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// Copyright (c) 2011 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/app_modal_dialogs/js_modal_dialog.h"
#include "chrome/browser/browser_shutdown.h"
#include "chrome/browser/ui/app_modal_dialogs/native_app_modal_dialog.h"
#include "ui/base/text/text_elider.h"
namespace {
// Control maximum sizes of various texts passed to us from javascript.
#if defined(OS_POSIX) && !defined(OS_MACOSX)
// Two-dimensional eliding. Reformat the text of the message dialog
// inserting line breaks because otherwise a single long line can overflow
// the message dialog (and crash/hang the GTK, depending on the version).
const int kMessageTextMaxRows = 32;
const int kMessageTextMaxCols = 132;
const int kDefaultPromptMaxRows = 24;
const int kDefaultPromptMaxCols = 132;
void EnforceMaxTextSize(const string16& in_string, string16* out_string) {
ui::ElideRectangleString(in_string, kMessageTextMaxRows,
kMessageTextMaxCols, false, out_string);
}
void EnforceMaxPromptSize(const string16& in_string, string16* out_string) {
ui::ElideRectangleString(in_string, kDefaultPromptMaxRows,
kDefaultPromptMaxCols, false, out_string);
}
#else
// One-dimensional eliding. Trust the window system to break the string
// appropriately, but limit its overall length to something reasonable.
const int kMessageTextMaxSize = 3000;
const int kDefaultPromptMaxSize = 2000;
void EnforceMaxTextSize(const string16& in_string, string16* out_string) {
ui::ElideString(in_string, kMessageTextMaxSize, out_string);
}
void EnforceMaxPromptSize(const string16& in_string, string16* out_string) {
ui::ElideString(in_string, kDefaultPromptMaxSize, out_string);
}
#endif
} // namespace
ChromeJavaScriptDialogExtraData::ChromeJavaScriptDialogExtraData()
: suppress_javascript_messages_(false) {
}
JavaScriptAppModalDialog::JavaScriptAppModalDialog(
content::JavaScriptDialogDelegate* delegate,
ChromeJavaScriptDialogExtraData* extra_data,
const string16& title,
ui::JavascriptMessageType javascript_message_type,
const string16& message_text,
const string16& default_prompt_text,
bool display_suppress_checkbox,
bool is_before_unload_dialog,
IPC::Message* reply_msg)
: AppModalDialog(delegate, title),
extra_data_(extra_data),
javascript_message_type_(javascript_message_type),
display_suppress_checkbox_(display_suppress_checkbox),
is_before_unload_dialog_(is_before_unload_dialog),
reply_msg_(reply_msg),
use_override_prompt_text_(false) {
EnforceMaxTextSize(message_text, &message_text_);
EnforceMaxPromptSize(default_prompt_text, &default_prompt_text_);
}
JavaScriptAppModalDialog::~JavaScriptAppModalDialog() {
}
NativeAppModalDialog* JavaScriptAppModalDialog::CreateNativeDialog() {
gfx::NativeWindow parent_window = delegate_->GetDialogRootWindow();
return NativeAppModalDialog::CreateNativeJavaScriptPrompt(this,
parent_window);
}
bool JavaScriptAppModalDialog::IsJavaScriptModalDialog() {
return true;
}
void JavaScriptAppModalDialog::Invalidate() {
if (!valid_)
return;
valid_ = false;
delegate_ = NULL;
if (native_dialog_)
CloseModalDialog();
}
content::JavaScriptDialogDelegate* JavaScriptAppModalDialog::delegate() const {
return static_cast<content::JavaScriptDialogDelegate*>(delegate_);
}
void JavaScriptAppModalDialog::OnCancel(bool suppress_js_messages) {
// If we are shutting down and this is an onbeforeunload dialog, cancel the
// shutdown.
if (is_before_unload_dialog_)
browser_shutdown::SetTryingToQuit(false);
// We need to do this before WM_DESTROY (WindowClosing()) as any parent frame
// will receive its activation messages before this dialog receives
// WM_DESTROY. The parent frame would then try to activate any modal dialogs
// that were still open in the ModalDialogQueue, which would send activation
// back to this one. The framework should be improved to handle this, so this
// is a temporary workaround.
CompleteDialog();
NotifyDelegate(false, string16(), suppress_js_messages);
}
void JavaScriptAppModalDialog::OnAccept(const string16& prompt_text,
bool suppress_js_messages) {
string16 prompt_text_to_use = prompt_text;
// This is only for testing.
if (use_override_prompt_text_)
prompt_text_to_use = override_prompt_text_;
CompleteDialog();
NotifyDelegate(true, prompt_text_to_use, suppress_js_messages);
}
void JavaScriptAppModalDialog::OnClose() {
NotifyDelegate(false, string16(), false);
}
void JavaScriptAppModalDialog::SetOverridePromptText(
const string16& override_prompt_text) {
override_prompt_text_ = override_prompt_text;
use_override_prompt_text_ = true;
}
void JavaScriptAppModalDialog::NotifyDelegate(bool success,
const string16& user_input,
bool suppress_js_messages) {
if (!valid_)
return;
delegate()->OnDialogClosed(reply_msg_, success, user_input);
extra_data_->last_javascript_message_dismissal_ = base::TimeTicks::Now();
extra_data_->suppress_javascript_messages_ = suppress_js_messages;
// On Views, we can end up coming through this code path twice :(.
// See crbug.com/63732.
valid_ = false;
}
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