Extract platform policy catalog

src/platform_api/platform_policy.cpp

@@ -0,0 +1,133 @@
+#include "platform_api/platform_policy.h"
+
+#include <string>
+
+namespace pp::platform {
+
+PlatformFamily current_platform_family() noexcept
+{
+#if defined(__IOS__)
+    return PlatformFamily::ios;
+#elif defined(__OSX__)
+    return PlatformFamily::macos;
+#elif defined(__ANDROID__)
+    return PlatformFamily::android;
+#elif defined(__LINUX__)
+    return PlatformFamily::linux;
+#elif defined(__WEB__)
+    return PlatformFamily::webgl;
+#elif defined(_WIN32)
+    return PlatformFamily::windows;
+#else
+    return PlatformFamily::generic_desktop;
+#endif
+}
+
+bool platform_deletes_recorded_files_on_clear(PlatformFamily family) noexcept
+{
+    return family == PlatformFamily::ios || family == PlatformFamily::macos;
+}
+
+bool platform_publishes_exported_images(PlatformFamily family) noexcept
+{
+    return family == PlatformFamily::ios;
+}
+
+bool platform_flushes_persistent_storage(PlatformFamily family) noexcept
+{
+    return family == PlatformFamily::webgl;
+}
+
+bool platform_enables_live_asset_reloading(PlatformFamily family) noexcept
+{
+    return family == PlatformFamily::windows || family == PlatformFamily::macos;
+}
+
+bool platform_supports_working_directory_picker(PlatformFamily family) noexcept
+{
+    return family == PlatformFamily::windows || family == PlatformFamily::macos;
+}
+
+bool platform_uses_prepared_file_writes(PlatformFamily family) noexcept
+{
+    return family == PlatformFamily::ios || family == PlatformFamily::webgl;
+}
+
+bool platform_uses_work_directory_document_export_collections(PlatformFamily family) noexcept
+{
+    return family == PlatformFamily::ios;
+}
+
+bool platform_uses_ppbr_export_data_directory_override(PlatformFamily family) noexcept
+{
+    return family == PlatformFamily::macos;
+}
+
+bool platform_supports_sonarpen(PlatformFamily family) noexcept
+{
+    return family == PlatformFamily::ios;
+}
+
+int platform_default_canvas_resolution(PlatformFamily family) noexcept
+{
+    return family == PlatformFamily::webgl ? 512 : 1536;
+}
+
+bool platform_draws_canvas_tip_for_pointer(
+    PlatformFamily family,
+    bool is_mouse,
+    bool is_stylus,
+    bool is_left_button_release) noexcept
+{
+    if (family == PlatformFamily::ios)
+        return is_mouse && !is_left_button_release;
+    return is_mouse || is_stylus;
+}
+
+std::vector<std::string> platform_document_browse_roots(
+    PlatformFamily family,
+    std::string_view work_path,
+    std::string_view data_path)
+{
+    if (family == PlatformFamily::ios)
+    {
+        return {
+            std::string(work_path),
+            std::string(data_path) + "/Inbox",
+        };
+    }
+
+    return { std::string(work_path) };
+}
+
+PreparedFileTarget plan_platform_writable_file(
+    PlatformFamily family,
+    std::string_view type,
+    std::string_view default_name,
+    std::string_view data_path,
+    std::string_view temporary_path)
+{
+    const std::string name = std::string(default_name) + "." + std::string(type);
+
+    if (family == PlatformFamily::ios)
+    {
+        return {
+            std::string(temporary_path) + "/" + name,
+            name,
+            true,
+        };
+    }
+
+    if (family == PlatformFamily::webgl)
+    {
+        return {
+            std::string(data_path) + "/" + name,
+            name,
+            false,
+        };
+    }
+
+    return {};
+}
+
+}

src/platform_api/platform_policy.h

@@ -0,0 +1,51 @@
+#pragma once
+
+#include "platform_api/platform_services.h"
+
+#include <string_view>
+#include <vector>
+
+namespace pp::platform {
+
+enum class PlatformFamily {
+    generic_desktop,
+    windows,
+    macos,
+    ios,
+    android,
+    linux,
+    webgl,
+};
+
+[[nodiscard]] PlatformFamily current_platform_family() noexcept;
+
+[[nodiscard]] bool platform_deletes_recorded_files_on_clear(PlatformFamily family) noexcept;
+[[nodiscard]] bool platform_publishes_exported_images(PlatformFamily family) noexcept;
+[[nodiscard]] bool platform_flushes_persistent_storage(PlatformFamily family) noexcept;
+[[nodiscard]] bool platform_enables_live_asset_reloading(PlatformFamily family) noexcept;
+[[nodiscard]] bool platform_supports_working_directory_picker(PlatformFamily family) noexcept;
+[[nodiscard]] bool platform_uses_prepared_file_writes(PlatformFamily family) noexcept;
+[[nodiscard]] bool platform_uses_work_directory_document_export_collections(PlatformFamily family) noexcept;
+[[nodiscard]] bool platform_uses_ppbr_export_data_directory_override(PlatformFamily family) noexcept;
+[[nodiscard]] bool platform_supports_sonarpen(PlatformFamily family) noexcept;
+[[nodiscard]] int platform_default_canvas_resolution(PlatformFamily family) noexcept;
+
+[[nodiscard]] bool platform_draws_canvas_tip_for_pointer(
+    PlatformFamily family,
+    bool is_mouse,
+    bool is_stylus,
+    bool is_left_button_release) noexcept;
+
+[[nodiscard]] std::vector<std::string> platform_document_browse_roots(
+    PlatformFamily family,
+    std::string_view work_path,
+    std::string_view data_path);
+
+[[nodiscard]] PreparedFileTarget plan_platform_writable_file(
+    PlatformFamily family,
+    std::string_view type,
+    std::string_view default_name,
+    std::string_view data_path,
+    std::string_view temporary_path);
+
+}