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Commit 5ac56502 authored by Riley Andrews's avatar Riley Andrews
Browse files

Make recents use immutable ashmem bitmaps for things it frequently passes across binder. 

Bug 21037890
Change-Id: Ieb29be3ff68f3db3f07df02f171325ed77915fdf
parent b2694cc3

packages/SystemUI/src/com/android/systemui/recents/Recents.java

+2 −1
Original line number Original line Diff line number Diff line
@@ -621,10 +621,11 @@ public class Recents extends SystemUI 
                mHeaderBar.draw(c);

                mHeaderBar.draw(c);

                c.setBitmap(null);

                c.setBitmap(null);

            }

            }

            Bitmap thumbnailImmutable = thumbnail.createAshmemBitmap();





            mStartAnimationTriggered = false;

            mStartAnimationTriggered = false;

            return ActivityOptions.makeThumbnailAspectScaleDownAnimation(mDummyStackView,

            return ActivityOptions.makeThumbnailAspectScaleDownAnimation(mDummyStackView,

                    thumbnail, toTaskRect.left, toTaskRect.top, toTaskRect.width(),

                    thumbnailImmutable, toTaskRect.left, toTaskRect.top, toTaskRect.width(),

                    toTaskRect.height(), mHandler, this);

                    toTaskRect.height(), mHandler, this);

        }

        }

packages/SystemUI/src/com/android/systemui/recents/views/RecentsView.java

+2 −1
Original line number Original line Diff line number Diff line
@@ -490,6 +490,7 @@ public class RecentsView extends FrameLayout implements TaskStackView.TaskStackV 
                // Notify the system to skip the thumbnail layer by using an ALPHA_8 bitmap

                // Notify the system to skip the thumbnail layer by using an ALPHA_8 bitmap

                b = Bitmap.createBitmap(1, 1, Bitmap.Config.ALPHA_8);

                b = Bitmap.createBitmap(1, 1, Bitmap.Config.ALPHA_8);

            }

            }

            Bitmap bImmut = b.createAshmemBitmap();

            ActivityOptions.OnAnimationStartedListener animStartedListener = null;

            ActivityOptions.OnAnimationStartedListener animStartedListener = null;

            if (lockToTask) {

            if (lockToTask) {

                animStartedListener = new ActivityOptions.OnAnimationStartedListener() {

                animStartedListener = new ActivityOptions.OnAnimationStartedListener() {
@@ -515,7 +516,7 @@ public class RecentsView extends FrameLayout implements TaskStackView.TaskStackV 
                        sourceView.getHandler(), animStartedListener);

                        sourceView.getHandler(), animStartedListener);

            } else {

            } else {

                opts = ActivityOptions.makeThumbnailAspectScaleUpAnimation(sourceView,

                opts = ActivityOptions.makeThumbnailAspectScaleUpAnimation(sourceView,

                        b, offsetX, offsetY, transform.rect.width(), transform.rect.height(),

                        bImmut, offsetX, offsetY, transform.rect.width(), transform.rect.height(),

                        sourceView.getHandler(), animStartedListener);

                        sourceView.getHandler(), animStartedListener);

            }

            }

        }

        }