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      1 // Copyright (c) 2012 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/extensions/script_bubble_controller.h"
      6 
      7 #include "chrome/browser/extensions/component_loader.h"
      8 #include "chrome/browser/extensions/extension_action.h"
      9 #include "chrome/browser/extensions/extension_action_manager.h"
     10 #include "chrome/browser/extensions/extension_service.h"
     11 #include "chrome/browser/extensions/extension_system.h"
     12 #include "chrome/browser/extensions/extension_tab_util.h"
     13 #include "chrome/browser/extensions/location_bar_controller.h"
     14 #include "chrome/browser/profiles/profile.h"
     15 #include "content/public/browser/navigation_details.h"
     16 #include "extensions/common/extension.h"
     17 #include "extensions/common/permissions/api_permission.h"
     18 
     19 using extensions::APIPermission;
     20 
     21 namespace extensions {
     22 
     23 ScriptBubbleController::ScriptBubbleController(
     24     content::WebContents* web_contents, TabHelper* tab_helper)
     25     : TabHelper::ScriptExecutionObserver(tab_helper),
     26       content::WebContentsObserver(web_contents) {
     27 }
     28 
     29 ScriptBubbleController::~ScriptBubbleController() {
     30 }
     31 
     32 void ScriptBubbleController::OnScriptsExecuted(
     33       const content::WebContents* web_contents,
     34       const ExecutingScriptsMap& executing_scripts,
     35       int32 page_id,
     36       const GURL& on_url) {
     37   DCHECK_EQ(this->web_contents(), web_contents);
     38 
     39   bool changed = false;
     40   ExtensionService* extension_service = GetExtensionService();
     41   for (ExecutingScriptsMap::const_iterator i = executing_scripts.begin();
     42        i != executing_scripts.end(); ++i) {
     43     // Don't display extensions that wouldn't be shown in settings because
     44     // those are effectively not installed from the user's point of view.
     45     const Extension* extension =
     46         extension_service->extensions()->GetByID(i->first);
     47     if (extension && extension->ShouldDisplayInExtensionSettings() &&
     48         extension->HasAPIPermission(APIPermission::kActiveTab))
     49       changed |= extensions_running_scripts_.insert(i->first).second;
     50   }
     51 
     52   if (changed)
     53     UpdateScriptBubble();
     54 }
     55 
     56 void ScriptBubbleController::DidNavigateMainFrame(
     57     const content::LoadCommittedDetails& details,
     58     const content::FrameNavigateParams& params) {
     59   if (!details.is_navigation_to_different_page())
     60     return;
     61   extensions_running_scripts_.clear();
     62   UpdateScriptBubble();
     63 }
     64 
     65 void ScriptBubbleController::OnExtensionUnloaded(
     66     const std::string& extension_id) {
     67   if (extensions_running_scripts_.erase(extension_id) == 1)
     68     UpdateScriptBubble();
     69 }
     70 
     71 Profile* ScriptBubbleController::profile() const {
     72   return Profile::FromBrowserContext(web_contents()->GetBrowserContext());
     73 }
     74 
     75 ExtensionService* ScriptBubbleController::GetExtensionService() const {
     76   return ExtensionSystem::Get(profile())->extension_service();
     77 }
     78 
     79 void ScriptBubbleController::UpdateScriptBubble() {
     80   tab_helper_->location_bar_controller()->NotifyChange();
     81 }
     82 
     83 }  // namespace extensions
     84