Examples with ScaleAndTranslation com.android.launcher3.LauncherState.ScaleAndTranslation used on opensource projects

Example 1 with ScaleAndTranslation

use of com.android.launcher3.LauncherState.ScaleAndTranslation in project android_packages_apps_Launcher3 by crdroidandroid.

the class WorkspaceStateTransitionAnimation method setWorkspaceProperty.

/**
 * Starts a transition animation for the workspace.
 */
private void setWorkspaceProperty(LauncherState state, PropertySetter propertySetter, StateAnimationConfig config) {
    ScaleAndTranslation scaleAndTranslation = state.getWorkspaceScaleAndTranslation(mLauncher);
    ScaleAndTranslation hotseatScaleAndTranslation = state.getHotseatScaleAndTranslation(mLauncher);
    mNewScale = scaleAndTranslation.scale;
    PageAlphaProvider pageAlphaProvider = state.getWorkspacePageAlphaProvider(mLauncher);
    final int childCount = mWorkspace.getChildCount();
    for (int i = 0; i < childCount; i++) {
        applyChildState(state, (CellLayout) mWorkspace.getChildAt(i), i, pageAlphaProvider, propertySetter, config);
    }
    int elements = state.getVisibleElements(mLauncher);
    Interpolator fadeInterpolator = config.getInterpolator(ANIM_WORKSPACE_FADE, pageAlphaProvider.interpolator);
    Hotseat hotseat = mWorkspace.getHotseat();
    Interpolator scaleInterpolator = config.getInterpolator(ANIM_WORKSPACE_SCALE, ZOOM_OUT);
    LauncherState fromState = mLauncher.getStateManager().getState();
    boolean shouldSpring = propertySetter instanceof PendingAnimation && fromState == HINT_STATE && state == NORMAL;
    if (shouldSpring) {
        ((PendingAnimation) propertySetter).add(getSpringScaleAnimator(mLauncher, mWorkspace, mNewScale));
    } else {
        propertySetter.setFloat(mWorkspace, SCALE_PROPERTY, mNewScale, scaleInterpolator);
    }
    mWorkspace.setPivotToScaleWithSelf(hotseat);
    float hotseatScale = hotseatScaleAndTranslation.scale;
    if (shouldSpring) {
        PendingAnimation pa = (PendingAnimation) propertySetter;
        pa.add(getSpringScaleAnimator(mLauncher, hotseat, hotseatScale));
    } else {
        Interpolator hotseatScaleInterpolator = config.getInterpolator(ANIM_HOTSEAT_SCALE, scaleInterpolator);
        propertySetter.setFloat(hotseat, SCALE_PROPERTY, hotseatScale, hotseatScaleInterpolator);
    }
    float hotseatIconsAlpha = (elements & HOTSEAT_ICONS) != 0 ? 1 : 0;
    propertySetter.setViewAlpha(hotseat, hotseatIconsAlpha, fadeInterpolator);
    float workspacePageIndicatorAlpha = (elements & WORKSPACE_PAGE_INDICATOR) != 0 ? 1 : 0;
    propertySetter.setViewAlpha(mLauncher.getWorkspace().getPageIndicator(), workspacePageIndicatorAlpha, fadeInterpolator);
    Interpolator translationInterpolator = config.getInterpolator(ANIM_WORKSPACE_TRANSLATE, ZOOM_OUT);
    propertySetter.setFloat(mWorkspace, VIEW_TRANSLATE_X, scaleAndTranslation.translationX, translationInterpolator);
    propertySetter.setFloat(mWorkspace, VIEW_TRANSLATE_Y, scaleAndTranslation.translationY, translationInterpolator);
    Interpolator hotseatTranslationInterpolator = config.getInterpolator(ANIM_HOTSEAT_TRANSLATE, translationInterpolator);
    propertySetter.setFloat(hotseat, VIEW_TRANSLATE_Y, hotseatScaleAndTranslation.translationY, hotseatTranslationInterpolator);
    propertySetter.setFloat(mWorkspace.getPageIndicator(), VIEW_TRANSLATE_Y, hotseatScaleAndTranslation.translationY, hotseatTranslationInterpolator);
    if (!config.hasAnimationFlag(SKIP_SCRIM)) {
        setScrim(propertySetter, state, config);
    }
}

Example 2 with ScaleAndTranslation

use of com.android.launcher3.LauncherState.ScaleAndTranslation in project android_packages_apps_Launcher3 by crdroidandroid.

the class SpringLoadedState method getWorkspaceScaleAndTranslation.

@Override
public ScaleAndTranslation getWorkspaceScaleAndTranslation(Launcher launcher) {
    DeviceProfile grid = launcher.getDeviceProfile();
    Workspace ws = launcher.getWorkspace();
    if (ws.getChildCount() == 0) {
        return super.getWorkspaceScaleAndTranslation(launcher);
    }
    if (grid.isVerticalBarLayout()) {
        float scale = grid.workspaceSpringLoadShrinkFactor;
        return new ScaleAndTranslation(scale, 0, 0);
    }
    float scale = grid.workspaceSpringLoadShrinkFactor;
    Rect insets = launcher.getDragLayer().getInsets();
    int insetsBottom = grid.isTaskbarPresent ? grid.taskbarSize : insets.bottom;
    float scaledHeight = scale * ws.getNormalChildHeight();
    float shrunkTop = insets.top + grid.dropTargetBarSizePx;
    float shrunkBottom = ws.getMeasuredHeight() - insetsBottom - grid.workspacePadding.bottom - grid.workspaceSpringLoadedBottomSpace;
    float totalShrunkSpace = shrunkBottom - shrunkTop;
    float desiredCellTop = shrunkTop + (totalShrunkSpace - scaledHeight) / 2;
    float halfHeight = ws.getHeight() / 2;
    float myCenter = ws.getTop() + halfHeight;
    float cellTopFromCenter = halfHeight - ws.getChildAt(0).getTop();
    float actualCellTop = myCenter - cellTopFromCenter * scale;
    return new ScaleAndTranslation(scale, 0, (desiredCellTop - actualCellTop) / scale);
}

Example 3 with ScaleAndTranslation

use of com.android.launcher3.LauncherState.ScaleAndTranslation in project android_packages_apps_Launcher3 by crdroidandroid.

the class OverviewState method getWorkspaceScaleAndTranslation.

@Override
public ScaleAndTranslation getWorkspaceScaleAndTranslation(Launcher launcher) {
    RecentsView recentsView = launcher.getOverviewPanel();
    Workspace workspace = launcher.getWorkspace();
    View workspacePage = workspace.getPageAt(workspace.getCurrentPage());
    float workspacePageWidth = workspacePage != null && workspacePage.getWidth() != 0 ? workspacePage.getWidth() : launcher.getDeviceProfile().availableWidthPx;
    recentsView.getTaskSize(sTempRect);
    float scale = (float) sTempRect.width() / workspacePageWidth;
    float parallaxFactor = 0.5f;
    return new ScaleAndTranslation(scale, 0, -getDefaultSwipeHeight(launcher) * parallaxFactor);
}