420 lines
13 KiB
C++
420 lines
13 KiB
C++
// Copyright (c) 2012 The Chromium Embedded Framework Authors.
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// Portions copyright (c) 2011 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "libcef/browser/browser_host_impl.h"
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#include <gtk/gtk.h>
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#include "libcef/browser/thread_util.h"
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#include "base/bind.h"
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#include "base/utf_string_conversions.h"
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#include "content/public/browser/web_contents_view.h"
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#include "content/public/common/file_chooser_params.h"
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#include "content/public/common/renderer_preferences.h"
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#include "grit/cef_strings.h"
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#include "grit/ui_strings.h"
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#include "net/base/mime_util.h"
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#include "ui/base/l10n/l10n_util.h"
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namespace {
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void DestroyBrowser(CefRefPtr<CefBrowserHostImpl> browser) {
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// Force the browser to be destroyed and release the reference added in
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// PlatformCreateWindow().
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browser->WindowDestroyed();
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}
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void browser_destroy(GtkWidget* widget, CefBrowserHostImpl* browser) {
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// Destroy the browser host after window destruction is complete.
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CEF_POST_TASK(CEF_UIT, base::Bind(DestroyBrowser, browser));
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}
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void window_destroy(GtkWidget* widget, gpointer data) {
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}
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gboolean window_delete_event(GtkWidget* widget, GdkEvent* event,
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CefBrowserHostImpl* browser) {
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// Protect against multiple requests to close while the close is pending.
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if (browser && browser->destruction_state() <=
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CefBrowserHostImpl::DESTRUCTION_STATE_PENDING) {
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if (browser->destruction_state() ==
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CefBrowserHostImpl::DESTRUCTION_STATE_NONE) {
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// Request that the browser close.
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browser->CloseBrowser(false);
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}
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// Cancel the close.
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return TRUE;
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}
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// Allow the close.
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return FALSE;
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}
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std::string GetDescriptionFromMimeType(const std::string& mime_type) {
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// Check for wild card mime types and return an appropriate description.
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static const struct {
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const char* mime_type;
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int string_id;
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} kWildCardMimeTypes[] = {
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{ "audio", IDS_APP_AUDIO_FILES },
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{ "image", IDS_APP_IMAGE_FILES },
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{ "text", IDS_APP_TEXT_FILES },
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{ "video", IDS_APP_VIDEO_FILES },
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};
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for (size_t i = 0;
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i < sizeof(kWildCardMimeTypes) / sizeof(kWildCardMimeTypes[0]); ++i) {
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if (mime_type == std::string(kWildCardMimeTypes[i].mime_type) + "/*")
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return l10n_util::GetStringUTF8(kWildCardMimeTypes[i].string_id);
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}
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return std::string();
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}
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void AddFiltersForAcceptTypes(GtkFileChooser* chooser,
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const std::vector<string16>& accept_types,
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bool include_all_files) {
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bool has_filter = false;
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for (size_t i = 0; i < accept_types.size(); ++i) {
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std::string ascii_type = UTF16ToASCII(accept_types[i]);
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if (ascii_type.length()) {
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// Just treat as extension if contains '.' as the first character.
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if (ascii_type[0] == '.') {
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GtkFileFilter* filter = gtk_file_filter_new();
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std::string pattern = "*" + ascii_type;
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gtk_file_filter_add_pattern(filter, pattern.c_str());
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gtk_file_filter_set_name(filter, pattern.c_str());
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gtk_file_chooser_add_filter(chooser, filter);
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if (!has_filter)
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has_filter = true;
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} else {
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// Otherwise convert mime type to one or more extensions.
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GtkFileFilter* filter = NULL;
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std::string description = GetDescriptionFromMimeType(ascii_type);
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bool description_from_ext = description.empty();
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std::vector<base::FilePath::StringType> ext;
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net::GetExtensionsForMimeType(ascii_type, &ext);
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for (size_t x = 0; x < ext.size(); ++x) {
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if (!filter)
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filter = gtk_file_filter_new();
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std::string pattern = "*." + ext[x];
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gtk_file_filter_add_pattern(filter, pattern.c_str());
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if (description_from_ext) {
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if (x != 0)
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description += ";";
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description += pattern;
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}
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}
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if (filter) {
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gtk_file_filter_set_name(filter, description.c_str());
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gtk_file_chooser_add_filter(chooser, filter);
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if (!has_filter)
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has_filter = true;
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}
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}
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}
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}
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// Add the *.* filter, but only if we have added other filters (otherwise it
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// is implied).
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if (include_all_files && has_filter) {
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GtkFileFilter* filter = gtk_file_filter_new();
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gtk_file_filter_add_pattern(filter, "*");
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gtk_file_filter_set_name(filter,
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l10n_util::GetStringUTF8(IDS_SAVEAS_ALL_FILES).c_str());
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gtk_file_chooser_add_filter(chooser, filter);
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}
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}
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bool RunFileDialog(const content::FileChooserParams& params,
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CefWindowHandle widget,
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std::vector<base::FilePath>* files) {
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GtkFileChooserAction action;
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const gchar* accept_button;
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if (params.mode == content::FileChooserParams::Open ||
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params.mode == content::FileChooserParams::OpenMultiple) {
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action = GTK_FILE_CHOOSER_ACTION_OPEN;
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accept_button = GTK_STOCK_OPEN;
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} else if (params.mode == content::FileChooserParams::Save) {
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action = GTK_FILE_CHOOSER_ACTION_SAVE;
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accept_button = GTK_STOCK_SAVE;
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} else {
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NOTREACHED();
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return false;
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}
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// Consider default file name if any.
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base::FilePath default_file_name(params.default_file_name);
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std::string base_name;
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if (!default_file_name.empty())
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base_name = default_file_name.BaseName().value();
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std::string title;
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if (!params.title.empty()) {
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title = UTF16ToUTF8(params.title);
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} else {
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int string_id = 0;
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switch (params.mode) {
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case content::FileChooserParams::Open:
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string_id = IDS_OPEN_FILE_DIALOG_TITLE;
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break;
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case content::FileChooserParams::OpenMultiple:
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string_id = IDS_OPEN_FILES_DIALOG_TITLE;
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break;
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case content::FileChooserParams::Save:
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string_id = IDS_SAVE_AS_DIALOG_TITLE;
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break;
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default:
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break;
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}
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title = l10n_util::GetStringUTF8(string_id);
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}
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GtkWidget* window = gtk_widget_get_toplevel(GTK_WIDGET(widget));
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GtkWidget* dialog = gtk_file_chooser_dialog_new(
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title.c_str(),
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GTK_WINDOW(window),
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action,
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GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
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accept_button, GTK_RESPONSE_ACCEPT,
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NULL);
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if (params.mode == content::FileChooserParams::OpenMultiple) {
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gtk_file_chooser_set_select_multiple(GTK_FILE_CHOOSER(dialog), TRUE);
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} else if (params.mode == content::FileChooserParams::Save) {
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gtk_file_chooser_set_do_overwrite_confirmation(GTK_FILE_CHOOSER(dialog),
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TRUE);
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}
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if (params.mode == content::FileChooserParams::Save && !base_name.empty()) {
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gtk_file_chooser_set_current_name(GTK_FILE_CHOOSER(dialog),
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base_name.c_str());
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}
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AddFiltersForAcceptTypes(GTK_FILE_CHOOSER(dialog), params.accept_types, true);
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bool success = false;
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if (gtk_dialog_run(GTK_DIALOG(dialog)) == GTK_RESPONSE_ACCEPT) {
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if (params.mode == content::FileChooserParams::Open ||
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params.mode == content::FileChooserParams::Save) {
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char* filename = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(dialog));
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files->push_back(base::FilePath(filename));
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success = true;
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} else if (params.mode == content::FileChooserParams::OpenMultiple) {
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GSList* filenames =
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gtk_file_chooser_get_filenames(GTK_FILE_CHOOSER(dialog));
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if (filenames) {
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for (GSList* iter = filenames; iter != NULL;
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iter = g_slist_next(iter)) {
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base::FilePath path(static_cast<char*>(iter->data));
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g_free(iter->data);
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files->push_back(path);
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}
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g_slist_free(filenames);
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success = true;
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}
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}
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}
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gtk_widget_destroy(dialog);
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return success;
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}
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} // namespace
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bool CefBrowserHostImpl::PlatformCreateWindow() {
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GtkWidget* window;
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GtkWidget* parentView = window_info_.parent_widget;
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if (parentView == NULL) {
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// Create a new window.
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window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
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gtk_window_set_default_size(GTK_WINDOW(window), 800, 600);
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parentView = gtk_vbox_new(FALSE, 0);
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gtk_container_add(GTK_CONTAINER(window), parentView);
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gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
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gtk_widget_show_all(GTK_WIDGET(window));
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g_signal_connect(G_OBJECT(window), "destroy",
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G_CALLBACK(window_destroy), NULL);
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g_signal_connect(G_OBJECT(window), "delete_event",
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G_CALLBACK(window_delete_event), this);
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window_info_.parent_widget = parentView;
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}
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// Add a reference that will be released in the destroy handler.
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AddRef();
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// Parent the TabContents to the browser window.
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window_info_.widget = web_contents_->GetView()->GetNativeView();
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gtk_container_add(GTK_CONTAINER(window_info_.parent_widget),
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window_info_.widget);
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g_signal_connect(G_OBJECT(window_info_.widget), "destroy",
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G_CALLBACK(browser_destroy), this);
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// As an additional requirement on Linux, we must set the colors for the
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// render widgets in webkit.
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content::RendererPreferences* prefs =
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web_contents_->GetMutableRendererPrefs();
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prefs->focus_ring_color = SkColorSetARGB(255, 229, 151, 0);
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prefs->thumb_active_color = SkColorSetRGB(244, 244, 244);
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prefs->thumb_inactive_color = SkColorSetRGB(234, 234, 234);
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prefs->track_color = SkColorSetRGB(211, 211, 211);
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prefs->active_selection_bg_color = SkColorSetRGB(30, 144, 255);
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prefs->active_selection_fg_color = SK_ColorWHITE;
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prefs->inactive_selection_bg_color = SkColorSetRGB(200, 200, 200);
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prefs->inactive_selection_fg_color = SkColorSetRGB(50, 50, 50);
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return true;
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}
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void CefBrowserHostImpl::PlatformCloseWindow() {
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if (window_info_.widget != NULL) {
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GtkWidget* window =
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gtk_widget_get_toplevel(GTK_WIDGET(window_info_.widget));
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// Send the "delete_event" signal.
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GdkEvent event;
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memset(&event, 0, sizeof(GdkEvent));
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event.any.type = GDK_DELETE;
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event.any.send_event = TRUE;
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event.any.window = window->window;
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gtk_main_do_event(&event);
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}
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}
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void CefBrowserHostImpl::PlatformSizeTo(int width, int height) {
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if (window_info_.widget != NULL) {
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GtkWidget* window =
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gtk_widget_get_toplevel(GTK_WIDGET(window_info_.widget));
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gtk_widget_set_size_request(window, width, height);
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}
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}
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CefWindowHandle CefBrowserHostImpl::PlatformGetWindowHandle() {
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return window_info_.widget;
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}
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bool CefBrowserHostImpl::PlatformViewText(const std::string& text) {
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CEF_REQUIRE_UIT();
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char buff[] = "/tmp/CEFSourceXXXXXX";
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int fd = mkstemp(buff);
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if (fd == -1)
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return false;
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FILE* srcOutput = fdopen(fd, "w+");
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if (!srcOutput)
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return false;
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if (fputs(text.c_str(), srcOutput) < 0) {
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fclose(srcOutput);
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return false;
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}
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fclose(srcOutput);
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std::string newName(buff);
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newName.append(".txt");
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if (rename(buff, newName.c_str()) != 0)
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return false;
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std::string openCommand("xdg-open ");
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openCommand += newName;
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if (system(openCommand.c_str()) != 0)
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return false;
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return true;
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}
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void CefBrowserHostImpl::PlatformHandleKeyboardEvent(
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const content::NativeWebKeyboardEvent& event) {
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// TODO(cef): Is something required here to handle shortcut keys?
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}
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void CefBrowserHostImpl::PlatformRunFileChooser(
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const content::FileChooserParams& params,
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RunFileChooserCallback callback) {
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std::vector<base::FilePath> files;
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if (params.mode == content::FileChooserParams::Open ||
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params.mode == content::FileChooserParams::OpenMultiple ||
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params.mode == content::FileChooserParams::Save) {
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::RunFileDialog(params, PlatformGetWindowHandle(), &files);
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} else {
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NOTIMPLEMENTED();
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}
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callback.Run(files);
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}
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void CefBrowserHostImpl::PlatformHandleExternalProtocol(const GURL& url) {
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}
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// static
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bool CefBrowserHostImpl::IsWindowRenderingDisabled(const CefWindowInfo& info) {
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// TODO(port): Implement this method as part of off-screen rendering support.
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return false;
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}
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bool CefBrowserHostImpl::IsTransparent() {
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return false;
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}
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void CefBrowserHostImpl::PlatformTranslateKeyEvent(
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content::NativeWebKeyboardEvent& native_event,
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const CefKeyEvent& event) {
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// TODO(port): Implement this method as part of off-screen rendering support.
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NOTIMPLEMENTED();
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}
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void CefBrowserHostImpl::PlatformTranslateClickEvent(
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WebKit::WebMouseEvent& ev,
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const CefMouseEvent& mouse_event,
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MouseButtonType type,
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bool mouseUp, int clickCount) {
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// TODO(port): Implement this method as part of off-screen rendering support.
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NOTIMPLEMENTED();
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}
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void CefBrowserHostImpl::PlatformTranslateMoveEvent(
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WebKit::WebMouseEvent& ev,
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const CefMouseEvent& mouse_event,
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bool mouseLeave) {
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// TODO(port): Implement this method as part of off-screen rendering support.
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NOTIMPLEMENTED();
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}
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void CefBrowserHostImpl::PlatformTranslateWheelEvent(
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WebKit::WebMouseWheelEvent& ev,
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const CefMouseEvent& mouse_event,
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int deltaX, int deltaY) {
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// TODO(port): Implement this method as part of off-screen rendering support.
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NOTIMPLEMENTED();
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}
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void CefBrowserHostImpl::PlatformTranslateMouseEvent(
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WebKit::WebMouseEvent& ev,
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const CefMouseEvent& mouse_event) {
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// TODO(port): Implement this method as part of off-screen rendering support.
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NOTIMPLEMENTED();
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}
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