From ef35ccbf522a2aaaece7625e9886bd910e3bd8b8 Mon Sep 17 00:00:00 2001
From: "Bocklage, Jens" <Jens_Bocklage@mentor.com>
Date: Mon, 7 Nov 2016 13:40:36 +0100
Subject: [PATCH] New HomeScreen API calls getSurfaceStatus and
 getAllSurfacesOfProcess.

Signed-off-by: Bocklage, Jens <Jens_Bocklage@mentor.com>
---
 HomeScreen/src/homescreencontrolinterface.cpp |  12 +++
 HomeScreen/src/homescreencontrolinterface.h   |   4 +
 HomeScreen/src/layouthandler.cpp              |  27 ++++++
 HomeScreen/src/layouthandler.h                |   2 +
 HomeScreen/src/mainwindow.cpp                 |   2 +
 interfaces/homescreen.xml                     | 124 +++++++++++++++-----------
 6 files changed, 121 insertions(+), 50 deletions(-)

diff --git a/HomeScreen/src/homescreencontrolinterface.cpp b/HomeScreen/src/homescreencontrolinterface.cpp
index bc66e53..fae19a2 100644
--- a/HomeScreen/src/homescreencontrolinterface.cpp
+++ b/HomeScreen/src/homescreencontrolinterface.cpp
@@ -24,12 +24,24 @@ HomeScreenControlInterface::~HomeScreenControlInterface()
     delete mp_homeScreenAdaptor;
 }
 
+QList<int> HomeScreenControlInterface::getAllSurfacesOfProcess(int pid)
+{
+    qDebug("getAllSurfacesOfProcess %d", pid);
+    return newRequestGetAllSurfacesOfProcess(pid);
+}
+
 QRect HomeScreenControlInterface::getLayoutRenderAreaForSurfaceId(int surfaceId)
 {
     qDebug("getLayoutRenderAreaForSurfaceId %d", surfaceId);
     return newRequestGetLayoutRenderAreaForSurfaceId(surfaceId);
 }
 
+int HomeScreenControlInterface::getSurfaceStatus(int surfaceId)
+{
+    qDebug("getSurfaceStatus %d", surfaceId);
+    return newRequestGetSurfaceStatus(surfaceId);
+}
+
 void HomeScreenControlInterface::hardKeyPressed(int key)
 {
     int pid = -1;
diff --git a/HomeScreen/src/homescreencontrolinterface.h b/HomeScreen/src/homescreencontrolinterface.h
index 3203088..fb772db 100644
--- a/HomeScreen/src/homescreencontrolinterface.h
+++ b/HomeScreen/src/homescreencontrolinterface.h
@@ -17,13 +17,17 @@ public:
 signals:
     void newRequestsToBeVisibleApp(int pid);
 
+    QList<int> newRequestGetAllSurfacesOfProcess(int pid);
     QRect newRequestGetLayoutRenderAreaForSurfaceId(int surfaceId);
+    int newRequestGetSurfaceStatus(int surfaceId);
     void newRequestRenderSurfaceToArea(int surfaceId, const QRect &renderArea);
     void newRequestSurfaceIdToFullScreen(int surfaceId);
 
 //from homescreen_adapter.h
 public Q_SLOTS: // METHODS
+    QList<int> getAllSurfacesOfProcess(int pid);
     QRect getLayoutRenderAreaForSurfaceId(int surfaceId);
+    int getSurfaceStatus(int surfaceId);
     void hardKeyPressed(int key);
     void renderSurfaceToArea(int surfaceId, const QRect &renderArea);
     void requestSurfaceIdToFullScreen(int surfaceId);
diff --git a/HomeScreen/src/layouthandler.cpp b/HomeScreen/src/layouthandler.cpp
index 5f52cd5..35304e6 100644
--- a/HomeScreen/src/layouthandler.cpp
+++ b/HomeScreen/src/layouthandler.cpp
@@ -175,6 +175,33 @@ void LayoutHandler::makeMeVisible(int pid)
     }
 }
 
+QList<int> LayoutHandler::requestGetAllSurfacesOfProcess(int pid)
+{
+    qDebug("requestGetAllSurfacesOfProcess %d", pid);
+
+    return mp_dBusWindowManagerProxy->getAllSurfacesOfProcess(pid);
+}
+
+int LayoutHandler::requestGetSurfaceStatus(int surfaceId)
+{
+    int result = -1;
+
+    if (-1 != m_visibleSurfaces.indexOf(surfaceId))
+    {
+        result = 0;
+    }
+    if (-1 != m_invisibleSurfaces.indexOf(surfaceId))
+    {
+        result = 1;
+    }
+    if (-1 != m_requestsToBeVisibleSurfaces.indexOf(surfaceId))
+    {
+        result = 1;
+    }
+
+    return result;
+}
+
 void LayoutHandler::requestRenderSurfaceToArea(int surfaceId, const QRect &renderArea)
 {
     qDebug("requestRenderSurfaceToArea %d %d,%d,%d,%d", surfaceId, renderArea.x(), renderArea.y(), renderArea.width(), renderArea.height());
diff --git a/HomeScreen/src/layouthandler.h b/HomeScreen/src/layouthandler.h
index cc4b7ab..1ba270b 100644
--- a/HomeScreen/src/layouthandler.h
+++ b/HomeScreen/src/layouthandler.h
@@ -19,6 +19,8 @@ signals:
 public slots:
     void makeMeVisible(int pid);
 
+    QList<int> requestGetAllSurfacesOfProcess(int pid);
+    int requestGetSurfaceStatus(int surfaceId);
     void requestRenderSurfaceToArea(int surfaceId, const QRect &renderArea);
     void requestSurfaceIdToFullScreen(int surfaceId);
     void setLayoutByName(QString layoutName);
diff --git a/HomeScreen/src/mainwindow.cpp b/HomeScreen/src/mainwindow.cpp
index f8dfe89..f4891b3 100644
--- a/HomeScreen/src/mainwindow.cpp
+++ b/HomeScreen/src/mainwindow.cpp
@@ -100,6 +100,8 @@ MainWindow::MainWindow(QWidget *parent) :
     mp_layoutHandler->setUpLayouts();
 
     mp_homeScreenControlInterface = new HomeScreenControlInterface(this);
+    QObject::connect(mp_homeScreenControlInterface, SIGNAL(newRequestGetAllSurfacesOfProcess(int)), mp_layoutHandler, SLOT(requestGetAllSurfacesOfProcess(int)));
+    QObject::connect(mp_homeScreenControlInterface, SIGNAL(newRequestGetSurfaceStatus(int)), mp_layoutHandler, SLOT(requestGetSurfaceStatus(int)));
     QObject::connect(mp_homeScreenControlInterface, SIGNAL(newRequestsToBeVisibleApp(int)), mp_layoutHandler, SLOT(makeMeVisible(int)));
     QObject::connect(mp_homeScreenControlInterface, SIGNAL(newRequestSurfaceIdToFullScreen(int)), mp_layoutHandler, SLOT(requestSurfaceIdToFullScreen(int)));
     QObject::connect(mp_homeScreenControlInterface, SIGNAL(newRequestRenderSurfaceToArea(int, QRect)), mp_layoutHandler, SLOT(requestRenderSurfaceToArea(int,QRect)));
diff --git a/interfaces/homescreen.xml b/interfaces/homescreen.xml
index b317306..1cd390a 100644
--- a/interfaces/homescreen.xml
+++ b/interfaces/homescreen.xml
@@ -19,59 +19,83 @@
 
   This interface is a collection of methods from different functional areas to control the HomeScreen app.
 -->
-  <interface name="org.agl.homescreen">
-  <!--
-    hardKeyPressed:
-    @key: The key that was pressed using the inputevent.hpp InputEvent::HardKey type.
+	<interface name="org.agl.homescreen">
+		<!--
+		hardKeyPressed:
+		@key: The key that was pressed using the inputevent.hpp InputEvent::HardKey type.
 
-    This is used to inject hard keys into the HomeScreen app.
-  -->
-    <method name="hardKeyPressed">
-      <arg name="key" type="i" direction="in"/>
-    </method>
-  <!--
-    requestSurfaceIdToFullScreen:
-    @surfaceId: The surface that request to be shown fullscreen.
+		This is used to inject hard keys into the HomeScreen app.
+		-->
+		<method name="hardKeyPressed">
+			<arg name="key" type="i" direction="in"/>
+		</method>
+		<!--
+		getSurfaceStatus:
+		@surfaceId: The given surface.
+		@status: The status can be unknown (-1), visible (0), invisible (1)
 
-    This allows an application to set a surface to full screen.
-  -->
-    <method name="requestSurfaceIdToFullScreen">
-      <arg name="surfaceId" type="i" direction="in"/>
-    </method>
-  <!--
-    getLayoutRenderAreaForSurfaceId:
-    @surfaceId: The surface that is requested.
-    @renderArea: The layout render area in which the given surface is located.
+		A surface can have three states. It can be visible, then it is shown on the screen.
+		It can be invisible, then it is not shown on the screen. Or the state is unknown.
+		-->
+		<method name="getSurfaceStatus">
+			<arg name="surfaceId" type="i" direction="in"/>
+			<arg name="status" type="i" direction="out"/>
+		</method>
+		<!--
+		requestSurfaceIdToFullScreen:
+		@surfaceId: The surface that request to be shown fullscreen.
 
-    Before an application uses renderSurfaceToArea to render a surface into an area inside a layout area,
-    this method should be used to get the dimension of the layout area, in which the surface
-    currently is positioned.
-  -->
-    <method name="getLayoutRenderAreaForSurfaceId">
-      <arg name="surfaceId" type="i" direction="in"/>
-      <arg name="renderArea" type="(iiii)" direction="out"/>
-      <annotation name="org.qtproject.QtDBus.QtTypeName.Out0" value="QRect"/>
-    </method>
-  <!--
-    renderSurfaceToArea:
-    @surfaceId: The surface that is requested.
-    @renderArea: The render area inside the current layout area.
+		This allows an application to set a surface to full screen.
+		-->
+		<method name="requestSurfaceIdToFullScreen">
+			<arg name="surfaceId" type="i" direction="in"/>
+		</method>
+		<!--
+		  getAllSurfacesOfProcess:
+		  @pid: The PID of the process.
+		  @surfaceIds: A list of surfaces that were created by the process.
 
-    This is a special case. In the normal use case, one layout area is always filled completely
-    with one surface. By using this function, an app can request to position a surface in the
-    layout area.
-    Example:
-    If the layout area is 500x500 pixel in size, the normal use case qould be, that a surface
-    is positioned at x=0, y=0 with a width and a size of 500. With this function, an application can position surfaces
-    free in this area.
-    E.g.: Position surface 101 at x=10, y=30, width=300, height=100 and 
-    surface 104 at x=100, y=130, width=30, height=10
-  -->
-    <method name="renderSurfaceToArea">
-      <arg name="surfaceId" type="i" direction="in"/>
-      <arg name="renderArea" type="(iiii)" direction="in"/>
-      <annotation name="org.qtproject.QtDBus.QtTypeName.In1" value="QRect"/>
-    </method>
-  </interface>
+		  The surface IDs can for example be used to assign them to a layout render area.
+		-->
+		<method name="getAllSurfacesOfProcess">
+			<arg name="pid" type="i" direction="in"/>
+			<arg name="surfaceIds" type="ai" direction="out"/>
+			<annotation name="org.qtproject.QtDBus.QtTypeName.Out0" value="QList&lt;int&gt;"/>
+		</method>
+		<!--
+		getLayoutRenderAreaForSurfaceId:
+		@surfaceId: The surface that is requested.
+		@renderArea: The layout render area in which the given surface is located.
+
+		Before an application uses renderSurfaceToArea to render a surface into an area inside a layout area,
+		this method should be used to get the dimension of the layout area, in which the surface
+		currently is positioned.
+		-->
+		<method name="getLayoutRenderAreaForSurfaceId">
+			<arg name="surfaceId" type="i" direction="in"/>
+			<arg name="renderArea" type="(iiii)" direction="out"/>
+			<annotation name="org.qtproject.QtDBus.QtTypeName.Out0" value="QRect"/>
+		</method>
+		<!--
+		renderSurfaceToArea:
+		@surfaceId: The surface that is requested.
+		@renderArea: The render area inside the current layout area.
+
+		This is a special case. In the normal use case, one layout area is always filled completely
+		with one surface. By using this function, an app can request to position a surface in the
+		layout area.
+		Example:
+		If the layout area is 500x500 pixel in size, the normal use case qould be, that a surface
+		is positioned at x=0, y=0 with a width and a size of 500. With this function, an application can position surfaces
+		free in this area.
+		E.g.: Position surface 101 at x=10, y=30, width=300, height=100 and 
+		surface 104 at x=100, y=130, width=30, height=10
+		-->
+		<method name="renderSurfaceToArea">
+			<arg name="surfaceId" type="i" direction="in"/>
+			<arg name="renderArea" type="(iiii)" direction="in"/>
+			<annotation name="org.qtproject.QtDBus.QtTypeName.In1" value="QRect"/>
+		</method>
+	</interface>
 </node>
 
-- 
2.16.6