Rename com.android.launcher2 to com.cyanogenmod.trebuchet

Change-Id: Iadff7b73615fcb7d09922db29b771393f4d0d6e6

1 files changed, 234 insertions, 0 deletions

diff --git a/src/com/cyanogenmod/trebuchet/DeleteDropTarget.java b/src/com/cyanogenmod/trebuchet/DeleteDropTarget.java
new file mode 100644
index 000000000..82fccb791
--- /dev/null
+++ b/src/com/cyanogenmod/trebuchet/DeleteDropTarget.java
@@ -0,0 +1,234 @@
+/*
+ * Copyright (C) 2011 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.cyanogenmod.trebuchet;
+
+import android.content.Context;
+import android.content.res.ColorStateList;
+import android.content.res.Configuration;
+import android.content.res.Resources;
+import android.graphics.PorterDuff;
+import android.graphics.PorterDuffColorFilter;
+import android.graphics.Rect;
+import android.graphics.drawable.TransitionDrawable;
+import android.util.AttributeSet;
+import android.view.View;
+import android.view.ViewGroup;
+import android.view.animation.DecelerateInterpolator;
+
+import com.cyanogenmod.trebuchet.R;
+
+public class DeleteDropTarget extends ButtonDropTarget {
+
+    private static int DELETE_ANIMATION_DURATION = 250;
+    private ColorStateList mOriginalTextColor;
+    private int mHoverColor = 0xFFFF0000;
+    private TransitionDrawable mUninstallDrawable;
+    private TransitionDrawable mRemoveDrawable;
+    private TransitionDrawable mCurrentDrawable;
+
+    public DeleteDropTarget(Context context, AttributeSet attrs) {
+        this(context, attrs, 0);
+    }
+
+    public DeleteDropTarget(Context context, AttributeSet attrs, int defStyle) {
+        super(context, attrs, defStyle);
+    }
+
+    @Override
+    protected void onFinishInflate() {
+        super.onFinishInflate();
+
+        // Get the drawable
+        mOriginalTextColor = getTextColors();
+
+        // Get the hover color
+        Resources r = getResources();
+        mHoverColor = r.getColor(R.color.delete_target_hover_tint);
+        mHoverPaint.setColorFilter(new PorterDuffColorFilter(
+                mHoverColor, PorterDuff.Mode.SRC_ATOP));
+        mUninstallDrawable = (TransitionDrawable) 
+                r.getDrawable(R.drawable.uninstall_target_selector);
+        mRemoveDrawable = (TransitionDrawable) r.getDrawable(R.drawable.remove_target_selector);
+
+        mRemoveDrawable.setCrossFadeEnabled(true);
+        mUninstallDrawable.setCrossFadeEnabled(true);
+
+        // The current drawable is set to either the remove drawable or the uninstall drawable 
+        // and is initially set to the remove drawable, as set in the layout xml.
+        mCurrentDrawable = (TransitionDrawable) getCompoundDrawables()[0];
+
+        // Remove the text in the Phone UI in landscape
+        int orientation = getResources().getConfiguration().orientation;
+        if (orientation == Configuration.ORIENTATION_LANDSCAPE) {
+            if (!LauncherApplication.isScreenLarge()) {
+                setText("");
+            }
+        }
+    }
+
+    private boolean isAllAppsApplication(DragSource source, Object info) {
+        return (source instanceof AppsCustomizePagedView) && (info instanceof ApplicationInfo);
+    }
+    private boolean isAllAppsWidget(DragSource source, Object info) {
+        return (source instanceof AppsCustomizePagedView) && (info instanceof PendingAddWidgetInfo);
+    }
+    private boolean isDragSourceWorkspaceOrFolder(DragObject d) {
+        return (d.dragSource instanceof Workspace) || (d.dragSource instanceof Folder);
+    }
+    private boolean isWorkspaceOrFolderApplication(DragObject d) {
+        return isDragSourceWorkspaceOrFolder(d) && (d.dragInfo instanceof ShortcutInfo);
+    }
+    private boolean isWorkspaceOrFolderWidget(DragObject d) {
+        return isDragSourceWorkspaceOrFolder(d) && (d.dragInfo instanceof LauncherAppWidgetInfo);
+    }
+    private boolean isWorkspaceFolder(DragObject d) {
+        return (d.dragSource instanceof Workspace) && (d.dragInfo instanceof FolderInfo);
+    }
+
+    @Override
+    public boolean acceptDrop(DragObject d) {
+        // We can remove everything including App shortcuts, folders, widgets, etc.
+        return true;
+    }
+
+    @Override
+    public void onDragStart(DragSource source, Object info, int dragAction) {
+        boolean isVisible = true;
+        boolean isUninstall = false;
+
+        // If we are dragging a widget from AppsCustomize, hide the delete target
+        if (isAllAppsWidget(source, info)) {
+            isVisible = false;
+        }
+
+        // If we are dragging an application from AppsCustomize, only show the control if we can
+        // delete the app (it was downloaded), and rename the string to "uninstall" in such a case
+        if (isAllAppsApplication(source, info)) {
+            ApplicationInfo appInfo = (ApplicationInfo) info;
+            if ((appInfo.flags & ApplicationInfo.DOWNLOADED_FLAG) != 0) {
+                isUninstall = true;
+            } else {
+                isVisible = false;
+            }
+        }
+
+        if (isUninstall) {
+            setCompoundDrawablesWithIntrinsicBounds(mUninstallDrawable, null, null, null);
+        } else {
+            setCompoundDrawablesWithIntrinsicBounds(mRemoveDrawable, null, null, null);
+        }
+        mCurrentDrawable = (TransitionDrawable) getCompoundDrawables()[0];
+
+        mActive = isVisible;
+        mCurrentDrawable.resetTransition();
+        setTextColor(mOriginalTextColor);
+        ((ViewGroup) getParent()).setVisibility(isVisible ? View.VISIBLE : View.GONE);
+        if (getText().length() > 0) {
+            setText(isUninstall ? R.string.delete_target_uninstall_label
+                : R.string.delete_target_label);
+        }
+    }
+
+    @Override
+    public void onDragEnd() {
+        super.onDragEnd();
+        mActive = false;
+    }
+
+    public void onDragEnter(DragObject d) {
+        super.onDragEnter(d);
+
+        mCurrentDrawable.startTransition(mTransitionDuration);
+        setTextColor(mHoverColor);
+    }
+
+    public void onDragExit(DragObject d) {
+        super.onDragExit(d);
+
+        if (!d.dragComplete) {
+            mCurrentDrawable.resetTransition();
+            setTextColor(mOriginalTextColor);
+        }
+    }
+
+    private void animateToTrashAndCompleteDrop(final DragObject d) {
+        DragLayer dragLayer = mLauncher.getDragLayer();
+        Rect from = new Rect();
+        Rect to = new Rect();
+        dragLayer.getViewRectRelativeToSelf(d.dragView, from);
+        dragLayer.getViewRectRelativeToSelf(this, to);
+
+        int width = mCurrentDrawable.getIntrinsicWidth();
+        int height = mCurrentDrawable.getIntrinsicHeight();
+        to.set(to.left + getPaddingLeft(), to.top + getPaddingTop(),
+                to.left + getPaddingLeft() + width, to.bottom);
+
+        // Center the destination rect about the trash icon
+        int xOffset = (int) -(d.dragView.getMeasuredWidth() - width) / 2;
+        int yOffset = (int) -(d.dragView.getMeasuredHeight() - height) / 2;
+        to.offset(xOffset, yOffset);
+
+        mSearchDropTargetBar.deferOnDragEnd();
+        Runnable onAnimationEndRunnable = new Runnable() {
+            @Override
+            public void run() {
+                mSearchDropTargetBar.onDragEnd();
+                mLauncher.exitSpringLoadedDragMode();
+                completeDrop(d);
+            }
+        };
+        dragLayer.animateView(d.dragView, from, to, 0.1f, 0.1f,
+                DELETE_ANIMATION_DURATION, new DecelerateInterpolator(2),
+                new DecelerateInterpolator(1.5f), onAnimationEndRunnable, false);
+    }
+
+    private void completeDrop(DragObject d) {
+        ItemInfo item = (ItemInfo) d.dragInfo;
+
+        if (isAllAppsApplication(d.dragSource, item)) {
+            // Uninstall the application if it is being dragged from AppsCustomize
+            mLauncher.startApplicationUninstallActivity((ApplicationInfo) item);
+        } else if (isWorkspaceOrFolderApplication(d)) {
+            LauncherModel.deleteItemFromDatabase(mLauncher, item);
+        } else if (isWorkspaceFolder(d)) {
+            // Remove the folder from the workspace and delete the contents from launcher model
+            FolderInfo folderInfo = (FolderInfo) item;
+            mLauncher.removeFolder(folderInfo);
+            LauncherModel.deleteFolderContentsFromDatabase(mLauncher, folderInfo);
+        } else if (isWorkspaceOrFolderWidget(d)) {
+            // Remove the widget from the workspace
+            mLauncher.removeAppWidget((LauncherAppWidgetInfo) item);
+            LauncherModel.deleteItemFromDatabase(mLauncher, item);
+
+            final LauncherAppWidgetInfo launcherAppWidgetInfo = (LauncherAppWidgetInfo) item;
+            final LauncherAppWidgetHost appWidgetHost = mLauncher.getAppWidgetHost();
+            if (appWidgetHost != null) {
+                // Deleting an app widget ID is a void call but writes to disk before returning
+                // to the caller...
+                new Thread("deleteAppWidgetId") {
+                    public void run() {
+                        appWidgetHost.deleteAppWidgetId(launcherAppWidgetInfo.appWidgetId);
+                    }
+                }.start();
+            }
+        }
+    }
+
+    public void onDrop(DragObject d) {
+        animateToTrashAndCompleteDrop(d);
+    }
+}