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// Copyright 2013 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/extension_installed_bubble.h"
#include <string>
#include "base/bind.h"
#include "base/message_loop/message_loop.h"
#include "base/strings/utf_string_conversions.h"
#include "base/time/time.h"
#include "chrome/browser/chrome_notification_types.h"
#include "chrome/browser/extensions/api/commands/command_service.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/common/extensions/api/extension_action/action_info.h"
#include "chrome/common/extensions/api/omnibox/omnibox_handler.h"
#include "chrome/common/extensions/command.h"
#include "chrome/grit/generated_resources.h"
#include "content/public/browser/notification_details.h"
#include "content/public/browser/notification_source.h"
#include "extensions/browser/extension_registry.h"
#include "extensions/common/extension.h"
#include "ui/base/l10n/l10n_util.h"
using extensions::Extension;
namespace {
// How long to wait for browser action animations to complete before retrying.
const int kAnimationWaitMs = 50;
// How often we retry when waiting for browser action animation to end.
const int kAnimationWaitRetries = 10;
// Returns the keybinding for an extension command, or a null if none exists.
scoped_ptr<extensions::Command> GetCommand(
const std::string& extension_id,
Profile* profile,
ExtensionInstalledBubble::BubbleType type) {
scoped_ptr<extensions::Command> result;
extensions::Command command;
extensions::CommandService* command_service =
extensions::CommandService::Get(profile);
bool has_command = false;
if (type == ExtensionInstalledBubble::BROWSER_ACTION) {
has_command = command_service->GetBrowserActionCommand(
extension_id, extensions::CommandService::ACTIVE, &command, nullptr);
} else if (type == ExtensionInstalledBubble::PAGE_ACTION) {
has_command = command_service->GetPageActionCommand(
extension_id, extensions::CommandService::ACTIVE, &command, nullptr);
}
if (has_command)
result.reset(new extensions::Command(command));
return result.Pass();
}
} // namespace
ExtensionInstalledBubble::ExtensionInstalledBubble(Delegate* delegate,
const Extension* extension,
Browser* browser,
const SkBitmap& icon)
: delegate_(delegate),
extension_(extension),
browser_(browser),
icon_(icon),
extension_registry_observer_(this),
animation_wait_retries_(0),
weak_factory_(this) {
if (!extensions::OmniboxInfo::GetKeyword(extension).empty())
type_ = OMNIBOX_KEYWORD;
else if (extensions::ActionInfo::GetBrowserActionInfo(extension))
type_ = BROWSER_ACTION;
else if (extensions::ActionInfo::GetPageActionInfo(extension) &&
extensions::ActionInfo::IsVerboseInstallMessage(extension))
type_ = PAGE_ACTION;
else
type_ = GENERIC;
// |extension| has been initialized but not loaded at this point. We need
// to wait on showing the Bubble until not only the EXTENSION_LOADED gets
// fired, but all of the EXTENSION_LOADED Observers have run. Only then can we
// be sure that a BrowserAction or PageAction has had views created which we
// can inspect for the purpose of previewing of pointing to them.
extension_registry_observer_.Add(
extensions::ExtensionRegistry::Get(browser->profile()));
registrar_.Add(this, chrome::NOTIFICATION_BROWSER_CLOSING,
content::Source<Browser>(browser));
}
ExtensionInstalledBubble::~ExtensionInstalledBubble() {}
void ExtensionInstalledBubble::IgnoreBrowserClosing() {
registrar_.Remove(this, chrome::NOTIFICATION_BROWSER_CLOSING,
content::Source<Browser>(browser_));
}
base::string16 ExtensionInstalledBubble::GetHowToUseDescription() const {
int message_id = 0;
base::string16 extra;
if (action_command_)
extra = action_command_->accelerator().GetShortcutText();
switch (type_) {
case BROWSER_ACTION:
message_id = extra.empty() ? IDS_EXTENSION_INSTALLED_BROWSER_ACTION_INFO :
IDS_EXTENSION_INSTALLED_BROWSER_ACTION_INFO_WITH_SHORTCUT;
break;
case PAGE_ACTION:
message_id = extra.empty() ? IDS_EXTENSION_INSTALLED_PAGE_ACTION_INFO :
IDS_EXTENSION_INSTALLED_PAGE_ACTION_INFO_WITH_SHORTCUT;
break;
case OMNIBOX_KEYWORD:
extra =
base::UTF8ToUTF16(extensions::OmniboxInfo::GetKeyword(extension_));
message_id = IDS_EXTENSION_INSTALLED_OMNIBOX_KEYWORD_INFO;
break;
case GENERIC:
break;
}
if (message_id == 0)
return base::string16();
return extra.empty() ? l10n_util::GetStringUTF16(message_id) :
l10n_util::GetStringFUTF16(message_id, extra);
}
void ExtensionInstalledBubble::ShowInternal() {
if (delegate_->MaybeShowNow())
return;
if (animation_wait_retries_++ < kAnimationWaitRetries) {
base::MessageLoopForUI::current()->PostDelayedTask(
FROM_HERE,
base::Bind(&ExtensionInstalledBubble::ShowInternal,
weak_factory_.GetWeakPtr()),
base::TimeDelta::FromMilliseconds(kAnimationWaitMs));
}
}
void ExtensionInstalledBubble::OnExtensionLoaded(
content::BrowserContext* browser_context,
const extensions::Extension* extension) {
if (extension == extension_) {
// Parse the extension command, if one exists.
action_command_ = GetCommand(extension_->id(), browser_->profile(), type_);
animation_wait_retries_ = 0;
// PostTask to ourself to allow all EXTENSION_LOADED Observers to run.
base::MessageLoopForUI::current()->PostTask(
FROM_HERE,
base::Bind(&ExtensionInstalledBubble::ShowInternal,
weak_factory_.GetWeakPtr()));
}
}
void ExtensionInstalledBubble::OnExtensionUnloaded(
content::BrowserContext* browser_context,
const extensions::Extension* extension,
extensions::UnloadedExtensionInfo::Reason reason) {
if (extension == extension_) {
// Extension is going away, make sure ShowInternal won't be called.
weak_factory_.InvalidateWeakPtrs();
extension_ = NULL;
}
}
void ExtensionInstalledBubble::Observe(
int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) {
DCHECK_EQ(type, chrome::NOTIFICATION_BROWSER_CLOSING)
<< "Received unexpected notification";
delete delegate_;
}
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