diff options
Diffstat (limited to 'src/com/android/launcher3/SearchDropTargetBar.java')
| -rw-r--r-- | src/com/android/launcher3/SearchDropTargetBar.java | 269 |
1 files changed, 141 insertions, 128 deletions
diff --git a/src/com/android/launcher3/SearchDropTargetBar.java b/src/com/android/launcher3/SearchDropTargetBar.java index 99c2e0859..772a334b9 100644 --- a/src/com/android/launcher3/SearchDropTargetBar.java +++ b/src/com/android/launcher3/SearchDropTargetBar.java @@ -18,38 +18,62 @@ package com.android.launcher3; import android.animation.Animator; import android.animation.AnimatorListenerAdapter; -import android.animation.ObjectAnimator; -import android.animation.ValueAnimator; import android.content.Context; import android.graphics.Rect; import android.util.AttributeSet; import android.view.View; +import android.view.accessibility.AccessibilityManager; import android.view.animation.AccelerateInterpolator; import android.widget.FrameLayout; +import com.android.launcher3.util.Thunk; + /* * Ths bar will manage the transition between the QSB search bar and the delete drop * targets so that each of the individual IconDropTargets don't have to. */ public class SearchDropTargetBar extends FrameLayout implements DragController.DragListener { - private static final int sTransitionInDuration = 200; - private static final int sTransitionOutDuration = 175; + /** The different states that the search bar space can be in. */ + public enum State { + INVISIBLE (0f, 0f), + SEARCH_BAR (1f, 0f), + DROP_TARGET (0f, 1f); + + private final float mSearchBarAlpha; + private final float mDropTargetBarAlpha; + + State(float sbAlpha, float dtbAlpha) { + mSearchBarAlpha = sbAlpha; + mDropTargetBarAlpha = dtbAlpha; + } + + float getSearchBarAlpha() { + return mSearchBarAlpha; + } + + float getDropTargetBarAlpha() { + return mDropTargetBarAlpha; + } + } + + private static int DEFAULT_DRAG_FADE_DURATION = 175; - private ObjectAnimator mDropTargetBarAnim; - private ValueAnimator mQSBSearchBarAnim; + private LauncherViewPropertyAnimator mDropTargetBarAnimator; + private LauncherViewPropertyAnimator mQSBSearchBarAnimator; private static final AccelerateInterpolator sAccelerateInterpolator = new AccelerateInterpolator(); - private boolean mIsSearchBarHidden; - private View mQSBSearchBar; - private View mDropTargetBar; - private ButtonDropTarget mInfoDropTarget; - private ButtonDropTarget mDeleteDropTarget; - private int mBarHeight; + private State mState = State.SEARCH_BAR; + @Thunk View mQSB; + @Thunk View mDropTargetBar; private boolean mDeferOnDragEnd = false; + @Thunk boolean mAccessibilityEnabled = false; - private boolean mEnableDropDownDropTargets; + // Drop targets + private ButtonDropTarget mInfoDropTarget; + private ButtonDropTarget mDeleteDropTarget; + private ButtonDropTarget mUninstallDropTarget; public SearchDropTargetBar(Context context, AttributeSet attrs) { this(context, attrs, 0); @@ -61,51 +85,19 @@ public class SearchDropTargetBar extends FrameLayout implements DragController.D public void setup(Launcher launcher, DragController dragController) { dragController.addDragListener(this); + dragController.setFlingToDeleteDropTarget(mDeleteDropTarget); + dragController.addDragListener(mInfoDropTarget); dragController.addDragListener(mDeleteDropTarget); + dragController.addDragListener(mUninstallDropTarget); + dragController.addDropTarget(mInfoDropTarget); dragController.addDropTarget(mDeleteDropTarget); - dragController.setFlingToDeleteDropTarget(mDeleteDropTarget); + dragController.addDropTarget(mUninstallDropTarget); + mInfoDropTarget.setLauncher(launcher); mDeleteDropTarget.setLauncher(launcher); - } - - public void setQsbSearchBar(View qsb) { - mQSBSearchBar = qsb; - if (mQSBSearchBar != null) { - if (mEnableDropDownDropTargets) { - mQSBSearchBarAnim = LauncherAnimUtils.ofFloat(mQSBSearchBar, "translationY", 0, - -mBarHeight); - } else { - mQSBSearchBarAnim = LauncherAnimUtils.ofFloat(mQSBSearchBar, "alpha", 1f, 0f); - } - setupAnimation(mQSBSearchBarAnim, mQSBSearchBar); - } else { - // Create a no-op animation of the search bar is null - mQSBSearchBarAnim = ValueAnimator.ofFloat(0, 0); - mQSBSearchBarAnim.setDuration(sTransitionInDuration); - } - } - - private void prepareStartAnimation(View v) { - // Enable the hw layers before the animation starts (will be disabled in the onAnimationEnd - // callback below) - if (v != null) { - v.setLayerType(View.LAYER_TYPE_HARDWARE, null); - } - } - - private void setupAnimation(ValueAnimator anim, final View v) { - anim.setInterpolator(sAccelerateInterpolator); - anim.setDuration(sTransitionInDuration); - anim.addListener(new AnimatorListenerAdapter() { - @Override - public void onAnimationEnd(Animator animation) { - if (v != null) { - v.setLayerType(View.LAYER_TYPE_NONE, null); - } - } - }); + mUninstallDropTarget.setLauncher(launcher); } @Override @@ -116,80 +108,97 @@ public class SearchDropTargetBar extends FrameLayout implements DragController.D mDropTargetBar = findViewById(R.id.drag_target_bar); mInfoDropTarget = (ButtonDropTarget) mDropTargetBar.findViewById(R.id.info_target_text); mDeleteDropTarget = (ButtonDropTarget) mDropTargetBar.findViewById(R.id.delete_target_text); + mUninstallDropTarget = (ButtonDropTarget) mDropTargetBar.findViewById(R.id.uninstall_target_text); mInfoDropTarget.setSearchDropTargetBar(this); mDeleteDropTarget.setSearchDropTargetBar(this); - - mEnableDropDownDropTargets = - getResources().getBoolean(R.bool.config_useDropTargetDownTransition); + mUninstallDropTarget.setSearchDropTargetBar(this); // Create the various fade animations - if (mEnableDropDownDropTargets) { - LauncherAppState app = LauncherAppState.getInstance(); - DeviceProfile grid = app.getDynamicGrid().getDeviceProfile(); - mBarHeight = grid.searchBarSpaceHeightPx; - mDropTargetBar.setTranslationY(-mBarHeight); - mDropTargetBarAnim = LauncherAnimUtils.ofFloat(mDropTargetBar, "translationY", - -mBarHeight, 0f); + mDropTargetBar.setAlpha(0f); + mDropTargetBarAnimator = new LauncherViewPropertyAnimator(mDropTargetBar); + mDropTargetBarAnimator.setInterpolator(sAccelerateInterpolator); + mDropTargetBarAnimator.addListener(new AnimatorListenerAdapter() { + @Override + public void onAnimationStart(Animator animation) { + // Ensure that the view is visible for the animation + mDropTargetBar.setVisibility(View.VISIBLE); + } - } else { - mDropTargetBar.setAlpha(0f); - mDropTargetBarAnim = LauncherAnimUtils.ofFloat(mDropTargetBar, "alpha", 0f, 1f); - } - setupAnimation(mDropTargetBarAnim, mDropTargetBar); + @Override + public void onAnimationEnd(Animator animation) { + if (mDropTargetBar != null) { + AlphaUpdateListener.updateVisibility(mDropTargetBar, mAccessibilityEnabled); + } + } + }); } - public void finishAnimations() { - prepareStartAnimation(mDropTargetBar); - mDropTargetBarAnim.reverse(); - prepareStartAnimation(mQSBSearchBar); - mQSBSearchBarAnim.reverse(); - } + public void setQsbSearchBar(View qsb) { + mQSB = qsb; + if (mQSB != null) { + // Update the search ber animation + mQSBSearchBarAnimator = new LauncherViewPropertyAnimator(mQSB); + mQSBSearchBarAnimator.setInterpolator(sAccelerateInterpolator); + mQSBSearchBarAnimator.addListener(new AnimatorListenerAdapter() { + @Override + public void onAnimationStart(Animator animation) { + // Ensure that the view is visible for the animation + if (mQSB != null) { + mQSB.setVisibility(View.VISIBLE); + } + } - /* - * Shows and hides the search bar. - */ - public void showSearchBar(boolean animated) { - boolean needToCancelOngoingAnimation = mQSBSearchBarAnim.isRunning() && !animated; - if (!mIsSearchBarHidden && !needToCancelOngoingAnimation) return; - if (animated) { - prepareStartAnimation(mQSBSearchBar); - mQSBSearchBarAnim.reverse(); + @Override + public void onAnimationEnd(Animator animation) { + if (mQSB != null) { + AlphaUpdateListener.updateVisibility(mQSB, mAccessibilityEnabled); + } + } + }); } else { - mQSBSearchBarAnim.cancel(); - if (mQSBSearchBar != null && mEnableDropDownDropTargets) { - mQSBSearchBar.setTranslationY(0); - } else if (mQSBSearchBar != null) { - mQSBSearchBar.setAlpha(1f); - } + mQSBSearchBarAnimator = null; } - mIsSearchBarHidden = false; } - public void hideSearchBar(boolean animated) { - boolean needToCancelOngoingAnimation = mQSBSearchBarAnim.isRunning() && !animated; - if (mIsSearchBarHidden && !needToCancelOngoingAnimation) return; - if (animated) { - prepareStartAnimation(mQSBSearchBar); - mQSBSearchBarAnim.start(); - } else { - mQSBSearchBarAnim.cancel(); - if (mQSBSearchBar != null && mEnableDropDownDropTargets) { - mQSBSearchBar.setTranslationY(-mBarHeight); - } else if (mQSBSearchBar != null) { - mQSBSearchBar.setAlpha(0f); - } + + /** + * Animates the current search bar state to a new state. If the {@param duration} is 0, then + * the state is applied immediately. + */ + public void animateToState(State newState, int duration) { + if (mState != newState) { + mState = newState; + + // Update the accessibility state + AccessibilityManager am = (AccessibilityManager) + getContext().getSystemService(Context.ACCESSIBILITY_SERVICE); + mAccessibilityEnabled = am.isEnabled(); + + animateViewAlpha(mQSBSearchBarAnimator, mQSB, newState.getSearchBarAlpha(), + duration); + animateViewAlpha(mDropTargetBarAnimator, mDropTargetBar, newState.getDropTargetBarAlpha(), + duration); } - mIsSearchBarHidden = true; } - /* - * Gets various transition durations. + /** + * Convenience method to animate the alpha of a view using hardware layers. */ - public int getTransitionInDuration() { - return sTransitionInDuration; - } - public int getTransitionOutDuration() { - return sTransitionOutDuration; + private void animateViewAlpha(LauncherViewPropertyAnimator animator, View v, float alpha, + int duration) { + if (v == null) { + return; + } + + animator.cancel(); + if (Float.compare(v.getAlpha(), alpha) != 0) { + if (duration > 0) { + animator.alpha(alpha).withLayer().setDuration(duration).start(); + } else { + v.setAlpha(alpha); + AlphaUpdateListener.updateVisibility(v, mAccessibilityEnabled); + } + } } /* @@ -197,15 +206,13 @@ public class SearchDropTargetBar extends FrameLayout implements DragController.D */ @Override public void onDragStart(DragSource source, Object info, int dragAction) { - // Animate out the QSB search bar, and animate in the drop target bar - prepareStartAnimation(mDropTargetBar); - mDropTargetBarAnim.start(); - if (!mIsSearchBarHidden) { - prepareStartAnimation(mQSBSearchBar); - mQSBSearchBarAnim.start(); - } + animateToState(State.DROP_TARGET, DEFAULT_DRAG_FADE_DURATION); } + /** + * This is called to defer hiding the delete drop target until the drop animation has completed, + * instead of hiding immediately when the drag has ended. + */ public void deferOnDragEnd() { mDeferOnDragEnd = true; } @@ -213,31 +220,37 @@ public class SearchDropTargetBar extends FrameLayout implements DragController.D @Override public void onDragEnd() { if (!mDeferOnDragEnd) { - // Restore the QSB search bar, and animate out the drop target bar - prepareStartAnimation(mDropTargetBar); - mDropTargetBarAnim.reverse(); - if (!mIsSearchBarHidden) { - prepareStartAnimation(mQSBSearchBar); - mQSBSearchBarAnim.reverse(); - } + animateToState(State.SEARCH_BAR, DEFAULT_DRAG_FADE_DURATION); } else { mDeferOnDragEnd = false; } } + /** + * @return the bounds of the QSB search bar. + */ public Rect getSearchBarBounds() { - if (mQSBSearchBar != null) { + if (mQSB != null) { final int[] pos = new int[2]; - mQSBSearchBar.getLocationOnScreen(pos); + mQSB.getLocationOnScreen(pos); final Rect rect = new Rect(); rect.left = pos[0]; rect.top = pos[1]; - rect.right = pos[0] + mQSBSearchBar.getWidth(); - rect.bottom = pos[1] + mQSBSearchBar.getHeight(); + rect.right = pos[0] + mQSB.getWidth(); + rect.bottom = pos[1] + mQSB.getHeight(); return rect; } else { return null; } } + + public void enableAccessibleDrag(boolean enable) { + if (mQSB != null) { + mQSB.setVisibility(enable ? View.GONE : View.VISIBLE); + } + mInfoDropTarget.enableAccessibleDrag(enable); + mDeleteDropTarget.enableAccessibleDrag(enable); + mUninstallDropTarget.enableAccessibleDrag(enable); + } } |