SUMMARY     = "AGL Reference POI application."
DESCRIPTION = "This application provides the function of destination search to AGL.  It uses the API provided by AGL Reference Navigation.  This application uses yelp WebAPI."
HOMEPAGE    = "https://github.com/AGLExport/genivi-navi-yelp-client"
SECTION     = "apps"

LICENSE          = "GPLv2"
LIC_FILES_CHKSUM = "file://COPYING;md5=947b2d60ca3872e172034438e9801200"

inherit cmake_qt5 pkgconfig

DEPENDS += " qtbase libdbus-c++ json-c \
           "

SRCREV="3e162a60c76dee1b4dede81db55e0fa6bae05433"
SRC_URI="git://github.com/AGLExport/genivi-navi-yelp-client.git;branch=agl \
         file://config.xml \
"

S = "${WORKDIR}/git"

do_install_append() {
   mkdir -p ${WORKDIR}/widget
   install -m 0644 ${WORKDIR}/config.xml ${WORKDIR}/widget
   install -m 0755 ${D}/usr/bin/yelp-client ${WORKDIR}/widget/poi
   zip -ju ${WORKDIR}/widget/poi.wgt ${WORKDIR}/widget/poi ${WORKDIR.highlight .hll { background-color: #ffffcc }
.highlight .c { color: #888888 } /* Comment */
.highlight .err { color: #a61717; background-color: #e3d2d2 } /* Error */
.highlight .k { color: #008800; font-weight: bold } /* Keyword */
.highlight .ch { color: #888888 } /* Comment.Hashbang */
.highlight .cm { color: #888888 } /* Comment.Multiline */
.highlight .cp { color: #cc0000; font-weight: bold } /* Comment.Preproc */
.highlight .cpf { color: #888888 } /* Comment.PreprocFile */
.highlight .c1 { color: #888888 } /* Comment.Single */
.highlight .cs { color: #cc0000; font-weight: bold; background-color: #fff0f0 } /* Comment.Special */
.highlight .gd { color: #000000; background-color: #ffdddd } /* Generic.Deleted */
.highlight .ge { font-style: italic } /* Generic.Emph */
.highlight .gr { color: #aa0000 } /* Generic.Error */
.highlight .gh { color: #333333 } /* Generic.Heading */
.highlight .gi { color: #000000; background-color: #ddffdd } /* Generic.Inserted */
.highlight .go { color: #888888 } /* Generic.Output */
.highlight .gp { color: #555555 } /* Generic.Prompt */
.highlight .gs { font-weight: bold } /* Generic.Strong */
.highlight .gu { color: #666666 } /* Generic.Subheading */
.highlight .gt { color: #aa0000 } /* Generic.Traceback */
.highlight .kc { color: #008800; font-weight: bold } /* Keyword.Constant */
.highlight .kd { color: #008800; font-weight: bold } /* Keyword.Declaration */
.highlight .kn { color: #008800; font-weight: bold } /* Keyword.Namespace */
.highlight .kp { color: #008800 } /* Keyword.Pseudo */
.highlight .kr { color: #008800; font-weight: bold } /* Keyword.Reserved */
.highlight .kt { color: #888888; font-weight: bold } /* Keyword.Type */
.highlight .m { color: #0000DD; font-weight: bold } /* Literal.Number */
.highlight .s { color: #dd2200; background-color: #fff0f0 } /* Literal.String */
.highlight .na { color: #336699 } /* Name.Attribute */
.highlight .nb { color: #003388 } /* Name.Builtin */
.highlight .nc { color: #bb0066; font-weight: bold } /* Name.Class */
.highlight .no { color: #003366; font-weight: bold } /* Name.Constant */
.highlight .nd { color: #555555 } /* Name.Decorator */
.highlight .ne { color: #bb0066; font-weight: bold } /* Name.Exception */
.highlight .nf { color: #0066bb; font-weight: bold } /* Name.Function */
.highlight .nl { color: #336699; font-style: italic } /* Name.Label */
.highlight .nn { color: #bb0066; font-weight: bold } /* Name.Namespace */
.highlight .py { color: #336699; font-weight: bold } /* Name.Property */
.highlight .nt { color: #bb0066; font-weight: bold } /* Name.Tag */
.highlight .nv { color: #336699 } /* Name.Variable */
.highlight .ow { color: #008800 } /* Operator.Word */
.highlight .w { color: #bbbbbb } /* Text.Whitespace */
.highlight .mb { color: #0000DD; font-weight: bold } /* Literal.Number.Bin */
.highlight .mf { color: #0000DD; font-weight: bold } /* Literal.Number.Float */
.highlight .mh { color: #0000DD; font-weight: bold } /* Literal.Number.Hex */
.highlight .mi { color: #0000DD; font-weight: bold } /* Literal.Number.Integer */
.highlight .mo { color: #0000DD; font-weight: bold } /* Literal.Number.Oct */
.highlight .sa { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Affix */
.highlight .sb { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Backtick */
.highlight .sc { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Char */
.highlight .dl { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Delimiter */
.highlight .sd { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Doc */
.highlight .s2 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Double */
.highlight .se { color: #0044dd; background-color: #fff0f0 } /* Literal.String.Escape */
.highlight .sh { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Heredoc */
.highlight .si { color: #3333bb; background-color: #fff0f0 } /* Literal.String.Interpol */
.highlight .sx { color: #22bb22; background-color: #f0fff0 } /* Literal.String.Other */
.highlight .sr { color: #008800; background-color: #fff0ff } /* Literal.String.Regex */
.highlight .s1 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Single */
.highlight .ss { color: #aa6600; background-color: #fff0f0 } /* Literal.String.Symbol */
.highlight .bp { color: #003388 } /* Name.Builtin.Pseudo */
.highlight .fm { color: #0066bb; font-weight: bold } /* Name.Function.Magic */
.highlight .vc { color: #336699 } /* Name.Variable.Class */
.highlight .vg { color: #dd7700 } /* Name.Variable.Global */
.highlight .vi { color: #3333bb } /* Name.Variable.Instance */
.highlight .vm { color: #336699 } /* Name.Variable.Magic */
.highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long */
/*
 * Copyright (c) 2017 TOYOTA MOTOR CORPORATION
 *
 * 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 WINDOW_MANAGER_HPP
#define WINDOW_MANAGER_HPP

#include <atomic>
#include <memory>
#include <unordered_map>
#include <experimental/optional>
#include "result.hpp"
#include "pm_wrapper.hpp"
#include "util.hpp"
#include "request.hpp"
#include "wm_error.hpp"
#include "wm_layer_control.hpp"
extern "C"
{
#include <afb/afb-binding.h>
}

struct json_object;

namespace wm
{

using std::experimental::optional;

/* DrawingArea name used by "{layout}.{area}" */
extern const char kNameLayoutNormal[];
extern const char kNameLayoutSplit[];
extern const char kNameAreaFull[];
extern const char kNameAreaMain[];
extern const char kNameAreaSub[];

/* Key for json obejct */
extern const char kKeyDrawingName[];
extern const char kKeyDrawingArea[];
extern const char kKeyDrawingRect[];
extern const char kKeyX[];
extern const char kKeyY[];
extern const char kKeyWidth[];
extern const char kKeyHeigh[];
extern const char kKeyWidthPixel[];
extern const char kKeyHeightPixel[];
extern const char kKeyWidthMm[];
extern const char kKeyHeightMm[];
extern const char kKeyScale[];
extern const char kKeyIds[];

struct id_allocator
{
    unsigned next = 1;
    // Surfaces that where requested but not yet created
    std::unordered_map<unsigned, std::string> id2name;
    std::unordered_map<std::string, unsigned> name2id;

    id_allocator(id_allocator const &) = delete;
    id_allocator(id_allocator &&) = delete;
    id_allocator &operator=(id_allocator const &);
    id_allocator &operator=(id_allocator &&) = delete;

    // Insert and return a new ID
    unsigned generate_id(std::string const &name)
    {
        unsigned sid = this->next++;
        this->id2name[sid] = name;
        this->name2id[name] = sid;
        HMI_DEBUG("allocated new id %u with name %s", sid, name.c_str());
        return sid;
    }

    // Insert a new ID which defined outside
    void register_name_id(std::string const &name, unsigned sid)
    {
        this->id2name[sid] = name;
        this->name2id[name] = sid;
        HMI_DEBUG("register id %u with name %s", sid, name.c_str());
        return;
    }

    // Lookup by ID or by name
    optional<unsigned> lookup(std::string const &name) const
    {
        auto i = this->name2id.find(name);
        return i == this->name2id.end() ? nullopt : optional<unsigned>(i->second);
    }

    optional<std::string> lookup(unsigned id) const
    {
        auto i = this->id2name.find(id);
        return i == this->id2name.end() ? nullopt
                                        : optional<std::string>(i->second);
    }

    // Remove a surface id and name
    void remove_id(std::string const &name)
    {
        auto i = this->name2id.find(name);
        if (i != this->name2id.end())
        {
            this->id2name.erase(i->second);
            this->name2id.erase(i);
        }
    }

    void remove_id(unsigned id)
    {
        auto i = this->id2name.find(id);
        if (i != this->id2name.end())
        {
            this->name2id.erase(i->second);
            this->id2name.erase(i);
        }
    }
};

struct TmpClient
{
    std::string   appid;
    unsigned layer;
};


class WindowManager
{
  public:
    typedef std::unordered_map<uint32_t, struct rect> rect_map;
    typedef std::function<void(const char *err_msg)> reply_func;

    enum EventType
    {
        Event_Val_Min = 0,

        Event_Active = Event_Val_Min,
        Event_Inactive,

        Event_Visible,
        Event_Invisible,

        Event_SyncDraw,
        Event_FlushDraw,

        Event_ScreenUpdated,

        Event_Error,

        Event_Val_Max = Event_Error,
    };

    explicit WindowManager();
    ~WindowManager() = default;

    WindowManager(WindowManager const &) = delete;
    WindowManager &operator=(WindowManager const &) = delete;
    WindowManager(WindowManager &&) = delete;
    WindowManager &operator=(WindowManager &&) = delete;

    int init();

    result<int> api_request_surface(char const *appid, char const *role);
    char const *api_request_surface(char const *appid, char const *role, char const *ivi_id);
    void api_activate_window(char const *appid, char const *role, char const *drawing_area, const reply_func &reply);
    void api_deactivate_window(char const *appid, char const *role, const reply_func &reply);
    void api_enddraw(char const *appid, char const *role);
    int  api_subscribe(afb_req_t req, int event_id);
    result<json_object *> api_get_display_info();
    result<json_object *> api_get_area_info(char const *role);
    void send_event(const std::string& evname, const std::string& role);
    void send_event(const std::string& evname, const std::string& role, const std::string& area, int x, int y, int w, int h);

    // Events from the compositor we are interested in
    void surface_created(unsigned surface_id);
    void surface_removed(unsigned surface_id);

    void removeClient(const std::string &appid);
    void exceptionProcessForTransition();

    // Do not use this function
    void timerHandler();
    void startTransitionWrapper(std::vector<WMAction> &actions);
    void processError(WMError error);

  private:
    // WM Events to clients
    void emit_activated(const std::string& role);
    void emit_deactivated(const std::string& role);
    void emit_syncdraw(const std::string& role, char const *area, int x, int y, int w, int h);
    void emit_syncdraw(const std::string &role, const std::string &area);
    void emit_flushdraw(const std::string& role);
    void emit_visible(const std::string& role, bool is_visible);
    void emit_invisible(const std::string& role);
    void emit_visible(const std::string& role);

    WMError setRequest(const std::string &appid, const std::string &role, const std::string &area,
                             Task task, unsigned *req_num);
    WMError checkPolicy(unsigned req_num);
    WMError startTransition(unsigned req_num);

    WMError doEndDraw(unsigned req_num);
    void    emitScreenUpdated(unsigned req_num);

    void setTimer();
    void stopTimer();
    void processNextRequest();

  private:
    std::map<std::string, afb_event_t> map_afb_event;
    std::unordered_map<std::string, struct rect> area2size;
    std::shared_ptr<LayerControl> lc;
    PMWrapper pmw;
    rect_map area_info;
    struct id_allocator id_alloc;

    // ID allocation and proxy methods for lookup
    std::unordered_map<unsigned, struct TmpClient> tmp_surface2app;
};

} // namespace wm

#endif // WINDOW_MANAGER_HPP