extensions/browser/api/virtual_keyboard_private/virtual_keyboard_private_api.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 "extensions/browser/api/virtual_keyboard_private/virtual_keyboard_private_api.h"
   6
   7 #include "base/lazy_instance.h"
   8 #include "base/strings/string16.h"
   9 #include "extensions/browser/api/extensions_api_client.h"
  10 #include "extensions/browser/api/virtual_keyboard_private/virtual_keyboard_delegate.h"
  11 #include "extensions/browser/extension_function_registry.h"
  12 #include "extensions/common/api/virtual_keyboard_private.h"
  13 #include "ui/events/event.h"
  14
  15 namespace SetMode = extensions::api::virtual_keyboard_private::SetMode;
  16
  17 namespace extensions {
  18
  19 namespace {
  20
  21 const char kNotYetImplementedError[] =
  22     "API is not implemented on this platform.";
  23 const char kVirtualKeyboardNotEnabled[] =
  24     "The virtual keyboard is not enabled.";
  25
  26 typedef BrowserContextKeyedAPIFactory<VirtualKeyboardAPI> factory;
  27
  28 VirtualKeyboardDelegate* GetDelegate(SyncExtensionFunction* f) {
  29   VirtualKeyboardAPI* api = factory::Get(f->browser_context());
  30   DCHECK(api);
  31   return api ? api->delegate() : nullptr;
  32 }
  33
  34 }  // namespace
  35
  36 bool VirtualKeyboardPrivateInsertTextFunction::RunSync() {
  37   VirtualKeyboardDelegate* delegate = GetDelegate(this);
  38   if (delegate) {
  39     base::string16 text;
  40     EXTENSION_FUNCTION_VALIDATE(args_->GetString(0, &text));
  41     return delegate->InsertText(text);
  42   }
  43   error_ = kNotYetImplementedError;
  44   return false;
  45 }
  46
  47 bool VirtualKeyboardPrivateSendKeyEventFunction::RunSync() {
  48   VirtualKeyboardDelegate* delegate = GetDelegate(this);
  49   if (delegate) {
  50     base::Value* options_value = nullptr;
  51     base::DictionaryValue* params = nullptr;
  52     std::string type;
  53     int char_value;
  54     int key_code;
  55     std::string key_name;
  56     int modifiers;
  57
  58     EXTENSION_FUNCTION_VALIDATE(args_->Get(0, &options_value));
  59     EXTENSION_FUNCTION_VALIDATE(options_value->GetAsDictionary(&params));
  60     EXTENSION_FUNCTION_VALIDATE(params->GetString("type", &type));
  61     EXTENSION_FUNCTION_VALIDATE(params->GetInteger("charValue", &char_value));
  62     EXTENSION_FUNCTION_VALIDATE(params->GetInteger("keyCode", &key_code));
  63     EXTENSION_FUNCTION_VALIDATE(params->GetString("keyName", &key_name));
  64     EXTENSION_FUNCTION_VALIDATE(params->GetInteger("modifiers", &modifiers));
  65     return delegate->SendKeyEvent(
  66         type, char_value, key_code, key_name, modifiers);
  67   }
  68   error_ = kNotYetImplementedError;
  69   return false;
  70 }
  71
  72 bool VirtualKeyboardPrivateHideKeyboardFunction::RunSync() {
  73   VirtualKeyboardDelegate* delegate = GetDelegate(this);
  74   if (delegate)
  75     return delegate->HideKeyboard();
  76   error_ = kNotYetImplementedError;
  77   return false;
  78 }
  79
  80 bool VirtualKeyboardPrivateLockKeyboardFunction::RunSync() {
  81   VirtualKeyboardDelegate* delegate = GetDelegate(this);
  82   if (delegate) {
  83     bool lock;
  84     EXTENSION_FUNCTION_VALIDATE(args_->GetBoolean(0, &lock));
  85     return delegate->LockKeyboard(lock);
  86   }
  87   error_ = kNotYetImplementedError;
  88   return false;
  89 }
  90
  91 bool VirtualKeyboardPrivateKeyboardLoadedFunction::RunSync() {
  92   VirtualKeyboardDelegate* delegate = GetDelegate(this);
  93   if (delegate)
  94     return delegate->OnKeyboardLoaded();
  95   error_ = kNotYetImplementedError;
  96   return false;
  97 }
  98
  99 bool VirtualKeyboardPrivateGetKeyboardConfigFunction::RunSync() {
 100   VirtualKeyboardDelegate* delegate = GetDelegate(this);
 101   if (delegate) {
 102     base::DictionaryValue* results = new base::DictionaryValue();
 103     if (delegate->GetKeyboardConfig(results)) {
 104       SetResult(results);
 105       return true;
 106     }
 107   }
 108   return false;
 109 }
 110
 111 bool VirtualKeyboardPrivateOpenSettingsFunction::RunSync() {
 112   VirtualKeyboardDelegate* delegate = GetDelegate(this);
 113   if (delegate) {
 114     if (delegate->IsLanguageSettingsEnabled())
 115       return delegate->ShowLanguageSettings();
 116     return false;
 117   }
 118   error_ = kNotYetImplementedError;
 119   return false;
 120 }
 121
 122 bool VirtualKeyboardPrivateSetModeFunction::RunSync() {
 123   VirtualKeyboardDelegate* delegate = GetDelegate(this);
 124   if (delegate) {
 125     scoped_ptr<SetMode::Params> params = SetMode::Params::Create(*args_);
 126     EXTENSION_FUNCTION_VALIDATE(params);
 127     if (!delegate->SetVirtualKeyboardMode(params->mode)) {
 128       error_ = kVirtualKeyboardNotEnabled;
 129       return false;
 130     } else {
 131       return true;
 132     }
 133   }
 134   error_ = kNotYetImplementedError;
 135   return false;
 136 }
 137
 138 VirtualKeyboardAPI::VirtualKeyboardAPI(content::BrowserContext* context) {
 139   delegate_ =
 140       extensions::ExtensionsAPIClient::Get()->CreateVirtualKeyboardDelegate();
 141 }
 142
 143 VirtualKeyboardAPI::~VirtualKeyboardAPI() {
 144 }
 145
 146 static base::LazyInstance<BrowserContextKeyedAPIFactory<VirtualKeyboardAPI>>
 147     g_factory = LAZY_INSTANCE_INITIALIZER;
 148
 149 // static
 150 BrowserContextKeyedAPIFactory<VirtualKeyboardAPI>*
 151 VirtualKeyboardAPI::GetFactoryInstance() {
 152   return g_factory.Pointer();
 153 }
 154
 155 }  // namespace extensions