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/extension_error_reporter.h"
6
7 #include "build/build_config.h"
8
9 #include "base/bind.h"
10 #include "base/bind_helpers.h"
11 #include "base/files/file_path.h"
12 #include "base/logging.h"
13 #include "base/message_loop/message_loop.h"
14 #include "base/strings/stringprintf.h"
15 #include "base/strings/utf_string_conversions.h"
16 #include "chrome/browser/profiles/profile.h"
17 #include "chrome/browser/ui/simple_message_box.h"
18 #include "content/public/browser/notification_service.h"
19 #include "extensions/browser/notification_types.h"
20
21 ExtensionErrorReporter* ExtensionErrorReporter::instance_ = NULL;
22
23 // static
Init(bool enable_noisy_errors)24 void ExtensionErrorReporter::Init(bool enable_noisy_errors) {
25 if (!instance_) {
26 instance_ = new ExtensionErrorReporter(enable_noisy_errors);
27 }
28 }
29
30 // static
GetInstance()31 ExtensionErrorReporter* ExtensionErrorReporter::GetInstance() {
32 CHECK(instance_) << "Init() was never called";
33 return instance_;
34 }
35
ExtensionErrorReporter(bool enable_noisy_errors)36 ExtensionErrorReporter::ExtensionErrorReporter(bool enable_noisy_errors)
37 : ui_loop_(base::MessageLoop::current()),
38 enable_noisy_errors_(enable_noisy_errors) {
39 }
40
~ExtensionErrorReporter()41 ExtensionErrorReporter::~ExtensionErrorReporter() {}
42
ReportLoadError(const base::FilePath & extension_path,const std::string & error,content::BrowserContext * browser_context,bool be_noisy)43 void ExtensionErrorReporter::ReportLoadError(
44 const base::FilePath& extension_path,
45 const std::string& error,
46 content::BrowserContext* browser_context,
47 bool be_noisy) {
48 content::NotificationService::current()->Notify(
49 extensions::NOTIFICATION_EXTENSION_LOAD_ERROR,
50 content::Source<Profile>(Profile::FromBrowserContext(browser_context)),
51 content::Details<const std::string>(&error));
52
53 std::string path_str = base::UTF16ToUTF8(extension_path.LossyDisplayName());
54 base::string16 message = base::UTF8ToUTF16(
55 base::StringPrintf("Could not load extension from '%s'. %s",
56 path_str.c_str(),
57 error.c_str()));
58 ReportError(message, be_noisy);
59 FOR_EACH_OBSERVER(Observer,
60 observers_,
61 OnLoadFailure(browser_context, extension_path, error));
62 }
63
ReportError(const base::string16 & message,bool be_noisy)64 void ExtensionErrorReporter::ReportError(const base::string16& message,
65 bool be_noisy) {
66 // NOTE: There won't be a ui_loop_ in the unit test environment.
67 if (ui_loop_) {
68 CHECK(base::MessageLoop::current() == ui_loop_)
69 << "ReportError can only be called from the UI thread.";
70 }
71
72 errors_.push_back(message);
73
74 // TODO(aa): Print the error message out somewhere better. I think we are
75 // going to need some sort of 'extension inspector'.
76 LOG(WARNING) << "Extension error: " << message;
77
78 if (enable_noisy_errors_ && be_noisy) {
79 chrome::ShowMessageBox(NULL,
80 base::ASCIIToUTF16("Extension error"),
81 message,
82 chrome::MESSAGE_BOX_TYPE_WARNING);
83 }
84 }
85
GetErrors()86 const std::vector<base::string16>* ExtensionErrorReporter::GetErrors() {
87 return &errors_;
88 }
89
ClearErrors()90 void ExtensionErrorReporter::ClearErrors() {
91 errors_.clear();
92 }
93
AddObserver(Observer * observer)94 void ExtensionErrorReporter::AddObserver(Observer* observer) {
95 observers_.AddObserver(observer);
96 }
97
RemoveObserver(Observer * observer)98 void ExtensionErrorReporter::RemoveObserver(Observer* observer) {
99 observers_.RemoveObserver(observer);
100 }
101