content/browser/devtools/protocol/emulation_handler.h

   1 // Copyright 2015 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 CONTENT_BROWSER_DEVTOOLS_PROTOCOL_EMULATION_HANDLER_H_
   6 #define CONTENT_BROWSER_DEVTOOLS_PROTOCOL_EMULATION_HANDLER_H_
   7
   8 #include "content/browser/devtools/protocol/devtools_protocol_handler.h"
   9 #include "content/browser/devtools/protocol/page_handler.h"
  10 #include "third_party/WebKit/public/web/WebDeviceEmulationParams.h"
  11
  12 namespace content {
  13
  14 class RenderFrameHostImpl;
  15 class WebContentsImpl;
  16
  17 namespace devtools {
  18
  19 namespace page { class PageHandler; }
  20
  21 namespace emulation {
  22
  23 class EmulationHandler : public page::PageHandler::ScreencastListener {
  24  public:
  25   using Response = DevToolsProtocolClient::Response;
  26
  27   explicit EmulationHandler(page::PageHandler* page_handler);
  28   ~EmulationHandler() override;
  29
  30   // page::PageHandler::ScreencastListener implementation.
  31   void ScreencastEnabledChanged() override;
  32
  33   void SetRenderFrameHost(RenderFrameHostImpl* host);
  34   void Detached();
  35
  36   Response SetGeolocationOverride(double* latitude,
  37                                   double* longitude,
  38                                   double* accuracy);
  39   Response ClearGeolocationOverride();
  40
  41   Response SetTouchEmulationEnabled(bool enabled,
  42                                     const std::string* configuration);
  43
  44   Response CanEmulate(bool* result);
  45   Response SetDeviceMetricsOverride(int width,
  46                                     int height,
  47                                     double device_scale_factor,
  48                                     bool mobile,
  49                                     bool fit_window,
  50                                     const double* optional_scale,
  51                                     const double* optional_offset_x,
  52                                     const double* optional_offset_y);
  53   Response ClearDeviceMetricsOverride();
  54
  55  private:
  56   WebContentsImpl* GetWebContents();
  57   void UpdateTouchEventEmulationState();
  58   void UpdateDeviceEmulationState();
  59
  60   bool touch_emulation_enabled_;
  61   std::string touch_emulation_configuration_;
  62
  63   bool device_emulation_enabled_;
  64   blink::WebDeviceEmulationParams device_emulation_params_;
  65
  66   page::PageHandler* page_handler_;
  67   RenderFrameHostImpl* host_;
  68
  69   DISALLOW_COPY_AND_ASSIGN(EmulationHandler);
  70 };
  71
  72 }  // namespace emulation
  73 }  // namespace devtools
  74 }  // namespace content
  75
  76 #endif  // CONTENT_BROWSER_DEVTOOLS_PROTOCOL_EMULATION_HANDLER_H_