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// Copyright (c) 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 "ui/keyboard/keyboard_controller_proxy.h"
#include "base/values.h"
#include "content/public/browser/site_instance.h"
#include "content/public/browser/web_contents.h"
#include "content/public/browser/web_contents.h"
#include "content/public/browser/web_contents_delegate.h"
#include "content/public/browser/web_contents_observer.h"
#include "content/public/browser/web_contents_view.h"
#include "content/public/browser/web_ui.h"
#include "content/public/common/bindings_policy.h"
#include "ui/aura/layout_manager.h"
#include "ui/aura/window.h"
#include "ui/keyboard/keyboard_constants.h"
namespace {
// Converts ui::TextInputType to string.
std::string TextInputTypeToString(ui::TextInputType type) {
switch (type) {
case ui::TEXT_INPUT_TYPE_NONE:
return "none";
case ui::TEXT_INPUT_TYPE_PASSWORD:
return "password";
case ui::TEXT_INPUT_TYPE_EMAIL:
return "email";
case ui::TEXT_INPUT_TYPE_NUMBER:
return "number";
case ui::TEXT_INPUT_TYPE_TELEPHONE:
return "tel";
case ui::TEXT_INPUT_TYPE_URL:
return "url";
case ui::TEXT_INPUT_TYPE_DATE:
return "date";
case ui::TEXT_INPUT_TYPE_TEXT:
case ui::TEXT_INPUT_TYPE_SEARCH:
case ui::TEXT_INPUT_TYPE_DATE_TIME:
case ui::TEXT_INPUT_TYPE_DATE_TIME_LOCAL:
case ui::TEXT_INPUT_TYPE_MONTH:
case ui::TEXT_INPUT_TYPE_TIME:
case ui::TEXT_INPUT_TYPE_WEEK:
case ui::TEXT_INPUT_TYPE_TEXT_AREA:
case ui::TEXT_INPUT_TYPE_CONTENT_EDITABLE:
case ui::TEXT_INPUT_TYPE_DATE_TIME_FIELD:
return "text";
}
NOTREACHED();
return "";
}
// The WebContentsDelegate for the keyboard.
// The delegate deletes itself when the keyboard is destroyed.
class KeyboardContentsDelegate : public content::WebContentsDelegate,
public content::WebContentsObserver {
public:
KeyboardContentsDelegate(keyboard::KeyboardControllerProxy* proxy)
: proxy_(proxy) {}
virtual ~KeyboardContentsDelegate() {}
private:
// Overridden from content::WebContentsDelegate:
virtual content::WebContents* OpenURLFromTab(
content::WebContents* source,
const content::OpenURLParams& params) OVERRIDE {
source->GetController().LoadURL(
params.url, params.referrer, params.transition, params.extra_headers);
Observe(source);
return source;
}
virtual bool IsPopupOrPanel(
const content::WebContents* source) const OVERRIDE {
return true;
}
virtual void MoveContents(content::WebContents* source,
const gfx::Rect& pos) OVERRIDE {
aura::Window* keyboard = proxy_->GetKeyboardWindow();
gfx::Rect bounds = keyboard->bounds();
int new_height = pos.height();
bounds.set_y(bounds.y() + bounds.height() - new_height);
bounds.set_height(new_height);
proxy_->set_resizing_from_contents(true);
keyboard->SetBounds(bounds);
proxy_->set_resizing_from_contents(false);
}
// Overridden from content::WebContentsDelegate:
virtual void RequestMediaAccessPermission(content::WebContents* web_contents,
const content::MediaStreamRequest& request,
const content::MediaResponseCallback& callback) OVERRIDE {
proxy_->RequestAudioInput(web_contents, request, callback);
}
// Overridden from content::WebContentsObserver:
virtual void WebContentsDestroyed(content::WebContents* contents) OVERRIDE {
delete this;
}
keyboard::KeyboardControllerProxy* proxy_;
DISALLOW_COPY_AND_ASSIGN(KeyboardContentsDelegate);
};
} // namespace
namespace keyboard {
KeyboardControllerProxy::KeyboardControllerProxy()
: default_url_(kKeyboardWebUIURL), resizing_from_contents_(false) {
}
KeyboardControllerProxy::~KeyboardControllerProxy() {
}
const GURL& KeyboardControllerProxy::GetValidUrl() {
return override_url_.is_valid() ? override_url_ : default_url_;
}
void KeyboardControllerProxy::SetOverrideContentUrl(const GURL& url) {
if (override_url_ == url)
return;
override_url_ = url;
// Restores the keyboard window size to default.
aura::Window* container = GetKeyboardWindow()->parent();
if (container) {
container->layout_manager()->OnWindowResized();
ReloadContents();
}
}
void KeyboardControllerProxy::ReloadContents() {
if (keyboard_contents_) {
content::OpenURLParams params(
GetValidUrl(),
content::Referrer(),
SINGLETON_TAB,
content::PAGE_TRANSITION_AUTO_TOPLEVEL,
false);
keyboard_contents_->OpenURL(params);
}
}
aura::Window* KeyboardControllerProxy::GetKeyboardWindow() {
if (!keyboard_contents_) {
content::BrowserContext* context = GetBrowserContext();
keyboard_contents_.reset(content::WebContents::Create(
content::WebContents::CreateParams(context,
content::SiteInstance::CreateForURL(context, GetValidUrl()))));
keyboard_contents_->SetDelegate(new KeyboardContentsDelegate(this));
SetupWebContents(keyboard_contents_.get());
ReloadContents();
}
return keyboard_contents_->GetView()->GetNativeView();
}
void KeyboardControllerProxy::ShowKeyboardContainer(aura::Window* container) {
GetKeyboardWindow()->Show();
container->Show();
}
void KeyboardControllerProxy::HideKeyboardContainer(aura::Window* container) {
container->Hide();
GetKeyboardWindow()->Hide();
}
void KeyboardControllerProxy::SetUpdateInputType(ui::TextInputType type) {
content::WebUI* webui = keyboard_contents_ ?
keyboard_contents_->GetCommittedWebUI() : NULL;
if (webui &&
(0 != (webui->GetBindings() & content::BINDINGS_POLICY_WEB_UI))) {
// Only call OnTextInputBoxFocused function if it is a web ui keyboard,
// not an extension based keyboard.
base::DictionaryValue input_context;
input_context.SetString("type", TextInputTypeToString(type));
webui->CallJavascriptFunction("OnTextInputBoxFocused", input_context);
}
}
void KeyboardControllerProxy::EnsureCaretInWorkArea() {
}
void KeyboardControllerProxy::SetupWebContents(content::WebContents* contents) {
}
} // namespace keyboard
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