ios/web/webui/web_ui_ios_impl.h

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef IOS_WEB_WEBUI_WEB_UI_IOS_IMPL_H_
   6 #define IOS_WEB_WEBUI_WEB_UI_IOS_IMPL_H_
   7
   8 #include <map>
   9
  10 #include "base/compiler_specific.h"
  11 #include "base/memory/scoped_vector.h"
  12 #include "base/memory/weak_ptr.h"
  13 #include "ios/public/provider/web/web_ui_ios.h"
  14
  15 namespace web {
  16 class WebStateImpl;
  17 }
  18
  19 namespace web {
  20
  21 class WebUIIOSImpl : public web::WebUIIOS,
  22                      public base::SupportsWeakPtr<WebUIIOSImpl> {
  23  public:
  24   explicit WebUIIOSImpl(WebStateImpl* web_state);
  25   ~WebUIIOSImpl() override;
  26
  27   // WebUIIOS implementation:
  28   WebState* GetWebState() const override;
  29   WebUIIOSController* GetController() const override;
  30   void SetController(WebUIIOSController* controller) override;
  31   void AddMessageHandler(WebUIIOSMessageHandler* handler) override;
  32   typedef base::Callback<void(const base::ListValue*)> MessageCallback;
  33   void RegisterMessageCallback(const std::string& message,
  34                                const MessageCallback& callback) override;
  35   void ProcessWebUIIOSMessage(const GURL& source_url,
  36                               const std::string& message,
  37                               const base::ListValue& args) override;
  38   void CallJavascriptFunction(const std::string& function_name) override;
  39   void CallJavascriptFunction(const std::string& function_name,
  40                               const base::Value& arg) override;
  41   void CallJavascriptFunction(const std::string& function_name,
  42                               const base::Value& arg1,
  43                               const base::Value& arg2) override;
  44   void CallJavascriptFunction(const std::string& function_name,
  45                               const base::Value& arg1,
  46                               const base::Value& arg2,
  47                               const base::Value& arg3) override;
  48   void CallJavascriptFunction(const std::string& function_name,
  49                               const base::Value& arg1,
  50                               const base::Value& arg2,
  51                               const base::Value& arg3,
  52                               const base::Value& arg4) override;
  53   void CallJavascriptFunction(
  54       const std::string& function_name,
  55       const std::vector<const base::Value*>& args) override;
  56
  57  private:
  58   // Executes JavaScript asynchronously on the page.
  59   void ExecuteJavascript(const base::string16& javascript);
  60
  61   // A map of message name -> message handling callback.
  62   typedef std::map<std::string, MessageCallback> MessageCallbackMap;
  63   MessageCallbackMap message_callbacks_;
  64
  65   // The WebUIIOSMessageHandlers we own.
  66   ScopedVector<WebUIIOSMessageHandler> handlers_;
  67
  68   // Non-owning pointer to the WebStateImpl this WebUIIOS is associated with.
  69   WebStateImpl* web_state_;
  70
  71   scoped_ptr<WebUIIOSController> controller_;
  72
  73   DISALLOW_COPY_AND_ASSIGN(WebUIIOSImpl);
  74 };
  75
  76 }  // namespace web
  77
  78 #endif  // IOS_WEB_WEBUI_WEB_UI_IOS_IMPL_H_