"getDisplayMagnificationMediator()")) {
            throw new SecurityException("Requires RETRIEVE_WINDOW_INFO permission.");
        }
<<<<<<< HEAD
        if (mMagnificationMediator == null) {
            mMagnificationMediator = new DisplayMagnificationMediator(this);
=======
        synchronized (mWindowMap) {
            DisplayContent displayContent = getDisplayContentLocked(displayId);
            if (displayContent == null) {
                return;
            }
            WindowList windows = displayContent.getWindowList();
            final int windowCount = windows.size();
            for (int i = 0; i < windowCount; i++) {
                WindowState window = windows.get(i);
                if (window.isVisibleLw() || window.mAttrs.type == TYPE_UNIVERSE_BACKGROUND) {
                    WindowInfo info = getWindowInfoForWindowStateLocked(window);
                    outInfos.add(info);
                }
            }
        }
    }

    @Override
    public void magnifyDisplay(int displayId, float scale, float offsetX, float offsetY) {
        if (!checkCallingPermission(
                android.Manifest.permission.MAGNIFY_DISPLAY, "magnifyDisplay()")) {
            throw new SecurityException("Requires MAGNIFY_DISPLAY permission");
        }
        synchronized (mWindowMap) {
            MagnificationSpec spec = getDisplayMagnificationSpecLocked(displayId);
            if (spec != null) {
                final boolean scaleChanged = spec.mScale != scale;
        }
                final boolean offsetChanged = spec.mOffsetX != offsetX || spec.mOffsetY != offsetY;
                if (!scaleChanged && !offsetChanged) {
                    return;
                }
                spec.initialize(scale, offsetX, offsetY);
                // If the offset has changed we need to re-add the input windows
                // since the offsets have to be propagated to the input system.
                if (offsetChanged) {
                    // TODO(multidisplay): Input only occurs on the default display.
                    if (displayId == Display.DEFAULT_DISPLAY) {
                        mInputMonitor.updateInputWindowsLw(true);
                    }
                }
                scheduleAnimationLocked();
            }
        }
    }

    MagnificationSpec getDisplayMagnificationSpecLocked(int displayId) {
        DisplayContent displayContent = getDisplayContentLocked(displayId);
        if (displayContent != null) {
            if (displayContent.mMagnificationSpec == null) {
                displayContent.mMagnificationSpec = new MagnificationSpec();
            }
            return displayContent.mMagnificationSpec;
        }
        return null;
    }

    private WindowInfo getWindowInfoForWindowStateLocked(WindowState window) {
        WindowInfo info = WindowInfo.obtain();
        info.token = window.mToken.token;
        info.frame.set(window.mFrame);
        info.type = window.mAttrs.type;
        info.displayId = window.getDisplayId();
        info.compatibilityScale = window.mGlobalScale;
        info.visible = window.isVisibleLw() || info.type == TYPE_UNIVERSE_BACKGROUND;
        info.layer = window.mLayer;
        window.getTouchableRegion(mTempRegion);
        mTempRegion.getBounds(info.touchableRegion);
        return info;
    }

    private AttributeCache.Entry getCachedAnimations(int userId, WindowManager.LayoutParams lp) {
        if (DEBUG_ANIM) Slog.v(TAG, "Loading animations: layout params pkg="
                + (lp != null ? lp.packageName : null)
                + " resId=0x" + (lp != null ? Integer.toHexString(lp.windowAnimations) : null));
        if (lp != null && lp.windowAnimations != 0) {
            // If this is a system resource, don't try to load it from the
            // application resources.  It is nice to avoid loading application
            // resources if we can.
            String packageName = lp.packageName != null ? lp.packageName : "android";
            int resId = lp.windowAnimations;
            if ((resId&0xFF000000) == 0x01000000) {
                packageName = "android";
            }
            if (DEBUG_ANIM) Slog.v(TAG, "Loading animations: picked package="
                    + packageName);
            return AttributeCache.instance().get(userId, packageName, resId,
                    com.android.internal.R.styleable.WindowAnimation);
        }
        return null;
    }

    private AttributeCache.Entry getCachedAnimations(int userId, String packageName, int resId) {
        if (DEBUG_ANIM) Slog.v(TAG, "Loading animations: package="
                + packageName + " resId=0x" + Integer.toHexString(resId));
        if (packageName != null) {
            if ((resId&0xFF000000) == 0x01000000) {
                packageName = "android";
            }
            if (DEBUG_ANIM) Slog.v(TAG, "Loading animations: picked package="
                    + packageName);
            return AttributeCache.instance().get(userId, packageName, resId,
                    com.android.internal.R.styleable.WindowAnimation);
        }
        return null;
    }

    Animation loadAnimation(int userId, WindowManager.LayoutParams lp, int animAttr) {
        int anim = 0;
        Context context = mContext;
        if (animAttr >= 0) {
            AttributeCache.Entry ent = getCachedAnimations(userId, lp);
            if (ent != null) {
                context = ent.context;
                anim = ent.array.getResourceId(animAttr, 0);
            }
        if (anim != 0) {
            return AnimationUtils.loadAnimation(context, anim);
        }
        return null;
    }

    private Animation loadAnimation(int userId, String packageName, int resId) {
        int anim = 0;
        Context context = mContext;
        if (resId >= 0) {
            AttributeCache.Entry ent = getCachedAnimations(userId, packageName, resId);
            if (ent != null) {
                context = ent.context;
                anim = resId;
            }
        }
        if (anim != 0) {
            return AnimationUtils.loadAnimation(context, anim);
        }
        return null;
    }

    private Animation createExitAnimationLocked(int transit, int duration) {
        if (transit == WindowManagerPolicy.TRANSIT_WALLPAPER_INTRA_OPEN ||
                transit == WindowManagerPolicy.TRANSIT_WALLPAPER_INTRA_CLOSE) {
            // If we are on top of the wallpaper, we need an animation that
            // correctly handles the wallpaper staying static behind all of
            // the animated elements.  To do this, will just have the existing
            // element fade out.
            Animation a = new AlphaAnimation(1, 0);
            a.setDetachWallpaper(true);
            a.setDuration(duration);
            return a;
        }
        // For normal animations, the exiting element just holds in place.
        Animation a = new AlphaAnimation(1, 1);
        a.setDuration(duration);
        return a;
    }

    /**
     * Compute the pivot point for an animation that is scaling from a small
     * rect on screen to a larger rect.  The pivot point varies depending on
     * the distance between the inner and outer edges on both sides.  This
     * function computes the pivot point for one dimension.
     * @param startPos  Offset from left/top edge of outer rectangle to
     * left/top edge of inner rectangle.
     * @param finalScale The scaling factor between the size of the outer
     * and inner rectangles.
     */
    private static float computePivot(int startPos, float finalScale) {
        final float denom = finalScale-1;
        if (Math.abs(denom) < .0001f) {
            return startPos;
        }
        return -startPos / denom;
    }

    private Animation createScaleUpAnimationLocked(int transit, boolean enter) {
        Animation a;
        // Pick the desired duration.  If this is an inter-activity transition,
        // it  is the standard duration for that.  Otherwise we use the longer
        // task transition duration.
        int duration;
        switch (transit) {
            case WindowManagerPolicy.TRANSIT_ACTIVITY_OPEN:
            case WindowManagerPolicy.TRANSIT_ACTIVITY_CLOSE:
                duration = mContext.getResources().getInteger(
                        com.android.internal.R.integer.config_shortAnimTime);
                break;
            default:
                duration = 300;
                break;
        }
        // TODO(multidisplay): For now assume all app animation is on main display.
        final DisplayInfo displayInfo = getDefaultDisplayInfoLocked();
        if (enter) {
            // Entering app zooms out from the center of the initial rect.
            float scaleW = mNextAppTransitionStartWidth / (float) displayInfo.appWidth;
            float scaleH = mNextAppTransitionStartHeight / (float) displayInfo.appHeight;
            Animation scale = new ScaleAnimation(scaleW, 1, scaleH, 1,
                    computePivot(mNextAppTransitionStartX, scaleW),
                    computePivot(mNextAppTransitionStartY, scaleH));
            scale.setDuration(duration);
            AnimationSet set = new AnimationSet(true);
            Animation alpha = new AlphaAnimation(0, 1);
            scale.setDuration(duration);
            set.addAnimation(scale);
            alpha.setDuration(duration);
            set.addAnimation(alpha);
            set.setDetachWallpaper(true);
            a = set;
        } else {
            a = createExitAnimationLocked(transit, duration);
        }
        a.setFillAfter(true);
        final Interpolator interpolator = AnimationUtils.loadInterpolator(mContext,
                com.android.internal.R.interpolator.decelerate_cubic);
        a.setInterpolator(interpolator);
        a.initialize(displayInfo.appWidth, displayInfo.appHeight,
                displayInfo.appWidth, displayInfo.appHeight);
        return a;
    }

    private Animation createThumbnailAnimationLocked(int transit,
            boolean enter, boolean thumb, boolean scaleUp) {
        Animation a;
        final int thumbWidthI = mNextAppTransitionThumbnail.getWidth();
        final float thumbWidth = thumbWidthI > 0 ? thumbWidthI : 1;
        final int thumbHeightI = mNextAppTransitionThumbnail.getHeight();
        final float thumbHeight = thumbHeightI > 0 ? thumbHeightI : 1;
        // Pick the desired duration.  If this is an inter-activity transition,
        // it  is the standard duration for that.  Otherwise we use the longer
        // task transition duration.
        int duration;
        switch (transit) {
            case WindowManagerPolicy.TRANSIT_ACTIVITY_OPEN:
            case WindowManagerPolicy.TRANSIT_ACTIVITY_CLOSE:
                duration = mContext.getResources().getInteger(
                        com.android.internal.R.integer.config_shortAnimTime);
                break;
            default:
                duration = 250;
                break;
>>>>>>> f9ae5f75af259437391e41dac7f3c4461c495dd9
        }
        return mMagnificationMediator;
    }

                "getDisplayMagnificationMediator()")) {
            throw new SecurityException("Requires RETRIEVE_WINDOW_INFO permission.");
        }
        if (mMagnificationMediator == null) {
            mMagnificationMediator = new DisplayMagnificationMediator(this);
        }
        return mMagnificationMediator;
    }