() { - mLauncher.startActivitySafely(app.intent, app); - } - }); - - endChoiceMode(); - } - } - - private void setupDragMode(ApplicationInfo info) { - mLauncher.getWorkspace().shrink(Workspace.ShrinkState.BOTTOM_VISIBLE); - - // Only show the uninstall button if the app is uninstallable. - if ((info.flags & ApplicationInfo.DOWNLOADED_FLAG) != 0) { - DeleteZone allAppsDeleteZone = (DeleteZone) - mLauncher.findViewById(R.id.all_apps_delete_zone); - allAppsDeleteZone.setDragAndDropEnabled(true); - - if ((info.flags & ApplicationInfo.UPDATED_SYSTEM_APP_FLAG) != 0) { - allAppsDeleteZone.setText(R.string.delete_zone_label_all_apps_system_app); - } else { - allAppsDeleteZone.setText(R.string.delete_zone_label_all_apps); - } - } - - ApplicationInfoDropTarget allAppsInfoButton = - (ApplicationInfoDropTarget) mLauncher.findViewById(R.id.all_apps_info_target); - allAppsInfoButton.setDragAndDropEnabled(true); - } - - private void tearDownDragMode() { - post(new Runnable() { - // Once the drag operation has fully completed, hence the post, we want to disable the - // deleteZone and the appInfoButton in all apps, and re-enable the instance which - // live in the workspace - public void run() { - DeleteZone allAppsDeleteZone = - (DeleteZone) mLauncher.findViewById(R.id.all_apps_delete_zone); - // if onDestroy was called on Launcher, we might have already deleted the - // all apps delete zone / info button, so check if they are null - if (allAppsDeleteZone != null) allAppsDeleteZone.setDragAndDropEnabled(false); - - ApplicationInfoDropTarget allAppsInfoButton = - (ApplicationInfoDropTarget) mLauncher.findViewById(R.id.all_apps_info_target); - if (allAppsInfoButton != null) allAppsInfoButton.setDragAndDropEnabled(false); - } - }); - resetCheckedGrandchildren(); - mDragController.removeDropTarget(this); - } - - @Override - protected boolean beginDragging(View v) { - if (!v.isInTouchMode()) return false; - if (!super.beginDragging(v)) return false; - - ApplicationInfo app = (ApplicationInfo) v.getTag(); - app = new ApplicationInfo(app); - - // Start drag mode after the item is selected - setupDragMode(app); - - // get icon (top compound drawable, index is 1) - final TextView tv = (TextView) v; - final Drawable icon = tv.getCompoundDrawables()[1]; - Bitmap b = Bitmap.createBitmap(v.getWidth(), v.getHeight(), - Bitmap.Config.ARGB_8888); - Canvas c = new Canvas(b); - c.translate((v.getWidth() - icon.getIntrinsicWidth()) / 2, v.getPaddingTop()); - icon.draw(c); - - Rect dragRect = null; - if (v instanceof TextView) { - int iconSize = getResources().getDimensionPixelSize(R.dimen.app_icon_size); - int top = v.getPaddingTop(); - int left = (b.getWidth() - iconSize) / 2; - int right = left + iconSize; - int bottom = top + iconSize; - dragRect = new Rect(left, top, right, bottom); - } - - // 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 (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(); - } - - // Start the drag - mLauncher.lockScreenOrientation(); - mLauncher.getWorkspace().onDragStartedWithItemSpans(1, 1, b); - mDragController.startDrag(v, b, this, app, DragController.DRAG_ACTION_COPY, dragRect); - b.recycle(); - return true; - } - - @Override - public void onDragViewVisible() { - } - - @Override - public void onDropCompleted(View target, DragObject d, boolean success) { - // close the choice action mode if we have a proper drop - if (target != this) { - endChoiceMode(); - } - tearDownDragMode(); - mLauncher.getWorkspace().onDragStopped(success); - mLauncher.unlockScreenOrientation(); - - if (!success && !mHasMadeSuccessfulDrop) { - mLauncher.getWorkspace().shrink(Workspace.ShrinkState.BOTTOM_HIDDEN); - } else { - mHasMadeSuccessfulDrop |= success; - } - } - - int getPageContentWidth() { - return mPageContentWidth; - } - - @Override - public boolean isVisible() { - return mZoom > 0.001f; - } - - @Override - public boolean isAnimating() { - return (getAnimation() != null); - } - - private ArrayList<ApplicationInfo> rebuildFilteredApps(ArrayList<ApplicationInfo> apps) { - ArrayList<ApplicationInfo> filteredApps = new ArrayList<ApplicationInfo>(); - if (mAppFilter == ALL_APPS_FLAG) { - return apps; - } else { - final int length = apps.size(); - for (int i = 0; i < length; ++i) { - ApplicationInfo info = apps.get(i); - if ((info.flags & mAppFilter) > 0) { - filteredApps.add(info); - } - } - Collections.sort(filteredApps, LauncherModel.APP_INSTALL_TIME_COMPARATOR); - } - return filteredApps; - } - - @Override - public void setApps(ArrayList<ApplicationInfo> list) { - mApps = list; - Collections.sort(mApps, LauncherModel.APP_NAME_COMPARATOR); - mFilteredApps = rebuildFilteredApps(mApps); - invalidatePageData(); - } - - 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); - } else { - mApps.add(index, info); - } - } - mFilteredApps = rebuildFilteredApps(mApps); - } - @Override - public void addApps(ArrayList<ApplicationInfo> list) { - addAppsWithoutInvalidate(list); - invalidatePageData(); - } - - private void removeAppsWithoutInvalidate(ArrayList<ApplicationInfo> list) { - // End the choice mode if any of the items in the list that are being removed are - // currently selected - ArrayList<Checkable> checkedList = getCheckedGrandchildren(); - HashSet<ApplicationInfo> checkedAppInfos = new HashSet<ApplicationInfo>(); - for (Checkable checked : checkedList) { - PagedViewIcon icon = (PagedViewIcon) checked; - checkedAppInfos.add((ApplicationInfo) icon.getTag()); - } - for (ApplicationInfo info : list) { - if (checkedAppInfos.contains(info)) { - endChoiceMode(); - break; - } - } - - // 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); - } - } - mFilteredApps = rebuildFilteredApps(mApps); - } - - @Override - public void removeApps(ArrayList<ApplicationInfo> list) { - removeAppsWithoutInvalidate(list); - invalidatePageData(); - } - - @Override - public void updateApps(ArrayList<ApplicationInfo> list) { - removeAppsWithoutInvalidate(list); - addAppsWithoutInvalidate(list); - invalidatePageData(); - } - - private int findAppByComponent(ArrayList<ApplicationInfo> list, ApplicationInfo item) { - if (item != null && item.intent != null) { - 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; - } - - @Override - public void dumpState() { - ApplicationInfo.dumpApplicationInfoList(TAG, "mApps", mApps); - } - - @Override - public void surrender() { - // do nothing? - } - - public void reset() { - setCurrentPage(0); - invalidatePageData(); - } - - private void setupPage(PagedViewCellLayout layout) { - layout.setCellCount(mCellCountX, mCellCountY); - layout.setPadding(mPageLayoutPaddingLeft, mPageLayoutPaddingTop, mPageLayoutPaddingRight, - mPageLayoutPaddingBottom); - layout.setGap(mPageLayoutWidthGap, mPageLayoutHeightGap); - } - - @Override - protected void invalidatePageData() { - if (mWaitingToInitPages || mCellCountX <= 0 || mCellCountY <= 0) { - // We don't know our size yet, which means we haven't calculated cell count x/y; - // onMeasure will call us once we figure out our size - return; - } - super.invalidatePageData(); - } - - @Override - public void syncPages() { - /* - // ensure that we have the right number of pages (min of 1, since we have placeholders) - int numPages = Math.max(1, - (int) Math.ceil((float) mFilteredApps.size() / (mCellCountX * mCellCountY))); - int curNumPages = getChildCount(); - // remove any extra pages after the "last" page - int extraPageDiff = curNumPages - numPages; - for (int i = 0; i < extraPageDiff; ++i) { - removeViewAt(numPages); - } - // add any necessary pages - for (int i = curNumPages; i < numPages; ++i) { - PagedViewCellLayout layout = new PagedViewCellLayout(getContext()); - if (mAllowHardwareLayerCreation) { - layout.allowHardwareLayerCreation(); - } - setupPage(layout); - addView(layout); - } - - // bound the current page - setCurrentPage(Math.max(0, Math.min(numPages - 1, getCurrentPage()))); - */ - } - - @Override - public void syncPageItems(int page) { - /* - // Ensure that we have the right number of items on the pages - final int numPages = getPageCount(); - final int cellsPerPage = mCellCountX * mCellCountY; - final int startIndex = page * cellsPerPage; - final int endIndex = Math.min(startIndex + cellsPerPage, mFilteredApps.size()); - PagedViewCellLayout layout = (PagedViewCellLayout) getChildAt(page); - - if (!mFilteredApps.isEmpty()) { - int curNumPageItems = layout.getPageChildCount(); - int numPageItems = endIndex - startIndex; - boolean createHolographicOutlines = (numPages > 1); - - // If we were previously an empty page, then restart anew - boolean wasEmptyPage = false; - if (curNumPageItems == 1) { - View icon = layout.getChildOnPageAt(0); - if (icon.getTag() == null) { - wasEmptyPage = true; - } - } - - if (wasEmptyPage) { - // Remove all the previous items - curNumPageItems = 0; - layout.removeAllViewsOnPage(); - } else { - // Remove any extra items - int extraPageItemsDiff = curNumPageItems - numPageItems; - for (int i = 0; i < extraPageItemsDiff; ++i) { - layout.removeViewOnPageAt(numPageItems); - } - } - - // Add any necessary items - for (int i = curNumPageItems; i < numPageItems; ++i) { - TextView text = (TextView) mInflater.inflate( - R.layout.all_apps_paged_view_application, layout, false); - text.setOnClickListener(this); - text.setOnLongClickListener(this); - text.setOnTouchListener(this); - - layout.addViewToCellLayout(text, -1, i, - new PagedViewCellLayout.LayoutParams(0, 0, 1, 1)); - } - - // Actually reapply to the existing text views - for (int i = startIndex; i < endIndex; ++i) { - final int index = i - startIndex; - final ApplicationInfo info = mFilteredApps.get(i); - PagedViewIcon icon = (PagedViewIcon) layout.getChildOnPageAt(index); - icon.applyFromApplicationInfo( - info, null, true, createHolographicOutlines); - - PagedViewCellLayout.LayoutParams params = - (PagedViewCellLayout.LayoutParams) icon.getLayoutParams(); - params.cellX = index % mCellCountX; - params.cellY = index / mCellCountX; - } - - // We should try and sync all the holographic icons after adding/removing new items - layout.reloadHolographicIcons(createHolographicOutlines); - - // Default to left-aligned icons - layout.enableCenteredContent(false); - } else { - // There are no items, so show the user a small message - TextView icon = (TextView) mInflater.inflate( - R.layout.all_apps_no_items_placeholder, layout, false); - switch (mAppFilter) { - case ApplicationInfo.DOWNLOADED_FLAG: - icon.setText(mContext.getString(R.string.all_apps_no_downloads)); - break; - default: break; - } - - // Center-align the message - final boolean createHolographicOutlines = (numPages > 1); - layout.enableCenteredContent(true); - layout.removeAllViewsOnPage(); - layout.addViewToCellLayout(icon, -1, 0, - new PagedViewCellLayout.LayoutParams(0, 0, 4, 1)); - } - layout.createHardwareLayers(); - */ - } - - /* - * We don't actually use AllAppsPagedView as a drop target... it's only used to intercept a drop - * to the workspace. - */ - public boolean acceptDrop(DragObject d) { - return false; - } - public DropTarget getDropTargetDelegate(DragObject d) { - return null; - } - public void onDragEnter(DragObject d) {} - public void onDragExit(DragObject d) {} - public void onDragOver(DragObject d) {} - public void onDrop(DragObject d) {} - - public boolean isDropEnabled() { - return true; - } -} |