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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "extensions/browser/extension_action_icon_factory.h"
#include "base/metrics/histogram_macros.h"
#include "extensions/browser/extension_action.h"
#include "extensions/common/extension.h"
#include "extensions/common/image_util.h"
#include "extensions/common/manifest.h"
#include "ui/gfx/image/image.h"
#include "ui/gfx/image/image_skia.h"
namespace extensions {
namespace {
bool g_allow_invisible_icons = true;
} // namespace
// static
void ExtensionActionIconFactory::SetAllowInvisibleIconsForTest(bool value) {
g_allow_invisible_icons = value;
}
ExtensionActionIconFactory::ExtensionActionIconFactory(
const Extension* extension,
ExtensionAction* action,
Observer* observer)
: action_(action),
observer_(observer),
should_check_icons_(extension->location() !=
mojom::ManifestLocation::kUnpacked) {
if (action->default_icon_image()) {
icon_image_observation_.Observe(action->default_icon_image());
}
}
ExtensionActionIconFactory::~ExtensionActionIconFactory() {}
// IconImage::Observer overrides.
void ExtensionActionIconFactory::OnExtensionIconImageChanged(IconImage* image) {
if (observer_) {
observer_->OnIconUpdated();
}
}
void ExtensionActionIconFactory::OnExtensionIconImageDestroyed(
IconImage* image) {
icon_image_observation_.Reset();
}
gfx::Image ExtensionActionIconFactory::GetIcon(int tab_id) {
gfx::Image icon = action_->GetExplicitlySetIcon(tab_id);
if (!icon.IsEmpty()) {
return icon;
}
icon = action_->GetDeclarativeIcon(tab_id);
if (!icon.IsEmpty()) {
return icon;
}
if (cached_default_icon_image_.IsEmpty()) {
icon = action_->GetDefaultIconImage();
// If the extension is packed, then check the icon for visibility. Icons
// for unpacked extensions are checked at load time, so we ignore them
// here.
if (should_check_icons_) {
const SkBitmap* const bitmap = icon.ToSkBitmap();
const bool is_sufficiently_visible =
image_util::IsIconSufficientlyVisible(*bitmap);
if (!is_sufficiently_visible && !g_allow_invisible_icons) {
icon = action_->GetPlaceholderIconImage();
}
}
cached_default_icon_image_ = icon;
}
return cached_default_icon_image_;
}
} // namespace extensions
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