Add m-esr52 at 52.6.0

1 files changed, 196 insertions, 0 deletions

diff --git a/uriloader/exthandler/nsMIMEInfoImpl.h b/uriloader/exthandler/nsMIMEInfoImpl.h
new file mode 100644
index 000000000..34f244242
--- /dev/null
+++ b/uriloader/exthandler/nsMIMEInfoImpl.h
@@ -0,0 +1,196 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* vim:set ts=4 sw=4 sts=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 __nsmimeinfoimpl_h___
+#define __nsmimeinfoimpl_h___
+
+#include "nsIMIMEInfo.h"
+#include "nsIAtom.h"
+#include "nsString.h"
+#include "nsTArray.h"
+#include "nsIMutableArray.h"
+#include "nsIFile.h"
+#include "nsCOMPtr.h"
+#include "nsIURI.h"
+#include "nsIProcess.h"
+
+/** 
+ * UTF8 moz-icon URI string for the default handler application's icon, if 
+ * available.
+ */
+#define PROPERTY_DEFAULT_APP_ICON_URL "defaultApplicationIconURL"
+/** 
+ * UTF8 moz-icon URI string for the user's preferred handler application's 
+ * icon, if available.
+ */
+#define PROPERTY_CUSTOM_APP_ICON_URL "customApplicationIconURL"
+
+/**
+ * Basic implementation of nsIMIMEInfo. Incomplete - it is meant to be
+ * subclassed, and GetHasDefaultHandler as well as LaunchDefaultWithFile need to
+ * be implemented.
+ */
+class nsMIMEInfoBase : public nsIMIMEInfo {
+  public:
+    NS_DECL_THREADSAFE_ISUPPORTS
+
+    // I'd use NS_DECL_NSIMIMEINFO, but I don't want GetHasDefaultHandler
+    NS_IMETHOD GetFileExtensions(nsIUTF8StringEnumerator **_retval) override;
+    NS_IMETHOD SetFileExtensions(const nsACString & aExtensions) override;
+    NS_IMETHOD ExtensionExists(const nsACString & aExtension, bool *_retval) override;
+    NS_IMETHOD AppendExtension(const nsACString & aExtension) override;
+    NS_IMETHOD GetPrimaryExtension(nsACString & aPrimaryExtension) override;
+    NS_IMETHOD SetPrimaryExtension(const nsACString & aPrimaryExtension) override;
+    NS_IMETHOD GetType(nsACString & aType) override;
+    NS_IMETHOD GetMIMEType(nsACString & aMIMEType) override;
+    NS_IMETHOD GetDescription(nsAString & aDescription) override;
+    NS_IMETHOD SetDescription(const nsAString & aDescription) override;
+    NS_IMETHOD Equals(nsIMIMEInfo *aMIMEInfo, bool *_retval) override;
+    NS_IMETHOD GetPreferredApplicationHandler(nsIHandlerApp * *aPreferredAppHandler) override;
+    NS_IMETHOD SetPreferredApplicationHandler(nsIHandlerApp * aPreferredAppHandler) override;
+    NS_IMETHOD GetPossibleApplicationHandlers(nsIMutableArray * *aPossibleAppHandlers) override;
+    NS_IMETHOD GetDefaultDescription(nsAString & aDefaultDescription) override;
+    NS_IMETHOD LaunchWithFile(nsIFile *aFile) override;
+    NS_IMETHOD LaunchWithURI(nsIURI *aURI,
+                             nsIInterfaceRequestor *aWindowContext) override;
+    NS_IMETHOD GetPreferredAction(nsHandlerInfoAction *aPreferredAction) override;
+    NS_IMETHOD SetPreferredAction(nsHandlerInfoAction aPreferredAction) override;
+    NS_IMETHOD GetAlwaysAskBeforeHandling(bool *aAlwaysAskBeforeHandling) override;
+    NS_IMETHOD SetAlwaysAskBeforeHandling(bool aAlwaysAskBeforeHandling) override; 
+    NS_IMETHOD GetPossibleLocalHandlers(nsIArray **_retval) override; 
+
+    enum HandlerClass {
+      eMIMEInfo,
+      eProtocolInfo
+    };
+
+    // nsMIMEInfoBase methods
+    explicit nsMIMEInfoBase(const char *aMIMEType = "");
+    explicit nsMIMEInfoBase(const nsACString& aMIMEType);
+    nsMIMEInfoBase(const nsACString& aType, HandlerClass aClass);
+
+    void SetMIMEType(const nsACString & aMIMEType) { mSchemeOrType = aMIMEType; }
+
+    void SetDefaultDescription(const nsString& aDesc) { mDefaultAppDescription = aDesc; }
+
+    /**
+     * Copies basic data of this MIME Info Implementation to the given other
+     * MIME Info. The data consists of the MIME Type, the (default) description,
+     * the MacOS type and creator, and the extension list (this object's
+     * extension list will replace aOther's list, not append to it). This
+     * function also ensures that aOther's primary extension will be the same as
+     * the one of this object.
+     */
+    void CopyBasicDataTo(nsMIMEInfoBase* aOther);
+
+    /**
+     * Return whether this MIMEInfo has any extensions
+     */
+    bool HasExtensions() const { return mExtensions.Length() != 0; }
+
+  protected:
+    virtual ~nsMIMEInfoBase();        // must be virtual, as the the base class's Release should call the subclass's destructor
+
+    /**
+     * Launch the default application for the given file.
+     * For even more control over the launching, override launchWithFile.
+     * Also see the comment about nsIMIMEInfo in general, above.
+     *
+     * @param aFile The file that should be opened
+     */
+    virtual nsresult LaunchDefaultWithFile(nsIFile* aFile) = 0;
+
+    /**
+     * Loads the URI with the OS default app.
+     *
+     * @param aURI The URI to pass off to the OS.
+     */
+    virtual nsresult LoadUriInternal(nsIURI *aURI) = 0;
+
+    static already_AddRefed<nsIProcess> InitProcess(nsIFile* aApp,
+                                                    nsresult* aResult);
+
+    /**
+     * This method can be used to launch the file or URI with a single 
+     * argument (typically either a file path or a URI spec).  This is 
+     * meant as a helper method for implementations of
+     * LaunchWithURI/LaunchDefaultWithFile.
+     *
+     * @param aApp The application to launch (may not be null)
+     * @param aArg The argument to pass on the command line
+     */
+    static nsresult LaunchWithIProcess(nsIFile* aApp,
+                                                   const nsCString &aArg);
+    static nsresult LaunchWithIProcess(nsIFile* aApp,
+                                                   const nsString &aArg);
+
+    /**
+     * Given a file: nsIURI, return the associated nsIFile
+     *
+     * @param  aURI      the file: URI in question
+     * @param  aFile     the associated nsIFile (out param)
+     */
+    static nsresult GetLocalFileFromURI(nsIURI *aURI,
+                                                    nsIFile **aFile);
+
+    // member variables
+    nsTArray<nsCString>    mExtensions; ///< array of file extensions associated w/ this MIME obj
+    nsString               mDescription; ///< human readable description
+    nsCString              mSchemeOrType;
+    HandlerClass           mClass;
+    nsCOMPtr<nsIHandlerApp> mPreferredApplication;
+    nsCOMPtr<nsIMutableArray> mPossibleApplications;
+    nsHandlerInfoAction    mPreferredAction; ///< preferred action to associate with this type
+    nsString               mPreferredAppDescription;
+    nsString               mDefaultAppDescription;
+    bool                   mAlwaysAskBeforeHandling;
+};
+
+
+/**
+ * This is a complete implementation of nsIMIMEInfo, and contains all necessary
+ * methods. However, depending on your platform you may want to use a different
+ * way of launching applications. This class stores the default application in a
+ * member variable and provides a function for setting it. For local
+ * applications, launching is done using nsIProcess, native path of the file to
+ * open as first argument.
+ */
+class nsMIMEInfoImpl : public nsMIMEInfoBase {
+  public:
+    explicit nsMIMEInfoImpl(const char *aMIMEType = "") : nsMIMEInfoBase(aMIMEType) {}
+    explicit nsMIMEInfoImpl(const nsACString& aMIMEType) : nsMIMEInfoBase(aMIMEType) {}
+    nsMIMEInfoImpl(const nsACString& aType, HandlerClass aClass) :
+      nsMIMEInfoBase(aType, aClass) {}
+    virtual ~nsMIMEInfoImpl() {}
+
+    // nsIMIMEInfo methods
+    NS_IMETHOD GetHasDefaultHandler(bool *_retval);
+    NS_IMETHOD GetDefaultDescription(nsAString& aDefaultDescription);
+
+    // additional methods
+    /**
+     * Sets the default application. Supposed to be only called by the OS Helper
+     * App Services; the default application is immutable after it is first set.
+     */
+    void SetDefaultApplication(nsIFile* aApp) { if (!mDefaultApplication) mDefaultApplication = aApp; }
+
+  protected:
+    // nsMIMEInfoBase methods
+    /**
+     * The base class implementation is to use LaunchWithIProcess in combination
+     * with mDefaultApplication. Subclasses can override that behaviour.
+     */
+    virtual nsresult LaunchDefaultWithFile(nsIFile* aFile);
+
+    /**
+     * Loads the URI with the OS default app.  This should be overridden by each
+     * OS's implementation.
+     */
+    virtual nsresult LoadUriInternal(nsIURI *aURI) = 0;
+
+    nsCOMPtr<nsIFile>      mDefaultApplication; ///< default application associated with this type.
+};
+
+#endif //__nsmimeinfoimpl_h___