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Merge "Adding initial background protection to AllApps/Customize drawer."

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This commit is contained in:
Winson Chung
2010-11-18 10:24:17 -08:00
committed by Android (Google) Code Review
parent cdbd1e7181 9171e6d8a2
commit ff8d83044c
1 changed files with 70 additions and 17 deletions
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87
src/com/android/launcher2/Workspace.java
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@@ -92,13 +92,22 @@ public class Workspace extends SmoothPagedView
private static final float EXTRA_SCALE_FACTOR_1 = 1.0f;
private static final float EXTRA_SCALE_FACTOR_2 = 1.10f;
private static final int BACKGROUND_FADE_OUT_DELAY = 300;
private static final int BACKGROUND_FADE_OUT_DURATION = 300;
private static final int BACKGROUND_FADE_IN_DURATION = 100;
private static final int CHILDREN_OUTLINE_FADE_OUT_DELAY = 300;
private static final int CHILDREN_OUTLINE_FADE_OUT_DURATION = 300;
private static final int CHILDREN_OUTLINE_FADE_IN_DURATION = 100;
// These animators are used to fade the background
private static final int BACKGROUND_FADE_OUT_DURATION = 450;
private static final int BACKGROUND_FADE_IN_DURATION = 350;
// These animators are used to fade the children's outlines
private ObjectAnimator mChildrenOutlineFadeInAnimation;
private ObjectAnimator mChildrenOutlineFadeOutAnimation;
private float mChildrenOutlineAlpha = 0;
// These properties refer to the background protection gradient used for AllApps and Customize
private ObjectAnimator mBackgroundFadeInAnimation;
private ObjectAnimator mBackgroundFadeOutAnimation;
private Drawable mBackground;
private float mBackgroundAlpha = 0;
private final WallpaperManager mWallpaperManager;
@@ -236,6 +245,9 @@ public class Workspace extends SmoothPagedView
mExternalDragOutlinePaint.setAntiAlias(true);
setWillNotDraw(false);
final Resources res = getResources();
mBackground = res.getDrawable(R.drawable.all_apps_bg_gradient);
mUnshrinkAnimationListener = new LauncherAnimatorListenerAdapter() {
@Override
public void onAnimationStart(Animator animation) {
@@ -539,33 +551,58 @@ public class Workspace extends SmoothPagedView
public void showOutlines() {
if (!mIsSmall && !mIsInUnshrinkAnimation) {
if (mBackgroundFadeOutAnimation != null) mBackgroundFadeOutAnimation.cancel();
if (mBackgroundFadeInAnimation != null) mBackgroundFadeInAnimation.cancel();
mBackgroundFadeInAnimation = ObjectAnimator.ofFloat(this, "backgroundAlpha", 1.0f);
mBackgroundFadeInAnimation.setDuration(BACKGROUND_FADE_IN_DURATION);
mBackgroundFadeInAnimation.start();
if (mChildrenOutlineFadeOutAnimation != null) mChildrenOutlineFadeOutAnimation.cancel();
if (mChildrenOutlineFadeInAnimation != null) mChildrenOutlineFadeInAnimation.cancel();
mChildrenOutlineFadeInAnimation = ObjectAnimator.ofFloat(this, "childrenOutlineAlpha", 1.0f);
mChildrenOutlineFadeInAnimation.setDuration(CHILDREN_OUTLINE_FADE_IN_DURATION);
mChildrenOutlineFadeInAnimation.start();
}
}
public void hideOutlines() {
if (!mIsSmall && !mIsInUnshrinkAnimation) {
if (mBackgroundFadeInAnimation != null) mBackgroundFadeInAnimation.cancel();
if (mBackgroundFadeOutAnimation != null) mBackgroundFadeOutAnimation.cancel();
mBackgroundFadeOutAnimation = ObjectAnimator.ofFloat(this, "backgroundAlpha", 0.0f);
mBackgroundFadeOutAnimation.setDuration(BACKGROUND_FADE_OUT_DURATION);
mBackgroundFadeOutAnimation.setStartDelay(BACKGROUND_FADE_OUT_DELAY);
mBackgroundFadeOutAnimation.start();
if (mChildrenOutlineFadeInAnimation != null) mChildrenOutlineFadeInAnimation.cancel();
if (mChildrenOutlineFadeOutAnimation != null) mChildrenOutlineFadeOutAnimation.cancel();
mChildrenOutlineFadeOutAnimation = ObjectAnimator.ofFloat(this, "childrenOutlineAlpha", 0.0f);
mChildrenOutlineFadeOutAnimation.setDuration(CHILDREN_OUTLINE_FADE_OUT_DURATION);
mChildrenOutlineFadeOutAnimation.setStartDelay(CHILDREN_OUTLINE_FADE_OUT_DELAY);
mChildrenOutlineFadeOutAnimation.start();
}
}
public void setBackgroundAlpha(float alpha) {
mBackgroundAlpha = alpha;
public void setChildrenOutlineAlpha(float alpha) {
mChildrenOutlineAlpha = alpha;
for (int i = 0; i < getChildCount(); i++) {
CellLayout cl = (CellLayout) getChildAt(i);
cl.setBackgroundAlpha(alpha);
}
}
public float getChildrenOutlineAlpha() {
return mChildrenOutlineAlpha;
}
public void showBackgroundGradient() {
if (mBackgroundFadeOutAnimation != null) mBackgroundFadeOutAnimation.cancel();
if (mBackgroundFadeInAnimation != null) mBackgroundFadeInAnimation.cancel();
mBackgroundFadeInAnimation = ObjectAnimator.ofFloat(this, "backgroundAlpha", 1.0f);
mBackgroundFadeInAnimation.setDuration(BACKGROUND_FADE_IN_DURATION);
mBackgroundFadeInAnimation.start();
}
public void hideBackgroundGradient() {
if (mBackgroundFadeInAnimation != null) mBackgroundFadeInAnimation.cancel();
if (mBackgroundFadeOutAnimation != null) mBackgroundFadeOutAnimation.cancel();
mBackgroundFadeOutAnimation = ObjectAnimator.ofFloat(this, "backgroundAlpha", 0.0f);
mBackgroundFadeOutAnimation.setDuration(BACKGROUND_FADE_OUT_DURATION);
mBackgroundFadeOutAnimation.start();
}
public void setBackgroundAlpha(float alpha) {
mBackgroundAlpha = alpha;
invalidate();
}
public float getBackgroundAlpha() {
return mBackgroundAlpha;
}
@@ -643,6 +680,18 @@ public class Workspace extends SmoothPagedView
}
}
@Override
protected void onDraw(Canvas canvas) {
// Draw the background gradient if necessary
if (mBackgroundAlpha > 0.0f) {
mBackground.setAlpha((int) (mBackgroundAlpha * 255));
mBackground.setBounds(mScrollX, 0, mScrollX + getMeasuredWidth(), getMeasuredHeight());
mBackground.draw(canvas);
}
super.onDraw(canvas);
}
@Override
protected void dispatchDraw(Canvas canvas) {
if (mIsSmall || mIsInUnshrinkAnimation) {
@@ -822,6 +871,8 @@ public class Workspace extends SmoothPagedView
// we use this to shrink the workspace for the all apps view and the customize view
private void shrink(ShrinkPosition shrinkPosition, boolean animated) {
showBackgroundGradient();
if (mFirstLayout) {
// (mFirstLayout == "first layout has not happened yet")
// if we get a call to shrink() as part of our initialization (for example, if
@@ -1103,6 +1154,8 @@ public class Workspace extends SmoothPagedView
}
void unshrink(boolean animated) {
hideBackgroundGradient();
if (mIsSmall) {
mIsSmall = false;
if (mAnimator != null) {