import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

dom/plugins/ipc/PluginProcessParent.h

@@ -0,0 +1,94 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ * vim: sw=4 ts=4 et :
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef dom_plugins_PluginProcessParent_h
+#define dom_plugins_PluginProcessParent_h 1
+
+#include "mozilla/Attributes.h"
+#include "base/basictypes.h"
+
+#include "base/file_path.h"
+#include "base/task.h"
+#include "base/thread.h"
+#include "chrome/common/child_process_host.h"
+
+#include "mozilla/ipc/GeckoChildProcessHost.h"
+#include "mozilla/ipc/TaskFactory.h"
+#include "mozilla/UniquePtr.h"
+#include "nsCOMPtr.h"
+#include "nsIRunnable.h"
+
+namespace mozilla {
+namespace plugins {
+
+class LaunchCompleteTask : public Runnable
+{
+public:
+    LaunchCompleteTask()
+        : mLaunchSucceeded(false)
+    {
+    }
+
+    void SetLaunchSucceeded() { mLaunchSucceeded = true; }
+
+protected:
+    bool mLaunchSucceeded;
+};
+
+class PluginProcessParent : public mozilla::ipc::GeckoChildProcessHost
+{
+public:
+    explicit PluginProcessParent(const std::string& aPluginFilePath);
+    ~PluginProcessParent();
+
+    /**
+     * Launch the plugin process. If the process fails to launch,
+     * this method will return false.
+     *
+     * @param aLaunchCompleteTask Task that is executed on the main
+     * thread once the asynchonous launch has completed.
+     * @param aSandboxLevel Determines the strength of the sandbox.
+     * <= 0 means no sandbox.
+     */
+    bool Launch(UniquePtr<LaunchCompleteTask> aLaunchCompleteTask = UniquePtr<LaunchCompleteTask>(),
+                int32_t aSandboxLevel = 0);
+
+    void Delete();
+
+    virtual bool CanShutdown() override
+    {
+        return true;
+    }
+
+    const std::string& GetPluginFilePath() { return mPluginFilePath; }
+
+    using mozilla::ipc::GeckoChildProcessHost::GetChannel;
+
+    void SetCallRunnableImmediately(bool aCallImmediately);
+    virtual bool WaitUntilConnected(int32_t aTimeoutMs = 0) override;
+
+    virtual void OnChannelConnected(int32_t peer_pid) override;
+    virtual void OnChannelError() override;
+
+    bool IsConnected();
+
+private:
+    void RunLaunchCompleteTask();
+
+    std::string mPluginFilePath;
+    ipc::TaskFactory<PluginProcessParent> mTaskFactory;
+    UniquePtr<LaunchCompleteTask> mLaunchCompleteTask;
+    MessageLoop* mMainMsgLoop;
+    bool mRunCompleteTaskImmediately;
+
+    DISALLOW_EVIL_CONSTRUCTORS(PluginProcessParent);
+};
+
+
+} // namespace plugins
+} // namespace mozilla
+
+#endif // ifndef dom_plugins_PluginProcessParent_h