diff options
Diffstat (limited to 'src/com/android/launcher2/Workspace.java')
| -rw-r--r-- | src/com/android/launcher2/Workspace.java | 126 |
1 files changed, 121 insertions, 5 deletions
diff --git a/src/com/android/launcher2/Workspace.java b/src/com/android/launcher2/Workspace.java index ce613f135..07faed101 100644 --- a/src/com/android/launcher2/Workspace.java +++ b/src/com/android/launcher2/Workspace.java @@ -16,7 +16,8 @@ package com.android.launcher2; -import com.android.launcher.R; +import java.util.ArrayList; +import java.util.HashSet; import android.animation.Animator; import android.animation.Animator.AnimatorListener; @@ -27,6 +28,8 @@ import android.animation.PropertyValuesHolder; import android.app.WallpaperManager; import android.appwidget.AppWidgetManager; import android.appwidget.AppWidgetProviderInfo; +import android.content.ClipData; +import android.content.ClipDescription; import android.content.ComponentName; import android.content.Context; import android.content.Intent; @@ -36,8 +39,11 @@ import android.content.res.Resources; import android.content.res.TypedArray; import android.graphics.Bitmap; import android.graphics.Canvas; +import android.graphics.Color; import android.graphics.Matrix; +import android.graphics.Paint; import android.graphics.Rect; +import android.graphics.RectF; import android.graphics.Region.Op; import android.graphics.drawable.Drawable; import android.net.Uri; @@ -45,12 +51,13 @@ import android.os.IBinder; import android.os.Parcelable; import android.util.AttributeSet; import android.util.Log; +import android.view.DragEvent; import android.view.MotionEvent; import android.view.View; import android.widget.TextView; +import android.widget.Toast; -import java.util.ArrayList; -import java.util.HashSet; +import com.android.launcher.R; /** * The workspace is a wide area with a wallpaper and a finite number of pages. @@ -144,6 +151,9 @@ public class Workspace extends SmoothPagedView private final Rect mTempRect = new Rect(); private final int[] mTempXY = new int[2]; + // Paint used to draw external drop outline + private final Paint mExternalDragOutlinePaint = new Paint(); + /** * Used to inflate the Workspace from XML. * @@ -193,6 +203,7 @@ public class Workspace extends SmoothPagedView Launcher.setScreen(mCurrentPage); LauncherApplication app = (LauncherApplication)context.getApplicationContext(); mIconCache = app.getIconCache(); + mExternalDragOutlinePaint.setAntiAlias(true); mUnshrinkAnimationListener = new AnimatorListenerAdapter() { public void onAnimationStart(Animator animation) { @@ -984,6 +995,29 @@ public class Workspace extends SmoothPagedView } /** + * Creates a drag outline to represent a drop (that we don't have the actual information for + * yet). May be changed in the future to alter the drop outline slightly depending on the + * clip description mime data. + */ + private Bitmap createExternalDragOutline(Canvas canvas, int padding) { + Resources r = getResources(); + final int outlineColor = r.getColor(R.color.drag_outline_color); + final int iconWidth = r.getDimensionPixelSize(R.dimen.workspace_cell_width); + final int iconHeight = r.getDimensionPixelSize(R.dimen.workspace_cell_height); + final int rectRadius = r.getDimensionPixelSize(R.dimen.external_drop_icon_rect_radius); + final int inset = (int) (Math.min(iconWidth, iconHeight) * 0.2f); + final Bitmap b = Bitmap.createBitmap( + iconWidth + padding, iconHeight + padding, Bitmap.Config.ARGB_8888); + + canvas.setBitmap(b); + canvas.drawRoundRect(new RectF(inset, inset, iconWidth - inset, iconHeight - inset), + rectRadius, rectRadius, mExternalDragOutlinePaint); + mOutlineHelper.applyExpensiveOuterOutline(b, canvas, outlineColor, true); + + return b; + } + + /** * Returns a new bitmap to show when the given View is being dragged around. * Responsibility for the bitmap is transferred to the caller. */ @@ -1136,7 +1170,7 @@ public class Workspace extends SmoothPagedView if (!mIsSmall) { mDragTargetLayout = getCurrentDropLayout(); - mDragTargetLayout.onDragEnter(dragView); + mDragTargetLayout.onDragEnter(); showOutlines(); } } @@ -1182,6 +1216,88 @@ public class Workspace extends SmoothPagedView return null; } + /** + * Global drag and drop handler + */ + @Override + public boolean onDragEvent(DragEvent event) { + final CellLayout layout = (CellLayout) getChildAt(mCurrentPage); + final int[] pos = new int[2]; + layout.getLocationOnScreen(pos); + // We need to offset the drag coordinates to layout coordinate space + final int x = (int) event.getX() - pos[0]; + final int y = (int) event.getY() - pos[1]; + + switch (event.getAction()) { + case DragEvent.ACTION_DRAG_STARTED: + // Check if we have enough space on this screen to add a new shortcut + if (!layout.findCellForSpan(pos, 1, 1)) { + Toast.makeText(mContext, mContext.getString(R.string.out_of_space), + Toast.LENGTH_SHORT).show(); + return false; + } + + ClipDescription desc = event.getClipDescription(); + if (desc.filterMimeTypes(ClipDescription.MIMETYPE_TEXT_INTENT) != null) { + // Create the drag outline + // We need to add extra padding to the bitmap to make room for the glow effect + final Canvas canvas = new Canvas(); + final int bitmapPadding = HolographicOutlineHelper.OUTER_BLUR_RADIUS; + mDragOutline = createExternalDragOutline(canvas, bitmapPadding); + + // Show the current page outlines to indicate that we can accept this drop + showOutlines(); + layout.setHover(true); + layout.onDragEnter(); + layout.visualizeDropLocation(null, mDragOutline, x, y, 1, 1); + + return true; + } + break; + case DragEvent.ACTION_DRAG_LOCATION: + // Visualize the drop location + layout.visualizeDropLocation(null, mDragOutline, x, y, 1, 1); + return true; + case DragEvent.ACTION_DROP: + // Check if we have enough space on this screen to add a new shortcut + if (!layout.findCellForSpan(pos, 1, 1)) { + Toast.makeText(mContext, mContext.getString(R.string.out_of_space), + Toast.LENGTH_SHORT).show(); + return false; + } + + // Try and add any shortcuts + int newDropCount = 0; + final LauncherModel model = mLauncher.getModel(); + final ClipData data = event.getClipData(); + final int itemCount = data.getItemCount(); + for (int i = 0; i < itemCount; ++i) { + final Intent intent = data.getItem(i).getIntent(); + if (intent != null && model.validateShortcutIntent(intent)) { + ShortcutInfo info = model.infoFromShortcutIntent(mContext, intent, data. + getIcon()); + onDropExternal(x, y, info, layout); + newDropCount++; + } + } + + // Show error message if we couldn't accept any of the items + if (newDropCount <= 0) { + Toast.makeText(mContext, "Only Shortcut Intents accepted.", + Toast.LENGTH_SHORT).show(); + } + + return true; + case DragEvent.ACTION_DRAG_ENDED: + // Hide the page outlines after the drop + layout.setHover(false); + layout.onDragExit(); + hideOutlines(); + return true; + } + return super.onDragEvent(event); + } + /* * * Convert the 2D coordinate xy from the parent View's coordinate space to this CellLayout's @@ -1382,7 +1498,7 @@ public class Workspace extends SmoothPagedView if (mDragTargetLayout != null) { mDragTargetLayout.onDragExit(); } - layout.onDragEnter(dragView); + layout.onDragEnter(); mDragTargetLayout = layout; } |