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// Copyright (c) 2012 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/metro_pin_tab_helper.h"
#include "base/logging.h"
#include "base/utf_string_conversions.h"
#include "content/public/browser/web_contents.h"
#if defined(OS_WIN)
#include "base/win/metro.h"
#endif
int MetroPinTabHelper::kUserDataKey;
MetroPinTabHelper::MetroPinTabHelper(content::WebContents* web_contents)
: content::WebContentsObserver(web_contents),
is_pinned_(false) {}
MetroPinTabHelper::~MetroPinTabHelper() {}
void MetroPinTabHelper::TogglePinnedToStartScreen() {
#if defined(OS_WIN)
HMODULE metro_module = base::win::GetMetroModule();
if (metro_module) {
typedef void (*MetroTogglePinnedToStartScreen)(const string16&,
const string16&);
MetroTogglePinnedToStartScreen metro_toggle_pinned_to_start_screen =
reinterpret_cast<MetroTogglePinnedToStartScreen>(
::GetProcAddress(metro_module, "MetroTogglePinnedToStartScreen"));
if (!metro_toggle_pinned_to_start_screen) {
NOTREACHED();
return;
}
GURL url = web_contents()->GetURL();
string16 title = web_contents()->GetTitle();
VLOG(1) << __FUNCTION__ << " calling pin with title: " << title
<< " and url " << UTF8ToUTF16(url.spec());
metro_toggle_pinned_to_start_screen(title, UTF8ToUTF16(url.spec()));
// TODO(benwells): This will update the state incorrectly if the user
// cancels. To fix this some sort of callback needs to be introduced as
// the pinning happens on another thread.
is_pinned_ = !is_pinned_;
return;
}
#endif
}
void MetroPinTabHelper::DidNavigateMainFrame(
const content::LoadCommittedDetails& /*details*/,
const content::FrameNavigateParams& /*params*/) {
UpdatePinnedStateForCurrentURL();
}
void MetroPinTabHelper::UpdatePinnedStateForCurrentURL() {
#if defined(OS_WIN)
HMODULE metro_module = base::win::GetMetroModule();
if (metro_module) {
typedef BOOL (*MetroIsPinnedToStartScreen)(const string16&);
MetroIsPinnedToStartScreen metro_is_pinned_to_start_screen =
reinterpret_cast<MetroIsPinnedToStartScreen>(
::GetProcAddress(metro_module, "MetroIsPinnedToStartScreen"));
if (!metro_is_pinned_to_start_screen) {
NOTREACHED();
return;
}
GURL url = web_contents()->GetURL();
is_pinned_ = metro_is_pinned_to_start_screen(UTF8ToUTF16(url.spec())) != 0;
VLOG(1) << __FUNCTION__ << " with url " << UTF8ToUTF16(url.spec())
<< " result: " << is_pinned_;
}
#endif
}
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