diff --git a/include/surfaceflinger/ISurfaceComposer.h b/include/surfaceflinger/ISurfaceComposer.h
index 6533600..1a1821c 100644
--- a/include/surfaceflinger/ISurfaceComposer.h
+++ b/include/surfaceflinger/ISurfaceComposer.h
@@ -118,6 +118,8 @@
             uint32_t* width, uint32_t* height, PixelFormat* format,
             uint32_t reqWidth, uint32_t reqHeight) = 0;
 
+    virtual status_t turnElectronBeamOff(int32_t mode) = 0;
+
     /* Signal surfaceflinger that there might be some work to do
      * This is an ASYNCHRONOUS call.
      */
@@ -142,7 +144,8 @@
         FREEZE_DISPLAY,
         UNFREEZE_DISPLAY,
         SIGNAL,
-        CAPTURE_SCREEN
+        CAPTURE_SCREEN,
+        TURN_ELECTRON_BEAM_OFF
     };
 
     virtual status_t    onTransact( uint32_t code,
diff --git a/include/ui/Input.h b/include/ui/Input.h
index 66061fd..8c6018b 100644
--- a/include/ui/Input.h
+++ b/include/ui/Input.h
@@ -95,6 +95,10 @@
     // Indicates that the input event was injected.
     POLICY_FLAG_INJECTED = 0x01000000,
 
+    // Indicates that the input event is from a trusted source such as a directly attached
+    // input device or an application with system-wide event injection permission.
+    POLICY_FLAG_TRUSTED = 0x02000000,
+
     /* These flags are set by the input reader policy as it intercepts each event. */
 
     // Indicates that the screen was off when the event was received and the event
diff --git a/include/ui/InputDispatcher.h b/include/ui/InputDispatcher.h
index 0834e86..3599163 100644
--- a/include/ui/InputDispatcher.h
+++ b/include/ui/InputDispatcher.h
@@ -913,7 +913,6 @@
     void drainInboundQueueLocked();
     void releasePendingEventLocked();
     void releaseInboundEventLocked(EventEntry* entry);
-    bool isEventFromTrustedSourceLocked(EventEntry* entry);
 
     // Dispatch state.
     bool mDispatchEnabled;
@@ -960,10 +959,10 @@
             nsecs_t currentTime, ConfigurationChangedEntry* entry);
     bool dispatchKeyLocked(
             nsecs_t currentTime, KeyEntry* entry, nsecs_t keyRepeatTimeout,
-            bool dropEvent, nsecs_t* nextWakeupTime);
+            DropReason* dropReason, nsecs_t* nextWakeupTime);
     bool dispatchMotionLocked(
             nsecs_t currentTime, MotionEntry* entry,
-            bool dropEvent, nsecs_t* nextWakeupTime);
+            DropReason* dropReason, nsecs_t* nextWakeupTime);
     void dispatchEventToCurrentInputTargetsLocked(
             nsecs_t currentTime, EventEntry* entry, bool resumeWithAppendedMotionSample);
 
diff --git a/libs/surfaceflinger_client/ISurfaceComposer.cpp b/libs/surfaceflinger_client/ISurfaceComposer.cpp
index d676f5e..d72561f 100644
--- a/libs/surfaceflinger_client/ISurfaceComposer.cpp
+++ b/libs/surfaceflinger_client/ISurfaceComposer.cpp
@@ -142,6 +142,15 @@
         return reply.readInt32();
     }
 
+    virtual status_t turnElectronBeamOff(int32_t mode)
+    {
+        Parcel data, reply;
+        data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
+        data.writeInt32(mode);
+        remote()->transact(BnSurfaceComposer::TURN_ELECTRON_BEAM_OFF, data, &reply);
+        return reply.readInt32();
+    }
+
     virtual void signal() const
     {
         Parcel data, reply;
@@ -224,6 +233,12 @@
             reply->writeInt32(f);
             reply->writeInt32(res);
         } break;
+        case TURN_ELECTRON_BEAM_OFF: {
+            CHECK_INTERFACE(ISurfaceComposer, data, reply);
+            int32_t mode = data.readInt32();
+            status_t res = turnElectronBeamOff(mode);
+            reply->writeInt32(res);
+        }
         default:
             return BBinder::onTransact(code, data, reply, flags);
     }
diff --git a/libs/ui/InputDispatcher.cpp b/libs/ui/InputDispatcher.cpp
index 58c2cdf..6ba19d7 100644
--- a/libs/ui/InputDispatcher.cpp
+++ b/libs/ui/InputDispatcher.cpp
@@ -370,7 +370,7 @@
             }
         }
         done = dispatchKeyLocked(currentTime, typedEntry, keyRepeatTimeout,
-                dropReason != DROP_REASON_NOT_DROPPED, nextWakeupTime);
+                &dropReason, nextWakeupTime);
         break;
     }
 
@@ -380,7 +380,7 @@
             dropReason = DROP_REASON_APP_SWITCH;
         }
         done = dispatchMotionLocked(currentTime, typedEntry,
-                dropReason != DROP_REASON_NOT_DROPPED, nextWakeupTime);
+                &dropReason, nextWakeupTime);
         break;
     }
 
@@ -431,8 +431,10 @@
     const char* reason;
     switch (dropReason) {
     case DROP_REASON_POLICY:
-        reason = "inbound event was dropped because the policy requested that it not be "
-                "delivered to the application";
+#if DEBUG_INBOUND_EVENT_DETAILS
+        LOGD("Dropped event because policy consumed it.");
+#endif
+        reason = "inbound event was dropped because the policy consumed it";
         break;
     case DROP_REASON_DISABLED:
         LOGI("Dropped event because input dispatch is disabled.");
@@ -473,7 +475,7 @@
 bool InputDispatcher::isAppSwitchKeyEventLocked(KeyEntry* keyEntry) {
     return ! (keyEntry->flags & AKEY_EVENT_FLAG_CANCELED)
             && isAppSwitchKeyCode(keyEntry->keyCode)
-            && isEventFromTrustedSourceLocked(keyEntry)
+            && (keyEntry->policyFlags & POLICY_FLAG_TRUSTED)
             && (keyEntry->policyFlags & POLICY_FLAG_PASS_TO_USER);
 }
 
@@ -541,12 +543,6 @@
     mAllocator.releaseEventEntry(entry);
 }
 
-bool InputDispatcher::isEventFromTrustedSourceLocked(EventEntry* entry) {
-    InjectionState* injectionState = entry->injectionState;
-    return ! injectionState
-            || hasInjectionPermission(injectionState->injectorPid, injectionState->injectorUid);
-}
-
 void InputDispatcher::resetKeyRepeatLocked() {
     if (mKeyRepeatState.lastKeyEntry) {
         mAllocator.releaseKeyEntry(mKeyRepeatState.lastKeyEntry);
@@ -559,7 +555,8 @@
     KeyEntry* entry = mKeyRepeatState.lastKeyEntry;
 
     // Reuse the repeated key entry if it is otherwise unreferenced.
-    uint32_t policyFlags = entry->policyFlags & (POLICY_FLAG_RAW_MASK | POLICY_FLAG_PASS_TO_USER);
+    uint32_t policyFlags = (entry->policyFlags & POLICY_FLAG_RAW_MASK)
+            | POLICY_FLAG_PASS_TO_USER | POLICY_FLAG_TRUSTED;
     if (entry->refCount == 1) {
         mAllocator.recycleKeyEntry(entry);
         entry->eventTime = currentTime;
@@ -608,19 +605,13 @@
 
 bool InputDispatcher::dispatchKeyLocked(
         nsecs_t currentTime, KeyEntry* entry, nsecs_t keyRepeatTimeout,
-        bool dropEvent, nsecs_t* nextWakeupTime) {
+        DropReason* dropReason, nsecs_t* nextWakeupTime) {
     // Give the policy a chance to intercept the key.
     if (entry->interceptKeyResult == KeyEntry::INTERCEPT_KEY_RESULT_UNKNOWN) {
-        bool trusted;
-        if (! dropEvent && mFocusedWindow) {
-            trusted = checkInjectionPermission(mFocusedWindow, entry->injectionState);
-        } else {
-            trusted = isEventFromTrustedSourceLocked(entry);
-        }
-        if (trusted) {
+        if (entry->policyFlags & POLICY_FLAG_PASS_TO_USER) {
             CommandEntry* commandEntry = postCommandLocked(
                     & InputDispatcher::doInterceptKeyBeforeDispatchingLockedInterruptible);
-            if (! dropEvent && mFocusedWindow) {
+            if (mFocusedWindow) {
                 commandEntry->inputChannel = mFocusedWindow->inputChannel;
             }
             commandEntry->keyEntry = entry;
@@ -630,15 +621,16 @@
             entry->interceptKeyResult = KeyEntry::INTERCEPT_KEY_RESULT_CONTINUE;
         }
     } else if (entry->interceptKeyResult == KeyEntry::INTERCEPT_KEY_RESULT_SKIP) {
-        resetTargetsLocked();
-        setInjectionResultLocked(entry, INPUT_EVENT_INJECTION_SUCCEEDED);
-        return true;
+        if (*dropReason == DROP_REASON_NOT_DROPPED) {
+            *dropReason = DROP_REASON_POLICY;
+        }
     }
 
     // Clean up if dropping the event.
-    if (dropEvent) {
+    if (*dropReason != DROP_REASON_NOT_DROPPED) {
         resetTargetsLocked();
-        setInjectionResultLocked(entry, INPUT_EVENT_INJECTION_FAILED);
+        setInjectionResultLocked(entry, *dropReason == DROP_REASON_POLICY
+                ? INPUT_EVENT_INJECTION_SUCCEEDED : INPUT_EVENT_INJECTION_FAILED);
         return true;
     }
 
@@ -648,7 +640,8 @@
 
         if (entry->repeatCount == 0
                 && entry->action == AKEY_EVENT_ACTION_DOWN
-                && ! entry->isInjected()) {
+                && (entry->policyFlags & POLICY_FLAG_TRUSTED)
+                && !entry->isInjected()) {
             if (mKeyRepeatState.lastKeyEntry
                     && mKeyRepeatState.lastKeyEntry->keyCode == entry->keyCode) {
                 // We have seen two identical key downs in a row which indicates that the device
@@ -713,11 +706,12 @@
 }
 
 bool InputDispatcher::dispatchMotionLocked(
-        nsecs_t currentTime, MotionEntry* entry, bool dropEvent, nsecs_t* nextWakeupTime) {
+        nsecs_t currentTime, MotionEntry* entry, DropReason* dropReason, nsecs_t* nextWakeupTime) {
     // Clean up if dropping the event.
-    if (dropEvent) {
+    if (*dropReason != DROP_REASON_NOT_DROPPED) {
         resetTargetsLocked();
-        setInjectionResultLocked(entry, INPUT_EVENT_INJECTION_FAILED);
+        setInjectionResultLocked(entry, *dropReason == DROP_REASON_POLICY
+                ? INPUT_EVENT_INJECTION_SUCCEEDED : INPUT_EVENT_INJECTION_FAILED);
         return true;
     }
 
@@ -2085,6 +2079,7 @@
         return;
     }
 
+    policyFlags |= POLICY_FLAG_TRUSTED;
     mPolicy->interceptKeyBeforeQueueing(eventTime, deviceId, action, /*byref*/ flags,
             keyCode, scanCode, /*byref*/ policyFlags);
 
@@ -2130,6 +2125,7 @@
         return;
     }
 
+    policyFlags |= POLICY_FLAG_TRUSTED;
     mPolicy->interceptGenericBeforeQueueing(eventTime, /*byref*/ policyFlags);
 
     bool needWake;
@@ -2263,6 +2259,7 @@
             switchCode, switchValue, policyFlags);
 #endif
 
+    policyFlags |= POLICY_FLAG_TRUSTED;
     mPolicy->notifySwitch(when, switchCode, switchValue, policyFlags);
 }
 
@@ -2275,7 +2272,11 @@
 #endif
 
     nsecs_t endTime = now() + milliseconds_to_nanoseconds(timeoutMillis);
-    bool trusted = hasInjectionPermission(injectorPid, injectorUid);
+
+    uint32_t policyFlags = POLICY_FLAG_INJECTED;
+    if (hasInjectionPermission(injectorPid, injectorUid)) {
+        policyFlags |= POLICY_FLAG_TRUSTED;
+    }
 
     EventEntry* injectedEntry;
     switch (event->getType()) {
@@ -2291,11 +2292,8 @@
         int32_t flags = keyEvent->getFlags();
         int32_t keyCode = keyEvent->getKeyCode();
         int32_t scanCode = keyEvent->getScanCode();
-        uint32_t policyFlags = POLICY_FLAG_INJECTED;
-        if (trusted) {
-            mPolicy->interceptKeyBeforeQueueing(eventTime, deviceId, action, /*byref*/ flags,
-                    keyCode, scanCode, /*byref*/ policyFlags);
-        }
+        mPolicy->interceptKeyBeforeQueueing(eventTime, deviceId, action, /*byref*/ flags,
+                keyCode, scanCode, /*byref*/ policyFlags);
 
         mLock.lock();
         injectedEntry = mAllocator.obtainKeyEntry(eventTime, deviceId, keyEvent->getSource(),
@@ -2314,10 +2312,7 @@
         }
 
         nsecs_t eventTime = motionEvent->getEventTime();
-        uint32_t policyFlags = POLICY_FLAG_INJECTED;
-        if (trusted) {
-            mPolicy->interceptGenericBeforeQueueing(eventTime, /*byref*/ policyFlags);
-        }
+        mPolicy->interceptGenericBeforeQueueing(eventTime, /*byref*/ policyFlags);
 
         mLock.lock();
         const nsecs_t* sampleEventTimes = motionEvent->getSampleEventTimes();
@@ -3323,7 +3318,7 @@
         }
     }
 
-    for (size_t i = 0; i < mMotionMementos.size(); i++) {
+    for (size_t i = 0; i < mMotionMementos.size(); ) {
         const MotionMemento& memento = mMotionMementos.itemAt(i);
         if (shouldCancelEvent(memento.source, options)) {
             outEvents.push(allocator->obtainMotionEntry(currentTime,
diff --git a/services/surfaceflinger/DisplayHardware/DisplayHardwareBase.cpp b/services/surfaceflinger/DisplayHardware/DisplayHardwareBase.cpp
index 1d09f84..fe9a5ab 100644
--- a/services/surfaceflinger/DisplayHardware/DisplayHardwareBase.cpp
+++ b/services/surfaceflinger/DisplayHardware/DisplayHardwareBase.cpp
@@ -359,7 +359,7 @@
 
 DisplayHardwareBase::DisplayHardwareBase(const sp<SurfaceFlinger>& flinger,
         uint32_t displayIndex) 
-    : mCanDraw(true)
+    : mCanDraw(true), mScreenAcquired(true)
 {
     mDisplayEventThread = new DisplayEventThread(flinger);
     if (mDisplayEventThread->initCheck() != NO_ERROR) {
@@ -374,18 +374,21 @@
     mDisplayEventThread->requestExitAndWait();
 }
 
+void DisplayHardwareBase::setCanDraw(bool canDraw)
+{
+    mCanDraw = canDraw;
+}
 
 bool DisplayHardwareBase::canDraw() const
 {
-    return mCanDraw;
+    return mCanDraw && mScreenAcquired;
 }
 
 void DisplayHardwareBase::releaseScreen() const
 {
     status_t err = mDisplayEventThread->releaseScreen();
     if (err >= 0) {
-        //LOGD("screen given-up");
-        mCanDraw = false;
+        mScreenAcquired = false;
     }
 }
 
@@ -393,9 +396,14 @@
 {
     status_t err = mDisplayEventThread->acquireScreen();
     if (err >= 0) {
-        //LOGD("screen returned");
         mCanDraw = true;
+        mScreenAcquired = true;
     }
 }
 
+bool DisplayHardwareBase::isScreenAcquired() const
+{
+    return mScreenAcquired;
+}
+
 }; // namespace android
diff --git a/services/surfaceflinger/DisplayHardware/DisplayHardwareBase.h b/services/surfaceflinger/DisplayHardware/DisplayHardwareBase.h
index 8369bb8..fa6a0c4 100644
--- a/services/surfaceflinger/DisplayHardware/DisplayHardwareBase.h
+++ b/services/surfaceflinger/DisplayHardware/DisplayHardwareBase.h
@@ -40,7 +40,11 @@
     // console managment
     void releaseScreen() const;
     void acquireScreen() const;
+    bool isScreenAcquired() const;
+
     bool canDraw() const;
+    void setCanDraw(bool canDraw);
+
 
 private:
     class DisplayEventThreadBase : public Thread {
@@ -89,6 +93,7 @@
 
     sp<DisplayEventThreadBase>  mDisplayEventThread;
     mutable int                 mCanDraw;
+    mutable int                 mScreenAcquired;
 };
 
 }; // namespace android
diff --git a/services/surfaceflinger/LayerBase.cpp b/services/surfaceflinger/LayerBase.cpp
index 758b408..069b85a 100644
--- a/services/surfaceflinger/LayerBase.cpp
+++ b/services/surfaceflinger/LayerBase.cpp
@@ -444,11 +444,11 @@
     }
     if (transform & HAL_TRANSFORM_FLIP_V) {
         swap(vLT, vLB);
-        swap(vRB, vRT);
+        swap(vRT, vRB);
     }
     if (transform & HAL_TRANSFORM_FLIP_H) {
-        swap(vLT, vRB);
-        swap(vLB, vRT);
+        swap(vLT, vRT);
+        swap(vLB, vRB);
     }
 
     TexCoords texCoords[4];
diff --git a/services/surfaceflinger/MessageQueue.cpp b/services/surfaceflinger/MessageQueue.cpp
index 4fb1e61..aebe1b8 100644
--- a/services/surfaceflinger/MessageQueue.cpp
+++ b/services/surfaceflinger/MessageQueue.cpp
@@ -72,14 +72,6 @@
             nsecs_t now = systemTime();
             nsecs_t nextEventTime = -1;
 
-            // invalidate messages are always handled first
-            if (mInvalidate) {
-                mInvalidate = false;
-                mInvalidateMessage->when = now;
-                result = mInvalidateMessage;
-                break;
-            }
-
             LIST::iterator cur(mMessages.begin());
             if (cur != mMessages.end()) {
                 result = *cur;
@@ -95,6 +87,14 @@
                 result = 0;
             }
 
+            // see if we have an invalidate message
+            if (mInvalidate) {
+                mInvalidate = false;
+                mInvalidateMessage->when = now;
+                result = mInvalidateMessage;
+                break;
+            }
+
             if (timeout >= 0) {
                 if (timeoutTime < now) {
                     // we timed-out, return a NULL message
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index e5e87c6..a919ddf 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -423,14 +423,14 @@
         hw.acquireScreen();
     }
 
-    if (mDeferReleaseConsole && hw.canDraw()) {
+    if (mDeferReleaseConsole && hw.isScreenAcquired()) {
         // We got the release signal before the acquire signal
         mDeferReleaseConsole = false;
         hw.releaseScreen();
     }
 
     if (what & eConsoleReleased) {
-        if (hw.canDraw()) {
+        if (hw.isScreenAcquired()) {
             hw.releaseScreen();
         } else {
             mDeferReleaseConsole = true;
@@ -1456,6 +1456,7 @@
         case FREEZE_DISPLAY:
         case UNFREEZE_DISPLAY:
         case BOOT_FINISHED:
+        case TURN_ELECTRON_BEAM_OFF:
         {
             // codes that require permission check
             IPCThreadState* ipc = IPCThreadState::self();
@@ -1544,6 +1545,231 @@
     return err;
 }
 
+
+// ---------------------------------------------------------------------------
+
+status_t SurfaceFlinger::turnElectronBeamOffImplLocked()
+{
+    status_t result = PERMISSION_DENIED;
+
+    if (!GLExtensions::getInstance().haveFramebufferObject())
+        return INVALID_OPERATION;
+
+    // get screen geometry
+    const int dpy = 0;
+    const DisplayHardware& hw(graphicPlane(dpy).displayHardware());
+    if (!hw.canDraw()) {
+        // we're already off
+        return NO_ERROR;
+    }
+
+    const uint32_t hw_w = hw.getWidth();
+    const uint32_t hw_h = hw.getHeight();
+    const Region screenBounds(hw.bounds());
+    GLfloat u = 1;
+    GLfloat v = 1;
+
+    // make sure to clear all GL error flags
+    while ( glGetError() != GL_NO_ERROR ) ;
+
+    // create a FBO
+    GLuint name, tname;
+    glGenTextures(1, &tname);
+    glBindTexture(GL_TEXTURE_2D, tname);
+    glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+    glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+    glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, hw_w, hw_h, 0, GL_RGB, GL_UNSIGNED_BYTE, 0);
+    if (glGetError() != GL_NO_ERROR) {
+        GLint tw = (2 << (31 - clz(hw_w)));
+        GLint th = (2 << (31 - clz(hw_h)));
+        glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, tw, th, 0, GL_RGB, GL_UNSIGNED_BYTE, 0);
+        u = GLfloat(hw_w) / tw;
+        v = GLfloat(hw_h) / th;
+    }
+    glGenFramebuffersOES(1, &name);
+    glBindFramebufferOES(GL_FRAMEBUFFER_OES, name);
+    glFramebufferTexture2DOES(GL_FRAMEBUFFER_OES, GL_COLOR_ATTACHMENT0_OES, GL_TEXTURE_2D, tname, 0);
+
+    GLenum status = glCheckFramebufferStatusOES(GL_FRAMEBUFFER_OES);
+    if (status == GL_FRAMEBUFFER_COMPLETE_OES) {
+        // redraw the screen entirely...
+        glClearColor(0,0,0,1);
+        glClear(GL_COLOR_BUFFER_BIT);
+        const Vector< sp<LayerBase> >& layers(mVisibleLayersSortedByZ);
+        const size_t count = layers.size();
+        for (size_t i=0 ; i<count ; ++i) {
+            const sp<LayerBase>& layer(layers[i]);
+            layer->drawForSreenShot();
+        }
+        // back to main framebuffer
+        glBindFramebufferOES(GL_FRAMEBUFFER_OES, 0);
+        glDisable(GL_SCISSOR_TEST);
+
+        GLfloat vtx[8];
+        const GLfloat texCoords[4][2] = { {0,v}, {0,0}, {u,0}, {u,v} };
+        glEnable(GL_TEXTURE_2D);
+        glBindTexture(GL_TEXTURE_2D, tname);
+        glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
+        glTexCoordPointer(2, GL_FLOAT, 0, texCoords);
+        glEnableClientState(GL_TEXTURE_COORD_ARRAY);
+        glVertexPointer(2, GL_FLOAT, 0, vtx);
+
+        class s_curve_interpolator {
+            const float nbFrames, s, v;
+        public:
+            s_curve_interpolator(int nbFrames, float s)
+                : nbFrames(1.0f / (nbFrames-1)), s(s),
+                  v(1.0f + expf(-s + 0.5f*s)) {
+            }
+            float operator()(int f) {
+                const float x = f * nbFrames;
+                return ((1.0f/(1.0f + expf(-x*s + 0.5f*s))) - 0.5f) * v + 0.5f;
+            }
+        };
+
+        class v_stretch {
+            const GLfloat hw_w, hw_h;
+        public:
+            v_stretch(uint32_t hw_w, uint32_t hw_h)
+                : hw_w(hw_w), hw_h(hw_h) {
+            }
+            void operator()(GLfloat* vtx, float v) {
+                const GLfloat w = hw_w + (hw_w * v);
+                const GLfloat h = hw_h - (hw_h * v);
+                const GLfloat x = (hw_w - w) * 0.5f;
+                const GLfloat y = (hw_h - h) * 0.5f;
+                vtx[0] = x;         vtx[1] = y;
+                vtx[2] = x;         vtx[3] = y + h;
+                vtx[4] = x + w;     vtx[5] = y + h;
+                vtx[6] = x + w;     vtx[7] = y;
+            }
+        };
+
+        class h_stretch {
+            const GLfloat hw_w, hw_h;
+        public:
+            h_stretch(uint32_t hw_w, uint32_t hw_h)
+                : hw_w(hw_w), hw_h(hw_h) {
+            }
+            void operator()(GLfloat* vtx, float v) {
+                const GLfloat w = hw_w - (hw_w * v);
+                const GLfloat h = 1.0f;
+                const GLfloat x = (hw_w - w) * 0.5f;
+                const GLfloat y = (hw_h - h) * 0.5f;
+                vtx[0] = x;         vtx[1] = y;
+                vtx[2] = x;         vtx[3] = y + h;
+                vtx[4] = x + w;     vtx[5] = y + h;
+                vtx[6] = x + w;     vtx[7] = y;
+            }
+        };
+
+        // the full animation is 24 frames
+        const int nbFrames = 12;
+
+        v_stretch vverts(hw_w, hw_h);
+        s_curve_interpolator itr(nbFrames, 7.5f);
+        s_curve_interpolator itg(nbFrames, 8.0f);
+        s_curve_interpolator itb(nbFrames, 8.5f);
+        glEnable(GL_BLEND);
+        glBlendFunc(GL_ONE, GL_ONE);
+        for (int i=0 ; i<nbFrames ; i++) {
+            float x, y, w, h;
+            const float vr = itr(i);
+            const float vg = itg(i);
+            const float vb = itb(i);
+
+            // clear screen
+            glColorMask(1,1,1,1);
+            glClear(GL_COLOR_BUFFER_BIT);
+            glEnable(GL_TEXTURE_2D);
+
+            // draw the red plane
+            vverts(vtx, vr);
+            glColorMask(1,0,0,1);
+            glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
+
+            // draw the green plane
+            vverts(vtx, vg);
+            glColorMask(0,1,0,1);
+            glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
+
+            // draw the blue plane
+            vverts(vtx, vb);
+            glColorMask(0,0,1,1);
+            glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
+
+            // draw the white highlight (we use the last vertices)
+            glDisable(GL_TEXTURE_2D);
+            glColorMask(1,1,1,1);
+            glColor4f(vg, vg, vg, 1);
+            glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
+            hw.flip(screenBounds);
+        }
+
+        h_stretch hverts(hw_w, hw_h);
+        glDisable(GL_BLEND);
+        glDisable(GL_TEXTURE_2D);
+        glColorMask(1,1,1,1);
+        for (int i=0 ; i<nbFrames ; i++) {
+            const float v = itg(i);
+            hverts(vtx, v);
+            glClear(GL_COLOR_BUFFER_BIT);
+            glColor4f(1-v, 1-v, 1-v, 1);
+            glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
+            hw.flip(screenBounds);
+        }
+
+        glColorMask(1,1,1,1);
+        glEnable(GL_SCISSOR_TEST);
+        glDisableClientState(GL_TEXTURE_COORD_ARRAY);
+        result = NO_ERROR;
+    } else {
+        // release FBO resources
+        glBindFramebufferOES(GL_FRAMEBUFFER_OES, 0);
+        result = BAD_VALUE;
+    }
+
+    glDeleteFramebuffersOES(1, &name);
+    glDeleteTextures(1, &tname);
+
+    if (result == NO_ERROR) {
+        DisplayHardware& hw(graphicPlane(dpy).editDisplayHardware());
+        hw.setCanDraw(false);
+    }
+
+    return result;
+}
+
+status_t SurfaceFlinger::turnElectronBeamOff(int32_t mode)
+{
+    if (!GLExtensions::getInstance().haveFramebufferObject())
+        return INVALID_OPERATION;
+
+    class MessageTurnElectronBeamOff : public MessageBase {
+        SurfaceFlinger* flinger;
+        status_t result;
+    public:
+        MessageTurnElectronBeamOff(SurfaceFlinger* flinger)
+            : flinger(flinger), result(PERMISSION_DENIED) {
+        }
+        status_t getResult() const {
+            return result;
+        }
+        virtual bool handler() {
+            Mutex::Autolock _l(flinger->mStateLock);
+            result = flinger->turnElectronBeamOffImplLocked();
+            return true;
+        }
+    };
+
+    sp<MessageBase> msg = new MessageTurnElectronBeamOff(this);
+    status_t res = postMessageSync(msg);
+    if (res == NO_ERROR) {
+        res = static_cast<MessageTurnElectronBeamOff*>( msg.get() )->getResult();
+    }
+    return res;
+}
+
 // ---------------------------------------------------------------------------
 
 status_t SurfaceFlinger::captureScreenImplLocked(DisplayID dpy,
@@ -2005,6 +2231,10 @@
     return *mHw;
 }
 
+DisplayHardware& GraphicPlane::editDisplayHardware() {
+    return *mHw;
+}
+
 const Transform& GraphicPlane::transform() const {
     return mGlobalTransform;
 }
diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index f0a167b..f85a22b 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -141,6 +141,7 @@
         int                     getHeight() const;
 
         const DisplayHardware&  displayHardware() const;
+        DisplayHardware&        editDisplayHardware();
         const Transform&        transform() const;
         EGLDisplay              getEGLDisplay() const;
         
@@ -200,6 +201,7 @@
                                                       PixelFormat* format,
                                                       uint32_t reqWidth,
                                                       uint32_t reqHeight);
+    virtual status_t                    turnElectronBeamOff(int32_t mode);
 
             void                        screenReleased(DisplayID dpy);
             void                        screenAcquired(DisplayID dpy);
@@ -325,6 +327,8 @@
                     uint32_t* width, uint32_t* height, PixelFormat* format,
                     uint32_t reqWidth = 0, uint32_t reqHeight = 0);
 
+            status_t turnElectronBeamOffImplLocked();
+
             friend class FreezeLock;
             sp<FreezeLock> getFreezeLock() const;
             inline void incFreezeCount() {