chrome/browser/apps/install_chrome_app.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 "chrome/browser/apps/install_chrome_app.h"
   6
   7 #include "base/basictypes.h"
   8 #include "base/command_line.h"
   9 #include "base/strings/stringprintf.h"
  10 #include "chrome/browser/browser_process.h"
  11 #include "chrome/browser/extensions/webstore_install_with_prompt.h"
  12 #include "chrome/browser/extensions/webstore_standalone_installer.h"
  13 #include "chrome/browser/profiles/profile.h"
  14 #include "chrome/browser/ui/browser.h"
  15 #include "chrome/browser/ui/browser_list.h"
  16 #include "chrome/browser/ui/browser_window.h"
  17 #include "chrome/common/extensions/webstore_install_result.h"
  18 #include "components/crx_file/id_util.h"
  19 #include "extensions/browser/extension_registry.h"
  20 #include "extensions/common/manifest_constants.h"
  21
  22 using extensions::ExtensionRegistry;
  23
  24 namespace {
  25
  26 // The URL to the webstore page for a specific app.
  27 const char kWebstoreUrlFormat[] =
  28     "https://chrome.google.com/webstore/detail/%s";
  29
  30 // Error given when the extension is not an app.
  31 const char kInstallChromeAppErrorNotAnApp[] =
  32     "--install-chrome-app can only be used to install apps.";
  33
  34 // Returns the webstore URL for an app.
  35 GURL GetAppInstallUrl(const std::string& app_id) {
  36   return GURL(base::StringPrintf(kWebstoreUrlFormat, app_id.c_str()));
  37 }
  38
  39 // Checks the manifest and completes the installation with NOT_PERMITTED if the
  40 // extension is not an app.
  41 class WebstoreInstallWithPromptAppsOnly
  42     : public extensions::WebstoreInstallWithPrompt {
  43  public:
  44   WebstoreInstallWithPromptAppsOnly(const std::string& app_id,
  45                                     Profile* profile,
  46                                     gfx::NativeWindow parent_window)
  47       : WebstoreInstallWithPrompt(
  48             app_id,
  49             profile,
  50             parent_window,
  51             extensions::WebstoreStandaloneInstaller::Callback()) {}
  52
  53  private:
  54   virtual ~WebstoreInstallWithPromptAppsOnly() {}
  55
  56   // extensions::WebstoreStandaloneInstaller overrides:
  57   virtual void OnManifestParsed() OVERRIDE;
  58
  59   DISALLOW_COPY_AND_ASSIGN(WebstoreInstallWithPromptAppsOnly);
  60 };
  61
  62 void WebstoreInstallWithPromptAppsOnly::OnManifestParsed() {
  63   if (!manifest()->HasKey(extensions::manifest_keys::kApp)) {
  64     CompleteInstall(extensions::webstore_install::NOT_PERMITTED,
  65                     kInstallChromeAppErrorNotAnApp);
  66     return;
  67   }
  68
  69   ProceedWithInstallPrompt();
  70 }
  71
  72 }  // namespace
  73
  74 namespace install_chrome_app {
  75
  76 void InstallChromeApp(const std::string& app_id) {
  77   if (!crx_file::id_util::IdIsValid(app_id))
  78     return;
  79
  80   // At the moment InstallChromeApp() is called immediately after handling
  81   // startup URLs, so a browser is guaranteed to be created. If that changes we
  82   // may need to start a browser or browser session here.
  83   Browser* browser =
  84       BrowserList::GetInstance(chrome::HOST_DESKTOP_TYPE_NATIVE)->get(0);
  85   DCHECK(browser);
  86
  87   content::OpenURLParams params(GetAppInstallUrl(app_id),
  88                                 content::Referrer(),
  89                                 NEW_FOREGROUND_TAB,
  90                                 content::PAGE_TRANSITION_AUTO_TOPLEVEL,
  91                                 false);
  92   browser->OpenURL(params);
  93
  94   ExtensionRegistry* registry = ExtensionRegistry::Get(browser->profile());
  95   // Skip if this app is already installed or blacklisted. For disabled or
  96   // or terminated apps, going through the installation flow should re-enable
  97   // them.
  98   const extensions::Extension* installed_extension = registry->GetExtensionById(
  99       app_id, ExtensionRegistry::ENABLED | ExtensionRegistry::BLACKLISTED);
 100   // TODO(jackhou): For installed apps, maybe we should do something better,
 101   // e.g. show the app list (and re-add it to the taskbar).
 102   if (installed_extension)
 103     return;
 104
 105   WebstoreInstallWithPromptAppsOnly* installer =
 106       new WebstoreInstallWithPromptAppsOnly(
 107           app_id, browser->profile(), browser->window()->GetNativeWindow());
 108   installer->BeginInstall();
 109 }
 110
 111 }  // namespace install_chrome_app