Allow platform apps to open links in the browser.

chrome/browser/ui/extensions/shell_window.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/extensions/shell_window.h"
 
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/extensions/extension_process_manager.h"
 #include "chrome/browser/extensions/shell_window_registry.h"
 #include "chrome/browser/file_select_helper.h"
 #include "chrome/browser/intents/web_intents_util.h"
 #include "chrome/browser/lifetime/application_lifetime.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/sessions/session_id.h"
 #include "chrome/browser/ui/browser.h"
+#include "chrome/browser/ui/browser_finder.h"
+#include "chrome/browser/ui/browser_window.h"
 #include "chrome/browser/ui/intents/web_intent_picker_controller.h"
 #include "chrome/browser/ui/tab_contents/tab_contents.h"
 #include "chrome/browser/view_type_utils.h"
 #include "chrome/common/chrome_notification_types.h"
 #include "chrome/common/extensions/extension.h"
 #include "chrome/common/extensions/extension_messages.h"
 #include "content/public/browser/invalidate_type.h"
 #include "content/public/browser/navigation_entry.h"
 #include "content/public/browser/notification_details.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/notification_source.h"
 #include "content/public/browser/notification_types.h"
 #include "content/public/browser/render_view_host.h"
 #include "content/public/browser/site_instance.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/browser/web_intents_dispatcher.h"
 #include "content/public/common/renderer_preferences.h"
 
+using content::ConsoleMessageLevel;
 using content::SiteInstance;
 using content::WebContents;
 
 namespace {
 static const int kDefaultWidth = 512;
 static const int kDefaultHeight = 384;
 }  // namespace
 
 ShellWindow::CreateParams::CreateParams()
   : frame(ShellWindow::CreateParams::FRAME_CHROME),
@@ skipping 79 matching lines @@
   iter = request->devices.find(content::MEDIA_STREAM_DEVICE_TYPE_VIDEO_CAPTURE);
   if (iter != request->devices.end() &&
       extension()->HasAPIPermission(ExtensionAPIPermission::kVideoCapture) &&
       !iter->second.empty()) {
     devices.push_back(iter->second[0]);
   }
 
   callback.Run(devices);
 }
 
+WebContents* ShellWindow::OpenURLFromTab(WebContents* source,
+                                         const content::OpenURLParams& params) {
+  DCHECK(source == web_contents_);
+
+  if (params.url.host() == extension_->id()) {
+    AddMessageToDevToolsConsole(
+        content::CONSOLE_MESSAGE_LEVEL_ERROR,
+        base::StringPrintf(
+            "Can't navigate to \"%s\"; apps do not support navigation.",
+            params.url.spec().c_str()));
+    return NULL;
+  }
+
+  // Don't allow the current tab to be navigated. It would be nice to map all
+  // anchor tags (even those without target="_blank") to new tabs, but right
+  // now we can't distinguish between those and <meta> refreshes, which we
+  // don't want to allow.
+  // TOOD(mihaip): Can we check for user gestures instead?
+  WindowOpenDisposition disposition = params.disposition;
+  if (disposition == CURRENT_TAB) {
+    AddMessageToDevToolsConsole(
+        content::CONSOLE_MESSAGE_LEVEL_ERROR,
+        base::StringPrintf(
+            "Can't open same-window link to \"%s\"; try target=\"_blank\".",
+            params.url.spec().c_str()));
+    return NULL;
+  }
+
+  // These dispositions aren't really navigations.
+  if (disposition == SUPPRESS_OPEN || disposition == SAVE_TO_DISK ||
+      disposition == IGNORE_ACTION) {
+    return NULL;
+  }
+
+  // Force all links to open in a new tab, even if they were trying to open a
+  // window.
+  content::OpenURLParams new_tab_params = params;
+  new_tab_params.disposition =
+      disposition == NEW_BACKGROUND_TAB ? disposition : NEW_FOREGROUND_TAB;
+  Browser* browser = browser::FindOrCreateTabbedBrowser(profile_);
+  WebContents* new_tab = browser->OpenURL(new_tab_params);
+  browser->window()->Show();
+  return new_tab;
+}
+
+void ShellWindow::AddNewContents(WebContents* source,
+                                 WebContents* new_contents,
+                                 WindowOpenDisposition disposition,
+                                 const gfx::Rect& initial_pos,
+                                 bool user_gesture) {
+  DCHECK(source == web_contents_);
+  DCHECK(Profile::FromBrowserContext(new_contents->GetBrowserContext()) ==
+      profile_);
+  Browser* browser = browser::FindOrCreateTabbedBrowser(profile_);
+  // Force all links to open in a new tab, even if they were trying to open a
+  // new window.
+  disposition =
+      disposition == NEW_BACKGROUND_TAB ? disposition : NEW_FOREGROUND_TAB;
+  browser->AddWebContents(
+      new_contents, disposition, initial_pos, user_gesture);
+}
+
 void ShellWindow::OnNativeClose() {
   ShellWindowRegistry::Get(profile_)->RemoveShellWindow(this);
   delete this;
 }
 
 string16 ShellWindow::GetTitle() const {
   // WebContents::GetTitle() will return the page's URL if there's no <title>
   // specified. However, we'd prefer to show the name of the extension in that
   // case, so we directly inspect the NavigationEntry's title.
   if (!web_contents()->GetController().GetActiveEntry() ||
@@ skipping 87 matching lines @@
 }
 
 ExtensionWindowController* ShellWindow::GetExtensionWindowController() const {
   return NULL;
 }
 
 void ShellWindow::OnRequest(const ExtensionHostMsg_Request_Params& params) {
   extension_function_dispatcher_.Dispatch(params,
                                           web_contents_->GetRenderViewHost());
 }
+
+void ShellWindow::AddMessageToDevToolsConsole(ConsoleMessageLevel level,
+                                              const std::string& message) {
+  content::RenderViewHost* rvh = web_contents_->GetRenderViewHost();
+  rvh->Send(new ExtensionMsg_AddMessageToConsole(
+      rvh->GetRoutingID(), level, message));
+}