Merge "Add a re-parent function to re-parent a specific child." (e04a8005) · Commits · e / os / android_frameworks_native-old

libs/gui/LayerState.cpp

+4 −0

Original line number	Diff line number	Diff line
		@@ -45,6 +45,8 @@ status_t layer_state_t::write(Parcel& output) const
		output.writeInt32(overrideScalingMode);
		output.writeStrongBinder(IInterface::asBinder(barrierGbp));
		output.writeStrongBinder(relativeLayerHandle);
		output.writeStrongBinder(parentHandleForChild);
		output.writeStrongBinder(childHandle);
		output.write(transparentRegion);
		return NO_ERROR;
		}
		@@ -77,6 +79,8 @@ status_t layer_state_t::read(const Parcel& input)
		barrierGbp =
		interface_cast<IGraphicBufferProducer>(input.readStrongBinder());
		relativeLayerHandle = input.readStrongBinder();
		parentHandleForChild = input.readStrongBinder();
		childHandle = input.readStrongBinder();
		input.read(transparentRegion);
		return NO_ERROR;
		}

libs/gui/SurfaceComposerClient.cpp

+23 −0

Original line number	Diff line number	Diff line
		@@ -176,6 +176,9 @@ public:
		status_t reparentChildren(const sp<SurfaceComposerClient>& client,
		const sp<IBinder>& id,
		const sp<IBinder>& newParentHandle);
		status_t reparentChild(const sp<SurfaceComposerClient>& client,
		const sp<IBinder>& id, const sp<IBinder>& newParentHandle,
		const sp<IBinder>& childHandle);
		status_t detachChildren(const sp<SurfaceComposerClient>& client,
		const sp<IBinder>& id);
		status_t setOverrideScalingMode(const sp<SurfaceComposerClient>& client,
		@@ -493,6 +496,21 @@ status_t Composer::reparentChildren(
		return NO_ERROR;
		}

		status_t Composer::reparentChild(const sp<SurfaceComposerClient>& client,
		const sp<IBinder>& id,
		const sp<IBinder>& newParentHandle,
		const sp<IBinder>& childHandle) {
		Mutex::Autolock lock(mLock);
		layer_state_t* s = getLayerStateLocked(client, id);
		if (!s) {
		return BAD_INDEX;
		}
		s->what \|= layer_state_t::eReparentChild;
		s->parentHandleForChild = newParentHandle;
		s->childHandle = childHandle;
		return NO_ERROR;
		}

		status_t Composer::detachChildren(
		const sp<SurfaceComposerClient>& client,
		const sp<IBinder>& id) {
		@@ -831,6 +849,11 @@ status_t SurfaceComposerClient::reparentChildren(const sp<IBinder>& id,
		return getComposer().reparentChildren(this, id, newParentHandle);
		}

		status_t SurfaceComposerClient::reparentChild(const sp<IBinder>& id,
		const sp<IBinder>& newParentHandle, const sp<IBinder>& childHandle) {
		return getComposer().reparentChild(this, id, newParentHandle, childHandle);
		}

		status_t SurfaceComposerClient::detachChildren(const sp<IBinder>& id) {
		return getComposer().detachChildren(this, id);
		}

libs/gui/SurfaceControl.cpp

+7 −0

Original line number	Diff line number	Diff line
		@@ -191,6 +191,13 @@ status_t SurfaceControl::reparentChildren(const sp<IBinder>& newParentHandle) {
		return mClient->reparentChildren(mHandle, newParentHandle);
		}

		status_t SurfaceControl::reparentChild(const sp<IBinder>& newParentHandle,
		const sp<IBinder>& childHandle) {
		status_t err = validate();
		if (err < 0) return err;
		return mClient->reparentChild(mHandle, newParentHandle, childHandle);
		}

		status_t SurfaceControl::detachChildren() {
		status_t err = validate();
		if (err < 0) return err;

libs/gui/include/gui/SurfaceComposerClient.h

+2 −0

Original line number	Diff line number	Diff line
		@@ -161,6 +161,8 @@ public:
		const sp<Surface>& handle, uint64_t frameNumber);
		status_t reparentChildren(const sp<IBinder>& id,
		const sp<IBinder>& newParentHandle);
		status_t reparentChild(const sp<IBinder>& id, const sp<IBinder>& newParentHandle,
		const sp<IBinder>& childHandle);
		status_t detachChildren(const sp<IBinder>& id);
		status_t setOverrideScalingMode(const sp<IBinder>& id,
		int32_t overrideScalingMode);

libs/gui/include/gui/SurfaceControl.h

+6 −0

Original line number	Diff line number	Diff line
		@@ -124,6 +124,12 @@ public:
		// Reparents all children of this layer to the new parent handle.
		status_t reparentChildren(const sp<IBinder>& newParentHandle);

		// Reparents a specified child from this layer to the new parent handle.
		// The child, parent, and new parent must all have the same client.
		// This can be used instead of reparentChildren if the caller wants to
		// only re-parent specific children.
		status_t reparentChild(const sp<IBinder>& newParentHandle, const sp<IBinder>& childHandle);

		// Detaches all child surfaces (and their children recursively)
		// from their SurfaceControl.
		// The child SurfaceControl's will not throw exceptions or return errors,