Improve sheet viewer by using pdfrx

This makes it incompatible with web

lib/home_page.dart

@@ -1,5 +1,5 @@
 import 'package:flutter/material.dart';
-import 'package:sheetless/sheetview.dart';
+import 'package:sheetless/sheet_viewer_page.dart';
 import 'package:sheetless/storage_helper.dart';
 
 import 'api.dart';

lib/sheet_viewer_page.dart

@@ -0,0 +1,101 @@
+import 'package:flutter/material.dart';
+import 'package:pdfrx/pdfrx.dart';
+import 'package:sheetless/api.dart';
+import 'package:sheetless/sheet.dart';
+
+class SheetViewerPage extends StatefulWidget {
+  final Sheet sheet;
+  final ApiClient apiClient;
+
+  const SheetViewerPage(
+      {super.key, required this.sheet, required this.apiClient});
+
+  @override
+  State<SheetViewerPage> createState() => _SheetViewerPageState();
+}
+
+class _SheetViewerPageState extends State<SheetViewerPage> {
+  int page = 1;
+  int numPages = 1;
+
+  @override
+  void initState() {
+    super.initState();
+  }
+
+  Future<PdfDocument> loadPdf() async {
+    var file = await widget.apiClient.getPdfFileCached(widget.sheet.uuid);
+    if (file == null) {
+      throw Exception("Failed fetching pdf file");
+    }
+
+    var document = await PdfDocument.openFile(file.path);
+
+    return document;
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    print("Building with page: $page");
+    return Scaffold(
+      appBar: AppBar(
+        title: Text(widget.sheet.name),
+      ),
+      body: FutureBuilder(
+          future: loadPdf(),
+          builder: (BuildContext context, AsyncSnapshot<PdfDocument> snapshot) {
+            if (snapshot.hasData) {
+              var document = snapshot.data;
+              if (document != null) {
+                numPages = document.pages.length;
+              }
+              return GestureDetector(
+                onTapUp: (TapUpDetails details) {
+                  // Get the size of the screen
+                  final screenWidth = MediaQuery.of(context).size.width;
+
+                  // Check where the user tapped
+                  if (details.localPosition.dx < screenWidth / 2) {
+                    // Left half of the screen
+                    setState(() {
+                      page = page > 1 ? page - 1 : 1;
+                    });
+                  } else {
+                    // Right half of the screen
+                    setState(() {
+                      page = page < numPages ? page + 1 : numPages;
+                    });
+                  }
+                },
+                child: Stack(
+                  children: [
+                    PdfPageView(
+                      key: ValueKey(page),
+                      document: document,
+                      pageNumber: page,
+                      alignment: Alignment.center,
+                    ),
+                    Container(
+                      child: Text('$page / $numPages'),
+                      alignment: Alignment.bottomCenter,
+                      padding: EdgeInsets.only(bottom: 5),
+                    ),
+                  ],
+                ),
+              );
+            } else if (snapshot.hasError) {
+              return Center(
+                  child: Text(
+                      style: Theme.of(context)
+                          .textTheme
+                          .displaySmall!
+                          .copyWith(color: Colors.red),
+                      textAlign: TextAlign.center,
+                      snapshot.error.toString()));
+            } else {
+              return const Center(child: CircularProgressIndicator());
+            }
+          }),
+    );
+  }
+}

lib/sheetview.dart

@@ -1,63 +1 @@
-import 'package:flutter/material.dart';
-import 'package:pdfx/pdfx.dart';
-import 'package:sheetless/api.dart';
-import 'package:sheetless/sheet.dart';
 
-class SheetViewerPage extends StatefulWidget {
-  final Sheet sheet;
-  final ApiClient apiClient;
-
-  const SheetViewerPage(
-      {super.key, required this.sheet, required this.apiClient});
-
-  @override
-  State<SheetViewerPage> createState() => _SheetViewerPageState();
-}
-
-class _SheetViewerPageState extends State<SheetViewerPage> {
-  @override
-  void initState() {
-    super.initState();
-  }
-
-  Future<PdfController> loadPdf() async {
-    var file = await widget.apiClient.getPdfFileCached(widget.sheet.uuid);
-    if (file == null) {
-      throw Exception("Failed fetching pdf file");
-    }
-
-    return PdfController(document: PdfDocument.openFile(file.path));
-  }
-
-  @override
-  Widget build(BuildContext context) {
-    return Scaffold(
-      appBar: AppBar(
-        title: Text(widget.sheet.name),
-      ),
-      body: FutureBuilder(
-          future: loadPdf(),
-          builder:
-              (BuildContext context, AsyncSnapshot<PdfController> snapshot) {
-            if (snapshot.hasData) {
-              return PdfView(
-                controller: snapshot.data!,
-                pageSnapping: false,
-                scrollDirection: Axis.vertical,
-              );
-            } else if (snapshot.hasError) {
-              return Center(
-                  child: Text(
-                      style: Theme.of(context)
-                          .textTheme
-                          .displaySmall!
-                          .copyWith(color: Colors.red),
-                      textAlign: TextAlign.center,
-                      snapshot.error.toString()));
-            } else {
-              return const Center(child: CircularProgressIndicator());
-            }
-          }),
-    );
-  }
-}

linux/flutter/generated_plugin_registrant.cc

@@ -7,9 +7,13 @@
 #include "generated_plugin_registrant.h"
 
 #include <flutter_secure_storage_linux/flutter_secure_storage_linux_plugin.h>
+#include <url_launcher_linux/url_launcher_plugin.h>
 
 void fl_register_plugins(FlPluginRegistry* registry) {
   g_autoptr(FlPluginRegistrar) flutter_secure_storage_linux_registrar =
       fl_plugin_registry_get_registrar_for_plugin(registry, "FlutterSecureStorageLinuxPlugin");
   flutter_secure_storage_linux_plugin_register_with_registrar(flutter_secure_storage_linux_registrar);
+  g_autoptr(FlPluginRegistrar) url_launcher_linux_registrar =
+      fl_plugin_registry_get_registrar_for_plugin(registry, "UrlLauncherPlugin");
+  url_launcher_plugin_register_with_registrar(url_launcher_linux_registrar);
 }

linux/flutter/generated_plugins.cmake

@@ -4,9 +4,11 @@
 
 list(APPEND FLUTTER_PLUGIN_LIST
   flutter_secure_storage_linux
+  url_launcher_linux
 )
 
 list(APPEND FLUTTER_FFI_PLUGIN_LIST
+  pdfrx
 )
 
 set(PLUGIN_BUNDLED_LIBRARIES)

macos/Flutter/GeneratedPluginRegistrant.swift

@@ -10,6 +10,7 @@ import flutter_secure_storage_macos
 import path_provider_foundation
 import pdfx
 import sqflite_darwin
+import url_launcher_macos
 
 func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) {
   DeviceInfoPlusMacosPlugin.register(with: registry.registrar(forPlugin: "DeviceInfoPlusMacosPlugin"))
@@ -17,4 +18,5 @@ func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) {
   PathProviderPlugin.register(with: registry.registrar(forPlugin: "PathProviderPlugin"))
   PdfxPlugin.register(with: registry.registrar(forPlugin: "PdfxPlugin"))
   SqflitePlugin.register(with: registry.registrar(forPlugin: "SqflitePlugin"))
+  UrlLauncherPlugin.register(with: registry.registrar(forPlugin: "UrlLauncherPlugin"))
 }

pubspec.lock

@@ -336,6 +336,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.3.0"
+  pdfrx:
+    dependency: "direct main"
+    description:
+      name: pdfrx
+      sha256: "29c7b03d27d647c80da8cc08bd1256c74df90e5640fdd676646e4bd04f90553a"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.94"
   pdfx:
     dependency: "direct main"
     description:
@@ -549,6 +557,70 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.1.0"
+  url_launcher:
+    dependency: transitive
+    description:
+      name: url_launcher
+      sha256: "9d06212b1362abc2f0f0d78e6f09f726608c74e3b9462e8368bb03314aa8d603"
+      url: "https://pub.dev"
+    source: hosted
+    version: "6.3.1"
+  url_launcher_android:
+    dependency: transitive
+    description:
+      name: url_launcher_android
+      sha256: "6fc2f56536ee873eeb867ad176ae15f304ccccc357848b351f6f0d8d4a40d193"
+      url: "https://pub.dev"
+    source: hosted
+    version: "6.3.14"
+  url_launcher_ios:
+    dependency: transitive
+    description:
+      name: url_launcher_ios
+      sha256: "16a513b6c12bb419304e72ea0ae2ab4fed569920d1c7cb850263fe3acc824626"
+      url: "https://pub.dev"
+    source: hosted
+    version: "6.3.2"
+  url_launcher_linux:
+    dependency: transitive
+    description:
+      name: url_launcher_linux
+      sha256: "4e9ba368772369e3e08f231d2301b4ef72b9ff87c31192ef471b380ef29a4935"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.2.1"
+  url_launcher_macos:
+    dependency: transitive
+    description:
+      name: url_launcher_macos
+      sha256: "17ba2000b847f334f16626a574c702b196723af2a289e7a93ffcb79acff855c2"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.2.2"
+  url_launcher_platform_interface:
+    dependency: transitive
+    description:
+      name: url_launcher_platform_interface
+      sha256: "552f8a1e663569be95a8190206a38187b531910283c3e982193e4f2733f01029"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.3.2"
+  url_launcher_web:
+    dependency: transitive
+    description:
+      name: url_launcher_web
+      sha256: "772638d3b34c779ede05ba3d38af34657a05ac55b06279ea6edd409e323dca8e"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.3.3"
+  url_launcher_windows:
+    dependency: transitive
+    description:
+      name: url_launcher_windows
+      sha256: "44cf3aabcedde30f2dba119a9dea3b0f2672fbe6fa96e85536251d678216b3c4"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.1.3"
   uuid:
     dependency: transitive
     description:

pubspec.yaml

@@ -45,6 +45,7 @@ dependencies:
   flutter_cache_manager: ^3.4.1
   flutter_secure_storage: ^9.2.2
   jwt_decoder: ^2.0.1
+  pdfrx: ^1.0.94
 
 dev_dependencies:
   flutter_test:

windows/flutter/generated_plugin_registrant.cc

@@ -9,6 +9,7 @@
 #include <flutter_secure_storage_windows/flutter_secure_storage_windows_plugin.h>
 #include <pdfx/pdfx_plugin.h>
 #include <permission_handler_windows/permission_handler_windows_plugin.h>
+#include <url_launcher_windows/url_launcher_windows.h>
 
 void RegisterPlugins(flutter::PluginRegistry* registry) {
   FlutterSecureStorageWindowsPluginRegisterWithRegistrar(
@@ -17,4 +18,6 @@ void RegisterPlugins(flutter::PluginRegistry* registry) {
       registry->GetRegistrarForPlugin("PdfxPlugin"));
   PermissionHandlerWindowsPluginRegisterWithRegistrar(
       registry->GetRegistrarForPlugin("PermissionHandlerWindowsPlugin"));
+  UrlLauncherWindowsRegisterWithRegistrar(
+      registry->GetRegistrarForPlugin("UrlLauncherWindows"));
 }

windows/flutter/generated_plugins.cmake

@@ -6,9 +6,11 @@ list(APPEND FLUTTER_PLUGIN_LIST
   flutter_secure_storage_windows
   pdfx
   permission_handler_windows
+  url_launcher_windows
 )
 
 list(APPEND FLUTTER_FFI_PLUGIN_LIST
+  pdfrx
 )
 
 set(PLUGIN_BUNDLED_LIBRARIES)