Description:context

Match-id-da88c5265094958c557bce93c4a42bd4aea02b2d

common/include/dinput_errcode.h

@@ -35,6 +35,8 @@ namespace DistributedInput {
     constexpr int32_t ERR_DH_INPUT_DLOPEN_FAIL = -60009;
     constexpr int32_t ERR_DH_INPUT_DLSYM_FAIL = -60010;
     constexpr int32_t ERR_DH_INPUT_LOW_LATENCY_LIB_NULL = -60011;
+    constexpr int32_t ERR_DH_INPUT_CONTEXT_KEY_NOT_EXIST = -60012;
+    constexpr int32_t ERR_DH_INPUT_CONTEXT_CALCULATE_FAIL = -60013;
 
     // whilte list error code
     constexpr int32_t ERR_DH_INPUT_WHILTELIST_INIT_FAIL = -61001;

services/source/transport/include/distributed_input_source_transport.h

@@ -82,8 +82,8 @@ private:
     uint64_t deltaTime_ = 0;
     uint64_t deltaTimeAll_ = 0;
     uint64_t sendTime_ = 0;
-    int32_t sendNum_ = 0;
-    int32_t recvNum_ = 0;
+    uint32_t sendNum_ = 0;
+    uint32_t recvNum_ = 0;
     std::atomic<bool> isLatencyThreadRunning_ = false;
     std::thread latencyThread_;
     std::string eachLatencyDetails_ = "";

utils/BUILD.gn

@@ -26,6 +26,7 @@ ohos_shared_library("libdinput_utils") {
 
   sources = [
     "src/dinput_utils_tool.cpp",
+    "src/dinput_context.cpp",
   ]
 
   defines = [

utils/include/dinput_context.h

@@ -0,0 +1,131 @@
+/*
+ * Copyright (c) 2022 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef OHOS_DISTRIBUTED_INPUT_CONTEXT_H
+#define OHOS_DISTRIBUTED_INPUT_CONTEXT_H
+
+#include <cstdint>
+#include <map>
+#include <mutex>
+#include <string>
+#include <unordered_map>
+
+#include "single_instance.h"
+
+#include "distributed_hardware_log.h"
+
+namespace OHOS {
+namespace DistributedHardware {
+namespace DistributedInput {
+struct LocalAbsInfo {
+    int32_t abs_x_min;
+    int32_t abs_x_max;
+    int32_t abs_y_min;
+    int32_t abs_y_max;
+    int32_t abs_pressure_min;
+    int32_t abs_pressure_max;
+    int32_t abs_mt_touch_major_min;
+    int32_t abs_mt_touch_major_max;
+    int32_t abs_mt_touch_minor_min;
+    int32_t abs_mt_touch_minor_max;
+    int32_t abs_mt_orientation_min;
+    int32_t abs_mt_orientation_max;
+    int32_t abs_mt_position_x_min;
+    int32_t abs_mt_position_x_max;
+    int32_t abs_mt_position_y_min;
+    int32_t abs_mt_position_y_max;
+    int32_t abs_mt_blob_id_min;
+    int32_t abs_mt_blob_id_max;
+    int32_t abs_mt_tracking_id_min;
+    int32_t abs_mt_tracking_id_max;
+    int32_t abs_mt_pressure_min;
+    int32_t abs_mt_pressure_max;
+};
+
+struct LocalTouchScreenInfo {
+    uint32_t sinkShowWidth;
+    uint32_t sinkShowHeight;
+    uint32_t sinkPhyWidth;
+    uint32_t sinkPhyHeight;
+    LocalAbsInfo localAbsInfo;
+};
+
+struct SrcScreenInfo {
+    std::string devId;            // source device id
+    std::string sourceWinId;      // source projection window id
+    uint32_t sourceWinWidth;      // source projection window width
+    uint32_t sourceWinHeight;     // source projection window height
+    std::string sourcePhyId;      // source virtual screen driver id
+    uint32_t sourcePhyFd;         // source virtual screen driver fd
+    uint32_t sourcePhyWidth;      // source virtual screen driver width
+    uint32_t sourcePhyHeight;     // source virtual screen driver height
+};
+
+struct TransformInfo {
+    uint32_t sinkWinPhyX;         // projection area X coordinate in touch coordinate
+    uint32_t sinkWinPhyY;         // projection area Y coordinate in touch coordinate
+    uint32_t sinkProjPhyWidth;    // projection area width in touch coordinate
+    uint32_t sinkProjPhyHeight;   // projection area height in touch coordinate
+    float coeffWidth;             // sink width transform source coefficient
+    float coeffHeight;            // sink height transform source coefficient
+};
+
+struct SinkScreenInfo {
+    uint32_t sinkShowWidth;       // sink show width
+    uint32_t sinkShowHeight;      // sink show height
+    uint32_t sinkPhyWidth;        // sink touch screen width
+    uint32_t sinkPhyHeight;       // sink touch screen height
+    std::string sinkShowWinId;    // sink show window id
+    uint32_t sinkWinShowX;        // sink show window x coordinate
+    uint32_t sinkWinShowY;        // sink show window y coordinate
+    uint32_t sinkProjShowWidth;   // sink show window width
+    uint32_t sinkProjShowHeight;  // sink show window height
+    SrcScreenInfo srcScreenInfo;
+    TransformInfo transformInfo;
+};
+
+class DInputContext {
+DECLARE_SINGLE_INSTANCE_BASE(DInputContext);
+public:
+    std::string GetSourceWindId(const std::string &devId, const std::string &sourceWinId);
+    int32_t RemoveSinkScreenInfo(const std::string &sourceWinId);
+    int32_t UpdateSinkScreenInfo(const std::string &sourceWinId, const SinkScreenInfo &sinkScreenInfo);
+    SinkScreenInfo GetSinkScreenInfo(const std::string &sourceWinId);
+
+    int32_t RemoveSrcScreenInfo(const std::string &sourceWinId);
+    int32_t UpdateSrcScreenInfo(const std::string &sourceWinId, const SrcScreenInfo &srcScreenInfo);
+    SrcScreenInfo GetSrcScreenInfo(const std::string &sourceWinId);
+
+    void SetLocalTouchScrennInfo(const LocalTouchScreenInfo &localTouchScreenInfo);
+    LocalTouchScreenInfo GetLocalTouchScreenInfo();
+private:
+    int32_t CalculateTransformInfo(SinkScreenInfo &sinkScreenInfo);
+
+private:
+    DInputContext() = default;
+    ~DInputContext();
+
+    std::unordered_map<std::string, SinkScreenInfo> sinkScreenInfoMap_;
+    std::unordered_map<std::string, SrcScreenInfo> srcScreenInfoMap_;
+    LocalTouchScreenInfo localTouchScreenInfo_;
+    std::mutex srcMapMutex_;
+    std::mutex sinkMapMutex_;
+    std::mutex localTouchScreenInfoMutex_;
+};
+} // namespace DistributedInput
+} // namespace DistributedHardware
+} // namespace OHOS
+
+#endif // OHOS_DISTRIBUTED_INPUT_CONTEXT_H

utils/src/dinput_context.cpp

@@ -0,0 +1,146 @@
+/*
+ * Copyright (c) 2022 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "dinput_context.h"
+
+#include "constants.h"
+
+#include "dinput_errcode.h"
+
+namespace OHOS {
+namespace DistributedHardware {
+namespace DistributedInput {
+IMPLEMENT_SINGLE_INSTANCE(DInputContext);
+
+DInputContext::~DInputContext()
+{
+    sinkScreenInfoMap_.clear();
+    srcScreenInfoMap_.clear();
+}
+
+std::string GetSourceWindId(const std::string &devId, const std::string &sourceWinId)
+{
+    return devId + RESOURCE_SEPARATOR + sourceWinId;
+}
+
+int32_t DInputContext::RemoveSinkScreenInfo(const std::string &sourceWinId)
+{
+    std::lock_guard<std::mutex> lock(sinkMapMutex_);
+    sinkScreenInfoMap_.erase(sourceWinId);
+    return DH_SUCCESS;
+}
+
+int32_t DInputContext::UpdateSinkScreenInfo(const std::string &sourceWinId, const SinkScreenInfo &sinkScreenInfo)
+{
+    std::lock_guard<std::mutex> lock(sinkMapMutex_);
+    if (sinkScreenInfoMap_.count(sourceWinId) <= 0) {
+        DHLOGE("source window id not exist");
+        return ERR_DH_INPUT_CONTEXT_KEY_NOT_EXIST;
+    }
+
+    SinkScreenInfo tmp = sinkScreenInfo;
+    if (CalculateTransformInfo(tmp) != DH_SUCCESS) {
+        DHLOGE("calculate transform infomation failed");
+    }
+
+    sinkScreenInfoMap_[sourceWinId] = tmp;
+    return DH_SUCCESS;
+}
+
+SinkScreenInfo DInputContext::GetSinkScreenInfo(const std::string &sourceWinId)
+{
+    std::lock_guard<std::mutex> lock(sinkMapMutex_);
+    if (sinkScreenInfoMap_.count(sourceWinId) <= 0) {
+        DHLOGE("source window id not exist");
+        SinkScreenInfo sinkScreenInfo;
+        sinkScreenInfoMap_[sourceWinId] = sinkScreenInfo;
+    }
+
+    return sinkScreenInfoMap_[sourceWinId];
+}
+
+int32_t DInputContext::RemoveSrcScreenInfo(const std::string &sourceWinId)
+{
+    std::lock_guard<std::mutex> lock(srcMapMutex_);
+    srcScreenInfoMap_.erase(sourceWinId);
+    return DH_SUCCESS;
+}
+
+int32_t DInputContext::UpdateSrcScreenInfo(const std::string &sourceWinId, const SrcScreenInfo &srcScreenInfo)
+{
+    std::lock_guard<std::mutex> lock(srcMapMutex_);
+    if (srcScreenInfoMap_.count(sourceWinId) <= 0) {
+        DHLOGE("source window id not exist");
+        return ERR_DH_INPUT_CONTEXT_KEY_NOT_EXIST;
+    }
+
+    srcScreenInfoMap_[sourceWinId] = srcScreenInfo;
+    return DH_SUCCESS;
+}
+
+SrcScreenInfo DInputContext::GetSrcScreenInfo(const std::string &sourceWinId)
+{
+    std::lock_guard<std::mutex> lock(srcMapMutex_);
+    if (srcScreenInfoMap_.count(sourceWinId) <= 0) {
+        DHLOGE("source window id not exist");
+        SrcScreenInfo srcScreenInfo;
+        srcScreenInfoMap_[sourceWinId] = srcScreenInfo;
+    }
+
+    return srcScreenInfoMap_[sourceWinId];
+}
+
+void DInputContext::SetLocalTouchScrennInfo(const LocalTouchScreenInfo &localTouchScreenInfo)
+{
+    std::lock_guard<std::mutex> lock(localTouchScreenInfoMutex_);
+    localTouchScreenInfo_ = localTouchScreenInfo;
+}
+
+LocalTouchScreenInfo DInputContext::GetLocalTouchScreenInfo()
+{
+    std::lock_guard<std::mutex> lock(localTouchScreenInfoMutex_);
+    return localTouchScreenInfo_;
+}
+
+int32_t DInputContext::CalculateTransformInfo(SinkScreenInfo &sinkScreenInfo)
+{
+    if (sinkScreenInfo.sinkShowHeight == 0 || sinkScreenInfo.sinkShowWidth == 0) {
+        DHLOGE("can not calculate transform infomation");
+        return ERR_DH_INPUT_CONTEXT_CALCULATE_FAIL;
+    }
+    TransformInfo transformInfo;
+    transformInfo.sinkWinPhyX = (sinkScreenInfo.sinkWinShowX / sinkScreenInfo.sinkShowWidth) *
+        sinkScreenInfo.sinkPhyWidth;
+    transformInfo.sinkWinPhyY = (sinkScreenInfo.sinkWinShowY / sinkScreenInfo.sinkShowHeight) *
+        sinkScreenInfo.sinkPhyHeight;
+    transformInfo.sinkProjPhyWidth = (sinkScreenInfo.sinkProjShowWidth / sinkScreenInfo.sinkShowWidth) *
+        sinkScreenInfo.sinkPhyWidth;
+    transformInfo.sinkProjPhyHeight = (sinkScreenInfo.sinkProjShowHeight / sinkScreenInfo.sinkShowHeight) *
+        sinkScreenInfo.sinkPhyHeight;
+    if (transformInfo.sinkProjPhyWidth == 0 || transformInfo.sinkProjPhyHeight == 0) {
+        DHLOGE("can not calculate transform infomation");
+        return ERR_DH_INPUT_CONTEXT_CALCULATE_FAIL;
+    }
+
+    // coefficient of the sink projection area in the source touch driver
+    transformInfo.coeffWidth = sinkScreenInfo.srcScreenInfo.sourcePhyWidth / transformInfo.sinkProjPhyWidth;
+    transformInfo.coeffHeight = sinkScreenInfo.srcScreenInfo.sourcePhyHeight  / transformInfo.sinkProjPhyHeight;
+
+    sinkScreenInfo.transformInfo = transformInfo;
+    return DH_SUCCESS;
+}
+} // namespace DistributedInput
+} // namespace DistributedHardware
+} // namespace OHOS