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Merge "Perform the minimal dimension restrictions on leaf Task" into sc-v2-dev

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This commit is contained in:
Louis Chang
2021-07-21 03:16:06 +00:00
committed by Android (Google) Code Review
parent c9fba2770e 69fd1625a1
commit e5c6355a2e
2 changed files with 155 additions and 150 deletions
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151
services/core/java/com/android/server/wm/Task.java
View File

@@ -149,6 +149,7 @@ import android.app.IActivityController;
import android.app.PictureInPictureParams;
import android.app.RemoteAction;
import android.app.TaskInfo;
import android.app.WindowConfiguration;
import android.content.ComponentName;
import android.content.Intent;
import android.content.pm.ActivityInfo;
@@ -2034,6 +2035,156 @@ class Task extends TaskFragment {
}
}
void resolveLeafTaskOnlyOverrideConfigs(Configuration newParentConfig, Rect previousBounds) {
if (!isLeafTask()) {
return;
}
int windowingMode =
getResolvedOverrideConfiguration().windowConfiguration.getWindowingMode();
if (windowingMode == WINDOWING_MODE_UNDEFINED) {
windowingMode = newParentConfig.windowConfiguration.getWindowingMode();
}
// Commit the resolved windowing mode so the canSpecifyOrientation won't get the old
// mode that may cause the bounds to be miscalculated, e.g. letterboxed.
getConfiguration().windowConfiguration.setWindowingMode(windowingMode);
Rect outOverrideBounds = getResolvedOverrideConfiguration().windowConfiguration.getBounds();
if (windowingMode == WINDOWING_MODE_FULLSCREEN) {
// Use empty bounds to indicate "fill parent".
outOverrideBounds.setEmpty();
// The bounds for fullscreen mode shouldn't be adjusted by minimal size. Otherwise if
// the parent or display is smaller than the size, the content may be cropped.
return;
}
adjustForMinimalTaskDimensions(outOverrideBounds, previousBounds, newParentConfig);
if (windowingMode == WINDOWING_MODE_FREEFORM) {
computeFreeformBounds(outOverrideBounds, newParentConfig);
return;
}
}
void adjustForMinimalTaskDimensions(@NonNull Rect bounds, @NonNull Rect previousBounds,
@NonNull Configuration parentConfig) {
int minWidth = mMinWidth;
int minHeight = mMinHeight;
// If the task has no requested minimal size, we'd like to enforce a minimal size
// so that the user can not render the task fragment too small to manipulate. We don't need
// to do this for the root pinned task as the bounds are controlled by the system.
if (!inPinnedWindowingMode()) {
final int defaultMinSizeDp = mRootWindowContainer.mDefaultMinSizeOfResizeableTaskDp;
final float density = (float) parentConfig.densityDpi / DisplayMetrics.DENSITY_DEFAULT;
final int defaultMinSize = (int) (defaultMinSizeDp * density);
if (minWidth == INVALID_MIN_SIZE) {
minWidth = defaultMinSize;
}
if (minHeight == INVALID_MIN_SIZE) {
minHeight = defaultMinSize;
}
}
if (bounds.isEmpty()) {
// If inheriting parent bounds, check if parent bounds adhere to minimum size. If they
// do, we can just skip.
final Rect parentBounds = parentConfig.windowConfiguration.getBounds();
if (parentBounds.width() >= minWidth && parentBounds.height() >= minHeight) {
return;
}
bounds.set(parentBounds);
}
final boolean adjustWidth = minWidth > bounds.width();
final boolean adjustHeight = minHeight > bounds.height();
if (!(adjustWidth || adjustHeight)) {
return;
}
if (adjustWidth) {
if (!previousBounds.isEmpty() && bounds.right == previousBounds.right) {
bounds.left = bounds.right - minWidth;
} else {
// Either left bounds match, or neither match, or the previous bounds were
// fullscreen and we default to keeping left.
bounds.right = bounds.left + minWidth;
}
}
if (adjustHeight) {
if (!previousBounds.isEmpty() && bounds.bottom == previousBounds.bottom) {
bounds.top = bounds.bottom - minHeight;
} else {
// Either top bounds match, or neither match, or the previous bounds were
// fullscreen and we default to keeping top.
bounds.bottom = bounds.top + minHeight;
}
}
}
/** Computes bounds for {@link WindowConfiguration#WINDOWING_MODE_FREEFORM}. */
private void computeFreeformBounds(@NonNull Rect outBounds,
@NonNull Configuration newParentConfig) {
// by policy, make sure the window remains within parent somewhere
final float density =
((float) newParentConfig.densityDpi) / DisplayMetrics.DENSITY_DEFAULT;
final Rect parentBounds =
new Rect(newParentConfig.windowConfiguration.getBounds());
final DisplayContent display = getDisplayContent();
if (display != null) {
// If a freeform window moves below system bar, there is no way to move it again
// by touch. Because its caption is covered by system bar. So we exclude them
// from root task bounds. and then caption will be shown inside stable area.
final Rect stableBounds = new Rect();
display.getStableRect(stableBounds);
parentBounds.intersect(stableBounds);
}
fitWithinBounds(outBounds, parentBounds,
(int) (density * WindowState.MINIMUM_VISIBLE_WIDTH_IN_DP),
(int) (density * WindowState.MINIMUM_VISIBLE_HEIGHT_IN_DP));
// Prevent to overlap caption with stable insets.
final int offsetTop = parentBounds.top - outBounds.top;
if (offsetTop > 0) {
outBounds.offset(0, offsetTop);
}
}
/**
* Adjusts bounds to stay within root task bounds.
*
* Since bounds might be outside of root task bounds, this method tries to move the bounds in
* a way that keep them unchanged, but be contained within the root task bounds.
*
* @param bounds Bounds to be adjusted.
* @param rootTaskBounds Bounds within which the other bounds should remain.
* @param overlapPxX The amount of px required to be visible in the X dimension.
* @param overlapPxY The amount of px required to be visible in the Y dimension.
*/
private static void fitWithinBounds(Rect bounds, Rect rootTaskBounds, int overlapPxX,
int overlapPxY) {
if (rootTaskBounds == null || rootTaskBounds.isEmpty() || rootTaskBounds.contains(bounds)) {
return;
}
// For each side of the parent (eg. left), check if the opposing side of the window (eg.
// right) is at least overlap pixels away. If less, offset the window by that difference.
int horizontalDiff = 0;
// If window is smaller than overlap, use it's smallest dimension instead
int overlapLR = Math.min(overlapPxX, bounds.width());
if (bounds.right < (rootTaskBounds.left + overlapLR)) {
horizontalDiff = overlapLR - (bounds.right - rootTaskBounds.left);
} else if (bounds.left > (rootTaskBounds.right - overlapLR)) {
horizontalDiff = -(overlapLR - (rootTaskBounds.right - bounds.left));
}
int verticalDiff = 0;
int overlapTB = Math.min(overlapPxY, bounds.width());
if (bounds.bottom < (rootTaskBounds.top + overlapTB)) {
verticalDiff = overlapTB - (bounds.bottom - rootTaskBounds.top);
} else if (bounds.top > (rootTaskBounds.bottom - overlapTB)) {
verticalDiff = -(overlapTB - (rootTaskBounds.bottom - bounds.top));
}
bounds.offset(horizontalDiff, verticalDiff);
}
/**
* Initializes a change transition. See {@link SurfaceFreezer} for more information.
*/

154
services/core/java/com/android/server/wm/TaskFragment.java
View File

@@ -1519,8 +1519,10 @@ class TaskFragment extends WindowContainer<WindowContainer> {
}
}
if (isLeafTaskFragment()) {
resolveLeafOnlyOverrideConfigs(newParentConfig, mTmpBounds /* previousBounds */);
final Task thisTask = asTask();
if (thisTask != null) {
thisTask.resolveLeafTaskOnlyOverrideConfigs(newParentConfig,
mTmpBounds /* previousBounds */);
}
computeConfigResourceOverrides(getResolvedOverrideConfiguration(), newParentConfig);
}
@@ -1558,100 +1560,6 @@ class TaskFragment extends WindowContainer<WindowContainer> {
return getTask() != null ? getTask().mTaskId : INVALID_TASK_ID;
}
private void resolveLeafOnlyOverrideConfigs(Configuration newParentConfig,
Rect previousBounds) {
int windowingMode =
getResolvedOverrideConfiguration().windowConfiguration.getWindowingMode();
if (windowingMode == WINDOWING_MODE_UNDEFINED) {
windowingMode = newParentConfig.windowConfiguration.getWindowingMode();
}
// Commit the resolved windowing mode so the canSpecifyOrientation won't get the old
// mode that may cause the bounds to be miscalculated, e.g. letterboxed.
getConfiguration().windowConfiguration.setWindowingMode(windowingMode);
Rect outOverrideBounds = getResolvedOverrideConfiguration().windowConfiguration.getBounds();
if (windowingMode == WINDOWING_MODE_FULLSCREEN) {
// Use empty bounds to indicate "fill parent".
outOverrideBounds.setEmpty();
// The bounds for fullscreen mode shouldn't be adjusted by minimal size. Otherwise if
// the parent or display is smaller than the size, the content may be cropped.
return;
}
adjustForMinimalTaskDimensions(outOverrideBounds, previousBounds, newParentConfig);
if (windowingMode == WINDOWING_MODE_FREEFORM) {
computeFreeformBounds(outOverrideBounds, newParentConfig);
return;
}
}
/** Computes bounds for {@link WindowConfiguration#WINDOWING_MODE_FREEFORM}. */
private void computeFreeformBounds(@NonNull Rect outBounds,
@NonNull Configuration newParentConfig) {
// by policy, make sure the window remains within parent somewhere
final float density =
((float) newParentConfig.densityDpi) / DisplayMetrics.DENSITY_DEFAULT;
final Rect parentBounds =
new Rect(newParentConfig.windowConfiguration.getBounds());
final DisplayContent display = getDisplayContent();
if (display != null) {
// If a freeform window moves below system bar, there is no way to move it again
// by touch. Because its caption is covered by system bar. So we exclude them
// from root task bounds. and then caption will be shown inside stable area.
final Rect stableBounds = new Rect();
display.getStableRect(stableBounds);
parentBounds.intersect(stableBounds);
}
fitWithinBounds(outBounds, parentBounds,
(int) (density * WindowState.MINIMUM_VISIBLE_WIDTH_IN_DP),
(int) (density * WindowState.MINIMUM_VISIBLE_HEIGHT_IN_DP));
// Prevent to overlap caption with stable insets.
final int offsetTop = parentBounds.top - outBounds.top;
if (offsetTop > 0) {
outBounds.offset(0, offsetTop);
}
}
/**
* Adjusts bounds to stay within root task bounds.
*
* Since bounds might be outside of root task bounds, this method tries to move the bounds in
* a way that keep them unchanged, but be contained within the root task bounds.
*
* @param bounds Bounds to be adjusted.
* @param rootTaskBounds Bounds within which the other bounds should remain.
* @param overlapPxX The amount of px required to be visible in the X dimension.
* @param overlapPxY The amount of px required to be visible in the Y dimension.
*/
private static void fitWithinBounds(Rect bounds, Rect rootTaskBounds, int overlapPxX,
int overlapPxY) {
if (rootTaskBounds == null || rootTaskBounds.isEmpty() || rootTaskBounds.contains(bounds)) {
return;
}
// For each side of the parent (eg. left), check if the opposing side of the window (eg.
// right) is at least overlap pixels away. If less, offset the window by that difference.
int horizontalDiff = 0;
// If window is smaller than overlap, use it's smallest dimension instead
int overlapLR = Math.min(overlapPxX, bounds.width());
if (bounds.right < (rootTaskBounds.left + overlapLR)) {
horizontalDiff = overlapLR - (bounds.right - rootTaskBounds.left);
} else if (bounds.left > (rootTaskBounds.right - overlapLR)) {
horizontalDiff = -(overlapLR - (rootTaskBounds.right - bounds.left));
}
int verticalDiff = 0;
int overlapTB = Math.min(overlapPxY, bounds.width());
if (bounds.bottom < (rootTaskBounds.top + overlapTB)) {
verticalDiff = overlapTB - (bounds.bottom - rootTaskBounds.top);
} else if (bounds.top > (rootTaskBounds.bottom - overlapTB)) {
verticalDiff = -(overlapTB - (rootTaskBounds.bottom - bounds.top));
}
bounds.offset(horizontalDiff, verticalDiff);
}
/**
* Ensures all visible activities at or below the input activity have the right configuration.
*/
@@ -1659,60 +1567,6 @@ class TaskFragment extends WindowContainer<WindowContainer> {
mEnsureVisibleActivitiesConfigHelper.process(start, preserveWindow);
}
void adjustForMinimalTaskDimensions(@NonNull Rect bounds, @NonNull Rect previousBounds,
@NonNull Configuration parentConfig) {
int minWidth = mMinWidth;
int minHeight = mMinHeight;
// If the task has no requested minimal size, we'd like to enforce a minimal size
// so that the user can not render the task fragment too small to manipulate. We don't need
// to do this for the root pinned task as the bounds are controlled by the system.
if (!inPinnedWindowingMode()) {
final int defaultMinSizeDp = mRootWindowContainer.mDefaultMinSizeOfResizeableTaskDp;
final float density = (float) parentConfig.densityDpi / DisplayMetrics.DENSITY_DEFAULT;
final int defaultMinSize = (int) (defaultMinSizeDp * density);
if (minWidth == INVALID_MIN_SIZE) {
minWidth = defaultMinSize;
}
if (minHeight == INVALID_MIN_SIZE) {
minHeight = defaultMinSize;
}
}
if (bounds.isEmpty()) {
// If inheriting parent bounds, check if parent bounds adhere to minimum size. If they
// do, we can just skip.
final Rect parentBounds = parentConfig.windowConfiguration.getBounds();
if (parentBounds.width() >= minWidth && parentBounds.height() >= minHeight) {
return;
}
bounds.set(parentBounds);
}
final boolean adjustWidth = minWidth > bounds.width();
final boolean adjustHeight = minHeight > bounds.height();
if (!(adjustWidth || adjustHeight)) {
return;
}
if (adjustWidth) {
if (!previousBounds.isEmpty() && bounds.right == previousBounds.right) {
bounds.left = bounds.right - minWidth;
} else {
// Either left bounds match, or neither match, or the previous bounds were
// fullscreen and we default to keeping left.
bounds.right = bounds.left + minWidth;
}
}
if (adjustHeight) {
if (!previousBounds.isEmpty() && bounds.bottom == previousBounds.bottom) {
bounds.top = bounds.bottom - minHeight;
} else {
// Either top bounds match, or neither match, or the previous bounds were
// fullscreen and we default to keeping top.
bounds.bottom = bounds.top + minHeight;
}
}
}
void computeConfigResourceOverrides(@NonNull Configuration inOutConfig,
@NonNull Configuration parentConfig) {
computeConfigResourceOverrides(inOutConfig, parentConfig, null /* overrideDisplayInfo */,