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| 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 "chrome/browser/guest_view/extension_options/extension_options_guest.h" | |
| 6 | |
| 7 #include "base/values.h" | |
| 8 #include "chrome/browser/extensions/chrome_extension_web_contents_observer.h" | |
| 9 #include "chrome/browser/extensions/extension_tab_util.h" | |
| 10 #include "chrome/browser/guest_view/extension_options/extension_options_constant
s.h" | |
| 11 #include "chrome/browser/profiles/profile.h" | |
| 12 #include "chrome/browser/renderer_context_menu/render_view_context_menu.h" | |
| 13 #include "chrome/browser/ui/browser.h" | |
| 14 #include "chrome/browser/ui/browser_finder.h" | |
| 15 #include "chrome/browser/ui/browser_window.h" | |
| 16 #include "chrome/browser/ui/tabs/tab_strip_model.h" | |
| 17 #include "chrome/common/extensions/api/extension_options_internal.h" | |
| 18 #include "components/crx_file/id_util.h" | |
| 19 #include "components/renderer_context_menu/context_menu_delegate.h" | |
| 20 #include "content/public/browser/render_process_host.h" | |
| 21 #include "content/public/browser/site_instance.h" | |
| 22 #include "content/public/browser/web_contents.h" | |
| 23 #include "extensions/browser/extension_function_dispatcher.h" | |
| 24 #include "extensions/browser/extension_registry.h" | |
| 25 #include "extensions/browser/guest_view/guest_view_manager.h" | |
| 26 #include "extensions/common/constants.h" | |
| 27 #include "extensions/common/extension.h" | |
| 28 #include "extensions/common/extension_messages.h" | |
| 29 #include "extensions/common/feature_switch.h" | |
| 30 #include "extensions/common/manifest_handlers/options_page_info.h" | |
| 31 #include "extensions/common/permissions/permissions_data.h" | |
| 32 #include "extensions/strings/grit/extensions_strings.h" | |
| 33 #include "ipc/ipc_message_macros.h" | |
| 34 | |
| 35 using content::WebContents; | |
| 36 using namespace extensions::api; | |
| 37 | |
| 38 // static | |
| 39 const char ExtensionOptionsGuest::Type[] = "extensionoptions"; | |
| 40 | |
| 41 ExtensionOptionsGuest::ExtensionOptionsGuest( | |
| 42 content::BrowserContext* browser_context, | |
| 43 int guest_instance_id) | |
| 44 : GuestView<ExtensionOptionsGuest>(browser_context, guest_instance_id) { | |
| 45 } | |
| 46 | |
| 47 ExtensionOptionsGuest::~ExtensionOptionsGuest() { | |
| 48 } | |
| 49 | |
| 50 // static | |
| 51 extensions::GuestViewBase* ExtensionOptionsGuest::Create( | |
| 52 content::BrowserContext* browser_context, | |
| 53 int guest_instance_id) { | |
| 54 if (!extensions::FeatureSwitch::embedded_extension_options()->IsEnabled()) { | |
| 55 return NULL; | |
| 56 } | |
| 57 return new ExtensionOptionsGuest(browser_context, guest_instance_id); | |
| 58 } | |
| 59 | |
| 60 void ExtensionOptionsGuest::CreateWebContents( | |
| 61 const std::string& embedder_extension_id, | |
| 62 int embedder_render_process_id, | |
| 63 const base::DictionaryValue& create_params, | |
| 64 const WebContentsCreatedCallback& callback) { | |
| 65 // Get the extension's base URL. | |
| 66 std::string extension_id; | |
| 67 create_params.GetString(extensionoptions::kExtensionId, &extension_id); | |
| 68 | |
| 69 if (!crx_file::id_util::IdIsValid(extension_id)) { | |
| 70 callback.Run(NULL); | |
| 71 return; | |
| 72 } | |
| 73 | |
| 74 if (crx_file::id_util::IdIsValid(embedder_extension_id) && | |
| 75 extension_id != embedder_extension_id) { | |
| 76 // Extensions cannot embed other extensions' options pages. | |
| 77 callback.Run(NULL); | |
| 78 return; | |
| 79 } | |
| 80 | |
| 81 GURL extension_url = | |
| 82 extensions::Extension::GetBaseURLFromExtensionId(extension_id); | |
| 83 if (!extension_url.is_valid()) { | |
| 84 callback.Run(NULL); | |
| 85 return; | |
| 86 } | |
| 87 | |
| 88 // Get the options page URL for later use. | |
| 89 extensions::ExtensionRegistry* registry = | |
| 90 extensions::ExtensionRegistry::Get(browser_context()); | |
| 91 const extensions::Extension* extension = | |
| 92 registry->enabled_extensions().GetByID(extension_id); | |
| 93 options_page_ = extensions::OptionsPageInfo::GetOptionsPage(extension); | |
| 94 if (!options_page_.is_valid()) { | |
| 95 callback.Run(NULL); | |
| 96 return; | |
| 97 } | |
| 98 | |
| 99 // Create a WebContents using the extension URL. The options page's | |
| 100 // WebContents should live in the same process as its parent extension's | |
| 101 // WebContents, so we can use |extension_url| for creating the SiteInstance. | |
| 102 content::SiteInstance* options_site_instance = | |
| 103 content::SiteInstance::CreateForURL(browser_context(), extension_url); | |
| 104 WebContents::CreateParams params(browser_context(), options_site_instance); | |
| 105 params.guest_delegate = this; | |
| 106 callback.Run(WebContents::Create(params)); | |
| 107 } | |
| 108 | |
| 109 void ExtensionOptionsGuest::DidAttachToEmbedder() { | |
| 110 SetUpAutoSize(); | |
| 111 web_contents()->GetController().LoadURL(options_page_, | |
| 112 content::Referrer(), | |
| 113 content::PAGE_TRANSITION_LINK, | |
| 114 std::string()); | |
| 115 } | |
| 116 | |
| 117 void ExtensionOptionsGuest::DidInitialize() { | |
| 118 extension_function_dispatcher_.reset( | |
| 119 new extensions::ExtensionFunctionDispatcher(browser_context(), this)); | |
| 120 extensions::ChromeExtensionWebContentsObserver::CreateForWebContents( | |
| 121 web_contents()); | |
| 122 } | |
| 123 | |
| 124 void ExtensionOptionsGuest::DidStopLoading() { | |
| 125 scoped_ptr<base::DictionaryValue> args(new base::DictionaryValue()); | |
| 126 DispatchEventToEmbedder(new extensions::GuestViewBase::Event( | |
| 127 extensions::api::extension_options_internal::OnLoad::kEventName, | |
| 128 args.Pass())); | |
| 129 } | |
| 130 | |
| 131 const char* ExtensionOptionsGuest::GetAPINamespace() const { | |
| 132 return extensionoptions::kAPINamespace; | |
| 133 } | |
| 134 | |
| 135 int ExtensionOptionsGuest::GetTaskPrefix() const { | |
| 136 return IDS_EXTENSION_TASK_MANAGER_EXTENSIONOPTIONS_TAG_PREFIX; | |
| 137 } | |
| 138 | |
| 139 void ExtensionOptionsGuest::GuestSizeChangedDueToAutoSize( | |
| 140 const gfx::Size& old_size, | |
| 141 const gfx::Size& new_size) { | |
| 142 scoped_ptr<base::DictionaryValue> args(new base::DictionaryValue()); | |
| 143 args->SetInteger(extensionoptions::kNewWidth, new_size.width()); | |
| 144 args->SetInteger(extensionoptions::kNewHeight, new_size.height()); | |
| 145 args->SetInteger(extensionoptions::kOldWidth, old_size.width()); | |
| 146 args->SetInteger(extensionoptions::kOldHeight, old_size.height()); | |
| 147 DispatchEventToEmbedder(new extensions::GuestViewBase::Event( | |
| 148 extension_options_internal::OnSizeChanged::kEventName, args.Pass())); | |
| 149 } | |
| 150 | |
| 151 bool ExtensionOptionsGuest::IsAutoSizeSupported() const { | |
| 152 return true; | |
| 153 } | |
| 154 | |
| 155 content::WebContents* ExtensionOptionsGuest::GetAssociatedWebContents() const { | |
| 156 return web_contents(); | |
| 157 } | |
| 158 | |
| 159 content::WebContents* ExtensionOptionsGuest::OpenURLFromTab( | |
| 160 content::WebContents* source, | |
| 161 const content::OpenURLParams& params) { | |
| 162 Browser* browser = | |
| 163 chrome::FindBrowserWithWebContents(embedder_web_contents()); | |
| 164 | |
| 165 // Don't allow external URLs with the CURRENT_TAB disposition be opened in | |
| 166 // this guest view, change the disposition to NEW_FOREGROUND_TAB. | |
| 167 if ((!params.url.SchemeIs(extensions::kExtensionScheme) || | |
| 168 params.url.host() != options_page_.host()) && | |
| 169 params.disposition == CURRENT_TAB) { | |
| 170 return browser->OpenURL( | |
| 171 content::OpenURLParams(params.url, | |
| 172 params.referrer, | |
| 173 params.frame_tree_node_id, | |
| 174 NEW_FOREGROUND_TAB, | |
| 175 params.transition, | |
| 176 params.is_renderer_initiated)); | |
| 177 } | |
| 178 return browser->OpenURL(params); | |
| 179 } | |
| 180 | |
| 181 void ExtensionOptionsGuest::CloseContents(content::WebContents* source) { | |
| 182 DispatchEventToEmbedder(new extensions::GuestViewBase::Event( | |
| 183 extension_options_internal::OnClose::kEventName, | |
| 184 make_scoped_ptr(new base::DictionaryValue()))); | |
| 185 } | |
| 186 | |
| 187 bool ExtensionOptionsGuest::HandleContextMenu( | |
| 188 const content::ContextMenuParams& params) { | |
| 189 ContextMenuDelegate* menu_delegate = | |
| 190 ContextMenuDelegate::FromWebContents(web_contents()); | |
| 191 DCHECK(menu_delegate); | |
| 192 | |
| 193 scoped_ptr<RenderViewContextMenu> menu = | |
| 194 menu_delegate->BuildMenu(web_contents(), params); | |
| 195 menu_delegate->ShowMenu(menu.Pass()); | |
| 196 return true; | |
| 197 } | |
| 198 | |
| 199 bool ExtensionOptionsGuest::ShouldCreateWebContents( | |
| 200 content::WebContents* web_contents, | |
| 201 int route_id, | |
| 202 WindowContainerType window_container_type, | |
| 203 const base::string16& frame_name, | |
| 204 const GURL& target_url, | |
| 205 const std::string& partition_id, | |
| 206 content::SessionStorageNamespace* session_storage_namespace) { | |
| 207 // This method handles opening links from within the guest. Since this guest | |
| 208 // view is used for displaying embedded extension options, we want any | |
| 209 // external links to be opened in a new tab, not in a new guest view. | |
| 210 // Therefore we just open the URL in a new tab, and since we aren't handling | |
| 211 // the new web contents, we return false. | |
| 212 Browser* browser = | |
| 213 chrome::FindBrowserWithWebContents(embedder_web_contents()); | |
| 214 content::OpenURLParams params(target_url, | |
| 215 content::Referrer(), | |
| 216 NEW_FOREGROUND_TAB, | |
| 217 content::PAGE_TRANSITION_LINK, | |
| 218 false); | |
| 219 browser->OpenURL(params); | |
| 220 // TODO(ericzeng): Open the tab in the background if the click was a | |
| 221 // ctrl-click or middle mouse button click | |
| 222 return false; | |
| 223 } | |
| 224 | |
| 225 bool ExtensionOptionsGuest::OnMessageReceived(const IPC::Message& message) { | |
| 226 bool handled = true; | |
| 227 IPC_BEGIN_MESSAGE_MAP(ExtensionOptionsGuest, message) | |
| 228 IPC_MESSAGE_HANDLER(ExtensionHostMsg_Request, OnRequest) | |
| 229 IPC_MESSAGE_UNHANDLED(handled = false) | |
| 230 IPC_END_MESSAGE_MAP() | |
| 231 return handled; | |
| 232 } | |
| 233 | |
| 234 void ExtensionOptionsGuest::OnRequest( | |
| 235 const ExtensionHostMsg_Request_Params& params) { | |
| 236 extension_function_dispatcher_->Dispatch( | |
| 237 params, web_contents()->GetRenderViewHost()); | |
| 238 } | |
| 239 | |
| 240 void ExtensionOptionsGuest::SetUpAutoSize() { | |
| 241 // Read the autosize parameters passed in from the embedder. | |
| 242 bool auto_size_enabled = false; | |
| 243 attach_params()->GetBoolean(extensionoptions::kAttributeAutoSize, | |
| 244 &auto_size_enabled); | |
| 245 | |
| 246 int max_height = 0; | |
| 247 int max_width = 0; | |
| 248 attach_params()->GetInteger(extensionoptions::kAttributeMaxHeight, | |
| 249 &max_height); | |
| 250 attach_params()->GetInteger(extensionoptions::kAttributeMaxWidth, &max_width); | |
| 251 | |
| 252 int min_height = 0; | |
| 253 int min_width = 0; | |
| 254 attach_params()->GetInteger(extensionoptions::kAttributeMinHeight, | |
| 255 &min_height); | |
| 256 attach_params()->GetInteger(extensionoptions::kAttributeMinWidth, &min_width); | |
| 257 | |
| 258 // Call SetAutoSize to apply all the appropriate validation and clipping of | |
| 259 // values. | |
| 260 SetAutoSize(auto_size_enabled, | |
| 261 gfx::Size(min_width, min_height), | |
| 262 gfx::Size(max_width, max_height)); | |
| 263 } | |
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