Add support to send crash reports from macOS

src/app/app.cpp

@@ -606,6 +606,7 @@ crash::DataRecovery* App::dataRecovery() const
 #ifdef ENABLE_UI
 void App::showNotification(INotificationDelegate* del)
 {
+  if (m_mainWindow)
     m_mainWindow->showNotification(del);
 }
 
@@ -709,18 +710,4 @@ int app_get_color_to_clear_layer(Layer* layer)
   return color_utils::color_for_layer(color, layer);
 }
 
-std::string memory_dump_filename()
-{
-#ifdef _WIN32
-  static const char* kDefaultCrashName = PACKAGE "-crash-" VERSION ".dmp";
-
-  app::ResourceFinder rf;
-  rf.includeUserDir(kDefaultCrashName);
-  return rf.getFirstOrCreateDefault();
-
-#else
-  return "";
-#endif
-}
-
 } // namespace app

src/app/app.h

@@ -1,5 +1,5 @@
 // Aseprite
-// Copyright (C) 2018-2019  Igara Studio S.A.
+// Copyright (C) 2018-2020  Igara Studio S.A.
 // Copyright (C) 2001-2018  David Capello
 //
 // This program is distributed under the terms of
@@ -117,6 +117,9 @@ namespace app {
     script::Engine* scriptEngine() { return m_engine.get(); }
 #endif
 
+    const std::string& memoryDumpFilename() const { return m_memoryDumpFilename; }
+    void memoryDumpFilename(const std::string& fn) { m_memoryDumpFilename = fn; }
+
     // App Signals
     obs::signal<void()> Exit;
     obs::signal<void()> PaletteChange;
@@ -145,13 +148,16 @@ namespace app {
 #ifdef ENABLE_SCRIPTING
     std::unique_ptr<script::Engine> m_engine;
 #endif
+
+    // Set the memory dump filename to show in the Preferences dialog
+    // or the "send crash" dialog. It's set by the SendCrash class.
+    std::string m_memoryDumpFilename;
   };
 
   void app_refresh_screen();
   void app_rebuild_documents_tabs();
   PixelFormat app_get_current_pixel_format();
   int app_get_color_to_clear_layer(doc::Layer* layer);
-  std::string memory_dump_filename();
 
 } // namespace app
 

src/app/commands/cmd_options.cpp

@@ -421,11 +421,10 @@ public:
 
     // Links
     locateFile()->Click.connect(base::Bind<void>(&OptionsWindow::onLocateConfigFile, this));
-#if _WIN32
+    if (!App::instance()->memoryDumpFilename().empty())
       locateCrashFolder()->Click.connect(base::Bind<void>(&OptionsWindow::onLocateCrashFolder, this));
-#else
+    else
       locateCrashFolder()->setVisible(false);
-#endif
 
     // Undo preferences
     limitUndo()->Click.connect(base::Bind<void>(&OptionsWindow::onLimitUndoCheck, this));
@@ -1017,7 +1016,8 @@ private:
   }
 
   void onLocateCrashFolder() {
-    app::launcher::open_folder(base::get_file_path(app::memory_dump_filename()));
+    app::launcher::open_folder(
+      base::get_file_path(App::instance()->memoryDumpFilename()));
   }
 
   void onLocateConfigFile() {

src/app/send_crash.cpp

@@ -1,4 +1,5 @@
 // Aseprite
+// Copyright (C) 2020  Igara Studio S.A.
 // Copyright (C) 2001-2018  David Capello
 //
 // This program is distributed under the terms of
@@ -14,23 +15,92 @@
 #include "app/console.h"
 #include "app/i18n/strings.h"
 #include "app/resource_finder.h"
+#include "app/task.h"
 #include "base/bind.h"
 #include "base/fs.h"
 #include "base/launcher.h"
 #include "ui/alert.h"
+#include "ui/system.h"
 
 #include "send_crash.xml.h"
 
 namespace app {
 
+// static
+std::string SendCrash::DefaultMemoryDumpFilename()
+{
+#ifdef _WIN32
+  const char* kDefaultCrashName = PACKAGE "-crash-" VERSION ".dmp";
+  ResourceFinder rf;
+  rf.includeUserDir(kDefaultCrashName);
+  return rf.getFirstOrCreateDefault();
+#else
+  return std::string();
+#endif
+}
+
+SendCrash::~SendCrash()
+{
+  if (m_task.running()) {
+    m_task.cancel();
+    m_task.wait();
+  }
+}
+
 void SendCrash::search()
 {
 #ifdef _WIN32
-  m_dumpFilename = memory_dump_filename();
+  // On Windows we use one mini-dump to report bugs, then we can open
+  // this .dmp file locally along with the .exe + .pdb to check the
+  // stack trace and detect the cause of the bug.
 
-  if (base::is_file(m_dumpFilename)) {
-    App::instance()->showNotification(this);
+  m_dumpFilename = SendCrash::DefaultMemoryDumpFilename();
+  if (!m_dumpFilename.empty() &&
+      base::is_file(m_dumpFilename)) {
+    auto app = App::instance();
+    app->memoryDumpFilename(fn);
+    app->showNotification(this);
   }
+
+#elif defined(__APPLE__)
+  // On macOS we can show the possibility to send the latest crash
+  // report from ~/Library/Logs/DiagnosticReports which is the
+  // location where crash reports (.crash files) are located.
+
+  m_task.run(
+    [this](base::task_token&){
+      ResourceFinder rf;
+      rf.includeHomeDir("Library/Logs/DiagnosticReports");
+      std::string dir = rf.defaultFilename();
+      if (base::is_directory(dir)) {
+        std::vector<std::string> candidates;
+        int n = std::strlen(PACKAGE);
+        for (const auto& fn : base::list_files(dir)) {
+          // Cancel everything
+          if (m_task.canceled())
+            return;
+
+          if (base::utf8_icmp(PACKAGE, fn, n) == 0) {
+            candidates.push_back(fn);
+          }
+        }
+        std::sort(candidates.begin(), candidates.end());
+        if (!candidates.empty()) {
+          std::string fn = base::join_path(dir, candidates.back());
+          if (base::is_file(fn)) {
+            ui::execute_from_ui_thread(
+              [this, fn]{
+                m_dumpFilename = fn;
+                if (auto app = App::instance()) {
+                  app->memoryDumpFilename(fn);
+                  app->showNotification(this);
+                }
+              });
+          }
+        }
+      }
+    });
+
 #endif
 }
 
@@ -48,15 +118,24 @@ void SendCrash::notificationClick()
 
   app::gen::SendCrash dlg;
 
-  // The current version is a "development" version if the VERSION
-  // macro contains the "dev" word.
+#if _WIN32
+  // Only on Windows, if the current version is a "development"
+  // version (i.e. the VERSION macro contains the "dev" word), the
+  // .dmp file is useless for us. This is because we need the .exe +
+  // .pdb + source code used in the compilation process to make some
+  // sense of the .dmp file.
+
   bool isDev = (std::string(VERSION).find("dev") != std::string::npos);
   if (isDev) {
     dlg.official()->setVisible(false);
     dlg.devFilename()->setText(m_dumpFilename);
     dlg.devFilename()->Click.connect(base::Bind(&SendCrash::onClickDevFilename, this));
   }
-  else {
+  else
+#endif  // On other platforms the crash file might be useful even in
+        // the -dev version (e.g. on macOS it's a text file with stack
+        // traces).
+  {
     dlg.dev()->setVisible(false);
     dlg.filename()->setText(m_dumpFilename);
     dlg.filename()->Click.connect(base::Bind(&SendCrash::onClickFilename, this));

src/app/send_crash.h

@@ -1,4 +1,5 @@
 // Aseprite
+// Copyright (C) 2020  Igara Studio S.A.
 // Copyright (C) 2001-2018  David Capello
 //
 // This program is distributed under the terms of
@@ -9,6 +10,7 @@
 #pragma once
 
 #include "app/notification_delegate.h"
+#include "app/task.h"
 
 #include <string>
 
@@ -16,6 +18,10 @@ namespace app {
 
   class SendCrash : public INotificationDelegate {
   public:
+    static std::string DefaultMemoryDumpFilename();
+
+    ~SendCrash();
+
     void search();
 
     virtual std::string notificationText() override;
@@ -25,6 +31,7 @@ namespace app {
     void onClickFilename();
     void onClickDevFilename();
 
+    Task m_task;
     std::string m_dumpFilename;
   };
 

src/app/task.cpp

@@ -1,5 +1,5 @@
 // Aseprite
-// Copyright (C) 2019  Igara Studio S.A.
+// Copyright (C) 2019-2020  Igara Studio S.A.
 //
 // This program is distributed under the terms of
 // the End-User License Agreement for Aseprite.
@@ -11,6 +11,7 @@
 #include "app/task.h"
 
 #include "base/task.h"
+#include "base/thread.h"
 #include "base/thread_pool.h"
 
 namespace app {
@@ -32,4 +33,12 @@ void Task::run(base::task::func_t&& func)
   m_token = &m_task.start(tasks_pool);
 }
 
+void Task::wait()
+{
+  // TODO wait a condition variable
+  while (!m_task.completed()) {
+    base::this_thread::sleep_for(0.1);
+  }
+}
+
 } // namespace app

src/app/task.h

@@ -1,5 +1,5 @@
 // Aseprite
-// Copyright (C) 2019  Igara Studio S.A.
+// Copyright (C) 2019-2020  Igara Studio S.A.
 //
 // This program is distributed under the terms of
 // the End-User License Agreement for Aseprite.
@@ -20,6 +20,7 @@ namespace app {
     ~Task();
 
     void run(base::task::func_t&& func);
+    void wait();
 
     // Returns true when the task is completed (whether it was
     // canceled or not)
@@ -27,6 +28,10 @@ namespace app {
       return m_task.completed();
     }
 
+    bool running() const {
+      return m_task.running();
+    }
+
     bool canceled() const {
       if (m_token)
         return m_token->canceled();

src/main/main.cpp

@@ -1,5 +1,5 @@
 // Aseprite
-// Copyright (C) 2019  Igara Studio S.A.
+// Copyright (C) 2019-2020  Igara Studio S.A.
 // Copyright (C) 2001-2016  David Capello
 //
 // This program is distributed under the terms of
@@ -59,7 +59,7 @@ int app_main(int argc, char* argv[])
   std::srand(static_cast<unsigned int>(std::time(nullptr)));
 
 #ifdef _WIN32
-  ::CoInitialize(NULL);
+  ::CoInitialize(nullptr);
 #endif
 
   try {
@@ -70,11 +70,12 @@ int app_main(int argc, char* argv[])
     os::ScopedHandle<os::System> system(os::create_system());
     app::App app;
 
-    // Change the name of the memory dump file
+    // Change the memory dump filename to save on disk (.dmp
+    // file). Note: Only useful on Windows.
     {
-      const std::string filename = app::memory_dump_filename();
-      if (!filename.empty())
-        memoryDump.setFileName(filename);
+      const std::string fn = app::SendCrash::DefaultMemoryDumpFilename();
+      if (!fn.empty())
+        memoryDump.setFileName(fn);
     }
 
     const int code = app.initialize(options);