src/chrome/test/chromedriver/chrome/mobile_emulation_override_manager.cc

   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 #include "base/values.h"
   6 #include "chrome/test/chromedriver/chrome/device_metrics.h"
   7 #include "chrome/test/chromedriver/chrome/devtools_client.h"
   8 #include "chrome/test/chromedriver/chrome/mobile_emulation_override_manager.h"
   9 #include "chrome/test/chromedriver/chrome/status.h"
  10 #include "chrome/test/chromedriver/chrome/version.h"
  11
  12 MobileEmulationOverrideManager::MobileEmulationOverrideManager(
  13     DevToolsClient* client,
  14     const DeviceMetrics* device_metrics,
  15     const BrowserInfo* browser_info)
  16     : client_(client),
  17       overridden_device_metrics_(device_metrics),
  18       browser_info_(browser_info) {
  19   if (overridden_device_metrics_)
  20     client_->AddListener(this);
  21 }
  22
  23 MobileEmulationOverrideManager::~MobileEmulationOverrideManager() {
  24 }
  25
  26 Status MobileEmulationOverrideManager::OnConnected(DevToolsClient* client) {
  27   return ApplyOverrideIfNeeded();
  28 }
  29
  30 Status MobileEmulationOverrideManager::OnEvent(
  31     DevToolsClient* client,
  32     const std::string& method,
  33     const base::DictionaryValue& params) {
  34   if (method == "Page.frameNavigated") {
  35     const base::Value* unused_value;
  36     if (!params.Get("frame.parentId", &unused_value))
  37       return ApplyOverrideIfNeeded();
  38   }
  39   return Status(kOk);
  40 }
  41
  42 Status MobileEmulationOverrideManager::ApplyOverrideIfNeeded() {
  43   if (overridden_device_metrics_ == NULL)
  44     return Status(kOk);
  45
  46   // Old revisions of Blink expect a parameter named |emulateViewport| but in
  47   // Blink revision 177367 (Chromium revision 281046, build number 2081) this
  48   // was renamed to |mobile|.
  49   std::string mobile_param_name = "mobile";
  50   if (browser_info_->browser_name == "chrome") {
  51     if (browser_info_->build_no <= 2081)
  52       mobile_param_name = "emulateViewport";
  53   } else {
  54     if (browser_info_->blink_revision < 177367)
  55       mobile_param_name = "emulateViewport";
  56   }
  57
  58   base::DictionaryValue params;
  59   params.SetInteger("width", overridden_device_metrics_->width);
  60   params.SetInteger("height", overridden_device_metrics_->height);
  61   params.SetDouble("deviceScaleFactor",
  62                    overridden_device_metrics_->device_scale_factor);
  63   params.SetBoolean(mobile_param_name, overridden_device_metrics_->mobile);
  64   params.SetBoolean("fitWindow", overridden_device_metrics_->fit_window);
  65   params.SetBoolean("textAutosizing",
  66                     overridden_device_metrics_->text_autosizing);
  67   params.SetDouble("fontScaleFactor",
  68                    overridden_device_metrics_->font_scale_factor);
  69   return client_->SendCommand("Page.setDeviceMetricsOverride", params);
  70 }