App list: Infrastructure now supports multiple custom launcher pages.

chrome/browser/ui/app_list/app_list_view_delegate.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/app_list/app_list_view_delegate.h"
 
 #include <vector>
 
 #include "apps/custom_launcher_page_contents.h"
 #include "base/callback.h"
@@ skipping 85 matching lines @@
   for (size_t i = 0; i < count; ++i) {
     app_list::AppListViewDelegate::User user;
     user.name = profile_info.GetNameOfProfileAtIndex(i);
     user.email = profile_info.GetUserNameOfProfileAtIndex(i);
     user.profile_path = profile_info.GetPathOfProfileAtIndex(i);
     user.active = active_profile_path == user.profile_path;
     users->push_back(user);
   }
 }
 
+// Gets a list of URLs of the custom launcher pages to show in the launcher.
+// Returns a URL for each installed launcher page. If --custom-launcher-page is
+// specified and valid, also includes that URL.
+void GetCustomLauncherPageUrls(std::vector<GURL>* urls) {
+  // First, check the command line.
+  base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
+  if (app_list::switches::IsExperimentalAppListEnabled() &&
+      command_line->HasSwitch(switches::kCustomLauncherPage)) {
+    GURL custom_launcher_page_url(
+        command_line->GetSwitchValueASCII(switches::kCustomLauncherPage));
+
+    if (custom_launcher_page_url.SchemeIs(extensions::kExtensionScheme)) {
+      urls->push_back(custom_launcher_page_url);
+    } else {
+      LOG(ERROR) << "Invalid custom launcher page URL: "
+                 << custom_launcher_page_url.possibly_invalid_spec();
+    }
+  }
+
+  // TODO(mgiuca): Search the list of installed extensions and add any with a
+  // 'launcher_page' attribute in its manifest.
+}
+
 }  // namespace
 
 AppListViewDelegate::AppListViewDelegate(Profile* profile,
                                          AppListControllerDelegate* controller)
     : controller_(controller),
       profile_(profile),
       model_(NULL),
       scoped_observer_(this) {
   CHECK(controller_);
   // The SigninManagerFactor and the SigninManagers are observed to keep the
@@ skipping 25 matching lines @@
 #if defined(GOOGLE_CHROME_BUILD)
   speech_ui_->set_logo(
       *ui::ResourceBundle::GetSharedInstance().
       GetImageSkiaNamed(IDR_APP_LIST_GOOGLE_LOGO_VOICE_SEARCH));
 #endif
 
   OnProfileChanged();  // sets model_
   if (service)
     service->AddObserver(this);
 
-  // Set up the custom launcher page. There is currently only a single custom
-  // page allowed, which is specified as a command-line flag. In the future,
-  // arbitrary extensions may be able to specify their own custom pages.
-  base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
-  if (app_list::switches::IsExperimentalAppListEnabled() &&
-      command_line->HasSwitch(switches::kCustomLauncherPage)) {
-    GURL custom_launcher_page_url(
-        command_line->GetSwitchValueASCII(switches::kCustomLauncherPage));
-    if (!custom_launcher_page_url.SchemeIs(extensions::kExtensionScheme)) {
-      LOG(ERROR) << "Invalid custom launcher page URL: "
-                 << custom_launcher_page_url.possibly_invalid_spec();
-    } else {
-      std::string extension_id = custom_launcher_page_url.host();
-      custom_page_contents_.reset(new apps::CustomLauncherPageContents(
-          scoped_ptr<apps::AppDelegate>(new ChromeAppDelegate), extension_id));
-      custom_page_contents_->Initialize(profile, custom_launcher_page_url);
-    }
+  // Set up the custom launcher pages.
+  std::vector<GURL> custom_launcher_page_urls;
+  GetCustomLauncherPageUrls(&custom_launcher_page_urls);
+  for (std::vector<GURL>::const_iterator it = custom_launcher_page_urls.begin();
+       it != custom_launcher_page_urls.end();
+       ++it) {
+    std::string extension_id = it->host();
+    apps::CustomLauncherPageContents* page_contents =
+        new apps::CustomLauncherPageContents(
+            scoped_ptr<apps::AppDelegate>(new ChromeAppDelegate), extension_id);
+    page_contents->Initialize(profile, *it);
+    custom_page_contents_.push_back(page_contents);
   }
 }
 
 AppListViewDelegate::~AppListViewDelegate() {
   app_list::StartPageService* service =
       app_list::StartPageService::Get(profile_);
   if (service)
     service->RemoveObserver(this);
   g_browser_process->
       profile_manager()->GetProfileInfoCache().RemoveObserver(this);
@@ skipping 290 matching lines @@
     return NULL;
 
   DCHECK_EQ(profile_, web_contents->GetBrowserContext());
   views::WebView* web_view = new views::WebView(
       web_contents->GetBrowserContext());
   web_view->SetPreferredSize(size);
   web_view->SetWebContents(web_contents);
   return web_view;
 }
 
-views::View* AppListViewDelegate::CreateCustomPageWebView(
+std::vector<views::View*> AppListViewDelegate::CreateCustomPageWebViews(
     const gfx::Size& size) {
-  if (!custom_page_contents_)
-    return NULL;
+  std::vector<views::View*> web_views;
 
-  content::WebContents* web_contents = custom_page_contents_->web_contents();
-  // TODO(mgiuca): DCHECK_EQ(profile_, web_contents->GetBrowserContext()) after
-  // http://crbug.com/392763 resolved.
-  views::WebView* web_view =
-      new views::WebView(web_contents->GetBrowserContext());
-  web_view->SetPreferredSize(size);
-  web_view->SetWebContents(web_contents);
-  return web_view;
+  for (ScopedVector<apps::CustomLauncherPageContents>::const_iterator it =
+           custom_page_contents_.begin();
+       it != custom_page_contents_.end();
+       ++it) {
+    content::WebContents* web_contents = (*it)->web_contents();
+    // TODO(mgiuca): DCHECK_EQ(profile_, web_contents->GetBrowserContext())
+    // after http://crbug.com/392763 resolved.
+    views::WebView* web_view =
+        new views::WebView(web_contents->GetBrowserContext());
+    web_view->SetPreferredSize(size);
+    web_view->SetWebContents(web_contents);
+    web_views.push_back(web_view);
+  }
+
+  return web_views;
 }
 #endif
 
 bool AppListViewDelegate::IsSpeechRecognitionEnabled() {
   app_list::StartPageService* service =
       app_list::StartPageService::Get(profile_);
   return service && service->GetSpeechRecognitionContents();
 }
 
 const app_list::AppListViewDelegate::Users&
@@ skipping 31 matching lines @@
 
 void AppListViewDelegate::AddObserver(
     app_list::AppListViewDelegateObserver* observer) {
   observers_.AddObserver(observer);
 }
 
 void AppListViewDelegate::RemoveObserver(
     app_list::AppListViewDelegateObserver* observer) {
   observers_.RemoveObserver(observer);
 }