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Diffstat (limited to 'src/com/android/launcher3/PagedViewIcon.java')
-rw-r--r-- | src/com/android/launcher3/PagedViewIcon.java | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/src/com/android/launcher3/PagedViewIcon.java b/src/com/android/launcher3/PagedViewIcon.java new file mode 100644 index 000000000..660251e31 --- /dev/null +++ b/src/com/android/launcher3/PagedViewIcon.java @@ -0,0 +1,134 @@ +/* + * 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.launcher3; + +import android.content.Context; +import android.graphics.Bitmap; +import android.graphics.Canvas; +import android.graphics.Region; +import android.graphics.drawable.Drawable; +import android.util.AttributeSet; +import android.util.TypedValue; +import android.widget.TextView; + +/** + * An icon on a PagedView, specifically for items in the launcher's paged view (with compound + * drawables on the top). + */ +public class PagedViewIcon extends TextView { + /** A simple callback interface to allow a PagedViewIcon to notify when it has been pressed */ + public static interface PressedCallback { + void iconPressed(PagedViewIcon icon); + } + + @SuppressWarnings("unused") + private static final String TAG = "PagedViewIcon"; + static final float PRESS_ALPHA = 0.4f; + + private PagedViewIcon.PressedCallback mPressedCallback; + private boolean mLockDrawableState = false; + + private Bitmap mIcon; + + public PagedViewIcon(Context context) { + this(context, null); + } + + public PagedViewIcon(Context context, AttributeSet attrs) { + this(context, attrs, 0); + } + + public PagedViewIcon(Context context, AttributeSet attrs, int defStyle) { + super(context, attrs, defStyle); + } + + public void onFinishInflate() { + super.onFinishInflate(); + + // Ensure we are using the right text size + LauncherAppState app = LauncherAppState.getInstance(); + DeviceProfile grid = app.getDynamicGrid().getDeviceProfile(); + setTextSize(TypedValue.COMPLEX_UNIT_PX, grid.allAppsIconTextSizePx); + } + + public void applyFromApplicationInfo(AppInfo info, boolean scaleUp, + PagedViewIcon.PressedCallback cb) { + LauncherAppState app = LauncherAppState.getInstance(); + DeviceProfile grid = app.getDynamicGrid().getDeviceProfile(); + + mIcon = info.iconBitmap; + mPressedCallback = cb; + Drawable icon = Utilities.createIconDrawable(mIcon); + icon.setBounds(0, 0, grid.allAppsIconSizePx, grid.allAppsIconSizePx); + setCompoundDrawables(null, icon, null, null); + setCompoundDrawablePadding(grid.iconDrawablePaddingPx); + setText(info.title); + setTag(info); + } + + public void lockDrawableState() { + mLockDrawableState = true; + } + + public void resetDrawableState() { + mLockDrawableState = false; + post(new Runnable() { + @Override + public void run() { + refreshDrawableState(); + } + }); + } + + protected void drawableStateChanged() { + super.drawableStateChanged(); + + // We keep in the pressed state until resetDrawableState() is called to reset the press + // feedback + if (isPressed()) { + setAlpha(PRESS_ALPHA); + if (mPressedCallback != null) { + mPressedCallback.iconPressed(this); + } + } else if (!mLockDrawableState) { + setAlpha(1f); + } + } + + @Override + public void draw(Canvas canvas) { + // If text is transparent, don't draw any shadow + if (getCurrentTextColor() == getResources().getColor(android.R.color.transparent)) { + getPaint().clearShadowLayer(); + super.draw(canvas); + return; + } + + // We enhance the shadow by drawing the shadow twice + getPaint().setShadowLayer(BubbleTextView.SHADOW_LARGE_RADIUS, 0.0f, + BubbleTextView.SHADOW_Y_OFFSET, BubbleTextView.SHADOW_LARGE_COLOUR); + super.draw(canvas); + canvas.save(Canvas.CLIP_SAVE_FLAG); + canvas.clipRect(getScrollX(), getScrollY() + getExtendedPaddingTop(), + getScrollX() + getWidth(), + getScrollY() + getHeight(), Region.Op.INTERSECT); + getPaint().setShadowLayer(BubbleTextView.SHADOW_SMALL_RADIUS, 0.0f, 0.0f, + BubbleTextView.SHADOW_SMALL_COLOUR); + super.draw(canvas); + canvas.restore(); + } +} |