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// Copyright (c) 2009 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/extensions/extension_tabs_module.h"
#include "base/string_util.h"
#include "chrome/browser/browser.h"
#include "chrome/browser/browser_list.h"
#include "chrome/browser/extensions/extension_function_dispatcher.h"
#include "chrome/browser/tab_contents/navigation_entry.h"
// Forward declare static helper functions defined below.
static DictionaryValue* CreateTabValue(TabStripModel* tab_strip_model,
int tab_index);
static bool GetIndexOfTabId(const TabStripModel* tab_strip, int tab_id,
int* tab_index);
bool GetTabsForWindowFunction::RunImpl() {
if (!args_->IsType(Value::TYPE_NULL))
return false;
Browser* browser = BrowserList::GetLastActive();
if (!browser)
return false;
TabStripModel* tab_strip = browser->tabstrip_model();
result_.reset(new ListValue());
for (int i = 0; i < tab_strip->count(); ++i) {
static_cast<ListValue*>(result_.get())->Append(
CreateTabValue(tab_strip, i));
}
return true;
}
bool CreateTabFunction::RunImpl() {
// TODO(aa): Do data-driven validation in JS.
if (!args_->IsType(Value::TYPE_DICTIONARY))
return false;
Browser* browser = BrowserList::GetLastActive();
if (!browser)
return false;
TabStripModel *tab_strip = browser->tabstrip_model();
const DictionaryValue *args_hash = static_cast<const DictionaryValue*>(args_);
// TODO(rafaelw): handle setting remaining tab properties:
// -windowId
// -title
// -favIconUrl
std::string url;
args_hash->GetString(L"url", &url);
// Default to foreground for the new tab. The presence of 'selected' property
// will override this default.
bool selected = true;
args_hash->GetBoolean(L"selected", &selected);
// If index is specified, honor the value, but keep it bound to
// 0 <= index <= tab_strip->count()
int index = -1;
args_hash->GetInteger(L"index", &index);
if (index < 0) {
// Default insert behavior
index = -1;
}
if (index > tab_strip->count()) {
index = tab_strip->count();
}
TabContents* contents = browser->AddTabWithURL(GURL(url), GURL(),
PageTransition::TYPED, selected, index, NULL);
index = tab_strip->GetIndexOfTabContents(contents);
// Return data about the newly created tab.
if (has_callback())
result_.reset(CreateTabValue(tab_strip, index));
return true;
}
bool GetTabFunction::RunImpl() {
if (!args_->IsType(Value::TYPE_INTEGER))
return false;
Browser* browser = BrowserList::GetLastActive();
if (!browser)
return false;
int tab_id;
args_->GetAsInteger(&tab_id);
int tab_index;
TabStripModel* tab_strip = browser->tabstrip_model();
// TODO(rafaelw): return an error if the tab is not found by |tab_id|
if (!GetIndexOfTabId(tab_strip, tab_id, &tab_index))
return false;
TabContents* tab_contents = tab_strip->GetTabContentsAt(tab_index);
NavigationController* controller = tab_contents->controller();
DCHECK(controller);
result_.reset(CreateTabValue(tab_strip, tab_index));
return true;
}
bool UpdateTabFunction::RunImpl() {
// TODO(aa): Do data-driven validation in JS.
if (!args_->IsType(Value::TYPE_DICTIONARY))
return false;
Browser* browser = BrowserList::GetLastActive();
if (!browser)
return false;
int tab_id;
const DictionaryValue *args_hash = static_cast<const DictionaryValue*>(args_);
if (!args_hash->GetInteger(L"id", &tab_id))
return false;
int tab_index;
TabStripModel* tab_strip = browser->tabstrip_model();
// TODO(rafaelw): return an error if the tab is not found by |tab_id|
if (!GetIndexOfTabId(tab_strip, tab_id, &tab_index))
return false;
TabContents* tab_contents = tab_strip->GetTabContentsAt(tab_index);
NavigationController* controller = tab_contents->controller();
DCHECK(controller);
// TODO(rafaelw): handle setting remaining tab properties:
// -index
// -windowId
// -title
// -favIconUrl
// Navigate the tab to a new location if the url different.
std::string url;
if (args_hash->GetString(L"url", &url)) {
GURL new_gurl(url);
if (new_gurl.is_valid()) {
controller->LoadURL(new_gurl, GURL(), PageTransition::TYPED);
} else {
// TODO(rafaelw): return some reasonable error?
}
}
bool selected;
// TODO(rafaelw): Setting |selected| from js doesn't make much sense.
// Move tab selection management up to window.
if (args_hash->GetBoolean(L"selected", &selected) &&
selected &&
tab_strip->selected_index() != tab_index) {
tab_strip->SelectTabContentsAt(tab_index, false);
}
return true;
}
bool RemoveTabFunction::RunImpl() {
// TODO(rafaelw): This should have a callback, but it can't because it could
// close it's own tab.
if (!args_->IsType(Value::TYPE_INTEGER))
return false;
Browser* browser = BrowserList::GetLastActive();
if (!browser)
return false;
int tab_id;
if (!args_->GetAsInteger(&tab_id)) {
return false;
}
int tab_index;
TabStripModel* tab_strip = browser->tabstrip_model();
if (GetIndexOfTabId(tab_strip, tab_id, &tab_index)) {
TabContents* tab_contents = tab_strip->GetTabContentsAt(tab_index);
NavigationController* controller = tab_contents->controller();
DCHECK(controller);
browser->CloseContents(tab_contents);
return true;
}
return false;
}
// static helpers
static DictionaryValue* CreateTabValue(TabStripModel* tab_strip,
int tab_index) {
TabContents* contents = tab_strip->GetTabContentsAt(tab_index);
NavigationController* controller = contents->controller();
DCHECK(controller); // TODO(aa): Is this a valid assumption?
DictionaryValue* result = new DictionaryValue();
result->SetInteger(L"id", controller->session_id().id());
result->SetInteger(L"index", tab_index);
result->SetInteger(L"windowId", controller->window_id().id());
result->SetString(L"url", contents->GetURL().spec());
result->SetString(L"title", UTF16ToWide(contents->GetTitle()));
result->SetBoolean(L"selected", tab_index == tab_strip->selected_index());
NavigationEntry* entry = controller->GetActiveEntry();
if (entry) {
if (entry->favicon().is_valid())
result->SetString(L"favIconUrl", entry->favicon().url().spec());
}
return result;
}
static bool GetIndexOfTabId(const TabStripModel* tab_strip, int tab_id,
int* tab_index) {
for (int i = 0; i < tab_strip->count(); ++i) {
TabContents* tab_contents = tab_strip->GetTabContentsAt(i);
NavigationController* controller = tab_contents->controller();
DCHECK(controller); // TODO(aa): Is this a valid assumption?
if (controller->session_id().id() == tab_id) {
*tab_index = i;
return true;
}
}
return false;
}
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